CN104361920A - Flexible nuclear radiation protecting screen - Google Patents
Flexible nuclear radiation protecting screen Download PDFInfo
- Publication number
- CN104361920A CN104361920A CN201410544696.4A CN201410544696A CN104361920A CN 104361920 A CN104361920 A CN 104361920A CN 201410544696 A CN201410544696 A CN 201410544696A CN 104361920 A CN104361920 A CN 104361920A
- Authority
- CN
- China
- Prior art keywords
- flexible
- fiber
- metal inner
- radiation shield
- layer
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F1/00—Shielding characterised by the composition of the materials
- G21F1/12—Laminated shielding materials
- G21F1/125—Laminated shielding materials comprising metals
Abstract
The invention relates to a flexible nuclear radiation protecting screen which consists of a flexible metal inner core layer and two nonmetal coating layers, wherein the flexible metal inner core layer is packaged between the two nonmetal coating layers; the flexible metal inner core layer is three-dimensionally weaved by compound flexible alloy fibers; the compound flexible alloy fibers comprise metal inner core fibers and reticular-structure carbon fibers coating the metal inner core fibers; the metal inner core fibers comprise at least one lead alloy fiber, tungsten alloy fiber or tantalum alloy fiber; the nonmetal coating layer is formed by a thermoplastic resin and reticular reinforced fiber cloth in the thermoplastic resin through hot rolling; a hole and a round grommet are arranged at the edge part of the flexible nuclear radiation protecting screen. The flexible nuclear radiation protecting screen has excellent nuclear radiation protecting property, has the functions of retarding flame, preventing the inner core from fracturing and falling, resisting oil, preventing puncture and decontaminating, and can be widely applied to the daily radiation protection and nuclear emergency protection in the fields of nuclear stations, hospitals and military nuclear equipment.
Description
Technical field
The present invention relates to technical field of nuclear radiation protection, particularly relate to a kind of flexible core radiation shield.
Background technology
Nuclear science technology has been widely used in multiple fields such as national defence, the energy, industry, medical treatment, bring huge economic and social benefit, too increase people and contact various radiation and the chance threatened by it, nuclear and radiation safety problem is outstanding day by day and receive much concern.Radiation protection material is the key ensureing radiation place staff and public security with equipment, is also the effective means dissolving nuclear accident crisis, is the important leverage of military and civilian radiological safety protection, has active demand.
In recent years, because lead has good nuclear radiation protection effect and lower cost, be widely applied in nuclear radiation protection field.Stereotype, lead brick etc. generally provide stationary radiation to protect as protection body of wall or nuclear facilities main body, do not possess movability.Lead shield, stereotype, lead glass etc. also can be applied to the place that moving protection body maybe needs to provide temporarily protection, but radiation leakage has a big risk, builds that difficulty is high, utilization factor is low, suitable type is poor.Based on the flexible protective of lead powder rubber screen, protective clothing etc., possess that removable and detachability is strong, the advantage of good leak tightness, but protection efficiency low (linear attenuation coefficient is little), poor stability (matrix easily aging, lead powder easily comes off), recycling rate of waterused are low (repeatedly after folding use, folding line place is damaged), use cost high (for guaranteeing the validity of protecting, need frequently change).Above-mentioned deficiency will be overcome based on the flexible core radiation shield with the composite metal fiber of radiation protection function.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, propose a kind of flexible core radiation shield, the fields such as nuclear power station, hospital, military nuclear armament can be widely used in.
Technical matters solved by the invention is realized by following scheme: a kind of flexible core radiation shield, be made up of flexible metal inner sandwich layer and nonmetal-coated layer, described flexible metal inner sandwich layer is encapsulated in the middle of described two pieces of nonmetal-coated layers, described flexible metal inner sandwich layer is formed through three-dimensional woven by composite and flexible alloy fiber, described composite and flexible alloy fiber comprises metal inside fiber and is coated on described metal inside fiber in cancellated carbon fiber, described metal inside fiber comprises at least one lead alloy fiber or tungalloy fiber or tantalum alloy fiber, described nonmetal-coated layer to be rolled through heat by thermoplastic resin and the netted cloth of reinforcement fibers that is positioned at its inside and is composited.
In such scheme, described netted fortifying fibre is furnished with multilayer, and described every layer of netted cloth of reinforcement fibers upper and lower surface is coated with thermoplastic resin.
In such scheme, thick degree≤1 ㎜ of described netted cloth of reinforcement fibers every layer, total thickness≤3 ㎜ of described nonmetal-coated layer.
In such scheme, described netted cloth of reinforcement fibers is nylon cloth or carbon cloth.
In such scheme, described thermoplastic resin is polyurethane or Polyvinylchloride.
In such scheme, described flexible metal inner sandwich layer has one or more layers, the thickness >=0.3mm of described every layer of flexible metal inner sandwich layer, and the gross thickness of described flexible metal inner sandwich layer is no more than 10mm.
In such scheme, the diameter range of described composite and flexible alloy fiber is 0.03 ㎜-1.01 ㎜.
In such scheme, the diameter of described every root metal inside fiber is 0.02 ㎜-1 ㎜, and the diameter range of described carbon fiber or polytetrafluoroethylene fibre is 100-150D, and the radical scope of described carbon fiber or polytetrafluoroethylene fibre is 16-32 root.
In such scheme, described flexible core radiation shield edge is provided with suppending hole, and the diameter of described circular metal buttonhole is 10 ㎜-30 ㎜.
The invention has the beneficial effects as follows: this nuclear radiation protection screen has excellent nuclear radiation protection performance and good flexibility, its protection effect regulates by optimizing metallic alloy fiber silk composition, it can possess anti-nuclear radiation, anti-electromagnetic radiation and anti-static electrification simultaneously, also can possess the several functions such as the be full of cracks of fire-retardant, anti-inner core, the tenesmus of anti-inner core, grease proofing, anti-puncture, easy decontamination, daily radiation protection and the nuclear emergency protection in the fields such as nuclear power station, hospital, military nuclear armament can be widely used in.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail.
Fig. 1 is flexible core radiation shield schematic cross-section of the present invention.
Fig. 2 is the nonmetal-coated layer cross section schematic diagram of the embodiment of the present invention 1 and embodiment 4.
Fig. 3 is the nonmetal-coated layer cross section schematic diagram of the embodiment of the present invention 2.
Fig. 4 is the nonmetal-coated layer cross section schematic diagram of the embodiment of the present invention 3.
In figure: 1, flexible metal inner sandwich layer; 2, nonmetal-coated layer; 3, nylon cloth; 4, carbon cloth; 6, polyurethane; 7, Polyvinylchloride.
Embodiment
Below by the mode of embodiment, technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
embodiment 1
First be that the flexible lead alloy filament automatic winding of 0.4mm is on shuttle by 1 diameter, 16 diameters are selected to be that under the effect of robotization coating machine, be made into diameter be 0.5 ㎜ composite and flexible lead alloy fiber for the carbon fiber of 150D, then composite and flexible lead alloy fiber is placed on weaving on full-automatic three-dimensional loom, forms the flexible metal inner sandwich layer 1 that thickness is 1.5mm; Select the netted nylon cloth 3 of 0.5mm, be disposed in order netted nylon cloth 3 and thermoplastic polyurethane 6 by polyurethane/nylon cloth/polyurethane/nylon cloth/polyurethane, after hot pressing, form the nonmetal-coated layer 2 that 0.75mm is thick.Metal inside layer 1 is put in the middle of two adjacent nonmetal-coated layers 2, hot press carries out secondary forging and stamping, makes the flexible core radiation shield that thickness is 3mm.According to requirements, carrying out punching in flexible core radiation shield edge and place diameter is that the circular metal buttonhole of 15mm is for suspension.After tested, prepared sample has good folding restorability, and on NaI spectrometer, test its radiation protection performance, and radioactive source selects Cs-137, and the radiation protection ability of sample is 1.4mmPb.
embodiment 2
The tungalloy fibers mixture of to be first the flexible lead alloy fiber of 0.4mm and 1 diameter by 1 diameter be 0.04mm is wound on shuttle, 32 diameters are selected to be that the carbon fiber of 100D is made into the composite and flexible alloy fiber that diameter is 0.6mm under the effect of robotization coating machine, then composite and flexible alloy fiber is placed on weaving on three-dimensional loom, forms the flexible metal inner sandwich layer 1 that thickness is 1.8mm.Choose the carbon cloth 4 that thickness is 0.3mm, be disposed in order netlike carbon fiber cloth and thermoplastic urethane layers 6 by polyurethane/carbon cloth/polyurethane, after hot pressing, form the nonmetal-coated layer 2 that 0.5mm is thick.It is the centre that the metal inside layer 1 of 1.8mm puts into two adjacent nonmetal-coated layers 2 by thickness, hot press carries out secondary forging and stamping, make the flexible core radiation shield that thickness is 4mm, according to requirements, carrying out punching in flexible core radiation shield edge and place diameter is that the circular metal buttonhole of 15mm is for suspension.After tested, prepared thickness of sample is 2.8mm, has good folding restorability.NaI spectrometer is tested its radiation protection performance, and radioactive source selects Cs-137, and the radiation protection ability of sample is 1.8mmPb.
embodiment 3
The tantalum alloy fibers mixture of to be first the flexible lead alloy fiber of 0.4mm and 1 diameter by 1 diameter be 0.03mm is wound on shuttle, 32 diameters are selected to be that the carbon fiber of 100D is under the effect of robotization coating machine, be made into the composite and flexible alloy fiber that diameter is 0.6mm, then composite and flexible alloy fiber is placed on weaving on three-dimensional loom, forms the flexible metal inner sandwich layer 1 that thickness is 1.8mm.Choose the carbon cloth 4 that thickness is 0.3mm, be disposed in order netlike carbon fiber cloth and Polyvinylchloride 7 by Polyvinylchloride/carbon cloth/Polyvinylchloride, after hot pressing, form the nonmetal-coated layer 2 that thickness is 0.5mm.Metal inside layer 1 is put into the centre of adjacent two nonmetal-coated layers 2, hot press carries out secondary forging and stamping, make the flexible core radiation shield that thickness is 2.8mm.According to requirements, carrying out punching in flexible core radiation shield edge and place diameter is that the circular metal buttonhole of 15mm is for suspension.After tested, prepared sample has good folding restorability.NaI spectrometer is tested its radiation protection performance, and radioactive source selects Cs-137, and the radiation protection ability of sample is 1.9mmPb.
embodiment 4
First be that the flexible lead alloy filament automatic winding of 0.6mm is on shuttle by 1 diameter, 32 diameters are selected to be that the polytetrafluoroethylene fibre of 100D is made into the composite and flexible lead alloy fiber that diameter is 0.7 ㎜ under the effect of robotization coating machine, composite and flexible lead alloy fiber is placed on full-automatic three-dimensional loom and is woven into the flexible metal inner core that thickness is 2mm, then be the flexible metal inner core of 2mm by 5 pieces of thickness, use multifunctional binder block-by-block coating respectively, flexible metal inner core block-by-block overlap after every block coating is placed in a special wooden model, temperature 300 degree, under the hot press effect of pressure 300 tons, compacting is dried, form the flexible metal inner sandwich layer 1 that thickness is 10mm, select the netted nylon cloth 3 of 1mm, be disposed in order netted nylon cloth 3 and thermoplastic polyurethane 6 by polyurethane/nylon cloth/polyurethane/nylon cloth/polyurethane, after hot pressing, form the nonmetal-coated layer 2 that 1.5mm is thick.Metal inside layer 1 is put in the middle of two adjacent nonmetal-coated layers 2, hot press carries out secondary forging and stamping, makes the flexible core radiation shield that thickness is 13mm.According to requirements, carrying out punching in flexible core radiation shield edge and place diameter is that the circular metal buttonhole of 15mm is for suspension.After tested, prepared sample has good folding restorability, and on NaI spectrometer, test its radiation protection performance, and radioactive source selects Cs-137, and the radiation protection ability of sample is 9.7mmPb.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a flexible core radiation shield, it is characterized in that: be made up of flexible metal inner sandwich layer (1) and nonmetal-coated layer (2), described flexible metal inner sandwich layer (1) is encapsulated in the middle of described two pieces of nonmetal-coated layers (2), described flexible metal inner sandwich layer (1) is formed through three-dimensional woven by composite and flexible alloy fiber, described composite and flexible alloy fiber comprises metal inside fiber and is coated on described metal inside fiber in cancellated carbon fiber or polytetrafluoroethylene fibre, described metal inside fiber comprises at least one lead alloy fiber or tungalloy fiber or tantalum alloy fiber, described nonmetal-coated layer to be rolled through heat by thermoplastic resin and the netted cloth of reinforcement fibers that is positioned at its inside and is composited.
2. a kind of flexible core radiation shield according to claim 1, is characterized in that: described netted fortifying fibre is furnished with multilayer, and described every layer of netted cloth of reinforcement fibers upper and lower surface is coated with thermoplastic resin.
3. a kind of flexible core radiation shield according to claim 2, is characterized in that: thick degree≤1 ㎜ of described netted cloth of reinforcement fibers every layer, total thickness≤3 ㎜ of described nonmetal-coated layer (2).
4. a kind of flexible core radiation shield according to Claims 2 or 3, is characterized in that: described netted cloth of reinforcement fibers is nylon cloth (3) or carbon cloth (4).
5. a kind of flexible core radiation shield according to Claims 2 or 3, is characterized in that: described thermoplastic resin is polyurethane (6) or Polyvinylchloride (7).
6. a kind of flexible core radiation shield according to claim 1, it is characterized in that: described flexible metal inner sandwich layer (1) has one or more layers, thickness >=the 0.3mm of described every layer of flexible metal inner sandwich layer, the gross thickness of described flexible metal inner sandwich layer is no more than 10mm.
7. a kind of flexible core radiation shield according to claim 6, is characterized in that: the diameter range of described composite and flexible alloy fiber is 0.03 ㎜-1.01 ㎜.
8. a kind of flexible core radiation shield according to claim 7, it is characterized in that: the diameter of described every root metal inside fiber is 0.02 ㎜-1 ㎜, the diameter range of described carbon fiber or polytetrafluoroethylene fibre is 100-150D, and the radical scope of described carbon fiber or polytetrafluoroethylene fibre is 16-32 root.
9. a kind of flexible core radiation shield according to claim 1 or 2 or 3 or 6 or 7 or 8, is characterized in that: the punching of described flexible core radiation shield edge, and arranges circular metal buttonhole, and the diameter of described circular hole grommet is 10 ㎜-30 ㎜.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544696.4A CN104361920A (en) | 2014-10-15 | 2014-10-15 | Flexible nuclear radiation protecting screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544696.4A CN104361920A (en) | 2014-10-15 | 2014-10-15 | Flexible nuclear radiation protecting screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104361920A true CN104361920A (en) | 2015-02-18 |
Family
ID=52529175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410544696.4A Pending CN104361920A (en) | 2014-10-15 | 2014-10-15 | Flexible nuclear radiation protecting screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104361920A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870793A (en) * | 2016-04-12 | 2016-08-17 | 李程 | Anti-interference power switch cabinet |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445951A (en) * | 1981-07-01 | 1984-05-01 | Rolls-Royce Limited | Method of manufacturing composite materials |
| CN2589194Y (en) * | 2002-12-24 | 2003-12-03 | 广州市科宝有限公司 | Short fibre reinforced slurry-type moulding layered product |
| CN101667466A (en) * | 2009-09-15 | 2010-03-10 | 扬州锦江有色金属有限公司 | Soft lead screen |
| CN201653936U (en) * | 2010-04-09 | 2010-11-24 | 扬州锦江有色金属有限公司 | X-ray shielding lead curtain of X-ray security inspection machine |
| CN103072285A (en) * | 2012-10-22 | 2013-05-01 | 镇江铁科橡塑制品有限公司 | Fiber reinforced resin sheet and laminated compression moulding forming method thereof |
| CN103757778A (en) * | 2014-01-13 | 2014-04-30 | 扬州锦江有色金属有限公司 | Composite fiber filament for nuclear radiation protection and production method of composite fiber filament |
| CN103774330A (en) * | 2014-01-13 | 2014-05-07 | 扬州锦江有色金属有限公司 | Nuclear radiation protection fabric |
| CN204257219U (en) * | 2014-10-15 | 2015-04-08 | 扬州锦江有色金属有限公司 | A kind of flexible core radiation shield |
-
2014
- 2014-10-15 CN CN201410544696.4A patent/CN104361920A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445951A (en) * | 1981-07-01 | 1984-05-01 | Rolls-Royce Limited | Method of manufacturing composite materials |
| CN2589194Y (en) * | 2002-12-24 | 2003-12-03 | 广州市科宝有限公司 | Short fibre reinforced slurry-type moulding layered product |
| CN101667466A (en) * | 2009-09-15 | 2010-03-10 | 扬州锦江有色金属有限公司 | Soft lead screen |
| CN201653936U (en) * | 2010-04-09 | 2010-11-24 | 扬州锦江有色金属有限公司 | X-ray shielding lead curtain of X-ray security inspection machine |
| CN103072285A (en) * | 2012-10-22 | 2013-05-01 | 镇江铁科橡塑制品有限公司 | Fiber reinforced resin sheet and laminated compression moulding forming method thereof |
| CN103757778A (en) * | 2014-01-13 | 2014-04-30 | 扬州锦江有色金属有限公司 | Composite fiber filament for nuclear radiation protection and production method of composite fiber filament |
| CN103774330A (en) * | 2014-01-13 | 2014-05-07 | 扬州锦江有色金属有限公司 | Nuclear radiation protection fabric |
| CN204257219U (en) * | 2014-10-15 | 2015-04-08 | 扬州锦江有色金属有限公司 | A kind of flexible core radiation shield |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870793A (en) * | 2016-04-12 | 2016-08-17 | 李程 | Anti-interference power switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103774330B (en) | Nuclear radiation protection fabric | |
| CN104361919A (en) | Pipeline nuclear radiation shielding bandage | |
| CN103778986A (en) | Multifunctional nuclear radiation protective garment | |
| CN109903871B (en) | High-performance nuclear radiation shielding device and technology based on graphene nano material | |
| CN204257219U (en) | A kind of flexible core radiation shield | |
| CN103137228A (en) | Flexible composite material capable of shielding nuclear radiation | |
| CN206264476U (en) | High-strength explosion-proof plate | |
| WO2014088728A2 (en) | Nuclear radiation shields, shielding systems and associated methods | |
| CN204257218U (en) | A kind of pipeline nuclear radiation shield bandage | |
| CN103757778A (en) | Composite fiber filament for nuclear radiation protection and production method of composite fiber filament | |
| CN104361920A (en) | Flexible nuclear radiation protecting screen | |
| CN201653279U (en) | Flexible bulletproof and stab-proof integrated protective suit core | |
| CN105172256A (en) | Preparation method for bulletproof plates different in lamination proportion of reinforcing materials | |
| CN203683804U (en) | Composite fiber for nuclear radiation protection | |
| EP2727116A2 (en) | Method for the construction of a secure nuclear reactor plant, and corresponding reactor plant | |
| CN102651244A (en) | Nuclear radiation shielding product woven alloy lead filament chip | |
| CN208781595U (en) | A kind of 1E grade K 3 genus nuclear is hung with low smoke and zero halogen moving flat cable | |
| CN216032992U (en) | Double-layer comfortable electric arc protection fabric | |
| CN108638619A (en) | Impact-resistant electromagnetic shielding laminate of one kind and the preparation method and application thereof | |
| CN211195182U (en) | Light, thin and soft bulletproof material | |
| CN102789031A (en) | Nuclear energy monitoring optical cable | |
| CN102650088A (en) | Nuclear radiation shielding alloy lead fiber woven fabric | |
| CN202887864U (en) | Fireproof multi-core power cable | |
| CN102218882A (en) | Fabric used for nuclear radiation shielding lead clothes and production method thereof | |
| CN202305920U (en) | Nuclear energy monitoring optical cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150218 |
|
| RJ01 | Rejection of invention patent application after publication |