CN106644254A - On-line maintenance method of pressure transmitter and on-line maintenance system thereof - Google Patents
On-line maintenance method of pressure transmitter and on-line maintenance system thereof Download PDFInfo
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- CN106644254A CN106644254A CN201610828152.XA CN201610828152A CN106644254A CN 106644254 A CN106644254 A CN 106644254A CN 201610828152 A CN201610828152 A CN 201610828152A CN 106644254 A CN106644254 A CN 106644254A
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- pressure
- malleation
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- transmitter
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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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- Control Of Fluid Pressure (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses an on-line maintenance method of a pressure transmitter and an on-line maintenance system thereof. The method comprises: S1, a positive pressure side interface of an on-line maintenance system of a pressure transmitter is connected to a positive pressure side of the pressure transmitter in a pressure transmitter system in sealing manner by using a positive pressure taking pipeline and a negative pressure side interface of the on-line maintenance system of the pressure transmitter is connected to a negative pressure side of the pressure transmitter in the pressure transmitter system in sealing manner by using a negative pressure taking pipeline; S2, pressurizing checking is carried out; to be specific, the positive pressure side interface of the pressure transmitter is pressurized by using a pressurizing device of the on-line maintenance system and the pressurizing device receives and processes an electrical signal fed back by the pressure transmitter to obtain a corresponding current; and S3, water filling and exhausting are carried out. With the method and system, zero-leakage checking of the pressure transmitter as well as water filling and exhausting can be realized; the operation becomes secure and convenient; and the maintenance time of the pressure transmitter can be shortened.
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 technology
Traditional Transmitters repair method is to remove transmitter meter pipeline in system off-line to carry out instrument check, Ran Hou
Carry out instrument bath exhaust work when system is online again, on the one hand this kind of repair method needs to remove instrument pipeline and time dress instrument
Table pipeline, can cause joints wear and loosening, on the other hand can produce 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 equipment and surrounding environment contamination.In addition, when system is online, due to
System often HTHP, now because the related water-filling exhaust work of transmitter cannot be carried out, if important transmitter goes out
During existing failure, set state adjustment need to be carried out to meet verification condition, this can generate electricity to power station and bring certain impact.
The content of the invention
The technical problem to be solved in the present invention is, there is provided one kind realizes that No leakage is verified, safe and easy to operate pressure
Power transmitter on-bne repair method and realize the on-bne repair system of the on-bne repair method.
The technical solution adopted for the present invention to solve the technical problems is：A kind of pressure transmitter on-bne repair side is provided
Method, comprises the following steps：
S1, by malleation pressure pipeline by the malleation 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 of system is connected and sealed with the suction side of pressure transformer in pressure transducer system；
S2, suppress verification：The positive pressure side of the pressure transmitter is entered by the pressure device of the on-bne repair system
Row pressurization, while the pressure device receives and process the electric signal of the pressure transmitter feedback, obtains corresponding electric current；
When the electric current is predetermined current ± 0.5% scope, complete to suppress verification；
S3, water-filling exhaust：By the water-filling exhaust apparatus of the on-bne repair system by demineralized water from malleation side interface or
Suction side interface pump is full of the pressure transducer system to the pressure transducer system, extremely, 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 malleation that two groups of isolation plug components are arranged on respectively pressure transmitter upper end in pressure transducer system
In venting plug hole and negative pressure exhaust plug hole；It is described isolation plug component include be provided with the plug of central passage, for arranging
Packing ring 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
The positive pressure ventilation plug hole or negative pressure exhaust plug hole are connected；
S1.2, malleation pressure pipeline one end is connected on the malleation side interface of the on-bne repair system, the other end connects
It is connected on the plug in 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, malleation side interface, malleation pressure pipeline and pressure transmitter is connected successively
Lead to；Connect on the malleation instrument pipeline connected on the pressure transmitter positive pressure side and the suction side of the pressure transmitter
Negative pressure instrument pipeline isolation；
S2.2, the pressure device start, by the malleation side interface and malleation pressure pipeline to the pressure inverting
The positive pressure side of device is pressurizeed.
Preferably, before step S3, release the pressure device or completely cut 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, malleation side interface, malleation pressure pipeline, pressure transmitter
Positive pressure side, the malleation instrument pipeline connected on pressure transmitter positive pressure side, the negative pressure that connects on the suction side of pressure transmitter
The waste liquid tank of instrument pipeline, the suction side of pressure transmitter, negative pressure taking pressure pipeline, negative pressure side interface and the water-filling exhaust apparatus
It is sequentially communicated, forms a loop；
The power pump startup of S3.2, the water-filling exhaust apparatus, extracts the demineralized water of the desalination water pot, the demineralized water
Entered in the loop by the malleation side interface, until being full of the loop, unnecessary demineralized water passes through the negative pressure taking
Pressure pipeline and negative pressure side interface are drained into the waste liquid tank；
S3.3, the malleation pressure pipeline and negative pressure taking pressure pipeline are pulled down from the pressure transmitter, respectively by institute
State the positive pressure ventilation plug hole and negative pressure exhaust plug hole closure of pressure transmitter.
Preferably, step S1 includes：
S1.1, malleation pressure pipeline one end is connected on the malleation side interface of the on-bne repair system, the other end connects
It is connected on the malleation blowdown plug of 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 is connected on the negative pressure blowdown plug of pressure transmitter in pressure transducer system.
Preferably, step S2 includes：
S2.1, the positive pressure side of the pressure device, malleation side interface, malleation pressure pipeline and pressure transmitter is connected successively
Lead to；Connect on the malleation instrument pipeline connected on the pressure transmitter positive pressure side and the suction side of the pressure transmitter
Negative pressure instrument pipeline isolation；
S2.2, the pressure device start, by the malleation side interface and malleation pressure pipeline to the pressure inverting
The positive pressure side of device is pressurizeed.
Preferably, before step S3, release the pressure device or completely cut 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, malleation side interface, malleation pressure pipeline, pressure transmitter
Malleation blowdown plug, connect on pressure transmitter positive pressure side malleation instrument pipeline, connect on the suction side of pressure transmitter
Negative pressure instrument pipeline, the negative pressure blowdown plug of pressure transmitter, negative pressure taking pressure pipeline, negative pressure side interface and the water-filling exhaust
The waste liquid tank of device is sequentially communicated, and forms a loop；
The power pump startup of S3.2, the water-filling exhaust apparatus, extracts the demineralized water of the desalination water pot, the demineralized water
The loop is entered by the malleation side interface, until being full of the loop；
S3.3, the positive pressure ventilation plug and negative pressure exhaust plug of turning on pressure transmitter, demineralized water is in the loop internal cause
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 emit water without
Bubble, tightens the positive pressure ventilation plug and negative pressure exhaust plug；
Drained into by the negative pressure taking pressure pipeline and negative pressure side interface by the unnecessary demineralized water in the loop described useless
In flow container；
S3.4, the malleation pressure pipeline and negative pressure taking pressure pipeline blocked up from the malleation blowdown of the pressure transmitter respectively
Pull down on head and negative pressure blowdown plug.
Preferably, it is 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 malleation pressure pipeline, pressure transducer system are become
Send negative pressure instrument pipeline, the pressure inverting connected on the malleation instrument pipeline connected on device positive pressure side, pressure transmitter suction side
The suction side and negative pressure taking pressure pipeline of device is sequentially communicated, and forms a loop；By the water-filling exhaust apparatus by air
The loop is pumped into, the ponding in the pressure transducer system is drained into by the water-filling exhaust apparatus by the air for pumping into.
Preferably, in step S2, when the electric current that the pressure device is obtained exceeds predetermined current ± 0.5% scope, adjustment
Continue to pressurize after the zero point and range of pressure transmitter in the pressure transducer system, until the electricity that the pressure device is obtained
Stream is in the range of predetermined current ± 0.5%.
Preferably, in step S2, also include：By the pressure device of the on-bne repair system to the pressure transmitter
The suction side of pressure transmitter is pressurizeed in system, while the pressure device receives and process 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 malleation side interface and negative pressure side interface,
For the malleation pressure pipeline, described for being connected to being connected between the malleation side interface and the positive pressure side of pressure transmitter
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 malleation side interface and
Pipeline that negative pressure side interface is connected with 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 with pipeline.
Preferably, the malleation side interface, negative pressure side interface, pressure device and water-filling exhaust apparatus are integrated in a frame
On.
Preferably, the on-bne repair system also includes coordinating, using with the malleation pressure pipeline and negative pressure taking pressure pipeline
In the isolation plug component on the positive pressure ventilation plug hole or negative pressure exhaust plug hole of pressure transformer.
Preferably, it is described isolation plug component include be provided with the plug of central passage, for being arranged on described plug one end
Packing ring.
Beneficial effects of the present invention：It is not required to complete pressure change in the case of dismantling the instrument pipeline on pressure transmitter online
That send device suppresses verification, is effectively ensured the unfailing performance of instrument pipeline, reduce the fault rate of pressure transmitter, it is to avoid unit tune
Whole state meets pressure transmitter the occurrence of overhaul, and improves the power generation performance of unit, prevents putting in pressure transmitter
Penetrating property medium to surrounding environment is revealed, and the personnel that eliminate are stain, equipment stains, the risk of environmental contamination, reduce nuke rubbish
Produce, it is safe and easy to operate, shorten the repair time of pressure transmitter.
Description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the structural representation of the on-bne repair system of the pressure transmitter of one embodiment of the invention；
Fig. 2 is to isolate structural representation of the plug component on plug hole in Fig. 1；
Fig. 3 is the structural representation of water-filling exhaust apparatus in Fig. 1；
Fig. 4 is the structural representation of the on-bne repair system of the pressure transmitter of another embodiment of the present invention.
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now compare accompanying drawing and describe in detail
The specific embodiment of the present invention.
The pressure transmitter on-bne repair method of the present invention, in the case of the instrument pipeline for not dismantling pressure transmitter
On-line testing is carried out to pressure transmitter, the purpose of No leakage verification is reached.
As shown in Fig. 1,4, the pressure transmitter on-bne repair method may include following steps：
S1, the malleation side interface 4 of the on-bne repair system 1 of pressure transmitter and pressure are become by malleation pressure pipeline 2
The positive pressure side for sending pressure transmitter 10 in device system is connected and sealed, and pressure transmitter is existed by negative pressure taking pressure pipeline 3
The negative pressure side interface 5 of line examination and repair system is connected and sealed with the suction side of pressure transmitter in pressure transducer system 10.
S2, suppress verification：The positive pressure side of pressure transmitter 10 is carried out by the pressure device 20 of on-bne repair system 1 adding
Pressure, while the electric signal that pressure device 20 is received and processing pressure transmitter 10 feeds back, obtains corresponding electric current；It is pre- in electric current
If during electric current ± 0.5% scope, completing to suppress verification.
When the electric current that pressure device 20 is obtained exceeds predetermined current ± 0.5% scope, press in adjustment pressure transducer system
Continue to pressurize after the zero point and range of power transmitter 10, until the electric current that pressure device 20 is obtained is in predetermined current ± 0.5% model
In enclosing.For example, the corresponding current of the output of pressure transmitter 10 is 4-20mA, and range is 16mA；Pressure transmitter 10 is pressurizeed
It is 20mA according to the corresponding predetermined current of pressure transmitter 10 during 100Kpa, and pressure device 20 is received and processing pressure pick-up
The electric signal of the feedback of device 10, obtain corresponding electricity for 19.92-20.08mA when, then explanation verification is qualified, if less than 19.92mA or
During higher than 20.08mA, then need to pressurize again.
In addition, according to verification needs, suppressing checking procedure also includes：By the pressure device 20 pairs of on-bne repair system 1
The suction side of pressure transmitter 10 is pressurizeed, while the telecommunications that pressure device 20 is received and processing pressure transmitter 10 feeds back
Number, obtain corresponding electric current.Verification standard of the verification standard that suction side is pressurizeed with reference to positive pressure side.
S3, water-filling exhaust：By the water-filling exhaust apparatus 30 of on-bne repair system 1 by demineralized water from malleation side interface 4 or
The pump of negative pressure side interface 5 is full of pressure transducer system to pressure transducer system, extremely, by the air in pressure transducer system
Water-filling exhaust apparatus 30 is flow back to, on-bne repair is completed.
Generally, as shown in figure 1, pressure transducer system includes pressure transmitter 10, malleation 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 passes through respectively the He of malleation instrument pipeline 11
Negative pressure instrument pipeline 12 is connected with pressure measuring system (needing the systems such as pressure measurement, liquid level including any) is needed, the He of malleation instrument pipeline 11
Negative pressure instrument pipeline 12 is respectively equipped with secondary isolation valve 111,121 with the one end for needing pressure measuring system to be connected, with control pressure pick-up
Device 10 and need the break-make between pressure measuring system；It is also real by balanced valve 13 between malleation instrument pipeline 11 and negative pressure instrument pipeline 12
Existing break-make.Balanced valve 13 is located at secondary isolation valve 111,121 away from the side for needing pressure measuring system.The upper end of pressure transmitter 10 is also
The positive pressure ventilation plug hole 14 and negative pressure exhaust plug hole 15 for connecting with the malleation chamber inside it and vacuum chamber respectively is provided with,
Respectively by venting plug sealing on plug hole；Malleation chamber internal with it respectively is terminated with pressure transmitter 10 and is born
The malleation blowdown plug 16 and negative pressure blowdown plug 17 of pressure chamber.The positive pressure ventilation plug hole 14 of pressure transmitter 10, just
Pressure chamber and malleation 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, vacuum 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 to pressure before verification is suppressed
Transducer system is inflated draining, and the ponding in pressure transducer system is discharged.
Inflatable drainage step may include：By the malleation pressure pipeline 2, positive pressure side of pressure transmitter 10, pressure transmitter 10
The negative pressure instrument pipeline 12, pressure connected on the malleation instrument pipeline 11 of connection, the suction side of pressure transmitter 10 on positive pressure side becomes
The suction side and negative pressure taking pressure pipeline 3 for sending device 10 is sequentially communicated, and forms a loop；By water-filling exhaust apparatus 30 by sky
Air pump entry loop, water-filling exhaust apparatus 30 is drained into by the air for pumping into by the ponding in pressure transducer system.
Malleation pressure pipeline 2 can be by being connected on the positive pressure ventilation plug of pressure transmitter 10 or malleation blowdown plug 16
Connect with 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
Connect with the suction side of pressure transmitter 10 on venting plug or negative pressure blowdown plug 17.
As shown in figure 1, one embodiment of the pressure transformer on-bne repair method of the present invention, comprises the following steps：
S1, the malleation side interface 4 of the on-bne repair system 1 of pressure transmitter and pressure are become by malleation pressure pipeline 2
The positive pressure side for sending device 10 is 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 is connected and sealed with the suction side of pressure transmitter 10.
Before connecting pipeline, by two septums secundum on the malleation instrument pipeline 11 and negative pressure instrument pipeline 12 of pressure transducer system
Close from valve 111,121；Open the balanced valve 13 between malleation 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 arranged on respectively the upper end of pressure transmitter 10
In negative pressure exhaust plug hole 15.
As shown in Figure 1, 2, it is to isolate plug component 6 in any one plug hole (positive pressure ventilation plug hole 14 or negative pressure exhaust
Plug hole 15) on structural representation.Wherein, isolate plug component 6 include be provided with the plug 61 of central passage 60, for arranging
Packing ring 62 between the bottom surface in the one end of plug 61 and plug hole (positive pressure ventilation plug hole 14 or negative pressure exhaust plug hole 15), in
Heart passage 60 is connected with positive pressure ventilation plug hole 14 or negative pressure exhaust plug hole 15.By packing ring 62 by the four of the one end of plug 61
Sealed between week and plug bottom hole face, it is ensured that the central passage 60 in plug 61 is connected with the sealing between plug hole,
The steam vent for avoiding plug hole side is connected with the central passage 60 of plug 61 for isolating plug component 6.The periphery of plug 61 can pass through
Screw thread and plug hole screw-internal thread fit.Packing ring 62 is preferably copper washer, with certain intensity, can bear certain pressure.
Before step S1.1, positive pressure ventilation plug hole 14 and the negative pressure exhaust plug of pressure transmitter 10 will be originally enclosed in
Plug in hole 15 is pulled down.
S1.2, the one end of malleation pressure pipeline 2 is connected on the malleation 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
The one end of line 3 is connected on the negative pressure side interface 5 of on-bne repair system 1, and the other end is connected to the suction side of pressure transmitter 10 and blocks up
On the plug 61 of head bore 15, so as to realize the connection of pressure transmitter 10 and on-bne repair system 1.
With reference to Fig. 1,3, step S1 also includes：
S1.3, inflatable drainage, the ponding in pressure transducer system is discharged, and can be realized by water-filling exhaust apparatus 30.
Specifically, inflatable drainage operation is as follows：Water-filling exhaust apparatus 30 connects air, by negative pressure side interface 5, negative pressure pressure
Pipeline 3, the suction side of pressure transmitter 10, negative pressure instrument pipeline 12, the malleation instrument pipeline 11, malleation of pressure transmitter 10
Side, malleation pressure pipeline 2 and malleation side interface 4 are sequentially communicated, and form an inflatable drainage loop；Water-filling exhaust apparatus 30
Power pump startup 33, pumping air, air by negative pressure side interface 5 enter inflatable drainage loop in, along inflatable drainage return
Road is returned in water-filling exhaust apparatus 30 from malleation side interface 4, and the ponding in Jing pressure transducer systems enters water-filling exhaust apparatus
In 30 waste liquid tank 32.
S2, suppress verification.
Specifically, step S2 may include：
S2.1, by the positive pressure side of pressure device 20, malleation side interface 4, malleation pressure pipeline 2 and pressure transmitter 10 successively
Connection is got up.
By the way that balanced valve 13 to be closed the malleation instrument pipeline 11 and suction side that make to connect on the positive pressure side of pressure transmitter 10
The negative pressure instrument pipeline 12 of upper connection completely cuts off.Furthermore it is ensured that the malleation side interface 4 and negative pressure side interface 5 of on-bne repair system 1 it
It is separated, do not connect.
S2.2, pressure device 20 start, by malleation side interface 4 and malleation pressure pipeline 2 to pressure transmitter 10 just
Pressurizeed 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.
During pressurization, to pressure device 20, pressure device 20 will by its universal meter for the electric signal of the feedback of pressure transmitter 10
Process the electric current for obtaining to show.Electric current according to showing is compared with predetermined current, judges the verification of this time pressurization and is
It is no qualified；If unqualified, continue to pressurize after the zero point and range that adjust pressure transmitter 10, until the electricity that pressure device 20 is obtained
Stream is in the range of predetermined current ± 0.5%.
Further, step S2 also includes the suction side pressurization verification to pressure transmitter 10.Operation is as follows：Dress will be suppressed
The connection of 20, negative pressure side interface 5 is put, pressure device 20 is disconnected with malleation side interface 4, negative pressure side interface 5 and malleation side joint
Mouth 4 disconnects；Pressure device 20 starts, and the suction side of pressure transmitter 10 is entered by negative pressure side interface 5 and negative pressure taking pressure pipeline 3
Row pressurization.
After the completion of suppressing verification, release pressure device 20 or completely cut off pressure device 20 and water-filling exhaust apparatus 30, to enter
The follow-up water-filling steps of exhausting of row.
S3, water-filling exhaust.
Specifically, step S3 may include：
S3.1, by the desalination water pot 31 of water-filling exhaust apparatus 30, malleation side interface 4, malleation pressure pipeline 2, pressure inverting
Connect on the malleation instrument pipeline 11 that connects on the positive pressure side of device 10, the positive pressure side of pressure transmitter 10, the suction side of pressure transmitter 10
The negative pressure instrument pipeline 12, suction side of pressure transmitter 10, negative pressure taking pressure pipeline 3, negative pressure side interface 5 and the water-filling exhaust dress for connecing
The waste liquid tank 32 for putting 30 is sequentially communicated, and forms a loop.
Demineralized water in desalination water pot 31 can enter entry loop in the case where kinetic pump 33 drives, and after circulating wherein waste liquid tank is returned
32。
S3.2, the kinetic pump 33 of water-filling exhaust apparatus 30 start, and extract the demineralized water of desalination water pot 31, and demineralized water is by just
Pressure side interface 4 enters in entry loop, until being full of loop, unnecessary demineralized water is by negative pressure taking pressure pipeline 3 and the row of negative pressure side interface 5
To waste liquid tank 32.
Wherein, when demineralized water is full of loop, the air in loop is discharged to waste liquid tank 32, no longer steams to waste liquid tank 32
Bubble, illustrates that exhaust is finished.
S3.3, malleation pressure pipeline 2 and negative pressure taking pressure pipeline 3 are pulled down from pressure transmitter 10, respectively become pressure
The positive pressure ventilation plug hole 14 and negative pressure exhaust plug hole 15 for sending device 10 blocks, and completes water-filling exhaust.
Further, pressure measurement system is needed when the malleation instrument pipeline 11 and negative pressure instrument pipeline 12 of pressure transducer system connect
When pipeline section between one end of system and secondary isolation valve 111,121 has air, need also exist for carrying out water-filling exhaust, water-filling row
Gas operation was carried out before step S3.3.The water-filling bleeding can carry out draining to arrange by needing pressure measuring system to the pipeline section
Gas, it is also possible to which water-filling exhaust is carried out by on-bne repair system 1.
Water-filling exhaust is carried out to the pipeline section of malleation gauge pipe line 11 by on-bne repair system 1, is operated as follows：Malleation side joint
Mouthfuls 4 are sequentially communicated by the positive pressure side of malleation pressure pipeline 2 and pressure transmitter 10, malleation instrument pipeline 11, opening malleation instrument
Secondary isolation valve 111 on table pipeline 11, connects malleation instrument pipeline 11 and needs pressure measuring system；The power of water-filling exhaust apparatus 30
Pump startup, extracts demineralized water, and demineralized water Jing kinetic pumps 33 flow through the malleation pressure pipeline 2, positive pressure side of pressure transmitter 10 and just
Pressure instrument pipeline 11, being entered by the secondary isolation valve 111 on malleation instrument pipeline 11 needs pressure measuring system, so as to by malleation instrument
Bubble in pipeline 11 is entered and needed inside pressure measuring system.
Water-filling exhaust is carried out to the pipeline section of negative pressure instrument pipeline 12 by on-bne repair system 1, malleation gauge pipe is can refer to
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 entered and needed inside pressure measuring system.
In the case that system is impermissible for air inlet, need from needing in pressure measuring system draining to on-bne repair system 1, with
Discharge malleation instrument pipeline 11 and the air in negative pressure instrument pipeline 12.Operation is as follows：Open two on malleation instrument pipeline 11
Secondary isolating valve 111, makes to need the water in pressure measuring system to flow through the malleation instrument pipeline 11, positive pressure side of pressure transmitter 10, malleation to take
Pressure pipeline 2 and malleation side interface 4 are entered in the waste liquid tank 32 of water-filling exhaust apparatus 30；Open secondary on negative pressure instrument pipeline 12
Isolating valve 121, makes to need the water in pressure measuring system to flow through the negative pressure instrument pipeline 12, suction side of pressure transmitter 10, negative pressure pressure
Pipeline 3 and negative pressure side interface 5 are entered in the waste liquid tank 32 of water-filling exhaust apparatus 30.
As shown in figure 3, another embodiment of the pressure transformer on-bne repair method of the present invention, comprises the following steps：
S1, the malleation side interface 4 of the on-bne repair system 1 of pressure transmitter and pressure are become by malleation pressure pipeline 2
The positive pressure side for sending device 10 is 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 is connected and sealed with the suction side of pressure transmitter 10.
Before connecting pipeline, by two septums secundum on the malleation instrument pipeline 11 and negative pressure instrument pipeline 12 of pressure transducer system
Close from valve 111,121；Open the balanced valve 13 between malleation instrument pipeline 11 and negative pressure instrument pipeline 12.
Specifically, step S1 includes：
S1.1, the one end of malleation pressure pipeline 2 is connected on the malleation side interface 4 of on-bne repair system 1, other end connection
On the malleation blowdown plug 16 of pressure transmitter 10；Malleation pressure pipeline 2 is by malleation blowdown plug 16 and pressure transmitter
10 malleation instrument pipeline 11 is connected.
S1.2, the one end of negative pressure taking pressure pipeline 3 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 is by negative pressure blowdown plug 17 and pressure transmitter
10 negative pressure instrument pipeline 12 is connected.
The order that step S1.1 and S1.2 are successively carried out is not limited, and realizes pressure transmitter 10 and on-bne repair system 1
Connection.
Step S1 also includes：
S1.3, inflatable drainage, the ponding in pressure transducer system is discharged, and can be realized by water-filling exhaust apparatus 30.
Specifically, inflatable drainage operation is as follows：Water-filling exhaust apparatus 30 connects air, 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, malleation instrument pipeline 11, pressure transmitter 10
Malleation blowdown plug 16, malleation pressure pipeline 2 and malleation side interface 4 be sequentially communicated, form an inflatable drainage loop；
The kinetic pump 33 of water-filling exhaust apparatus 30 starts, pumping air, and air is entered in inflatable drainage loop by negative pressure side interface 5,
Return in water-filling exhaust apparatus 30 from malleation side interface 4 along inflatable drainage loop, the ponding row in Jing pressure transducer systems
Enter in the waste liquid tank 32 of water-filling exhaust apparatus 30.
For the draining of the malleation chamber in pressure transmitter 10 and vacuum chamber, can unclamp respectively on pressure transmitter 10
The positive pressure ventilation plug 18 and negative pressure exhaust plug 19 at end so that the ponding of malleation chamber and vacuum chamber is discharged.
S2, suppress verification.
Specifically, step S2 may include：
S2.1, by the positive pressure side of pressure device 20, malleation side interface 4, malleation pressure pipeline 2 and pressure transmitter 10 successively
Connection is got up；By the way that balanced valve 13 to be closed the malleation instrument pipeline 11 and suction side that make to connect on the positive pressure side of pressure transmitter 10
The negative pressure instrument pipeline 12 of upper connection completely cuts off.Furthermore it is ensured that the malleation side interface 4 and negative pressure side interface 5 of on-bne repair system 1 it
It is separated, do not connect.
S2.2, pressure device 20 start, by malleation side interface 4 and malleation pressure pipeline 2 to pressure transmitter 10 just
Pressurizeed pressure side.The pressure size of pressurization is adjusted according to corresponding pressure transmitter 10.
During pressurization, to pressure device 20, pressure device 20 will by its universal meter for the electric signal of the feedback of pressure transmitter 10
Process the electric current for obtaining to show.Electric current according to showing is compared with predetermined current, judges the verification of this time pressurization and is
It is no qualified；If unqualified, continue to pressurize after the zero point and range that adjust pressure transmitter 10, until the electricity that pressure device 20 is obtained
Stream is in the range of predetermined current ± 0.5%.
Further, step S2 also includes the suction side pressurization verification to pressure transmitter 10.Operation is as follows：Dress will be suppressed
The connection of 20, negative pressure side interface 5 is put, pressure device 20 is disconnected with malleation side interface 4, negative pressure side interface 5 and malleation side joint
Mouth 4 disconnects；Pressure device 20 starts, and the suction side of pressure transmitter 10 is entered by negative pressure side interface 5 and negative pressure taking pressure pipeline 3
Row pressurization.
After the completion of suppressing verification, release pressure device 20 or completely cut off pressure device 20 and water-filling exhaust apparatus 30, to enter
The follow-up water-filling steps of exhausting of row.
S3, water-filling exhaust.
Specifically, step S3 may include：
S3.1, by the desalination water pot 31 of water-filling exhaust apparatus 30, malleation side interface 4, malleation pressure pipeline 2, pressure inverting
The malleation instrument pipeline 11, pressure transmitter 10 connected on the malleation blowdown plug 16 of device 10, the positive pressure side of pressure transmitter 10 is negative
The negative pressure blowdown plug 17, negative pressure taking pressure pipeline 3, suction side of the negative pressure instrument pipeline 12, pressure transmitter 10 connected on pressure side
The waste liquid tank 32 of interface 5 and water-filling exhaust apparatus 30 is sequentially communicated, and forms a loop.
Demineralized water in desalination water pot 31 can enter entry loop in the case where kinetic pump 33 drives, and after circulating wherein waste liquid tank is returned
32。
S3.2, the kinetic pump 33 of water-filling exhaust apparatus 30 start, and extract the demineralized water of desalination water pot 31, and demineralized water is by just
Pressure side interface 4 enters entry loop, until being full of loop.
S3.3, the positive pressure ventilation plug 18 and negative pressure exhaust plug 19 of turning on pressure transmitter 10, demineralized water is in loop
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.
Drained into waste liquid tank 32 by negative pressure taking pressure pipeline 3 and negative pressure side interface 5 by the unnecessary demineralized water in loop.When
The no longer effervescent of waste liquid tank 32, illustrates that exhaust is finished.
S3.4, respectively by malleation pressure pipeline 2 and negative pressure taking pressure pipeline 3 from the malleation blowdown plug 16 of pressure transmitter 10
With pull down on negative pressure blowdown plug 17, complete water-filling exhaust.
Further, pressure measurement system is needed when the malleation instrument pipeline 11 and negative pressure instrument pipeline 12 of pressure transducer system connect
When pipeline section between one end of system and secondary isolation valve 111,121 has air, need also exist for carrying out water-filling exhaust, water-filling row
Gas operation was carried out before step S3.3.The water-filling bleeding can carry out draining to arrange by needing pressure measuring system to the pipeline section
Gas, it is also possible to which water-filling exhaust is carried out by on-bne repair system 1.
Water-filling exhaust is carried out to the pipeline section of malleation gauge pipe line 11 by on-bne repair system 1, is operated as follows：Malleation side joint
Mouthfuls 4 are sequentially communicated by the malleation blowdown plug 16 of malleation pressure pipeline 2 and pressure transmitter 10, malleation instrument pipeline 11, are beaten
The secondary isolation valve 111 on malleation instrument pipeline 11 is driven, malleation instrument pipeline 11 is connected and is needed pressure measuring system；Water-filling exhaust apparatus
30 kinetic pump 33 starts, and extracts demineralized water, and demineralized water Jing kinetic pumps 33 flow through malleation pressure pipeline 2, pressure transmitter 10
Malleation blowdown plug 16 and malleation instrument pipeline 11, being entered by the secondary isolation valve 111 on malleation instrument pipeline 11 needs pressure measurement
System, needs inside pressure measuring system so as to the bubble in malleation instrument pipeline 11 be entered.
Water-filling exhaust is carried out to the pipeline section of negative pressure instrument pipeline 12 by on-bne repair system 1, malleation gauge pipe is can refer to
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 entered and needed inside pressure measuring system.
In the case that system is impermissible for air inlet, need from needing in pressure measuring system draining to on-bne repair system 1, with
Discharge malleation instrument pipeline 11 and the air in negative pressure instrument pipeline 12.Operation is as follows：Open two on malleation instrument pipeline 11
Secondary isolating valve 111, makes the malleation blowdown plug for needing the water in pressure measuring system to flow through malleation instrument pipeline 11, pressure transmitter 10
16th, malleation pressure pipeline 2 and malleation side interface 4 are entered in the waste liquid tank 32 of water-filling exhaust apparatus 30；Open negative pressure instrument pipeline
Secondary isolation valve 121 on 12, arranges the negative pressure for needing the water in pressure measuring system to flow through negative pressure instrument pipeline 12, pressure transmitter 10
Dirty plug 17, negative pressure taking pressure pipeline 3 and negative pressure side interface 5 are entered in the waste liquid tank 32 of water-filling exhaust apparatus 30.
The on-bne repair system of the pressure transmitter of the present invention, can be used to realize above-mentioned pressure transmitter on-bne repair.
With reference to shown in Fig. 1,4 and Fig. 3, one embodiment of the invention on-bne repair system 1 includes malleation side interface 4 and negative pressure side interface 5, uses
In the malleation pressure pipeline 2 being connected between the positive pressure side of malleation side interface 4 and pressure transmitter 10, for being connected to suction side
Negative pressure taking pressure pipeline 3 between the suction side of interface 5 and 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 is included for filling the desalination water pot 31 of demineralized water, waste liquid tank 32, by malleation side interface
4 and the pipeline connected with 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 with pipeline.It is additionally provided with pipeline and is connected with ambient atmosphere
Air interface 35, and the break-make of isolating valve control pipeline and ambient atmosphere is provided with air interface 35.
Additionally, several isolating valves are also distributed with pipeline, realize respectively between malleation side interface 4 and negative pressure side interface 5, just
Between pressure side interface 4 and verification interface, between negative pressure side interface 5 and verification interface, between kinetic pump and malleation side interface 4, move
Break-make between power pump and negative pressure side interface 5 etc..
Further, as shown in figure 1, on-bne repair system 1 also includes and malleation pressure pipeline 2 and negative pressure taking pressure pipeline 3
The isolation plug component 6 of cooperation, for installed in the positive pressure ventilation plug hole 14 and negative pressure exhaust plug hole of pressure transmitter 10
In 15, connecting for malleation pressure pipeline 2 and the positive pressure side of pressure transmitter 10, and negative pressure taking pressure pipeline 3 and pressure are realized respectively
The connection of the suction side of transmitter 10.
In the present embodiment, as shown in Fig. 2 isolation plug component 6 include be provided with the plug 61 of central passage 60, for arranging
In the packing ring 62 of the one end of plug 61.When on plug hole (positive pressure ventilation plug hole 14 or negative pressure exhaust plug hole 15), plug 61
In fitting snugly in plug hole, packing ring 62 is arranged between plug bottom hole face and the one end of plug 61, by the surrounding of the one end of plug 61
Sealed between plug bottom hole face, it is ensured that the central passage 60 in plug 61 is connected with the sealing between plug hole, and
The steam vent for avoiding plug hole side is connected by plug hole with central passage 60.
The periphery of plug 61 can be by screw thread and plug hole screw-internal thread fit.Packing ring 62 is preferably copper washer, with certain
Intensity, can bear certain pressure.
Preferably, malleation side interface 4, negative pressure side interface 5, pressure device 20 and water-filling exhaust apparatus 30 are integrated in a machine
On frame, formed an entirety equipment, one realize to pressure transmitter 10 suppress verification and pressure transmitter 10 be located
The water-filling exhaust of pressure transducer system.
To sum up, pressure transmitter on-bne repair method of the invention and on-bne repair system, can be not required to dismantle pressure change
Pressure transmitter is carried out in the case of sending the instrument pipeline on device suppress verification, the unfailing performance of instrument pipeline is effectively ensured,
Reduce the fault rate of pressure transmitter, it is to avoid unit adjustment state meets pressure transmitter the occurrence of overhaul, and improves
The power generation performance of unit, prevents the radiating medium in pressure transmitter from revealing to surrounding environment, and the personnel that eliminate are stain, equipment
Contamination, the risk of environmental contamination, reduce the generation of nuke rubbish, safe and easy to operate, shorten the maintenance of pressure transmitter
Time.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (13)
1. a kind of pressure transmitter on-bne repair method, it is characterised in that comprise the following steps：
S1, by malleation pressure pipeline by the malleation 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 is connected and sealed with the suction side of pressure transformer in pressure transducer system；
S2, suppress verification：The positive pressure side of the pressure transmitter is carried out by the pressure device of the on-bne repair system adding
Pressure, while the pressure device receives and process the electric signal of the pressure transmitter feedback, obtains corresponding electric current；Described
When electric current is predetermined current ± 0.5% scope, complete to suppress verification；
S3, water-filling exhaust：By the water-filling exhaust apparatus of the on-bne repair system by demineralized water from malleation side interface or negative pressure
Side interface pump is full of the pressure transducer system to the pressure transducer system, extremely, by the pressure transducer system
Interior air flows back to the water-filling exhaust apparatus.
2. pressure transmitter on-bne repair method according to claim 1, it is characterised in that step S1 includes：
S1.1, the positive pressure ventilation that two groups of isolation plug components are arranged on respectively pressure transmitter upper end in pressure transducer system
In plug hole and negative pressure exhaust plug hole；It is described isolation plug component include be provided with the plug of central passage, for being arranged on
State the packing ring 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, malleation pressure pipeline one end is connected on the malleation 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
Send on the plug in suction side plug hole of device.
3. pressure transmitter on-bne repair method according to claim 2, it is characterised in that step S2 includes：
S2.1, the positive pressure side of the pressure device, malleation side interface, malleation pressure pipeline and pressure transmitter is sequentially communicated
Come；What is connected on the malleation instrument pipeline connected on the pressure transmitter positive pressure side and the suction side of the pressure transmitter is negative
The pipeline isolation of pressure instrument；
S2.2, the pressure device start, by the malleation side interface and malleation pressure pipeline to the pressure transmitter
Positive pressure side is pressurizeed.
4. pressure transmitter on-bne repair method according to claim 2, it is characterised in that before step S3, releases institute
State pressure device or completely cut 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, malleation side interface, malleation pressure pipeline, pressure transmitter just
The negative pressure instrument connected on the malleation instrument pipeline of connection, the suction side of pressure transmitter on pressure side, pressure transmitter positive pressure side
The waste liquid tank of pipeline, the suction side of pressure transmitter, negative pressure taking pressure pipeline, negative pressure side interface and the water-filling exhaust apparatus is successively
Connection is got up, and forms a loop；
The power pump startup of S3.2, the water-filling exhaust apparatus, extracts the demineralized water of the desalination water pot, and the demineralized water passes through
The malleation side interface is entered in the loop, until being full of the loop, unnecessary demineralized water is by the negative pressure pressure pipe
Line and negative pressure side interface are drained into the waste liquid tank；
S3.3, the malleation pressure pipeline and negative pressure taking pressure pipeline are pulled down from the pressure transmitter, respectively by the pressure
The positive pressure ventilation plug hole of power transmitter and negative pressure exhaust plug hole block.
5. pressure transmitter on-bne repair method according to claim 1, it is characterised in that step S1 includes：
S1.1, malleation pressure pipeline one end is connected on the malleation side interface of the on-bne repair system, the other end is connected to
In pressure transducer system on the malleation 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.
6. pressure transmitter on-bne repair method according to claim 5, it is characterised in that step S2 includes：
S2.1, the positive pressure side of the pressure device, malleation side interface, malleation pressure pipeline and pressure transmitter is sequentially communicated
Come；What is connected on the malleation instrument pipeline connected on the pressure transmitter positive pressure side and the suction side of the pressure transmitter is negative
The pipeline isolation of pressure instrument；
S2.2, the pressure device start, by the malleation side interface and malleation pressure pipeline to the pressure transmitter
Positive pressure side is pressurizeed.
7. pressure transmitter on-bne repair method according to claim 5, it is characterised in that before step S3, releases institute
State pressure device or completely cut 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, malleation side interface, malleation pressure pipeline, pressure transmitter just
What is connected on the malleation instrument pipeline of connection, the suction side of pressure transmitter on pressure dirt plug, pressure transmitter positive pressure side is negative
Pressure 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, formed a loop；
The power pump startup of S3.2, the water-filling exhaust apparatus, extracts the demineralized water of the desalination water pot, and the demineralized water passes through
The malleation side interface enters the loop, until being full of the loop；
S3.3, the positive pressure ventilation plug and negative pressure exhaust plug of turning on pressure transmitter, demineralized water is in the loop internal cause negative pressure
The positive pressure side and suction side of pressure transmitter are filled to, 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 into by the negative pressure taking pressure pipeline and negative pressure side interface by the unnecessary demineralized water in the loop
It is interior；
S3.4, respectively by the malleation pressure pipeline and negative pressure taking pressure pipeline from the malleation blowdown plug of the pressure transmitter and
Pull down on negative pressure blowdown plug.
8. the pressure transmitter on-bne repair method according to any one of claim 1-7, it is characterised in that the online inspection
It is further comprising the steps of before step S2 in repairing method：
Inflatable drainage：By positive pressure side, the pressure transmitter of pressure transmitter in the malleation pressure pipeline, pressure transducer system
The malleation instrument pipeline that connects on positive pressure side, the negative pressure instrument pipeline that connects on pressure transmitter suction side, pressure transmitter
Suction side and negative pressure taking pressure pipeline are sequentially communicated, and form a loop；Pumped air into by the water-filling exhaust apparatus
The loop, the water-filling exhaust apparatus is drained into by the air for pumping into by the ponding in the pressure transducer system.
9. the pressure transmitter on-bne repair method according to any one of claim 1-7, it is characterised in that in step S2,
When the electric current that the pressure device is obtained exceeds predetermined current ± 0.5% scope, adjust pressure in the pressure transducer system and become
To send continue after the zero point and range of device and pressurize, until the electric current that the pressure device is obtained is in the range of predetermined current ± 0.5%.
10. the pressure transmitter on-bne repair method according to any one of claim 1-7, it is characterised in that in step S2,
Also include：By suction side of the pressure device of the on-bne repair system to pressure transmitter in the pressure transducer system
Pressurizeed, while the pressure device receives and process the electric signal of the pressure transmitter feedback, obtained corresponding electric current.
The on-bne repair system of 11. a kind of pressure transmitters, it is characterised in that including malleation side interface and negative pressure side interface, use
In the malleation pressure pipeline being connected between the malleation side interface and the positive pressure side of pressure transmitter, described negative for being connected to
Negative pressure taking pressure pipeline between 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 is included for filling the desalination water pot of demineralized water, waste liquid tank, by the malleation side interface and negative pressure
Pipeline that side interface is connected with 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.
12. on-bne repair systems according to claim 11, it is characterised in that the malleation side interface, negative pressure side interface,
Pressure device and water-filling exhaust apparatus are integrated in a frame.
The 13. on-bne repair systems according to claim 11 or 12, it is characterised in that the on-bne repair system also includes
With the malleation pressure pipeline and the cooperation of negative pressure taking pressure pipeline, the positive pressure ventilation plug hole for being arranged on pressure transformer or negative
Isolation plug component on pressure venting plug hole；
The isolation plug component includes being provided with the plug of central passage, the packing ring for being arranged on described plug one end.
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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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| CN108362436A (en) * | 2018-05-22 | 2018-08-03 | 三门核电有限公司 | A kind of Pressure and Difference Pressure Transmitter Response Time Test System and method |
| CN113483946A (en) * | 2021-06-01 | 2021-10-08 | 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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| CN113483946A (en) * | 2021-06-01 | 2021-10-08 | 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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| CN106644254B (en) | 2019-10-25 |
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