CN218014806U

CN218014806U - Radioactive waste sorting device

Info

Publication number: CN218014806U
Application number: CN202221917785.5U
Authority: CN
Inventors: 李景林; 周兆宇; 项振国; 刘枫; 许书河
Original assignee: Cnnc Everclean Co ltd
Current assignee: Cnnc Everclean Co ltd
Priority date: 2022-07-23
Filing date: 2022-07-23
Publication date: 2022-12-13
Anticipated expiration: 2032-07-23

Abstract

The application relates to a radioactive waste sorting device, and relates to the field of radioactive waste treatment. The waste dumping device comprises a waste barrel, a lifting assembly for lifting the waste barrel and a turning assembly matched with the lifting assembly for use, wherein the turning assembly comprises an organ cover, a feeding barrel arranged in the organ cover, a first hydraulic oil cylinder for providing power for turning the organ cover and a rotating block connected with the first hydraulic oil cylinder; still include with organ cover fixed connection's letter sorting case, letter sorting case with the pan feeding mouth has been seted up to one side that the organ cover is connected. The utility model provides a radioactive waste sorting device throws the in-process of putting the letter sorting case with radioactive waste, reduces radioactive dust and the aerosol of radioactive waste effectively and spreads in operational environment to reduce the harm that radioactive waste caused to staff's the healthy.

Description

Radioactive waste sorting device

Technical Field

The application relates to the field of radioactive waste treatment, in particular to a radioactive waste sorting device.

Background

Radioactive waste is a substance that contains or is contaminated with radionuclides, whose concentration or specific activity is greater than the level of cleanliness regulations prescribed by the state department of administration, and is expected to be no longer utilized. With the rapid application and development of nuclear technology, the radioactive wastes generated along with the rapid application and development of the nuclear technology are increasing day by day, the sources of the radioactive wastes mainly comprise daily production operation, overhaul and maintenance, facility retirement and the like of nuclear enterprises, how to safely and properly treat the radioactive wastes is an important guarantee for the continuous and healthy development of the nuclear technology industry, and the sorting of the radioactive wastes is an important process link of the radioactive waste treatment engineering. Because some radioactive wastes have complex compositions, different waste shapes and sizes, and various waste materials and types, and the radioactive wastes are involved, the automation difficulty of waste sorting is very high.

When the radioactive dust and aerosol generated in the sorting process of the radioactive waste are not protected, the radioactive dust and the aerosol can be scattered in a room out of order, and radioactive pollution to personnel, plants and tool equipment is easily caused. At present, although individual enterprises in China develop large radioactive sorting and filling facilities and fixed waste sorting devices to assist manual sorting, most of equipment is additionally provided with sorting boxes only on the basis of complete exposure of original radioactive wastes, so that the wastes are stored in the sorting boxes for sorting. When the radioactive waste sorting device works, workers put radioactive waste into the waste sorting box and then perform manual sorting, even in many waste sorting plants, the radioactive waste sorting device is the most original sorting device, the waste is completely exposed in the environment, and the workers are completely exposed in an area with high concentration of radioactive aerosol.

In view of the above-mentioned related arts, the inventor can diffuse radioactive dust and aerosol of the radioactive waste in the air during the process of feeding the radioactive waste into the sorting bin, which seriously endangers the health of workers.

SUMMERY OF THE UTILITY MODEL

In order to reduce radioactive dust and aerosol and to spread in a large number in operational environment, and then protect staff's healthy, this application provides a radioactive waste sorting device.

The application provides a radioactive waste sorting device adopts following technical scheme:

a radioactive waste sorting device comprises a waste barrel, a lifting assembly and a turnover assembly, wherein the lifting assembly is used for lifting the waste barrel, the turnover assembly is matched with the lifting assembly, the turnover assembly comprises an organ cover, a feeding barrel arranged in the organ cover, a first hydraulic oil cylinder for providing power for turnover of the organ cover and a rotating block connected with the first hydraulic oil cylinder, the rotating block is connected with the lifting assembly, when waste is dumped, the top end of the waste barrel is abutted to the bottom end of the feeding barrel, the radioactive waste sorting device also comprises a sorting box fixedly connected with the organ cover, and a feeding port is formed in one side, connected with the organ cover, of the sorting box.

Through adopting above-mentioned technical scheme, the garbage bin is used for holding the radioactive waste who treats the letter sorting, promotes the subassembly with the garbage bin promote with pan feeding bucket looks butt, and first hydraulic cylinder's flexible rotatory piece that drives is rotatory, and then drives organ cover and pan feeding bucket upset, and then the realization is emptyd the waste in the garbage bin to the letter sorting incasement, carries out manual sorting again. Realized empting the automatic machine of waste in the garbage bin, replaced the manual work and emptyd the retake, reduced personnel's exposure dose, and then reduced the harm that radioactive waste caused the staff.

Optionally, a guide cover is arranged at the bottom of the feeding barrel, and the inner diameter of the guide cover gradually increases from the direction close to the feeding barrel to the direction far away from the feeding barrel.

Through adopting above-mentioned technical scheme, the guide way is used for fixing the ascending direction of pan feeding bucket, and then guarantees that the waste bin can dock with the pan feeding bucket.

Optionally, the periphery of the top end of the waste barrel is provided with an annular mounting strip protruding outwards, and the inner wall of the bottom end of the feeding barrel is provided with a mounting groove for mounting the mounting strip.

Through adopting above-mentioned technical scheme, setting up of mounting bar and mounting groove has strengthened the leakproofness of waste drum with the storage bucket, and then reduces the emission of radioactive dust and aerosol.

Optionally, the lifting assembly comprises a lifting platform for mounting the waste bin and a second hydraulic cylinder for providing power for the lifting platform, and a limiting block is arranged on the lifting platform.

Through adopting above-mentioned technical scheme, the second hydraulic cylinder reciprocates for the elevating platform and provides the power source, and the setting of stopper can prevent that the garbage bin from shifting at the upset in-process.

Optionally, a filter and a fan connected with the filter are arranged at the feed inlet, and the fan is installed on the top of the outer wall of the sorting box.

Through adopting above-mentioned technical scheme, when the radioactive waste emptys to the letter sorting incasement, the fan can be effectively to radioactive dust and aerosol in the box carry out the pump drainage, and the unordered diffusion of radioactive dust and aerosol when having avoided the letter sorting is provided with the filter at the fan front end, blocks up harmful substance in the filter, and the gas of emission in operational environment is the gas that does not have radioactive hazard, has reduced the radioactive contamination to the work factory building effectively, and then has reduced the health hazard to the staff.

Optionally, a nuclear grade filter element is arranged in the filter.

By adopting the technical scheme, the filtering efficiency of the nuclear grade filter element reaches 99.99 percent, the pumping and exhausting gas passes through the nuclear grade filter element, and the radioactive dust and the aerosol are intercepted on the filter element, so that the discharged gas is prevented from polluting a working workshop.

Optionally, the sorting box is provided with an operation window, and protection plates are arranged around the operation window.

Through adopting above-mentioned technical scheme, the staff pours the radioactive waste in the letter sorting case into through the operation window letter sorting, and the setting of guard plate has reduced radioactive substance effectively and has shone the dose to the human body outward, and then reduces the injury of radioactive waste to the human body.

Optionally, an observation window is arranged above the operation window, and a lighting assembly is installed at the top end of the observation window.

Through adopting above-mentioned technical scheme, when the waste material was poured into the letter sorting incasement, the staff observed the waste material through the observation window, and then carried out letter sorting work through the operation window, the setting of observation window has increased the protective screen between staff's face and radioactive waste material, further reduces the injury that radioactive waste material led to the fact to the staff, and lighting assembly's setting makes in the letter sorting incasement brighter, is favorable to letter sorting waste material.

Optionally, a sorting and collecting hole is formed in the sorting box main body, a collecting barrel is installed at the bottom end of the sorting and collecting hole, a cover body capable of being covered on the sorting and collecting hole is installed in the sorting box, and a sealing ring is arranged on the cover body.

Through adopting above-mentioned technical scheme, the letter sorting collecting hole is arranged in throwing into the different collecting vessel with the different wastes material of letter sorting in, during the stop work, the lid is established on the letter sorting collecting hole, reduces the diffusion of radioactive waste material in the collecting vessel, and the setting of sealing washer has further improved the leakproofness between lid and the letter sorting collecting hole, reduces the radioactive substance in the collecting vessel more effectively and collects the hole diffusion to operational environment through the letter sorting.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lifting assembly and the overturning assembly are arranged, so that automatic mechanical dumping of waste in the waste barrel is realized, manual dumping and fetching are replaced, the irradiated dose of personnel is reduced, and further the harm of radioactive waste to workers is reduced;

2. due to the arrangement of the filter and the fan, the fan effectively pumps and exhausts the radioactive dust and the aerosol, and disordered diffusion of the radioactive dust and the aerosol during sorting is avoided; the filter blocks harmful substances in the filter, and the filtered gas has no radioactivity, so that the radioactive pollution to a working workshop is effectively reduced;

3. the arrangement of the protection plate effectively reduces the external irradiation dose of radioactive substances to human bodies, thereby reducing the harm of the radioactive wastes to the human bodies.

Drawings

Fig. 1 is a schematic structural view of a radioactive waste sorting apparatus according to the present application;

FIG. 2 is a schematic view of a radioactive waste sorter lift assembly of the present application;

figure 3 is a cross-sectional view of a radioactive waste sorting apparatus of the present application.

Description of reference numerals: 1. a support; 2. a waste bin; 21. mounting a bar; 3. a lifting assembly; 31. a lifting platform; 32. a second hydraulic cylinder; 33. a linear guide rail; 34. a slider; 35. a limiting block; 36. a vibration motor; 4. sorting boxes; 41. a feeding port; 42. a filter; 43. a fan; 44. a filter cartridge; 45. an operating window; 46. a protection plate; 47. an observation window; 48. an illuminating lamp; 5. a turnover assembly; 51. an organ cover; 52. a charging barrel; 521. a guiding portion; 522. a guide housing; 523. mounting grooves; 53. a fixed mount; 54. a first hydraulic cylinder; 55. rotating the block; 56. a connecting rod; 57. a fixing frame; 6. sorting and collecting holes; 61. a cover body; 611. a seal ring; 62. and (6) a collecting barrel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses radioactive waste sorting device.

Referring to fig. 1, a radioactive waste sorting apparatus includes a support 1, a waste bin 2 for transferring waste, a lifting assembly 3 and a sorting bin 4 mounted on the support 1, and an overturning assembly 5 fixedly connected to the sorting bin 4. Electric fork-lift truck will hold the waster bin 2 of radioactive waste and place on lifting unit 3, lifting unit 3 is used for lifting waster bin 2 to contact with upset subassembly 5, under lifting unit 3 and the combined operation of upset subassembly 5, dump the radioactive waste in waster bin 2 to sorting case 4 in and sort next step.

The lifting assembly 3 comprises a lifting platform 31 and a second hydraulic cylinder 32, the lifting platform 31 is formed by welding steel pipes, a linear guide rail 33 and a sliding block 34 are respectively arranged on two sides of the lifting platform 31, so that the lifting platform 31 can slide up and down, and the second hydraulic cylinder 32 provides power for the up-and-down sliding of the lifting platform 31. Be provided with four stopper 35 on elevating platform 31 mesa, stopper 35's setting can prevent effectively that garbage bin 2 from taking place to shift at the upset in-process, and then causes the emergence of empting this condition of wastes material process failure. Install shock dynamo 36 on elevating platform 31, when the radioactive waste material of dumping, open shock dynamo 36 for elevating platform 31 takes place vibrations, and then drives the vibrations of garbage bin 2, is favorable to dumping the radioactive waste material in the garbage bin 2.

The sorting box 4 is provided with an operation window 45, and a protection plate 46 is arranged around the operation window 45, in the example, a lead shielding plate is used as the protection plate 46 for reducing the external irradiation dose of radioactive substances to human bodies, and further reducing the damage of the radioactive waste to the human bodies. Because the lead shielding plate can effectively reduce the external irradiation dose to personnel, the external irradiation dose to Co-60 is reduced by 3 times, and the external irradiation dose to Cs-137 is reduced by 8 times. In addition, an observation window 47 is arranged on the sorting box 4, and the observation window 47 is obliquely arranged above the operation box, so that the waste in the sorting box 4 can be observed conveniently, and then the waste can be sorted; install light 48 at the top of observation window 47, improve the brightness in letter sorting case 4, be favorable to going on of letter sorting work.

Referring to fig. 2 and 3, the overturning assembly 5 includes an organ cover 51, a feeding barrel 52 arranged in the organ cover 51, a fixing frame 53 for fixing the feeding barrel 52, a first hydraulic cylinder 54 for providing power for overturning the organ cover 51, and a rotating block 55 connected to a bottom end of the first hydraulic cylinder, and the other end of the rotating block 55 is connected to the lifting assembly 3 through a connecting rod 56. A fixing frame 57 is welded to the top end of the guide rail, and the fixing frame 57 is fixedly connected to the bottom end of the organ cover 51. When the garbage can 2 rises to contact with the feeding can 52, the first hydraulic oil cylinder 54 stretches and retracts to drive the rotating block 55 to rotate, so that the lifting platform 31, the garbage can 2 and the fixing frame 57 are driven to rotate, and meanwhile, the sector area of the organ cover 51 gradually becomes smaller until garbage in the garbage can 2 is poured into the sorting box 4.

The top of the feeding barrel 52 is provided with a guiding part 521, which is beneficial for garbage in the garbage barrel 2 to slide into the sorting box 4 through the guiding part 521; the bottom of the feeding barrel 52 is provided with a guide cover 522, the inner diameter of the guide cover 522 is gradually increased from the direction close to the feeding barrel 52 to the direction far away from the feeding barrel 52, and the arrangement of the guide cover 522 facilitates the butt joint of the waste barrel 2 and the feeding barrel 52 along the guide cover 522.

Be provided with mounting bar 21 on the top of waste bin 2, mounting bar 21 is made by rubber, can take place deformation under the effect of power, is provided with the mounting groove 523 that supplies the mounting bar 21 installation in the bottom of pan feeding bucket 52, under the effect that promotes subassembly 3, waste bin 2 rises to mounting bar 21 inlays and locates in mounting groove 523 for sealed effect improves, has further reduced the volume that radioactive substance diffused to operational environment from the gap between pan feeding bucket 52 and the waste bin 2.

A feeding port 41 is formed in one side, connected with the organ cover 51, of the sorting box 4, waste in the waste barrel 2 is poured into the sorting box 4, a filter 42 is arranged at the feeding port 41, a fan 43 is mounted at the top of the outer wall of the sorting box 4, and the filter 42 is connected with the fan 43 and used in a matched mode. The fan 43 can effectively pump and exhaust the radioactive dust and the aerosol in the box body, and disordered diffusion of the radioactive dust and the aerosol during sorting is avoided. The front end of the fan 43 is provided with a filter 42, a nuclear grade filter core 44 is arranged in the filter 42, the filtering efficiency of the nuclear grade filter core 44 reaches 99.99 percent, the pumping and exhausting gas passes through the nuclear grade filter core 44, the radioactive dust and the aerosol are trapped on the filter core, and the harmless gas is directly discharged to the working environment. The arrangement of the filter 42 and the fan 43 effectively reduces harmful radioactive dust and aerosol from being discharged to the working environment, prevents radioactive pollution to a working factory, and further reduces damage to the health of workers when the radioactive waste is sorted. In addition, the nuclear grade filter 42 is simple to replace and can be replaced regularly.

Be provided with the inclined plane in letter sorting case 4, seted up two letter sorting collection holes 6 on the inclined plane, articulated on the inclined plane have the lid 61 that the lid was located on letter sorting collection hole 6, install collecting vessel 62 under letter sorting collection hole 6. The staff passes through operation window 45 letter sorting radioactive waste, and the waste that will sort drops into different letter sorting collecting holes 6, and then puts into different waste collecting bucket 62, and when stopping the letter sorting, the lid closes lid 61, avoids the radioactive substance in the collecting bucket 62 to spread to operational environment, is provided with rubber seal 611 around lid 61 bottom, promotes the leakproofness between lid 61 and the letter sorting collecting holes 6, further reduces the diffusion volume of radioactive substance.

The implementation principle of the radioactive waste sorting device in the embodiment of the application is as follows: in operation, the waste bin 2 filled with radioactive waste is placed on the lifting assembly 3, and rises along with the lifting platform 31 until the mounting bar 21 is just embedded in the mounting groove 523 at the bottom of the material inlet bin 52. At this time, the first hydraulic cylinder 54 is contracted to drive the rotating block 55 connected with the bottom end of the first hydraulic cylinder 54 to rotate, the rotating block 55 drives the lifting platform 31, the waste bin 2 and the fixed frame 57 to upwards overturn by taking the end of the rotating block 55 connected with the lifting assembly 3 as an axis, meanwhile, the sector area of the organ cover 51 is gradually reduced, the waste bin 2 is overturned to the bottom end higher than the top end, and waste in the waste bin 2 slides into the sorting box 4 through the guide part under the action of the vibrating motor 36 to perform subsequent filtering and sorting work. According to the radioactive waste sorting device, in the process of putting the radioactive waste into the sorting box 4, automatic mechanical dumping of the waste in the waste barrel 2 is achieved, manual dumping and withdrawing are replaced, and therefore the irradiated dose of personnel is reduced; meanwhile, the diffusion of radioactive dust and aerosol of the radioactive waste in a working environment is effectively reduced, so that the damage to the health of workers is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A radioactive waste sorting device is characterized in that: the garbage can comprises a garbage can (2), a lifting component (3) for lifting the garbage can (2) and a turnover component (5) matched with the lifting component (3) for use, wherein the turnover component (5) comprises an organ cover (51), a feeding barrel (52) arranged in the organ cover (51), a first hydraulic oil cylinder (54) for providing power for turnover of the organ cover (51) and a rotating block (55) connected with the first hydraulic oil cylinder (54), the rotating block (55) is connected with the lifting component (3), when the garbage is dumped, the top end of the garbage can (2) is abutted to the bottom end of the feeding barrel (52), the garbage can also comprises a sorting box (4) fixedly connected with the organ cover (51), and a feeding port (41) is formed in one side of the sorting box (4) connected with the organ cover (51).

2. The radioactive waste sorting apparatus of claim 1, wherein: the bottom of the feeding barrel (52) is provided with a guide cover (522), and the inner diameter of the guide cover (522) is gradually increased from the direction close to the feeding barrel (52) to the direction far away from the feeding barrel (52).

3. The radioactive waste sorting apparatus of claim 2, wherein: the periphery of the top end of the waste barrel (2) is provided with an annular mounting strip (21) protruding outwards, and the inner wall of the bottom end of the feeding barrel (52) is provided with a mounting groove (523) for mounting the mounting strip (21).

4. A radioactive waste sorting apparatus according to claim 3, wherein: the lifting assembly (3) comprises a lifting platform (31) used for installing the waste barrel (2) and a second hydraulic oil cylinder (32) providing power for the lifting platform (31), and a limiting block (35) is arranged on the lifting platform (31).

5. The radioactive waste sorting apparatus of claim 1, wherein: the feeding port (41) is provided with a filter (42) and a fan (43) connected with the filter (42), and the fan (43) is installed on the top of the outer wall of the sorting box (4).

6. The radioactive waste sorting apparatus of claim 5, wherein: a nuclear grade filter element (44) is arranged in the filter (42).

7. The radioactive waste sorting apparatus of claim 1, wherein: an operation window (45) is arranged on the sorting box (4), and protection plates (46) are arranged around the operation window (45).

8. The radioactive waste sorting apparatus of claim 7, wherein: an observation window (47) is arranged above the operation window (45), and a lighting assembly is installed at the top end of the observation window (47).

9. The radioactive waste sorting apparatus of claim 1, wherein: sorting collecting hole (6) are arranged in the sorting box (4) main body, collecting barrel (62) are installed at the bottom end of the sorting collecting hole (6), a cover body (61) capable of being covered and arranged on the sorting collecting hole (6) is installed in the sorting box (4), and a sealing ring (611) is arranged on the cover body (61).