CN109300558A - Nuclear power plant's reactor coolant sampling cooler - Google Patents
Nuclear power plant's reactor coolant sampling cooler Download PDFInfo
- Publication number
- CN109300558A CN109300558A CN201811298016.XA CN201811298016A CN109300558A CN 109300558 A CN109300558 A CN 109300558A CN 201811298016 A CN201811298016 A CN 201811298016A CN 109300558 A CN109300558 A CN 109300558A
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- power plant
- nuclear power
- outer sleeve
- reactor coolant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002826 coolant Substances 0.000 title claims abstract description 57
- 238000005070 sampling Methods 0.000 title claims abstract description 44
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 238000003780 insertion Methods 0.000 claims abstract description 14
- 230000037431 insertion Effects 0.000 claims abstract description 14
- 238000012546 transfer Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 241000233855 Orchidaceae Species 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
- G21C17/022—Devices or arrangements for monitoring coolant or moderator for monitoring liquid coolants or moderators
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of nuclear power plant's reactor coolant sampling coolers comprising: cylinder, bottom are provided with shell cover, and top is fixedly connected with flange；Inner sleeve is set in cylinder, and top is hatch frame, and bottom is fixedly connected with shell cover；Outer sleeve is set in cylinder, and is set in outside inner sleeve, and bottom is hatch frame, and top is fixedly connected with ring flange, and ring flange is detachably secured to the top of flange；Fluid flowing passage is divided into two circulation passages downwardly and upwardly by inner sleeve and outer sleeve；And coil pipe, it is fixed in the channel that inner sleeve and outer sleeve and outer sleeve and cylinder are formed；Wherein, it is opened up on the inside of ring flange there are four through-hole, two of them through-hole is fixedly connected with shell-side pipe fitting, and insertion is fixed with pipe side pipe connector in other two through-hole, and is fixedly connected after pipe side pipe connector extension insertion through-hole with coil pipe both ends.
Description
Technical field
The invention belongs to nuclear power fields, it is more particularly related to which a kind of sampling of nuclear power plant's reactor coolant is cold
But device.
Background technique
Reactor coolant sampling cooler is for the cooling sampling coolant drawn from reactor core, due to heap in-core coolant
Temperature is higher, and generally at 350 DEG C, pressure reaches 15MPa, is in high temperature, high pressure conditions, in order to reduce its temperature and pressure, meets
To the requirement that water quality is monitored on-line, need to cool down it using cooler, cooling medium is generally component cooling water.
Currently, the widely applied coil pipe coolant of nuclear power plant generally uses single layer coil tube structure, coil pipe, which is integrally immersed in, to be filled
In the shell side of full component cooling water, due to the mass flow very little of Core cooling agent in pipe, heat transfer coefficient is low, while pipe shell journey
Space fluid sectional area is larger, causes shell-side heat transfer coefficient much smaller than in pipe, the Core cooling agent in pipe can not disposably be dropped
As low as at acceptable temperature, generally require setting two concatenated coolants carry out classification cooling, increase number of devices and
System complexity.
In view of this, it is necessory to provide, a kind of heat transfer area per unit volume is big, shell-side heat transfer coefficient is high, it is anti-to reduce fastly
Reactor coolant temperature is answered, convenient for going on smoothly nuclear power plant's reactor coolant sampling cooler of Core cooling agent monitoring.
Summary of the invention
Goal of the invention of the invention is: overcoming the deficiencies of the prior art and provide that a kind of heat transfer area per unit volume is big, shell
Journey heat transfer coefficient is high, can reduce reactor coolant temperature fastly, convenient for going on smoothly nuclear power plant's reaction of Core cooling agent monitoring
Reactor coolant sampling cooler.
In order to achieve the above-mentioned object of the invention, the present invention provides a kind of nuclear power plant's reactor coolant sampling cooler, packets
It includes:
Cylinder, bottom are provided with shell cover, and top is fixedly connected with flange；
Inner sleeve is set in cylinder, and top is hatch frame, and bottom is fixedly connected with shell cover；
Outer sleeve is set in cylinder, and is set in outside inner sleeve, and bottom is hatch frame, and top and ring flange are solid
Fixed connection, ring flange are detachably secured to the top of flange；
Fluid flowing passage is divided into two circulation passages downwardly and upwardly by inner sleeve and outer sleeve；And
Coil pipe is fixed in the channel that inner sleeve and outer sleeve and outer sleeve and cylinder are formed；
Wherein, it is opened up on the inside of ring flange there are four through-hole, two of them through-hole is fixedly connected with shell-side pipe fitting, in addition
Insertion is fixed with pipe side pipe connector in two through-holes, and is fixedly connected after pipe side pipe connector extension insertion through-hole with coil pipe both ends.
As a kind of improvement of nuclear power plant's reactor coolant sampling cooler of the present invention, the coil pipe is a heat-transfer pipe
The spiral coil of the inside and outside two layers of spiral pipes structure of coiling.
As a kind of improvement of nuclear power plant's reactor coolant sampling cooler of the present invention, the coil pipe passes through housing respectively
Cylinder supporting element and inner sleeve supporting element are supported, and outer sleeve supporting element is fixed with the outer sleeve, inner sleeve supporting element and
The inner sleeve is fixed.
As a kind of improvement of nuclear power plant's reactor coolant sampling cooler of the present invention, the outer sleeve supporting element and institute
Stating inner sleeve supporting element is round steel, is respectively separated 120 degree and is provided with 3 outer sleeve supporting elements and inner sleeve supporting element.
As a kind of improvement of nuclear power plant's reactor coolant sampling cooler of the present invention, the coil pipe and the outer sleeve
Supporting element and the inner sleeve supporting element are fixed by interference fit type.
As a kind of improvement of nuclear power plant's reactor coolant sampling cooler of the present invention, the bottom of the inner sleeve is equipped with
Drainage hole, draining when for overhauling.
As a kind of improvement of nuclear power plant's reactor coolant sampling cooler of the present invention, the flange is hollow disc,
Its lower end inside opens up jagged, is located in notch at the top of the cylinder, and fix with the flange welding.
As a kind of improvement of nuclear power plant's reactor coolant sampling cooler of the present invention, the flange upper end offers recessed
Slot is provided with sealing ring in groove.
As a kind of improvement of nuclear power plant's reactor coolant sampling cooler of the present invention, the shell cover bottom setting
There is through-hole, silk plug component is provided in through-hole.
As a kind of improvement of nuclear power plant's reactor coolant sampling cooler of the present invention, the silk plug component includes silk plug
Seat, gasket seal and silk plug, silk plug seat is inserted into shell cover bottom through-hole, and is welded to connect, and is provided on the inside of silk plug seat close
Internal screw thread is sealed, sealing external screw thread is provided on the outside of silk plug plug, silk plug seat and silk plug are threadedly coupled；Gasket seal is arranged in silk plug seat
Between silk plug plug.
As a kind of improvement of nuclear power plant's reactor coolant sampling cooler of the present invention, the ring flange bottom inside is opened
Equipped with groove, it is welded and fixed after the outer sleeve insertion groove with the ring flange.
Compared with the existing technology, nuclear power plant's reactor coolant sampling cooler of the present invention has following technical effect that
The cooler is inside and outside Double-layer coiled pipe cooler, and inside and outside double-layer structure increases the long-pending around tube capacity of heat-transfer pipe,
Heat exchange area is increased, while inside and outside two layers of sleeve is set, constrains the circulation path of shell-side fluid, guarantees higher shell side stream
Speed can reduce reactor coolant temperature to improve the heat-transfer capability of cooler on the whole fastly, guarantee from heap core sampling
Core cooling agent afterwards is rapidly cooled to detectable level, meets the monitoring requirement of npp safety operation.
Detailed description of the invention
With reference to the accompanying drawings and detailed description, nuclear power plant's reactor coolant sampling cooler of the present invention is carried out detailed
It describes in detail bright, in which:
Fig. 1 is the structural schematic diagram of nuclear power plant's reactor coolant sampling cooler of the present invention.
Fig. 2 is the structural schematic diagram of nuclear power plant's reactor coolant sampling cooler silk plug component of the present invention.
Fig. 3 is the structural schematic diagram on nuclear power plant's reactor coolant sampling cooler top of the present invention.
Fig. 4 is the bottom substance schematic diagram of nuclear power plant's reactor coolant sampling cooler inner sleeve of the present invention.
Fig. 5 is the arrangement schematic diagram of outer sleeve supporting element and inner sleeve supporting element of the present invention.
Fig. 6 is the structural schematic diagram of nuclear power plant's reactor coolant sampling cooler coil pipe of the present invention.
Fig. 7 is the A direction view (top view) of nuclear power plant's reactor coolant sampling cooler coil pipe of the present invention.
Fig. 8 is the structural schematic diagram of nuclear power plant's reactor coolant sampling cooler ring flange of the present invention.
Fig. 9 is that nuclear power plant's reactor coolant sampling cooler fluid of the present invention flows to schematic diagram.
Appended drawing reference:
10- cylinder；12- shell cover；13- silk plug component；131- silk plug seat；132- gasket seal；133- silk plug；14-
Flange；15- sealing ring；16- inner sleeve；162- drainage hole；17- inner sleeve supporting element；18- outer sleeve；The support of 19- outer sleeve
Part；20- ring flange；201,202,203,204- through-hole；205- fixation hole；22- coil pipe；24- shell-side pipe fitting；26- pipe side pipe
Connector；28- fastener.
Specific embodiment
In order to be more clear goal of the invention of the invention, technical solution and its technical effect, below in conjunction with attached drawing and tool
Body embodiment, the present invention will be described in further detail.It should be understood that specific embodiment party described in this specification
Formula is not intended to limit the present invention just for the sake of explaining the present invention.
It please refers to shown in Fig. 1 to Fig. 9, nuclear power plant's reactor coolant sampling cooler of the present invention, comprising:
Cylinder 10, bottom are provided with shell cover 12, and top is fixedly connected with flange 14；
Inner sleeve 16 is set in cylinder 10, and top is hatch frame, and bottom is fixedly connected with shell cover 12；
Outer sleeve 18 is set in cylinder 10, and is set in outside inner sleeve 16, and bottom is hatch frame, top and method
Blue disk 20 is fixedly connected, and ring flange 20 is detachably secured to the top of flange 14；
Shell fluid flow channel is divided into two circulation passages downwardly and upwardly by inner sleeve 16 and outer sleeve 18；With
And
Coil pipe 22 is fixed in the channel that inner sleeve 16 and outer sleeve 18 and outer sleeve 18 and cylinder 10 are formed；
Wherein, the inside of ring flange 20 is opened up there are four through-hole 201, and 202,203,204, two of them through-hole 201,202
It is fixedly connected with shell-side pipe fitting 24, insertion is fixed with pipe side pipe connector 26 in other two through-hole 203,204, and pipe side pipe connects
It is fixedly connected after first 26 extension insertion through-hole 203,204 with 22 both ends of coil pipe.
Refering to Figure 1, cylinder 10 is cylindrical tube, bottom welding is provided with shell cover 12, top and flange
14 are welded and fixed.
Shell cover 12 is that butterfly end socket or ellipsoidal head open up for the ease of maintenance in the bottom of shell cover 12
There is a circular through hole (figure is unlabeled), and silk plug component 13 is set in circular through hole and is blocked.Preferably, circular through hole
It is provided with the middle part of 12 bottom of shell cover.
It please refers to shown in Fig. 2, silk plug component 13 includes silk plug seat 131, gasket seal 132 and silk plug 133.Wherein silk plug seat
It in 131 insertion 12 bottom circular through-holes of shell cover, and is welded to connect with shell cover 12, is offered on the inside of silk plug seat 131
Internal screw thread is sealed, sealing external screw thread is offered on the outside of 133 plug of silk plug, silk plug seat 131 and silk plug 133 are threadedly coupled.In order to
The sealing performance between silk plug seat 131 and silk plug 133 is improved, a gasket is provided between silk plug seat 131 and silk plug 133
Piece 132, it can be achieved that excellent sealing after silk plug 133 screws.When cooler carries out draining maintenance, after screwing off silk plug 133
Shell fluid can be discharged.
It please refers to shown in Fig. 3, flange 14 has certain thickness, and middle part is the disk of hollow structure, and lower end inside opens up
Jagged (figure is unlabeled), the top of cylinder 10 is located in notch, and is welded and fixed in gap position and flange 14.In order to guarantee
The sealing performance of flange 14 and ring flange 20, opens up fluted in 14 upper end of flange, and sealing ring 15 is provided in groove.It is preferred that
Ground, the section of groove are rectangle, and sealing ring 15 is metal O-ring.
It please refers to shown in Fig. 1 and Fig. 4, inner sleeve 16 is cylindrical structure, and top is hatch frame, and extends to cylinder 10
Top, bottom are welded on shell cover 12.Further, 16 bottom of inner sleeve is equipped with drainage hole 162, progress when for overhauling
Draining, in the shown embodiment, there are two the settings of drainage hole 162, is symmetrically arranged at the center line of 16 bottom of inner sleeve
On.In other embodiments of the invention, the quantity of drainage hole 162 can be without limitation.Preferably, the bottom of inner sleeve 16 with
It is welded and fixed in the middle part of the bottom of shell cover 12.
Outer sleeve 18 is cylindrical structure, is set in outside inner sleeve 16, and extend to the lower part of cylinder 10, cylinder 10, outer
Sleeve 18 and inner sleeve 16 are arranged in parallel respectively, and the spacing between cylinder 10, outer sleeve 18 and inner sleeve 16 is preferably equal.Outside
The bottom of sleeve 18 is hatch frame, and top is welded and fixed with ring flange 20.
By setting inner sleeve 16 and outer sleeve 18, shell fluid flow channel can be divided into two downwardly and upwardly
Circulation passage, as shown in Figure 9.
It please refers to shown in Fig. 5, is fixedly installed outer sleeve supporting element 19 in the outside of outer sleeve 18, in the outer of inner sleeve 16
Side is fixedly installed inner sleeve supporting element 17, is used to support coil pipe 22, prevents vibration.In the shown embodiment, housing
Cylinder supporting element 19 and inner sleeve supporting element 17 are round steel, are welded respectively with outer sleeve supporting element 19 and inner sleeve supporting element 17
It is fixed.Preferably, it is respectively separated 120 degree of welding on the outside of outer sleeve 18 and is provided with 3 outer sleeve supporting elements 19, in inner sleeve 16
Outside is respectively separated 120 degree of welding and 3 inner sleeve supporting elements 17, and adjacent outer sleeve supporting element 19 and inner sleeve supporting element is arranged
17 60 degree of interval settings.Further, coil pipe 22 and outer sleeve supporting element 19 and inner sleeve supporting element 17 pass through interference fit
Mode is fixed, to guarantee that coil pipe 22 realizes effective support, prevents coil pipe 22 from shaking.In other embodiments of the invention
In, the shape and quantity of outer sleeve supporting element 19 and inner sleeve supporting element 17 without limitation, outer sleeve supporting element 19 and inner sleeve
Interval angles between supporting element 17 are also without limitation.
It please refers to shown in Fig. 6 and Fig. 7, coil pipe 22 is the spiral coil of two layers of spiral pipes structure inside and outside one, internal layer helix tube
Changeover portion identical with the screw pitch of outer layer helix tube, in 22 bottom of coil pipe, coil pipe bending diameter consecutive variations, makes internal layer helix tube
It can gently be connected with outer layer helix tube.The both ends of coil pipe 22 are located on internal layer helix tube and outer layer helix tube.
It please referring to shown in Fig. 8, ring flange 20 is with certain thickness disk, and inside is opened up there are four through-hole 201,
202,203,204, wherein opposite two through-holes 201,202 are fixedly connected with shell-side pipe fitting 24, in addition opposite two lead to
Insertion is fixed with pipe side pipe connector 26 in hole 203,204, and pipe side pipe connector 26 extend after insertion through-hole 203,204 with coil pipe 22
Both ends are welded to connect.
Specifically, there are two the settings of shell-side pipe fitting 24, it is placed on 20 upper end of ring flange, is welded and fixed with ring flange 20,
And it is connected to respectively with two opposite through-holes 201,202.
There are two the settings of pipe side pipe connector 26, welds after being inserted into two through-holes 203,204 respectively with ring flange 20, two root canals
It is welded inside equipment with 22 both ends of coil pipe 16 end of side pipe connector.
Further, 20 bottom inside of ring flange opens up fluted, and groove preferred profile is the groove of rectangle, outer sleeve 18
Top is welded and fixed with ring flange 20 after insertion groove.
Shell-side pipe fitting 24 and pipe side pipe connector 26 are hollow cylinder, and shell-side pipe fitting 24 is directly placed on ring flange 20
It is welded with ring flange 20, forms import, the exit passageway of fluid disengaging shell-side.Pipe side pipe connector 26 is deep into 20 lower end of ring flange
It is welded respectively with 22 tube head both ends of coil pipe after certain distance, to form import of the fluid in pipe side, exit passageway.
Ring flange 20 is located at the top of flange 14, and outside offers multiple fixation holes 205, corresponding regulation hole on flange 14
205 position is provided with fixation hole (not shown go out), and is detachably fixed connection by fastener 28.Fastener 28 is mainly by having
Screw bolt and nut composition, after bolt is inserted into the fixation hole on fixation hole 205 and flange 14 on ring flange 20, by nut by method
Together with orchid 14 is detachably fastened and fixed with ring flange 20.
Please continue to refer to shown in Fig. 9, it is as follows that cooler fluid of the present invention moves towards process:
Cold water enters from one of shell-side pipe fitting 24, first downwards by the inside between inner sleeve 16 and outer sleeve 18
Annular flow channel, fluid are reversely folded to exterior annular circulation passage between outer sleeve 18 and cylinder 10 in the bottom of the channel, logical
It is flowed out after collecting at the top of road from another shell-side pipe fitting 24.Shell fluid is in entire flow process to the outer surface of coil pipe 22
It is washed away.Hot water inside coil pipe 22 then enters coil pipe 22 by one of pipe side pipe connector 26, is connect by another pipe side pipe
First 22 outflow, the internal hot-water of coil pipe 22 is first flowed by the outer ring spiral of coil pipe 22 from top to bottom, then again in coil pipe 22
Circle spiral flows from bottom to top, overall flow direction and shell fluid flow direction journey reverse flow state.It is flowed in shell-side and pipe side
The flowing of body makes the heat of hot water in coil pipe 22 be oriented to the cold water of shell-side.Due to 22 characteristics of compact layout of coil pipe, unit volume heat-transfer area
Long-pending big, shell-side flow velocity and pipe effluent speed are relatively high, and heat transfer coefficient is high, can reduce the configuration quantity of Core cooling agent cooler,
It is arranged more simple.
It should be noted that being disk since cylinder 10 is cylindrical structure, flange 14 and ring flange 20, so that entire core
Power plant's reactor coolant sampling cooler is cylindrical structure.In addition to being provided with inner sleeve 16 and outer sleeve 18 in cylinder 10,
More sleeves can also be set as needed, and add coil pipe between two neighboring sleeve, the quantity root of sleeve and coil pipe
According to being selected.
It should be further noted that the not single fingering orchid of flange 14 and ring flange 20 and ring flange, can be arbitrarily can
The structure for being blocked and being fastened, flange and ring flange can also be square structure in addition to disc structure.
Compared with the existing technology, nuclear power plant's reactor coolant sampling cooler of the present invention is imitated with following Advantageous
Fruit:
The cooler is inside and outside Double-layer coiled pipe cooler, and inside and outside double-layer structure increases the long-pending around tube capacity of heat-transfer pipe,
Heat exchange area is increased, while inside and outside two layers of sleeve is set, constrains the circulation path of shell-side fluid, guarantees higher shell side stream
Speed can reduce reactor coolant temperature to improve the heat-transfer capability of cooler on the whole fastly, guarantee from heap core sampling
Core cooling agent afterwards is rapidly cooled to detectable level, meets the monitoring requirement of npp safety operation.
According to above-mentioned principle, the present invention can also be made appropriate changes and modifications to the above embodiments.Therefore, this hair
It is bright to be not limited to specific embodiment disclosed and described above, some modifications and changes of the invention should also be as to fall into this
In the scope of protection of the claims of invention.In addition, although being used some specific terms in this specification, these terms
Merely for convenience of description, it does not limit the present invention in any way.
Claims (10)
1. a kind of nuclear power plant's reactor coolant sampling cooler characterized by comprising
Cylinder, bottom are provided with shell cover, and top is fixedly connected with flange；
Inner sleeve is set in cylinder, and top is hatch frame, and bottom is fixedly connected with shell cover；
Outer sleeve is set in cylinder, and is set in outside inner sleeve, and bottom is hatch frame, top and the fixed company of ring flange
It connects, ring flange is detachably secured to the top of flange；
Fluid flowing passage is divided into two circulation passages downwardly and upwardly by inner sleeve and outer sleeve；And
Coil pipe is fixed in the channel that inner sleeve and outer sleeve and outer sleeve and cylinder are formed；
Wherein, it being opened up on the inside of ring flange there are four through-hole, two of them through-hole is fixedly connected with shell-side pipe fitting, other two
Insertion is fixed with pipe side pipe connector in through-hole, and is fixedly connected after pipe side pipe connector extension insertion through-hole with coil pipe both ends.
2. nuclear power plant's reactor coolant sampling cooler according to claim 1, which is characterized in that the coil pipe is one
The spiral coil of the inside and outside two layers of spiral pipes structure of root heat-transfer pipe coiling.
3. nuclear power plant's reactor coolant sampling cooler according to claim 2, which is characterized in that the coil pipe difference
It is supported by outer sleeve supporting element and inner sleeve supporting element, and outer sleeve supporting element is fixed with the outer sleeve, inner sleeve
Supporting element is fixed with the inner sleeve.
4. nuclear power plant's reactor coolant sampling cooler according to claim 3, which is characterized in that the outer sleeve branch
Support member and the inner sleeve supporting element are round steel, are respectively separated 120 degree and are provided with 3 outer sleeve supporting elements and inner sleeve support
Part.
5. nuclear power plant's reactor coolant sampling cooler according to claim 4, which is characterized in that the coil pipe and institute
It states outer sleeve supporting element and the inner sleeve supporting element is fixed by interference fit type.
6. nuclear power plant's reactor coolant sampling cooler according to claim 1, which is characterized in that the inner sleeve
Bottom is equipped with drainage hole, draining when for overhauling.
7. nuclear power plant's reactor coolant sampling cooler according to claim 1, which is characterized in that in the middle part of the flange
For hollow structure, lower end inside opens up jagged, is located in notch at the top of the cylinder, and fix with the flange welding.
8. nuclear power plant's reactor coolant sampling cooler according to claim 7, which is characterized in that the flange upper end
It opens up fluted, sealing ring is provided in groove.
9. nuclear power plant's reactor coolant sampling cooler according to claim 1, which is characterized in that the shell cover
Bottom is provided with through-hole, and silk plug component is provided in through-hole；Preferably, the silk plug component include silk plug seat, gasket seal and
Silk plug, silk plug seat is inserted into shell cover bottom through-hole, and is welded to connect, and sealing internal screw thread, silk are offered on the inside of silk plug seat
Sealing external screw thread is offered on the outside of stifled plug, silk plug seat and silk plug are threadedly coupled；Gasket seal setting is stifled in silk plug seat and silk plug
Between head.
10. nuclear power plant's reactor coolant sampling cooler according to claim 1, which is characterized in that the ring flange
Bottom inside opens up fluted, is welded and fixed after outer sleeve insertion groove with the ring flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298016.XA CN109300558A (en) | 2018-10-31 | 2018-10-31 | Nuclear power plant's reactor coolant sampling cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298016.XA CN109300558A (en) | 2018-10-31 | 2018-10-31 | Nuclear power plant's reactor coolant sampling cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109300558A true CN109300558A (en) | 2019-02-01 |
Family
ID=65146416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811298016.XA Pending CN109300558A (en) | 2018-10-31 | 2018-10-31 | Nuclear power plant's reactor coolant sampling cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109300558A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201555735U (en) * | 2009-11-20 | 2010-08-18 | 南京国能环保工程有限公司 | Sample cooler |
| CN205748982U (en) * | 2015-11-19 | 2016-11-30 | 上海森松化工成套装备有限公司 | A kind of autoclave ore pulp fluid cools down sampler |
| CN206891801U (en) * | 2017-07-25 | 2018-01-16 | 中国五冶集团有限公司 | A kind of sampling cooler |
-
2018
- 2018-10-31 CN CN201811298016.XA patent/CN109300558A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201555735U (en) * | 2009-11-20 | 2010-08-18 | 南京国能环保工程有限公司 | Sample cooler |
| CN205748982U (en) * | 2015-11-19 | 2016-11-30 | 上海森松化工成套装备有限公司 | A kind of autoclave ore pulp fluid cools down sampler |
| CN206891801U (en) * | 2017-07-25 | 2018-01-16 | 中国五冶集团有限公司 | A kind of sampling cooler |
Non-Patent Citations (1)
| Title |
|---|
| 孙永亮等: "核电站高温取样冷却器失效机理", 《腐蚀与防护》 * |
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