CN205371833U - Fire prevention flexible sealing connecting device of nai irradiation - Google Patents
Fire prevention flexible sealing connecting device of nai irradiation Download PDFInfo
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- CN205371833U CN205371833U CN201620152085.XU CN201620152085U CN205371833U CN 205371833 U CN205371833 U CN 205371833U CN 201620152085 U CN201620152085 U CN 201620152085U CN 205371833 U CN205371833 U CN 205371833U
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- fire prevention
- irradiation
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- extension socket
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Abstract
The utility model discloses a fire prevention flexible sealing connecting device of nai irradiation for the pipeline that runs through of wall is passed in the protection, and it includes: extend sleeve and sealing sleeve, sealing sleeve includes the wall connection end and extends the muffjoint end, it is in to extend the sleeve suit extend in the muffjoint end, the sealing sleeve profile is round platform shape, wall connection end diameter is greater than extend muffjoint end diameter, sealing sleeve includes by interior and the outer inlayer silicon cloth that closely lays in proper order, inlayer fibre cloth, inlayer ceramic fiber blanket, outer fibre cloth and outer silicon cloth. The utility model discloses a fire prevention flexible sealing connecting device of nai irradiation has good resistant irradiation, gas tightness, water proofness, fire resistance, thermal -insulated nature and pliability, can effectively protect and run through pipeline and wall, ensures the safe operation.
Description
Technical field
This utility model relates to nuclear power field and runs through the protection structure of pipeline, particularly relates to a kind of for protecting the fire prevention flexible seal connecting mechanism of resistance to irradiation running through pipeline through wall.
Background technology
AP1000 (the large-scale advanced pressurized water reactor nuclear power plant of AdvancedPassivePWR, wherein, 1000 is its power level, million kilowatt, is the 3rd generation nuclear power heap-type) in unit, surrounded by shielding Factory Building outside containment, run through pipeline to be then externally exposed, be highly prone to the impact of environment.Especially, in time running through pipeline and need through a sidewalls, usual maneuver is:
On wall, first offer the hole that casing diameter that a ratio runs through pipeline is bigger, then in hole, lay metal canula, after the sleeve pipe of pipeline be will pass through penetrates metal canula, run through and insert plugging material at this between the sleeve pipe of pipeline and this metal canula, thus one, the sleeve pipe running through pipeline just may pass through this wall and is fixed.
But, these habitual practice tool following points defect:
1. the air-tightness of usual plugging material and watertightness are not good；
2. the fire-retardant and heat insulation performance of usual plugging material is not good；
3., for the fixing sleeve pipe running through pipeline, plugging material is formed in one, and does not have displacement；
It follows that when the condition of a fire occurs in the somewhere of nuclear power station, big fire carries dense smoke and destroys plugging material, and then the opposite side of wall is produced harm；Similarly, when the condition of a fire occurs in the side of wall, opposite side can also be jeopardized.More seriously, when earthquake occurs in nuclear power station location, it is possible to wall itself can produce vibrations, and run through the sleeve pipe of pipeline due to very long and there is certain elasticity and produce big concussion and even resonate, thus destroy plugging material and then destroy wall, causing imponderable harm.
In sum, this area is needed a kind of flexible sealing structure of resistance to irradiation of preventing fires of use badly and is protected the sleeve pipe running through pipeline, can not expand state of affairs impact as best one can when somewhere has an accident, further ensures that the safe operation of nuclear power station.
Utility model content
For the deficiency in structure in prior art, this utility model provides the one fire prevention flexible seal connecting mechanism of resistance to irradiation, runs through pipeline for protecting through wall, described in run through pipeline can be such as cable tube, but be not limited.
The technical scheme that this utility model solves above-mentioned technical problem is as follows: a kind of fire prevention flexible seal connecting mechanism of resistance to irradiation, including: extension socket and seal sleeve, described seal sleeve includes wall link and extension socket link, and described extension socket is sleeved in described extension socket link.
On the basis of technique scheme, this utility model can also do following improvement.
Preferably, described seal sleeve profile is truncated cone-shaped, and described wall link diameter is more than described extension socket link diameter.
Preferably, described seal sleeve includes the internal layer silicon cloth, inner fiber cloth, internal layer ceramic fiber blanket, outer layer fiber cloth and the outer layer silicon cloth that closely lay successively from inside to outside.
Preferably, the described fire prevention flexible seal connecting mechanism of resistance to irradiation also includes fluid sealant and outer layer ceramic fiber blanket, and described outer layer ceramic fiber blanket is laid between described internal layer ceramic fiber blanket and described outer layer fiber cloth by described fluid sealant.
Preferably, described extension socket link is fixed on described extension socket by flange and larynx hoop.
Preferably, described wall link is fixed on described wall by flange and larynx hoop.
The beneficial effects of the utility model are: have good air-tightness, watertightness due to the use of silicon cloth, have good fire-retardant, heat insulation and radiotolerant performance due to the use of ceramic fiber blanket；Under safe condition, the fire prevention flexible seal connecting mechanism of resistance to irradiation of the present utility model can be protected and run through pipeline, when occurring the condition of a fire or irradiation to reveal, it can be ensured that wall opposite side is unaffected, the state of affairs does not expand；If generation earthquake, then it is flexible material due to what this utility model used, with the concussion running through pipeline, certain deformation and displacement can occur, buffering concussion strength, guaranteeing that wall will not be destroyed along with the concussion running through pipeline, this has very important meaning for the safe operation of nuclear power station.
Accompanying drawing explanation
Fig. 1 is the half side structural representation in the right side of the section of the fire prevention flexible seal connecting mechanism of resistance to irradiation of the present utility model；
Fig. 2 is the perspective view of the fire prevention flexible seal connecting mechanism of resistance to irradiation of the present utility model.
In FIG, the list of designations represented by each label is as follows:
10 extension sockets
11 internal layer silicon cloths
12 inner fiber cloth
13 internal layer ceramic fiber blankets
14 outer layer fiber cloth
15 outer layer silicon cloths
16 fluid sealants
17 outer layer ceramic fiber blankets
20 run through pipeline
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present utility model and feature being described, example is served only for explaining this utility model, is not intended to limit scope of the present utility model.
Refer to shown in Fig. 1, it is the half side structural representation in the right side of section of the fire prevention flexible seal connecting mechanism of resistance to irradiation of the present utility model.It should be noted that owing to the fire prevention flexible seal connecting mechanism of resistance to irradiation of the present utility model is the shape being similar to trapezoidal round platform, therefore its section is symmetrical along center line, the right side that Fig. 1 illustrate only section is half side, and left half side structure is half side with the right side on all four.The perspective view of the fire prevention flexible seal connecting mechanism of resistance to irradiation of the present utility model then refer to shown in Fig. 2.
The fire prevention flexible seal connecting mechanism of resistance to irradiation of the present utility model includes: extension socket 10 and seal sleeve, described seal sleeve includes wall link and extension socket link, described extension socket 10 is sleeved in described extension socket link, and described wall link is removably connected on described wall.Wherein it is preferred to, described seal sleeve profile is truncated cone-shaped, and described wall link diameter is more than described extension socket link diameter.During installation, the outer rim running through pipeline 20 of the resistance to irradiation protection that carries out required for being first sheathed on by described extension socket 10 preventing fires, and described extension socket 10 is outside the described wall running through 20 traverses of pipeline.
Described seal sleeve includes: internal layer silicon cloth 11, inner fiber cloth 12, internal layer ceramic fiber blanket 13, outer layer fiber cloth 14 and outer layer silicon cloth 15；Wherein,
Described internal layer silicon cloth 11 is outside wall to described extension socket 10 is laid in described extension socket 10；
Described inner fiber cloth 12 is outside wall to described extension socket 10 is laid in described internal layer silicon cloth 11；Described internal layer ceramic fiber blanket 13 is outside wall to described extension socket 10 is laid in described inner fiber cloth 12；Described outer layer fiber cloth 14 is outside wall to described extension socket 10 is laid in described internal layer ceramic fiber blanket 13；Need to illustrate: described inner fiber cloth 12 and laying of described outer layer fiber cloth 14 are to make described internal layer ceramic fiber blanket 13 shape better, further ensure that the firm and stable of the fire prevention flexible seal connecting mechanism of resistance to irradiation of the present utility model；
Described outer layer silicon cloth 15 is outside wall to described extension socket 10 is laid in described outer layer fiber cloth 14.
Preferably, in order to strengthen fire-retardant, heat insulation and radiotolerant performance, can after described internal layer ceramic fiber blanket 13 have laid, one layer of fluid sealant 16 of outer painting, then lay outer layer ceramic fiber blanket 17 again, lay described outer layer fiber cloth 14 afterwards again, and then lay described outer layer silicon cloth 15；Thus one, fire-retardant, the heat insulation and radiotolerant performance of the fire prevention flexible seal connecting mechanism of resistance to irradiation of the present utility model will double.If necessary, third layer ceramic fiber blanket can be laid method more according to this.
In the fire prevention flexible seal connecting mechanism of resistance to irradiation of the present utility model, described extension socket link is fixed on described extension socket 10 by flange and larynx hoop；Similarly, described wall link is also fixed on concrete wall by flange and larynx hoop.It is fixedly connected as this area routine techniques means with flange and larynx hoop, therefore just repeats no more herein.
In the fire prevention flexible seal connecting mechanism of resistance to irradiation of the present utility model, there is due to the use of silicon cloth good air-tightness, watertightness, there is due to the use of ceramic fiber blanket good fire-retardant, heat insulation and radiotolerant performance；When safe operation, the fire prevention flexible seal connecting mechanism of resistance to irradiation of the present utility model can be fixed and protect and run through pipeline, and when occurring the condition of a fire, regimen or irradiation to reveal, it can be ensured that the opposite side of wall is unaffected, and the state of affairs does not expand, do not worsen；If generation earthquake, then it is flexible material due to what this utility model used, certain deformation and displacement can be there is with the concussion running through pipeline, thus buffering concussion strength, guaranteeing that wall will not be destroyed along with the concussion running through pipeline, this has very important meaning for the safe operation of nuclear power station.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (6)
1. the fire prevention flexible seal connecting mechanism of resistance to irradiation; pipeline is run through through wall, it is characterised in that include extension socket and seal sleeve for protecting; described seal sleeve includes wall link and extension socket link, and described extension socket is sleeved in described extension socket link.
2. the fire prevention flexible seal connecting mechanism of resistance to irradiation according to claim 1, it is characterised in that described seal sleeve profile is truncated cone-shaped, described wall link diameter is more than described extension socket link diameter.
3. the fire prevention flexible seal connecting mechanism of resistance to irradiation according to claim 1 and 2, it is characterized in that, described seal sleeve includes the internal layer silicon cloth, inner fiber cloth, internal layer ceramic fiber blanket, outer layer fiber cloth and the outer layer silicon cloth that closely lay successively from inside to outside.
4. the fire prevention flexible seal connecting mechanism of resistance to irradiation according to claim 3, it is characterized in that, also including fluid sealant and outer layer ceramic fiber blanket, described outer layer ceramic fiber blanket is laid between described internal layer ceramic fiber blanket and described outer layer fiber cloth by described fluid sealant.
5. the fire prevention flexible seal connecting mechanism of resistance to irradiation according to claim 1, it is characterised in that described extension socket link is fixed on described extension socket by flange and larynx hoop.
6. the fire prevention flexible seal connecting mechanism of resistance to irradiation according to claim 1, it is characterised in that described wall link is fixed on described wall by flange and larynx hoop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152085.XU CN205371833U (en) | 2016-02-29 | 2016-02-29 | Fire prevention flexible sealing connecting device of nai irradiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152085.XU CN205371833U (en) | 2016-02-29 | 2016-02-29 | Fire prevention flexible sealing connecting device of nai irradiation |
Publications (1)
| Publication Number | Publication Date |
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| CN205371833U true CN205371833U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620152085.XU Active CN205371833U (en) | 2016-02-29 | 2016-02-29 | Fire prevention flexible sealing connecting device of nai irradiation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546223A (en) * | 2016-02-29 | 2016-05-04 | 烟台金润核电材料股份有限公司 | Fireproof and anti-irradiation flexible seal connection device |
-
2016
- 2016-02-29 CN CN201620152085.XU patent/CN205371833U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546223A (en) * | 2016-02-29 | 2016-05-04 | 烟台金润核电材料股份有限公司 | Fireproof and anti-irradiation flexible seal connection device |
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