CN109535504A - A kind of irradiation station shielding material and preparation method thereof - Google Patents
A kind of irradiation station shielding material and preparation method thereof Download PDFInfo
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- CN109535504A CN109535504A CN201811144487.5A CN201811144487A CN109535504A CN 109535504 A CN109535504 A CN 109535504A CN 201811144487 A CN201811144487 A CN 201811144487A CN 109535504 A CN109535504 A CN 109535504A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0856—Iron
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0862—Nickel
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention proposes a kind of irradiation station shielding material, including base, shielded layer is respectively coated in the upper and lower surfaces of base；The constituent of shielded layer is as follows according to parts by weight: 80-120 parts of liquid nitrile rubber, 8-12 parts of ethylene propylene diene rubber, 0-15 parts of silica 1,5-10 parts of methyl-silicone oil, 3-6 parts of white carbon black, 1-3 parts of graphite, 1-3 parts of boron powder, 1-3 parts of borax, 1-3 parts of boron nitride, 1-3 parts of boron carbide, 2-5 parts of lead powder, 2-5 parts of iron powder, 2-5 parts of nickel powder, heat resistance of the present invention is good, and protective performance is good.
Description
Technical field
The present invention relates to a kind of shielding material, in particular to a kind of irradiation station shielding material and preparation method thereof.
Background technique
Reactor is the core of nuclear power source system, and nuclear fission (or fusion) therein can generate various radiation rays
Such as neutron, gamma-rays, secondary gamma-rays and the other charged particles and high-energy ray of different energy levels, injury is brought to human body, together
When also can welding.In order to prevent or the harm that radiation ray is brought, Yao Jinhang radiation protection are reduced, and radiated
Protection depends on the performance of anti-radiation shielding material and the optimization design of radiation shielding structure.Anti-radiation shielding material master
Refer to that the ionising radiations such as centering and gamma-rays have the material of shielding action, wherein the uranium after heavy metal such as lead, tungsten, decay
(238U) and iron, nickel etc. are all that effective gamma-rays weakens body, also there is good moderating effect to fast neutron；And boron, stone
, these materials more effective to the decrease of neutron or absorption if ink, hydrogen-rich compound (such as water, heavy water) and high molecular material etc.
And its composite material has been widely used in various nuclear reactor shielding harness and has played considerable effect.
But with the development of nuclear power source and various nuclear reactors, to anti-radiation shielding material and other shielding harness
It is required that higher and higher.Single traditional shielding material is difficult to meet all requirement of shelter, by taking traditional sheet lead as an example, conduct
Shield, long-term suspension itself can generate rheology, influence anti-radiation performance, and sheet lead itself is easy contaminated, is unfavorable for secondary
It utilizes；And existing many compound anti-radiation shielding materials are difficult to the requirement for meeting radiation protection to its comprehensive performance,
Shielding properties and other performances such as mechanical property, heat resistance, anti-radiation performance etc. for being mainly manifested in anti-radiation shielding material are difficult
To take into account.The defect for how solving above-mentioned anti-radiation shielding material, providing one kind has flexible and mechanical strength, and to neutron
The shielding material that can be carried out effective protection with nuclear radiation such as gamma-rays is ongoing research area problem in the urgent need to address.
Summary of the invention
In view of the above-mentioned problems, heat resistance is good the invention proposes a kind of irradiation station shielding material and preparation method thereof,
Protective performance is good.
Specific technical solution is as follows:
Shielded layer is respectively coated in the upper and lower surfaces of base in a kind of irradiation station shielding material, including base；
The constituent of shielded layer is as follows according to parts by weight:
It is 80-120 parts of liquid nitrile rubber, 8-12 parts of ethylene propylene diene rubber, 0-15 parts of silica 1,5-10 parts of methyl-silicone oil, white
3-6 parts of carbon black, 1-3 parts of graphite, 1-3 parts of boron powder, 1-3 parts of borax, 1-3 parts of boron nitride, 1-3 parts of boron carbide, 2-5 parts of lead powder, iron
2-5 parts of powder, 2-5 parts of nickel powder.
Further, the preparation method of above-mentioned irradiation station shielding material, its step are as follows:
(1) after the constituent of each shielded layer being kneaded by above-mentioned parts by weight obtain shielded layer glue；
(2) shielded layer glue is coated in the upper and lower surfaces of base by coating apparatus, obtaining a layer thickness is
The first screen layer of 0.5-1mm；
(3) after drying first screen layer, shielded layer glue is continued to be coated in first screen layer upper and lower surfaces, is obtained
The secondary shielding layer for being 1-1.5mm to a layer thickness, drying winding.
Further, base is lead foil (thickness 0.1-0.3mm), in aluminium foil (thickness 0.05-0.3mm) or non-woven fabrics fabric
One kind.
Further, coating apparatus includes feed roller, material receiving roller, the first coating tooling, the first heating tooling, the second coating
Tooling and the second heating tooling；
First coating tooling and the second coating tooling include impregnation pond, and the left side wall in impregnation pond is equipped with first chamber, impregnation
The right side wall in pond is equipped with second chamber, and first chamber and second chamber are connected by first through hole with impregnation pond respectively,
The bottom in impregnation pond is equipped with heater；
Vertical in first chamber to be rotatably equipped with first rotating shaft, first rotating shaft is equipped with multiple rotating vanes, the top of first chamber
Portion is equipped with third chamber, the setting upwardly extended at the top of first rotating shaft in third chamber, and be fixed on third chamber
In the output shaft of first motor be connected；
The second upper chamber and the second lower chambers are separated by first partition in second chamber, are equipped with first axle in the second upper chamber
Flow fan, the second lower chambers are equipped with the second aerofoil fan, and the rotation direction of the first aerofoil fan and the second aerofoil fan is opposite；
A cover board is connected and fixed on impregnation pond, cover board is equipped with first charging aperture and the first discharge port；
It is horizontal in impregnation pond to set there are two the first reversing roller, shielded layer glue is equipped in impregnation pond；
First heating tooling and the second heating tooling include heated shell, and the left side of heated shell is equipped with second charging aperture, adds
The right side of hot shell is equipped with the second discharge port；
The first heating mechanism, drying mechanism and the second heating mechanism are successively arranged in heated shell from left to right；
First heating mechanism and the second heating mechanism include the heating component of upper and lower mirror settings；
The heating component being located above includes heating chamber, is equipped with the second demarcation plate in heating chamber, the top of the second demarcation plate is equipped with
Electric heating tube, the second demarcation plate are equipped with multiple first ventilation ducts, and the top of the first ventilation duct is bell-mouth structure of air, the first ventilation
The bottom of pipeline at the top of bellows and the second ventilation shaft by being connected, and the second ventilation shaft is fixed in shaft, cylinder
The shaft of body structure is spindle rotationally arranged in the inserting groove of heating chamber bottom, and the bottom of the second ventilation shaft passes through grafting
For slot position in the lower section of heating chamber, the bottom of the second ventilation shaft is arranged a lantern ring, fixes one between two adjacent lantern rings
First connecting rod, the lantern ring positioned at the leftmost side are equipped with second connecting rod, and second connecting rod is fixedly connected with electric pushrod, and electric pushrod is logical
Cross the bottom that bracket is fixed on heating chamber；
Electric pushrod pushes second connecting rod to move horizontally, so that second channel tunnel synchronization be made to be swung；
Heated shell is equipped with the blast pipe that is connected with heating chamber, and blast pipe is connected with blower, blast pipe pass through blower to
Air is passed through in heating chamber, air is blown out after electric heater for heating from the second ventilation shaft；
Drying mechanism includes drying fixed plate, and drying fixed plate is fixed on the push rod of cylinder, and cylinder is fixed on heated shell
Top, the bottom for drying fixed plate are equipped with multiple ultraviolet lamps；
Feed roller, the first coating tooling, the first heating tooling, the second coating tooling, second heat tooling and material receiving roller from left-hand
The right side is set gradually；
Second reversing roller is respectively equipped with above the first charging aperture of first coating tooling and the first discharge port and third is changed
To roller, the 4th reversing roller and the 5th is respectively equipped with above the first charging aperture of the second coating tooling and the first discharge port and is changed
To roller；
The base set is rolled up on feed roller and enters the first coating tooling from first charging aperture after the commutation of the second reversing roller, is changed through first
To after roller reversing roller winding, is come out from the first discharge port and enter the first heater through second charging aperture after the commutation of third reversing roller
Dress；
After base comes out from the second discharge port of the first heating tooling, enter the from first charging aperture after the commutation of the 4th reversing roller
Two coating toolings come out after the commutation of the 5th reversing roller from the first discharge port through second after the first reversing roller reversing roller winding
Feed inlet enters the second heating tooling；
After the second discharge port that tooling heats from second in base comes out, wound by material receiving roller.
Further, the top of the first charging aperture of the first coating tooling is equipped with cleaning mechanism, the first coating tooling and the
The lower section of first discharge port of two coating toolings is equipped with frictioning mechanism；
Cleaning mechanism includes cleaning assemblies of the mirror settings at left and right sides of base, and cleaning assemblies includes tilt upward setting
One support plate, the top of the first support plate are rotatably equipped with steel wire roller, and the shaft of steel wire roller is equipped with first gear, the first tooth
Wheel is connected by chain with the second gear being fixed on the second motor, and steel wire roller drives rotation, steel wire by the second motor
The rotation direction of roller and the moving direction of base are opposite；
Frictioning mechanism includes frictioning component of the mirror settings at left and right sides of base, and frictioning component includes pedestal, is tilted on pedestal
Downward is equipped with scraper plate.
Further, first connecting rod, second connecting rod are horizontally disposed, are arranged one on first connecting rod and second connecting rod respectively
Stop collar, stop collar are fixed on the bottom of heating chamber.
Further, the application method of coating apparatus are as follows:
(1) base that sets is rolled up on feed roller and enters the first coating tooling from first charging aperture after the commutation of the second reversing roller, through the
It after one reversing roller reversing roller winding, is come out from the first discharge port, in the process, shielded layer glue is coated in the upper surface of base
On lower surface, the first screen layer that a layer thickness is 0.5-1mm is obtained；
(2) base for having coated first screen layer enters the first heating tooling through second charging aperture after the commutation of third reversing roller,
Successively after the heating of the first heating mechanism, the solidification of drying mechanism ultraviolet light and the heating of the second heating mechanism, natural cooling is carried out,
Make first screen layer curing molding, in the process, the heating temperature of the first heating mechanism is greater than the heating of the second heating mechanism
Temperature；
(3) base from first heating tooling the second discharge port come out after, through the 4th reversing roller commutation after from first charging aperture into
Enter the second coating tooling, after the first reversing roller reversing roller winding, is come out from the first discharge port, in the process, shielded layer glue
Liquid continues to be coated in first screen layer upper and lower surfaces, obtains the secondary shielding layer that a layer thickness is 1-1.5mm；
(4) base for having coated secondary shielding layer enters the second heating tooling through second charging aperture after the commutation of the 5th reversing roller,
Successively after the heating of the first heating mechanism, the solidification of drying mechanism ultraviolet light and the heating of the second heating mechanism, make secondary shielding layer
Curing molding is wound after carrying out natural cooling by material receiving roller, and in the process, the heating temperature of the first heating mechanism is greater than
The heating temperature of second heating mechanism.
The invention has the benefit that
(1) it since its material is relatively soft, can be used for substituting traditional radiation protection material, such as lead, concrete, solve tradition
Radiation protection material be not available or be difficult to the case where installing, be particularly used in nuclear power station radioactivity valve, threeway, T-type
The package of the facilities such as part, concentric reducer, pipeline, and can be according to the size of radiation hotspot location radiation source (such as valve, pipeline)
Direct machine-shaping, to the cladding of pipeline and valve, sealing thoroughly, does not stay radiation by gap, and shielding properties is more excellent；In addition,
It is small in size when being shielded using the shielding material to nuclear power station radioactive component, it occupies little space, it is convenient for disassembly and assembly, it is convenient
Interim dismounting maintenance；
(2) easy to clean, it can repeatedly use, the processing disposal costs of the radioactive waste after reducing pollution use more ring
It protects, is more economical；And it is rubber material waterproof in protective layer, moisture-proof, fire-retardant, it is also prevented from the table of functional material in function of shielding layer
Face oxidation；
(3) it is using rubber as substrate, and the property of rubber determines that the flexible shielding material will not be as the tradition shielding material such as stereotype
Material is equally generated and is crept and flowed, therefore can guarantee its protection and sealing effect for a long time；It is applicable under various high and low temperature environments
Radiation-resistant glass.
Detailed description of the invention
Fig. 1 is coating apparatus structure chart.
Fig. 2 is the first coating tooling cross-sectional view.
Fig. 3 is part A enlarged drawing in Fig. 2.
Fig. 4 is part B enlarged drawing in Fig. 2.
Fig. 5 is the first heating tooling cross-sectional view.
Fig. 6 is the first heating mechanism cross-sectional view.
Fig. 7 is C portion enlarged drawing in Fig. 6.
Appended drawing reference
Feed roller 1, material receiving roller 2, first coat tooling 3, first heat tooling 4, second coat tooling 5, second heat tooling 6,
Base 7, the second reversing roller 8, third reversing roller 9, the 4th reversing roller 10, the 5th reversing roller 11, impregnation pond 31, first chamber 32,
Second chamber 33, first through hole 34, heater 35, first rotating shaft 36, rotating vane 37, third chamber 38, first motor 39, first every
Plate 310, the first aerofoil fan 311, the second aerofoil fan 312, first charging aperture 313, the first discharge port 314, the first reversing roller
315, cover board 316, heated shell 41, second charging aperture 42, the second discharge port 43, the first heating mechanism 44, drying mechanism 45,
Two heating mechanisms 46, heating chamber 47, the second demarcation plate 48, electric heating tube 49, the first ventilation duct 410, bellows 411, second are logical
Air piping 412, shaft 413, lantern ring 414, first connecting rod 415, second connecting rod 416, electric pushrod 417, blast pipe 418, drying
Fixed plate 419, cylinder 420, ultraviolet lamp 421, stop collar 426, cleaning mechanism 51, frictioning mechanism 52, the first support plate 53, steel
Roll dies 54, first gear 55, chain 56, the second motor 57, second gear 58, pedestal 59, scraper plate 510.
Specific embodiment
Clear to be more clear technical solution of the present invention, the present invention is described further with reference to the accompanying drawing,
The technical characteristic of any pair of technical solution of the present invention carries out the scheme that equivalencing is obtained with conventional reasoning and each falls within guarantor of the present invention
Protect range.
Embodiment one
Shielded layer is respectively coated in the upper and lower surfaces of base in a kind of irradiation station shielding material, including base 7；
The constituent of shielded layer is as follows according to parts by weight:
100 parts of liquid nitrile rubber, 10 parts of ethylene propylene diene rubber, 2 parts of silica 1,8 parts of methyl-silicone oil, 4 parts of white carbon black, stone
Black 2 parts, 2 parts of boron powder, 2 parts of borax, 2 parts of boron nitride, 2 parts of boron carbide, 3 parts of lead powder, 3 parts of iron powder, 3 parts of nickel powder.
Further, the preparation method of above-mentioned irradiation station shielding material, its step are as follows:
(1) after the constituent of each shielded layer being kneaded by above-mentioned parts by weight obtain shielded layer glue；
(2) shielded layer glue is coated in the upper and lower surfaces of base by coating apparatus, obtaining a layer thickness is
The first screen layer of 0.5-1mm；
(3) after drying first screen layer, shielded layer glue is continued to be coated in first screen layer upper and lower surfaces, is obtained
The secondary shielding layer for being 1-1.5mm to a layer thickness, drying winding.
Further, base is the lead foil of thickness 0.1-0.3mm.
As shown, coating apparatus includes feed roller 1, the coating heating tooling 4, second of tooling 3, first of material receiving roller 2, first
Coat tooling 5 and the second heating tooling 6；
First coating tooling and the second coating tooling include impregnation pond 31, and the left side wall in impregnation pond is equipped with first chamber 32,
The right side wall in impregnation pond is equipped with second chamber 33, and first chamber and second chamber pass through first through hole 34 and impregnation pond respectively
It is connected, the bottom in impregnation pond is equipped with heater 35；
Vertical in first chamber to be rotatably equipped with first rotating shaft 36, first rotating shaft is equipped with multiple rotating vanes 37, first chamber
Top be equipped with third chamber 38, the setting upwardly extended at the top of first rotating shaft in third chamber, and be fixed on the
The output shaft of first motor 39 in three chambers is connected；
The second upper chamber and the second lower chambers are separated by first partition 310 in second chamber, the is equipped in the second upper chamber
One aerofoil fan 311, the second lower chambers are equipped with the second aerofoil fan 312, the rotation of the first aerofoil fan and the second aerofoil fan
It is contrary；
A cover board 316 is connected and fixed on impregnation pond, cover board is equipped with first charging aperture 313 and the first discharge port 314；
It is horizontal in impregnation pond to set there are two the first reversing roller 315, shielded layer glue is equipped in impregnation pond；
Heater carries out heating and thermal insulation to the shielded layer glue in impregnation pond, and each component in first chamber and second chamber makes to shield
It covers layer glue and is in flow regime, it is ensured that coating effect；
First heating tooling and the second heating tooling include heated shell 41, and the left side of heated shell is equipped with second charging aperture
42, the right side of heated shell is equipped with the second discharge port 43；
The first heating mechanism 44, drying mechanism 45 and the second heating mechanism 46 are successively arranged in heated shell from left to right；
First heating mechanism and the second heating mechanism include the heating component of upper and lower mirror settings；
The heating component being located above includes heating chamber 47, is equipped with the second demarcation plate 48, the top of the second demarcation plate in heating chamber
Equipped with electric heating tube 49, the second demarcation plate is equipped with multiple first ventilation ducts 410, and the top of the first ventilation duct is horn mouth knot
The bottom of structure, the first ventilation shaft is connected by bellows 411 with the top of the second ventilation shaft 412, the second ventilation shaft
It is fixed in shaft 413, the shaft of cylindrical structure is spindle rotationally arranged in the inserting groove of heating chamber bottom, and second is logical
The bottom of air piping passes through the lower section that inserting groove is located at heating chamber, and the bottom of the second ventilation shaft is arranged a lantern ring 414, adjacent
Two lantern rings between fix a first connecting rod 415, positioned at the leftmost side lantern ring be equipped with second connecting rod 416, second connecting rod
It is fixedly connected with electric pushrod 417, electric pushrod is fixed by the bracket in the bottom of heating chamber；
Electric pushrod pushes second connecting rod to move horizontally, so that second channel tunnel synchronization be made to be swung；
Heated shell is equipped with the blast pipe 418 being connected with heating chamber, and blast pipe is connected with blower, and blast pipe passes through blower
Air is passed through into heating chamber, air is blown out after electric heater for heating from the second ventilation shaft；
Drying mechanism includes drying fixed plate 419, and drying fixed plate is fixed on the push rod of cylinder 420, and cylinder is fixed on heating
The top of shell, the bottom for drying fixed plate are equipped with multiple ultraviolet lamps 421；
Feed roller, the first coating tooling, the first heating tooling, the second coating tooling, second heat tooling and material receiving roller from left-hand
The right side is set gradually；
Second reversing roller 8 is respectively equipped with above the first charging aperture of first coating tooling and the first discharge port and third is changed
To roller 9, the 4th reversing roller 10 and the are respectively equipped with above the first charging aperture of the second coating tooling and the first discharge port
Five reversing rollers 11；
The base set is rolled up on feed roller and enters the first coating tooling from first charging aperture after the commutation of the second reversing roller, is changed through first
To after roller reversing roller winding, is come out from the first discharge port and enter the first heater through second charging aperture after the commutation of third reversing roller
Dress；
After base comes out from the second discharge port of the first heating tooling, enter the from first charging aperture after the commutation of the 4th reversing roller
Two coating toolings come out after the commutation of the 5th reversing roller from the first discharge port through second after the first reversing roller reversing roller winding
Feed inlet enters the second heating tooling；
After the second discharge port that tooling heats from second in base comes out, wound by material receiving roller.
Further, first coating tooling first charging aperture top be equipped with cleaning mechanism 51, first coating tooling and
The lower section of first discharge port of the second coating tooling is equipped with frictioning mechanism 52；
Cleaning mechanism includes cleaning assemblies of the mirror settings at left and right sides of base, and cleaning assemblies includes tilt upward setting
One support plate 53, the top of the first support plate are rotatably equipped with steel wire roller 54, and the shaft of steel wire roller is equipped with first gear 55,
First gear is connected by chain 56 with the second gear 58 being fixed on the second motor 57, and steel wire roller passes through the second motor band
Turn is dynamic, and the rotation direction of steel wire roller and the moving direction of base are opposite；
Cleaning mechanism for clearing up the attachment in base before coating；
Frictioning mechanism includes frictioning component of the mirror settings at left and right sides of base, and frictioning component includes pedestal 59, pedestal updip
Obliquely be equipped with scraper plate 510；
Scraper plate guarantees the thickness of shielded layer for striking off extra glue.
Further, first connecting rod, second connecting rod are horizontally disposed, are arranged one on first connecting rod and second connecting rod respectively
Stop collar 426, stop collar are fixed on the bottom of heating chamber.
Further, the application method of coating apparatus are as follows:
(1) base that sets is rolled up on feed roller and enters the first coating tooling from first charging aperture after the commutation of the second reversing roller, through the
It after one reversing roller reversing roller winding, is come out from the first discharge port, in the process, shielded layer glue is coated in the upper surface of base
On lower surface, the first screen layer that a layer thickness is 0.5-1mm is obtained；
(2) base for having coated first screen layer enters the first heating tooling through second charging aperture after the commutation of third reversing roller,
Successively after the heating of the first heating mechanism, the solidification of drying mechanism ultraviolet light and the heating of the second heating mechanism, natural cooling is carried out,
Make first screen layer curing molding, in the process, the heating temperature of the first heating mechanism is greater than the heating of the second heating mechanism
Temperature；
(3) base from first heating tooling the second discharge port come out after, through the 4th reversing roller commutation after from first charging aperture into
Enter the second coating tooling, after the first reversing roller reversing roller winding, is come out from the first discharge port, in the process, shielded layer glue
Liquid continues to be coated in first screen layer upper and lower surfaces, obtains the secondary shielding layer that a layer thickness is 1-1.5mm；
(4) base for having coated secondary shielding layer enters the second heating tooling through second charging aperture after the commutation of the 5th reversing roller,
Successively after the heating of the first heating mechanism, the solidification of drying mechanism ultraviolet light and the heating of the second heating mechanism, make secondary shielding layer
Curing molding is wound after carrying out natural cooling by material receiving roller, and in the process, the heating temperature of the first heating mechanism is greater than
The heating temperature of second heating mechanism.
Embodiment two
With a kind of irradiation station shielding material described in embodiment one, the difference is that:
The constituent of shielded layer is as follows according to parts by weight:
80 parts of liquid nitrile rubber, 8 parts of ethylene propylene diene rubber, 0 part of silica 1,5 parts of methyl-silicone oil, 3 parts of white carbon black, graphite 1
Part, 1 part of boron powder, 1 part of borax, 1 part of boron nitride, 1 part of boron carbide, 2 parts of lead powder, 2 parts of iron powder, 2 parts of nickel powder.
Further, base is the aluminium foil of thickness 0.05-0.3mm.
Embodiment three
With a kind of irradiation station shielding material described in embodiment one, the difference is that:
The constituent of shielded layer is as follows according to parts by weight:
120 parts of liquid nitrile rubber, 12 parts of ethylene propylene diene rubber, 5 parts of silica 1,10 parts of methyl-silicone oil, 6 parts of white carbon black, stone
Black 3 parts, 3 parts of boron powder, 3 parts of borax, 3 parts of boron nitride, 3 parts of boron carbide, 5 parts of lead powder, 5 parts of iron powder, 5 parts of nickel powder.
Further, base is non-woven fabrics fabric.
Claims (6)
1. a kind of irradiation station shielding material, it is characterized in that, screen is respectively coated in the upper and lower surfaces of base in including base
Cover layer；
The constituent of shielded layer is as follows according to parts by weight:
It is 80-120 parts of liquid nitrile rubber, 8-12 parts of ethylene propylene diene rubber, 0-15 parts of silica 1,5-10 parts of methyl-silicone oil, white
3-6 parts of carbon black, 1-3 parts of graphite, 1-3 parts of boron powder, 1-3 parts of borax, 1-3 parts of boron nitride, 1-3 parts of boron carbide, 2-5 parts of lead powder, iron
2-5 parts of powder, 2-5 parts of nickel powder.
2. a kind of irradiation station shielding material as described in claim 1, it is characterized in that, the step of preparation method, is as follows:
(1) after the constituent of each shielded layer being kneaded by above-mentioned parts by weight obtain shielded layer glue；
(2) shielded layer glue is coated in the upper and lower surfaces of base by coating apparatus, obtaining a layer thickness is
The first screen layer of 0.5-1mm；
(3) after drying first screen layer, shielded layer glue is continued to be coated in first screen layer upper and lower surfaces, is obtained
The secondary shielding layer for being 1-1.5mm to a layer thickness, drying winding.
3. a kind of irradiation station shielding material as described in claim 1, it is characterized in that, base is lead foil, aluminium foil or non-woven fabrics
One of fabric.
4. a kind of irradiation station shielding material as claimed in claim 2, it is characterized in that, coating apparatus includes feed roller, rewinding
Roller, the first coating tooling, the first heating tooling, the second coating tooling and the second heating tooling；
First coating tooling and the second coating tooling include impregnation pond, and the left side wall in impregnation pond is equipped with first chamber, impregnation
The right side wall in pond is equipped with second chamber, and first chamber and second chamber are connected by first through hole with impregnation pond respectively,
The bottom in impregnation pond is equipped with heater；
Vertical in first chamber to be rotatably equipped with first rotating shaft, first rotating shaft is equipped with multiple rotating vanes, the top of first chamber
Portion is equipped with third chamber, the setting upwardly extended at the top of first rotating shaft in third chamber, and be fixed on third chamber
In the output shaft of first motor be connected；
The second upper chamber and the second lower chambers are separated by first partition in second chamber, are equipped with first axle in the second upper chamber
Flow fan, the second lower chambers are equipped with the second aerofoil fan, and the rotation direction of the first aerofoil fan and the second aerofoil fan is opposite；
A cover board is connected and fixed on impregnation pond, cover board is equipped with first charging aperture and the first discharge port；
It is horizontal in impregnation pond to set there are two the first reversing roller, shielded layer glue is equipped in impregnation pond；
First heating tooling and the second heating tooling include heated shell, and the left side of heated shell is equipped with second charging aperture, adds
The right side of hot shell is equipped with the second discharge port；
The first heating mechanism, drying mechanism and the second heating mechanism are successively arranged in heated shell from left to right；
First heating mechanism and the second heating mechanism include the heating component of upper and lower mirror settings；
The heating component being located above includes heating chamber, is equipped with the second demarcation plate in heating chamber, the top of the second demarcation plate is equipped with
Electric heating tube, the second demarcation plate are equipped with multiple first ventilation ducts, and the top of the first ventilation duct is bell-mouth structure of air, the first ventilation
The bottom of pipeline at the top of bellows and the second ventilation shaft by being connected, and the second ventilation shaft is fixed in shaft, cylinder
The shaft of body structure is spindle rotationally arranged in the inserting groove of heating chamber bottom, and the bottom of the second ventilation shaft passes through grafting
For slot position in the lower section of heating chamber, the bottom of the second ventilation shaft is arranged a lantern ring, fixes one between two adjacent lantern rings
First connecting rod, the lantern ring positioned at the leftmost side are equipped with second connecting rod, and second connecting rod is fixedly connected with electric pushrod, and electric pushrod is logical
Cross the bottom that bracket is fixed on heating chamber；
Electric pushrod pushes second connecting rod to move horizontally, so that second channel tunnel synchronization be made to be swung；
Heated shell is equipped with the blast pipe that is connected with heating chamber, and blast pipe is connected with blower, blast pipe pass through blower to
Air is passed through in heating chamber, air is blown out after electric heater for heating from the second ventilation shaft；
Drying mechanism includes drying fixed plate, and drying fixed plate is fixed on the push rod of cylinder, and cylinder is fixed on heated shell
Top, the bottom for drying fixed plate are equipped with multiple ultraviolet lamps；
Feed roller, the first coating tooling, the first heating tooling, the second coating tooling, second heat tooling and material receiving roller from left-hand
The right side is set gradually；
Second reversing roller is respectively equipped with above the first charging aperture of first coating tooling and the first discharge port and third is changed
To roller, the 4th reversing roller and the 5th is respectively equipped with above the first charging aperture of the second coating tooling and the first discharge port and is changed
To roller；
The base set is rolled up on feed roller and enters the first coating tooling from first charging aperture after the commutation of the second reversing roller, is changed through first
To after roller reversing roller winding, is come out from the first discharge port and enter the first heater through second charging aperture after the commutation of third reversing roller
Dress；
After base comes out from the second discharge port of the first heating tooling, enter the from first charging aperture after the commutation of the 4th reversing roller
Two coating toolings come out after the commutation of the 5th reversing roller from the first discharge port through second after the first reversing roller reversing roller winding
Feed inlet enters the second heating tooling；
After the second discharge port that tooling heats from second in base comes out, wound by material receiving roller.
5. a kind of irradiation station shielding material as claimed in claim 4, it is characterized in that, the first charging aperture of the first coating tooling
Top be equipped with cleaning mechanism, first coating tooling and second coating tooling the first discharge port lower section be equipped with frictioning mechanism；
Cleaning mechanism includes cleaning assemblies of the mirror settings at left and right sides of base, and cleaning assemblies includes tilt upward setting
One support plate, the top of the first support plate are rotatably equipped with steel wire roller, and the shaft of steel wire roller is equipped with first gear, the first tooth
Wheel is connected by chain with the second gear being fixed on the second motor, and steel wire roller drives rotation, steel wire by the second motor
The rotation direction of roller and the moving direction of base are opposite；
Frictioning mechanism includes frictioning component of the mirror settings at left and right sides of base, and frictioning component includes pedestal, is tilted on pedestal
Downward is equipped with scraper plate.
6. a kind of irradiation station shielding material as claimed in claim 4, it is characterized in that, first connecting rod, second connecting rod are horizontal
It is arranged, is arranged a stop collar respectively on first connecting rod and second connecting rod, stop collar is fixed on the bottom of heating chamber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811144487.5A CN109535504A (en) | 2018-09-29 | 2018-09-29 | A kind of irradiation station shielding material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811144487.5A CN109535504A (en) | 2018-09-29 | 2018-09-29 | A kind of irradiation station shielding material and preparation method thereof |
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| CN109535504A true CN109535504A (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811144487.5A Pending CN109535504A (en) | 2018-09-29 | 2018-09-29 | A kind of irradiation station shielding material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115635693A (en) * | 2022-11-08 | 2023-01-24 | 杭州星点包装材料有限公司 | Production process of composite film for medicine packaging |
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| CN106317787A (en) * | 2016-09-13 | 2017-01-11 | 北京市射线应用研究中心 | High-temperature-resistant epoxy resin-based neutron and gamma-ray shielding composite material and preparation method thereof |
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| CN107118449A (en) * | 2017-06-27 | 2017-09-01 | 苏州菱慧电子科技有限公司 | A kind of elastomeric material of resistance to nuclear radiation |
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| CN103137228A (en) * | 2013-03-06 | 2013-06-05 | 魏昭荣 | Flexible composite material capable of shielding nuclear radiation |
| CN106317787A (en) * | 2016-09-13 | 2017-01-11 | 北京市射线应用研究中心 | High-temperature-resistant epoxy resin-based neutron and gamma-ray shielding composite material and preparation method thereof |
| CN106566013A (en) * | 2016-11-10 | 2017-04-19 | 哈尔滨汉盾辐射防护技术开发有限公司 | Anti-X, gamma ray and neutron radiation shielding material and preparation method thereof |
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Application publication date: 20190329 |