CN102218882A - Fabric used for nuclear radiation shielding lead clothes and production method thereof - Google Patents
Fabric used for nuclear radiation shielding lead clothes and production method thereof Download PDFInfo
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- CN102218882A CN102218882A CN2011100752546A CN201110075254A CN102218882A CN 102218882 A CN102218882 A CN 102218882A CN 2011100752546 A CN2011100752546 A CN 2011100752546A CN 201110075254 A CN201110075254 A CN 201110075254A CN 102218882 A CN102218882 A CN 102218882A
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- nuclear radiation
- lead clothes
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- radiation shielding
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Abstract
The invention discloses fabric used for nuclear radiation shielding lead clothes and a production method thereof and relates to a nuclear radiation technology. Woven TPU (Thermoplastic Polyurethanes) base fabric is dipped in composite coating slurry consisting of flame retardant, anti-fouling agent and antioxidant, and then is dried and shaped to manufacture the fabric. The invention has simple and reasonable technique, has a flame retardant oxygen index equal to or more than 27 percent and a tensile strength equal to or more than 700N/cm2, can prevent water and oil, can be decontaminated, can be disposed and updated and is beneficial for reducing the production cost of the lead clothes and improving the service life of the lead clothes.
Description
Technical field
The present invention relates to examine radiation protection technology, use the material production technical field especially for what make plumbous clothing lining that radiation proof uses.
Background technology
Studies show that, the external exposure line of nuclear power station is mainly gamma-rays, it is mainly from the fission product of nuclear reaction with by the pipeline of neutron activation and valve, because the appearance of activation corrosion product in the pipeline, cause the deposition of radioactive particulate in the pipeline, make control zone a lot of upkeep operation site surrounding dosage higher, increased staff's external irradiation dose, general employing shielding is removed.Therefore, on shielding material is selected, make every effort to highly effective and safe, low cost and save the space, select steel, lead, normal concrete and loaded concrete etc. usually.The intensity of steel is better, but price is higher; Concrete more cheap than heavy metal, but density is little, and shielding thickness is big; Plumbous advantage be density height, fusing point low, anti-corrosion, to gamma-rays good adsorption is arranged and be difficult for by through characteristic, be easy to cast and relative shielding thickness less, so lead is the shielding material of first-selection.
At present, China is at the nuclear power station of operation, the shielding goods (plumbous clothing or lead shield) that control zone biological shielding system adopts mainly are: " the no gap solid metal block shape stereotype " of roll forming, this metal stereotype exist that lead equivalent is low, conformal performance can be poor, the generation waste material is many, resource utilization is not high; The product heaviness, it is big to cause shielding operation labor intensity, and staff's exposure time is long, dosage is big, easily causes heat-insulation layer distortion, tenesmus, and the control zone roentgen dose X increases, and safety coefficient is low, and potential risk is big; Be not suitable for special-shaped equipment such as pipeline, valve and personnel's shielding; And be difficult for decontamination, drawback such as service life is short.Therefore, stereotype shielding goods are difficult to compatibility, sustainable development of incompatibility nuclear industry and the needs that people-oriented on shield effectiveness and structure function.
Studies show that anti-nuclear radiation biological shielding goods also must possess good physical and mechanical property (obdurability, heat endurance etc.) except that will having higher shield effectiveness.It is reported that current, the material and the goods that are used for anti-nuclear radiation biological shielding mainly contain following four classes.One class is based on general industry lead, the no gap metal derby shape stereotype of roll extrusion or moulding by casting, lead brick, sheet lead concrete etc.; Second class is based on lead powder, and rubber, polyethylene foam etc. are as mixed flexible article and coating, the adhesive etc. that are composited of base-material; The 3rd class be with no gap metal derby shape sheet lead as heart, ectonexine coats crosslinked foaming material and the continuous synthetic fibre material product of synthetic rubber; The 4th class is to make light-weight high-strength materials such as cenosphere with heavy metals such as lead.Facts have proved that although stereotype, the anti-nuclear radiation effect of sheet lead goods are preferable, use amount is big when building shielding harness, it is big to build difficulty, inefficiency, and it is many to produce waste material, and potential risk is big; And stereotype goods conformal performance is poor, can not bend, and is not suitable for the shielding of special-shaped equipment such as pipeline, valve, and careless manipulation easily drops and hurts sb.'s feelings or damage equipment.And mixed goods, coating and the adhesive that is composited of lead powder and rubber, polyethylene foam-material, though have certain flexibility, but because the lead powder particle easily gathers, be difficult in base-material evenly mixed, so shielding properties is inhomogeneous, and lead equivalent is low, rubber and polyethylene etc. are easily aging, influences shield effectiveness, brings by the danger of radiation to the staff.The cenosphere light-weight high-strength material that heavy metals such as lead are made, though anti-nuclear radiation performance is excellent, cost height, cost are big, generally are used for the anti-nuclear radiation of nuclear rocket engine and leak.
The inventor if can substitute thick and heavy stereotype, sheet lead with galvanized wire after further research, makes the sandwich layer of chip shielding goods, then can overcome the defective of above prior art.The sandwich layer of making is wrapped in the weaving face fabric, prevents that metal from exposing, can improve the durability of product.But because the cost of manufacture of plumbous clothing product is higher, and the environment that uses can run into various pollutions, therefore adopts common textile fabrics can not satisfy instructions for use as the lining of plumbous clothing.
Summary of the invention
The object of the invention is to propose a kind of plumbous clothing lining of the employed nuclear radiation shield of phase nuclear field that is adapted at.
The present invention includes the TPU base cloth, it is characterized in that on described TPU base cloth surface composite coating being set, described composite coating is mainly mixed by fire retardant, anti-fouling agent and antiaging agent and forms.
Fire resistance oxygen index (OI) of the present invention 〉=27%, tensile strength 〉=700N/cm
2, waterproof, grease proofing, but decontamination, can dispose renewal, help reducing the production cost of plumbous clothing, improve the service life of plumbous clothing.
Another object of the present invention is to propose the production method of the plumbous clothing of nuclear radiation shield with lining:
With the TPU base cloth that is spun in mixing by fire retardant, anti-fouling agent and antiaging agent in the composite coating slurries of forming behind the dipping, again drying, finalize the design and make.
Technology of the present invention is simple, reasonable, is easy to manufacture, and only needs to handle routinely in the back process of TPU base cloth, promptly can be made into.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
The specific embodiment
1, forms the TPU base cloth by weaving.
2, post processing
Fire retardant, anti-fouling agent and antiaging agent are mixed the composite coating slurries of forming, and the composite coating slurries are placed stock tank.
3, by unreeling and rolling, make the TPU base cloth earlier by behind the stock tank dipping, drying, typing are made again.
4, product structure as shown in Figure 1, is provided with inflaming-retarding antifouling and antiaging agent composite coating 2,3 respectively at two outer surfaces of TPU base cloth 1.
5, product fire resistance oxygen index (OI) 〉=27% of making, tensile strength 〉=700N/cm
2, have waterproof, grease proofing characteristic.
Claims (2)
1. the plumbous clothing lining of nuclear radiation shield comprises the TPU base cloth, it is characterized in that on described TPU base cloth surface composite coating being set, and described composite coating is mainly mixed by fire retardant, anti-fouling agent and antiaging agent and forms.
One kind according to claim 1 the plumbous clothing of nuclear radiation shield it is characterized in that the TPU base cloth that will be spun in mixing by fire retardant, anti-fouling agent and antiaging agent in the composite coating slurries of forming behind the dipping with the production method of lining, again drying, finalize the design and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100752546A CN102218882A (en) | 2011-03-28 | 2011-03-28 | Fabric used for nuclear radiation shielding lead clothes and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100752546A CN102218882A (en) | 2011-03-28 | 2011-03-28 | Fabric used for nuclear radiation shielding lead clothes and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102218882A true CN102218882A (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100752546A Pending CN102218882A (en) | 2011-03-28 | 2011-03-28 | Fabric used for nuclear radiation shielding lead clothes and production method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN102218882A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103106937A (en) * | 2011-11-14 | 2013-05-15 | 惠和株式会社 | Radioactivity protective sheet and method for manufacturing radioactivity protective sheet |
| WO2019184928A1 (en) * | 2018-03-29 | 2019-10-03 | 何满潮 | Nuclide-migration-prevention barrier for underground neutron energy power station and construction method therefor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201655346U (en) * | 2010-04-09 | 2010-11-24 | 扬州锦江有色金属有限公司 | Pure-lead-fiber ray protective clothing |
| CN101929083A (en) * | 2009-06-19 | 2010-12-29 | 上海华峰超纤材料股份有限公司 | Superfine fiber polyurethane leather and base cloth as well as preparation method and application |
-
2011
- 2011-03-28 CN CN2011100752546A patent/CN102218882A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929083A (en) * | 2009-06-19 | 2010-12-29 | 上海华峰超纤材料股份有限公司 | Superfine fiber polyurethane leather and base cloth as well as preparation method and application |
| CN201655346U (en) * | 2010-04-09 | 2010-11-24 | 扬州锦江有色金属有限公司 | Pure-lead-fiber ray protective clothing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103106937A (en) * | 2011-11-14 | 2013-05-15 | 惠和株式会社 | Radioactivity protective sheet and method for manufacturing radioactivity protective sheet |
| CN103106937B (en) * | 2011-11-14 | 2015-11-18 | 惠和株式会社 | The manufacture method of radioactivity protection sheet material and radioactivity protection sheet material |
| WO2019184928A1 (en) * | 2018-03-29 | 2019-10-03 | 何满潮 | Nuclide-migration-prevention barrier for underground neutron energy power station and construction method therefor |
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Application publication date: 20111019 |