CN208767034U - Radiation protection brick and its radiation protection wall - Google Patents
Radiation protection brick and its radiation protection wall Download PDFInfo
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- CN208767034U CN208767034U CN201721373511.3U CN201721373511U CN208767034U CN 208767034 U CN208767034 U CN 208767034U CN 201721373511 U CN201721373511 U CN 201721373511U CN 208767034 U CN208767034 U CN 208767034U
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Abstract
The utility model belongs to radiation protection technical field, discloses a kind of radiation protection brick, and making material includes ray protection material and curing agent；Including brick body, brick body has there are four side surface, bulge-structure and groove structure through side surface length direction is respectively equipped on any two opposite side surfaces, the bulge-structure and groove structure are arranged in parallel and can be mutually twisted.The radiation protection brick of the utility model carries out radiation protection in the form of brick body, has overturned traditional use radiation shielding material and paint or using large-scale shielding protection plate design operation to wall；Close structure design is mutually twisted using sine curve, prevent ray etc. through the gap of brick and brick junction, make to form seamless interfacing between brick body, the thickness of radiation protection brick or the quantity of bulge-structure are adjusted according to requirement of shelter, to promote integral protection performance, protective brick intensity is high, ensure that the effect of the full protection ray of protection wall made of the radiation protection brick.
Description
Technical field
The utility model relates to radiation protection technical fields, and in particular, to a kind of radiation protection brick radiation protection wall.
Background technique
As radioactive ray are widely applied in fields such as health care, defence and military, scientific research, industry, agriculturals, especially X is penetrated
Line becomes people using most ionising radiations, and radiotechnology brings huge economic interests to society, but then,
Since its energy is high, penetration power is strong, there is different degrees of detrimental effect to human physiological functions, therewith bring radiation definition
Known by general public, therefore carries out radiation protection engineering and be even more important.
Traditional X-ray protection material is lead, but lead is toxic, and mechanical performance is bad, and geometric dimension is unstable, variable
Shape, sagging and not shockproof, time long easy creep, therefore lead cannot individually construct, it is necessary to there is clamping material to be made, and lead ratio weight
Greatly, resource is opposite lacks, and use cost is high and operational procedure is complicated.
The prior art to needing the wall of shielding space to be painted generally by achieving the purpose that shield ray, painting
Material carries out being mixed into cement shape using blanc fixe and curing agent etc., then cement shape ray protection material is painted to wall
On, but the usual thickness of this wall plastering is not achieved, and shield effectiveness is general, and paints wall and be easy cracking, forms escaping for X-ray
Furthermore ease space may also result in decorative cover cracking, influence beauty, therefore paints wall and need very big maintenance cost.
Also occur X-ray shield protective plates in the prior art, but plate specification is with strong points, can not quantify
Production, and production process is complicated, need to carry out being mixed to prepare required answer using a variety of screeners, a variety of binders and other materials
Plywood material, such as there is one kind to be added by silica flour, zinc powder, sulphate aluminium cement, barium sulfate raw material through complicated procedures of forming in the prior art
Plate made of work, it is light-weight, absorb X-ray effect it is good, but sulphate aluminium cement be a kind of special cement, raw material sources by
Limit, high production cost, secondly to make to be easy to produce bubble in the production process, so that there is hole, in raw material inside plate
Middle addition zinc powder, to achieve the effect that heat preservation and soundproof and lightweight, but this technical process control difficulty is big, it is difficult to be met
The shielding protection plate of comprehensive shield effectiveness.
The X-ray shield board quality of the prior art is heavier simultaneously, and intensity is not high, and geometric dimension is unstable, is easily deformed,
It is lower to the shielding properties of ray, and complicated construction technique, the barium sulfate painting 10mm of the general prior art are equivalent to 0.8 and arrive
0.9 lead equivalent, barium sulfate protective plate effect is also similar, but their thickness can not accomplish it is too thick and easily broken, it is bad to remove
Fortune construction, large labor intensity when in-site installation have larger demand to installation space etc., cannot achieve Fast Installation and later period dimension
Shield.
Summary of the invention
It is a kind of with multiple the technical problem to be solved by the present invention is in view of the above-mentioned defects in the prior art, provide
Shield level, shield gasket performance it is good, it is versatile and can modularized production radiation protection brick.
The utility model also provides a kind of radiation protection wall built using the radiation protection brick heap simultaneously.
The purpose of this utility model is achieved by the following technical programs:
A kind of radiation protection brick, including brick body, brick body have there are four side surface, on any two opposite side surfaces
It is respectively equipped with the bulge-structure and groove structure through side surface length direction, the bulge-structure and groove structure are arranged in parallel
And it can be mutually twisted.
Bulge-structure on each side surface can be the same or different.
For the integral protection characteristic for promoting radiation protection brick, two bulge-structures extend to intersection, two groove structures
Intersection is extended to, to ensure that multiple radiation protection bricks are being mutually twisted between process relief structure and groove structure without straight-through seam
Gap avoids ray from penetrating other than escaping slot to shielding space.
Specifically, two surfaces of the residue of the radiation protection brick can be arbitrarily arranged, it is preferable that it is set as flat surface,
So as to the radiation protection brick close to have shielding demand space wall or metallic framework discharged when, can be bonded wall or
Metallic framework setting；Being set as flat surface also saves processing step simultaneously, without excessively considering the design of the plane.
Specifically, the setting of the bulge-structure and groove structure is on the one hand to radiation protection brick and radiation protection brick
When in conjunction with connection, bulge-structure and groove structure energy falcon are connect closely, make stable connection between radiation protection brick；On the other hand, convex
It plays structure to be mutually twisted with groove structure, realizes the seamless interfacing between radiation protection brick, screening is played to penetrating for ray
Gear effect makes ray that can not penetrate the junction of radiation protection brick and radiation protection brick, is equivalent to and sets between radiation protection brick
Barrier has been set, comprehensive barrier is played the role of.
Further, width direction of the bulge-structure on place surface is equipped at least one.
Specifically, can according to the actual condition of the radiation protection brick customize brick body thickness, when the transmitted intensity compared with
When big, the thickness of the radiation protection brick also answer it is more relatively thick, for enhance shield effectiveness, bulge-structure surface where it
Width direction can be set it is multiple.
For the complexity for reducing manufacture craft, it is preferable that the bulge-structure is set as 1~2, further preferably
Ground is set as 2, and when needing to further increase the thickness of the radiation protection brick, it is folded that two layers of radiation protection brick can also be used
Calais achievees the purpose that thicken.
Specifically, the groove structure on the radiation protection brick is determined with the quantity of bulge-structure.
Further, the bulge-structure is sinusoidal configuration in the cross section in place face width direction.
Further, the design formula of the sinusoidal configuration is X=325t-81.25；Y=10sin(5t × 360-
180), t is brick body thickness, and the Wave crest and wave trough position of bulge-structure is determined according to the thickness of radiation protection brick.
Specifically, the setting of the sinusoidal configuration of above-mentioned determining formula has standardized the radiation protection brick bulge-structure
With the shape of groove structure, it is determined that the wave crest of sinusoidal configuration, wave trough position enhance aesthetics, while enhancing institute
State the versatility of radiation protection brick, the bulge-structure and groove structure of any two pieces of radiation protection bricks can arbitrarily arrange in pairs or groups occlusion.
The ray protection material of radiation protection brick is blanc fixe or borax or metal powder, is prevented by curing agent and ray
Protective material is mixed to prepare radiation protection brick, and the content of ray protection material and curing agent than being 3~5:1 based on parts by weight.
Specifically, shielding protection is carried out for X or gamma-rays, ray protection material has absorption X using blanc fixe etc.
Or gamma-rays function or the salt compounds for making X or energy of γ ray decay, each metalloid can also be used, because blanc fixe is insoluble
In water and acid, chemical property is stablized, and nonmagnetic toxicity, relative low price becomes the first choice of the ray protection material.
When carrying out shielding protection for neutron ray, borax is then can be used in ray protection material, in short, radiation protection material
Expect that the ray type protected according to specific needs carries out unrestricted choice.
Specifically, the powder diameter of ray protection material is 310~340 mesh, it is therefore preferable to 325 mesh.
Because different ray penetration powers is different, such as gamma-rays penetration power is stronger than X-ray, therefore the radiation protection brick is answered
Thickness design is carried out according to the ray type that need to be shielded, generally, gamma-rays protective brick should be thick with respect to X-ray protection brick.
It further, is to reach a relative equilibrium between radiation protection effect and ray protection material usage amount
The use ratio of state, the ray protection material and curing agent is 4:1, and the radiation protection brick made under the ratio situation can be
The alpha ray shield effect being optimal under lower cost conditions.
Further, the curing agent can be suitable for and the ray protection material for organic binder or inorganic binder etc.
Mixed binder, preferably selects the cement of extraordinary label, which can form good melt with ray protection material powder
Conjunction state makes radiation protection brick obtained have better shielding properties.
Further, the making material of radiation protection brick further includes polymer thermal insulative material, and radiation protection brick can be made to have
There is good heat insulation function, when it is under temperature constant state, the heat that can completely cut off inside and outside brick body is exchanged.
Radiation protection brick described in the utility model is in radiation protections such as health care, defence and military, scientific research, industry, agriculturals
In engineering, there is excellent application especially in terms of medicine and hygiene fields X or gamma-rays or neutron ray alpha ray shield, such as make
For the radiation proof material of the X-rays line Medical Devices protection works such as hospital CT, DR, tooth piece machine, DSA operating room.
A kind of radiation protection wall, the radiation protection brick are applied in practical protection process, are by muti-piece radiation protection brick
Bulge-structure and groove structure occlusion be allowed to combine closely as protecting wall, by the protecting wall close to the sky for having shielding demand
Between wall or keel shoe at install, protecting wall stack height depending on construction drawing requirement.
In the protecting wall, any one piece of radiation protection brick is stung by bulge-structure and groove structure up and down
It closes, really realizes seamless connection, avoid ray penetrates escape.
The protecting wall can prevent ray to be pierced by the passing crowd injured by radiation chamber outside wall as protective layer, while really
Medical staff is protected not by the damage of ray.
Compared with prior art, the utility model has the following beneficial effects:
Radiation protection is carried out in the form of the materials such as ray protection material and curing agent are prepared into protective brick, is overturned
Traditional paint or using large-scale shielding protection plate design operation to wall using radiation shielding material.
Specifically, replace traditional blanc fixe to whitewash a wall in the form of protective brick, avoid the painted painting of barium sulfate
The problem of shield effectiveness difference caused by metope is easy to crack, at the same it is also avoidable with of the remote past or wall plastering epidermis when colliding with
The problem of falling reduces metope and does over again risk and maintenance cost；
The radiation protection brick of the utility model is mutually twisted close structure design using sine curve, prevents ray etc. saturating
The gap for crossing brick Yu brick junction makes to form seamless interfacing between brick body, and the thickness of radiation protection brick is adjusted according to requirement of shelter
Or the quantity of bulge-structure ensure that the complete of protection wall made of the radiation protection brick to promote integral protection performance
The effect of face protection ray；
By the addition polymer thermal insulative material in radiation protection brick, make radiation protection brick that there is heat insulation function, it can be effective
The generation for the radiation protection outer temperature exchange within the walls for avoiding radiation protection brick from being formed, is equivalent to and is arranged within the walls in radiation protection
The barrier of one layer of equilibrium temperature；
Radiation protection brick light weight described in the utility model, intensity are high, small in size, and structure is simple, it is versatile, it can be achieved that
Modularized production and construction, duration greatly shorten, and construction technology is simple, and construction site environment is greatly improved, and are much better than biography
The Large sulfuric acid barium protective plate of system；
It protects intensity big, can be equivalent in the utility model using the barium sulfate protective brick 40mm thickness of blanc fixe production
The protection equivalent of 3mmpb stereotype.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of radiation protection brick described in embodiment 1；
Fig. 2 is the cross-sectional structure schematic diagram of radiation protection brick described in embodiment 1；
Fig. 3 is the structural schematic diagram of radiation protection brick described in embodiment 2；
Fig. 4 is the structural schematic diagram of radiation protection brick described in embodiment 3；
Fig. 5 is the structural schematic diagram for the protection wall that the radiation protection brick is built.
Specific embodiment
The utility model is further described With reference to embodiment, wherein being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
As shown in Fig. 1~2, a kind of radiation protection brick 1 is made of materials such as ray ray protective materials and curing agent,
Including brick body, brick body has there are four side surface, is respectively equipped on any two opposite side surfaces through side surface length direction
Bulge-structure and groove structure, bulge-structure and groove structure are arranged in parallel and can be mutually twisted.
In four side surfaces, two side surfaces equipped with bulge-structure are adjacent surface, two sides equipped with groove structure
Surface is also adjacent surface.
For the integral protection characteristic for promoting radiation protection brick, two bulge-structures extend to intersection, two groove structures
Intersection is extended to, to ensure that multiple radiation protection bricks are being mutually twisted between process relief structure and groove structure without straight-through seam
Gap avoids ray from penetrating other than escaping slot to shielding space.
Specifically, the adjacent surface that brick body is equipped with bulge-structure is specially surface 11 and surface 21, convex on surface 11
Playing structure is 111, and the bulge-structure on surface 21 is 211；The adjacent surface that brick body is equipped with groove structure is respectively surface 31
With surface 41, the groove structure on surface 31 is 311, and the groove structure on surface 41 is 411.
Brick body also has a surface 51 and surface 61, and the surface on surface 51 and surface 61 can be arbitrarily arranged, and sets in the present embodiment
It is set to flat surface, it, can when the wall or metallic framework so as to radiation protection brick 1 close to the space for having shielding demand are discharged
It is bonded wall or metallic framework setting；Being set as flat surface also saves processing step simultaneously, without excessively considering the plane
Design.
When the setting of bulge-structure and groove structure is on the one hand to radiation protection brick and connects in conjunction with radiation protection brick,
Bulge-structure and groove structure energy falcon connect closely, make stable connection between radiation protection brick；On the other hand, bulge-structure and groove
Structure is mutually twisted, and realizes the seamless interfacing between radiation protection brick, is played the role of blocking to penetrating for ray, is made ray
The junction that radiation protection brick and radiation protection brick can not be penetrated, is equivalent between radiation protection brick and is provided with barrier, play
The effect of comprehensive barrier.
The thickness that protective brick can be customized according to the practical application operating condition of radiation protection brick 1, when transmitted intensity is larger, ray
The thickness of protective brick 1 is also answered more relatively thick.
Width direction of the present embodiment relief structure on place surface is only arranged one, the groove on radiation protection brick 1
Number of structures is determined with the quantity of bulge-structure.
Specifically, bulge-structure 111 is sinusoidal configuration in 11 width direction cross section of surface, and bulge-structure 211 exists
21 width direction cross section of surface is sinusoidal configuration.
The specific design formula of sinusoidal configuration is X=325t-81.25；Y=10sin(5t × 360-180), t is brick body
Thickness has standardized sinusoidal configuration in this way, which the Wave crest and wave trough position of bulge-structure is determined according to the thickness of radiation protection brick
Peak position, that is, determined sinusoidal configuration profile trend, on the one hand enhance the aesthetics of radiation protection brick 1, separately
On the one hand the connective stability of radiation protection brick 1 is enhanced, the bulge-structure and groove structure of any two pieces of radiation protection bricks are equal
Can arbitrarily be arranged in pairs or groups occlusion.
The ray protection material of radiation protection brick is blanc fixe or borax or metal powder, is prevented by curing agent and ray
Protective material is mixed to prepare radiation protection brick, and the present embodiment is protected mainly for X or gamma-rays, and it is sulfuric acid that ray protection material, which is selected,
Barium powder, blanc fixe is not soluble in water and sour, and chemical property is stablized, nonmagnetic toxicity, and relative low price becomes radiation shield
The first choice covered, the making material of radiation protection brick further include curing agent, make blanc fixe and other phases by the addition of curing agent
Close material mixing molding bonded.
The powder diameter of blanc fixe selects 325 mesh.
The component content of blanc fixe and curing agent is blanc fixe based on parts by weight: curing agent=4:1 can make to shield
Effect and ray protection material usage amount reach the state of a relative equilibrium, the radiation protection brick energy made under the ratio situation
The X or gamma ray shielding effect being optimal under lower cost conditions.
Curing agent is special cement, which can form good Fusion Strain with blanc fixe, makes sulfuric acid obtained
Barium brick has better protective shielding performance.
The making material of radiation protection brick is also further added with polymer thermal insulative material, and radiation protection brick can be made to have and protected
Temperature function, general ray irradiation source device are higher to ambient temperature requirements, it is desirable that work, therefore need to prevent under constant temperature conditions
Thermostatic control device, such as air-conditioning are placed in the space of ray irradiation source device, and the outside is at a temperature of natural conditions,
It is easily influenced with generation temperature exchange etc. in space, the radiation protection brick with heat insulation function, which can effectively avoid, at this time avoids temperature from handing over
The generation changed is equivalent to the barrier that one layer of equilibrium temperature is provided in space.
The specification of radiation protection brick 1 is 200mm × 100mm × 40mm in the present embodiment.
Embodiment 2
As shown in figure 3, the present embodiment is difference from example 1 is that bulge-structure on monolithic radiation protection brick 1
Quantity setting is different, and in particular surface 11 is equipped with 2 bulge-structures 111, and surface 21 is equipped with 2 bulge-structures 211, together
When surface 31 be equipped with 2 groove structures 311, surface 41 be equipped with 2 groove structures 411.
Specifically, the width direction setting on multiple bulge-structures surface where it is in order to enhance shield effectiveness, when convex
Playing structure is two, and can form at least two layers or more of barrier when two pieces of radiation protection bricks are mutually twisted at occlusion prevents ray
It penetrates.
The specification of radiation protection brick 1 is 200mm × 100mm × 50mm in the present embodiment.
Embodiment 3
As shown in figure 4, the present embodiment difference from example 1 is that the shape of bulge-structure and groove structure not
Together, the bulge-structure in the present embodiment is rectangle.
The specification of radiation protection brick 1 is 200mm × 100mm × 30mm in the present embodiment.
Embodiment 4
The present embodiment and embodiment 3 are the difference is that the specification of radiation protection brick is 200mm × 100mm × 40mm.
Embodiment 5
The present embodiment provides a kind of production methods of radiation protection brick, comprising the following steps:
A. ray protection material and curing agent are weighed with the weight ratio of 3~5:1, by ray protection material and curing agent
And other associated materials are placed in blender and are uniformly mixed into semifluid bonding shape, avoid mixing because of raw material uneven
Cause radiation protection function poor；
B. the mold that there is bulge-structure and groove structure to design the injection of configured semi-fluid mixture, passes through vibration
Semi-fluid mixture is compacted, semi-fluid mixture demoulds shaping restocking after forming in a mold, can also be half-and-half in vibration processes
Fluid mixture is exhausted, and making semi-fluid mixture, mould brick surface after molding is smooth in a mold, and surface is avoided to generate
Bubble or shrinkage cavity；
C. the mould brick after restocking is placed under dry environment to be vented to be fully cured and obtains finished product radiation protection brick,
Middle ventilated environment temperature is 25 DEG C~30 DEG C, can rapid curing, curing time under the conditions of the temperature after the molding of radiation protection brick
For 24~48h, to reach optimal hardness, curing time is preferably 48h, by air-drying and solidifying, radiation protection brick for a long time
Hardness, brittleness, shielding protection performance reach optimum state.
To make to reach between radiation protection effect and ray protection material usage amount the state of a relative equilibrium, ray is anti-
The weight of protective material and curing agent is 4:1, and the radiation protection brick made under the ratio situation can be in lower cost item
The alpha ray shield effect being optimal under part.
Embodiment 6
As shown in figure 5, being prevented the present embodiment provides a kind of using such as embodiment 1, embodiment 2 or ray described in embodiment 3
Radiation protection wall 2 made of 1 heap of brick is built is protected, radiation protection wall 2 is to use multiple radiation protection bricks 1 in the horizontal direction and vertical side
It is formed by stacking to occlusion respectively.
For the aesthetics for increasing radiation protection wall 2, the stacked system of radiation protection brick 1 can also carry out the setting in some directions
Transformation, i.e., when the brick body length of radiation protection brick and height are in integral multiple design, radiation protection brick can on radiation protection wall
It can also be arranged in upright in horizontally disposed.
Specifically, the bonding agent of the also fillable tool function of shielding in the mutual junction of radiation protection brick, to greatest extent
Ground prevents ray from penetrating connection gap.
Because of the setting of radiation protection brick bulge-structure and groove structure, radiation protection wall 2 installs the connection side of wall with it
Gap will be present at edge, can be made using floating among filled therewith made of ray protection material and curing agent to gap at this time
Radiation protection wall 2 and installation wall seamless interfacing.
Radiation protection brick 1 in the utility model embodiment can make X-ray energy decaying to reach GBZ 131-2002
The requirement of " medical X-ray treatment public health standard ", to show protection of the radiation protection brick 1 of the utility model to X-ray
Effect, according to the discussion of " X-ray physics " books, the protection that 1 heap of radiation protection brick of 1~embodiment of embodiment 3 is built
Wall 2 has done the test of protective performance, obtains the radiation protection brick, different bulge-structures or different radiation protection materials of different-thickness
Expect to protect equivalent such as table 1 to the stereotype of X-ray:
Table 1
From the above data, the radiation protection brick of the utility model has excellent shielding properties, is provided simultaneously with quality
Gently, intensity is high, small in size, and structure is simple, versatile, it can be achieved that the advantages that modularized production is with constructing, is radiation protection neck
One much progress in domain.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is limitations of the embodiments of the present invention.For those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways.There is no need and unable to give thoroughly all embodiments
It lifts.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should be included in this
Within the protection scope of utility model claims.
Claims (5)
1. a kind of radiation protection brick, including brick body, there are four side surfaces for brick body tool, which is characterized in that arbitrarily opposite two
The bulge-structure and groove structure through side surface length direction, the bulge-structure and groove knot are respectively equipped on a side surface
Structure is arranged in parallel and can be mutually twisted, and the bulge-structure on two adjacent side surfaces extends to intersection, two adjacent side tables
Groove structure on face extends to intersection.
2. radiation protection brick according to claim 1, which is characterized in that include at least two protrusions on each side surface
The bulge-structure of structure or groove structure, the parallel opposite side surface of any two is equal with groove structure quantity, and can be mutually
Occlusion.
3. according to claim 1 to any one of 2 radiation protection bricks, which is characterized in that the cross section of the bulge-structure is
Rectangular configuration.
4. according to claim 1 to any one of 2 radiation protection bricks, which is characterized in that the cross section of the bulge-structure is
Rectangular configuration.
5. a kind of radiation protection wall, which is characterized in that use multiple radiation protection bricks as described in claim 1-4 any one
It is built by the heap that is mutually twisted of bulge-structure and groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721373511.3U CN208767034U (en) | 2017-10-20 | 2017-10-20 | Radiation protection brick and its radiation protection wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721373511.3U CN208767034U (en) | 2017-10-20 | 2017-10-20 | Radiation protection brick and its radiation protection wall |
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| Publication Number | Publication Date |
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| CN208767034U true CN208767034U (en) | 2019-04-19 |
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ID=66124381
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| CN201721373511.3U Active CN208767034U (en) | 2017-10-20 | 2017-10-20 | Radiation protection brick and its radiation protection wall |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919177A (en) * | 2017-10-20 | 2018-04-17 | 株洲合力电磁技术有限公司 | Radiation protection brick and preparation method thereof and radiation protection wall and its application |
| CN112895438A (en) * | 2021-01-27 | 2021-06-04 | 中国核动力研究设计院 | Method and device for manufacturing radiation shield |
| RU219191U1 (en) * | 2023-04-07 | 2023-07-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Московский государственный строительный университет" (НИУ МГСУ) | Radiation-protective building block made of cellular concrete with variable density |
-
2017
- 2017-10-20 CN CN201721373511.3U patent/CN208767034U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919177A (en) * | 2017-10-20 | 2018-04-17 | 株洲合力电磁技术有限公司 | Radiation protection brick and preparation method thereof and radiation protection wall and its application |
| CN112895438A (en) * | 2021-01-27 | 2021-06-04 | 中国核动力研究设计院 | Method and device for manufacturing radiation shield |
| CN112895438B (en) * | 2021-01-27 | 2021-11-23 | 中国核动力研究设计院 | Method and device for manufacturing radiation shield |
| RU219191U1 (en) * | 2023-04-07 | 2023-07-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Московский государственный строительный университет" (НИУ МГСУ) | Radiation-protective building block made of cellular concrete with variable density |
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