CN113090082B - Radiographic inspection laboratory structure and construction method - Google Patents
Radiographic inspection laboratory structure and construction method Download PDFInfo
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- CN113090082B CN113090082B CN202110342749.4A CN202110342749A CN113090082B CN 113090082 B CN113090082 B CN 113090082B CN 202110342749 A CN202110342749 A CN 202110342749A CN 113090082 B CN113090082 B CN 113090082B
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- chamber body
- radiographic inspection
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- ray
- 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 vibrated to be compact and uniform, the condition that the aggregates sink to the bottom and are honeycombed is prevented, and the dry volume weight of the concrete is not more than 2.35g/cm 3 (ii) a The chamber body, the partition wall and the extension part are integrally cast to form a whole without construction joints, and the dry volume weight of concrete is controlled to be not more than 2.35g/cm 3 The 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.
Description
Technical Field
The invention relates to a structure of a radiographic inspection laboratory and a construction method, 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-size large-scale detection nondestructive testing is generally carried out in a newly-built flaw detection laboratory, but the nondestructive testing laboratory at the present stage is mostly formed by transforming 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 concrete construction, for example, the X-ray detection laboratory disclosed in the Chinese patent No. 2017202523489 mainly carries out the protection by arranging multiple protection doors and arranging a ray radiation detection device for alarming, the protection on a concrete structure is not considered, the too much gap structure protection performance of the concrete in the laboratory is poor, meanwhile, the convenience of large-scale testing is not considered, and the testing efficiency 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 laid 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, wherein 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:
the method comprises the following steps of firstly, integrally pouring concrete on the top bottom surface of a chamber body, a partition wall and an extension part, wherein the thickness of the concrete is more than 600mm; 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/cm 3 (ii) a The perpendicularity error between the concrete walls of the chamber body is not more than 4mm;
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; an anti-ray door and a sliding door are arranged on the side wall surface of the room body, and the anti-ray door and the sliding door are controlled by a gap when being closed with the room bodyBelow 8 mm; the room bodies close to the ray-proof door and the sliding door are respectively provided with a detection alarm device for monitoring ray exceeding, and the lead density of the sliding door reaches 11.35 g/cm 3 The distance between the sliding door and the wall surface of the chamber body is not more than 10mm;
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/m 2 (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 proportion 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/cm 3 The whole protective performance of the whole laboratory is better, and the problem of poor protective performance by setting multiple protective doors and arranging a 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 projection lens; 3-a ray-proof door; 4-air shaft A; 5-lathing; 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 the anti-ray door 3 capable of sliding and pushing, and during a small amount of tests, an object to be tested can enter the anti-ray door 3 behind the partition wall 11, so that the radiation quantity during entering is reduced.
The radioactive source well 8 is used for installing and placing a device for obtaining radioactive sources, and ozone generated by the air well A4 and the air well B7 is discharged to effectively absorb rays in the air, so that the rays in the air are cleaned.
The air shaft A4 is positioned at the corner in the chamber body 1 between the anti-ray door 3 and the sliding door 2, and the top wellhead of the air shaft A4 is positioned at the lowest position in the chamber body 1, so that 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 positioned at the inner end position of the rail 6 in the chamber body 1.
The wall of the chamber body 1 is larger than 600mm; 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 15mm; 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 500mm.
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 1:2 of cement and sand in a ratio; 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, integrally pouring and molding the top bottom surface of the chamber body 1, the partition wall 11 and the extension part 12 by using concrete, wherein the thickness of the concrete is more than 600mm; meanwhile, the air shaft A4, the radioactive source shaft 8 and the air shaft B7 are molded in the chamber body 1; the extension part 12 extends 500mm into the ground; the concrete is vibrated to be compact and uniform, the condition that the aggregates sink to the bottom and are honeycombed is prevented, and the dry volume weight of the concrete is not more than 2.35g/cm 3 (ii) a The verticality error between the concrete walls of the chamber body 1 is not more than 4mm;
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 manner; 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; a detection alarm device for monitoring ray exceeding is arranged on the chamber body 1 close to the ray-proof door 3 and the sliding door 2, and the lead density of the sliding door 2 reaches 11.35 g/cm 3 The node and material requirements of the sliding door meet the requirements of national standard 04 J610-1, and the distance between the sliding door 2 and the wall surface of the chamber body 1 is not more than 10mm;
step three, arranging the wall and the floor in the room body 1All stuck with dark non-reflective wall and floor tiles with the abrasion resistance of 5t/m 2 (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 proportion 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/cm 3 The 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 which are 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 (9)
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);
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.
2. The radiographic inspection laboratory structure of claim 1, wherein: the room body (1) is provided with a partition wall (11), and a ray-proof door (3) capable of sliding and pushing is installed on the wall of the room body (1) corresponding to the partition wall (11).
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. A construction method of a radiographic inspection laboratory structure according to any one of claims 1 to 8, characterized by: the method comprises the following steps:
step one, using concrete to match the top and bottom surfaces of the chamber body (1) and the partition wall (11) and extendThe extended part (12) is integrally cast and formed, the air shaft A (4), the radiation source shaft (8) and the air shaft B (7) are formed in the chamber body (1), and a suction and ejection groove (14) and a ray projection mirror (15) on the inner wall of the chamber body (1) are constructed; the concrete is compacted and uniform by vibration, and the dry volume weight of the concrete is not more than 2.35g/cm 3 ；
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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| CN202110342749.4A CN113090082B (en) | 2021-03-30 | 2021-03-30 | Radiographic inspection laboratory structure and construction method |
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| 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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