CN110391030A - A kind of subregion crucible fusant out-pile trap - Google Patents
A kind of subregion crucible fusant out-pile trap Download PDFInfo
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- CN110391030A CN110391030A CN201910566783.2A CN201910566783A CN110391030A CN 110391030 A CN110391030 A CN 110391030A CN 201910566783 A CN201910566783 A CN 201910566783A CN 110391030 A CN110391030 A CN 110391030A
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- 238000005192 partition Methods 0.000 claims description 23
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- 238000009835 boiling Methods 0.000 description 2
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Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/18—Emergency cooling arrangements; Removing shut-down heat
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C9/00—Emergency protection arrangements structurally associated with the reactor, e.g. safety valves provided with pressure equalisation devices
- G21C9/016—Core catchers
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The present invention relates to a kind of subregion crucible fusant out-pile traps, including transfer of melt channel, fusant to collect crucible and cooling water tank；Reactor pit bottom interior wall face is covered with refractory material；Transfer of melt channel connects reactor pit and fusant collects crucible；Transfer of melt channel further includes the fused plug for blocking the reactor pit；The fusant is collected crucible and is connect with cooling water tank.Beneficial effects of the present invention are as follows: (1) present invention collects crucible by special designing fusant, has prevented early stage reactor core fusant and has contacted with the direct of cooling water, has eliminated the risk of vapour explosion；(2) heat exchange area of fusant is increased by introducing more cooling tubes of special designing, and then enhances the exchange capability of heat to fusant；(3) by sufficiently being reacted with expendable material, reducing temperature, fusing point and the volumetric power density of fusant before fusant collection crucible filling expendable material guarantees that fusant is trap structural member (cooling tube, wall surface of the container) contact.
Description
Technical field
The present invention relates to reactor safety system designing techniques, and in particular to a kind of subregion crucible fusant out-pile trapping
Device.
Background technique
Nuclear plant severe accident starts from the large area fusing of reactor fuel assemblies, at this time the as Defense in depth system
One of barrier, fuel can are no longer valid.It such as cannot timely be cooled down, relevant in-pile component can be also melted, and shape
At reactor core fusant, fall into reactor pressure vessel (RPV) lower head.In cooling insufficient situation outside RPV lower head,
RPV lower head can be fused, i.e. second barrier primary Ioops pressure boundary is broken, and reactor core fusant enters in containment.Pressure
After force container burn through, fusant is directly injected on containment raft foundation to interact (MCCI) with structural concrete, certain time
The interior raft foundation for corroding containment gradually downward with faster speed, if raft foundation thickness is insufficient, bottom plate may be fused, destroy
The integrality of containment as last one of barrier in turn results in the extensive release of radioactive substance.
The existing serious strategy of reply is broadly divided into fusant delay technology (IVR) and out-pile fusant delay technology in heap
(EVR) two class.IVR technology is mainly by guaranteeing that RPV lower head is submerged, passing through RPV outer wall to reactor pit sustained water injection
Boiling heat transfer at face takes away the decay heat of reactor core fusant, and finally fusant is trapped in RPV.IVR technology occurs earliest
In the power station Loviisa VVER-440 of Finland, it is also successfully applied to AP600, AP1000, APR1400, CAP1400 (country
The 1400MWe presurized water reactor of nuclear power technology Co., Ltd design) (China National Nuclear Corporation and Guang He group, China join He Hualong No.1
Close R & D design 1000MWe presurized water reactor) design in.But the heat flow density of RPV inner wall is loaded on to reactor core fusant
Estimation dispute is larger, and international mainstream opinion thinks that IVR technology is not suitable for relatively high power heap-type at present, such as 1000MWe or more
Heap-type.
EVR technology mainly by outside RPV be arranged fusant collection device, then in collection device to fusant into
Row cooling, and finally realize and be detained.EVR technology compares IVR technology, and advantage is bigger operating space and more flexible cooling
Mode is especially embodied in the major accident aspect of reply relatively high power heap-type.Has the EVR technical solution of engineering specifications at present
It is broadly divided into following 4 kinds:
1. first filling water in reactor pit before smelt flow to containment bottom plate, formed compared with swimmer's pool, from pressure vessel
The fusant of discharge is then fallen into the pond of the intracavitary formation of pressure vessel, is realized and is cooled down by sustained water injection, such as the boiling in Northern Europe
Water-water reactor；
2. using dry type reactor pit or the reactor pit (being formed compared with on-swimmer's pool) of only a small amount of water, when smelt flow to bottom plate is concurrently given birth to
After sprawling, water is persistently injected, guarantees that fusant is submerged, realizes cooling, such as most two generation presurized water reactors of early stage and boiling-water reactor；
3. by ad hoc device by fusant the layover certain time in reactor pit, be then transported to paving in large space
Exhibition, by bottom dividing wall type and/or the cooling effective delay for realizing fusant of top submerged, such as the reactor core catcher of EPR；
4. whole reactor core fusant are limited in collection and are held by direct reactor pit, RPV arranged just beneath collection vessel
In device, then by the cooling reactor core fusant of cooling water submerged at the top of the cooling water and/or fusant outside collection vessel, such as
The reactor core catcher of VVER1000, ESBWR and EU-APR1400.
About the research of reactor core catcher, external related patents are also more, as: masschusetts, U.S.A Polytechnics was in 1978
Patent, Core catcher for nuclear reactor core meltdown containment (US-
Pat4113560), which can be considered the design blank of EVR；French International Atomic Energy Agency is in patent in 1981, Core
The level of engineer application has been arrived in EVR skill upgrading by catcher device (US-Pat4280872), the patent；And later
Numerous principles, different reactor core catcher patent (such as US-Pat4442065, US-Pat4113560, the US- of structure
Pat4342621, US-Pat 8358732 and US-Pat6353651 etc.).
The country gradually increases the research to reactor core catcher after introducing WWER nuclear power system from Russia, successively formed
A series of patents, as bottom water injection is superimposed external cooling large-scale passive nuclear plant reactor core catcher
(CN201310005308.0), a kind of large-scale passive PWR nuclear power plant crucible-type reactor core breaks storage
(CN201310005342.8), there is the large-scale passive PWR nuclear power plant reactor core catcher of fusant propagation chamber
(CN201310005579.6), large-scale passive nuclear plant fusant heap is interior and out-pile is detained the device combined
(CN201310264749.2), there is the large-scale passive PWR nuclear power plant reactor core catcher of fusant propagation chamber
(CN201320007203.4) etc..
No matter the scheme of swimmer's pool or on-swimmer's pool, there is the risk of vapour explosion；Simple fusant crest water flooding,
It floods poor to the cooling effect of fusant；Reactor core catcher applied to EPR needs biggish expansion room, and fusant migrates
Path is longer, link is more；The problem of needing biggish arrangement space exists in the reactor core trapping of ESBWR and EU-APR1400
It in device scheme, and arranges the reactor core catcher of the VVER1000 of relative compact, after realizing that fusant is detained, at least needs 10
The moon could finally cool down fusant.This patent is directed to a kind of higher reactor core trapping of the more compact, cooling efficiency of arrangement
Device scheme, to cope with major accident operating condition.
Summary of the invention
In view of the deficiencies in the prior art, the object of the present invention is to provide a kind of trappings of subregion crucible fusant out-pile
Device guarantees under major accident operating condition, realizes effective containing of reactor core fusant, realizes fail- safe processing.
Technical scheme is as follows:
Crucible and cooling are collected in a kind of subregion crucible fusant out-pile trap, including transfer of melt channel, fusant
Water tank；Reactor pit bottom interior wall face is covered with refractory material；Transfer of melt channel connects the reactor pit and the fusant collects earthenware
Crucible；Transfer of melt channel further includes the fused plug for blocking the reactor pit；The fusant collects crucible and cooling water tank connects
It connects；It includes partition that the fusant, which collects crucible, and transfer of melt channel is fixed on partition, transfer of melt channel and partition
Fusant collection crucible is divided into mutually isolated annular water chamber and fusant cooling space jointly；The cooling water tank and institute
State annular water chamber's connection.
Further, above-mentioned subregion crucible fusant out-pile trap, the cooling water tank is drawn cold by bottom
But water injection pipeline is connected to the coolant flow channel being made of fusant collection crucible outside wall surface and reactor pit inner wall gap, final logical
To annular water chamber；Injection pipeline and fusant cooling space connect at the top of the molten bath of cooling water tank drawn laterally through reactor pit side wall
It is logical；In the range of annular water chamber, reactor pit side wall is provided with multiple steam outlets obliquely and communicates with containment.
Further, above-mentioned subregion crucible fusant out-pile trap, the fusant collect be provided in crucible it is cold
But it manages.
Further, above-mentioned subregion crucible fusant out-pile trap is provided with to connect cooling on the partition
The cooling tube aperture of pipe injects pipeline aperture at the top of the molten bath of injection pipeline at the top of molten bath and for connecting through pipe for connecting
Run through pipe aperture.
Further, above-mentioned subregion crucible fusant out-pile trap, the cooling tube include inner tube and cover in inner tube
Outer outer tube；The middle and upper part of the outer tube is straight tube form, and bottom is bellows fashion, is fixed on fusant and collects bottom in crucible
On face, the part that the outer tube is in annular water chamber is coated with thermal insulation material；Along flushing with outer tube in said inner tube, lower end is
There is the opening of fluid gap with the outer tube lower end；The part that cooling tube is located at annular water chamber be provided through the outer tube with
The cooling water injection pipe being connected to inside the annular water chamber and said inner tube.
Further, above-mentioned subregion crucible fusant out-pile trap, the cooling bottom of the tube are bellows fashion, Gu
It is scheduled on fusant to collect on crucible inner bottom surface, top is fixed on partition outer bottom.
Further, above-mentioned subregion crucible fusant out-pile trap, the fusant cooling space inside filling
There is sacrificial concrete material；The sacrificial concrete material is in pot shape or cone cell, and the cooling tube is embedded in the sacrifice coagulation
Inside soil material.
Further, above-mentioned subregion crucible fusant out-pile trap is provided on partition through pipe, described through pipe
From drawing downwards through pipe aperture for partition, lower end, which uses, the annular water is being connected to not less than melting under preset temperature
The material of room and fusant cooling space is made.
Further, above-mentioned subregion crucible fusant out-pile trap, the cooling water tank bottom are infused by cooling water
Enter pipeline to be connected to coolant flow channel, cooling water injects pipeline and is equipped with remote control separation valve door；The remote control separation valve door is in system
It is automatically turned on after detecting the signal that major accident occurs or power loss, mistake gas automatically turns on, enable cooling water tank and annular water chamber's structure
At linker.
Beneficial effects of the present invention are as follows:
(1) present invention collects crucible by special designing fusant, has prevented the straight of early stage reactor core fusant and cooling water
Contact, eliminates the risk of vapour explosion；
(2) heat exchange area of fusant is increased by introducing more cooling tubes of special designing, and then enhanced to molten
Melt the exchange capability of heat of object；
(3) by fusant collect crucible fill expendable material guarantee fusant be trap structural member (cooling tube,
Wall surface of the container) contact before, sufficiently reacted with expendable material, reduce temperature, fusing point and the volumetric power density of fusant；
(4) relatively narrow coolant flow channel enhances the heat exchange property that fusant collects crucible bottom and side；
(5) investment (water filling to coolant flow channel and molten bath top surface) of cooling water is passive, and improve system can
By property；
(6) fusant is long-term cooling by natural circulation cooling mode, makes the long-term safety of nuclear power plant after major accident
Property is promoted.
Detailed description of the invention
Fig. 1 is kind subregion crucible fusant out-pile trap structural schematic diagram of the invention.
Fig. 2 is diaphragm structure schematic diagram of the invention.
Fig. 3 is the structural schematic diagram of double-layer structure cooling tube in the present invention.
In above-mentioned attached drawing, 1, pressure vessel；2, reactor pit；3, refractory material；4, fused plug；5, transfer of melt channel；6, it melts
Melt object and collects crucible；7, partition；8, annular water chamber；9, fusant cooling space；10, cooling tube；11, through pipe；12, molten bath is pushed up
Pipeline is injected in portion；13, sacrificial concrete material；14, coolant flow channel；15, steam outlet；16, cooling water tank；17, remote control every
From valve；18, valve；19, cooling water injects pipeline；20, cooling tube aperture；21, pipeline aperture is injected at the top of molten bath；22, it passes through
Poling aperture；23, outer tube；24, inner tube；25, bellows；26, cooling water injection pipe.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the present invention provides a kind of subregion crucible fusant out-pile trap, including transfer of melt channel 5,
Fusant collects crucible 6 and cooling water tank 16；2 bottom interior wall face of reactor pit is covered with refractory material 3；Transfer of melt channel 5 connects
The reactor pit 2 and the fusant collect crucible 6；Transfer of melt channel 5 further includes the fused plug 4 for blocking the reactor pit 2；
The fusant is collected crucible 6 and is connect with cooling water tank 16.It includes partition 7 that the fusant, which collects crucible 6, and transfer of melt is logical
Road 5 is fixed on partition 7, and fusant collection crucible 6 is divided into mutually isolated by transfer of melt channel 5 and partition 7 jointly
Annular water chamber 8 and fusant cooling space 9；The cooling water tank 16 is connect with the annular water chamber 8.The cooling water tank 16 is logical
The cooling water injection pipeline 19 for crossing bottom extraction collects what 6 outside wall surface of crucible and 2 inner wall gap of reactor pit were constituted with by fusant
Coolant flow channel 14 is connected to, and is eventually leading to annular water chamber 8；At the top of the molten bath of cooling water tank 16 drawn laterally through 2 side wall of reactor pit
Injection pipeline 12 is connected to fusant cooling space 9；In the range of annular water chamber 8,2 side wall of reactor pit is provided with multiple steamings obliquely
Vapour discharge outlet 15 is communicated with containment.
Under major accident operating condition, fusant is carried out first with the fusant cooling space 9 that fusant collects 6 lower part of crucible
It collects, and is collected in expendable material and coolant flow channel 14, cooling tube 10 inside crucible 6 by fusant and come from external cooling water
The cooling water of case 16 cools down fusant, and the later period realizes directly filling the water and flooding at the top of molten bath by special designing,
The steam that heat exchange is formed is back to cooling water tank 16 after condensing in containment, constitute the long-term cooling to fusant.
It is in tubbiness that fusant, which collects crucible 6, and open topped, bottom is in inverted cone shape.Inside the fusant cooling space 9
Filled with sacrificial concrete material 13；The sacrificial concrete material 13 is in pot shape or cone cell, and the pot shape or cone cell are to be laid with
Mode is intermediate lower, the higher shape in edge.The cooling tube 10 is embedded in inside the sacrificial concrete material 13.It sacrifices
13 main component of concrete material is heat-resisting material, such as Al2O3(about 2050 DEG C of melting temperature), SiO2(melting temperature about 1720
℃)、MgAl2O4(about 2100 DEG C of melting temperature), Fe3O4(about 1600 DEG C of melting temperature), TiO2(about 1840 DEG C of melting temperature) etc..
Preferably, the thickness of the sacrificial concrete material 13 at middle part is not less than 1500mm.
16 bottom of cooling water tank is injected pipeline 19 by cooling water and is connected to coolant flow channel 14, and cooling water injects pipeline
19 are equipped with remote control separation valve door 17；The remote control separation valve door 17 is automatic after the signal that system detection to major accident occurs
It opens or power loss, mistake gas automatically turns on, cooling water tank 16 and annular water chamber 8 is enabled to constitute linker.Cooling water tank 16 can be collected
Condensed water in containment is maintained above the height of water level that fusant collects crucible 6 for a long time.
As shown in Fig. 2, being provided with the cooling tube aperture 20, molten for connecting to connect cooling tube 10 on the partition 7
Pipeline aperture 21 is injected at the top of pond at the top of the molten bath of injection pipeline 12 and for connecting through pipe 11 through pipe aperture 22.Run through
Pipe 11 is set on partition 7, and from drawing downwards through pipe aperture 22 for partition 7, lower end, which uses, to be not less than preset temperature
Lower melting is made with the material for being connected to the annular water chamber 8 and fusant cooling space 9.In the present embodiment, under pipe 11
It is closed using low melting point material (such as magnesium alloy) at end.In the present embodiment, be arranged in intermediate region through 11 length of pipe compared with
Short, positioned at the longer through 11 length of pipe of edge, those skilled in the art can also select uniform length according to actual needs.
Fusant is collected in crucible 6 and is provided with cooling tube 10.As shown in figure 3, cooling tube 10 is including inner tube 24 and set
Outer tube 23 outside pipe 24；23 middle and upper part of outer tube is straight tube form, and bottom is 25 form of bellows, is fixed on fusant collection
On 6 inner bottom surface of crucible, the part that the outer tube 23 is in annular water chamber 8 is coated with thermal insulation material；In said inner tube 24 along with
Outer tube 23 flushes, and lower end is the opening for having fluid gap with 23 lower end of outer tube；Cooling tube 10 is located at the portion of annular water chamber 8
Divide and is provided through the outer tube 23 to be connected to the annular water chamber 8 and the cooling water injection pipe 26 inside said inner tube 24.
In other embodiments, cooling tube 10 may be set to be the form of mono-layer tube, such as 10 bottom of cooling tube is wave
25 form of line pipe is fixed on fusant and collects on 6 inner bottom surface of crucible, and top is fixed on 7 outer bottom of partition.
As shown in Figure 1, fusant collects the pedestal of crucible 6 and reactor pit 2, the gap of wall surface constitutes coolant flow channel 14,
Bottom is injected pipeline 19 and remote control separation valve door 17 by cooling water and is connected with 16 bottom of cooling water tank being arranged in outside reactor pit 2
Logical, top is directly connected to annular water chamber 8.In addition, be provided with multiple steam outlets 15 obliquely in 2 side wall of reactor pit, so as to and
When will change in thermogenetic discharge of steam to containment.
As shown in Figure 1, after the fusing of reactor core occurrence of large-area, reactor core fusant is gradually migrated to lower head under accident conditions,
And it gathers wherein.During this period, the remote control separation valve door 17 on cooling water injection pipeline 19 can automatically turn on, by cooling water tank
Cooling water in 16 is injected into coolant flow channel 14 and annular water chamber 8, forms linker structure.Water level reaches in annular water chamber 8
It after certain altitude, is filled the water by cooling water injection pipe 26 into inner tube 24, cooling water enters outer tube 23 by bottom, final cooling
Pipe 10 (is not overflowed from top) full of water.
As shown in Figure 1, fusant is usually flow in reactor pit 2 several times after pressure vessel 1 (RPV) Lower head failure, melting
After the fused plug 4 of 5 entry position of object transfering channel is melted down, fusant is directly entered in fusant cooling space 9, and in it
Sacrificial concrete material 13 sufficiently reacts.It is gradually melted to sacrificial concrete material 13, until fusant diffuses to margin location
When setting, the cooling water of wall surface and side wall and coolant flow channel 14 that fusant collects crucible 6 by fusant exchanges heat, while with
Cooling water in cooling tube 10 also exchanges heat, and the steam for the formation that exchanges heat enters containment through steam outlet 15, after condensing
It is back in cooling water tank 16.
As shown in Figure 1, fusant fully enter fusant collect crucible 6 after, if the amount of fusant is more, liquid level compared with
Height is in contact close to even local location with the closed section through pipe 11, and the generation through the closed section of pipe 11 softens or melts
It ruins, the cooling water in annular water chamber 8 is directly injected into molten bath top surface, and formation is flooded；If the amount of fusant is less, liquid level compared with
Low, after certain time-delay, the high-reliability valve 18 at the top of molten bath on injection pipeline 12 is opened, directly will be in cooling water tank 16
Be led to molten bath top surface in cooling year, formation is flooded.The steam formed that exchanges heat enters through the gas vent of steam outlet 15 and reactor pit 2
Containment is back in cooling water tank 16 after condensing, and realizes the long-term cooling to the reactor core fusant in crucible.
In the present embodiment, the fusant collects crucible 6, is that the thermally conductive good metal material of high-melting-point is (such as iron-based
Alloy) bulk containers that are process.Partition 7 be the good metal material of rigidity high thermal conductivity (such as ferrous alloy) process and
At the hole on surface is arranged in different location according to function difference.Cooling tube 10 uses the thermally conductive good metal material of high-melting-point
Matter (such as ferrous alloy) is process.12 diameter 40-150mm of pipeline is injected at the top of molten bath, delayed startup valve 18 is by cold
But the unlatching of the remote control separation valve door 17 on water injection pipeline 19 provides trigger signal, and delay is opened after 1-15 hours.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.If in this way, belonging to the model of the claims in the present invention and its equivalent technology to these modifications and changes of the present invention
Within enclosing, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of subregion crucible fusant out-pile trap, it is characterised in that: received including transfer of melt channel (5), fusant
Collect crucible (6) and cooling water tank (16)；Reactor pit (2) bottom interior wall face is covered with refractory material (3)；Transfer of melt channel (5) is even
It connects the reactor pit (2) and the fusant collects crucible (6)；Transfer of melt channel (5) further includes for blocking the reactor pit
(2) fused plug (4)；The fusant is collected crucible (6) and is connect with cooling water tank (16)；The fusant collects crucible (6) packet
It includes partition (7), transfer of melt channel (5) are fixed on partition (7), and transfer of melt channel (5) and partition (7) will melt jointly
Melt object collection crucible (6) and is divided into mutually isolated annular water chamber (8) and fusant cooling space (9)；The cooling water tank
(16) it is connect with the annular water chamber (8).
2. subregion crucible fusant out-pile trap as described in claim 1, it is characterised in that: the cooling water tank (16) is logical
Cooling water injection pipeline (19) for crossing bottom extraction collects crucible (6) outside wall surface and reactor pit (2) inner wall gap with by fusant
The coolant flow channel (14) of composition is connected to, and is eventually leading to annular water chamber (8)；Cooling water tank (16) laterally through reactor pit (2) side wall
Injection pipeline (12) is connected to fusant cooling space (9) at the top of the molten bath of extraction；In the range of annular water chamber (8), reactor pit
(2) side wall is provided with multiple steam outlets (15) obliquely and communicates with containment.
3. subregion crucible fusant out-pile trap as claimed in claim 2, it is characterised in that: the fusant collects crucible
(6) cooling tube (10) are provided in.
4. subregion crucible fusant out-pile trap as claimed in claim 3, it is characterised in that: be arranged on the partition (7)
There are the cooling tube aperture (20) to connect cooling tube (10), the molten bath top note for connecting injection pipeline (12) at the top of molten bath
Enter pipeline aperture (21) and for connecting through pipe (11) through pipe aperture (22).
5. subregion crucible fusant out-pile trap as claimed in claim 3, it is characterised in that: the cooling tube (10) includes
Inner tube (24) and cover the outer tube (23) in inner tube (24) outside；Outer tube (23) middle and upper part is straight tube form, and bottom is bellows
(25) form is fixed on fusant and collects on crucible (6) inner bottom surface, and the outer tube (23) is in the part in annular water chamber (8)
It is coated with thermal insulation material；Along flushing with outer tube (23) in said inner tube (24), lower end is to have stream with the outer tube (23) lower end
The opening of body space；The part that cooling tube (10) is located at annular water chamber (8) is provided through the outer tube (23) described in connection
The cooling water injection pipe (26) of annular water chamber (8) and said inner tube (24) inside.
6. subregion crucible fusant out-pile trap as claimed in claim 3, it is characterised in that: cooling tube (10) bottom
For bellows fashion, it is fixed on fusant and collects on crucible (6) inner bottom surface, top is fixed on partition (7) outer bottom.
7. the subregion crucible fusant out-pile trap as described in claim 1-6 is any, it is characterised in that: the fusant
Sacrificial concrete material (13) are filled with inside cooling space (9)；The sacrificial concrete material (13) is in pot shape or cone cell, institute
It states cooling tube (10) and is embedded in sacrificial concrete material (13) inside.
8. the subregion crucible fusant out-pile trap as described in claim 1-6 is any, it is characterised in that: partition is set on (7)
It is equipped with through pipe (11), described to draw downwards from partition (7) through pipe aperture (22) through pipe (11), lower end is using can be
It is made not less than melting under preset temperature with the material for being connected to the annular water chamber (8) and fusant cooling space (9).
9. the subregion crucible fusant out-pile trap as described in claim 2-6 is any, it is characterised in that: the cooling water tank
(16) bottom is connected to by cooling water injection pipeline (19) with coolant flow channel (14), and cooling water injects pipeline (19) and is equipped with remote control
Separation valve door (17)；The remote control separation valve door (17) automatically turns on or loses after the signal that system detection to major accident occurs
Electricity loses gas automatic opening, and cooling water tank (16) and annular water chamber (8) is enabled to constitute linker.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910566783.2A CN110391030B (en) | 2019-06-27 | 2019-06-27 | Partitioned crucible melt out-of-pile catcher |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910566783.2A CN110391030B (en) | 2019-06-27 | 2019-06-27 | Partitioned crucible melt out-of-pile catcher |
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| CN110391030B CN110391030B (en) | 2023-12-15 |
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| CN117023950B (en) * | 2023-10-08 | 2023-12-22 | 启东晶尧光电科技有限公司 | Device for producing glass products |
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