CN218413999U - Be used for long half life nuclide mark protector of low energy - Google Patents

Abstract

The utility model discloses a be used for long half life nuclide mark protector of low energy, include: the device comprises a support, a marking box, a transfer box, a draught fan box and an inflatable pressing strip sealing system, a two-stage sealing negative pressure environment is formed, the marking box is provided with a transfer protection door and is communicated with the transfer box, the bottom of the marking box is provided with an activity scale activity meter well and a pneumatic lifting device for a storage source, a radioactive source tank to be marked is driven by the pneumatic lifting device to enter and exit the marking box and is used for a low-energy long half-life nuclide (H3/C14) marking protection device, the shielding protection sealing effect is good, the device can be used for the negative pressure shielding environment in the experimental operation processing process of the low-energy long half-life nuclide (H3/C14) in a non-sealing work place, the radiation accident in personnel caused by the overflowing of the nuclide is prevented, the device can be widely used in scientific research and teaching, clinical inspection and production in the nuclear technology application fields of hospital pharmaceutical factories, scientific research institutions and the like, and is a preferred solution for safety protection equipment in the radiation shielding protection field and the primary protection barrier in the nuclear technology application field.

Description

Be used for long half life nuclide mark protector of low energy

Technical Field

The utility model relates to a in isotope protection production technical field, especially relate to a be used for long half life nuclide mark protector of low energy.

Background

In recent years, with the civilized popularization of nuclear technology application, especially, the understandings of low-energy long half-life nuclides (such as radionuclide containing H-3, C-14 and the like) are insufficient, radiation safety protection measures are not in place, and the radiation accidents caused by the inadequate radiation safety protection measures cause social panic, in recent years, with the simple protection equipment used in the nuclear medicine field of relevant schools, medical and scientific research personnel are subjected to excessive external irradiation and internal irradiation, so that the radiation dose of the personnel exceeds the standard, the biological safety management hidden dangers of laboratories become practical damages, the hidden dangers are not only local problems of the laboratories, but also relate to environmental safety (such as leakage, emission and the like of harmful substances) and social safety (such as escape and loss of dangerous substances) and give a warning clock to the safety protection problems of various biological safety laboratories and biomedical laboratories, and attract high attention of various governments in the world, and become the universal focus of the world.

In the prior art, the operation work of low-energy long half-life isotopes (such as radionuclides containing H-3, C-14 and the like) is finished in one independent operation box, the source liquid and finished products are transferred through a side door, the decontamination detection is improper in the transfer process, the contamination is easy to cause environmental pollution, and therefore not only radiation workers face the contamination risk of the radionuclides, but also the phenomenon that the contamination cannot be eradicated after the contamination of a workplace exists.

Apply to the general structure scheme who adopts of ventilation protective housing in nuclear technology application field in the existing market: the single chamber ventilation protective housing that directly airs exhaust in area, pass-gate adopt conventional layering to seal, and this structure is simple, and market share is high, but the nuclide after the unable assurance opens the pass-gate is dissipated and is stained the risk, and then causes operating personnel's personal safety, causes the incident easily.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides a nuclide marking protective device with low energy and long half-life period.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a radionuclide labeling shield for low energy long half-life, comprising: support, mark case and transmission case, its characterized in that: the support is sequentially provided with a marking box and a transfer box, and the marking box and the transfer box are respectively provided with an exhaust fan cabinet system and an inflatable pressing bar sealing system which are matched with each other to form a two-stage fully-closed negative pressure environment; the utility model discloses a radioactive source jar of mark, including mark case, activity meter well and pneumatic elevating gear for storage source, the transmission guard gate is established on mark case right side, with the transmission case intercommunication, activity meter well and pneumatic elevating gear for storage source are reserved to mark bottom of the case portion, the drive of pneumatic elevating gear waits the radioactive source jar business turn over of mark case.

The utility model discloses a preferred embodiment, the rack system of airing exhaust include the adaptation set up in the mark case and the rack is aired exhaust to unit on the transfer box, the rack is aired exhaust to unit rectangle box for no end, and with correspond the mark case and the coupling of transfer box top, the rack is aired exhaust to unit is used for maintaining the mark case and the independent negative pressure environment of transfer box.

In a preferred embodiment of the present invention, a discharge pipe, an exhaust fan with an activated carbon filter layer, a hundred-level high efficiency filter and a pressure difference meter are disposed above the marking box in the unit exhaust cabinet, wherein the gas in the marking box passes through 100% of the exhaust fan, and the pressure difference is negative 100-150Pa.

In a preferred embodiment of the present invention, in the unit air exhaust cabinet, a discharge pipe, an air exhaust fan with an activated carbon filter layer, a hundred-level efficient filter and a differential pressure gauge are disposed above the transfer box, wherein the air in the transfer box passes through 100% of the air exhaust fan, and the differential pressure is negative 50-80Pa.

The utility model discloses a preferred embodiment, first transmission guard gate has been seted up to one side in the mark case, the mark case passes through first transmission guard gate with transmission case intercommunication, first transmission guard gate department sets up the inflation layering rubber gasket and the hasp of adaptation for the change over to and the off-the-shelf transfer of former material, the both sides of transmission case respectively are equipped with a transmission mouth, connect respectively first transmission guard gate and keep away from the second transmission guard gate of mark case one side, second transmission guard gate department sets up the inflation layering rubber gasket and the hasp of adaptation for change over to and the off-the-shelf transfer of former material.

The utility model discloses a preferred embodiment, pneumatic elevating gear includes pneumatic riser and sets up the lift platform in the source incasement, lift platform with pneumatic riser is connected, treats the radioactive source jar of mark place in on the lift platform, pneumatic riser can drive lift platform and the radioactive source jar of treating the mark vertical reciprocating motion in the source incasement.

The utility model discloses a preferred embodiment, the mark case and the outside of transmission case all is provided with the shielding inoxidizing coating, the mark case openly is equipped with glass window and two operative hand hole sites of taking the lid, the transmission case openly is equipped with the operative hand hole site of glass window and a area lid, and operative hand hole site department sets up long arm latex gloves.

The utility model discloses a preferred embodiment, the mark case and the last electrical control panel and the LED light of having set gradually of transfer case, the pneumatic elevating gear can be controlled to the electrical control panel, fills of aerifing the layering sealing rubber ring and lets out, the LED light, supply socket and the opening and close of the fan of airing exhaust.

The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:

the utility model discloses a be used for long half life nuclide mark protector of low energy, which comprises a bracket, from left to right set gradually mark case and transmission case on the support, mark case, transmission case set up the rack of airing exhaust and the pneumatic layering sealing system of adaptation respectively, form two-stage negative pressure environment, and the transmission guard gate is established on mark case right side, and with transmission case intercommunication, the activity meter well is reserved to mark bottom of the case portion and pneumatic elevating gear is used in the source storage, treats radioactive source jar business turn over mark case of mark through the drive of pneumatic elevating gear. The utility model provides an isotope protection apparatus for producing that accords with radiation safety requirement, possess the totally enclosed negative pressure environment of second grade, for the mark that is used for the isotope, the cavity negative pressure safety device of partial shipment operation link, shielding protection, airtight effectual, can apply to the low energy long half life nuclide (H3C 14 etc.) negative pressure shielding environment in the experimental operation processing procedure in non-sealed workplace, prevent that the nuclide from overflowing and causing the personnel internal radiation accident, can be widely used in scientific research, teaching, clinical examination and production of nuclear technology application fields such as hospital, pharmaceutical factory, scientific research institution, be the preferred solution of safety protection equipment in nuclear technology application field radiation shielding protection and the primary protection protective screen; overall structure is simple and easy, and the processing installation is simple, and protection compatibility is excellent, provides effectual radiation safety protection negative pressure environment, can prevent radionuclide irradiation and reduce operating personnel to volatile substance's absorbed dose, effectual protection operating personnel's personal safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;

FIG. 1 is an overall appearance diagram of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2 in accordance with the present invention;

fig. 4 is a cross-sectional view taken along line B-B of fig. 2 in accordance with the present invention;

fig. 5 is a schematic structural view of the pneumatic lifting device shown in fig. 2 according to the present invention;

fig. 6 is a schematic structural view of the exhaust fan box of fig. 2 according to the present invention.

Detailed Description

The invention will now be described in further detail with reference to the drawings, which are simplified schematic drawings illustrating, by way of illustration only, the basic structure of the invention and thus showing only the elements relevant to the invention, and also with reference to the description of the invention, an "embodiment", "one embodiment" or "another embodiment" indicating that a particular feature, structure or characteristic described in connection with the embodiment is included in at least some, but not necessarily all embodiments.

As shown in fig. 1-6, a radionuclide labeling guard for low energy long half-life includes: the support 1, support 1 is strenghthened type SUS304 stainless steel desk frame structure, support 1 right side sets up double-deck tray 11, be used for putting notebook and display instrument, set up control box 2 on the support 1, control box 2 includes 2 independent boxes of establishing ties that set up from left to right order, respectively mark case 2-1, transfer box 2-2, every box is independent cavity, six all are equipped with shielding material board (adopting the lead plate), the shielding nature is good, inner box and outer container material are SUS304 stainless steel, the corner of inner box sets up the fillet, it is convenient for clean decontamination, mark case 2-1 openly is equipped with glass window 21 and 2 hands hole site 22 with the protective cover, hands hole site 22 department sets up long arm latex gloves, transfer box 2-2 openly is equipped with glass window 21 and one hands hole site 22 with the protective cover, glass window 21 preferred high protection equivalent lead glass, the right side sets up first transfer guard gate 23 in the case 2-1, first transfer guard gate 23 communicates with transfer box 2-2, the first transfer gate 23 that the first transfer gate 23 department set up the adaptation and the right side of the gas-filled gas seal protection gate for the transfer of the seal, the left side of the seal lock catch and the seal lock catch that are used for transferring the original material and transferring, the original lock catch of the original seal door is used for transferring, the transfer gate, the original lock catch of the transfer of the seal.

The bottom of the marking box 2-1 is sequentially provided with a source box 12 with a pneumatic lifting device 13 and an activity meter well 14 for quality control from left to right, the pneumatic lifting device 13 comprises a pneumatic lifter 13-1 and a lifting platform 13-2 arranged in the source box 12, the lifting platform 13-2 is connected with the pneumatic lifter 13-1, a radioactive source tank is placed on the lifting platform 13-2, the pneumatic lifter 13-1 drives the lifting platform 13-2 and the radioactive source tank thereon to vertically reciprocate in the source box 12 through an external air source, and the radioactive source tank is convenient to store (the lifting platform 13-2 is lowered into the source box 12 for storage) and use (the lifting platform 13-2 is lifted to be flush with an operation surface in the marking box 2-1); the transfer box 2-2 serves only as an air lock for article transfer buffering.

The utility model also comprises an exhaust cabinet system, the main function of which is to continuously exhaust the gas in the marking box 2-1 and the transfer box 2-2, so that independent negative pressure environments with different grades are respectively formed in the 2 boxes, and the cross pollution environment is prevented; the core part of the system is that 2 groups of independent exhaust fan sets are arranged and respectively connected with the tops of a marking box 2-1 and a transfer box 2-2, the 2 groups of exhaust fans 31 have the same structure, and an exhaust pipe 31-1, an exhaust fan 31-3 with an active carbon filter layer 31-2, a hundred-stage high-efficiency filter 32 with a high-efficiency filtering function and a pressure difference meter 34 for monitoring the pressure difference state in the box body are respectively arranged in the two groups of exhaust fans, after the first exhaust fan 31 of the marking box is started, outside air firstly enters the hundred-stage high-efficiency filter 32 for filtering and then enters the box body, the power for exhausting is provided by the fan 31, gas in the box body enters the active carbon filter layer 31-2 arranged at the front end of the exhaust fan 31-3 through an air inlet pipe 31-1 of the fan 31 for filtering, then is exhausted through the exhaust pipe 31-4 under the action of the exhaust fan 31-3, unclean air in the marking box 2-1 is extracted, the effect of protecting the environment and testing articles in the box is achieved, and the negative pressure difference is designed to be 100-150Pa by regulating the air speed of the fan 100-3. The principle is the same as the action principle of forming a negative pressure environment by the marking box 2-1, after the second exhaust fan 31 of the transfer box 2-2 is started, the outside air firstly enters the hundred-stage efficient filter 32 for filtering and then enters the box, the fan 31 provides exhaust power, the gas in the box enters the active carbon filter layer 31-2 arranged at the front end of the exhaust fan 31-3 through the air inlet pipe 31-1 of the fan 31 for filtering, and then is discharged through the discharge pipe 31-4 under the action of the exhaust fan 31-3, the unclean air in the marking box 2-1 is pumped out, so that the effect of protecting the environment and checking articles in the box is achieved, and the air in the marking box is fully discharged by the fan 100%, and the pressure difference is designed to be minus 50-80Pa by adjusting the wind speed of the fan, so that the transfer box is ensured to achieve the negative pressure environment. The secondary negative pressure difference between the marking box 2-1 and the transfer box 2-2 can effectively prevent the air in the box body from escaping outwards, and the purpose of protecting operators is achieved.

The marking box 2-1 and the transfer box 2-2 are respectively provided with an electric control panel 36, an LED illuminating lamp 33, a pressure difference meter 34 and the like, and the pneumatic lifter 13, the LED illuminating lamp 33, the exhaust fan 31 and the power socket 25 are controlled to be opened and closed through the electric control panel 36. What need explain, the utility model discloses a but the operative hand hole site 22 auto-lock of front area lid to prevent that the staff from forgetting to close Kong Zaocheng mistake and shine, adopt prior art can realize, do not do here and describe repeatedly, and all set up one long arm latex glove at every operative hand hole site 22, still can set up other auxiliary assembly according to actual demand, satisfy daily demand. The utility model discloses provide the radionuclide negative pressure protective environment of airing exhaust entirely according to the production demand, simple structure, processing simple to operate to realize safety protection validity as the basis, can prevent radionuclide irradiation, reduce operating personnel to volatile material's absorbed dose, filter, purifying effect is good, effectual protection operating personnel's personal safety.

The procedure is illustrated with the example of the radioisotope H-3 or C-14 procedure:

1. in a workplace, the exhaust fan boxes 31 at the tops of the marking boxes 2-1 and the transfer boxes 2-2 are respectively opened, outside air is filtered by the hundred-stage efficient filters 32 and then enters the corresponding box bodies, exhaust power is provided by the fans 31, air in the boxes enters the activated carbon filter layers 31-2 arranged at the front ends of the exhaust fans 31-3 through the air inlet pipes 31-1 of the fans 31 to be filtered, then the air is exhausted out through the exhaust pipes 31-4 under the action of the exhaust fans 31-3, unclean air in the marking boxes 2-1 is extracted, and then the effect of protecting the environment and testing articles in the boxes is achieved, because the air in the marking boxes 2-1 and the transfer boxes 2-2 is respectively exhausted by 100% through the fans, the air speed of the fans 31 is adjusted, the pressure difference of minus 100-150Pa is achieved for the marking boxes 2-1, the pressure difference of minus 50-80Pa is achieved for the transfer boxes 2-2, the air in the marking boxes 2-1 is prevented from flowing backwards to the transfer boxes 2-2, and therefore the negative pressure environment for radionuclide operation is achieved;

2. articles such as radioactive source tanks to be marked are conveyed into the transfer box 2-2 through the transfer protection door 24, the transfer protection door 24 is closed, the inflatable pressing bar sealing rubber ring of the transfer protection door 24 is opened, and the tightness of the transfer box 2-2 is guaranteed. And opening the transfer protection door 23, transferring the source tank into the marking box 2-1 through the hand hole 22 on the transfer box 2-2, closing the transfer protection door 23, opening the inflatable pressing strip sealing rubber ring of the transfer protection door 23, and ensuring the airtightness of the marking box 2-1. The source tank is still on a lifting platform 13-2 on a pneumatic lifting device 13, and the pneumatic device 13 is started through a button to drive the lifting platform 13-2 to vertically move, so that the source tank and other articles can be conveniently stored and used; the worker looks through a lead glass window 22 on the front side of the marking box 2-1, and at an operator hand hole position 22, two hands of the operator enter the marking box 2-1 from the long-arm latex gloves arranged in the hand holes on the two sides to carry out marking operation;

3. after marking is finished, the marked isotope medicament bottle is placed into an activity meter well 14 at the bottom of a marking box 2-1 for activity measurement, measurement marking is carried out, the marked nuclide is sealed in a container after marking is finished, the nuclide is transmitted into a transmission box 2-2 through a transmission protective door 23, the transmission protective door 23 is closed, and an inflatable pressing bar sealing rubber ring of the transmission protective door 23 is opened;

4. in the transfer box 2-2, a worker observes through the lead glass window 24, at the position of an operator hole 22, the arm of the worker enters the transfer box 2-2 through the long-arm latex glove, the surface pollution of the container is monitored, after the container is ensured to be free of pollution, the finished product package is moved out of the transfer box 2-2 through the transfer protection door 24, the transfer protection door 24 is closed, and the whole work is completed. The part of the utility model which is not described in detail can be realized by adopting the prior art, and the description is not repeated here.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (8)

1. A radionuclide labeling shield for low energy long half-life, comprising: support, mark case and transmission case, its characterized in that:

the support is sequentially provided with a marking box and a transfer box, and the marking box and the transfer box are respectively provided with an exhaust fan cabinet system and an inflatable pressing bar sealing system which are matched with each other to form a two-stage fully-closed negative pressure environment;

the utility model discloses a radioactive source jar of mark, including mark case, activity meter well and pneumatic elevating gear for storage source, the transmission guard gate is established on mark case right side, with the transmission case intercommunication, activity meter well and pneumatic elevating gear for storage source are reserved to mark bottom of the case portion, the drive of pneumatic elevating gear waits the radioactive source jar business turn over of mark case.

2. A nuclide marker protection device for low energy long half-life as defined in claim 1 wherein: the exhaust cabinet system comprises unit exhaust cabinets which are arranged on the marking box and the transfer box in a matched mode, the unit exhaust cabinets are bottomless rectangular boxes and are connected with the corresponding marking box and the top of the transfer box, and the unit exhaust cabinets are used for maintaining the independent negative pressure environment of the marking box and the transfer box.

3. A nuclide marker protection device for low energy long half-life as defined in claim 2 wherein: and a discharge pipe, an exhaust fan with an activated carbon filter layer, a hundred-level high-efficiency filter and a pressure difference meter are arranged in the unit exhaust cabinet corresponding to the upper part of the marker box, the gas in the marker box passes through the exhaust fan for 100 percent of full exhaust, and the pressure difference is minus 100-150Pa.

4. A nuclide marker protection device for low energy long half-life as defined in claim 2 wherein: in the unit exhaust cabinet, an exhaust pipe, an exhaust fan with an activated carbon filter layer, a hundred-level efficient filter and a pressure difference meter are arranged above the transfer box, wherein 100% of gas in the transfer box is exhausted through the exhaust fan, and the pressure difference is minus 50-80Pa.

5. A nuclide marker protection device for low energy long half-life as defined in claim 1 wherein: first transmission guard gate has been seted up to one side in the mark case incasement, the mark case passes through first transmission guard gate with the transmission case intercommunication, first transmission guard gate department sets up the inflation layering sealing rubber ring and the hasp of adaptation for the former material changes over to and the off-the-shelf transfer, the both sides of transmission case respectively are equipped with a transmission mouth, connect respectively first transmission guard gate and keep away from the second transmission guard gate of mark case one side, second transmission guard gate department sets up the inflation layering sealing rubber ring and the hasp of adaptation for the former material changes over to and the off-the-shelf transfer.

6. A nuclide marker protection device for low energy long half-life as defined in claim 1 wherein: pneumatic elevating gear includes pneumatic riser and sets up the lift platform in the source case, lift platform with pneumatic riser is connected, treats the radioactive source jar of mark place in on the lift platform, pneumatic riser can drive lift platform and treat the radioactive source jar vertical reciprocating motion of mark in the source case.

7. A nuclide marker protection device for low energy long half-life as defined in claim 1 wherein: the mark case and the outside of transmission case all is provided with the shielding inoxidizing coating, the mark case openly is equipped with glass window and two operative hand hole sites of taking the lid, the transmission case openly is equipped with the operative hand hole site of glass window and a area lid, and operative hand hole site department sets up long-armed latex gloves.

8. A nuclide marker protection device for low energy long half-life as defined in claim 1 wherein: the mark case with set gradually electrical control panel and LED light on the transfer case, electrical control panel can control pneumatic elevating gear, aerify leaking of layering sealing rubber ring, LED light, supply socket and the opening and close of the fan of airing exhaust.

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