CN113090082A - Radiographic inspection laboratory structure and construction method - Google Patents
Radiographic inspection laboratory structure and construction method Download PDFInfo
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- CN113090082A CN113090082A CN202110342749.4A CN202110342749A CN113090082A CN 113090082 A CN113090082 A CN 113090082A CN 202110342749 A CN202110342749 A CN 202110342749A CN 113090082 A CN113090082 A CN 113090082A
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- chamber body
- radiographic inspection
- air shaft
- sliding door
- concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B2001/925—Protection against harmful electro-magnetic or radio-active radiations, e.g. X-rays
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention discloses a radiographic inspection laboratory structure and a construction method, comprising the following steps: an integrally formed chamber body; the top bottom surface of the chamber body, the partition wall and the extension part are integrally cast and molded by using concrete; meanwhile, the air shaft A, the radioactive source shaft and the air shaft B are formed in the chamber body; the concrete is compacted and compacted uniformly, so that the condition of honeycomb caused by the bottom sinking of the aggregate is prevented, and the dry volume weight of the concrete is not more than 2.35g/cm3(ii) a The chamber body, the partition wall and the extension part are integrally cast and formed, so that construction joints are not left on the whole, and the dry volume weight of concrete is controlled to be not more than 2.35g/cm3The whole protective performance of the whole laboratory is better, and the problem of poor protective performance by setting multiple protective doors and arranging the ray radiation detection device for alarming is solved. The plate trailer and the rail are used for conveying a large quantity of objects to be detected, the convenience is good, the detection efficiency is improved,the problem of the efficiency reduction of present test is solved.
Description
Technical Field
The invention relates to a structure and a construction method of a radiographic inspection laboratory, and belongs to the technical field of radiographic inspection laboratories.
Background
In the prior art, a common nondestructive detector can be used in a laboratory or a working place for nondestructive detection, but the detection mode prevents the limitation of instruments, so that the detection efficiency is low, and the nondestructive detection method is not suitable for large-size large-scale detection. The large-scale detection nondestructive testing of large volume is generally carried out in a newly-built flaw detection laboratory, but the nondestructive testing laboratory at the present stage is mostly transformed from a common laboratory, hidden dangers exist in the aspect of structural protection, some specially-built flaw detection laboratories do not consider the protection during civil engineering concrete construction, for example, the X-ray detection laboratory disclosed in the Chinese patent No. 2017202523489 is mainly protected by setting multiple protection doors and arranging a ray radiation detection device for alarming, the protection on a concrete structure is not considered, the excessive gap structure protection performance of the concrete in the laboratory is poor, the convenience of mass testing is not considered, and the efficiency of the testing is reduced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a radiographic inspection laboratory structure and a construction method.
The invention is realized by the following technical scheme.
The invention provides a ray inspection laboratory structure, comprising: the integrated chamber body is internally filled with lead for radiation protection;
the lead-containing radiation-proof sliding door is arranged on one side edge of the chamber body;
the rail is paved from the outside of the chamber body to the inside of the chamber body through the sliding door;
the plate trailer is arranged on the rail and can move in a sliding mode, and the plate trailer is guided by the rail to move from the outside of the chamber body to the inside of the chamber body through the sliding door.
The room body is provided with a partition wall, and a ray-proof door capable of sliding and pushing is installed on the wall of the room body corresponding to the partition wall.
The ozone generator also comprises an air shaft A, a radioactive source well and an air shaft B which are positioned in the chamber body, and the air shaft A and the air shaft B discharge generated ozone.
The air shaft A is positioned at the corner in the chamber body between the anti-ray door and the sliding door, and the top wellhead of the air shaft A is positioned at the lowest position in the chamber body, so that generated ozone is discharged in time; the source well is at the opposite corner of the chamber from the air shaft A.
The air shaft B is positioned at the inner end position of the rail in the chamber body.
The bottom surface of the chamber body is provided with an extension part which extends downwards and is buried in the ground.
The outer wall of the chamber body is provided with a plastering layer, and the surface of the plastering layer is provided with a white coating.
And detection alarm devices for monitoring ray exceeding are arranged on the chamber bodies close to the ray-proof door and the sliding door.
The inner wall of the chamber body is provided with shooting grooves which absorb rays and are distributed in a plurality of rows, a lead body layer is arranged at the rear parts of the shooting grooves, and ray convex mirrors which perform deflection angle and secondary absorption on the rays are arranged in the shooting grooves.
The construction method of the radiographic inspection laboratory structure comprises the following steps:
firstly, pouring concrete on the top bottom surface of the chamber body, the partition wall and the extension part integrally, wherein the thickness of the concrete is more than 600 mm; meanwhile, the air shaft A, the radioactive source shaft and the air shaft B are formed in the chamber body; the extension part extends 500mm into the ground; the concrete is compacted and compacted uniformly, so that the condition of honeycomb caused by the bottom sinking of the aggregate is prevented, and the dry volume weight of the concrete is not more than 2.35g/cm3(ii) a The perpendicularity error between the concrete walls of the chamber body is not more than 4 mm;
secondly, paving a rail from the outside of the chamber body to the inside of the chamber body through a sliding door installation position, wherein the plate trailer is installed on the rail and can move in a sliding manner; installing an anti-ray door and a sliding door on the side wall surface of the room body, wherein gaps are controlled to be less than 8mm when the anti-ray door and the sliding door are closed with the room body; the room bodies close to the ray-proof door and the sliding door are respectively provided with a detection alarm device for monitoring the exceeding of the ray, and the lead density of the sliding door reaches 11.35g/cm3The distance between the sliding door and the wall surface of the chamber body is not more than 10 mm;
thirdly, pasting dark-color non-reflective wall and floor tiles on the inner wall and the ground of the room body, wherein the abrasion resistance is 5t/m2(ii) a Spraying a dark color coating on the inner side of the wall surface of the chamber body, and scraping white on the ceiling of the chamber body;
and step four, plastering the outer wall of the chamber body by mixing cement and sand in a ratio of 1:2 to form a plastering layer, and then spraying white on the plastering layer.
The invention has the beneficial effects that: the chamber body, the partition wall and the extension part are integrally cast and formed, so that construction joints are not left on the whole, and the dry volume weight of concrete is controlled to be not more than 2.35g/cm3The whole protective performance of the whole laboratory is better, and the problem of poor protective performance by setting multiple protective doors and arranging the ray radiation detection device for alarming is solved. The plate trailer and the rail are used for conveying large quantities of objects to be tested, the convenience is good, the detection efficiency is improved, and the problem that the efficiency of the current test is reduced is solved.
Drawings
FIG. 1 is a schematic top cross-sectional view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is a schematic diagram of the structure of the chamber body, the concave reflecting groove and the convex ray reflecting mirror of the invention;
in the figure: 1-a chamber body; 2-a sliding door; 11-partition walls; 12-an extension; 14-shooting a groove; 15-ray convex mirror; 3-ray-proof door; 4-air shaft A; 5-turning the plate; 6-orbit; 7-air shaft B; 8-radioactive source well.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
See fig. 1-2.
The invention relates to a ray inspection laboratory structure, which comprises: the integrated chamber body 1 is formed in an integrated mode, and lead radiation protection is coated in the solid body of the chamber body 1;
the lead-containing radiation-proof sliding door 2 is arranged on one side edge of the chamber body 1 in a sliding manner;
a rail 6, wherein the rail 6 is laid from the outside of the chamber body 1 to the inside of the chamber body 1 through the sliding door 2;
the plate trailer 5 is mounted on the rail 6 to be capable of sliding movement, and the plate trailer 5 moves from the outside of the chamber body 1 to the inside of the chamber body 1 through the sliding door 2 under the guidance of the rail 6.
Because the lead element of the chamber body 1 is integrally poured and formed, excessive construction gaps do not exist on the whole body, the protective performance of the internal space of the chamber body 1 is improved, and during large-batch testing, objects to be tested are placed on the plate trailer 5 and are quickly conveyed into the chamber body 1 through the rail 6, so that the testing convenience is improved, and the testing effect is improved.
The room body 1 is provided with a partition wall 11, the wall of the room body 1 corresponding to the partition wall 11 is provided with a ray-proof door 3 capable of sliding and pushing, and when a small amount of tests are carried out, an object to be tested can enter the ray-proof door 3 behind the partition wall 11, so that the radiation quantity during entering is reduced.
The radioactive source collecting device further comprises an air shaft A4, a radioactive source well 8 and an air shaft B7 which are located in the chamber body 1, wherein the radioactive source well 8 is used for installing and placing a device for obtaining radioactive sources, and ozone generated by the air shaft A4 and the air shaft B7 is discharged to effectively absorb rays in the air so as to clean the rays in the air.
The air shaft A4 is positioned at the corner in the chamber body 1 between the ray-proof door 3 and the sliding door 2, and the top well mouth of the air shaft A4 is positioned at the lowest position in the chamber body 1, so that the generated ozone is discharged in time; the corner in the chamber body 1 opposite to the air shaft A4 of the radioactive source well 8; the ray emitted by the device for absorbing the radioactive source in the radioactive source well 8 by the residual ozone in the air shaft A4 is avoided, and the detection effect is improved.
The air shaft B7 is located at the inner end of the rail 6 in the chamber body 1.
The wall of the chamber body 1 is larger than 600 mm; the depth of the radioactive source well 8 is 1m, and the top of the radioactive source well is flush with the bottom surface of the chamber body 1; the lead equivalent of the anti-ray door 3 is more than 15 mm; the bottom surface of the chamber body 1 is provided with an extension part 12 which extends downwards and is buried in the ground, and the extension size of the extension part 12 is not less than 500 mm.
The outer wall of the chamber body 1 is provided with a plastering layer with the thickness of 25mm, and the plastering layer is formed by mixing cement and sand in a ratio of 1: 2; and a white coating is sprayed on the surface of the plastering layer.
And detection alarm devices for monitoring ray exceeding are arranged on the chamber bodies 1 close to the ray-proof door 3 and the sliding door 2.
The inner wall of the chamber body 1 is provided with shooting grooves 14 which absorb rays and are distributed in a plurality of rows, a lead body layer is arranged behind the shooting grooves 14, a ray convex mirror 15 which performs deflection angle and secondary absorption on the rays is arranged in the shooting grooves 14, the ray convex mirror 15 is a lead body layer convex mirror, the rays enter the lead body layer after reaching the chamber body 1 and the partition wall 11, the rays are absorbed and weakened on the lead body layer, the weakened rays are inwards shot to the ray convex mirror 15 in the shooting grooves 14 to be weakened by secondary absorption, then the rays are scattered to the shooting grooves 14 from the convex mirror of the ray convex mirror 15 to be weakened by secondary absorption, and the rays are prevented from being leaked to the outside from the inside shooting through the chamber body 1.
The construction method of the radiographic inspection laboratory structure comprises the following steps:
firstly, pouring concrete on the top bottom surface of the chamber body 1, the partition wall 11 and the extension part 12 integrally, wherein the thickness of the concrete is more than 600 mm; meanwhile, the air shaft A4, the radioactive source shaft 8 and the air shaft B7 are formed in the chamber body 1; the extension 12 extends into the ground 500mm; the concrete is compacted and compacted uniformly, so that the condition of honeycomb caused by the bottom sinking of the aggregate is prevented, and the dry volume weight of the concrete is not more than 2.35g/cm3(ii) a The verticality error between the concrete walls of the chamber body 1 is not more than 4 mm;
secondly, paving a track 6 from the outside of the chamber body 1 to the inside of the chamber body 1 through the installation position of the sliding door 2, and installing the plate trailer 5 on the track 6 to be capable of sliding; an anti-ray door 3 and a sliding door 2 are arranged on the side wall surface of the room body 1, and gaps are controlled to be less than 8mm when the anti-ray door 3 and the sliding door 2 are closed with the room body 1; the room bodies 1 close to the ray-proof door 3 and the sliding door 2 are both provided with a detection alarm device for monitoring ray exceeding, and the lead density of the sliding door 2 reaches 11.35g/cm3The node and material requirements of the sliding door meet the requirements of the national standard 04J610-1, and the distance between the sliding door 2 and the wall surface of the chamber body 1 is not more than 10 mm;
thirdly, pasting dark-color non-reflective wall and floor tiles on the inner wall and the ground of the chamber body 1, wherein the abrasion resistance is 5t/m2(ii) a Spraying a dark color coating on the inner side of the wall surface of the chamber body 1, and scraping white on the ceiling of the chamber body 1;
and step four, plastering the outer wall of the chamber body 1 by mixing cement and sand in a ratio of 1:2 to form a plastering layer, and then spraying white on the plastering layer.
The chamber body 1, the partition wall 11 and the extension part 12 are integrally cast and formed, so that construction joints are not left on the whole, and the dry volume weight of concrete is controlled to be not more than 2.35g/cm3The whole protective performance of the whole laboratory is better, and the problem of poor protective performance by setting multiple protective doors and arranging the ray radiation detection device for alarming is solved. The plate trailer 5 and the track 6 are used for conveying a large number of objects to be tested, the convenience is good, the detection efficiency is improved, and the problem that the current test efficiency is reduced is solved; the outer wall is treated by adopting a whitewashing process, so that the appearance is attractive and simple.
And meanwhile, the air shaft A4 and the air shaft B7 arranged at the corner between the anti-ray door 3 and the sliding door 2 in the chamber body 1 discharge generated ozone, so that the layout is more scientific and reasonable.
Claims (10)
1. A radiographic inspection laboratory structure, comprising: a chamber body (1);
the sliding door (2), the sliding door (2) is installed on one side edge of the chamber body (1);
the rail (6) is paved from the outside of the chamber body (1) to the inside of the chamber body (1) through the sliding door (2);
the plate trailer (5) is installed on the rail (6) and can move in a sliding mode, and the plate trailer (5) moves from the outside of the chamber body (1) to the inside of the chamber body (1) through the sliding door (2) under the guidance of the rail (6).
2. The radiographic inspection laboratory structure of claim 1, wherein: the room body (1) is provided with a partition wall (11), and the corresponding wall (1) on the partition wall (11) is provided with a ray-proof door (3) capable of sliding and pushing.
3. The radiographic inspection laboratory structure of claim 2, wherein: the ozone generating room further comprises an air shaft A (4), a radioactive source well (8) and an air shaft B (7) which are positioned in the room body (1), and the air shaft A (4) and the air shaft B (7) discharge generated ozone.
4. The radiographic inspection laboratory structure of claim 3, wherein: the wind shaft A (4) is positioned at the corner in the chamber body (1) between the ray-proof door (3) and the sliding door (2), and the top wellhead of the wind shaft A (4) is positioned at the lowest position in the chamber body (1), so that generated ozone is discharged in time.
5. The radiographic inspection laboratory structure of claim 4 wherein: the radioactive source well (8) is arranged at the corner in the chamber body (1) opposite to the air shaft A (4).
6. The radiographic inspection laboratory structure of claim 5, wherein: the air shaft B (7) is positioned at the inner end position of the rail (6) in the chamber body (1).
7. The radiographic inspection laboratory structure of claim 1 or 6, wherein: the bottom surface of the chamber body (1) is provided with an extension part (12) which extends downwards and is buried in the ground.
8. The radiographic inspection laboratory structure of claim 7, wherein: the outer wall of the chamber body (1) is provided with a plastering layer, and the surface of the plastering layer is provided with a white coating; and detection alarm devices for monitoring ray exceeding are arranged on the chamber bodies (1) close to the ray-proof door (3) and the sliding door (2).
9. The radiographic inspection laboratory structure of claim 8, wherein: the radiation projection lens is characterized in that radiation grooves (14) which absorb rays and are distributed in a plurality of rows are formed in the inner wall of the chamber body (1), a lead body layer is arranged behind the radiation grooves (14), a radiation projection lens (15) which performs deflection angle and secondary absorption on the rays is arranged in the radiation grooves (14), and the radiation projection lens (15) is a lead body layer projection lens.
10. A construction method of a radiographic inspection laboratory structure according to any one of claims 1 to 9, characterized by: the method comprises the following steps:
firstly, pouring concrete on the top bottom surface of a chamber body (1), a partition wall (11) and an extension part (12) integrally, forming an air shaft A (4), a radioactive source well (8) and an air shaft B (7) in the chamber body (1), and constructing an absorption and reflection groove (14) and a convex reflector (15) on the inner wall of the chamber body (1); the concrete is compacted and evenly vibrated, and the dry volume weight of the concrete is not more than 2.35g/cm3；
And secondly, paving a track (6) from the outside of the chamber body (1) to the inside of the chamber body (1) through the installation position of the sliding door (2), wherein the plate trailer (5) is installed on the track (6) and can move in a sliding mode.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991476A (en) * | 2022-06-10 | 2022-09-02 | 云南仲都建设工程有限公司 | Construction process for cleaning radiation protection part of operation department |
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| 段震寰等: "雷达发射系统与各种干扰源电磁环境辐射污染防护限值防护要求及安全防护间距的计算", 《电气应用》 * |
| 王厉秦都等: "某X-射线探伤室的屏蔽计算分析", 《环境科学与技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991476A (en) * | 2022-06-10 | 2022-09-02 | 云南仲都建设工程有限公司 | Construction process for cleaning radiation protection part of operation department |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113090082B (en) | 2022-10-21 |
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