阅读说明：本技术 一种碘源存储柜 (Iodine source cabinet ) 是由 邱继林 俞杰 杨凯 林海鹏 于伟跃 韩明 李彦樟 王坤俊 张昭辰 李永国 乔太飞 于 2020-04-30 设计创作，主要内容包括：本发明公开了一种碘源存储柜,碘源存储柜包括：柜体,柜体一侧面上设有连接组件、密封组件和压紧上锁组件,密封组件包括：密封门；连接组件位于密封门和柜体之间,用于将密封门和柜体进行连接；密封组件固定在密封门的内侧边缘,用于将密封门和柜体进行密封；压紧上锁组件用于在关闭密封门之后,将密封门压紧柜体并上锁。本发明密封性能好,操作方便快捷,使操作人员接触放射源时间大大缩短,美观大方,各项性能指标均能满足碘源柜设计标准。(The invention discloses an iodine source storage cabinet, which comprises: the cabinet body is equipped with coupling assembling, seal assembly and compresses tightly the subassembly of locking on one side of the cabinet body, and seal assembly includes: a sealing door; the connecting assembly is positioned between the sealing door and the cabinet body and is used for connecting the sealing door and the cabinet body; the sealing assembly is fixed at the edge of the inner side of the sealing door and is used for sealing the sealing door and the cabinet body; the compressing and locking assembly is used for compressing and locking the sealing door to the cabinet body after the sealing door is closed. The iodine source cabinet has the advantages of good sealing performance, convenient and quick operation, greatly shortened time for operators to contact radioactive sources, beautiful and elegant appearance, and all performance indexes meeting the design standards of the iodine source cabinet.)

1. An iodine source cabinet, comprising: the cabinet body (7), be equipped with coupling assembling, seal assembly on cabinet body (7) a side and compress tightly the subassembly of locking, seal assembly includes: a sealing door (6);

the connecting assembly is positioned between the sealing door (6) and the cabinet body (7) and is used for connecting the sealing door (6) and the cabinet body (7);

the sealing assembly is fixed at the inner side edge of the sealing door (6) and is used for sealing the sealing door (6) and the cabinet body (7);

the compressing and locking assembly is used for compressing and locking the sealing door (6) to the cabinet body (7) after the sealing door (6) is closed.

2. An iodine source storage cabinet according to claim 1 wherein said coupling assembly comprises: and the hinge (4) is used for fixing one side of the sealing door (6) on the cabinet body (7) through the hinge (4).

3. The iodine source storage cabinet of claim 1, wherein said seal assembly further comprises: and the sealing gasket is fixed around the edge of the inner side of the sealing door (6).

4. An iodine source storage cabinet as claimed in claim 3 wherein said gasket is formed of a soft rubber material.

5. An iodine source storage cabinet according to claim 1, wherein said compression lock assembly (5) comprises: the lock comprises a pressing rod (51), a lock cylinder (52) and a lock hook (53), wherein the lock hook (53) is welded on the cabinet body (7), the lock cylinder (52) and the pressing rod (51) are fixed on one side, opposite to the hinge (4), of the sealing door (6), and the lock cylinder (52) is matched with the lock hook (53) when the sealing door (6) is closed.

6. An iodine source storage cabinet according to claim 1, wherein an electrical control box (2) is mounted on the top of said cabinet body (7) for controlling the start and stop of the exhaust fan of said cabinet body 7.

7. The iodine source storage cabinet as claimed in claim 6, wherein a capsule pressure gauge (1) is mounted on the top of the cabinet body (7), and the capsule pressure gauge (1) is mounted in the electrical control box (2) and used for displaying the negative pressure in the cabinet body (7).

8. An iodine source storage cabinet according to claim 6, wherein said cabinet body (7) is provided with a filter (3) at the top, said filter (3) is arranged between the air outlet of said cabinet body (7) and said exhaust fan for filtering the air in said cabinet body (7).

9. An iodine source storage cabinet according to claim 8, wherein said filter (3) comprises: high efficiency filters and iodine adsorbers.

Technical Field

The invention relates to the technical field of nuclear industry, in particular to an iodine source storage cabinet.

Background

The efficiency test of the iodine adsorber in the ventilation system of the nuclear facility adopts a French method-radioactive methyl iodine method. An iodine-131 radiation source was used in the experiment. The storage and management of radioactive sources should meet the requirements associated with radiation protection. The iodine source storage cabinet becomes an indispensable device in field efficiency tests of iodine adsorbers in a ventilation system of nuclear facilities. At present, a sealing door of an iodine source storage cabinet adopts a guide groove type four-corner hand wheel pressing mode, and one side of the door is provided with an opening for fixing a bolt of a rotating bolt lock. This sealing door compresses tightly and opens all must four rotatory hand wheels, wastes time and energy, and it is poor to compress tightly the effect, and the spring bolt of cam lock breaks of bending easily moreover, does not play the effect of locking.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an iodine source storage cabinet which is good in sealing performance, convenient and quick to operate, capable of greatly shortening the time for operators to contact with radioactive sources, attractive and elegant, and capable of meeting the design standards of the iodine source cabinet in terms of various performance indexes.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

an iodine source storage cabinet, said iodine source storage cabinet comprising: the cabinet body, be equipped with coupling assembling, seal assembly on cabinet body one side and compress tightly the subassembly of locking, seal assembly includes: a sealing door;

the connecting assembly is positioned between the sealing door and the cabinet body and is used for connecting the sealing door and the cabinet body;

the sealing assembly is fixed at the edge of the inner side of the sealing door and is used for sealing the sealing door and the cabinet body;

the compressing and locking assembly is used for compressing and locking the sealing door to the cabinet body after the sealing door is closed.

Further, an iodine source storage cabinet as described above, said connection assembly comprising: and the hinge is used for fixing one side of the sealing door on the cabinet body.

Further, an iodine source storage cabinet as described above, said seal assembly further comprising: and the sealing gasket is fixed around the edge of the inner side of the sealing door.

Further, according to the iodine source storage cabinet, the sealing gasket is made of a soft rubber material.

Further, an iodine source storage cabinet as described above, said compression lock assembly comprising: the lock hook is welded on the cabinet body, and the lock core and the pressure rod are fixed on one side, opposite to the hinge, of the sealing door and are matched with the lock hook when the sealing door is closed.

Further, as above, the electric control box is installed at the top of the cabinet body, and is used for controlling the starting and stopping of the exhaust fan of the cabinet body 7.

Further, as above an iodine source cabinet, cabinet body top installs the bellows manometer, the bellows manometer is installed in the electrical control box for show the internal negative pressure of cabinet.

Further, as above an iodine source cabinet, the filter is installed at cabinet body top, the filter is installed the air outlet of the cabinet body with between the exhaust fan, be used for filtering the internal gas of cabinet.

Further, an iodine source storage cabinet as described above, said filter comprising: high efficiency filters and iodine adsorbers.

The invention has the beneficial effects that: the iodine source cabinet has the advantages of good sealing performance, convenient and quick operation, greatly shortened time for operators to contact radioactive sources, beautiful and elegant appearance, and all performance indexes meeting the design standards of the iodine source cabinet.

Drawings

Fig. 1 is a schematic structural diagram of an iodine source storage cabinet provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a compression lock assembly according to an embodiment of the present invention;

in the drawings: 1-capsule pressure gauge; 2-an electrical control box; 3-a filter; 4-a hinge; 5; compressing the locking assembly; 6; a sealing door; 7-iodine source storage cabinet.

Detailed Description

The invention is described in further detail below with reference to the drawings and the detailed description.

Aiming at the problems that the operation of a sealing door of the original iodine source storage cabinet wastes time and labor and the time for personnel to contact with a radioactive source is long, the invention provides the iodine source storage cabinet which can be used for the efficiency test of an iodine absorber in a ventilation system of a nuclear facility, has good sealing performance and convenient and quick operation, greatly shortens the time for the operators to contact with the radioactive source, is attractive and elegant, and can meet the design standard of the iodine source cabinet in all performance indexes.

As shown in fig. 1-2, an iodine source storage cabinet comprises: cabinet body 7, be equipped with coupling assembling, seal assembly and compress tightly the subassembly of locking on 7 lateral surfaces of cabinet body, seal assembly includes: a sealing door 6;

the connecting assembly is positioned between the sealing door 6 and the cabinet body 7 and is used for connecting the sealing door 6 and the cabinet body 7. The sealing assembly is fixed on the inner side edge of the sealing door 6 and is used for sealing the sealing door 6 and the cabinet body 7. The pressing and locking assembly is used for pressing and locking the sealing door 6 against the cabinet body 7 after the sealing door 6 is closed.

The coupling assembling includes: and a hinge 4, wherein one side of the sealing door 6 is fixed on the cabinet body 7 through the hinge 4.

The seal assembly further includes: the sealing gasket is fixed around the edge of the inner side of the sealing door 6; the sealing gasket is made of soft rubber material.

The pressing and locking assembly 5 comprises: the pressure lever 51, the lock cylinder 52 and the lock hook 53, the lock hook 53 is welded on the cabinet body 7, the lock cylinder 52 and the pressure lever 51 are fixed on the side of the sealing door 6 opposite to the hinge 4, and the lock cylinder 52 is matched with the lock hook 53 when the sealing door 6 is closed.

The hinge 4 is fully welded to connect the sealing door 6 with the cabinet body 7. The size of the hinge 4 must be selected to match with the sealing gasket to prevent the sealing from being not in place. The sealing gasket is made of soft rubber materials, so that the surfaces of the sealing door 6 and the cabinet body 7, which are contacted with the sealing gasket, are ensured to be smooth and flat.

After the sealing door 6 is closed, the press rod 51 is lifted to hook the lock hook 53, the lock rod is pressed downwards to reset, the lock core 52 is rotated to lock the press rod 51, the press rod 51 cannot be lifted upwards, and the sealing door 6 is locked.

The pressure lever 51 is welded on the sealing door 6, is provided with a lock, is pressed into the lock hook 53 downwards, and is pressed against the sealing door 6 through a pressure lever spring and a sealing gasket. The pressing rod 51 is pressed downwards to be connected with the locking hook 53, and the lock core 52 is rotated by a key to realize locking. The compressing and locking assembly 5 can simultaneously realize three functions of door handle, compressing and locking.

As shown in fig. 1, the iodine source storage cabinet is a device dedicated to storing iodine sources. The top of the cabinet body 7 of the iodine source storage cabinet is provided with a capsule pressure gauge 1, an electric control box 2 and a filter 3.

The capsule pressure gauge 1 is arranged in the electric control box 2 and is used for displaying the negative pressure in the cabinet body 7;

the electric control box 2 is arranged at the top of the iodine source storage cabinet 7 and is used for controlling starting and stopping of an exhaust fan of the cabinet body 7;

the filter 3 is installed between the air outlet of the cabinet 7 and the exhaust fan, is composed of a high-efficiency filter and an iodine adsorber, and is used for filtering the gas in the cabinet 7 to make the air discharged to the environment be clean air.

The working process is as follows:

1. and when the power supply is switched on, the power supply indicator lamp is on, the switch of the exhaust fan is rotated to the open position, and the exhaust fan is started.

2. And observing the reading of the capsule pressure gauge to determine whether the reading meets the use requirement.

3. And under the normal pressure value condition, waiting for 5 minutes of running of the exhaust fan.

4. The pressure rod lock is unlocked by a key (the locking component is pressed tightly), the pressure rod is lifted upwards, the sealing door is opened, and the operation of the exhaust fan is continuously kept.

5. The radioactive source is operated.

6. And closing the sealing door, pressing down the pressure lever, and locking the pressure lever lock by using a key.

7. And (5) after keeping the exhaust fan running for 5 minutes, rotating the switch of the exhaust fan to the off position, and stopping the exhaust fan.

8. And (5) switching off the power supply, and turning off the power supply indicator lamp to finish the operation.

According to the invention, the sealing door of the iodine source storage cabinet is connected to the iodine source cabinet main body in a hinge mode under the condition that the main body structure of the original iodine source cabinet is not changed, so that the up-and-down shaking of the sealing door is avoided. The guide groove is removed, and the wide sealing gasket is additionally arranged, so that the overall sealing performance is improved. The cam lock is improved into a compression bar lock, and the compression bar lock can simultaneously realize three functions of door handle, compression and locking. The leakproofness is good, and staff convenient operation is swift, whole effect elegant appearance. The operation time is greatly shortened in frequent operation, the time for workers to contact with the radioactive source in a short distance is also reduced, and the optimization of radiation protection is realized.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.