CN106644254B - Pressure transmitter on-bne repair method and its on-bne repair system - Google Patents
Pressure transmitter on-bne repair method and its on-bne repair system Download PDFInfo
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- CN106644254B CN106644254B CN201610828152.XA CN201610828152A CN106644254B CN 106644254 B CN106644254 B CN 106644254B CN 201610828152 A CN201610828152 A CN 201610828152A CN 106644254 B CN106644254 B CN 106644254B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
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Abstract
The invention discloses a kind of pressure transmitter on-bne repair method and its on-bne repair systems, on-bne repair method the negative pressure side interface of the on-bne repair system of pressure transmitter and the suction side of pressure transmitter in pressure transducer system is connected and sealed by negative pressure taking pressure pipeline comprising steps of S1, by positive pressure pressure pipeline the positive pressure side interface of the on-bne repair system of pressure transmitter and the positive pressure side of pressure transmitter in pressure transducer system are connected and sealed；S2, it suppresses verification: being pressurizeed by the pressure device of the on-bne repair system to the positive pressure side of the pressure transmitter, while the pressure device receives and processes the electric signal of the pressure transmitter feedback, obtains corresponding electric current；S3, water-filling exhaust.The present invention realizes the zero leakage verification and water-filling exhaust of pressure transmitter, safe and easy to operate, shortens the repair time of pressure transmitter.
Description
Technical field
The present invention relates to pressure transmitter service technique field more particularly to a kind of pressure transmitter on-bne repair method and
Its on-bne repair system.
Background technique
Traditional Transmitters repair method is to remove transmitter meter pipeline in system off-line to carry out instrument check, is then existed
Instrument bath exhaust work is carried out when system is online again, on the one hand such repair method needs to remove instrument pipeline and returns dress instrument
Table pipeline will cause joints wear and loosening, on the other hand can generate a large amount of waste water, and waste water is difficult to collect, and due to part
Medium contains radioactivity, easily causes personnel to stain and stains with equipment and ambient enviroment.In addition, when system is online, due to
System often high temperature and pressure, at this time since the related water-filling exhaust work of transmitter can not carry out, if important transmitter goes out
When existing failure, set state adjustment need to be carried out to meet verification condition, this can generate electricity to power station and bring certain influence.
Summary of the invention
The technical problem to be solved in the present invention is that providing a kind of realization No leakage verification, safe and easy to operate pressure
Power transmitter on-bne repair method and the on-bne repair system for realizing the on-bne repair method.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of pressure transmitter on-bne repair side
Method, comprising the following steps:
S1, by positive pressure pressure pipeline by the positive pressure side interface and pressure transmitter of the on-bne repair system of pressure transmitter
The positive pressure side of pressure transformer is connected and sealed in system, by negative pressure taking pressure pipeline by the on-bne repair system of pressure transmitter
The negative pressure side interface and the suction side of pressure transformer in pressure transducer system of system are connected and sealed；
S2, suppress verification: by the pressure device of the on-bne repair system to the positive pressure side of the pressure transmitter into
Row pressurization, while the pressure device receives and processes the electric signal of the pressure transmitter feedback, obtains corresponding electric current；?
When the electric current is predetermined current ± 0.5% range, verification is suppressed in completion；
S3, water-filling exhaust: by the water-filling exhaust apparatus of the on-bne repair system by demineralized water from positive pressure side interface or
In suction side interface pump to the pressure transducer system, until the pressure transducer system is full of, by the pressure transmitter
Air in system flows back to the water-filling exhaust apparatus, completes the on-bne repair of pressure transmitter.
Preferably, step S1 includes:
S1.1, the positive pressure that two groups of isolation plug components are mounted on to pressure transmitter upper end in pressure transducer system respectively
In venting plug hole and negative pressure exhaust plug hole；The isolation plug component includes the plug for being equipped with central passage, for being arranged
Washer between the bottom surface in described plug one end and positive pressure ventilation plug hole or negative pressure exhaust plug hole, the central passage with
Positive pressure ventilation plug hole or negative pressure exhaust plug hole are connected；
S1.2, positive pressure pressure pipeline one end is connected on the positive pressure side interface of the on-bne repair system, the other end connects
It connects on the plug in the positive pressure side plug hole of pressure transmitter；
Negative pressure taking pressure pipeline one end is connected on the negative pressure side interface of the on-bne repair system, the other end is connected to pressure
On the plug in the suction side plug hole of power transmitter.
Preferably, step S2 includes:
S2.1, the positive pressure side of the pressure device, positive pressure side interface, positive pressure pressure pipeline and pressure transmitter is successively connected
Lead to；It is connected on the suction side of the positive pressure instrument pipeline and the pressure transmitter that are connected on the pressure transmitter positive pressure side
Negative pressure instrument pipeline isolation；
S2.2, pressure device starting, by the positive pressure side interface and positive pressure pressure pipeline to the pressure inverting
The positive pressure side of device pressurizes.
Preferably, it before step S3, releases the pressure device or completely cuts off the pressure device and water-filling exhaust apparatus；
Step S3 includes:
S3.1, by the desalination water pot of the water-filling exhaust apparatus, positive pressure side interface, positive pressure pressure pipeline, pressure transmitter
Positive pressure side, connect on pressure transmitter positive pressure side positive pressure instrument pipeline, pressure transmitter suction side on the negative pressure that connects
Instrument pipeline, the suction side of pressure transmitter, negative pressure taking pressure pipeline, negative pressure side interface and the water-filling exhaust apparatus waste liquid tank
It is sequentially communicated, forms a circuit；
The power pump startup of S3.2, the water-filling exhaust apparatus extract the demineralized water of the desalination water pot, the demineralized water
Entered in the circuit by the positive pressure side interface, until being full of the circuit, extra demineralized water passes through the negative pressure taking
Pressure pipeline and negative pressure side interface drain into the waste liquid tank；
S3.3, the positive pressure pressure pipeline and negative pressure taking pressure pipeline are removed from the pressure transmitter, respectively by institute
The positive pressure ventilation plug hole and negative pressure exhaust plug hole for stating pressure transmitter block.
Preferably, step S1 includes:
S1.1, positive pressure pressure pipeline one end is connected on the positive pressure side interface of the on-bne repair system, the other end connects
It connects on the positive pressure blowdown plug of the pressure transmitter in pressure transducer system；
S1.2, negative pressure taking pressure pipeline one end is connected on the negative pressure side interface of the on-bne repair system, the other end connects
It connects on the negative pressure blowdown plug of the pressure transmitter in pressure transducer system.
Preferably, step S2 includes:
S2.1, the positive pressure side of the pressure device, positive pressure side interface, positive pressure pressure pipeline and pressure transmitter is successively connected
Lead to；It is connected on the suction side of the positive pressure instrument pipeline and the pressure transmitter that are connected on the pressure transmitter positive pressure side
Negative pressure instrument pipeline isolation；
S2.2, pressure device starting, by the positive pressure side interface and positive pressure pressure pipeline to the pressure inverting
The positive pressure side of device pressurizes.
Preferably, it before step S3, releases the pressure device or completely cuts off the pressure device and water-filling exhaust apparatus；
Step S3 includes:
S3.1, by the desalination water pot of the water-filling exhaust apparatus, positive pressure side interface, positive pressure pressure pipeline, pressure transmitter
Positive pressure blowdown plug, connect on pressure transmitter positive pressure side positive pressure instrument pipeline, pressure transmitter suction side on connect
Negative pressure instrument pipeline, the negative pressure blowdown plug of pressure transmitter, negative pressure taking pressure pipeline, negative pressure side interface and water-filling exhaust
The waste liquid tank of device is sequentially communicated, and forms a circuit；
The power pump startup of S3.2, the water-filling exhaust apparatus extract the demineralized water of the desalination water pot, the demineralized water
Enter the circuit by the positive pressure side interface, until being full of the circuit；
S3.3, the positive pressure ventilation plug and negative pressure exhaust plug for unscrewing pressure transmitter, demineralized water in the circuit because
Negative pressure is filled to the positive pressure side and suction side of pressure transmitter, until the positive pressure ventilation plug and negative pressure exhaust plug Mao Shuiwu
Bubble tightens the positive pressure ventilation plug and negative pressure exhaust plug；
Described give up is drained by the negative pressure taking pressure pipeline and negative pressure side interface by the extra demineralized water in the circuit
In flow container；
S3.4, the positive pressure pressure pipeline and negative pressure taking pressure pipeline blocked up from the positive pressure blowdown of the pressure transmitter respectively
It is removed on head and negative pressure blowdown plug.
Preferably, further comprising the steps of before step S2 in the on-bne repair method:
Inflatable drainage: the positive pressure side of pressure transmitter, pressure in the positive pressure pressure pipeline, pressure transducer system are become
Negative pressure instrument pipeline, the pressure inverting for sending the positive pressure instrument pipeline connected on device positive pressure side, connecting on pressure transmitter suction side
The suction side and negative pressure taking pressure pipeline of device are sequentially communicated, and form a circuit；By the water-filling exhaust apparatus by air
It is pumped into the circuit, the ponding in the pressure transducer system is drained by the water-filling exhaust apparatus by the air being pumped into.
Preferably, in step S2, when the electric current that the pressure device obtains exceeds predetermined current ± 0.5% range, adjustment
Continue to pressurize after the zero point of pressure transmitter and range in the pressure transducer system, until the electricity that the pressure device obtains
Stream is in ± 0.5% range of predetermined current.
Preferably, in step S2, further includes: by the pressure device of the on-bne repair system to the pressure transmitter
The suction side of pressure transmitter pressurizes in system, while the pressure device receives and processes the pressure transmitter feedback
Electric signal, obtain corresponding electric current.
The present invention also provides a kind of on-bne repair system of pressure transmitter, including positive pressure side interface and negative pressure side interface,
It is positive pressure pressure pipeline for being connected between the positive pressure side interface and the positive pressure side of pressure transmitter, described for being connected to
Negative pressure taking pressure pipeline between negative pressure side interface and the suction side of pressure transmitter, for carrying out suppressing verification to pressure transmitter
Pressure device, water-filling exhaust apparatus；
The water-filling exhaust apparatus include for filling the desalination water pot of demineralized water, waste liquid tank, by the positive pressure side interface and
The pipeline that negative pressure side interface is connected to the desalination water pot and waste liquid tank and the kinetic pump being arranged on the pipeline；It is described
The verification interface for connecting the pressure device is additionally provided on pipeline.
Preferably, the positive pressure side interface, negative pressure side interface, pressure device and water-filling exhaust apparatus are integrated in a rack
On.
Preferably, the on-bne repair system further includes and the positive pressure pressure pipeline and the cooperation of negative pressure taking pressure pipeline, use
Isolation plug component on the positive pressure ventilation plug hole or negative pressure exhaust plug hole for being mounted on pressure transformer.
Preferably, the isolation plug component includes the plug for being equipped with central passage, for being arranged in described plug one end
Washer.
Beneficial effects of the present invention: pressure change is completed in the case where the instrument pipeline being not required on disassembly pressure transmitter online
That send device suppresses verification, and the unfailing performance of instrument pipeline is effectively ensured, and reduces the failure rate of pressure transmitter, avoids unit tune
Whole state meets the occurrence of pressure transmitter maintenance, improves the power generation performance of unit, prevents putting in pressure transmitter
Penetrating property medium is revealed to ambient enviroment, and the personnel that eliminate are stain, equipment is stain, the risk of environmental contamination, reduces nuke rubbish
It generates, it is safe and easy to operate, shorten the repair time of pressure transmitter.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the structural schematic diagram of the on-bne repair system of the pressure transmitter of one embodiment of the invention；
Fig. 2 is that structural schematic diagram of the plug component on plug hole is isolated in Fig. 1；
Fig. 3 is the structural schematic diagram of water-filling exhaust apparatus in Fig. 1；
Fig. 4 is the structural schematic diagram of the on-bne repair system of the pressure transmitter of another embodiment of the present invention.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
Pressure transmitter on-bne repair method of the invention, in the instrument pipeline for not dismantling pressure transmitter
On-line testing is carried out to pressure transmitter, achievees the purpose that No leakage verifies.
As shown in Fig. 1,4, which be can comprise the following steps that
S1, the positive pressure side interface 4 of the on-bne repair system 1 of pressure transmitter and pressure are become by positive pressure pressure pipeline 2
It send the positive pressure side of pressure transmitter 10 in device system to be connected and sealed, pressure transmitter is existed by negative pressure taking pressure pipeline 3
The negative pressure side interface 5 and the suction side of pressure transmitter 10 in pressure transducer system of line examination and repair system are connected and sealed.
S2, it suppresses verification: the positive pressure side of pressure transmitter 10 being added by the pressure device 20 of on-bne repair system 1
Pressure, while pressure device 20 receives and processes the electric signal of the feedback of pressure transmitter 10, obtains corresponding electric current；It is pre- in electric current
If when electric current ± 0.5% range, verification is suppressed in completion.
When the electric current that pressure device 20 obtains exceeds predetermined current ± 0.5% range, adjusts and pressed in pressure transducer system
Continue to pressurize after the zero point and range of power transmitter 10, until the electric current that pressure device 20 obtains is in ± 0.5% model of predetermined current
In enclosing.For example, the corresponding current that pressure transmitter 10 exports is 4-20mA, range 16mA；It pressurizes to pressure transmitter 10
It is 20mA according to the corresponding predetermined current of pressure transmitter 10 when 100Kpa, and pressure device 20 receives and processes pressure inverting
The electric signal that device 10 is fed back then illustrates that verification is qualified when to obtain corresponding electricity be 19.92-20.08mA, if lower than 19.92mA or
When higher than 20.08mA, then need to pressurize again.
In addition, suppressing verification step further include: right by the pressure device 20 of on-bne repair system 1 according to verification needs
The suction side of pressure transmitter 10 pressurizes, while pressure device 20 receives and processes the telecommunications of the feedback of pressure transmitter 10
Number, obtain corresponding electric current.To the verification standard for the verification standard reference positive pressure side that suction side pressurizes.
S3, water-filling exhaust: by the water-filling exhaust apparatus 30 of on-bne repair system 1 by demineralized water from positive pressure side interface 4 or
In the pump to pressure transducer system of negative pressure side interface 5, until pressure transducer system is full of, by the air in pressure transducer system
Water-filling exhaust apparatus 30 is flow back to, on-bne repair is completed.
In general, as shown in Figure 1, pressure transducer system includes pressure transmitter 10, positive pressure instrument pipeline 11 and negative pressure instrument
Table pipeline 12.The positive pressure side (high-pressure side) and suction side (low-pressure side) of pressure transmitter 10 pass through 11 He of positive pressure instrument pipeline respectively
Negative pressure instrument pipeline 12 is connect, 11 He of positive pressure instrument pipeline with pressure measuring system (including the systems such as any required survey pressure, liquid level) is needed
Negative pressure instrument pipeline 12 is respectively equipped with secondary isolation valve 111,121 with the one end for needing pressure measuring system to connect, to control pressure inverting
Device 10 and need the on-off between pressure measuring system；It is also real by balanced valve 13 between positive pressure instrument pipeline 11 and negative pressure instrument pipeline 12
Existing on-off.Balanced valve 13 is located at secondary isolation valve 111,121 far from the side for needing pressure measuring system.The upper end of pressure transmitter 10 is also
Equipped with the positive pressure ventilation plug hole 14 and negative pressure exhaust plug hole 15 being connected to respectively with its internal positive pressure chamber and negative pressure chamber,
It is sealed respectively by venting plug on plug hole；It is terminated with positive pressure chamber internal with it respectively under pressure transmitter 10 and bears
Press the positive pressure blowdown plug 16 and negative pressure blowdown plug 17 of chamber.The positive pressure ventilation plug hole 14 of pressure transmitter 10, just
Pressure chamber and positive pressure blowdown plug 16 are sequentially communicated the positive pressure side to form pressure transmitter 10；The negative pressure exhaust of pressure transmitter 10
Plug hole 15, negative pressure chamber and negative pressure blowdown plug 17 are sequentially communicated the suction side to form pressure transmitter 10.
In above-mentioned on-bne repair method, in order to ensure suppressing the accuracy of verification, also need before suppressing verification to pressure
Transducer system is inflated draining, and the ponding in pressure transducer system is discharged.
Inflatable drainage step can include: by positive pressure pressure pipeline 2, the positive pressure side of pressure transmitter 10, pressure transmitter 10
The negative pressure instrument pipeline 12 that connects on the positive pressure instrument pipeline 11 that connects on positive pressure side, 10 suction side of pressure transmitter, pressure become
The suction side and negative pressure taking pressure pipeline 3 for sending device 10 are sequentially communicated, and form a circuit；It will be empty by water-filling exhaust apparatus 30
Ponding in pressure transducer system is drained into water-filling exhaust apparatus 30 by the air being pumped by air pump entry loop.
Positive pressure pressure pipeline 2 can be by being connected on the positive pressure ventilation plug or positive pressure blowdown plug 16 of pressure transmitter 10
It is connected to the positive pressure side of pressure transmitter 10.Similarly, negative pressure taking pressure pipeline 3 can be by being connected to the negative pressure of pressure transmitter 10
It is connected on venting plug or negative pressure blowdown plug 17 with the suction side of pressure transmitter 10.
As shown in Figure 1, one embodiment of pressure transformer on-bne repair method of the invention, comprising the following steps:
S1, the positive pressure side interface 4 of the on-bne repair system 1 of pressure transmitter and pressure are become by positive pressure pressure pipeline 2
The positive pressure side of device 10 is sent to be connected and sealed, by negative pressure taking pressure pipeline 3 by the negative pressure of the on-bne repair system 1 of pressure transmitter
Side interface 5 and the suction side of pressure transmitter 10 are connected and sealed.
Before connecting pipeline, by two septums secundum on the positive pressure instrument pipeline 11 and negative pressure instrument pipeline 12 of pressure transducer system
It is closed from valve 111,121；Open the balanced valve 13 between positive pressure instrument pipeline 11 and negative pressure instrument pipeline 12.
Specifically, step S1 includes:
S1.1, the positive pressure ventilation plug hole 14 that two groups of isolation plug components 6 are mounted on to 10 upper end of pressure transmitter respectively
In negative pressure exhaust plug hole 15.
It as shown in Figure 1, 2, is isolation plug component 6 in any one plug hole (positive pressure ventilation plug hole 14 or negative pressure exhaust
Plug hole 15) on structural schematic diagram.Wherein, isolation plug component 6 includes the plug 61 for being equipped with central passage 60, for being arranged
Washer 62 between 61 one end of plug and the bottom surface in plug hole (positive pressure ventilation plug hole 14 or negative pressure exhaust plug hole 15), in
Heart channel 60 is connected with positive pressure ventilation plug hole 14 or negative pressure exhaust plug hole 15.By washer 62 by the four of 61 one end of plug
It being sealed between week and plug hole bottom surface, it is ensured that the central passage 60 in plug 61 is connected to the sealing between plug hole,
The gas vent of plug hole side is avoided to be connected to 61 central passage 60 of plug that plug component 6 is isolated.61 periphery of plug can pass through
Screw thread and plug hole screw-internal thread fit.Washer 62 is preferably copper gasket, has certain intensity, can bear certain pressure.
Before step S1.1, it will originally be enclosed in positive pressure ventilation plug hole 14 and the negative pressure exhaust plug of pressure transmitter 10
Plug in hole 15 removes.
S1.2,2 one end of positive pressure pressure pipeline is connected on the positive pressure side interface 4 of on-bne repair system 1, other end connection
On the plug 61 (plug 61 of isolation plug component 6) in the positive pressure side plug hole 14 of pressure transmitter 10；By negative pressure pressure pipe
3 one end of line is connected on the negative pressure side interface 5 of on-bne repair system 1, and the suction side that the other end is connected to pressure transmitter 10 is stifled
On the plug 61 of head bore 15, to realize the connection of pressure transmitter 10 and on-bne repair system 1.
In conjunction with Fig. 1,3, step S1 further include:
Ponding in pressure transducer system is discharged, can be realized by water-filling exhaust apparatus 30 by S1.3, inflatable drainage.
Specifically, inflatable drainage operation is as follows: water-filling exhaust apparatus 30 is connected to atmosphere, by negative pressure side interface 5, negative pressure pressure
The positive pressure of pipeline 3, the suction side of pressure transmitter 10, negative pressure instrument pipeline 12, positive pressure instrument pipeline 11, pressure transmitter 10
Side, positive pressure pressure pipeline 2 and positive pressure side interface 4 are sequentially communicated, and form an inflatable drainage circuit；Water-filling exhaust apparatus 30
Power pump startup 33, pump atmosphere, atmosphere is entered in inflatable drainage circuit by negative pressure side interface 5, is returned along inflatable drainage
Road returns in water-filling exhaust apparatus 30 from positive pressure side interface 4, is discharged into water-filling exhaust apparatus through the ponding in pressure transducer system
In 30 waste liquid tank 32.
S2, verification is suppressed.
Specifically, step S2 can include:
S2.1, by the positive pressure side of pressure device 20, positive pressure side interface 4, positive pressure pressure pipeline 2 and pressure transmitter 10 successively
Connection is got up.
By the way that balanced valve 13 is closed the positive pressure instrument pipeline 11 and suction side that make to connect on 10 positive pressure side of pressure transmitter
The negative pressure instrument pipeline 12 of upper connection completely cuts off.Furthermore it is ensured that the positive pressure side interface 4 and negative pressure side interface 5 of on-bne repair system 1 it
It is separated, it is not connected to.
S2.2, pressure device 20 start, by positive pressure side interface 4 and positive pressure pressure pipeline 2 to pressure transmitter 10 just
It pressurizes pressure side.The pressure size of pressurization is adjusted according to corresponding pressure transmitter 10.Pressurization is mainly by pressure device
20 meter of suppressing is realized.
When pressurization, for the electric signal that pressure transmitter 10 is fed back to pressure device 20, pressure device 20 will by its universal meter
The electric current that processing obtains is shown.It is compared according to the electric current of display with predetermined current, the verification of judgement this time pressurization is
No qualification；If unqualified, continue to pressurize after the zero point and range of adjustment pressure transmitter 10, until the electricity that pressure device 20 obtains
Stream is in ± 0.5% range of predetermined current.
Further, step S2 further includes the suction side pressurization verification to pressure transmitter 10.It operates as follows: dress will be suppressed
The connection of 20, negative pressure side interface 5 is set, pressure device 20 and positive pressure side interface 4 are disconnected, negative pressure side interface 5 is flanked with positive pressure
Mouth 4 disconnects；Pressure device 20 starts, by negative pressure side interface 5 and negative pressure taking pressure pipeline 3 to the suction side of pressure transmitter 10 into
Row pressurization.
After the completion of suppressing verification, release and pressure device 20 or completely cut off pressure device 20 and water-filling exhaust apparatus 30, with into
The subsequent water-filling steps of exhausting of row.
S3, water-filling exhaust.
Specifically, step S3 can include:
S3.1, by the desalination water pot 31 of water-filling exhaust apparatus 30, positive pressure side interface 4, positive pressure pressure pipeline 2, pressure inverting
Connect on the positive pressure instrument pipeline 11 that is connected on the positive pressure side of device 10,10 positive pressure side of pressure transmitter, 10 suction side of pressure transmitter
Negative pressure instrument pipeline 12, the suction side of pressure transmitter 10, negative pressure taking pressure pipeline 3, negative pressure side interface 5 and the water-filling exhaust dress connect
It sets 30 waste liquid tank 32 to be sequentially communicated, forms a circuit.
Demineralized water in desalination water pot 31 can enter circuit under the driving of kinetic pump 33, return to waste liquid tank after circulating wherein
32。
The starting of kinetic pump 33 of S3.2, water-filling exhaust apparatus 30, extract the demineralized water of desalination water pot 31, demineralized water is by just
Side interface 4 is pressed to enter in circuit, until being full of circuit, extra demineralized water passes through 5 row of negative pressure taking pressure pipeline 3 and negative pressure side interface
To waste liquid tank 32.
Wherein, when demineralized water is full of circuit, the air in circuit is discharged to waste liquid tank 32, until waste liquid tank 32 no longer steams
Bubble illustrates that exhaust finishes.
S3.3, positive pressure pressure pipeline 2 and negative pressure taking pressure pipeline 3 are removed from pressure transmitter 10, respectively becomes pressure
The positive pressure ventilation plug hole 14 and negative pressure exhaust plug hole 15 for sending device 10 block, and complete water-filling exhaust.
Further, when the positive pressure instrument pipeline 11 of pressure transducer system and the connection of negative pressure instrument pipeline 12 need to survey pressure system
There are when air, also need to carry out water-filling exhaust, water-filling row for pipeline section between one end and secondary isolation valve 111,121 of system
Gas operation carries out before step S3.3.The water-filling bleeding can be by needing pressure measuring system to be drained to the pipeline section to arrange
Gas can also carry out water-filling exhaust by on-bne repair system 1.
Water-filling exhaust is carried out by pipeline section of the on-bne repair system 1 to positive pressure instrument pipeline 11, operate as follows: positive pressure flanks
Mouth 4 is sequentially communicated by positive pressure pressure pipeline 2 and positive pressure side, the positive pressure instrument pipeline 11 of pressure transmitter 10, opens positive pressure instrument
Secondary isolation valve 111 on table pipeline 11 is connected to positive pressure instrument pipeline 11 and needs pressure measuring system；The power of water-filling exhaust apparatus 30
Pump startup, extracts demineralized water, and demineralized water flows through positive pressure pressure pipeline 2, the positive pressure side of pressure transmitter 10 and just through kinetic pump 33
Instrument pipeline 11 is pressed, entering by the secondary isolation valve 111 on positive pressure instrument pipeline 11 needs pressure measuring system, thus by positive pressure instrument
Bubble in pipeline 11 is discharged into and needs inside pressure measuring system.
Water-filling exhaust is carried out by pipeline section of the on-bne repair system 1 to negative pressure instrument pipeline 12, can refer to positive pressure gauge pipe
The water-filling bleeding of the pipeline section of line 11 makes demineralized water flow through negative pressure taking pressure pipeline 3, the suction side of pressure transmitter 10 and negative pressure
Instrument pipeline 12, being entered by the secondary isolation valve 121 on negative pressure instrument pipeline 12 needs pressure measuring system, by negative pressure instrument pipeline 12
Interior bubble is discharged into and needs inside pressure measuring system.
In the case that system is impermissible for entering air, need from need in pressure measuring system draining to on-bne repair system 1, with
The air in positive pressure instrument pipeline 11 and negative pressure instrument pipeline 12 is discharged.It operates as follows: opening two on positive pressure instrument pipeline 11
Secondary isolating valve 111 makes to need the water in pressure measuring system to flow through positive pressure instrument pipeline 11, the positive pressure side of pressure transmitter 10, positive pressure and takes
Pressure pipeline 2 and positive pressure side interface 4 enter in the waste liquid tank 32 of water-filling exhaust apparatus 30；It opens secondary on negative pressure instrument pipeline 12
Isolating valve 121 makes to need the water in pressure measuring system to flow through negative pressure instrument pipeline 12, the suction side of pressure transmitter 10, negative pressure pressure
Pipeline 3 and negative pressure side interface 5 enter in the waste liquid tank 32 of water-filling exhaust apparatus 30.
As shown in figure 3, another embodiment of pressure transformer on-bne repair method of the invention, comprising the following steps:
S1, the positive pressure side interface 4 of the on-bne repair system 1 of pressure transmitter and pressure are become by positive pressure pressure pipeline 2
The positive pressure side of device 10 is sent to be connected and sealed, by negative pressure taking pressure pipeline 3 by the negative pressure of the on-bne repair system 1 of pressure transmitter
Side interface 5 and the suction side of pressure transmitter 10 are connected and sealed.
Before connecting pipeline, by two septums secundum on the positive pressure instrument pipeline 11 and negative pressure instrument pipeline 12 of pressure transducer system
It is closed from valve 111,121；Open the balanced valve 13 between positive pressure instrument pipeline 11 and negative pressure instrument pipeline 12.
Specifically, step S1 includes:
S1.1,2 one end of positive pressure pressure pipeline is connected on the positive pressure side interface 4 of on-bne repair system 1, other end connection
On the positive pressure blowdown plug 16 of pressure transmitter 10；Positive pressure pressure pipeline 2 passes through positive pressure blowdown plug 16 and pressure transmitter
10 positive pressure instrument pipeline 11 is connected to.
S1.2,3 one end of negative pressure taking pressure pipeline is connected on the negative pressure side interface 5 of on-bne repair system 1, other end connection
On the negative pressure blowdown plug 17 of pressure transmitter 10；Negative pressure taking pressure pipeline 3 passes through negative pressure blowdown plug 17 and pressure transmitter
10 negative pressure instrument pipeline 12 is connected to.
The sequence that step S1.1 and S1.2 is successively carried out is unlimited, realizes pressure transmitter 10 and on-bne repair system 1
Connection.
Step S1 further include:
Ponding in pressure transducer system is discharged, can be realized by water-filling exhaust apparatus 30 by S1.3, inflatable drainage.
Specifically, inflatable drainage operation is as follows: water-filling exhaust apparatus 30 is connected to atmosphere, by negative pressure side interface 5, negative pressure pressure
Pipeline 3, the negative pressure blowdown plug 17 of pressure transmitter 10, negative pressure instrument pipeline 12, positive pressure instrument pipeline 11, pressure transmitter 10
Positive pressure blowdown plug 16, positive pressure pressure pipeline 2 and positive pressure side interface 4 be sequentially communicated, form an inflatable drainage circuit；
The kinetic pump 33 of water-filling exhaust apparatus 30 starts, and pumps atmosphere, and atmosphere is entered in inflatable drainage circuit by negative pressure side interface 5,
It returns in water-filling exhaust apparatus 30 along inflatable drainage circuit from positive pressure side interface 4, is arranged through the ponding in pressure transducer system
Enter in the waste liquid tank 32 of water-filling exhaust apparatus 30.
Draining for positive pressure chamber and negative pressure chamber in pressure transmitter 10 can unclamp respectively on pressure transmitter 10
The positive pressure ventilation plug 18 and negative pressure exhaust plug 19 at end, so that positive pressure chamber and the discharge of the ponding of negative pressure chamber.
S2, verification is suppressed.
Specifically, step S2 can include:
S2.1, by the positive pressure side of pressure device 20, positive pressure side interface 4, positive pressure pressure pipeline 2 and pressure transmitter 10 successively
Connection is got up；By the way that balanced valve 13 is closed the positive pressure instrument pipeline 11 and suction side that make to connect on 10 positive pressure side of pressure transmitter
The negative pressure instrument pipeline 12 of upper connection completely cuts off.Furthermore it is ensured that the positive pressure side interface 4 and negative pressure side interface 5 of on-bne repair system 1 it
It is separated, it is not connected to.
S2.2, pressure device 20 start, by positive pressure side interface 4 and positive pressure pressure pipeline 2 to pressure transmitter 10 just
It pressurizes pressure side.The pressure size of pressurization is adjusted according to corresponding pressure transmitter 10.
When pressurization, for the electric signal that pressure transmitter 10 is fed back to pressure device 20, pressure device 20 will by its universal meter
The electric current that processing obtains is shown.It is compared according to the electric current of display with predetermined current, the verification of judgement this time pressurization is
No qualification；If unqualified, continue to pressurize after the zero point and range of adjustment pressure transmitter 10, until the electricity that pressure device 20 obtains
Stream is in ± 0.5% range of predetermined current.
Further, step S2 further includes the suction side pressurization verification to pressure transmitter 10.It operates as follows: dress will be suppressed
The connection of 20, negative pressure side interface 5 is set, pressure device 20 and positive pressure side interface 4 are disconnected, negative pressure side interface 5 is flanked with positive pressure
Mouth 4 disconnects；Pressure device 20 starts, by negative pressure side interface 5 and negative pressure taking pressure pipeline 3 to the suction side of pressure transmitter 10 into
Row pressurization.
After the completion of suppressing verification, release and pressure device 20 or completely cut off pressure device 20 and water-filling exhaust apparatus 30, with into
The subsequent water-filling steps of exhausting of row.
S3, water-filling exhaust.
Specifically, step S3 can include:
S3.1, by the desalination water pot 31 of water-filling exhaust apparatus 30, positive pressure side interface 4, positive pressure pressure pipeline 2, pressure inverting
Positive pressure instrument pipeline 11, the pressure transmitter 10 connected on the positive pressure blowdown plug 16 of device 10,10 positive pressure side of pressure transmitter is negative
Negative pressure blowdown plug 17, the negative pressure taking pressure pipeline 3, suction side of the negative pressure instrument pipeline 12, pressure transmitter 10 that are connected on pressure side
The waste liquid tank 32 of interface 5 and water-filling exhaust apparatus 30 is sequentially communicated, and forms a circuit.
Demineralized water in desalination water pot 31 can enter circuit under the driving of kinetic pump 33, return to waste liquid tank after circulating wherein
32。
The starting of kinetic pump 33 of S3.2, water-filling exhaust apparatus 30, extract the demineralized water of desalination water pot 31, demineralized water is by just
Side interface 4 is pressed to enter circuit, until being full of circuit.
S3.3, the positive pressure ventilation plug 18 and negative pressure exhaust plug 19 for unscrewing pressure transmitter 10, demineralized water is in circuit
Because negative pressure is filled to the positive pressure side and suction side of pressure transmitter 10, until positive pressure ventilation plug 18 and negative pressure exhaust plug 19 emit
Water bubble-free tightens positive pressure ventilation plug 18 and negative pressure exhaust plug 19.
It is drained into waste liquid tank 32 by the extra demineralized water in circuit by negative pressure taking pressure pipeline 3 and negative pressure side interface 5.When
Waste liquid tank 32 no longer bubbles, and illustrates that exhaust finishes.
S3.4, respectively by positive pressure pressure pipeline 2 and negative pressure taking pressure pipeline 3 from the positive pressure blowdown plug 16 of pressure transmitter 10
It is removed on negative pressure blowdown plug 17, completes water-filling exhaust.
Further, when the positive pressure instrument pipeline 11 of pressure transducer system and the connection of negative pressure instrument pipeline 12 need to survey pressure system
There are when air, also need to carry out water-filling exhaust, water-filling row for pipeline section between one end and secondary isolation valve 111,121 of system
Gas operation carries out before step S3.3.The water-filling bleeding can be by needing pressure measuring system to be drained to the pipeline section to arrange
Gas can also carry out water-filling exhaust by on-bne repair system 1.
Water-filling exhaust is carried out by pipeline section of the on-bne repair system 1 to positive pressure instrument pipeline 11, operate as follows: positive pressure flanks
Mouth 4 is sequentially communicated by positive pressure pressure pipeline 2 and positive pressure blowdown plug 16, the positive pressure instrument pipeline 11 of pressure transmitter 10, is beaten
The secondary isolation valve 111 on positive pressure instrument pipeline 11 is opened, positive pressure instrument pipeline 11 is connected to and needs pressure measuring system；Water-filling exhaust apparatus
30 kinetic pump 33 starts, extract demineralized water, and demineralized water flows through positive pressure pressure pipeline 2, pressure transmitter 10 through kinetic pump 33
Positive pressure blowdown plug 16 and positive pressure instrument pipeline 11, by the secondary isolation valve 111 on positive pressure instrument pipeline 11 into pressure need to be surveyed
System, so that the bubble in positive pressure instrument pipeline 11, which is discharged into, to be needed inside pressure measuring system.
Water-filling exhaust is carried out by pipeline section of the on-bne repair system 1 to negative pressure instrument pipeline 12, can refer to positive pressure gauge pipe
The water-filling bleeding of the pipeline section of line 11 makes demineralized water flow through the negative pressure blowdown plug of negative pressure taking pressure pipeline 3, pressure transmitter 10
17 and negative pressure instrument pipeline 12, being entered by the secondary isolation valve 121 on negative pressure instrument pipeline 12 needs pressure measuring system, by negative pressure instrument
Bubble in table pipeline 12 is discharged into and needs inside pressure measuring system.
In the case that system is impermissible for entering air, need from need in pressure measuring system draining to on-bne repair system 1, with
The air in positive pressure instrument pipeline 11 and negative pressure instrument pipeline 12 is discharged.It operates as follows: opening two on positive pressure instrument pipeline 11
Secondary isolating valve 111 makes to need the water in pressure measuring system to flow through the positive pressure blowdown plug of positive pressure instrument pipeline 11, pressure transmitter 10
16, positive pressure pressure pipeline 2 and positive pressure side interface 4 enter in the waste liquid tank 32 of water-filling exhaust apparatus 30；Open negative pressure instrument pipeline
Secondary isolation valve 121 on 12 makes to need the water in pressure measuring system to flow through the negative pressure row of negative pressure instrument pipeline 12, pressure transmitter 10
Dirty plug 17, negative pressure taking pressure pipeline 3 and negative pressure side interface 5 enter in the waste liquid tank 32 of water-filling exhaust apparatus 30.
The on-bne repair system of pressure transmitter of the invention can be used for realizing above-mentioned pressure transmitter on-bne repair.
In conjunction with shown in Fig. 1,4 and Fig. 3, one embodiment of the invention on-bne repair system 1 includes positive pressure side interface 4 and negative pressure side interface 5, uses
In the positive pressure pressure pipeline 2 being connected between positive pressure side interface 4 and the positive pressure side of pressure transmitter 10, for being connected to suction side
Negative pressure taking pressure pipeline 3 between interface 5 and the suction side of pressure transmitter 10, for carrying out suppressing verification to pressure transmitter 10
Pressure device 20, water-filling exhaust apparatus 30.
Wherein, water-filling exhaust apparatus 30 includes for filling the desalination water pot 31 of demineralized water, waste liquid tank 32, by positive pressure side interface
4 and the pipeline being connected to desalination water pot 31 and waste liquid tank 32 of negative pressure side interface 5 and the kinetic pump 33 being arranged on pipeline.
The verification interface 34 for connecting pressure device 20 is additionally provided on pipeline.It is additionally provided on pipeline and is connected to ambient atmosphere
Air interface 35, and at air interface 35 be equipped with isolating valve control pipeline and ambient atmosphere on-off.
In addition, several isolating valves are also distributed on pipeline, realize respectively between positive pressure side interface 4 and negative pressure side interface 5, just
Press between side interface 4 and verification interface, between negative pressure side interface 5 and verification interface, between kinetic pump and positive pressure side interface 4, it is dynamic
On-off between power pump and negative pressure side interface 5 etc..
Further, as shown in Figure 1, on-bne repair system 1 further includes and positive pressure pressure pipeline 2 and negative pressure taking pressure pipeline 3
The isolation plug component 6 of cooperation, for being mounted on the positive pressure ventilation plug hole 14 and negative pressure exhaust plug hole of pressure transmitter 10
In 15, realize respectively positive pressure pressure pipeline 2 and 10 positive pressure side of pressure transmitter be connected to and negative pressure taking pressure pipeline 3 and pressure
The connection of 10 suction side of transmitter.
In the present embodiment, as shown in Fig. 2, isolation plug component 6 includes the plug 61 for being equipped with central passage 60, for being arranged
Washer 62 in 61 one end of plug.When on plug hole (positive pressure ventilation plug hole 14 or negative pressure exhaust plug hole 15), plug 61
It fits snugly in plug hole, washer 62 is arranged between 61 one end of plug hole bottom surface and plug, by the surrounding of 61 one end of plug
It being sealed between the bottom surface of plug hole, it is ensured that the central passage 60 in plug 61 is connected to the sealing between plug hole, and
The gas vent of plug hole side is avoided to be connected to by plug hole with central passage 60.
61 periphery of plug can pass through screw thread and plug hole screw-internal thread fit.Washer 62 is preferably copper gasket, is had centainly
Intensity can bear certain pressure.
Preferably, positive pressure side interface 4, negative pressure side interface 5, pressure device 20 and water-filling exhaust apparatus 30 are integrated in a machine
On frame, the equipment for forming an entirety, one realizes suppressing where verification and pressure transmitter 10 to pressure transmitter 10
The water-filling of pressure transducer system is vented.
To sum up, pressure transmitter on-bne repair method and on-bne repair system of the invention can become being not required to disassembly pressure
Pressure transmitter is carried out in the case where sending the instrument pipeline on device to suppress verification, the unfailing performance of instrument pipeline is effectively ensured,
The failure rate for reducing pressure transmitter avoids the occurrence of unit adjustment state meets pressure transmitter maintenance, improves
The power generation performance of unit prevents the radiating medium in pressure transmitter from revealing to ambient enviroment, eliminates personnel's contamination, equipment
It stains, the risk of environmental contamination, reduces the generation of nuke rubbish, it is safe and easy to operate, shorten the maintenance of pressure transmitter
Time.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of pressure transmitter on-bne repair method, which comprises the following steps:
S1, by positive pressure pressure pipeline by the positive pressure side interface and pressure transducer system of the on-bne repair system of pressure transmitter
The positive pressure side of middle pressure transformer is connected and sealed, by negative pressure taking pressure pipeline by the on-bne repair system of pressure transmitter
Negative pressure side interface and the suction side of pressure transformer in pressure transducer system are connected and sealed；Step S1 includes:
S1.1, the positive pressure ventilation that two groups of isolation plug components are mounted on to pressure transmitter upper end in pressure transducer system respectively
In plug hole and negative pressure exhaust plug hole；The isolation plug component includes the plug for being equipped with central passage, for being arranged in institute
State the washer between the bottom surface in plug one end and positive pressure ventilation plug hole or negative pressure exhaust plug hole, the central passage with it is described
Positive pressure ventilation plug hole or negative pressure exhaust plug hole are connected；
S1.2, positive pressure pressure pipeline one end is connected on the positive pressure side interface of the on-bne repair system, the other end is connected to
On the plug in the positive pressure side plug hole of pressure transmitter；
Negative pressure taking pressure pipeline one end is connected on the negative pressure side interface of the on-bne repair system, the other end is connected to pressure change
It send on the plug in suction side plug hole of device；
S2, it suppresses verification: the positive pressure side of the pressure transmitter being added by the pressure device of the on-bne repair system
Pressure, while the pressure device receives and processes the electric signal of the pressure transmitter feedback, obtains corresponding electric current；Described
When electric current is predetermined current ± 0.5% range, verification is suppressed in completion；
S3, water-filling exhaust: by the water-filling exhaust apparatus of the on-bne repair system by demineralized water from positive pressure side interface or negative pressure
Side interface is pumped to the pressure transducer system, until the pressure transducer system is full of, by the pressure transducer system
Interior air flows back to the water-filling exhaust apparatus；Before step S3, releases the pressure device or the pressure device and will fill
The isolation of water exhaust apparatus；
Step S3 includes:
S3.1, by the desalination water pot of the water-filling exhaust apparatus, positive pressure side interface, positive pressure pressure pipeline, pressure transmitter just
The negative pressure instrument connected on the suction side of the positive pressure instrument pipeline, pressure transmitter that are connected on pressure side, pressure transmitter positive pressure side
Pipeline, the suction side of pressure transmitter, negative pressure taking pressure pipeline, negative pressure side interface and the water-filling exhaust apparatus waste liquid tank successively
Connection is got up, and a circuit is formed；
Wherein, the positive pressure side of the pressure transmitter and suction side pass through positive pressure instrument pipeline and negative pressure instrument pipeline respectively and need
Pressure measuring system connection, positive pressure instrument pipeline and negative pressure instrument pipeline are respectively equipped with secondary isolation with the one end for needing pressure measuring system to connect
Valve；On-off is realized by balanced valve between positive pressure instrument pipeline and negative pressure instrument pipeline；
The power pump startup of S3.2, the water-filling exhaust apparatus, extract the demineralized water of the desalination water pot, and the demineralized water passes through
The positive pressure side interface enters in the circuit, until being full of the circuit, extra demineralized water passes through the negative pressure pressure pipe
Line and negative pressure side interface drain into the waste liquid tank；
S3.3, the positive pressure pressure pipeline and negative pressure taking pressure pipeline are removed from the pressure transmitter, respectively by the pressure
The positive pressure ventilation plug hole of power transmitter and negative pressure exhaust plug hole block.
2. pressure transmitter on-bne repair method according to claim 1, which is characterized in that step S2 includes:
S2.1, the positive pressure side of the pressure device, positive pressure side interface, positive pressure pressure pipeline and pressure transmitter has been sequentially communicated
Come；What is connected on the suction side of the positive pressure instrument pipeline and the pressure transmitter that connect on the pressure transmitter positive pressure side is negative
Press the isolation of instrument pipeline；
S2.2, pressure device starting, by the positive pressure side interface and positive pressure pressure pipeline to the pressure transmitter
Positive pressure side pressurizes.
3. pressure transmitter on-bne repair method according to claim 1, which is characterized in that step S1 includes:
S1.1, positive pressure pressure pipeline one end is connected on the positive pressure side interface of the on-bne repair system, the other end is connected to
In pressure transducer system on the positive pressure blowdown plug of pressure transmitter；
S1.2, negative pressure taking pressure pipeline one end is connected on the negative pressure side interface of the on-bne repair system, the other end is connected to
In pressure transducer system on the negative pressure blowdown plug of pressure transmitter.
4. pressure transmitter on-bne repair method according to claim 3, which is characterized in that step S2 includes:
S2.1, the positive pressure side of the pressure device, positive pressure side interface, positive pressure pressure pipeline and pressure transmitter has been sequentially communicated
Come；What is connected on the suction side of the positive pressure instrument pipeline and the pressure transmitter that connect on the pressure transmitter positive pressure side is negative
Press the isolation of instrument pipeline；
S2.2, pressure device starting, by the positive pressure side interface and positive pressure pressure pipeline to the pressure transmitter
Positive pressure side pressurizes.
5. pressure transmitter on-bne repair method according to claim 3, which is characterized in that before step S3, release institute
It states pressure device or completely cuts off the pressure device and water-filling exhaust apparatus；
Step S3 includes:
S3.1, by the desalination water pot of the water-filling exhaust apparatus, positive pressure side interface, positive pressure pressure pipeline, pressure transmitter just
What is connected on the suction side of the positive pressure instrument pipeline, pressure transmitter that connect on pressure dirt plug, pressure transmitter positive pressure side is negative
Press instrument pipeline, the negative pressure blowdown plug of pressure transmitter, negative pressure taking pressure pipeline, negative pressure side interface and the water-filling exhaust apparatus
Waste liquid tank be sequentially communicated, form a circuit；
The power pump startup of S3.2, the water-filling exhaust apparatus, extract the demineralized water of the desalination water pot, and the demineralized water passes through
The positive pressure side interface enters the circuit, until being full of the circuit；
S3.3, the positive pressure ventilation plug and negative pressure exhaust plug for unscrewing pressure transmitter, demineralized water is in the circuit because of negative pressure
It is filled to the positive pressure side and suction side of pressure transmitter, until the positive pressure ventilation plug and negative pressure exhaust plug emit water without gas
Bubble, tightens the positive pressure ventilation plug and negative pressure exhaust plug；
The waste liquid tank is drained by the negative pressure taking pressure pipeline and negative pressure side interface by the extra demineralized water in the circuit
It is interior；
S3.4, respectively by the positive pressure pressure pipeline and negative pressure taking pressure pipeline from the positive pressure blowdown plug of the pressure transmitter and
It is removed on negative pressure blowdown plug.
6. pressure transmitter on-bne repair method according to claim 1-5, which is characterized in that the online inspection
It repairs in method, further comprising the steps of before step S2:
Inflatable drainage: by positive pressure side, the pressure transmitter of pressure transmitter in the positive pressure pressure pipeline, pressure transducer system
The negative pressure instrument pipeline that is connected on the positive pressure instrument pipeline that is connected on positive pressure side, pressure transmitter suction side, pressure transmitter
Suction side and negative pressure taking pressure pipeline are sequentially communicated, and form a circuit；It is pumped air by the water-filling exhaust apparatus
Ponding in the pressure transducer system is drained into the water-filling exhaust apparatus by the air being pumped by the circuit.
7. pressure transmitter on-bne repair method according to claim 1-5, which is characterized in that in step S2,
When the electric current that the pressure device obtains exceeds predetermined current ± 0.5% range, adjusts pressure in the pressure transducer system and become
Send device zero point and range after continue to pressurize, until the pressure device obtain electric current in ± 0.5% range of predetermined current.
8. pressure transmitter on-bne repair method according to claim 1-5, which is characterized in that in step S2,
Further include: by the pressure device of the on-bne repair system to the suction side of pressure transmitter in the pressure transducer system
It pressurizes, while the pressure device receives and processes the electric signal of the pressure transmitter feedback, obtains corresponding electric current.
9. a kind of on-bne repair system of pressure transmitter, which is characterized in that be used for the described in any item pressure of claim 1-8
Transmitter on-bne repair method, the on-bne repair system of the pressure transmitter include positive pressure side interface and negative pressure side interface, use
In the positive pressure pressure pipeline being connected between the positive pressure side interface and the positive pressure side of pressure transmitter, for being connected to described bear
Press negative pressure taking pressure pipeline between side interface and the suction side of pressure transmitter, for carrying out suppressing verification to pressure transmitter
Pressure device, water-filling exhaust apparatus；
The water-filling exhaust apparatus includes for filling the desalination water pot of demineralized water, waste liquid tank, by the positive pressure side interface and negative pressure
The pipeline that side interface is connected to the desalination water pot and waste liquid tank and the kinetic pump being arranged on the pipeline；The pipeline
On be additionally provided with verification interface for connecting the pressure device；
The on-bne repair system further includes with the positive pressure pressure pipeline and the cooperation of negative pressure taking pressure pipeline, for being mounted on pressure
The positive pressure ventilation plug hole of transformer or the isolation plug component on negative pressure exhaust plug hole；
The isolation plug component includes plug, the washer for described plug one end to be arranged in equipped with central passage；
The positive pressure side interface, negative pressure side interface, pressure device and water-filling exhaust apparatus are integrated in a rack.
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| CN201610828152.XA CN106644254B (en) | 2016-09-18 | 2016-09-18 | Pressure transmitter on-bne repair method and its on-bne repair system |
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| CN201610828152.XA CN106644254B (en) | 2016-09-18 | 2016-09-18 | Pressure transmitter on-bne repair method and its on-bne repair system |
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| CN108007640B (en) * | 2017-11-27 | 2020-04-14 | 广西防城港核电有限公司 | Full-automatic calibration circuit, device and method for pressure transmitter |
| CN108362436B (en) * | 2018-05-22 | 2024-04-09 | 三门核电有限公司 | System and method for testing response time of pressure/differential pressure transmitter |
| CN113483946B (en) * | 2021-06-01 | 2023-04-28 | 广西防城港核电有限公司 | Water filling and exhausting system and method for differential pressure transmitter |
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| US5107441A (en) * | 1990-10-31 | 1992-04-21 | Otis Engineering Corporation | System for evaluating the flow performance characteristics of a device |
| CN1928520A (en) * | 2006-09-20 | 2007-03-14 | 李丹佳 | Detection method and dedicated equipment for pressure difference measuring device |
| CN201514234U (en) * | 2009-04-01 | 2010-06-23 | 上海开仪电子技术有限公司 | Multi-parameter differential pressure type flow testing device |
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