CN208397515U - High temperature resistant connector - Google Patents
High temperature resistant connector Download PDFInfo
- Publication number
- CN208397515U CN208397515U CN201820606263.0U CN201820606263U CN208397515U CN 208397515 U CN208397515 U CN 208397515U CN 201820606263 U CN201820606263 U CN 201820606263U CN 208397515 U CN208397515 U CN 208397515U
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- Prior art keywords
- high temperature
- temperature resistant
- channel
- heat
- resistant connector
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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 utility model relates to a kind of high temperature resistant connectors, it includes shell, and is coated on the intracorporal thermal insulation layer of the shell, and multiple interconnected channels are equipped in the thermal insulation layer, it is provided with partition apparatus at least one described channel, so that the channel is connected to or separates with other channels.High temperature resistant connector provided by the utility model can xegregating unit, high temperature resistant and thermal insulation property it is good.
Description
Technical field
The utility model relates to nuclear power engineering technical field more particularly to a kind of high temperature resistant connectors.
Background technique
It is well known that LOCA (Loss Of Coolant Accident) is that nuclear power plant is the most serious in the process of running
One of accident.The generation of the accident is mainly lost due to reactor-loop coolant, causes core temperature to steeply rise, together
When reactor in rapid pressure drop, cause safety injection system and filled the water into heap, with the cooling reactor core being rapidly heated.In LOCA operating condition
Under (by taking zircaloy as an example), when cladding nuclear fuels temperature is more than 600 DEG C, since the decline of external pressure causes fuel can be sent out
Raw swelling, rupture；When temperature is increased to 850 DEG C or more, fuel can alloy can occur violent zirconium water and react, outside involucrum
Oxide thickness increases sharply, and simultaneous reactions release hydrogen.When being filled the water to reactor core, be equivalent to zirconium alloy cladding into
Row quenching will lead to involucrum and become fragile or even rupture, can cause radioactive fission product leakage.
For LOCA operating condition, generally require to carry out the test of out-of-pile analogue technique to cladding nuclear fuels, to obtain core
The performance of fuel can.In cladding nuclear fuels performance test, generally require to vertically arranged chilling pond, and be in respectively
The high temperature furnace pipe of horizontal and vertical installation realizes reliable connection, however, existing three-way connection non-refractory, it can not be in high temperature
Good connection, sealing and thermal insulation property are kept in furnace under up to 1600 DEG C of environment temperature.At the same time, in test process
In, it generally requires that a wherein equipment is isolated according to the actual situation, therefore, current three-way connection is unable to satisfy test
It needs.
Therefore, be badly in need of wanting one kind can xegregating unit, high temperature resistant and the good high temperature resistant connector of thermal insulation property come on overcoming
The defect stated.
Utility model content
Based on this, it is necessary to be directed to prior art problem, provide one kind can xegregating unit, high temperature resistant and thermal insulation property it is good
Good high temperature resistant connector.
The utility model provides a kind of high temperature resistant connector comprising shell, and it is coated on the intracorporal thermal insulation layer of the shell,
It is equipped with multiple interconnected channels in the thermal insulation layer, is provided with partition apparatus at least one described channel, so that this is logical
Road is connected to or separates with other channels.
Preferably, the thermal insulation layer is aluminium oxide ceramics thermal insulation layer.
Preferably, the partition apparatus includes driving mechanism and heat-insulated plate, the heat-insulated plate is movably plugged in
On the channel, the output end of the driving mechanism connect with the heat-insulated plate and drives the heat-insulated plate mobile.
Preferably, the heat-insulated plate is the heat-insulated plate of aluminium oxide ceramics.
Preferably, the driving mechanism includes the expansion joint that can actively stretch, the expansion joint is fixed on the shell
Outer wall, the output end of the expansion joint connect with the heat-insulated plate and pass through the actively flexible driving heat-insulated plate movement.
Preferably, being equipped between the driving mechanism and the shell for the first cooling water-cooling jacket.
Preferably, the driving mechanism is connected with shell by first flange.
Preferably, the first sealing ring is equipped between the driving mechanism and the first flange, to the heat-insulated plate
With the clearance seal between the first flange.
Preferably, the entrance in the channel is equipped with the second flange for connecting with external device (ED).
Preferably, the second flange is equipped with the second sealing ring.
Preferably, the second flange is externally provided with the second water-cooling jacket, second water-cooling jacket is passed through recirculated cooling water
With the cooling second flange.
Preferably, the channel is connected with the boiler tube of connection high temperature furnace.
Preferably, being equipped with third sealing ring between the boiler tube and the channel.
Compared with prior art, a thermal insulation layer is arranged by the way that the shell is interior in high temperature resistant connector provided by the utility model,
And multiple interconnected channels are formed in thermal insulation layer, the boiler tube and a chilling of two high temperature furnaces are realized using multiple channels
Being interconnected between pond, since thermal insulation layer has high temperature resistant and the performances such as heat-insulated, the high temperature resistant of high temperature resistant connector and
Heat insulation effect is very good；In addition, when carrying out cladding nuclear fuels performance test, due to being equipped with partition dress at least one channel
It setting, experimenter can according to the actual situation selectively be isolated arbitrary equipment, thus make the channel and other passageway breaks,
The environment in the channel is avoided to impact rest channels, flexibility is high, greatly meets the demand of test.
Detailed description of the invention
Fig. 1 is cross-sectional view when the utility model high temperature resistant connector is connect with external boiler tube.
Fig. 2 is the cross-sectional view of another angle of Fig. 1.
Specific embodiment
For technology contents, the construction feature, the objects and the effects that the utility model is described in detail, below in conjunction with implementation
Mode simultaneously cooperates attached drawing to be explained in detail.
The high temperature resistant connector of the utility model is illustrated referring to FIG. 1-2, comprising shell 1 and thermal insulation layer 2, thermal insulation layer 2
It is coated in shell 1, multiple interconnected channels is equipped in thermal insulation layer 2, partition apparatus 3 is set at least one channel, with
The channel is set to be connected to or separate with other channels.It is understood that the producer can on needing the channel that is isolated setting every
Disconnected device 3 can not only realize the connection, sealing of high temperature resistant connector under high temperature, heat-insulated and heat preservation using thermal insulation layer 2, more can benefit
The connection or isolation that each channel is arbitrarily controlled with partition apparatus 3, avoid influencing each other between channel.It is understood that
The quantity in channel, the quantity of location and shape and partition apparatus 3 and position according to what is produced or use can adjust
Whole, for example, the producer can be respectively provided with partition apparatus 3 simultaneously on each channel, also optionally one, two wherein
Partition apparatus 3 is set on a or multiple channels, is not limited.More specifically, as follows:
Referring to FIG. 1-2, in this present embodiment, thermal insulation layer 2 is formed by pouring heat-resisting material in shell 1, and same
When in thermal insulation layer 2 formed three interconnected channels.For following better description, three different channels are respectively adopted
Different appended drawing references, respectively 21a, 21b and 21c.In order to cooperate the needs of high-temperature oxidation test, channel 21a and channel 21c
It is interconnected and forms the vertical tube 22 being vertical setting, channel 21b is connected to vertical tube 22 and is formed in horizontally disposed transverse tube 23.
Channel 21a is respectively connected with the boiler tube 9 for being connected to high temperature furnace with channel 21c, and channel 21a and channel 21c and each boiler tube and between set
There is third sealing ring 10, specifically, channel is filled when connecting with boiler tube 9 using high temperature resistant packing material, then passes through height
Warm sealant is sealed, to make boiler tube 9 and channel still keep effective connection and sealing under high temperature environment, preferably
It is high temperature resistant packing material Ceramics fiber, high-temperature seal adhesive selection is resistant to 1700 DEG C of high temperature inorganic sealant.Channel
21c is connect with underlying chilling pond (not shown), and specifically, the entrance of channel 21c, which is equipped with, to be used for and external device (ED)
The second flange 4 of connection, and second flange 4 is equipped with the second sealing ring (not shown), with to chilling pond and second flange 4 it
Between clearance seal, to improve sealing performance when channel is connect with external device (ED).Since the second sealing ring is in hot environment
It is lower to be easy by thermal failure, and the heat in the 21c of channel does not enter chilling pond through supercooling, is easy in this way to chilling pond
Environmental effects, in order to protect the second sealing ring and improve chilling pond cooling effect, high temperature resistant connector further include use
In the second cooling water-cooling jacket 5, the second water-cooling jacket 5 is fixed on shell 1 and is set to outside second flange 4, the second water cooling folder
Set 5 is constantly passed through recirculated cooling water, reduces the temperature of shell 1 and second flange 4, not only reaching prevents the second sealing ring because of height
Warm and failure purpose, improves the heat resistance and leakproofness of device entirety indirectly, and effectively avoids the environment in chilling pond
It is affected, improves cooling effect.It is preferably that shell 1 is made of stainless steel, thermal insulation layer 2 is aluminium oxide ceramics
Thermal insulation layer.
Referring to FIG. 1-2, in this present embodiment, partition apparatus 3 is mounted on channel 21c so that underlying chilled water (chw) is isolated
Pond, certainly, partition apparatus 3 can also be mounted on as needed on remaining channel 21a or channel 21b.Partition apparatus 3 includes driving
Mechanism 31 and heat-insulated plate 32, driving mechanism 31 are connected to the outer wall of shell 1, and shell 1 and the corresponding heat-insulated plate 32 of thermal insulation layer 2 are opened
Equipped with the through-hole 6 passed through for heat-insulated plate 32, heat-insulated plate 32 is movably plugged on the 21c of channel by through-hole 6, is driven
The output end of mechanism 31 connect with heat-insulated plate 32 and drives heat-insulated plate 32 mobile, to be connected to or separate channel 21c.Specifically
Ground, driving mechanism 31 include the expansion joint 311 that can actively stretch, and expansion joint 311 is fixed on the outer wall of shell 1, expansion joint 311
Output end connect with heat-insulated plate 32 and by the heat-insulated movement of plate 32 of actively flexible driving, is preferably that expansion joint 311 uses
Metal material is made.It carries out driving its active flexible it is understood that the modes such as pneumatically or electrically can be used in expansion joint 311,
It is not limited.The expansion joint 311 and shell 1 of driving mechanism 31 are connected by first flange 7, and driving mechanism 31 and the first method
The first sealing ring (not shown) is equipped between orchid 7 to mention to be sealed the gap between heat-insulated plate 32 and first flange 7
High sealing performance.Since the first sealing ring is easy by thermal failure under high temperature environment, and the heat inside shell 1 is not through being subcooled
But it is easy to impact driving mechanism 31 by through-hole 6, in order to protect the first sealing ring and protection driving mechanism 31, high temperature resistant
Connector further includes for the first cooling water-cooling jacket 8, and the first water-cooling jacket 8 is set between driving mechanism 31 and shell 1, the
One water-cooling jacket 8 is constantly passed through recirculated cooling water, and the temperature for reducing shell 1 and first flange 7 prevents the first sealing to reach
The purpose to fail by high temperature is enclosed, improves the heat resistance and leakproofness of device entirety indirectly.It is preferably that heat-insulated plate 32 is
The heat-insulated plate of aluminium oxide ceramics.
The high temperature resistant connector of the utility model further includes controller (not shown), controller respectively with partition apparatus 3, first
Water-cooling jacket 8 and the electrical connection of the second water-cooling jacket 5, are worked with controlling each component.
User in conjunction with shown in Fig. 1 to Fig. 2, to the carry out high-temperature oxidation test for using the utility model high temperature resistant connector
Method is described in detail:
Before test, the boiler tube 9 of channel 21a and channel 21b respectively with external two high temperature furnaces is attached, and uses resistance to height
Warm packing material and high-temperature seal adhesive are filled and seal respectively, and channel 21c passes through communicating pipe with external chilling pond
Second flange 4 is attached.Controller control expansion joint 311 is actively shunk to interlock the heat-insulated movement of plate 32 and separate channel
21c avoids the pure water in chilling pond by the influence of remaining two channel 21a and 21b using the heat-blocking action of heat-insulated plate 32
And it is heated.At the same time, controller controls the first water-cooling jacket 8 and the second water-cooling jacket 5 is passed through recirculated cooling water.When test,
Boiler tube 9 at the 21a of channel heats cladding nuclear fuels, and the boiler tube 9 at the 21b of channel heats vapor, vapor and cladding nuclear fuels
Carry out high-temperature oxidation test；If need that cladding nuclear fuels are cooling when test, controller control expansion joint 311 actively stretch with
The channel 21c that heat-insulated plate 32 is mobile and is connected to is interlocked, and then it is cold to allow heated cladding nuclear fuels to crash into progress in chilling pond
But；If desired continue that chilling pond is isolated, controller control expansion joint 311 is actively shunk to separate channel 21c.
By the way that a thermal insulation layer 2 is arranged in shell 1, and multiple interconnected channels are formed in thermal insulation layer 2, utilization is multiple
Channel realize two high temperature furnaces boiler tube 9 and a chilling pond between be interconnected, due to thermal insulation layer 2 have high temperature resistant and
The performances such as heat-insulated, therefore, the high temperature resistant and heat insulation effect of high temperature resistant connector are very good, so as in up to 1600 DEG C of test
Good connection, sealing and thermal insulation property are kept in environment, to meet the needs of cladding nuclear fuels performance test；In addition, into
When row cladding nuclear fuels performance test, due to being equipped with partition apparatus at least one channel, experimenter can be according to the actual situation
Selectively arbitrary equipment is connected to, to make the channel be connected to other channels, so that core heated during test
Fuel can is crashed into chilling pond and is cooled down；Or selectively arbitrary equipment is isolated according to the actual situation, thus
Make the channel and other passageway breaks, the environment in the channel is avoided to impact rest channels, makes chilling pond indirectly
Environment is not influenced by high temperature furnace to improve cooling effect, and flexibility is high, greatly meets the demand of test.
Natural, this high temperature resistant connector can also be used in nuclear power station except other tests in high-temperature oxidation test
Pipeline connection, can also be used in the technical field that other need to carry out pipeline connection under high temperature environment, not with nuclear power station
Field is limited.
The preferred forms of the utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (13)
1. a kind of high temperature resistant connector, it is characterised in that: including shell, and be coated on the intracorporal thermal insulation layer of the shell, it is described every
Be equipped with multiple interconnected channels in thermosphere, be provided with partition apparatus at least one described channel so that the channel and its
His channel is connected to or partition.
2. high temperature resistant connector according to claim 1, it is characterised in that: the thermal insulation layer is aluminium oxide ceramics thermal insulation layer.
3. high temperature resistant connector according to claim 1, it is characterised in that: the partition apparatus includes driving mechanism and heat-insulated
Plate, the heat-insulated plate are movably plugged on the channel, the output end of the driving mechanism and the heat-insulated plate
It connects and drives the heat-insulated plate mobile.
4. high temperature resistant connector according to claim 3, it is characterised in that: the heat-insulated plate, which is that aluminium oxide ceramics is heat-insulated, to be inserted
Plate.
5. high temperature resistant connector according to claim 3, it is characterised in that: the driving mechanism include can actively stretch it is swollen
Swollen section, the expansion joint are fixed on the outer wall of the shell, and the output end of the expansion joint connect and leads to the heat-insulated plate
It is mobile to cross the actively flexible driving heat-insulated plate.
6. high temperature resistant connector according to claim 3, it is characterised in that: be equipped between the driving mechanism and the shell
For the first cooling water-cooling jacket.
7. high temperature resistant connector according to claim 3, it is characterised in that: the driving mechanism and shell pass through first flange
Connection.
8. high temperature resistant connector according to claim 7, it is characterised in that: between the driving mechanism and the first flange
Equipped with the first sealing ring, to the clearance seal between the heat-insulated plate and the first flange.
9. high temperature resistant connector according to claim 1, it is characterised in that: the entrance in the channel be equipped with for outside
The second flange of device connection.
10. high temperature resistant connector according to claim 9, it is characterised in that: the second flange is equipped with the second sealing ring.
11. high temperature resistant connector according to claim 9, it is characterised in that: the second flange is externally provided with the second water cooling folder
Set, second water-cooling jacket are passed through recirculated cooling water with the cooling second flange.
12. high temperature resistant connector according to claim 1, it is characterised in that: the channel is connected with the furnace of connection high temperature furnace
Pipe.
13. high temperature resistant connector according to claim 12, it is characterised in that: be equipped with the between the boiler tube and the channel
Three sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606263.0U CN208397515U (en) | 2018-04-25 | 2018-04-25 | High temperature resistant connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606263.0U CN208397515U (en) | 2018-04-25 | 2018-04-25 | High temperature resistant connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208397515U true CN208397515U (en) | 2019-01-18 |
Family
ID=65061168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820606263.0U Active CN208397515U (en) | 2018-04-25 | 2018-04-25 | High temperature resistant connector |
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| Country | Link |
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| CN (1) | CN208397515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378765A (en) * | 2020-10-09 | 2021-02-19 | 国家电投集团科学技术研究院有限公司 | Pressurization test device of cladding pipe |
-
2018
- 2018-04-25 CN CN201820606263.0U patent/CN208397515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378765A (en) * | 2020-10-09 | 2021-02-19 | 国家电投集团科学技术研究院有限公司 | Pressurization test device of cladding pipe |
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