CN206420585U - One kind is applied to evaporator primary side tube sheet temperature measuring equipment - Google Patents
One kind is applied to evaporator primary side tube sheet temperature measuring equipment Download PDFInfo
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- CN206420585U CN206420585U CN201621483243.6U CN201621483243U CN206420585U CN 206420585 U CN206420585 U CN 206420585U CN 201621483243 U CN201621483243 U CN 201621483243U CN 206420585 U CN206420585 U CN 206420585U
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- temperature sensor
- tube sheet
- temperature
- quick connector
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Abstract
The utility model is a kind of suitable for evaporator primary side tube sheet temperature measuring equipment, is related to evaporator secondary side Hydraulic test technique field.The utility model includes temperature measurement component and lifts installation bar assembly, and temperature measurement component is attached with lifting installation bar assembly by gas lock；The cradle top center of temperature measurement component is provided with swelling jaw, cradle top two ends are separately installed with alignment pin and temperature sensor assembly, alignment pin, swelling jaw are respectively protruding into heat-transfer pipe and are positioned and firmly grasped, the front end of swelling jaw, which can open, to be fixed on heat transfer inside pipe wall, and the tube sheet lower surface that temperature sensor assembly is withstood between heat-transfer pipe carries out temperature survey.Temperature sensor of the present utility model is close to tube sheet by spring force, and temperature sensor is adjacent to completely with tube sheet wall, so as to ensure that thermometric is accurate；Lift that mounting rod is simple to operate, operating personnel can be avoided to enter evaporator primary side hydroecium cause unnecessary dose of radiation, when can meet the steam generator water pressure test the need for tube sheet thermometric.
Description
Technical field
The present invention relates to evaporator secondary side Hydraulic test technique field, and in particular to one kind is applied to evaporator primary side
Tube sheet temperature measuring equipment.
Background technology
The water pressure test of evaporator secondary side is used to verify from steam generator secondary side to the pressure-bearing of VVP main steam isolation valves
Ability and border seal performance, are the important tests for assessing secondary circuit pressure-bearing and sealability, tube sheet preheating is that evaporator is secondary
The important component of side hydraulic pressure experiment, evaporator water-filling needs tube sheet being preheating to 43~45 DEG C or so before suppressing, heated
Accurate measurement pipe plate temperature is needed in journey.
Current tube sheet thermometric needs operating personnel to enter steam generator hydroecium by temperature sensor adhesive plaster hand paste
In on tube sheet, this method needs personnel to enter high irradiated site operation, by larger dose of radiation, while temperature sensor is fixed not
It is enough reliable.
The content of the invention
The present invention provides a kind of suitable for evaporator primary side tube sheet temperature measuring equipment, using fast and safely effective thermometric side
Formula, it is to avoid operating personnel enter primary side hydroecium and install temp probe and receive unnecessary dose of radiation, realize evaporator two
Tube sheet temperature continues to monitor in secondary side hydraulic pressure process of the test.
The technical scheme is that：
One kind is applied to evaporator primary side tube sheet temperature measuring equipment, including temperature measurement component and lifts installation bar assembly, thermometric
Component is attached with lifting installation bar assembly by gas lock；
Temperature measurement component includes support, swelling jaw, alignment pin, temperature sensor assembly, gas lock male；Cradle top center
Swelling jaw is installed, cradle top two ends are separately installed with alignment pin and temperature sensor assembly, swelling jaw, alignment pin point
Do not stretch into heat-transfer pipe to be positioned, the front end of swelling jaw, which can open, to be fixed on heat transfer inside pipe wall, temperature sensor assembly
The tube sheet lower surface withstood between heat-transfer pipe carries out temperature survey；Gas lock male is arranged on the lower end of temperature measurement component, with lifting peace
Fill bar assembly and carry out abutting joint.
The temperature sensor assembly includes temperature sensor, temperature sensor sleeve, sliding plunger, compression spring；
Temperature sensor is installed in temperature sensor sleeve, and the upper end probe of temperature sensor protrudes upward TEMP
Device sleeve, the lower end of temperature sensor is connected with sliding plunger, and sliding plunger passes through vertical compression spring and temperature sensor
Sleeve bottom is connected, and compression spring is in compressive state, and the scalability of compression spring can drive temperature sensor along temperature
Sensor sleeve is slided up and down.
The installation bar assembly of lifting includes gas lock female, connecting seat, lifts mounting rod；Gas lock female and temperature measurement component
Gas lock male is engaged realization locking and unclamped, and gas lock female is fixedly mounted on connecting seat upper end, and connecting seat lower end is provided with support
Lift mounting rod.
The mounting rod of lifting includes extension rod, quick connector male, quick connector female, flexible contiguous block；Extension rod
One end be provided with quick connector male, quick connector male and be provided with flexible contiguous block, the contiguous block that stretches includes spring, spiral shell
Set and plug, one end of plug are fixed on inside quick connector male by spring and swivel nut, and the other end of plug stretches out fast insert
Joint male surface, plug can stretch under the action of the spring；The other end of extension rod is provided with quick connector female, fast to insert
Joint female is engaged with quick connector male, and is provided with through hole in correspondence plug position, and plug can be fast through through hole stretching
Through hole in connection-peg female be fixed with it is spacing.
The mounting rod of lifting is two.
Beneficial effects of the present invention are：
The temperature sensor of temperature measuring equipment of the present invention is close to tube sheet, temperature sensor and tube sheet wall by spring force
Face is adjacent to completely, so as to ensure that thermometric is accurate；Lift that mounting rod is simple to operate, operating personnel can be avoided to enter evaporator once
Side hydroecium causes unnecessary dose of radiation, when can meet the steam generator water pressure test the need for tube sheet thermometric.
Brief description of the drawings
Fig. 1 is temperature measurement component schematic diagram of the present invention.
Fig. 2 is temperature sensor assembly schematic diagram.
Fig. 3 is scheme of installation of the present invention.
Fig. 4 is overall structure diagram of the present invention.
Fig. 5 is that the present invention lifts mounting rod component diagram.
In figure, 1- supports, 2- swelling jaws, 3- alignment pins, 4- temperature sensor assemblies, 5- gas lock males, 6- gas locks are female
Head, 7- connecting seats, 8- lifts mounting rod, 41- temperature sensors, 42- temperature sensor sleeves, 43- sliding plungers, 44- compressions
Spring, 81- extension rods, 82- quick connector males, 83- quick connector females, 84- stretches contiguous block.
Embodiment
The present invention is described further with reference to the accompanying drawings and examples.
The present invention be it is a kind of be applied to evaporator primary side tube sheet temperature measuring equipment, including temperature measurement component and lift mounting rod group
Part；Temperature measurement component includes support 1, swelling jaw 2, alignment pin 3, temperature sensor assembly 4, gas lock male 5, wherein, temperature is passed
Sensor component 4 includes temperature sensor 41, temperature sensor sleeve 42, sliding plunger 43, compression spring 44；Lift mounting rod group
Part includes gas lock female 6, connecting seat 7, lifts mounting rod 8, wherein, lifting mounting rod 8 includes extension rod 81, quick connector male
82nd, quick connector female 83, flexible contiguous block 84.
As shown in figure 1, temperature measurement component includes support 1, swelling jaw 2, alignment pin 3, temperature sensor assembly 4, gas lock public affairs
First 5.
Support 1 installs part for the basis of temperature measurement component, and there is provided a mounting platform.The top center of support 1 is installed
There is swelling jaw 2, the top two ends of support 1 are separately installed with alignment pin 3 and temperature sensor assembly 4；When the present invention is arranged on pipe
When the enterprising trip temperature of plate is measured, swelling jaw 2, alignment pin 3 are respectively protruding into heat-transfer pipe and are fixed and position, temperature sensor group
The tube sheet lower surface that part 4 is just withstood between heat-transfer pipe carries out temperature survey.
Swelling jaw 2 includes jaw and execution cylinder, and under the promotion of cylinder piston, the jaw of front end can open, swollen
Frictionally overcomes deadweight after tight, clenches heat transfer inside pipe wall, and whole device is hung on below tube sheet.
Alignment pin 3 be installation process in determine install direction, it is ensured that temperature transducers device assembly 4 is just to tube sheet part.
As shown in Fig. 2 temperature sensor assembly 4 includes temperature sensor 41, temperature sensor sleeve 42, sliding plunger
43rd, compression spring 44；Temperature sensor 41 is installed in temperature sensor sleeve 42, and the upper end probe of temperature sensor 41 is upward
Temperature sensor sleeve 42 is stretched out, the lower end of temperature sensor 41 is connected with sliding plunger 43, and sliding plunger 43 is by vertical
Compression spring 44 is connected with the bottom of temperature sensor sleeve 42, and compression spring 44 is in compressive state, and compression spring 44 is stretched
Contracting enables to temperature sensor 41 to be slided up and down along temperature sensor sleeve 42.Temperature sensor 41 is not limited to
PT100 temperature sensors.
As shown in figure 3, when temperature measuring equipment of the present invention is not mounted on tube sheet, due to the effect of compression spring 44,
The upper end probe of temperature transducer 41 can stretch out 5mm more；After temperature measuring equipment is installed completely, compression spring 44 is compressed 5mm,
The 5mm of contracting downwards of temperature sensor 41, now temperature sensor 41 is adjacent to completely with tube sheet wall, so as to ensure that thermometric is accurate.
Gas lock male 5 is arranged on the lower end of support 1, for installing bar assembly progress abutting joint with lifting.
As shown in figure 4, lifting installation bar assembly includes gas lock female 6, connecting seat 7, lifts mounting rod 8.Gas lock female 6 with
The gas lock male 5 of temperature measurement component is used cooperatively, and gas lock female 6 is fixedly mounted on the upper end of connecting seat 7, and the lower end of connecting seat 7 is provided with
Lift mounting rod 8.By the way that to gas lock ventilation and reversely ventilation, locking and the pine of the gentle locknut first 6 of gas lock male 5 can be realized
Open, and then realize temperature measurement component and lift the combination and separation for installing bar assembly.
As shown in figure 5, lifting mounting rod 8 includes extension rod 81, quick connector male 82, quick connector female 83, flexible
Contiguous block 84.One end of extension rod 81 is provided with quick connector male 82, quick connector male 82 and is provided with flexible contiguous block
84, the contiguous block 84 that stretches includes spring and plug, and one end of plug is fixed on inside quick connector male 82 by spring, plug
The other end stretch out the surface of quick connector male 82, plug carries out stretching motion under the drive of spring；Extension rod 81 it is another
End is provided with quick connector female 83, and quick connector female 83 is used cooperatively with quick connector male 82, and in correspondence plug position
Put and be provided with through hole, plug can stretch out the surface of quick connector female 83 through through hole, realize connection lock function.
The effect for lifting mounting rod 8 is to lift temperature measuring equipment of the present invention to by position to be mounted, aids in thermometric
Device completes installment work.It is about 1.9 meters entirely to lift bar overall length, and lifting mounting rod 8 using two sections connects, two sections when using
Lift mounting rod 8 for two sections and quickly connection, and convenient dismounting can be achieved using the cooperation of quick connector.Lifting mounting rod can root
Independent assortment is required according to practical operation, is extended or is shortened.
When temperature measuring equipment of the present invention is installed, temperature measurement component is installed in advance with installation bar assembly is lifted, gas lock is public
Female is to inserting and ventilating so that the two is mutually locked.Operating personnel install bar assembly by survey outside evaporator manhole using lifting
Warm component sends into primary side hydroecium, and the swelling jaw 2 and alignment pin 3 of temperature measurement component are inserted into heat-transfer pipe, opens source of the gas by swelling
Jaw 2 expands, and temperature measurement component is secured firmly to tube sheet lower surface, while the probe of temperature sensor 41 passes through the bullet of compression spring 44
Power is adjacent to tube sheet, start temperature monitoring.
Embodiments of the invention are explained in detail above, above-mentioned embodiment is only most highly preferred embodiment of the invention,
, can also be in the knowledge that those of ordinary skill in the art possess but the present invention is not limited to above-described embodiment
Made a variety of changes on the premise of not departing from present inventive concept.
Claims (5)
1. one kind is applied to evaporator primary side tube sheet temperature measuring equipment, it is characterised in that：Including temperature measurement component and lifting mounting rod
Component, temperature measurement component is attached with lifting installation bar assembly by gas lock；
Temperature measurement component includes support (1), swelling jaw (2), alignment pin (3), temperature sensor assembly (4), gas lock male (5)；
Support (1) top center is provided with two ends at the top of swelling jaw (2), support (1) and is separately installed with alignment pin (3) and TEMP
Device assembly (4), swelling jaw (2), alignment pin (3) are respectively protruding into heat-transfer pipe and positioned, and the front end of swelling jaw (2) can open
Open and be fixed on heat transfer inside pipe wall, the tube sheet lower surface that temperature sensor assembly (4) is withstood between heat-transfer pipe carries out temperature survey；
Gas lock male (5) is arranged on the lower end of temperature measurement component, and bar assembly progress abutting joint is installed with lifting.
2. it is as claimed in claim 1 a kind of suitable for evaporator primary side tube sheet temperature measuring equipment, it is characterised in that：The temperature
Sensor cluster (4) includes temperature sensor (41), temperature sensor sleeve (42), sliding plunger (43), compression spring (44)；
Temperature sensor (41) is installed in temperature sensor sleeve (42), and the upper end probe of temperature sensor (41) is protruded upward
Temperature sensor sleeve (42), the lower end of temperature sensor (41) is connected with sliding plunger (43), and sliding plunger (43) passes through perpendicular
Straight compression spring (44) is connected with temperature sensor sleeve (42) bottom, and compression spring (44) is in compressive state, compresses bullet
The scalability of spring (44) can drive temperature sensor (41) to be slided up and down along temperature sensor sleeve (42).
3. it is as claimed in claim 1 a kind of suitable for evaporator primary side tube sheet temperature measuring equipment, it is characterised in that：It is described to lift
Installing bar assembly includes gas lock female (6), connecting seat (7), lifts mounting rod (8)；Gas lock female (6) and the gas lock of temperature measurement component
Male (5) is engaged realization locking and unclamped, and gas lock female (6) is fixedly mounted on connecting seat (7) upper end, connecting seat (7) lower end
It is provided with and lifts mounting rod (8).
4. it is as claimed in claim 3 a kind of suitable for evaporator primary side tube sheet temperature measuring equipment, it is characterised in that：It is described to lift
Mounting rod (8) includes extension rod (81), quick connector male (82), quick connector female (83), flexible contiguous block (84)；Extension
One end of bar (81) is provided with quick connector male (82), quick connector male (82) and is provided with flexible contiguous block (84), stretches
Contracting contiguous block (84) includes spring, swivel nut and plug, and one end of plug is fixed on quick connector male by spring and swivel nut
(82) internal, the other end of plug stretches out quick connector male (82) surface, and plug is stretched under the action of the spring；Extension
The other end of bar (81) is provided with quick connector female (83), and quick connector female (83) matches with quick connector male (82)
Close, and through hole is provided with correspondence plug position, plug can be through the progress of the through hole in through hole stretching quick connector female (83)
It is fixed and spacing.
5. it is as claimed in claim 4 a kind of suitable for evaporator primary side tube sheet temperature measuring equipment, it is characterised in that：It is described to lift
Mounting rod (8) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621483243.6U CN206420585U (en) | 2016-12-30 | 2016-12-30 | One kind is applied to evaporator primary side tube sheet temperature measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621483243.6U CN206420585U (en) | 2016-12-30 | 2016-12-30 | One kind is applied to evaporator primary side tube sheet temperature measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206420585U true CN206420585U (en) | 2017-08-18 |
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ID=59573417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621483243.6U Active CN206420585U (en) | 2016-12-30 | 2016-12-30 | One kind is applied to evaporator primary side tube sheet temperature measuring equipment |
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| Country | Link |
|---|---|
| CN (1) | CN206420585U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705862A (en) * | 2017-09-21 | 2018-02-16 | 中广核检测技术有限公司 | Heat Exchanger of Nuclear Power Plant hydroecium positions plate welding seams automatic scanning device |
| CN108267242A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | One kind is suitable for evaporator primary side tube sheet temperature measuring equipment |
| CN108986941A (en) * | 2017-06-02 | 2018-12-11 | 核动力运行研究所 | A kind of heat-transfer pipe maintenance positioning device structure |
-
2016
- 2016-12-30 CN CN201621483243.6U patent/CN206420585U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267242A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | One kind is suitable for evaporator primary side tube sheet temperature measuring equipment |
| CN108986941A (en) * | 2017-06-02 | 2018-12-11 | 核动力运行研究所 | A kind of heat-transfer pipe maintenance positioning device structure |
| CN107705862A (en) * | 2017-09-21 | 2018-02-16 | 中广核检测技术有限公司 | Heat Exchanger of Nuclear Power Plant hydroecium positions plate welding seams automatic scanning device |
| CN107705862B (en) * | 2017-09-21 | 2019-11-05 | 中广核检测技术有限公司 | Heat Exchanger of Nuclear Power Plant water chamber positions plate welding seams automatic scanning device |
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