CN209213295U - A kind of vortex diode system for reactor - Google Patents
A kind of vortex diode system for reactor Download PDFInfo
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- CN209213295U CN209213295U CN201821863324.8U CN201821863324U CN209213295U CN 209213295 U CN209213295 U CN 209213295U CN 201821863324 U CN201821863324 U CN 201821863324U CN 209213295 U CN209213295 U CN 209213295U
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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 utility model belongs to reactor engineering technical field, discloses a kind of vortex diode system for reactor.The both ends of the system are connect with liquid inflow pipe and liquid outflow conduit respectively；The diode system includes 1 diode or multiple diodes being arranged in parallel being arranged in disc core material and core material, and according to the difference of number of diodes, multiple diode is uniformly distributed in disc core material according to the form for being arranged into a circle or two circles.Fluid flow in reactor is conveyed using diode system provided by the utility model, especially the cooling medium sodium in fast neutron reactor is conveyed, can be used for controlling flow regime and flow velocity, traffic requirement of the liquid sodium under nominal situation and accident condition.
Description
Technical field
The utility model belongs to reactor engineering technical field, and in particular to a kind of vortex diode system for reactor
System.
Background technique
Vortex diode is as the unidirectional fluid element in fluid control, in fluid conveying, especially substitutes non-return valve
There is important application value in protecting water hammer.Currently, it is mainly used for controlling occlusion adjustments valve and the radiation of fluid flowing
The conveying device of property solution.But due to the larger difference with technical conditions of span between profession, diode is in reaction windrow at present
Industry is not applied.
The typical structure of vortex diode is made of tangent line pipe, tube axial and eddy chamber three parts.When fluid is from tangential
When pipe flows into, strong eddy flow is formed in eddy chamber, generates high resistant；And when fluid is flowed into from tube axial, flow resistance very little.
Therefore it can be regarded as check valve, plays the role of in circuit " diode " one-way conduction.The evaluation index of its performance is double
Grade property D (D=ξR/ξF)。
The Experiment of Principle that Guo Yan China, Tsinghua University etc. discloses vortex diode is studied, but max-flow in the publication
Speed is only 3m/s, but the mean flow rate limit value of throttling element is usually 12m/s in reactor, and flow can not be too small.Cause
The diode provided in the displosure document is not able to satisfy reactor engineering needs, need to seek it is a kind of be not only able to satisfy flow rate requirement but also
It is able to satisfy the diode apparatus of flow demand.
Utility model content
(1) purpose of utility model
According to problem of the existing technology, the utility model, which provides one kind, can either meet reactor to cooling liquid
Flow rate requirement is able to satisfy the diode system of flow demand again, so that generating when fluid flow direction is different biggish
Pressure drop difference.
(2) technical solution
Of the existing technology, the technical scheme that the utility model is provided is as follows in order to solve the problems, such as:
A kind of vortex diode system for reactor, the both ends of the system respectively with liquid inflow pipe and liquid flow
Pipeline connects out；The diode system includes 1 diode being arranged in disc core material and core material or multiple is arranged in parallel
Diode, according to the difference of number of diodes, multiple diode in disc core material according to be arranged into a circle or two circle
Form is uniformly distributed；
The diode includes first axis pipe, vortex cavity, tangent line pipe, connected ball and the second tube axial, wherein the second axis
Xiang Guanyu first axis pipe is parallel and opening is towards on the contrary；The vortex cavity is described between first axis pipe and tangent line pipe
Tangent line pipe is located in the tangential direction of vortex cavity, and tangent line pipe is provided with connected ball far from one end of vortex cavity, the second tube axial
One end is connect by connected ball with tangent line pipe；
The first axis pipe is located at the radial center for the first cylindrical body being arranged in core material, the quantity of first cylindrical body
Consistent with the quantity of required diode, the perforative duct being arranged at the first cylindrical body radial center is first axis pipe；It should
First cylindrical body is located in the first duct being arranged in core material, and the upper surface of the first cylindrical body, the first duct and core material is concordant, the
The length in one duct is less than the thickness of core material；Wherein the first duct is divided into upper and lower two parts, under the aperture of middle and upper part point is greater than
Part aperture, in order to fix the first cylindrical body；The shape and size of first cylindrical body and the shape and size in the first duct are kissed
Less than the length of part under the first duct, the first duct is located at below the first cylindrical body the length of part under conjunction and the first cylindrical body
Part be vortex cavity；
Second tube axial is connect by connected ball with tangent line pipe, and the second tube axial is the third hole being arranged below core material
Road, which is cylindrical and lower end is concordant with core material bottom.
Preferably, first axis pipe is identical with tangent line pipe diameter；Connected ball is identical with the second axial pipe diameter, and the second axis
To 1.3~1.7 times that the diameter of pipe is first axis pipe diameter, vortex cavity diameter is 3.5~4.5 times of first axis pipe, is cut
Spool length is 0.6~0.8 times of vortex cavity diameter；
Preferably, the quantity of the diode is 1~18.
Preferably, the quantity of the diode is 18.
Preferably, the liquid in the liquid inflow pipe and liquid outflow conduit is sodium.
Preferably, the diameter of second tube axial is 1.5 times of first axis pipe diameter.
Preferably, the core material is stainless steel.
Preferably, the diameter of the core material is consistent with the diameter of liquid inflow pipe, liquid outflow conduit.
The processing method of diode system, method includes the following steps:
(1) according in reactor to the diameter of the needs of fluid flow and liquid inflow pipe and liquid outflow conduit, meter
Calculate the quantity of required diode in diode system；
(2) the first duct coincideing with required number of diodes, first duct are cut in a disc core material
It is divided into upper and lower two parts, the aperture of middle and upper part point is greater than lower part aperture, while the cylindrical body that will be cut from the first duct
As the first cylindrical body, the shape and size of first cylindrical body are consistent with the first duct；Under first cylindrical body outer diameter is lesser
Part cut in the longitudinal direction with consistent one section of required vortex cavity height, while the radial center of the first cylindrical body being processed
Perforative through-hole is placed in the first duct, which is to be used as the first axis pipe of the diode, below the first cylindrical body
Channel section is the vortex cavity region of diode；
(3) a similar second cylindrical duct is cut from the tangent position of vortex cavity on core material outer wall, is obtained
One second class cylindrical body tangent with vortex cavity；
(4) third duct is cut from core material bottom, which is cylinder type, and length extends to tangent line from core material bottom end
Height and position where pipe；An orbicule, the orbicule and tangent line pipe and third hole are cut with ball knife out of third duct again
Road connection；The third duct is the second tube axial of diode；
(5) the second class cylindrical body is placed in the second duct, one end of the second class cylindrical body connects orbicule and do not block
Orbicule and tangent line pipe, and the part that the second class cylindrical body grows core material outer wall is cut off.
(3) beneficial effect
The utility model has the following beneficial effects:
Fluid flow in reactor is conveyed using diode system provided by the utility model, especially in fast
Cooling medium sodium in sub- reactor is conveyed, and can be used for controlling flowing of the liquid sodium under nominal situation and accident condition
State and flow velocity, traffic requirement.
Diode traditional at present is divided into tube axial, vortex cavity, tangent line pipe, and liquid-inlet and outlet are in vertical plane
On, and smaller only several metre per second (m/s)s of flow velocity of conventional diode, can by coolant flow it is very small.In view of in reactor
The flow velocity of throttling element 12m/s limits demand, even if traditional diode flow velocity is increased to 12m/s, can by coolant
Flow is still very limited.In addition, even if multiple conventional diodes are together in parallel, since tube axial, tangent line pipe are flat in difference
On face, also it cannot be achieved in processing.
The application creatively joined the second tube axial on the basis of traditional diode, and dependency structure size is pressed
Expanded according to certain ratio, so that in the case where each cross-section mean flow rate is no more than 12m/s, and can guarantee ratio
The flow of appropriate flow, single diode has reached 0.8kg/s.The setting of second tube axial and orbicule is so that liquid
Inlet and outlet avoids interfering with each other between each pipe in parallel plane, while being also convenient for liquid in reactor and flowing into
The arrangement of pipeline and outflow pipeline.In actual use, according to the requirement of required flow and flow rate, two poles of different number are designed
Pipe, meets the actual demand of reactor.
By reasonably limiting 1.3~1.7 times as first axis pipe diameter of the diameter of the second tube axial, vortex cavity diameter
It is 3.5~4.5 times of first axis pipe, tangent line length of tube is 0.6~0.8 times of vortex cavity diameter；So that bipolarity D it is maximum and
Diode size is also defined in zone of reasonableness.For example, the diameter of the second tube axial is 1.5 times of first axis pipe diameter, it is double
Polarity number reaches maximum 5.48.
Detailed description of the invention
Fig. 1 is diode structure schematic diagram；Fig. 2 is diode system schematic diagram；
Wherein 1 is first axis pipe；2 be vortex cavity；3 be tangent line pipe；4 be connected ball；5 be the second tube axial；6 be core
Material；7 be the first cylindrical body.
Specific embodiment
The utility model is further elaborated below in conjunction with specification drawings and specific embodiments.
Embodiment 1
A kind of vortex diode system with Mr. Yu's reactor, as depicted in figs. 1 and 2.The system is for conveying reactor
Middle sodium cooling agent.The both ends of the diode system are connect with liquid inflow pipe and liquid outflow conduit respectively；The diode system
System includes 18 diodes being arranged in parallel being arranged in disc core material and core material, and 18 diodes are in disc core material
It is uniformly distributed according to the form for being arranged into two circles；
The diode includes first axis pipe 1, vortex cavity 2, tangent line pipe 3, connected ball 4 and the second tube axial 5, wherein
Two tube axials 5 are parallel with first axis pipe 1 and opening is towards on the contrary；The vortex cavity 2 is located at first axis pipe 1 and tangent line pipe 3
Between, the tangent line pipe 3 is located in the tangential direction of vortex cavity 2, and tangent line pipe 3 is provided with connected ball far from one end of vortex cavity 2
4, one end of the second tube axial 5 is connect by connected ball 4 with tangent line pipe 3；
The first axis pipe 1 is located at the radial center for the first cylindrical body 7 being arranged in core material, first cylindrical body 7
Quantity is consistent with the quantity of required diode, and the perforative channel of the setting at 7 radial center of the first cylindrical body is first axle
To pipe 1；First cylindrical body 7 is located in the first duct being arranged in core material, the first cylindrical body 7, the first duct and core material 6 it is upper
Flush, the length in the first duct are less than the thickness of core material 6；Wherein the first duct is divided into upper and lower two parts, middle and upper part point
Aperture be greater than lower part aperture, in order to fix the first cylindrical body 7；The shape and size of first cylindrical body 7 and the first duct
Shape and size coincide and length of the length of the lower part of the first cylindrical body 7 less than part under the first duct, the first duct position
Part below the first cylindrical body 7 is vortex cavity 2；
Second tube axial 5 is connect by connected ball 4 with tangent line pipe 3, and the second tube axial 5 is to be arranged below core material 6
Second duct, which is cylindrical and lower end is concordant with 6 bottom of core material；
First axis pipe 1 is identical with 3 diameter of tangent line pipe；Connected ball 4 is identical with 5 diameter of the second tube axial, and second is axial
The diameter of pipe 5 is 1.5 times of 1 diameter of first axis pipe, and 2 diameter of vortex cavity is 4 times of first axis pipe, and tangent line length of tube is whirlpool
0.7 times for flowing chamber diameter；
The quantity of the diode is 18.The core material is stainless steel.The diameter and liquid inflow pipe of the core material,
The diameter of liquid outflow conduit is consistent.
The processing method of diode system, method includes the following steps:
(1) according in reactor to the diameter of the needs of fluid flow and liquid inflow pipe and liquid outflow conduit, meter
Calculate the quantity of required diode in diode system；
(2) the first duct coincideing with required number of diodes, first duct are cut in a disc core material
It is divided into upper and lower two parts, the aperture of middle and upper part point is greater than lower part aperture, while the cylindrical body that will be cut from the first duct
As the first cylindrical body, the shape and size of first cylindrical body are consistent with the first duct；Under first cylindrical body outer diameter is lesser
Part cut in the longitudinal direction with consistent one section of required vortex cavity height, while the radial center of the first cylindrical body being processed
Perforative through-hole is placed in the first duct, which is to be used as the first axis pipe of the diode, below the first cylindrical body
Channel section is the vortex cavity region of diode；
(3) a similar second cylindrical duct is cut from the tangent position of vortex cavity on core material outer wall, is obtained
One second class cylindrical body tangent with vortex cavity；
(4) third duct is cut from core material bottom, which is cylinder type, and length extends to tangent line from core material bottom end
Height and position where pipe；An orbicule, the orbicule and tangent line pipe and third hole are cut with ball knife out of third duct again
Road connection；The third duct is the second tube axial of diode；
(5) the second class cylindrical body is placed in the second duct, one end of the second class cylindrical body connects orbicule and do not block
Orbicule and tangent line pipe, and the part that the second class cylindrical body grows core material outer wall is cut off.
Embodiment 2
Unlike the first embodiment, the quantity of diode is 6, lines up a circle along core material and is uniformly distributed；Described second
The diameter of tube axial is 1.3 times of 1 diameter of first axis pipe, and vortex cavity diameter is 3.5 times of first axis pipe, tangent line length of tube
It is 0.6 times of vortex cavity diameter.
Embodiment 3
Unlike the first embodiment, the quantity of diode is 12, lines up two circles along core material and is uniformly distributed；Described
The diameter of two tube axials is 1.7 times of 1 diameter of first axis pipe, and vortex cavity diameter is 4.5 times of first axis pipe, tangent line pipe range
Degree is 0.8 times of vortex cavity diameter.
Claims (8)
1. a kind of vortex diode system for reactor, which is characterized in that the both ends of the system flow into liquid manage respectively
Road is connected with liquid outflow conduit；The diode system includes 1 diode or multiple being arranged in disc core material and core material
The diode being arranged in parallel, according to the difference of number of diodes, multiple diode is in disc core material according to being arranged into one
The form of circle or two circles is uniformly distributed；
The diode includes first axis pipe, vortex cavity, tangent line pipe, connected ball and the second tube axial, wherein the second tube axial
And opening parallel with first axis pipe is towards on the contrary；The vortex cavity is between first axis pipe and tangent line pipe, the tangent line
Pipe is located in the tangential direction of vortex cavity, and tangent line pipe is provided with connected ball, one end of the second tube axial far from one end of vortex cavity
It is connect by connected ball with tangent line pipe；
The first axis pipe is located at the radial center for the first cylindrical body being arranged in core material, the quantity of first cylindrical body and institute
Need the quantity of diode consistent, the perforative duct being arranged at the first cylindrical body radial center is first axis pipe；This first
Cylindrical body is located in the first duct being arranged in core material, and the upper surface of the first cylindrical body, the first duct and core material is concordant, the first hole
The length in road is less than the thickness of core material；Wherein the first duct is divided into upper and lower two parts, and the aperture of middle and upper part point is greater than lower part
Aperture, in order to fix the first cylindrical body；The shape and size in the shape and size of the first cylindrical body and the first duct coincide and
For the length of part less than the length of part under the first duct, the first duct is located at the portion below the first cylindrical body under first cylindrical body
Dividing is vortex cavity；
Second tube axial is connect by connected ball with tangent line pipe, and the second tube axial is the third duct being arranged below core material,
The third duct is cylindrical and lower end is concordant with core material bottom.
2. a kind of vortex diode system for reactor according to claim 1, which is characterized in that first axis pipe
It is identical with tangent line pipe diameter；Connected ball is identical with the second axial pipe diameter, and the diameter of the second tube axial is first axis Guan Zhi
1.3~1.7 times of diameter, vortex cavity diameter are 3.5~4.5 times of first axis pipe, and tangent line length of tube is the 0.6 of vortex cavity diameter
~0.8 times.
3. a kind of vortex diode system for reactor according to claim 1, which is characterized in that the diode
Quantity be 1~18.
4. a kind of vortex diode system for reactor according to claim 1, which is characterized in that the diode
Quantity be 18.
5. a kind of vortex diode system for reactor according to claim 1, which is characterized in that the liquid flow
Entering the liquid in pipeline and liquid outflow conduit is sodium.
6. a kind of vortex diode system for reactor according to claim 1, which is characterized in that second axis
To 1.5 times that the diameter of pipe is first axis pipe diameter.
7. a kind of vortex diode system for reactor according to claim 1, which is characterized in that the core material is
Stainless steel.
8. a kind of vortex diode system for reactor according to claim 1, which is characterized in that the core material
Diameter is consistent with the diameter of liquid inflow pipe, liquid outflow conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821863324.8U CN209213295U (en) | 2018-11-13 | 2018-11-13 | A kind of vortex diode system for reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821863324.8U CN209213295U (en) | 2018-11-13 | 2018-11-13 | A kind of vortex diode system for reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209213295U true CN209213295U (en) | 2019-08-06 |
Family
ID=67459270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821863324.8U Active CN209213295U (en) | 2018-11-13 | 2018-11-13 | A kind of vortex diode system for reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209213295U (en) |
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2018
- 2018-11-13 CN CN201821863324.8U patent/CN209213295U/en active Active
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