CN110136854A - A kind of reactor coolant pump water test unit - Google Patents
A kind of reactor coolant pump water test unit Download PDFInfo
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- CN110136854A CN110136854A CN201910459768.8A CN201910459768A CN110136854A CN 110136854 A CN110136854 A CN 110136854A CN 201910459768 A CN201910459768 A CN 201910459768A CN 110136854 A CN110136854 A CN 110136854A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/001—Mechanical simulators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
A kind of reactor coolant pump water test unit is arranged the first sealing rubber ring, the second sealing rubber ring on the first sealing partition, and is installed on the first pressure testing pressing plate, then be fixed in below reactor coolant pump pump case with the first turnbuckle；In the upper surface of reactor coolant pump pump case, sucking flange is set, and using welded connecting, the 5th sealing rubber ring, the 6th sealing rubber ring are set on third sealing partition, and are installed on third pressure testing pressing plate, then is fixed on sucking flange with third turnbuckle, the second nut；Discharge flange is set on the right side of reactor coolant pump pump case, and using being welded to connect, third sealing rubber ring, the 4th sealing rubber ring are set on the second sealing partition, and be installed on the second pressure testing pressing plate.The inventive structure is simple, is convenient to mount and dismount, novel in design, easy to process, wide adaptability, highly-safe to the product water pressure test in terms of high pressure, super-pressure, is applied in reactor coolant pump technical field.
Description
Technical field
The present invention relates to one of reactor coolant pump technical field reactor coolant pump water test unit, tools
Body say be a kind of reactor coolant pump pump case water test unit for needing to bear high pressure design.
Background technique
Currently, reactor coolant pump is a kind of canned motor pump to work under the operating condition of high temperature and pressure, pump case is its product
In core component, the intensity and leakproofness of pump case needs to verify by the water pressure test.Design tightly with bolt when find
The bolt of 30 M42 of existing pump case needs could tense the maximum pressure of blance test, but the intrinsic screw thread hole number of existing pump case
Only 24, less than bolt quantity needed for pressure testing device, if according to intrinsic threaded hole quantitative design water test unit, existing
The allowable stress for the bolt material for having design device to allow is again not enough, that is, 24 bolts cannot bear the water pressure test
Pressure is unable to complete the water pressure test.Therefore a kind of always domestic and international colleague of reactor coolant pump water test unit is researched and developed
Industry new issue anxious to be resolved.
Summary of the invention
The purpose of the present invention is to provide a kind of reactor coolant pump water test unit, the invention is in order to improve hydraulic pressure
Experimental rig designing technique meets the needs of high-voltage product water pressure test, is applicable to the water pressure test of high-pressure pump class product
Work has developed new construction, new, high efficiency adaptation reactor coolant pump pump case water test unit, enables pump case
Enough successes of the water pressure test under high pressure, the water test unit are suitable for bearing the water pressure test occasion of the pump case of high temperature and pressure,
The safety of high pressure resistant component and the verifyings of leakproofness such as pump case are completed, feature is chamber pressure without excessively by turnbuckle
It undertakes, when carrying out high water pressure test, seals and form gap between partition and pressure testing pressing plate, sealed by sealing rubber ring,
When carrying out high water pressure test, the outside high pressure in inner cavity generates an inward pressure by sealing partition, and it is outside to offset part
High pressure, meet bolt quantity not enough, tense hypodynamic demand.
The object of the present invention is achieved like this: a kind of reactor coolant pump water test unit, including first tenses
Bolt, the first sealing partition, the first pressure testing pressing plate, the first sealing rubber ring, the second sealing rubber ring, discharge flange, second tense spiral shell
Bolt, the first nut, the second pressure testing pressing plate, second sealing partition, third sealing rubber ring, the 4th sealing rubber ring, third turnbuckle,
Second nut, third pressure testing pressing plate, third sealing partition, the 5th sealing rubber ring, the 6th sealing rubber ring, sucking flange, the first pressure
Power table, throttle valve, high pressure resistant water pipe, second pressure gauge, water pressure machine, first sealing partition on be arranged the first sealing rubber ring,
Second sealing rubber ring, and be installed on the first pressure testing pressing plate, then be fixed in reactor cooling with the first turnbuckle 1
Agent pumps below pump case；Sucking flange is set in the upper surface of reactor coolant pump pump case, and using welded connecting, it is close in third
It insulates and the 5th sealing rubber ring, the 6th sealing rubber ring is set on plate, and be installed on third pressure testing pressing plate, then tensed with third
Bolt, the second nut are fixed on sucking flange；Discharge flange is set on the right side of reactor coolant pump pump case, and is adopted
With welded connecting, third sealing rubber ring, the 4th sealing rubber ring are set on the second sealing partition, and are installed in the second pressure testing
On pressing plate, then it is fixed on discharge flange with the second turnbuckle, the first nut；One end of high pressure resistant water pipe and the second examination
Pressing plate connection is pressed, first pressure gauge, throttle valve, second pressure gauge, the other end of high pressure resistant water pipe are set on high pressure resistant water pipe
It is connect with water pressure machine；
In two side interface of reactor coolant pump pump case, pump case sucks flange, spues for the sucking flange, discharge flange welding
It is consistent that flange lower part large end face blocks form, therefore only at large end face；Wherein the first sealing partition is placed in the first pressure testing pressure
It is separated in plate with pump case, cooperates two first sealing rubber rings, the second sealing rubber ring, fastened and connected with the first turnbuckle, remaining
It is identical at two, interior formation closed cavity is pumped, then connect hydraulic test pressure machine with high pressure resistant water pipe, hydraulic pressure examination is carried out to pump case
It tests；
The first turnbuckle quantity is fixed, and pulling force is not able to satisfy test pressure and needs and cannot be replaced with high-grade material
Generation；The first pressure testing pressing plate bears high pressure, tenses by the first turnbuckle；First sealing rubber ring, the second sealing
Cushion rubber is dedicated high pressure resistant cushion rubber, seals the first pressure testing pressing plate function；The first sealing partition is placed in the first pressure testing pressing plate
Interior survey pumps pump case inner cavity by the first sealing rubber ring, 5 capping reactor coolant of the second sealing rubber ring；
The water pressure machine is connect by high pressure resistant water pipe with the second pressure testing pressing plate, is added for the water filling of reactor coolant pump pump case
Pressure；The first pressure gauge, second pressure gauge are connected with the second pressure testing pressing plate and water pressure machine respectively, for monitoring both ends
Pressure value；The throttle valve 21 can prevent water return pressure in reactor coolant pump pump case from reducing after closing；
The sucking flange, discharge flange both ends are identical as reactor coolant pump pump case big end experimental rig structure；
A kind of working principle of reactor coolant pump water test unit is that suction side, discharge end, reactor are cooling
Agent pumps at pump case big end three after water test unit assembly, by water pressure machine and high pressure resistant water in reactor coolant pump pump case
Pipe water filling pressurization, the first pressure testing pressing plate in pressure testing by water from water pressure machine to reactor coolant pump pump case from inside to outside
High pressure thrust W1, and what the first turnbuckle on the first pressure testing pressing plate was subject to is drawn into reactor coolant pump pump case A
The total pulling force W2 of tight first pressure testing pressing plate is wanted because thrust W1 from inside to outside is greater than the first inside turnbuckle total pulling force W2
Guarantee that the water pressure test of reactor coolant pump pump case carries out, it is necessary to which an inward pressure carrys out balancing water pressure；First sealing every
The effect of plate is exactly in the water pressure test, and the first sealing partition is by sideways pressure P1, when test pressure reaches certain journey
When spending, gap is generated between the first sealing partition and the first pressure testing pressing plate, at this moment the first pressure testing pressing plate pressure downward by water
P2, while the thrust P3 that the gap between the first pressure testing pressing plate and reactor coolant pump pump case A is upward by water, because of sealing
The difference of diameter, P2 are greater than P3, so the first pressure testing pressing plate generates downward pressure P0, form self-tightening, cooperate the first sealant
Circle, the second sealing rubber ring capping reactor coolant pump pump case inner cavity；
A kind of use of reactor coolant pump water test unit and operating method are the first pressure testing pressing plates
High pressure thrust W1 in pressure testing by water from water pressure machine to reactor coolant pump pump case from inside to outside, and the first pressure testing
That the first turnbuckle on pressing plate is subject to is the total pulling force W2 that the first pressure testing pressing plate is tensed into reactor coolant pump pump case,
When thrust W1 from inside to outside is less than or equal to the first inside turnbuckle total pulling force W2, reactor coolant pump just can guarantee
The pump case water pressure test carries out；When W1 is greater than W2, it is necessary to which an inward pressure carrys out balancing water pressure；The first sealing partition
Be placed in the first pressure testing pressing plate and survey, separate the first pressure testing pressing plate and reactor coolant pump pump case, first seal partition by
The pressure P1 of side generates gap between the first sealing partition and the first pressure testing pressing plate, at this moment when pressure reaches a certain level
The first sealing partition pressure P2 downward by water, at the same between the first sealing partition and reactor coolant pump pump case also by
The upward thrust P3 of water, because P2 is greater than P3, the first pressure testing pressing plate generates downward pressure P0, forms self-tightening, cooperation the
One sealing rubber ring, the second sealing rubber ring capping reactor coolant pump pump case inner cavity；The water pressure machine passes through high pressure resistant water pipe
It is connect, is filled the water for reactor coolant pump pump case and by reactor coolant pump pump case with the second pressure testing pressing plate with G3/4 pipe screw thread
Interior air excludes clean, water pressure machine starting, and pressurization, pressure maintaining be until reach maximum hydraulic test pressure value in five times, by the
One pressure gauge, second pressure gauge reading numerical values；Throttle valve is turned off manually when pressure reaches maximum test pressure, prevents reactor
Water is back to water pressure machine in coolant pump pump case, prevents pressure reduction；Throttle valve is opened after the water pressure test, passes through hydraulic pressure
Power machine be again split into five pressure releases, pressure maintaining until hydraulic pressure pressure be zero, pass through first pressure gauge, second pressure gauge reading numerical values.
The structure of the invention for being characterized by it, working principle and use operating method.
A kind of reactor coolant pump water test unit compared with prior art, has that structure is simple, moderate dimensions, dress
Tear convenience, novel in design, easy to process, wide adaptability open, it is highly-safe to the product water pressure test in terms of high pressure, super-pressure, lead to
The mismatch between research of technique solution thrust of the high water pressure test from water and turnbuckle pulling force is crossed, is solved due to pulling force
The high-grade material that big turnbuckle is not available, is effectively ensured the reliability of product, technology is applied as subsequent product
Manufacture do a sufficient technological reserve, also product, which dominates the market, provides safeguard, solve high-voltage product water pressure test problem, for
Family provides that technologically advanced, performance is stable, the product of reliable in quality lays the foundation etc. a little, and it is cooling will to be widely used in reactor
In agent pump technical field.
Detailed description of the invention
The following describes the present invention in detail with reference to the accompanying drawings and embodiments.
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the portion the I enlarged drawing of Fig. 1.
Specific embodiment
Referring to attached drawing, a kind of reactor coolant pump water test unit, including the sealing of the first turnbuckle 1, first every
Plate 2, the first pressure testing pressing plate 3, the first sealing rubber ring 4, the second sealing rubber ring 5, discharge flange 6, the second turnbuckle 7, the first spiral shell
Female 8, second pressure testing pressing plate 9, second seals partition 10, third sealing rubber ring 11, the 4th sealing rubber ring 12, third turnbuckle
13, the second nut 14, third pressure testing pressing plate 15, third sealing partition 16, the 5th sealing rubber ring 17, the 6th sealing rubber ring 18, suction
Enter flange 19, first pressure gauge 20, throttle valve 21, high pressure resistant water pipe 22, second pressure gauge 23, water pressure machine 24, it is close first
First sealing rubber ring 4, the second sealing rubber ring 5 are set on packing plate 2, and are installed on the first pressure testing pressing plate 3, then with first
Turnbuckle 1 is fixed in below reactor coolant pump pump case A；It is arranged in the upper surface of reactor coolant pump pump case A
Flange 19 is sucked, and using being welded to connect, the 5th sealing rubber ring 17, the 6th sealing rubber ring are set on third sealing partition 16
18, and be installed on third pressure testing pressing plate 15, then be fixed in inhalation with third turnbuckle 13, the second nut 14
On orchid 19；Discharge flange 6 is set on the right side of reactor coolant pump pump case A, and using being welded to connect, seals partition second
Third sealing rubber ring 11, the 4th sealing rubber ring 12 are set on 10, and are installed on the second pressure testing pressing plate 9, then is drawn with second
Tight bolt 7, the first nut 8 are fixed on discharge flange 6；One end of high pressure resistant water pipe 22 is connect with the second pressure testing pressing plate 9,
On high pressure resistant water pipe 22 be arranged first pressure gauge 20, throttle valve 21, second pressure gauge 23, the other end of high pressure resistant water pipe 22 with
Water pressure machine 24 connects.
The sucking flange 19, discharge flange 6 are welded in two side interface of reactor coolant pump pump case, pump case inhalation
Orchid 19,6 lower part large end face of discharge flange closure form are consistent, therefore only at large end face；Wherein the first sealing partition 2 is placed in
It is separated in first pressure testing pressing plate 3 with pump case, cooperates two first sealing rubber rings 4, the second sealing rubber ring 5, with the first turnbuckle 1
Fasten connection, remaining is identical at two, pump in form closed cavity, then with high pressure resistant water pipe 22 connection hydraulic test pressure machine 24,
The water pressure test is carried out to pump case.
First turnbuckle, 1 quantity is fixed, and pulling force is not able to satisfy test pressure and needs and cannot use high-grade material
Material substitution；The first pressure testing pressing plate 3 bears high pressure, tenses by the first turnbuckle 1；First sealing rubber ring 4,
Two sealing rubber rings 5 are dedicated high pressure resistant cushion rubber, sealing the first pressure testing pressing plate 3 effect；The first sealing partition 2 is placed in first
It is surveyed in pressure testing pressing plate 3, pumps the inner cavity pump case A by the first sealing rubber ring 4,5 capping reactor coolant of the second sealing rubber ring.
The water pressure machine 24 is connect by high pressure resistant water pipe 22 with the second pressure testing pressing plate 9, is reactor coolant pump
Pump case A water filling pressurization；The first pressure gauge 20, second pressure gauge 23 respectively with the second pressure testing pressing plate 9 and water pressure machine 24
It is connected, for monitoring pressure at two ends value；The throttle valve 21 can prevent water in reactor coolant pump pump case A from returning after closing
Flowing pressure reduces.
Sucking flange 19,6 both ends of discharge flange and the reactor coolant pump pump case A big end experimental rig structure phase
Together.
A kind of working principle of reactor coolant pump water test unit is suction side, discharge end, reactor
At coolant pump pump case A big end three after water test unit assembly, in reactor coolant pump pump case A by water pressure machine 24 and
The high pressure resistant water filling of water pipe 22 pressurization, the first pressure testing pressing plate 3 is in pressure testing by water from water pressure machine 24 to reactor coolant pump
High pressure thrust W1 in pump case A from inside to outside, and what the first turnbuckle 1 on the first pressure testing pressing plate 3 was subject to is to reactor
The total pulling force W2 that the first pressure testing pressing plate 3 is tensed in coolant pump pump case A is drawn because thrust W1 from inside to outside is greater than inside first
1 total pulling force W2 of tight bolt, it is ensured that the reactor coolant pump pump case A water pressure test carries out, it is necessary to which an inward pressure is come
Balancing water pressure；The effect of first sealing partition 2 is exactly in the water pressure test, and first seals partition 2 by sideways pressure P1,
When test pressure reaches a certain level, gap is generated between the first sealing partition 2 and the first pressure testing pressing plate 3, at this moment the first examination
Press the pressure P2 downward by water of pressing plate 3, at the same the gap between the first pressure testing pressing plate 3 and reactor coolant pump pump case A by
The thrust P3 upward to water, because of the difference of sealed diameter, P2 is greater than P3, so the first pressure testing pressing plate 3 generates downward pressure
P0, forms self-tightening, and the first sealing rubber ring 4 of cooperation, 5 capping reactor coolant of the second sealing rubber ring pump the inner cavity pump case A.
A kind of use of reactor coolant pump water test unit and operating method are first pressure testings
High pressure thrust W1 of the pressing plate 3 in pressure testing by water from water pressure machine 24 to reactor coolant pump pump case A from inside to outside, and
What the first turnbuckle 1 on the first pressure testing pressing plate 3 was subject to is that the first pressure testing pressing plate is tensed into reactor coolant pump pump case A
3 total pulling force W2 just can guarantee when thrust W1 from inside to outside is less than or equal to inside 1 total pulling force W2 of the first turnbuckle
The reactor coolant pump pump case A water pressure test carries out；When W1 is greater than W2, it is necessary to which an inward pressure carrys out balancing water pressure；
The first sealing partition 2, which is placed in the first pressure testing pressing plate 3, to be surveyed, and the first pressure testing pressing plate 3 and reactor coolant pump pump case are separated
A, the first sealing partition 2 is by sideways pressure P1, when pressure reaches a certain level, the first sealing partition 2 and the first examination
Gap is generated between pressure pressing plate 3, at this moment the first sealing pressure P2 downward by water of partition 2, while the first sealing partition 2 and anti-
Thrust P3 also upward by water between reactor coolant pump pump case A is answered, because P2 is greater than P3, the first pressure testing pressing plate 3 is generated
Downward pressure P0, forms self-tightening, and the first sealing rubber ring 4 of cooperation, 5 capping reactor coolant of the second sealing rubber ring pump pump case A
Inner cavity；The water pressure machine 24 is connect with G3/4 pipe screw thread with the second pressure testing pressing plate 9 by high pressure resistant water pipe 22, is that reactor is cold
But agent pump pump case A water filling and air in reactor coolant pump pump case A is excluded clean, water pressure machine 24 starts, in five times plus
Pressure, pressure maintaining pass through first pressure gauge 20,23 reading numerical values of second pressure gauge up to reaching maximum hydraulic test pressure value；Throttling
Valve 21 is turned off manually when pressure reaches maximum test pressure, and water in reactor coolant pump pump case A is prevented to be back to water pressure
Machine 24, prevents pressure reduction；After the water pressure test open throttle valve 21, by water pressure machine 24 be again split into five pressure releases,
Pressure maintaining is zero up to hydraulic pressure pressure, passes through first pressure gauge 20,23 reading numerical values of second pressure gauge.
Claims (7)
1. a kind of reactor coolant pump water test unit, including the first turnbuckle, the first sealing partition, the first pressure testing pressure
Plate, the first sealing rubber ring, the second sealing rubber ring, discharge flange, the second turnbuckle, the first nut, the second pressure testing pressing plate, second
It is close to seal partition, third sealing rubber ring, the 4th sealing rubber ring, third turnbuckle, the second nut, third pressure testing pressing plate, third
Insulate plate, the 5th sealing rubber ring, the 6th sealing rubber ring, sucking flange, first pressure gauge, throttle valve, high pressure resistant water pipe, the second pressure
Power table, water pressure machine, it is characterised in that: the first sealing rubber ring, the second sealing rubber ring be set on the first sealing partition, and by its
It is mounted on the first pressure testing pressing plate, then is fixed in below reactor coolant pump pump case with the first turnbuckle 1；Anti-
The upper surface of reactor coolant pump pump case setting sucking flange is answered, and using being welded to connect, setting the 5th is close on third sealing partition
Sealing rubber ring, the 6th sealing rubber ring, and be installed on third pressure testing pressing plate, then with third turnbuckle, the second nut by its
It is fixed on sucking flange；Discharge flange is set on the right side of reactor coolant pump pump case, and using being welded to connect, second
It seals and third sealing rubber ring, the 4th sealing rubber ring is set on partition, and be installed on the second pressure testing pressing plate, then drawn with second
Tight bolt, the first nut are fixed on discharge flange；One end of high pressure resistant water pipe is connect with the second pressure testing pressing plate, in resistance to height
First pressure gauge, throttle valve, second pressure gauge are set on pressure pipe, and the other end of high pressure resistant water pipe is connect with water pressure machine.
2. a kind of reactor coolant pump water test unit according to claim 1, it is characterised in that: the sucking
In two side interface of reactor coolant pump pump case, pump case sucks flange, discharge flange lower part large end face for flange, discharge flange welding
Closure form is consistent, therefore only at large end face；Wherein the first sealing partition is placed in the first pressure testing pressing plate separates with pump case,
Cooperate two first sealing rubber rings, the second sealing rubber ring, fastened and connected with the first turnbuckle, remaining is identical at two, pump in shape
Hydraulic test pressure machine is connected at closed cavity, then with high pressure resistant water pipe, the water pressure test is carried out to pump case.
3. a kind of reactor coolant pump water test unit according to claim 1, it is characterised in that: described first
Turnbuckle quantity is fixed, and pulling force is not able to satisfy test pressure and needs and cannot use high-grade material substitution；First examination
It presses pressing plate to bear high pressure, is tensed by the first turnbuckle；First sealing rubber ring, the second sealing rubber ring are dedicated high pressure resistant
Cushion rubber seals the first pressure testing pressing plate function；The first sealing partition, which is placed in the first pressure testing pressing plate, to be surveyed, and the first sealant is leaned on
Circle, 5 capping reactor coolant of the second sealing rubber ring pump pump case inner cavity.
4. a kind of reactor coolant pump water test unit according to claim 1, it is characterised in that: the hydraulic pressure
Power machine is connect by high pressure resistant water pipe with the second pressure testing pressing plate, for the water filling pressurization of reactor coolant pump pump case；Described first
Pressure gauge, second pressure gauge are connected with the second pressure testing pressing plate and water pressure machine respectively, for monitoring pressure at two ends value；Described
Throttle valve 21 can prevent water return pressure in reactor coolant pump pump case from reducing after closing.
5. a kind of reactor coolant pump water test unit according to claim 1, it is characterised in that: the sucking
Flange, discharge flange both ends are identical as reactor coolant pump pump case big end experimental rig structure.
6. a kind of reactor coolant pump water test unit according to claim 1, it is characterised in that: described one kind
The working principle of reactor coolant pump water test unit is suction side, discharge end, reactor coolant pump pump case big end three
After locating water test unit assembly, pressurization is filled the water by water pressure machine and high pressure resistant water pipe in reactor coolant pump pump case, the
High pressure thrust W1 of the one pressure testing pressing plate in pressure testing by water from water pressure machine to reactor coolant pump pump case from inside to outside,
And what the first turnbuckle on the first pressure testing pressing plate was subject to is that the first pressure testing pressing plate is tensed into reactor coolant pump pump case A
Total pulling force W2, because thrust W1 from inside to outside is greater than the first inside turnbuckle total pulling force W2, it is ensured that reactor is cooling
Agent pumps the pump case water pressure test and carries out, it is necessary to which an inward pressure carrys out balancing water pressure；First sealing partition effect be exactly
When the water pressure test, first sealing partition by sideways pressure P1, when test pressure reaches a certain level, first sealing every
Gap is generated between plate and the first pressure testing pressing plate, at this moment the first pressure testing pressing plate pressure P2 downward by water, while the first pressure testing
Gap between the pressing plate and reactor coolant pump pump case A thrust P3 upward by water, because the difference of sealed diameter, P2 are big
In P3, so the first pressure testing pressing plate generates downward pressure P0, self-tightening is formed, cooperates the first sealing rubber ring, the second sealing rubber ring
Capping reactor coolant pumps pump case inner cavity.
7. a kind of reactor coolant pump water test unit according to claim 1, it is characterised in that: described one kind
The use of reactor coolant pump water test unit and operating method are that the first pressure testing pressing plate is in pressure testing by water
High pressure thrust W1 from water pressure machine to reactor coolant pump pump case from inside to outside, and first on the first pressure testing pressing plate is drawn
What tight bolt was subject to is the total pulling force W2 that the first pressure testing pressing plate is tensed into reactor coolant pump pump case, thrust from inside to outside
When W1 is less than or equal to the first inside turnbuckle total pulling force W2, just can guarantee the water pressure test of reactor coolant pump pump case into
Row；When W1 is greater than W2, it is necessary to which an inward pressure carrys out balancing water pressure；The first sealing partition is placed in the first pressure testing pressure
It surveys in plate, separates the first pressure testing pressing plate and reactor coolant pump pump case, first seals partition by sideways pressure P1, when
When pressure reaches a certain level, first sealing partition and the first pressure testing pressing plate between generate gap, at this moment first sealing partition by
The pressure P2 downward to water, while first seals thrust also upward by water between partition and reactor coolant pump pump case
P3, because P2 is greater than P3, the first pressure testing pressing plate generates downward pressure P0, forms self-tightening, the first sealing rubber ring of cooperation, the
Two sealing rubber ring capping reactor coolants pump pump case inner cavity；The water pressure machine by high pressure resistant water pipe G3/4 pipe screw thread with
The connection of second pressure testing pressing plate is filled the water for reactor coolant pump pump case and is excluded air in reactor coolant pump pump case dry
Only, water pressure machine starts, and pressurization, pressure maintaining pass through first pressure gauge, second up to reaching maximum hydraulic test pressure value in five times
Pressure gauge reading numerical values；Throttle valve is turned off manually when pressure reaches maximum test pressure, prevents reactor coolant pump pump case
Interior water is back to water pressure machine, prevents pressure reduction；Throttle valve is opened after the water pressure test, is again split by water pressure machine
Five pressure releases, pressure maintaining until hydraulic pressure pressure be zero, pass through first pressure gauge, second pressure gauge reading numerical values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459768.8A CN110136854A (en) | 2019-05-30 | 2019-05-30 | A kind of reactor coolant pump water test unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459768.8A CN110136854A (en) | 2019-05-30 | 2019-05-30 | A kind of reactor coolant pump water test unit |
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| Publication Number | Publication Date |
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| CN110136854A true CN110136854A (en) | 2019-08-16 |
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ID=67582747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910459768.8A Pending CN110136854A (en) | 2019-05-30 | 2019-05-30 | A kind of reactor coolant pump water test unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925185A (en) * | 2019-12-18 | 2020-03-27 | 沈阳鼓风机集团核电泵业有限公司 | Filling type partition plate and method for water pressure test of water feeding pump of high-temperature high-pressure boiler |
| CN113524124A (en) * | 2021-07-13 | 2021-10-22 | 哈尔滨电气动力装备有限公司 | Double-thread hollow screw fastening hydraulic tool for wet winding motor |
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| CN104421146A (en) * | 2013-08-28 | 2015-03-18 | 沈阳鼓风机集团核电泵业有限公司 | Water pressure testing method of water feed pump of high-pressure boiler |
| CN109269723A (en) * | 2018-11-21 | 2019-01-25 | 霍山嘉远智能制造有限公司 | A kind of anti-pressure type hydraulic pressure test fixture of pump case |
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| CN104421146A (en) * | 2013-08-28 | 2015-03-18 | 沈阳鼓风机集团核电泵业有限公司 | Water pressure testing method of water feed pump of high-pressure boiler |
| CN109269723A (en) * | 2018-11-21 | 2019-01-25 | 霍山嘉远智能制造有限公司 | A kind of anti-pressure type hydraulic pressure test fixture of pump case |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925185A (en) * | 2019-12-18 | 2020-03-27 | 沈阳鼓风机集团核电泵业有限公司 | Filling type partition plate and method for water pressure test of water feeding pump of high-temperature high-pressure boiler |
| CN110925185B (en) * | 2019-12-18 | 2021-06-22 | 沈阳鼓风机集团核电泵业有限公司 | Filling type partition plate and method for water pressure test of water feeding pump of high-temperature high-pressure boiler |
| CN113524124A (en) * | 2021-07-13 | 2021-10-22 | 哈尔滨电气动力装备有限公司 | Double-thread hollow screw fastening hydraulic tool for wet winding motor |
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Application publication date: 20190816 |