CN203607109U - Heat exchange device for workshop - Google Patents
Heat exchange device for workshop Download PDFInfo
- Publication number
- CN203607109U CN203607109U CN201320678213.0U CN201320678213U CN203607109U CN 203607109 U CN203607109 U CN 203607109U CN 201320678213 U CN201320678213 U CN 201320678213U CN 203607109 U CN203607109 U CN 203607109U
- Authority
- CN
- China
- Prior art keywords
- factory building
- heat
- tube sheet
- tube
- exchanger rig
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012546 transfer Methods 0.000 claims abstract description 53
- 239000002915 spent fuel radioactive waste Substances 0.000 claims abstract description 29
- 239000011148 porous material Substances 0.000 claims description 26
- 239000011449 brick Substances 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 33
- 239000013589 supplement Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 239000003758 nuclear fuel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
-
- 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
Abstract
The utility model provides a heat exchange device for a workshop for storage of spent fuel of a nuclear power plant. A ceiling and a wall of the workshop are provided with through holes. The heat exchange device comprises a first tube plate fixed to the wall of the workshop and facing the through hole of the wall of the workshop, a second tube plate fixed to the ceiling of the workshop and facing the through hole of the ceiling of the workshop, a heat transfer tube group with two ends connected with the first tube plate and the second tube plate, and a tube hanging rack connected with the heat transfer tube group and the ceiling of the workshop. With the heat exchange device, heat exchange between water steam in the workshop and external cold air is achieved and condensate water flows back to a spent fuel water tank, so that continuous water source supplement for the spent fuel water tank and the discharge of disintegration heat of the spent fuel can be guaranteed.
Description
Technical field
The utility model relates to engineering heat transfer technology field, particularly a kind of heat-exchanger rig for nuclear power plant's spentnuclear fuel factory building.
Background technology
Along with the fast development of science and technology and nuclear industry technology, nuclear fuel is more and more in the use in the fields such as generating plant.Nuclear fuel, after generating is used, becomes spentnuclear fuel and waits for next step processing, continues to discharge decay heat because spentnuclear fuel has, and this just has higher requirement to the storage facilities of spentnuclear fuel.
Conventionally, the irradiated fuel assembly of nuclear power plant is deposited on the bunkering screen work of auxiliary plant radioactivity control zone, and bunkering screen work is immersed in pond, and in pond, the temperature of water is maintained below 48.9 ℃ by cooling system, to guarantee the discharge of spentnuclear fuel decay heat.
In the time causing station blackout accident operating mode due to accident, can rely on emergency diesel dynamo to generate electricity to guarantee cooling system execution refrigerating function.Further, in the time there is diesel-driven generator accident conditions, the cooling of spentnuclear fuel born the thermal capacitance that relies on water in pond, water loading amount in pond generally can guarantee that in 7 days, irradiated fuel assembly can be not exposed, and, along with the continuation of liquid level in pond declines, operating personnel can also assist cooling water tank to carry out moisturizing by containment.
But, rely on the thermal capacitance of water in pond to be used as the hot trap of decay heat of spentnuclear fuel, topmost shortcoming is make-up water source constantly, although design of nuclear power plant has Spent Fuel Pool in case of emergency can assist from containment the function of moisturizing cooling water tank, but the in the situation that of multiple mishap stack, the water of the auxiliary cooling water tank of containment need to preferentially be used for cooling steel containment vessel, therefore can cause supplementary can not get that continue at Spent Fuel Pool water source to ensure, thereby cause water boiling and constantly evaporation in Spent Fuel Pool, and then cause the water in Spent Fuel Pool to be made irradiated fuel assembly intensification damage by evaporate to dryness.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of non-active factory building heat-exchanger rig of guaranteeing spentnuclear fuel Decay heat removal system and ensureing the lasting make-up water source of Spent Fuel Pool acquisition.
The utility model provides a kind of factory building heat-exchanger rig, deposit the factory building of spentnuclear fuel for nuclear power plant, the ceiling of factory building and body of wall all offer through hole, and described factory building heat-exchanger rig comprises the first tube sheet of being fixed on Brick wall and be oppositely arranged with the through hole of Brick wall, is fixed on factory building ceiling and the second tube sheet being oppositely arranged with the through hole of factory building ceiling, the heat transfer tube group that two ends are connected with described the first tube sheet and described the second tube sheet respectively and the tube hanger being connected with described heat transfer tube group and factory building ceiling respectively.
In an embodiment of the present utility model, described heat transfer tube group comprises multiple heat-transfer pipes, and described heat-transfer pipe is bent into L shaped structure.
In an embodiment of the present utility model, the middle part of described the first tube sheet be provided with multiple respectively with the heat-transfer pipe corresponding pore that arranges and connect one by one of described heat transfer tube group, the edge of described the first tube sheet is provided with multiple for the first tube sheet and the fixing bolt hole of Brick wall, and described the first tube sheet is connected with Brick wall by expansion bolt.
In an embodiment of the present utility model, the middle part of described the second tube sheet be provided with multiple respectively with the heat-transfer pipe corresponding pore that arranges and connect one by one of described heat transfer tube group, the edge of described the second tube sheet is provided with multiple for the second tube sheet and the fixing bolt hole of factory building ceiling, and described the second tube sheet is connected with factory building ceiling by through bolt.
In an embodiment of the present utility model, described the first tube sheet is connected with the sheet metal that is embedded in Brick wall, described the second tube sheet is connected with the sheet metal that is embedded in factory building ceiling, between described the first tube sheet and the second tube sheet and corresponding sheet metal, is provided with gasket seal.
In an embodiment of the present utility model, described tube hanger comprises hanger, be connected with described hanger and vertical the first web joint, be connected with described the first web joint and vertical installing plate and being connected with described installing plate and the second vertical web joint.
In an embodiment of the present utility model, described installing plate be provided with multiple respectively with the heat-transfer pipe corresponding pore that arranges and connect one by one of described heat transfer tube group, described pore comprises multi coil hole, and adjacent row's pore is crisscross arranged.
In an embodiment of the present utility model, factory building heat-exchanger rig also comprises web member, and described tube hanger is connected with factory building ceiling by described web member.
In an embodiment of the present utility model, described web member is flower basket bolt, flower basket bolt comprises body, the first shackle and the second shackle that are threaded with described body two ends respectively, and described the first shackle is used for connecting factory building ceiling, and described the second shackle is used for connecting described tube hanger.
In an embodiment of the present utility model, factory building heat-exchanger rig also comprises the window shutter that is fixed on Brick wall outside and is oppositely arranged with the through hole of Brick wall, and the blower unit that is fixed on factory building ceiling upside and is oppositely arranged with the through hole of factory building ceiling.
The beneficial effects of the utility model are, owing to adopting non-active factory building heat-exchanger rig, in the time causing the accident conditions of station blackout to occur due to accident, the decay heat that spentnuclear fuel continues to discharge makes the water evaporation in Spent Fuel Pool form water vapour and rise while being gathered in the roof of auxiliary plant, the factory building heat-exchanger rig of non-active passes freely through heat-transfer pipe by the cold air of guiding factory building outside, realize water vapour around of heat-transfer pipe and the heat interchange of cool exterior air, and water vapour is condensed into water, reducing in factory building in water vapour, also can make condensed water vapour be back to Spent Fuel Pool, maintain the water level of Spent Fuel Pool, thereby prevent from damaging because the water evaporate to dryness in pond makes irradiated fuel assembly.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of instructions, and for above-mentioned and other objects, features and advantages of the present utility model can be become apparent, below especially exemplified by embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structural representation of the factory building heat-exchanger rig of an embodiment of the present utility model.
Fig. 2 is the front view of the tube sheet of factory building heat-exchanger rig in Fig. 1.
Fig. 3 is the side view of the tube hanger of factory building heat-exchanger rig in Fig. 1.
Fig. 4 is the front view of the tube hanger of factory building heat-exchanger rig in Fig. 1.
Fig. 5 is the structural representation of the web member of factory building heat-exchanger rig in Fig. 1.
Embodiment
Technological means and effect of taking for reaching predetermined utility model object for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to embodiment, structure, feature and effect thereof according to the factory building heat-exchanger rig the utility model proposes, be described in detail as follows:
Refer to Fig. 1, the factory building heat-exchanger rig 100 of the utility model embodiment, deposits the factory building of spentnuclear fuel for nuclear power plant, and this factory building heat-exchanger rig 100 is wholy set in the top of Spent Fuel Pool.The ceiling of factory building and body of wall all offer through hole.
Factory building heat-exchanger rig 100 comprises the first tube sheet 10 that is fixed on Brick wall inner side and is oppositely arranged with the through hole of Brick wall, the second tube sheet 20 that is fixed on factory building ceiling downside and is oppositely arranged with the through hole of factory building ceiling, the heat transfer tube group 30 that two ends are connected with the first tube sheet 10 and the second tube sheet 20 respectively, be connected with heat transfer tube group 30 and factory building ceiling respectively and for supporting the tube hanger 40 of load-bearing heat transfer tube group 30, the window shutter 50 that is fixed on Brick wall outside and is oppositely arranged with the through hole of Brick wall, and the blower unit 60 that is fixed on factory building ceiling upside and is oppositely arranged with the through hole of factory building ceiling.
Heat transfer tube group 30 comprises multiple heat-transfer pipes 32.These heat-transfer pipes 32 are all bent into L shaped structure.In the present embodiment, heat-transfer pipe 32 is Circular Thin metal tube, and as thin aluminum pipe, thin copper pipe etc., the thermal conductivity of these materials is higher.
Please also refer to Fig. 1 and Fig. 2, the edge that the middle part of the first tube sheet 10 is provided with multiple pore 12, the first tube sheets 10 is provided with multiple bolts hole 14.The first tube sheet 10 is made up of square corrosion resistant plate.Multiple heat-transfer pipes 32 included with heat transfer tube group 30 are corresponding one by one respectively arranges and connect for multiple pores 12 of the first tube sheet 10.In the present embodiment, between heat-transfer pipe 32 and pore 12, adopt the mode of expanded and welded tube joint use to be connected, particularly, that the two ends that first adopt the mode of welding that heat-transfer pipe 32 is positioned to the position of pore 12 are welded in pore wall, and then heat-transfer pipe 32 is expanded and combine closely with pore wall by the mode of expanded joint, guarantee strength of joint and sealing effectiveness between the two.And, these pores 12 comprise multi coil hole, and adjacent row's pore is crisscross arranged, the vertical direction of below row's pore in Fig. 2 with above gap between the adjacent pore arranged aim at, can increase like this flow-disturbing that enters the air in heat transfer tube group 30, increase heat transfer effect.Bolt hole 14 is fixing for the first tube sheet 10 and Brick wall.In this enforcement, adopt expansion bolt 81 to realize the fixing of the first tube sheet 10 and Brick wall through bolt hole 14.Further, a pre-buried sheet metal 82 inside Brick wall in advance, and between the first tube sheet 10 and sheet metal 82, gasket seal 83 is set, to strengthen sealing effectiveness between the two.
The structure of the second tube sheet 20 is identical with the structure of the first tube sheet 10, and the second tube sheet 20 is also identical with the connected mode of heat transfer tube group 30 with the first tube sheet 10 with the connected mode of heat transfer tube group 30, therefore, repeats no more here.It should be noted that, in this enforcement, adopt through bolt 84 to realize the fixing of the second tube sheet 20 and factory building ceiling through the second tube sheet 20 and factory building ceiling.Further, can be in advance at the pre-buried sheet metal 85 of factory building ceiling downside, and between the second tube sheet 20 and sheet metal 85, gasket seal 86 is set, to strengthen sealing effectiveness between the two.
Please also refer to Fig. 3 and Fig. 4, tube hanger 40 comprises hanger 42, be connected with the lower end of hanger 42 and the first web joint 44 of vertical hanger 42, be connected with the lower end of the first web joint 44 and two installing plates that are parallel to each other 46 of vertical the first web joint 44 and being connected with the lower end of installing plate 46 and the second web joint 48 of at right angle setting plate 46.Between hanger 42 and the first web joint 44, between the first web joint 44 and installing plate 46 and between installing plate 46 and the second web joint 48, all adopt the mode of welding to be connected.Installing plate 46 is provided with multiple pores 462.The arrangement of multiple pores 462 is consistent with the layout of multiple pores 12 of the first tube sheet 10, and multiple pore 462 multiple heat-transfer pipes 32 one by one corresponding setting included with heat transfer tube group 30 respectively.The slightly larger in diameter of pore 462, in the diameter of heat-transfer pipe 32, is beneficial to heat-transfer pipe 32 and passes from pore 462.
In sum, the beneficial effects of the utility model are, owing to adopting non-active factory building heat-exchanger rig, in the time causing the accident conditions of station blackout to occur due to accident, the decay heat that spentnuclear fuel continues to discharge makes the water evaporation in Spent Fuel Pool form water vapour and rise and is gathered in the roof of auxiliary plant, the factory building heat-exchanger rig of non-active passes freely through heat-transfer pipe by the cold air of guiding factory building outside, realize water vapour around of heat-transfer pipe and the heat interchange of cool exterior air, and water vapour is condensed into water, reducing in factory building in water vapour, also can make condensed water vapour be back to Spent Fuel Pool, maintain the water level of Spent Fuel Pool, thereby prevent from damaging because the water evaporate to dryness in pond makes irradiated fuel assembly.
The above, only embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solutions of the utility model content, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a factory building heat-exchanger rig, deposit the factory building of spentnuclear fuel for nuclear power plant, the ceiling of factory building and body of wall all offer through hole, it is characterized in that, described factory building heat-exchanger rig comprises the first tube sheet of being fixed on Brick wall and be oppositely arranged with the through hole of Brick wall, is fixed on factory building ceiling and the second tube sheet being oppositely arranged with the through hole of factory building ceiling, the heat transfer tube group that two ends are connected with described the first tube sheet and described the second tube sheet respectively and the tube hanger being connected with described heat transfer tube group and factory building ceiling respectively.
2. factory building heat-exchanger rig as claimed in claim 1, is characterized in that, described heat transfer tube group comprises multiple heat-transfer pipes, and described heat-transfer pipe is bent into L shaped structure.
3. factory building heat-exchanger rig as claimed in claim 1, it is characterized in that, the middle part of described the first tube sheet be provided with multiple respectively with the heat-transfer pipe corresponding pore that arranges and connect one by one of described heat transfer tube group, the edge of described the first tube sheet is provided with multiple for the first tube sheet and the fixing bolt hole of Brick wall, and described the first tube sheet is connected with Brick wall by expansion bolt.
4. factory building heat-exchanger rig as claimed in claim 1, it is characterized in that, the middle part of described the second tube sheet be provided with multiple respectively with the heat-transfer pipe corresponding pore that arranges and connect one by one of described heat transfer tube group, the edge of described the second tube sheet is provided with multiple for the second tube sheet and the fixing bolt hole of factory building ceiling, and described the second tube sheet is connected with factory building ceiling by through bolt.
5. factory building heat-exchanger rig as claimed in claim 1, it is characterized in that, described the first tube sheet is connected with the sheet metal that is embedded in Brick wall, described the second tube sheet is connected with the sheet metal that is embedded in factory building ceiling, between described the first tube sheet and the second tube sheet and corresponding sheet metal, is provided with gasket seal.
6. factory building heat-exchanger rig as claimed in claim 1, it is characterized in that, described tube hanger comprises hanger, be connected with described hanger and vertical the first web joint, be connected with described the first web joint and vertical installing plate and being connected with described installing plate and the second vertical web joint.
7. factory building heat-exchanger rig as claimed in claim 6, is characterized in that, described installing plate be provided with multiple respectively with the heat-transfer pipe corresponding pore that arranges and connect one by one of described heat transfer tube group, described pore comprises multi coil hole, and adjacent row's pore is crisscross arranged.
8. factory building heat-exchanger rig as claimed in claim 1, is characterized in that, also comprises web member, and described tube hanger is connected with factory building ceiling by described web member.
9. factory building heat-exchanger rig as claimed in claim 8, it is characterized in that, described web member is flower basket bolt, flower basket bolt comprises body, the first shackle and the second shackle that are threaded with described body two ends respectively, described the first shackle is used for connecting factory building ceiling, and described the second shackle is used for connecting described tube hanger.
10. factory building heat-exchanger rig as claimed in claim 1, it is characterized in that, also comprise the window shutter that is fixed on Brick wall outside and is oppositely arranged with the through hole of Brick wall, and the blower unit that is fixed on factory building ceiling upside and is oppositely arranged with the through hole of factory building ceiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678213.0U CN203607109U (en) | 2013-10-29 | 2013-10-29 | Heat exchange device for workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678213.0U CN203607109U (en) | 2013-10-29 | 2013-10-29 | Heat exchange device for workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203607109U true CN203607109U (en) | 2014-05-21 |
Family
ID=50719772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320678213.0U Expired - Lifetime CN203607109U (en) | 2013-10-29 | 2013-10-29 | Heat exchange device for workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203607109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578828A (en) * | 2017-08-22 | 2018-01-12 | 哈尔滨工程大学 | A kind of efficient passive Spent Fuel Pool cooling system using spraying technique |
-
2013
- 2013-10-29 CN CN201320678213.0U patent/CN203607109U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578828A (en) * | 2017-08-22 | 2018-01-12 | 哈尔滨工程大学 | A kind of efficient passive Spent Fuel Pool cooling system using spraying technique |
| CN107578828B (en) * | 2017-08-22 | 2019-11-12 | 哈尔滨工程大学 | A kind of efficient passive Spent Fuel Pool cooling system using spraying technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |
|
| CX01 | Expiry of patent term |