CN106593934A - Vertical pump for pool type reactor - Google Patents
Vertical pump for pool type reactor Download PDFInfo
- Publication number
- CN106593934A CN106593934A CN201611261841.3A CN201611261841A CN106593934A CN 106593934 A CN106593934 A CN 106593934A CN 201611261841 A CN201611261841 A CN 201611261841A CN 106593934 A CN106593934 A CN 106593934A
- Authority
- CN
- China
- Prior art keywords
- pump
- vertical pump
- pump shaft
- vertical
- pool
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000011148 porous material Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 2
- 239000002826 coolant Substances 0.000 abstract description 31
- 238000010586 diagram Methods 0.000 description 5
- 230000008646 thermal stress Effects 0.000 description 5
- 239000011133 lead Substances 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001338 liquidmetal Inorganic materials 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a vertical pump for a pool type reactor. The vertical pump for the pool type reactor comprises a pump shaft, a vertical pump shell, a hydraulic component, a power input component and a circulation component. The pump shaft is arranged in the vertical pump shell. The upper end of the pump shaft extends out of the vertical pump shell to be connected with the power input component. The lower end of the pump shaft extends out of the vertical pump shell to be connected with the hydraulic component. The circulation component is arranged on the portion, in liquid, of the pump shaft and used for generating upward or downward flowing power when the pump shaft rotates. The portion, corresponding to the circulation component, of the vertical pump shell is provided with two or more communicating holes. At least two of the communicating holes are located at different heights. The vertical pump is mainly applied to the pool type reactor and used as a main circulation pump for driving coolant, and the vertical pump for the pool type reactor can provide a enough pressure head; and besides, because the circulation component is installed on the pump shaft, the coolant in the pump shell can communicate with coolant in a reactor pool, and the coolant in the pump shell is protected against a flowing dead zone.
Description
Technical field
The present invention relates to a kind of pool reactor vertical pump, the circulation main pump can using with pool type natrium cold heap, pool lead
Ji Dui and other pool reactors, as the driving equipment of main coolant loop circulation.
Background technology
In forth generation advanced reactor, sodium cooled reactor and lead base heap are pool reactor.Coolant in pool reactor
Circulation needs pump to provide driving force.The medium of pool reactor main pump conveying is the liquid metals such as Liquid Sodium, lead and metal.Machine
Tool pump is high due to its structure and technics comparing maturation, reliability, with application widely, it is also possible to which application and pool are reacted
In heap.
In liquid metal cooling pool reactor, primary Ioops are circulated for pool, and nuclear fuel and main pump, main heat exchanger etc. are closed
Button apparatus are placed in primary tank, and the cyclic process of primary Ioops coolant occurs in primary tank.In reactor operation not
With operating mode and different phase, the temperature of coolant is different.Ambient temperature i.e. residing for main circulation pump is different, therefore will
Ask main circulation pump be designed to reduce as far as possible thermal expansion generation thermal stress.For some liquid heavy metal pool reactors,
Need to carry out in chemical Composition Control, therefore primary tank, the presence of flow dead to all of coolant in primary tank.For
Water pump under common vertical solution, does not consider in temperature change and pump, is especially immersed in the housing at non-hydraulic part under liquid
The flowability problem of the pumped (conveying) medium included by part.
The content of the invention
The technical problem to be solved is to provide a kind of coolant that can avoid conveying and flow dead occurs
Pool reactor vertical pump.
In order to solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：A kind of pool reactor vertical pump, bag
Include pump shaft, vertical pump case, hydraulic part, power input part and circulation member；
The pump shaft is arranged in the vertical pump case, and the vertical pump case and the power are stretched out in the upper end of the pump shaft
Input block connects, and the lower end of the pump shaft is stretched out the vertical pump case and is connected with the hydraulic part；
The circulation member is arranged on part under the liquid on the pump shaft, for producing up or down when pump shaft is rotated
Mobilization force, be provided with plural intercommunicating pore at the position of the corresponding circulation member on the vertical pump case, it is described two
At least two intercommunicating pores in intercommunicating pore above are located at differing heights.
Further, the circulation member is the axle sleeve on the pump shaft, and axle sleeve is provided with helical structure or spiral shell
Stricture of vagina blade.
Further, the circulation member is the micro-blade being arranged on the pump shaft.
Further, support member is provided with the top of the vertical pump case, the pump shaft passes through the support member.
Further, the upper end outer wall of the vertical pump case is provided with fixed component, the pool reactor vertical pump
It is placed on the primary tank of pool reactor by fixed component.
Further, sealing is realized by axle envelope part between the upper end inwall and the pump shaft of the vertical pump case.
Further, the circulation member and its supporting plural intercommunicating pore can be one or more groups of.
Further, the inlet ductwork of the export pipeline and radial direction of axial direction is connected with the hydraulic part.
Further, be provided with least one groove in the free end end face of the export pipeline, with the export pipeline
At least one boss is provided with the in-pile component pipeline being engaged.
Further, the export pipeline is axial outlet, and with in-pile component pipeline with the plane with labyrinth structure
Or the conical surface forms elastic packing.
Beneficial effects of the present invention are embodied in：
Pool reactor vertical pump of the present invention by circulation member is installed on pump shaft, can make coolant in pump case with
Flows outside is connected, it is to avoid flow dead occurs in the coolant in pump case.
Pool reactor vertical pump of the present invention is mainly used in the pool reactors such as sodium cooled reactor, lead base heap, used as cooling
The main circulation pump that agent drives, using the teaching of the invention it is possible to provide enough pressure heads, and compact conformation, stable, reliability are high.
Pool reactor vertical pump of the present invention is vertical solution following formula, is placed in pool reactor entirely through fixed component
Primary tank on, maintenance, easy accessibility.
The matching structure design different running temperatures of consideration of pool reactor vertical pump of the present invention and in-pile component pipeline
Under heat distortion amount, pump case etc. can be made to move freely in axial certain limit, slow down the thermal stress brought of expanding with heat and contract with cold.
Pool reactor vertical pump of the present invention is simple with the connected mode of reactor other structures part, can not remove
Pump is integrally removed under conditions of part in pump.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is schematic view of the mounting position of the present invention in one primary tank of pool reactor.
When Fig. 3 is export pipeline in the present invention temperature is relatively low in the pond and in-pile component relative position schematic diagram.
When Fig. 4 is export pipeline in the present invention temperature is higher in the pond and in-pile component relative position schematic diagram.
Fig. 5 is the signal on export pipeline and in-pile component in the present invention with multigroup boss and recessinterengaging means
Figure.
Fig. 6 is a kind of version and the flow direction schematic diagram of coolant of the circulation member in the present invention.
Fig. 7 is a kind of version schematic diagram of the circulation member in the present invention.
Fig. 8 is the third version schematic diagram of the circulation member in the present invention.
Fig. 9 is the structural representation of another embodiment of the present invention.
In accompanying drawing the labelling of each part for：1 export pipeline, 2 inlet ductworks, 3 hydraulic parts, 4 pump shafts, 5 vertical pump cases, 6
Circulation member, 7 intercommunicating pores, 8 fixed components, 9 axle envelope parts, 10 support members, 11 power input parts, 12 in-pile component pipes
Road, 13 coolants, 14 primary tanks, 15. blanketing gas, 16 flanges, helicitic texture 6-1, screw thread blade construction 6-2, micro-blade
Structure 6-3,1-1 groove, 12-1 boss.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Referring to Fig. 1, pool reactor vertical pump of the present invention, including pump shaft 4, vertical pump case 5, hydraulic part 3, power be defeated
Enter part 11 and circulation member 6；
The pump shaft 4 is arranged in the vertical pump case 5, the upper end of the pump shaft 4 stretch out the vertical pump case 5 with it is described
Power input part 11 connects, and the lower end of the pump shaft 4 is stretched out the vertical pump case 5 and is connected with the hydraulic part 3, the water
Export pipeline 1 and inlet ductwork 2 are connected with power part 3, are led between the upper end inwall and the pump shaft 4 of the vertical pump case 5
Cross axle envelope part 9 and realize sealing；
The circulation member 6 is arranged on part under the liquid of the pump shaft 4, for when pump shaft 4 is rotated produce upwards or to
Under mobilization force, be provided with plural intercommunicating pore 7 at the position of the corresponding circulation member 6 on the vertical pump case 5, it is described
At least two intercommunicating pores 7 in plural intercommunicating pore 7 are located at differing heights.
As shown in Fig. 2 pump of the present invention is placed in a pool reactor, the primary tank 14 of pool reactor is built with liquid
State coolant metal 13, fills some blanketing gas 15 in 14 inner upper space of primary tank.In the top cover of primary tank 14
On be machined with flange 16 for being connected with pump of the present invention, the upper end outer wall of the vertical pump case 5 of pump of the present invention is provided with fixed part
Part 8, can be radially-protruding flange, and pump of the present invention is by the connection of fixed component 8 and adpting flange 16 installed in primary tank
On 14, when installing, safeguarding and change pump inner part, pump inner part need not be dismantled, only need to be by the fixed component 8 of pump and primary tank
The connection of 14 top covers is removed, and directly can integrally be extracted the pump housing from top cover out.
In primary tank 14, part-structure is located at outside primary tank 14 part-structure of pump of the present invention.Wherein, outlet
Road 1, inlet ductwork 2, hydraulic part 3, circulation member 6, and part pump shaft 4 and vertical pump case 5 be in liquid metal coolant
Under 13 liquid levels, in blanketing gas 15, power input part 11 is in outside primary tank 14 axle envelope part 9, power input part
11 can be motor.
Coolant 13 in primary tank 14 enters hydraulic part 3 by inlet ductwork 2, so as to realize the increasing of coolant 13
Pressure, the coolant 13 of high pressure are flowed out from export pipeline 1, wherein, inlet ductwork 2 is not connected with other parts, is radially open
Entrance, is directly opened in coolant 13, is connected with coolant in pond, and export pipeline 1 is with in-pile component pipeline 12 by having
The conical surface of labyrinth structure or plane contact sealing.
In one embodiment, in order to increase the stability of pump shaft 4, the top of the vertical pump case 5 is provided with support member
10, the pump shaft 4 passes through the support member 10 of the support member 10, this position to adopt a pair of angular contact ball bearings, is used in combination
Oil is lubricated and cools down；Also sealing can be realized by axle envelope part between the lower end inner wall of vertical pump case 5 and the pump shaft 4.
Fig. 6 illustrates a kind of version of circulation member 6 in pump of the present invention, is immersed in 4 sections of pump shaft in coolant Wai
Circulation member 6 is installed in side, and circulation member 6 is axle sleeve, is machined with one section of helical structure 6-1 (i.e. external screw thread), follows on circulation member 6
Helical structure 6-1 on ring component 6 is optimized design according to the flow direction of coolant with the relative position of intercommunicating pore 7, even
The effect of through hole 7 is to provide the passage that coolant is flowed in vertical pump case 5 and primary tank 14 between.When the pump is operated, spiral
Structure 6-1 is rotated with pump shaft 4, and so as to produce vertical axial mobilization force upwards, coolant is downward by relative position
Intercommunicating pore 7 from primary tank 14 enter vertical pump case 5 in, under the driving effect of helical structure 6-1, flow up, by phase
Position intercommunicating pore 7 upwards is flowed out in primary tank 14 from vertical pump case 5, formation is circulated.
Fig. 7 illustrates another kind of version of circulation member 6 in the present invention, and the circulation member 6 is axle sleeve, is pacified on axle sleeve
Equipped with screw thread blade construction 6-2.Operation principle is with the principle described in Fig. 6, and relevant position opens up intercommunicating pore on vertical pump case 5
7。
Fig. 8 illustrates the third version of circulation member in the present invention, and the circulation member 6 is on pump shaft 4
Micro-blade structure 6-3, the such as less Minisize axial streaming blade of external diameter or the less miniature stator blade of external diameter.Operation principle
With the principle described in Fig. 6, and relevant position opens up intercommunicating pore 7 on vertical pump case 5.
Preferably, on the vertical pump case 5 corresponding with one group of helicitic texture 6-1 intercommunicating pore 7 in radial direction angularly
3～5 are arranged, 2～4 sections are set in axial direction；The circulation member 6 and its supporting plural intercommunicating pore 7
Can be one or more groups of.
It is worth explanation, Fig. 6, Fig. 7, Fig. 8 are several preferred structures of circulation member in the present invention, and other are easily associated
, with allow fluid and vertical pump case 5 in vertical pump case 5 to outflow structure that body circulation gets up in the protection domain of this patent
It is interior.The circulation member of this several preferred structure can select different rotation directions, to produce mobilization force up or down, can
Realize the purpose of circulating coolant.
In primary tank 14, the temperature of coolant 13 is relevant with the operating condition of nuclear reactor.In shutdown, coolant 13
Temperature be slightly above fusing point, and in Operation at full power, the temperature of coolant 13 can rise to design load.In different power and
Run under operating mode, the temperature of coolant 13 is all not quite identical.Due to the ambient temperature residing for the pump housing be not it is changeless,
Therefore certain thermal stress can be born.In one embodiment, thermal stress buffer structure is designed with export pipeline 1.Separately below
Introduce.
Fig. 3, Fig. 4 export pipeline 1 and the elastic connection way of in-pile component pipeline 12 for pump.As shown in figure 4, pump goes out
Fluted 1-1 is processed on mouth pipeline 1.Boss 12-1 is machined with in-pile component pipeline 12.Consider pump at the highest temperature and most
The position of export pipeline 1 under low temperature.Height L1, i.e. L1 of depth L2 of groove 1-1 more than boss 12-1<L2.In thermal deformation most
Under little operating mode, between pump discharge pipeline 1 and coupled in-pile component 12, there is certain relative distance L, and L<L1.
Under the maximum operating mode of thermal deformation, pump discharge pipeline 1 and coupled in-pile component 12 are brought into close contact, i.e. L=0.In addition,
Width W1s of the width W2 of groove 1-1 more than boss 12-1.In width, boss 12-1 is installed in the centre of groove 1-1.It is logical
Cross pump lower end support 5 described above and export pipeline 1 is designed, can effectively slow down the thermal stress of pump.
The connection end end face of in-pile component pipeline 12 be provided with for export pipeline 1 open into draw-in groove, boss 12-1 is arranged on
Draw-in groove diapire.In toroidal direction, the quantity of boss and groove can be one or more groups of, and boss with the shape of groove can be
Various shapes.
As shown in figure 5, easily associate, when the sealing surface between the export pipeline 1 and in-pile component pipeline 12 of pump is in footpath
When having larger size, the labyrinth structure with multigroup boss worked in coordination Yu groove can be set.Export pipeline 1 and heap
The connected mode of inner member pipeline 12 coordinates for freestanding sealing surface, and sealing surface is plane or the conical surface, arranges on sealing surface
Labyrinth structure, the labyrinth structure on export pipeline and in-pile component pipeline are worked in coordination.Additionally, arbitrarily changing boss with groove
Shape, size and arrangement mode, belong to the protection domain that this patent is easily associated.
As shown in figure 9, in another embodiment, in order to increase the stability of pump shaft 4, one is also provided with the middle part of pump shaft 4
Set support member 10, the effect of support member are to support pump shaft, and the support member of this position is sliding bearing, is conveyed by pump
Coolant be lubricated and cool down, due to shaft part increase, 10 both sides of support member in the middle part of pump shaft 4 are respectively provided with circulation portions
Part 6.And the intercommunicating pore 7 being engaged with circulation member is set up on corresponding vertical pump case 5.
Easily associate, other have the vertical pump configuration of multigroup circulation member 6 also in the protection domain of this patent.
Above-described, only presently preferred embodiments of the present invention is not limited to the scope of the present invention.Every foundation is originally
Simple, equivalence changes and modification that claims and description of patent application are made, fall within patent of the present invention
Claims.The present invention not detailed description is routine techniquess content.
It should be understood that example as herein described and embodiment are not limited to the present invention, this area only for explanation
Technical staff can make various modifications or change according to it, all any modifications within the spirit and principles in the present invention, made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of pool reactor vertical pump, it is characterised in that：Including pump shaft (4), vertical pump case (5), hydraulic part (3),
Power input part (11) and circulation member (6)；
The pump shaft (4) is arranged in the vertical pump case (5), the upper end of the pump shaft (4) stretch out the vertical pump case (5) with
Power input part (11) connection, the vertical pump case (5) and the hydraulic part are stretched out in the lower end of the pump shaft (4)
(3) connect；
The circulation member (6) is arranged on part under the liquid of the pump shaft (4), for when pump shaft (4) is rotated produce upwards or
Downward mobilization force, is provided with plural intercommunicating pore at the position of the corresponding circulation member (6) on the vertical pump case (5)
(7), at least two intercommunicating pores (7) in described two intercommunicating pores (7) above are positioned at differing heights.
2. pool reactor vertical pump as claimed in claim 1, it is characterised in that：The circulation member (6) be installed in
Axle sleeve on the pump shaft (4), axle sleeve are provided with helical structure (6-1) or screw thread blade (6-2).
3. pool reactor vertical pump as claimed in claim 1, it is characterised in that：The circulation member (6) is to be arranged on
Micro-blade (6-3) on the pump shaft (4).
4. the pool reactor vertical pump as described in claim 1 or 2 or 3, it is characterised in that：The vertical pump case (5)
Top is provided with support member (10), and the pump shaft (4) is through the support member (10).
5. the pool reactor vertical pump as described in claim 1 or 2 or 3, it is characterised in that：The vertical pump case (5)
Upper end outer wall is provided with fixed component (8), and the pool reactor vertical pump is placed in pool reaction by fixed component (8)
On the primary tank (14) of heap.
6. the pool reactor vertical pump as described in claim 1 or 2 or 3, it is characterised in that：The vertical pump case (5)
Sealing is realized by axle envelope part (9) between upper end inwall and the pump shaft (4).
7. the pool reactor vertical pump as described in claim 1 or 2 or 3, it is characterised in that：The circulation member (6) and
Its supporting plural intercommunicating pore (7) can be one or more groups of.
8. the pool reactor vertical pump as described in claim 1 or 2 or 3, it is characterised in that：On the hydraulic part (3)
It is connected with the inlet ductwork (2) of the export pipeline (1) and radial direction of axial direction.
9. pool reactor vertical pump as claimed in claim 8, it is characterised in that：The free end of the export pipeline (1)
At least one groove (1-1) is provided with end face, be provided with the in-pile component pipeline (12) being engaged with the export pipeline to
A few boss (12-1).
10. pool reactor vertical pump as claimed in claim 8, it is characterised in that：The export pipeline (1) is Axial-running Out
Mouthful, and elastic packing is formed with the plane with labyrinth structure or the conical surface with in-pile component pipeline (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611261841.3A CN106593934B (en) | 2016-12-30 | 2016-12-30 | A kind of pool reactor vertical pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611261841.3A CN106593934B (en) | 2016-12-30 | 2016-12-30 | A kind of pool reactor vertical pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106593934A true CN106593934A (en) | 2017-04-26 |
| CN106593934B CN106593934B (en) | 2017-09-12 |
Family
ID=58581846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611261841.3A Expired - Fee Related CN106593934B (en) | 2016-12-30 | 2016-12-30 | A kind of pool reactor vertical pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106593934B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8202892A (en) * | 1982-07-16 | 1984-02-16 | Neratoom | Liq. metal coolant pump of nuclear reactor - maintains coolant level above impeller using axial bores and upstream second impeller |
| SU1536549A1 (en) * | 1988-01-20 | 1994-11-30 | А.В. Обухов | Reaction crystallizer |
| CN102562614A (en) * | 2012-01-18 | 2012-07-11 | 长沙矿冶研究院有限责任公司 | Non-blocking double-channel pump with large particles |
| CN104658620A (en) * | 2015-02-05 | 2015-05-27 | 中国科学院合肥物质科学研究院 | Main loop circulating device for pool type liquid heavy metal cooling reactor |
-
2016
- 2016-12-30 CN CN201611261841.3A patent/CN106593934B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8202892A (en) * | 1982-07-16 | 1984-02-16 | Neratoom | Liq. metal coolant pump of nuclear reactor - maintains coolant level above impeller using axial bores and upstream second impeller |
| SU1536549A1 (en) * | 1988-01-20 | 1994-11-30 | А.В. Обухов | Reaction crystallizer |
| CN102562614A (en) * | 2012-01-18 | 2012-07-11 | 长沙矿冶研究院有限责任公司 | Non-blocking double-channel pump with large particles |
| CN104658620A (en) * | 2015-02-05 | 2015-05-27 | 中国科学院合肥物质科学研究院 | Main loop circulating device for pool type liquid heavy metal cooling reactor |
Non-Patent Citations (1)
| Title |
|---|
| 李小龙等: "《反应堆主泵压水室出口收缩角对水力性能的影响》", 《第三届核能行业核级泵技术研讨会论文集》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106593934B (en) | 2017-09-12 |
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