CN110161082A - Suitable for the rubber-lining equipment monitoring sensor and rubber-lining equipment monitoring device and monitoring method under soda acid operating condition - Google Patents
Suitable for the rubber-lining equipment monitoring sensor and rubber-lining equipment monitoring device and monitoring method under soda acid operating condition Download PDFInfo
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- CN110161082A CN110161082A CN201910496281.7A CN201910496281A CN110161082A CN 110161082 A CN110161082 A CN 110161082A CN 201910496281 A CN201910496281 A CN 201910496281A CN 110161082 A CN110161082 A CN 110161082A
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- electrode shell
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 98
- 239000002253 acid Substances 0.000 title claims abstract description 39
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 title claims abstract description 35
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 229910000856 hastalloy Inorganic materials 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 10
- 239000000565 sealant Substances 0.000 claims description 7
- 238000010292 electrical insulation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 8
- 238000002791 soaking Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 229920001971 elastomer Polymers 0.000 description 33
- 230000032683 aging Effects 0.000 description 11
- 230000007547 defect Effects 0.000 description 6
- 238000007689 inspection Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 125000006850 spacer group Chemical group 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 208000020442 loss of weight Diseases 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
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- 238000005498 polishing Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/041—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/20—Investigating the presence of flaws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/44—Resins; rubber; leather
- G01N33/445—Rubber
Abstract
The invention discloses the rubber-lining equipment monitoring sensors and rubber-lining equipment monitoring device and monitoring method under a kind of operating condition suitable for soda acid, the rubber-lining equipment monitoring sensor being wherein suitable under soda acid operating condition includes electrode shell, through setting in the intracorporal electrode stem of the electrode shell, the Wiring terminal assembly of described electrode shell one end is set and the test lead end cap of the electrode shell other end is set, the electrode shell offers seal groove close to the side of the test lead end cap, seal boss is provided in the seal groove, the material of the electrode stem is Hastelloy.The rubber-lining equipment being suitable under soda acid operating condition of the invention monitors sensor, and reasonable in design, favorable sealing property will not cause medium to reveal because monitoring the introducing of sensor；The liquid position that connects of monitoring sensor has the stability of acid and alkali-resistance long period of soaking using Hastelloy, while electrode surface is stablized, the attachments such as reactionless product, bubble, and monitoring result is more accurate.
Description
Technical field
The invention belongs to device intelligence monitoring technical fields, and in particular to rubber-lining equipment under a kind of operating condition suitable for soda acid
Monitor sensor and rubber-lining equipment monitoring device including the monitoring sensor and using the rubber-lining equipment monitoring device
Monitoring method.
Background technique
The field of industrial production such as electric power, chemical industry, water process in China, part of appliance (such as storage tank, pipe under soda acid work condition environment
Road etc.) it is more use carbon steel metal substrate add rubber lined corrosion protection design.Since soda acid has extremely strong aggressivity, line with rubber
Once failure, carbon steel base material will occur in a short time corrosion failure and medium caused to be revealed, band while causing equipment to stop transport
Carry out biggish personal safety risk, safety in production is brought and is seriously affected.Therefore, under soda acid working condition part of appliance military service
Service life is heavily dependent on the service life of line with rubber.
Rubber-lining equipment failure regularity meets " tub curve ".On the one hand, improper by offset plate type selecting, offset plate poor quality, line with rubber
The factors such as constructional deficiency, in-site installation destruction influence, and rubber-lining equipment is easy to break out a large amount of defects at military service initial stage, such as line with rubber drum
It steeps, crack, fall off；On the other hand, line with rubber faces ageing failure problem during military service, and industry generally believes soda acid operating condition
The service life of lower line with rubber is 10 ~ 20 years, and with the extension of equipment active time, the ageing failure problem of line with rubber will increasingly dash forward
Out.
The prevention for rubber-lining equipment failure and management means are to implement to check to line with rubber using equipment disintegration window at present
Examine, conventional detection methods have visually, endoscope, hardness, thickness, electric spark, percussion etc., increase when necessary adhesive strength,
The destructiveness inspection by sampling such as tensile strength, elongation rate of tensile failure, ingredient.Routine inspection means emphasis is identification line with rubber current defect feelings
Condition, such as line with rubber cracking/breakage/bubbling/removing, thickness decline/rising, hardness raising/decline etc., are then repaired and are disappeared
It lacks；The emphasis of destructive inspection by sampling (in conjunction with routine inspection result) is assessment line with rubber entirety ageing state, and prediction line with rubber is remaining
Service life provides decision input for Managed Solution long-term in rubber-lining equipment formulation, for example line with rubber integrally renovates, parts replacement etc..
On the one hand existing line with rubber strip inspection inspection technology means are that implementation condition is limited, be only capable of in equipment disintegration window
Lower execution, window are generally spaced longer (such as 3 ~ 5 years), and line with rubber defect is difficult to be found at the first time, and is once passed through
Wearing property line with rubber defect (such as cracking, breakage etc.), metallic matrix will perforate in a short time；On the other hand, by offset plate original
The danger factors such as prothyl amount (being locally mingled with, bubble), line with rubber construction (local overlapping the slot short of width, bonding are insufficient) influence, if
The standby specific failure site of line with rubber and failure opportunity often have certain randomness and sudden, however line with rubber ageing state is commented
Estimate with predicting residual useful life have in mind be whole ageing state assessment, can not dynamically grasp the real-time status of equipment line with rubber, nothing
Method solves the anticipation that local random defect occurs.
Summary of the invention
In view of this, in order to overcome the drawbacks of the prior art, the object of the present invention is to provide a kind of good seal performance, can
The rubber-lining equipment monitoring sensor being used for a long time under soda acid operating condition.
In order to achieve the above object, the following technical solution is employed by the present invention:
A kind of rubber-lining equipment under the operating condition suitable for soda acid monitors sensor, including electrode shell, through being arranged in the electrode
The intracorporal electrode stem of shell, the Wiring terminal assembly that described electrode shell one end is arranged in and setting are in the electrode shell other end
Test lead end cap, the electrode shell offers seal groove close to the side of the test lead end cap, sets in the seal groove
It is equipped with seal boss, the material of the electrode stem is Hastelloy；The material of electrode shell and test lead end cap is poly- for high density
Ethylene or ultra-high molecular weight polyethylene.Boss is designed and is process for integral type with electrode stem, i.e. boss and electrode stem
Material is identical, and electrode stem needs to do surface polishing treatment, to avoid measuring accuracy is influenced.
Existing line with rubber monitoring technology is only applicable to general mixture condition, general because of the particularity of soda acid working condition
Monitoring probe material cannot achieve for a long time impregnate and it is unaffected, therefore at present there has been no be suitable for soda acid operating condition under line with rubber set
Standby long term monitoring device and its application.Electrode stem material in the present invention is Hastelloy, and test proves average annual consumption loss of weight
< 3% can be used for a long time under acid-base condition.
Preferably, sealant is provided between the seal boss and the test lead end cap, the seal boss is separate
The first gasket seal is provided between the side and the electrode shell of the test lead end cap.Sealant select epoxy resin or
Person is with epoxy resin glue as main component.
Preferably, the section of the test lead end cap is in " convex " type, including first step portion and second step portion, and described the
Two stage portions are contained in the seal groove.
Preferably, the Wiring terminal assembly includes wiring end housing and terminals end cap, the terminal block housings with it is described
It is formed between terminals end cap for accommodating the space at the top of the electrode stem, the effect in space is that one side is accommodate electrod bar
Top, be on the other hand be not corroded for the terminals of guard electrode bar with it is dirty, avoid the influence to test result.It connects
It is provided with third gasket seal between line end shell and terminals end cap, air and other pollutants can be completely cut off.In some implementations
It between wiring end housing and terminals end cap and can be to be threadedly coupled between test lead end cap and electrode shell in example.
It is further preferred that the monitoring sensor further includes for the electrode stem to be fixed at the top of the electrode shell
Locking nut, the locking nut is located in the space.
It is further preferred that the top of the electrode shell is provided with external screw thread, offered in the terminal block housings and institute
The connecting hole to match at the top of electrode shell is stated, is provided with the internal screw thread to match with the external screw thread, institute in the connecting hole
It states terminal block housings to connect by the external screw thread and internal screw thread with the electrode shell, between terminal block housings and electrode shell
It is additionally provided with the second gasket seal.
It is further preferred that the electrode shell includes horizontal part and vertical portion, the electrode stem is applied in described vertical
In portion, the top of the vertical portion is arranged in the external screw thread.
The present invention also provides a kind of rubber-lining equipment monitoring devices, including monitor sensor as described above, are used for institute
State the fastening assembly for monitoring sensor and being fixed in the equipment to be monitored, by the first monitoring line and monitoring sensor electricity
Property connection conductivity measurement, electric connection point, the electric connection point and the electricity are provided in the equipment to be monitored
Conductance tester is electrically connected by the second monitoring line, and the setting position of the monitoring sensor is not higher than the equipment to be monitored
Minimum liquid level.The position of electric connection point is unrestricted, on monitoring result without influence, but is typically chosen and is close to monitoring sensor
Preferably, to reduce wire length.Electric connection point is stud, and equipment to be monitored is shot in stud tapping, and general electric connection point is chosen
Flange outer rim side will not treat monitoring device and generate any influence.
Preferably, the fastening assembly includes the blind plate and fastener to match with the flange of the equipment to be monitored, electricity
The horizontal position of pole housing is between the flange and blind plate, between electrode shell and flange and between electrode shell and blind plate
It is provided with seal washer.
It in some embodiments, can selected equipment be existing as far as possible opens on the basis of equipment existing structure to be monitored
Mouthful, do not increase equipment extra openings, (straight tube or bend pipe are changed to threeway) is transformed by partial structurtes, leads between threeway and blind plate
It crosses bolt and gasket is monitored the installation and sealing of sensor.In further embodiments, threeway blank off can not be passed through
Mounting means, or bolted mode is changed to weld, equally can be realized the installation of monitoring sensor.It can be
In equipment to be monitored aperture realize monitoring sensor installation, it is done so that disadvantage be to destroy the integrality of equipment,
Increase improvement cost and difficulty.
The present invention also provides a kind of monitoring methods based on rubber-lining equipment monitoring device as described above, including walk as follows
It is rapid:
1) monitoring point and electric connection point are selected, the horizontal position of monitoring point is not higher than the minimum liquid level of equipment to be monitored；
2) electrical insulation treatment will be done between the equipment to be monitored and other connection equipment, realizes the independent prison of equipment to be monitored
It surveys；
Specifically, needing that electrical insulation treatment will be done between equipment to be monitored and other connection equipment, equipment to be monitored is realized
Independent monitoring avoids being influenced by connection equipment.Specifically, using non-metallic materials such as polytetrafluoroethylene (PTFE), phenolic resin, design
Insulating sleeve and insulation spacer are customized, and insulating sleeve and insulation spacer are mounted on to the flange boudary portion of equipment to be monitored,
It treats monitoring device and connection equipment implements electrical insulation treatment, carrying out Insulation test ensures that insulation is qualified.
3) the installation monitoring sensor on the monitoring point, and carry out bulge test to verify sealing effect, conductivity is surveyed
Examination instrument is electrically connected with monitoring sensor with the first monitoring line, and conductivity measurement is electrically connected with electric connection point with the second monitoring line
It connects, implements monitoring after connecting；
4) monitoring data of taken at regular intervals are analyzed, to realize the trend of the instant judgement and ageing state of line with rubber integrality
Analysis and anticipation.
Compared with prior art, the invention has the beneficial effects that: the of the invention line with rubber being suitable under soda acid operating condition is set
Standby monitoring sensor, it is reasonable in design, the favorable sealing property of sensor is monitored, it will not be due to monitoring the introducing of sensor
Medium is caused to reveal；Monitoring sensor connects liquid position especially electrode stem using Hastelloy, has acid and alkali-resistance long period of soaking
Stability, while electrode surface is stablized, and the attachments such as reactionless product, bubble, monitoring result is more accurate.Lining of the invention
Gluing equipment monitoring device is realized in the case where disassembled equipment does not influence production, grasps the old of soda acid operating condition equipment line with rubber in real time
Change and integrity state, take intervening measure if finding abnormal state, thus the operational reliability of effectively lifting means.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the section of the rubber-lining equipment monitoring sensor being suitable under soda acid operating condition in the preferred embodiment of the present invention
Figure；
Fig. 2 is the installation signal of the rubber-lining equipment monitoring sensor being suitable under soda acid operating condition in the preferred embodiment of the present invention
Figure；
Fig. 3 is that the rubber-lining equipment in the preferred embodiment of the present invention monitors on-Line Monitor Device schematic diagram；
Wherein: 1- electrode stem, 2- test lead end cap, 201- first step portion, 202- second step portion, the first gasket seal of 3-,
4- electrode shell, 401- horizontal part, the vertical portion 402-, the second gasket seal of 5-, 6- wiring end housing, 7- third gasket seal,
8- terminals end cap, 9- sealant, 10- locking nut, 11- monitor sensor, the monitoring point 12-, 13- threeway, 14- downstream tube
Road, 15- storage tank emergency valve seat, 16- soda acid storage tank, 17- conductivity measurement, 18- electric connection point, 19- equipment to be monitored,
20- flange, 21- blind plate, 22- fastener, 23- seal boss, 24- first monitor line, and 25- second monitors line, the space 26-.
Specific embodiment
In order that those skilled in the art will better understand the technical solution of the present invention, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment
Only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
Embodiment 1 is suitable for the rubber-lining equipment under soda acid operating condition and monitors sensor
Referring to attached drawing 1, the rubber-lining equipment monitoring sensor 11 being suitable under soda acid operating condition of the present embodiment, including electrode shell 4,
Locking nut 10 through the electrode stem 1 being arranged in electrode shell 4, for electrode stem 1 to be fixed on to the top of electrode shell 4,
The Wiring terminal assembly of 4 one end of electrode shell is set and the test lead end cap 2 of 4 other end of electrode shell, electrode shell are set
Body 4 offers seal groove close to the side of test lead end cap 2, and seal boss 23 is provided in seal groove.Boss is with electrode stem 1
It unitary design and being process, i.e., boss is identical as the material of electrode stem 1, and electrode stem 1 needs to do surface polishing treatment, with
It avoids influencing measuring accuracy.The electrode shell 4 of the present embodiment includes horizontal part 401 and vertical portion 402, and electrode stem 1 is applied in perpendicular
In straight portion 402, horizontal part 401 is connect for convenient with equipment 19 to be monitored.
The material of electrode stem 1 is Hastelloy；Existing line with rubber on-line monitoring technique is only applicable to general mixture condition, because
The particularity of soda acid working condition, general monitoring probe material cannot achieve for a long time impregnate and it is unaffected, therefore at present
There has been no the monitoring devices and its application that are suitable for rubber-lining equipment under soda acid operating condition.1 material of electrode stem in the present embodiment is to breathe out
Family name's alloy, test prove average annual consumption loss of weight < 3%, can use for a long time under acid-base condition.Electrode shell 4 and test lead
The material of end cap 2 is that high density polyethylene (HDPE) perhaps select epoxy resin or with asphalt mixtures modified by epoxy resin by ultra-high molecular weight polyethylene sealant 9
Rouge glue as main component.
Sealant 9 is provided between seal boss 23 and test lead end cap 2, seal boss 23 is far from test lead end cap 2
The first gasket seal 3 is provided between side and electrode shell 4.The top of electrode shell 4 is provided with external screw thread, i.e. external screw thread is set
The top in the vertical portion of electrode shell 4 402 is set, is offered in terminal block housings and the connection that matches at the top of electrode shell 4
Hole, the internal screw thread to match with external screw thread is provided in connecting hole, and terminal block housings pass through external screw thread and internal screw thread and electrode shell
Body 4 connects, and the second gasket seal 5 is additionally provided between terminal block housings and electrode shell 4.Wiring terminal assembly includes wiring end housing
Body 6 and terminals end cap 8 form the space 26 for 1 top of accommodate electrod bar between terminal block housings and terminals end cap 8,
The effect in space 26 is the top for being on the one hand accommodate electrod bar, is on the other hand in order to which the terminals of guard electrode bar are not rotten
It loses and dirty, avoids the influence to test result.Third gasket seal is provided between wiring end housing 6 and terminals end cap 8
7, air and other pollutants can be completely cut off, locking nut 10 is located in the space 26.
As shown in Figure 1, the section of test lead end cap 2 is in " convex " type, including first step portion 201 and second in the present embodiment
Stage portion 202, second step portion 202 are contained in seal groove.Similar, the section of terminals end cap 8 is also in " convex " type, is also had
There are similar first step portion 201 and second step portion 202, second step portion 202 is contained in space 26.And the present embodiment
In, it is to be threadedly coupled between wiring end housing 6 and terminals end cap 8 and between test lead end cap 2 and electrode shell 4.
By being between sealant 9, seal boss 23, the first gasket seal 3 and test lead end cap 2 and electrode shell 4
It is threadedly coupled, can guarantee to monitor the good leakproofness of sensor 11, be mounted in equipment 19 to be monitored, it will not be because of monitoring
The introducing of sensor 11 and cause medium to reveal.Pass through the second gasket seal 5, third gasket seal 7 and wiring end housing 6
To be threadedly coupled between terminals end cap 8, terminals can be sealed and be protected, guarantee that terminals exempt from air and pollutant
Corrosion.
The rubber-lining equipment monitoring sensor 11 being suitable under soda acid operating condition in the present embodiment has the advantage that one,
Monitoring sensor 11 is embedded in the through-flow designed capacity that will not influence equipment 19 to be monitored in equipment 19 to be monitored；Two, monitoring sensing
11 leakproofness of device is good, will not be because of the medium leakage of equipment 19 to be monitored caused by its introduce；Three, the shell of sensor 11 is monitored
That is electrode shell；4, test lead end cap 2, wiring end housing 6, terminals end cap 8 etc. choose non-conductive material, are provided simultaneously with certain
Intensity and toughness, long service life；Four, the position that is contacted with liquid medium of monitoring sensor 11, such as electrode stem, shell, close
The material of acid and alkali-resistance long period of soaking is capable of in the selections such as sealing 9, while electrode surface answers the attachments such as reactionless product, bubble, prison
Measured data is more accurate.
2 rubber-lining equipment monitoring device of embodiment
As Figure 2-3, monitoring is realized to the line with rubber in soda acid storage tank 16 in order to realize in the present embodiment, it can be by soda acid storage tank
Bend pipe or straight tube on the storage tank emergency valve seat 15 of 16 lower sections repack threeway 13 into, in the other side of 13 middle and lower reaches pipeline 14 of threeway
Monitoring sensor 11 in embodiment 1 is installed.
As shown in figure 3, the rubber-lining equipment monitoring device of the present embodiment further includes using in addition to monitoring sensor 11 as above
In will monitor fastening assembly that sensor 11 is fixed in equipment 19 to be monitored, by the first monitoring line 24 and monitoring sensor 11
The conductivity measurement 17 of electric connection is provided with electric connection point 18, electric connection point 18 and conductance in equipment 19 to be monitored
Rate tester 17 is electrically connected by the second monitoring line 25, and the setting position of monitoring sensor 11 is not higher than equipment 19 to be monitored
Minimum liquid level.The position of electric connection point 18 is unrestricted, on monitoring result without influence, but is typically chosen close to monitoring sensor 11
It is advisable, to reduce wire length.Electric connection point 18 in the present embodiment is stud, and equipment 19 to be monitored is shot in stud tapping,
And electric connection point chooses flange outer rim side, will not treat monitoring device 19 and generate any influence.
Conductivity measurement 17 and the control centre on backstage pass through wired or wirelessly connect and existed in real time with realizing
Line monitoring.
Fastening assembly in the present embodiment includes the blind plate 21 and fastener to match with the flange 20 of equipment 19 to be monitored
22, the horizontal part 401 of electrode shell 4 is between flange 20 and blind plate 21, between electrode shell 4 and flange 20 and electrode shell
Seal washer is provided between body 4 and blind plate 21.In the present embodiment, chosen on the basis of 19 existing structure of equipment to be monitored
The existing opening of equipment, does not increase equipment extra openings, (straight tube or bend pipe are changed to threeway 13) is transformed by partial structurtes, three
The installation and sealing of sensor 11 are monitored between logical 13 and blind plate 21 by bolt and gasket.
The rubber-lining equipment monitoring device of the present embodiment is realized in the case where disassembled equipment does not influence production, is grasped in real time
The aging of soda acid operating condition equipment line with rubber and integrity state, take intervening measure if finding abnormal state, to effectively mention
Rise the operational reliability of equipment.
The monitoring method of 3 rubber-lining equipment of embodiment
As Figure 2-3, the monitoring method of rubber-lining equipment is realized using the rubber-lining equipment monitoring device in embodiment 2, it is main to wrap
Include following steps:
1) monitoring position selection
According to component shape structure to be monitored, monitoring point 12 and electric connection point 18 are selected.The horizontal position of monitoring point 12 must not
Higher than 19 component minimum liquid level of equipment to be monitored；Selected equipment should have opening as far as possible simultaneously, equipment is avoided to increase aperture newly, destroy
Appliance integrality increases improvement cost and difficulty.
2) the electrical isolation design and implementation of equipment 19 to be monitored
In specific monitoring, need that electrical insulation treatment will be done between equipment 19 to be monitored and other connection equipment, realize to
The independent monitoring of monitoring device 19 avoids being influenced by connection equipment.
Specifically, using non-metallic materials such as polytetrafluoroethylene (PTFE), phenolic resin, design customization insulating sleeve and felt pad
Piece, and insulating sleeve and insulation spacer are mounted on to 20 boudary portion of flange of equipment 19 to be monitored, treat 19 He of monitoring device
It connects equipment and implements electrical insulation treatment, carrying out Insulation test ensures the qualification that insulate.
3) installation and debugging of sensor 11 are monitored
In the selected installation of monitoring point 12 monitoring sensor 11, and carry out bulge test to verify sealing effect.Bulge test pressure
Power is not less than 1.5 times of design pressure；Carry out simulation test in conditional situation, all kinds of line with rubber are simulated by engineer and are lacked
It falls into, monitoring 11 function of sensor is debugged.Conductivity measurement 17 is electrically connected with first monitoring line 24 of monitoring sensor 11
It connects, conductivity measurement 17 is electrically connected with the second monitoring line 25 of electric connection point 18, implements monitoring.
4) analysis and early warning of monitoring data
The monitoring data of taken at regular intervals are analyzed, and combine monitoring point 12, electric connection point 18 and conductivity variations rate (tiltedly
Rate) factor, to realize the trend analysis and anticipation of the instant judgement and ageing state of soda acid tank lining rubber integrality.
Specifically, monitoring data (electric current, unit mA) and the corresponding relationship of line with rubber integrality and ageing state are as follows:
New lining: 0 ~ 1；
Old lining but do not fail: 1 ~ 3, generally more than 1.5 need to pay close attention, and are more than 2 to need to reinforce to pay close attention to；
Fail lining: 3.5 ~ 4.5, more than 3 triggering early warning, more than 3.5 it is generally acknowledged that penetrability defect occurs；
It is entirely ineffective: 4.5 ~ 5.
The data obtained in real time are carried out with above-mentioned standard corresponding, and actively taken measures on customs clearance, effective lifting means
Operational reliability.
The monitoring technology of the present embodiment can realize the Trend tracing of line with rubber ageing state and anticipation under soda acid operating condition, compare
Existing ageing state appraisal procedure, may not need destructive sampling will not bring the destruction of equipment liner, and data sample it is more,
It is more accurate to judge.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of rubber-lining equipment under operating condition suitable for soda acid monitors sensor, it is characterised in that: including electrode shell, through setting
It sets in the intracorporal electrode stem of the electrode shell, the Wiring terminal assembly of described electrode shell one end is set and is arranged in the electricity
The test lead end cap of the pole housing other end, the electrode shell offer seal groove close to the side of the test lead end cap, institute
It states and is provided with seal boss in seal groove, the material of the electrode stem is Hastelloy.
2. the rubber-lining equipment under a kind of operating condition suitable for soda acid according to claim 1 monitors sensor, it is characterised in that:
Sealant is provided between the seal boss and the test lead end cap, the seal boss is far from the test lead end cap
The first gasket seal is provided between side and the electrode shell.
3. the rubber-lining equipment under a kind of operating condition suitable for soda acid according to claim 1 monitors sensor, it is characterised in that:
The test lead end cap includes first step portion and second step portion, and the second step portion is contained in the seal groove.
4. the rubber-lining equipment under a kind of operating condition suitable for soda acid according to claim 1 monitors sensor, it is characterised in that:
The Wiring terminal assembly includes wiring end housing and terminals end cap, shape between the terminal block housings and the terminals end cap
At for accommodating the space at the top of the electrode stem.
5. the rubber-lining equipment under a kind of operating condition suitable for soda acid according to claim 4 monitors sensor, it is characterised in that:
The monitoring sensor further includes the locking nut for being fixed on the electrode stem at the top of the electrode shell, the locking
Nut is located in the space.
6. the rubber-lining equipment under a kind of operating condition suitable for soda acid according to claim 4 monitors sensor, it is characterised in that:
The top of the electrode shell is provided with external screw thread, offers in the terminal block housings and matches at the top of the electrode shell
Connecting hole, the internal screw thread to match with the external screw thread is provided in the connecting hole, the terminal block housings pass through described
External screw thread and internal screw thread are connect with the electrode shell.
7. the rubber-lining equipment under a kind of operating condition suitable for soda acid according to claim 6 monitors sensor, it is characterised in that:
The electrode shell includes horizontal part and vertical portion, and the electrode stem is applied in the vertical portion, and the external screw thread setting exists
The top of the vertical portion.
8. a kind of rubber-lining equipment monitoring device, it is characterised in that: including the monitoring sensing as described in claim 1-7 any one
Device, the fastening assembly for the monitoring sensor to be fixed in equipment to be monitored monitor line and the monitoring by first
The conductivity measurement that sensor is electrically connected is provided with electric connection point, the electric connection point in the equipment to be monitored
Be electrically connected with the conductivity measurement by the second monitoring line, the horizontal position of the monitoring sensor not higher than it is described to
The minimum liquid level of monitoring device.
9. a kind of rubber-lining equipment monitoring device according to claim 8, it is characterised in that: the fastening assembly includes and institute
State blind plate and fastener that the flange of equipment to be monitored matches, the horizontal position of electrode shell in the flange and blind plate it
Between.
10. the monitoring method of rubber-lining equipment monitoring device according to claim 8, characterized by the following steps:
1) monitoring point and electric connection point are selected, the horizontal position of monitoring point is not higher than the minimum liquid level of equipment to be monitored；
2) electrical insulation treatment will be done between the equipment to be monitored and the other equipment being connected in the equipment to be monitored, realized
The independent monitoring of equipment to be monitored；
3) the installation monitoring sensor on the monitoring point, and carry out bulge test to verify sealing effect, conductivity measurement
It is electrically connected with monitoring sensor with the first monitoring line, the second monitoring line electricity of the conductivity measurement and the electric connection point
Monitoring is implemented in connection after connecting.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496281.7A CN110161082A (en) | 2019-06-10 | 2019-06-10 | Suitable for the rubber-lining equipment monitoring sensor and rubber-lining equipment monitoring device and monitoring method under soda acid operating condition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496281.7A CN110161082A (en) | 2019-06-10 | 2019-06-10 | Suitable for the rubber-lining equipment monitoring sensor and rubber-lining equipment monitoring device and monitoring method under soda acid operating condition |
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Cited By (1)
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