CN208889335U - A kind of double stub (tube) monoliths forging formula main pipe hot leg structures of heavy caliber - Google Patents
A kind of double stub (tube) monoliths forging formula main pipe hot leg structures of heavy caliber Download PDFInfo
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- CN208889335U CN208889335U CN201821098322.4U CN201821098322U CN208889335U CN 208889335 U CN208889335 U CN 208889335U CN 201821098322 U CN201821098322 U CN 201821098322U CN 208889335 U CN208889335 U CN 208889335U
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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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Abstract
The purpose of this utility model is that disclosing a kind of double stub (tube) monolith forging formula main pipe hot leg structures of heavy caliber, it includes main pipe hot leg ontology, surge tube socket and ADS (releasing pressure automatically system) stub (tube) composition, surge tube socket and ADS stub (tube) monolith forging and it is integrated with main pipe hot leg ontology forge, surge tube socket and ADS stub (tube) are separately positioned on the long and straight section of main pipe hot leg ontology；Compared with prior art, pass through surge tube socket, ADS stub (tube) and main pipe hot leg ontology integration forging, reduce weld seam quantity, reduce the welding duration, greatly reduce Gao Fangqu inservice inspection workload, lower Surge line piping thermally stratified layer stress, meet ADS and takes over the steam discharge function demand under accident, meet ASME NB-3683.8 stub (tube) position of opening requirement, reduce forging stub (tube) steel ingot dosage, reduce forging times, it reduces main pipeline and manufactures amount of machining, improve grain size at ozzle, reduce manufacture difficulty, reduce manufacturing cost, realize the purpose of this utility model.
Description
Technical field
The utility model relates to a kind of heavy caliber main pipelines of nuclear power plant's reactor coolant loop, in particular to a seed nucleus
The double stub (tube) monoliths of the heavy caliber of power plant's reactor coolant loop forge formula main pipe hot leg structure.
Background technique
In nuclear power plant in reactor coolant loop, reactor coolant pipe (hereinafter referred to as main pipeline) is as reaction
The runner of reactor coolant, be pressure boundary particularly important in primary Ioops reactor coolant loop and prevent primary Ioops substance to
The safety curtain of external leakage.
For existing reactor coolant pipe (hereinafter referred to as main pipeline) usually by hot arc and cold Duan Zucheng, hot arc connection is anti-
Core pressure vessel (RPV) and steam generator (SG) are answered, main pipe hot leg generally includes two and the above hot arc, wherein one
Hot arc Surge line piping containing connection and ADS adapter tube two large-scale stub (tube)s.
Meanwhile the economy of nuclear power technology is great to the influence on development of each nuclear power heap-type, the cost of equipment is Technological Economy
Property assessment important parameter.Such as: 1,400,000 kilowatts of large-scale passive are forged about 17 tons of main pipe hot leg product weight with integration,
And its steel ingot weighs 120 tons, cost is very high and manufacture difficulty is very big.
Utility model content
The purpose of this utility model is to provide a kind of double stub (tube) monoliths of heavy caliber to forge formula main pipe hot leg structure, needle
To the deficiencies in the prior art, start with from forged tube nozzle link, steel ingot dosage can be reduced, reduce forging times, reduces manufacture difficulty,
Forging cost is reduced, meets the needs of nuclear power compactedness design.
The technical issues of the utility model is solved can be realized using following technical scheme:
A kind of double stub (tube) monoliths forging formula main pipe hot leg structures of heavy caliber, which is characterized in that it includes main pipeline heat
Duan Benti, surge tube socket and ADS stub (tube) composition, the surge tube socket and ADS stub (tube) monolith forging are simultaneously
Integrated with the main pipe hot leg ontology to forge, the surge tube socket and the ADS stub (tube) are separately positioned on
On the long and straight section of main pipe hot leg ontology.
In one embodiment of the utility model, the center line of the surge tube socket and the ADS stub (tube)
Center line is located on the same vertical plane of the center line of the main pipe hot leg ontology.
In one embodiment of the utility model, the center line of the surge tube socket and the ADS stub (tube)
Center line is located on two parallel vertical faces of the center line of the main pipe hot leg ontology.
Further, at a distance of no more than 150mm between described two parallel vertical faces.
In one embodiment of the utility model, angle is between the center line and horizontal plane of the surge tube socket
45 °, and the surge tube socket is located at the poincare half plane of horizontal plane.
In one embodiment of the utility model, angle is big between the center line and horizontal plane of the ADS stub (tube)
In being equal to 0 °, and the ADS stub (tube) is located at the poincare half plane of horizontal plane.
In one embodiment of the utility model, the center line of the surge tube socket and the ADS stub (tube)
Angle is not less than 45 ° between center line.
In one embodiment of the utility model, the center line of the surge tube socket and the ADS stub (tube)
Angle is no more than 135 ° between center line.
The double stub (tube) monoliths of the heavy caliber of the utility model forge formula main pipe hot leg structure, compared with prior art, lead to
Surge tube socket, ADS stub (tube) and main pipe hot leg ontology integration forging are crossed, weld seam quantity is reduced, reduces the welding duration,
Greatly reduce Gao Fangqu inservice inspection workload, lower Surge line piping thermally stratified layer stress, meets steam row of the ADS adapter tube under accident
Playing function demand meets ASME NB-3683.8 stub (tube) position of opening requirement, reduces forging stub (tube) steel ingot dosage, reduces forging
Make fiery time, reduce main pipeline and manufacture amount of machining, improve grain size at ozzle, reduce manufacture difficulty, reduce main pipeline manufacture at
This, realizes the purpose of this utility model.
The characteristics of the utility model, sees the detailed description of the drawings of the present case and following preferable embodiment and obtains clear
Ground understands.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiments of the present invention 1；
Fig. 2 is the cross-sectional view of the A-A of Fig. 1；
Fig. 3 is the structural schematic diagram of the embodiments of the present invention 2；
Fig. 4 is the cross-sectional view of the B-B of Fig. 3；
Fig. 5 is the structural schematic diagram of the embodiments of the present invention 3；
Fig. 6 is the cross-sectional view of the C-C of Fig. 5；
Fig. 7 is the structural schematic diagram of the embodiments of the present invention 4；
Fig. 8 is the cross-sectional view of the D-D of Fig. 7；
Fig. 9 is the structural schematic diagram of the embodiments of the present invention 5；
Figure 10 is the cross-sectional view of the E-E of Fig. 9；
Figure 11 is the structural schematic diagram of the embodiments of the present invention 6；
Figure 12 is the cross-sectional view of the F-F of Figure 11.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
As depicted in figs. 1 and 2, the double stub (tube) monoliths of the heavy caliber of the utility model forge formula main pipe hot leg structure, it
It is formed including main pipe hot leg ontology 1, surge tube socket 2 and ADS stub (tube) 3, surge tube socket 2 and ADS stub (tube) 3 are whole
Block forging and it is integrated with main pipe hot leg ontology 1 forge, surge tube socket 2 and ADS stub (tube) 3 are separately positioned on master
On the long and straight section of pipeline hot arc ontology 1.
In the present invention, the center line of the center line of surge tube socket 2 and ADS stub (tube) 3 is located at main pipeline heat
On the same vertical plane of the center line of Duan Benti 1.
In the present invention, the center line of the center line of surge tube socket 2 and ADS stub (tube) 3 is located at main pipeline heat
On two parallel vertical faces of the center line of Duan Benti 1；At a distance of no more than 150mm between two parallel vertical faces.
In the present invention, angle is 45 ° between the center line and horizontal plane of surge tube socket 2, and surge
Tube socket 2 is located at the poincare half plane of horizontal plane.
In the present invention, angle is more than or equal to 0 ° between the center line and horizontal plane of ADS stub (tube) 3, and ADS connects
Tube socket 3 is located at the poincare half plane of horizontal plane.
In the present invention, angle is not between the center line of surge tube socket 2 and the center line of ADS stub (tube) 3
Less than 45 °；Angle is no more than 135 ° between the center line of surge tube socket 2 and the center line of ADS stub (tube) 3.
Embodiment 1
As depicted in figs. 1 and 2, the double stub (tube) monoliths of the heavy caliber of the present embodiment forge formula main pipe hot leg structure, it is wrapped
It includes main pipe hot leg ontology 1, surge tube socket 2 and ADS stub (tube) 3 to form, 3 monolith of surge tube socket 2 and ADS stub (tube)
Forge and it is integrated with main pipe hot leg ontology 1 forge, surge tube socket 2 and ADS stub (tube) 3 are separately positioned on supervisor
On the long and straight section of road hot arc ontology 1.
The center line of surge tube socket 2 and the center line of ADS stub (tube) 3 are located at the center line of main pipe hot leg ontology 1
Same vertical plane on, angle is 135 ° between the center line of surge tube socket 2 and the center line of ADS stub (tube) 3.
Embodiment 2
As shown in Figure 3 and Figure 4, the double stub (tube) monoliths of the heavy caliber of the present embodiment forge formula main pipe hot leg structure, it is wrapped
It includes main pipe hot leg ontology 1, surge tube socket 2 and ADS stub (tube) 3 to form, 3 monolith of surge tube socket 2 and ADS stub (tube)
Forge and it is integrated with main pipe hot leg ontology 1 forge, surge tube socket 2 and ADS stub (tube) 3 are separately positioned on supervisor
On the long and straight section of road hot arc ontology 1.
The center line of surge tube socket 2 and the center line of ADS stub (tube) 3 are located at the center line of main pipe hot leg ontology 1
Same vertical plane on, angle is 90 ° between the center line of surge tube socket 2 and the center line of ADS stub (tube) 3.
In conjunction with the embodiments 1, between the center line of surge tube socket 2 and the center line of ADS stub (tube) 3 angle be 45 °-
Between 135 °.
Embodiment 3
As shown in Figure 5 and Figure 6, the double stub (tube) monoliths of the heavy caliber of the present embodiment forge formula main pipe hot leg structure, it is wrapped
It includes main pipe hot leg ontology 1, surge tube socket 2 and ADS stub (tube) 3 to form, 3 monolith of surge tube socket 2 and ADS stub (tube)
Forge and it is integrated with main pipe hot leg ontology 1 forge, surge tube socket 2 and ADS stub (tube) 3 are separately positioned on supervisor
On the long and straight section of road hot arc ontology 1.
The center line of surge tube socket 2 and the center line of ADS stub (tube) 3 are located at the center line of main pipe hot leg ontology 1
Two parallel vertical planes, after being located at surge tube socket 2 along direction of flow ADS stub (tube) 3, surge tube socket 2
Angle is 135 ° between center line and the center line of ADS stub (tube) 3.
Embodiment 4
As shown in Figure 7 and Figure 8, the double stub (tube) monoliths of the heavy caliber of the present embodiment forge formula main pipe hot leg structure, it is wrapped
It includes main pipe hot leg ontology 1, surge tube socket 2 and ADS stub (tube) 3 to form, 3 monolith of surge tube socket 2 and ADS stub (tube)
Forge and it is integrated with main pipe hot leg ontology 1 forge, surge tube socket 2 and ADS stub (tube) 3 are separately positioned on supervisor
On the long and straight section of road hot arc ontology 1.
The center line of surge tube socket 2 and the center line of ADS stub (tube) 3 are located at the center line of main pipe hot leg ontology 1
Two parallel vertical planes, after being located at surge tube socket 2 along direction of flow ADS stub (tube) 3, surge tube socket 2
Angle is 90 ° between center line and the center line of ADS stub (tube) 3.
In conjunction with the embodiments 3, between the center line of surge tube socket 2 and the center line of ADS stub (tube) 3 angle be 45 °-
Between 135 °.
Embodiment 5
As shown in Figure 9 and Figure 10, the double stub (tube) monoliths of the heavy caliber of the present embodiment forge formula main pipe hot leg structure, it is wrapped
It includes main pipe hot leg ontology 1, surge tube socket 2 and ADS stub (tube) 3 to form, 3 monolith of surge tube socket 2 and ADS stub (tube)
Forge and it is integrated with main pipe hot leg ontology 1 forge, surge tube socket 2 and ADS stub (tube) 3 are separately positioned on supervisor
On the long and straight section of road hot arc ontology 1.
The center line of surge tube socket 2 and the center line of ADS stub (tube) 3 are located at the center line of main pipe hot leg ontology 1
Two parallel vertical planes, after being located at ADS stub (tube) 3 along direction of flow surge tube socket 2, surge tube socket 2
Angle is 135 ° between center line and the center line of ADS stub (tube) 3.
Embodiment 6
As is illustrated by figs. 11 and 12, the double stub (tube) monoliths of the heavy caliber of the present embodiment forge formula main pipe hot leg structure, it
It is formed including main pipe hot leg ontology 1, surge tube socket 2 and ADS stub (tube) 3, surge tube socket 2 and ADS stub (tube) 3 are whole
Block forging and it is integrated with main pipe hot leg ontology 1 forge, surge tube socket 2 and ADS stub (tube) 3 are separately positioned on master
On the long and straight section of pipeline hot arc ontology 1.
The center line of surge tube socket 2 and the center line of ADS stub (tube) 3 are located at the center line of main pipe hot leg ontology 1
Two parallel vertical planes, after being located at ADS stub (tube) 3 along direction of flow surge tube socket 2, surge tube socket 2
Angle is 90 ° between center line and the center line of ADS stub (tube) 3.
In conjunction with the embodiments 5, between the center line of surge tube socket 2 and the center line of ADS stub (tube) 3 angle be 45 °-
Between 135 °.
The double stub (tube) monoliths of the heavy caliber of the utility model forge formula main pipe hot leg structure, have following technological merit:
1) weld seam quantity is reduced, the welding duration is reduced；
2) greatly reduce Gao Fangqu inservice inspection workload；
3) lower Surge line piping thermally stratified layer stress；
4) meet ADS and take over the steam discharge function demand under accident；
5) meet ASME NB-3683.8 stub (tube) position of opening requirement；
6) forging stub (tube) steel ingot dosage is reduced, forging times are reduced；
7) it reduces main pipeline and manufactures amount of machining；
8) main pipeline manufacturing cost is reduced.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention, the utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (8)
1. a kind of double stub (tube) monoliths of heavy caliber forge formula main pipe hot leg structure, which is characterized in that it includes main pipe hot leg
Ontology, surge tube socket and ADS stub (tube) composition, the surge tube socket and the ADS stub (tube) monolith forging and with
The main pipe hot leg ontology integration is forged, and the surge tube socket and the ADS stub (tube) are separately positioned on master
On the long and straight section of pipeline hot arc ontology.
2. the double stub (tube) monoliths of heavy caliber as described in claim 1 forge formula main pipe hot leg structure, which is characterized in that described
The center line of the center line of surge tube socket and the ADS stub (tube) is located at the same of the center line of the main pipe hot leg ontology
On one vertical plane.
3. the double stub (tube) monoliths of heavy caliber as described in claim 1 forge formula main pipe hot leg structure, which is characterized in that described
The center line of the center line of surge tube socket and the ADS stub (tube) is located at the two of the center line of the main pipe hot leg ontology
On a parallel vertical face.
4. the double stub (tube) monoliths of heavy caliber as claimed in claim 3 forge formula main pipe hot leg structure, which is characterized in that described
At a distance of no more than 150mm between two parallel vertical faces.
5. the double stub (tube) monoliths of heavy caliber as claimed in claim 2 or claim 3 forge formula main pipe hot leg structure, which is characterized in that
Angle is 45 ° between the center line and horizontal plane of the surge tube socket, and the surge tube socket is located at horizontal plane
Poincare half plane.
6. the double stub (tube) monoliths of heavy caliber as claimed in claim 2 or claim 3 forge formula main pipe hot leg structure, which is characterized in that
Angle is more than or equal to 0 ° between the center line and horizontal plane of the ADS stub (tube), and the ADS stub (tube) is located at horizontal plane
Poincare half plane.
7. the double stub (tube) monoliths of heavy caliber as claimed in claim 2 or claim 3 forge formula main pipe hot leg structure, which is characterized in that
Angle is not less than 45 ° between the center line of the surge tube socket and the center line of the ADS stub (tube).
8. the double stub (tube) monoliths of heavy caliber as claimed in claim 2 or claim 3 forge formula main pipe hot leg structure, which is characterized in that
Angle is no more than 135 ° between the center line of the surge tube socket and the center line of the ADS stub (tube).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098322.4U CN208889335U (en) | 2018-07-11 | 2018-07-11 | A kind of double stub (tube) monoliths forging formula main pipe hot leg structures of heavy caliber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098322.4U CN208889335U (en) | 2018-07-11 | 2018-07-11 | A kind of double stub (tube) monoliths forging formula main pipe hot leg structures of heavy caliber |
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| Publication Number | Publication Date |
|---|---|
| CN208889335U true CN208889335U (en) | 2019-05-21 |
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| CN201821098322.4U Active CN208889335U (en) | 2018-07-11 | 2018-07-11 | A kind of double stub (tube) monoliths forging formula main pipe hot leg structures of heavy caliber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648838A (en) * | 2018-07-11 | 2018-10-12 | 上海核工程研究设计院有限公司 | A kind of double stub (tube) monoblocks forging formula main pipe hot leg structures of heavy caliber |
-
2018
- 2018-07-11 CN CN201821098322.4U patent/CN208889335U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648838A (en) * | 2018-07-11 | 2018-10-12 | 上海核工程研究设计院有限公司 | A kind of double stub (tube) monoblocks forging formula main pipe hot leg structures of heavy caliber |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |