CN109935373A - Heating and heat-insulating device for the test of screen work Dynamic Buckling - Google Patents
Heating and heat-insulating device for the test of screen work Dynamic Buckling Download PDFInfo
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- CN109935373A CN109935373A CN201910137119.6A CN201910137119A CN109935373A CN 109935373 A CN109935373 A CN 109935373A CN 201910137119 A CN201910137119 A CN 201910137119A CN 109935373 A CN109935373 A CN 109935373A
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- China
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- heating
- chamber
- heat
- screen work
- insulating device
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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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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of heating and heat-insulating devices for the test of screen work Dynamic Buckling, including accommodating chamber, heater box, the blast pipe being connected between chamber and heater box and backwind tube and blower therein for screen work to be tested；Chamber is connected to form the circulation loop flowed for air in wherein heat cycles with backwind tube by blast pipe with heater box, and blower is arranged on circulation loop；After air heats in heater box, entered in chamber under the driving of blower by blast pipe, screen work to be tested is heated and is kept the temperature, then flows back into heater box from backwind tube.The heating and heat-insulating device of screen work Dynamic Buckling test of the invention, chamber and heater box are independently arranged, it is re-introduced into chamber after heating air in a manner of the heating of outside, screen work to be tested is heated and kept the temperature in a manner of forced-convection heat transfer by the setting of blower, improve heating efficiency, screen work heating to be tested and soaking time are reduced, test is facilitated to carry out.
Description
Technical field
The present invention relates to nuclear fuel assembly experimental technique field more particularly to a kind of adding for the test of screen work Dynamic Buckling
Hot attemperator.
Background technique
Under earthquake and dehydration design basis accident operating condition, since earthquake and dehydration load act in reactor, fuel assembly
Between and fuel assembly and coaming plate between be likely to occur impact.Critical component of the screen work as fuel assembly has branch
Support fuel rod, positioning and support guide pipe, keep fuel rod center away from, enhancing coolant mix, promote fuel rod heat transfer,
C&P systems are ensured under earthquake and dehydration design basis accident operating condition safety insertion, maintains the coolable geometric form of reactor core
The Functional Requirement of shape.
It is both needed to carry out the test of screen work Dynamic Buckling for New-type fuel component, for firing under design basis accident operating condition
Expect the structural intergrity verifying of component, testpieces temperature is 320 ± 5 DEG C, is needed before and after screen work testpieces during test
The temperature and distribution of left and right and middle position arrangement thermocouple real-time monitoring testpieces.
Screen work is carried out in Dynamic Buckling experimental design existing, it is natural using attemperator inner wall layout heating element
The mode that convection current is heated is carried out, and heating efficiency is not high, and air flow property is poor, so that the temperature of testpieces is uneven, influences to try
Test effect.
Summary of the invention
The technical problem to be solved in the present invention is that providing a kind of raising heating efficiency, reducing heating and soaking time
Heating and heat-insulating device for the test of screen work Dynamic Buckling.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of for the test of screen work Dynamic Buckling
Heating and heat-insulating device, including for screen work to be tested accommodate chamber therein, heater box, be connected to the chamber and
Blast pipe and backwind tube and blower between heater box；
The chamber is connected by the blast pipe with backwind tube with heater box to be formed one and adds wherein for air
The circulation loop of thermal cycle flowing, the blower are arranged on the circulation loop；After air heats in the heater box,
Entered in the chamber under the driving of the blower by the blast pipe, screen work to be tested is heated and is kept the temperature, then from institute
It states backwind tube and flows back into heater box.
Preferably, the heating and heat-insulating device further includes the flow guiding unit being arranged in the chamber, into the examination
Air in tryoff flows to screen work to be tested by the flow guiding unit.
Preferably, the flow guiding unit includes deflector；The interior space of the chamber is divided into connection by the deflector
Inlet plenum, the connection backwind tube and the heating and thermal insulation chamber for accommodating screen work to be tested of the blast pipe.
Preferably, the inlet plenum is located at the lower section of the heating and thermal insulation chamber.
Preferably, the fixed frame for installing screen work to be tested is equipped in the heating and thermal insulation chamber.
Preferably, the heater box includes closed cabinet, the mounting plate being arranged in the cabinets cavity and at least
A piece heating element；The heating element is plugged on the mounting plate and vacantly in the inner cavity of the cabinet.
Preferably, the mounting plate is equipped with multiple be intervally arranged, for the mounting hole of heating element grafting.
Preferably, the cabinet includes the cylinder and end cap of one end open；The end cap is cooperatively connected in the cylinder
Open end, the cylinder is closed to form the cabinet；
The mounting plate is arranged at the open end of the cylinder, and the heating element is plugged on the mounting plate and hangs
Sky is in the cylinder.
Preferably, the cylinder is equipped with the first nozzle and the second nozzle for being connected to the inner barrel, the air inlet
One end of pipe and backwind tube is separately connected first nozzle and the second nozzle.
Preferably, first nozzle is located at the lower end of the cylinder, and second nozzle is located at the upper end of the cylinder.
Beneficial effects of the present invention: chamber and heater box are independently arranged, after heating air in a manner of the heating of outside
It is re-introduced into chamber, screen work to be tested is heated and kept the temperature in a manner of forced-convection heat transfer by the setting of blower, improves and adds
The thermal efficiency reduces screen work heating to be tested and soaking time, test is facilitated to carry out.
In addition, flow guiding unit is arranged in chamber, air Uniform Flow is guided, the temperature for enhancing screen work to be tested is uniform
Property, it avoids different location temperature unevenness inside screen work to be tested and influences test result.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the schematic diagram of the section structure of the heating and heat-insulating device of the screen work Dynamic Buckling test of one embodiment of the invention；
Fig. 2 is the cross-section structure of heater box in the heating and heat-insulating device of the screen work Dynamic Buckling test of one embodiment of the invention
Schematic diagram.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
As shown in Figure 1, the heating and heat-insulating device for the test of screen work Dynamic Buckling of one embodiment of the invention, including test
Case 10, heater box 20, blast pipe 30, backwind tube 40 and blower 50.Chamber 10 accommodates wherein for screen work 1 to be tested, adds
For heating air, blast pipe 30 and backwind tube 40 are connected between chamber 10 and heater box 20 hot tank 20, so that examination
Tryoff 10 is connected to form one for air heat cycles flowing wherein with backwind tube 40 by blast pipe 30 with heater box 20
Circulation loop.Blower 50 is arranged on circulation loop, provides power and air is driven to circulate in circulation loop, realizes chamber
Forced Air Convection heat exchange between 10 and heater box 20.
After air heats in heater box 20, entered in chamber 10 under the driving of blower 50 by blast pipe 30, it is right
The heating of screen work 1 and heat preservation to be tested, then heater box 20 is flowed back into from backwind tube 40.
Wherein, chamber 10 is equipped with openable and closable chamber door, for jump bit by entering in chamber 10 to lattice to be tested
Frame 1 is impacted to carry out Dynamic Buckling test.Settable fixed frame 11 in chamber 10 installs it for screen work 1 to be tested
On, to be fixed in chamber 10.Screen work 1 to be tested can be mounted on fixed frame 11 by way of clamping or grafting.
As shown in Fig. 2, heater box 20 may include closed cabinet 21, the mounting plate 22 being arranged in 21 inner cavity of cabinet and
At least one heating element 23.Heating element 23 is plugged on mounting plate 22 and vacantly in the inner cavity of cabinet 21.Heating element
After 23 heating powers, the air in 21 inner cavity of cabinet is heated, is heated to test required temperature, then is defeated by blast pipe 30
It send to chamber 10.
The grafting (not shown) for heating element 23 of multiple mounting holes being intervally arranged can be equipped on mounting plate 22.Plaid matching
When frame Dynamic Buckling is tested, the quantity of heating element 23 in heater box 20 is adjusted flexibly in combination with test demand.
Specifically, cabinet 21 may include the cylinder 211 and end cap 212 of one end open；End cap 212 is cooperatively connected in cylinder
The closing of cylinder 211 is formed cabinet 21 by 211 open end.Mounting plate 22 is arranged at the open end of cylinder 211, heating element
23 are plugged on mounting plate 22 and vacantly in cylinder 211.
End cap 212 can be opened and closed the open end for being mounted on cylinder 211 by flange, facilitate the installation, more of heating element 23
It changes.
Cylinder 211 is equipped with the first nozzle and the second nozzle being connected to inside cylinder 211, blast pipe 30 and backwind tube 40
One end be separately connected the first nozzle 213 and the second nozzle 214, the other end is then connected in chamber 10.It is same in chamber 10
Reason setting nozzle is respectively for the connection of blast pipe 30 and backwind tube 40.
Preferably, the first nozzle 213 is located at the lower end of cylinder 211, and the second nozzle 214 is located at the upper end of cylinder 211.
Blower 50 can be set on blast pipe 30 or backwind tube 40, can also be arranged in chamber 10 or heater box 20
It is interior, specifically can according to the actual situation depending on.
Further, heating and heat-insulating device of the invention further includes flow guiding unit 60, is arranged in chamber 10, guidance
Air Uniform Flow in chamber 10.Into the air in chamber 10 by flowing to after 60 Uniform Flow of flow guiding unit wait try
Screen work 1 is tested, the temperature uniformity of screen work 1 to be tested is enhanced, it is ensured that 1 inside different location temperature of screen work to be tested is uniform.
In the present embodiment, flow guiding unit 60 includes deflector.The interior space of chamber 10 is divided into connection air inlet by deflector
Inlet plenum 101, connection backwind tube 40 and the heating and thermal insulation chamber 102 for accommodating screen work 1 to be tested of pipe 30.For installing
The fixed frame 11 of screen work 1 to be tested is arranged in heating and thermal insulation chamber 102.Air in heater box 20 after heating passes through blast pipe
30 enter the inlet plenum 101 of chamber 10, by being flowed uniformly in heating and thermal insulation chamber 102 after deflector, to lattice to be tested
Frame 1 is heated, is kept the temperature.
For the placement direction of the chamber 10 shown in Fig. 1, inlet plenum 101 is located at the lower section of heating and thermal insulation chamber 102.
Blast pipe 30 is connected between chamber 10 and the lower end of heater box 20, and backwind tube 40 is connected to chamber 10 and heater box 20
Between upper end.When test, screen work 1 to be tested in chamber 10 and in vertical direction in blast pipe 30 and backwind tube 40 it
Between.
Heating and heat-insulating device of the invention applies the Dynamic Buckling of the screen work in fuel assembly to test, for screen work into
Row heating and heat preservation, heating efficiency is high and air flows uniformly, the heating and soaking time to screen work is reduced, to lattice to be tested
Heating time can foreshorten to 1 hour or so frame for the first time, improve the temperature uniformity (5 DEG C of maximum temperature difference or so) of screen work to be tested,
Facilitate test to carry out and ensures test result accuracy.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of heating and heat-insulating device for the test of screen work Dynamic Buckling, which is characterized in that including being used for screen work to be tested (1)
Accommodate chamber therein (10), heater box (20), be connected between the chamber (10) and heater box (20) into
Air hose (30) and backwind tube (40) and blower (50)；
The chamber (10) is connected to form a confession with backwind tube (40) with heater box (20) by the blast pipe (30)
The circulation loop that air is flowed in wherein heat cycles, the blower (50) are arranged on the circulation loop；Air is described
In heater box (20) after heating, enter the chamber (10) by the blast pipe (30) under the driving of the blower (50)
It is interior, screen work to be tested (1) is heated and is kept the temperature, then flows back into heater box (20) from the backwind tube (40).
2. heating and heat-insulating device according to claim 1, which is characterized in that the heating and heat-insulating device further includes that setting exists
Flow guiding unit (60) in the chamber (10) passes through the flow guiding unit (60) into the air in the chamber (10)
Flow to screen work to be tested (1).
3. heating and heat-insulating device according to claim 2, which is characterized in that the flow guiding unit (60) includes deflector；
The interior space of the chamber (10) is divided into the inlet plenum (101) for connecting the blast pipe (30), connection by the deflector
The backwind tube (40) and the heating and thermal insulation chamber (102) for being used to accommodate screen work to be tested (1).
4. heating and heat-insulating device according to claim 3, which is characterized in that the inlet plenum (101) is located at described add
The lower section of hot soak chamber (102).
5. heating and heat-insulating device according to claim 3, which is characterized in that be equipped in the heating and thermal insulation chamber (102)
The fixed frame (11) of screen work to be tested (1) is installed.
6. heating and heat-insulating device according to claim 1-5, which is characterized in that the heater box (20) includes close
The cabinet (21) closed, the mounting plate (22) and at least one heating element (23) that are arranged in the cabinet (21) inner cavity；Institute
Heating element (23) is stated to be plugged on the mounting plate (22) and vacantly in the inner cavity of the cabinet (21).
7. heating and heat-insulating device according to claim 6, which is characterized in that the mounting plate (22) is equipped with multiple intervals
Arrangement, the mounting hole for being used for heating element (23) grafting.
8. heating and heat-insulating device according to claim 6, which is characterized in that the cabinet (21) includes the cylinder of one end open
Body (211) and end cap (212)；The end cap (212) is cooperatively connected in the open end of the cylinder (211), by the cylinder
(211) closing forms the cabinet (21)；
The mounting plate (22) is arranged at the open end of the cylinder (211), and the heating element (23) is plugged on the peace
In loading board (22) and vacantly in the cylinder (211).
9. heating and heat-insulating device according to claim 8, which is characterized in that the cylinder (211) is equipped with and is connected to institute
State cylinder (211) internal the first nozzle (213) and the second nozzle (214), the one of the blast pipe (30) and backwind tube (40)
End is separately connected first nozzle (213) and the second nozzle (214).
10. heating and heat-insulating device according to claim 9, which is characterized in that first nozzle (213) is located at the cylinder
The lower end of body (211), second nozzle (214) are located at the upper end of the cylinder (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910137119.6A CN109935373A (en) | 2019-02-25 | 2019-02-25 | Heating and heat-insulating device for the test of screen work Dynamic Buckling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910137119.6A CN109935373A (en) | 2019-02-25 | 2019-02-25 | Heating and heat-insulating device for the test of screen work Dynamic Buckling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109935373A true CN109935373A (en) | 2019-06-25 |
Family
ID=66985865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910137119.6A Pending CN109935373A (en) | 2019-02-25 | 2019-02-25 | Heating and heat-insulating device for the test of screen work Dynamic Buckling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109935373A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202823407U (en) * | 2012-08-30 | 2013-03-27 | 武汉钢铁(集团)公司 | Test chamber device capable of automatically controlling temperatures |
| CN104128213A (en) * | 2014-08-04 | 2014-11-05 | 广州赛宝计量检测中心服务有限公司 | Device for making climate environment test equipment wind speed stable and uniform |
| CN106282503A (en) * | 2015-05-20 | 2017-01-04 | 汪超 | A kind of safety aluminium alloy aging furnace |
| CN206724663U (en) * | 2017-05-12 | 2017-12-08 | 赵慧文 | A kind of electromagnetic drying device |
| CN207072957U (en) * | 2017-08-03 | 2018-03-06 | 东莞市昊诚五金弹簧有限公司 | A kind of heat-treatment furnace efficient hot-air circulation flow guiding device |
| US20180315512A1 (en) * | 2017-05-01 | 2018-11-01 | Westinghouse Electric Company Llc | Nuclear powered vacuum microelectronic device |
-
2019
- 2019-02-25 CN CN201910137119.6A patent/CN109935373A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202823407U (en) * | 2012-08-30 | 2013-03-27 | 武汉钢铁(集团)公司 | Test chamber device capable of automatically controlling temperatures |
| CN104128213A (en) * | 2014-08-04 | 2014-11-05 | 广州赛宝计量检测中心服务有限公司 | Device for making climate environment test equipment wind speed stable and uniform |
| CN106282503A (en) * | 2015-05-20 | 2017-01-04 | 汪超 | A kind of safety aluminium alloy aging furnace |
| US20180315512A1 (en) * | 2017-05-01 | 2018-11-01 | Westinghouse Electric Company Llc | Nuclear powered vacuum microelectronic device |
| CN206724663U (en) * | 2017-05-12 | 2017-12-08 | 赵慧文 | A kind of electromagnetic drying device |
| CN207072957U (en) * | 2017-08-03 | 2018-03-06 | 东莞市昊诚五金弹簧有限公司 | A kind of heat-treatment furnace efficient hot-air circulation flow guiding device |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190625 |