Radioactive substance filtering and adsorbing system device

Abstract

The utility model belongs to the technical field of radioactive substance filtering and adsorbing system devices, and particularly relates to a radioactive substance filtering and adsorbing system device which comprises a box body, the top end of the box body is fixedly communicated with an air inlet pipe, and the outer wall of the air inlet pipe is fixedly communicated with a first filtering box body. The side, away from the air inlet pipe, of the top end of the box body is fixedly communicated with an air conveying pipe, and the outer wall of the air conveying pipe is fixedly communicated with a second filtering box. The first filter box and the second filter box are arranged in the purification box, so that gas in the first filter box and the second filter box is gathered into the purification box through the gas collecting hood by starting the electric fan, small particles in the gas are blocked through the activated carbon filter plate and the metal fiber layer plate, pollutants in the gas are removed, and certain deodorization and peculiar smell removal effects are achieved; the filtering efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of radioactive material filtering and adsorption system devices, in particular to a radioactive material filtering and adsorption system device. Background Art

[0002] The existing patent application with announcement number CN213528686U discloses a pneumatic non-sealed radioactive material storage cabinet, the device includes: a sealed box and an air purification system; the air purification system includes: an air inlet butterfly valve and an air inlet high-efficiency filter in the air inlet path; an exhaust butterfly valve, an exhaust high-efficiency filter, an exhaust iodine adsorber, a vacuum generator and an exhaust duct in series in the exhaust air path; the air inlet path and the exhaust air path are both connected to the sealed box through an air duct, the sealed box includes at least one sealed door, and the number of the sealed doors is set according to the partition space of the sealed box. The utility model has a simple structure, a reasonable design, higher safety and wider environmental applicability.

[0003] In the above technical solution, the filter has a high filtering accuracy for dust particles and cannot be damaged in any way, which may cause the filter to be severely damaged after long-term use, thereby affecting the next use and reducing work efficiency. Utility Model Content

[0004] The utility model aims at the problems of a radioactive material filtering and adsorption system device in the prior art and proposes the following technical solution: a radioactive material filtering and adsorption system device, comprising: a box body, the top of the box body is fixedly connected to an air inlet pipe, the outer wall of the air inlet pipe is fixedly connected to a first filter box, the side of the top of the box body away from the air inlet pipe is fixedly connected to an air supply pipe, the outer wall of the air supply pipe is fixedly connected to a second filter box, both sides of the inner walls of the first filter box and the second filter box are provided with slide grooves, the number of the slide grooves is four, and the corresponding two slide grooves form a group, a dust filter plate is slidably connected in one group of slide grooves of the first filter box and the second filter box, an adsorption plate is slidably connected in another group of slide grooves of the first filter box and the second filter box, a fixing frame is fixedly installed between the dust filter screen plate and the adsorption plate, and an electric fan is fixedly installed on the side of the fixing frame close to the dust filter screen plate.

[0005] As a preferred embodiment of the above technical solution, a purification box is fixedly installed on the side of the first filter box and the second filter box away from the dust filter screen plate, and an air collecting hood is fixedly installed on the side of the first filter box and the second filter box close to the adsorption plate. The shape of the air collecting hood is trapezoidal, and one side of the purification box is connected to the end of the air collecting hood with a smaller width.

[0006] As a preferred embodiment of the above technical solution, card slots are provided on both sides of the inner wall of the purification box. The number of the card slots is four, and two corresponding card slots form a group. An activated carbon filter plate is inserted into the card slots in one group of the two purification boxes, and a metal fiber layer plate is inserted into the card slots in the other group of the two purification boxes.

[0007] As a preferred embodiment of the above technical solution, a first screw hole is opened on the outer wall of one side of the purification box, and the number of the first screw holes is four. The four first screw holes are threadedly connected with a first screw rod, and a sealing plate is placed at the top of the four first screw holes. The four first screw rods pass through the sealing plate and are threadedly connected to the first screw holes.

[0008] As a preferred embodiment of the above technical solution, a second screw hole is opened on one side of the outer wall of the first filter box and the second filter box, and the number of the second screw holes is four. Second screw rods are threadedly connected in the four second screw holes, and a cover plate is placed on the top of the four second screw holes. The four second screw rods pass through the cover plate and are threadedly connected to the second screw holes, and a sealing gasket is fixedly installed on one side of the cover plate.

[0009] As a preferred embodiment of the above technical solution, a first solenoid valve is arranged inside one end of the air inlet pipe close to the box body, and a second solenoid valve is arranged inside one end of the air delivery pipe close to the box body.

[0010] As a preferred embodiment of the above technical solution, an exhaust iodine adsorber is fixedly installed on one side of the top of the box body close to the second filter box, the exhaust iodine adsorber is connected to the gas pipe, the outer wall of one end of the exhaust iodine adsorber away from the second filter box is fixedly connected to a vacuum generator, the bottom end of the vacuum generator is provided with a pressure reducing valve, and the top end of the vacuum generator is fixedly installed with an exhaust pipe.

[0011] As a preferred embodiment of the above technical solution, a sealing door is hinged on one side of the box body, and the number of the sealing doors is four. A U-shaped block is fixedly installed on one side of the box body close to the sealing door, and a clamping block is fixedly installed on one side of the sealing door close to the U-shaped block. The clamping block is engaged with the U-shaped block, and a latch is provided between the U-shaped block and the clamping block.

[0012] The beneficial effects of the utility model are:

[0013] (1) By setting up an electric fan, the gas passes through the dust filter screen and the adsorption plate to adsorb and block the larger particles in the gas, so that the gas in the first filter box and the second filter box is gathered through the gas collecting hood and enters the purification box by starting the electric fan, so that the smaller particles in the gas are blocked by the activated carbon filter plate and the metal fiber layer plate, and the pollutants in the gas are removed. It also has a certain deodorizing and odor removal effect, thereby improving the filtration efficiency;

[0014] (2) By rotating the second screw rod, the second screw rod is pushed out of the second screw hole, and the cover plate is opened, so that the dust filter screen plate and the adsorption plate in the first filter box and the second filter box are pulled out of the slide slot for replacement and cleaning, and then the first screw rod is rotated to separate the first screw rod from the first screw hole, and the sealing plate is opened, so that the activated carbon filter plate and the metal fiber layer plate in the purification box are pulled out of the slot for replacement. After the replacement, the inside of the first filter box and the second filter box are replaced, which is beneficial to the removal of aerosols and solid particles in the gas, thereby improving the working environment of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Shown is a stereoscopic view of a radioactive material filtering and adsorption system device;

[0016] Figure 2 What is shown is a schematic diagram of the structure inside the first filter box;

[0017] Figure 3 Shown is an exploded view of the internal structure of the first filter box;

[0018] Figure 4 Shown is a schematic diagram of the structure inside the second filter box;

[0019] Figure 5 Shown is an exploded view of the internal structure of the second filter box;

[0020] Figure 6 Shown is an exploded view of the internal structure of the purification box and the gas collection hood.

[0021] In the figure: 1. box body; 2. air inlet pipe; 3. first filter box; 4. air delivery pipe; 5. second filter box; 6. slide; 7. dust filter screen; 8. adsorption plate; 9. fixing frame; 10. electric fan; 11. purification box; 12. air collecting hood; 13. card slot; 14. activated carbon filter plate; 15. metal fiber layer plate; 16. first screw hole; 17. first screw rod; 18. sealing plate; 19. second screw hole; 20. second screw rod; 21. cover plate; 22. exhaust iodine adsorber; 23. vacuum generator; 24. exhaust pipe; 25. sealing door; 26. U-shaped block; 27. card block. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution of the present utility model will be clearly and completely described below in conjunction with the embodiments. Example

[0023] The utility model provides a radioactive material filtering and adsorption system device, such as Figure 1-6As shown, it includes a box body 1, the top of the box body 1 is fixedly connected to an air intake pipe 2, the outer wall of the air intake pipe 2 is fixedly connected to a first filter box 3, the first filter box 3 is vertically connected to the air intake pipe 2, the top of the box body 1 is fixedly connected to an air supply pipe 4 on one side away from the air intake pipe 2, the outer wall of the air supply pipe 4 is fixedly connected to a second filter box 5, the second filter plate is horizontally connected to the air supply pipe 4, both sides of the inner walls of the first filter box 3 and the second filter box 5 are provided with slide grooves 6, the number of the slide grooves 6 is four, and the corresponding two slide grooves 6 form a group, a dust filter screen plate 7 is slidably connected in a group of slide grooves 6 of the first filter box 3 and the second filter box 5, when the gas passes through the dust filter screen plate 7, the gas can be initially filtered to block large particles, the first filter box 3 and the second filter box 5 are slidably connected in another group of slide grooves 6 The dust filter screen plate 7 is dynamically connected to the adsorption plate 8, and a fixing frame 9 is fixedly installed between the dust filter screen plate 7 and the adsorption plate 8. An electric fan 10 is fixedly installed on the side of the fixing frame 9 close to the dust filter screen plate 7. A purification box 11 is fixedly installed on the side of the first filter box 3 and the second filter box 5 away from the dust filter screen plate 7. An air collecting hood 12 is fixedly installed on the side of the first filter box 3 and the second filter box 5 close to the adsorption plate 8. The shape of the air collecting hood 12 is trapezoidal, and one side of the purification box 11 is connected to the end of the air collecting hood 12 with a smaller width. Slots 13 are provided on both sides of the inner wall of the purification box 11. The number of the slots 13 is four, and the corresponding two slots 13 form a group. An activated carbon filter plate 14 is inserted in a group of slots 13 of the two purification boxes 11. The gas is filtered through the activated carbon filter and then discharged. The gas is adsorbed on the surface of the activated carbon, which delays the forward movement of the molecules. The other group of slots 13 of the two purification boxes 11 are both plugged with metal fiber layers 15. When the gas passes through the metal fiber plates, the radioactive substances in the gas are removed by adsorption and retention by the metal fiber plates. The larger particles and aerosols are filtered through the dust filter screen 7. The metal fiber plates are responsible for filtering aerosols with smaller particles (<1μm), so that the radioactive substances can be better filtered and discharged into the box 1 or discharged.

[0024] like Figure 6As shown, a first screw hole 16 is provided on the outer wall of one side of the purification box 11, and the number of the first screw holes 16 is four. The four first screw holes 16 are all threadedly connected with a first screw rod 17, and a first sealing plate 18 is placed on the top of the four first screw holes 16. The four first screw rods 17 penetrate the first sealing plate 18 and are threadedly connected with the first screw holes 16. A second screw hole 19 is provided on one side of the outer wall of the first filter box 3 and the second filter box 5, and the number of the second screw holes 19 is four. The four second screw holes 19 are all threadedly connected with a second screw rod 20, and a cover plate 21 is placed on the top of the four second screw holes 19. The four second screws 20 penetrate the cover plate 21 and are threadedly connected with the second screw holes 19, and a sealing gasket is fixedly installed on one side of the cover plate 21. After using the first filter box 3 and the second filter box 5 for a period of time, The second screw rod 20 is rotated to make the second screw rod 20 come out of the second screw hole 19, and the cover plate 21 is opened, so that the dust filter screen plate 7 and the adsorption plate 8 in the first filter box 3 and the second filter box 5 are pulled out of the slide groove 6 for replacement and cleaning, and the first screw rod 17 is rotated to separate the first screw rod 17 from the first screw hole 16, and the sealing plate 18 is opened, so that the activated carbon filter plate 14 and the metal fiber layer plate 15 in the purification box 11 are pulled out of the card slot 13 for replacement. After the replacement, the first screw rod 17 is twisted to fix the sealing plate 18 and the purification box 11, and then the second screw rod 20 is twisted to fix the cover plate 21 to the first filter box 3 and the second filter box 5, so that the inside of the first filter box 3 and the second filter box 5 are replaced, which is beneficial to remove aerosols and solid particles in the gas, thereby improving the working environment of the staff.

[0025] like Figure 1 As shown, a first solenoid valve is arranged inside one end of the air intake pipe 2 close to the box body 1, and the gas can be better transported into the box body 1 through the first solenoid valve. A second solenoid valve is arranged inside one end of the air supply pipe 4 close to the box body 1, and the gas in the box body 1 can be better transported to the exhaust pipe 24 through the air supply pipe 4 for discharge.

[0026] like Figure 1 As shown, an exhaust iodine adsorber 22 is fixedly installed on one side of the top of the box body 1 close to the second filter box 5, and the exhaust iodine adsorber 22 is connected to the air supply pipe 4. The outer wall of one end of the exhaust iodine adsorber 22 away from the second filter box 5 is fixedly connected to a vacuum generator 23, and a pressure reducing valve is provided at the bottom end of the vacuum generator 23. An exhaust pipe 24 is fixedly installed on the top of the vacuum generator 23. The second filter box 5, the exhaust iodine adsorber 22, the vacuum generator 23 and the exhaust pipe which are sequentially connected through the air supply pipe 4 can effectively remove the radioactive gas in the box body 1, and better remove the aerosols and solid particles in the box body 1, and discharge them through the exhaust pipe 24, so as to prevent pollution of the working environment.

[0027] like Figure 1 As shown, a sealing door 25 is hinged on one side of the box body 1, and a sealing gasket is fixedly installed on one side of the inner side of the sealing door 25 to ensure that the box body 1 is airtight. The number of the sealing doors 25 is four, and a U-shaped block 26 is fixedly installed on one side of the box body 1 close to the sealing door 25, and a clamping block 27 is fixedly installed on one side of the sealing door 25 close to the U-shaped block 26. The clamping block 27 is engaged with the U-shaped block 26, and a latch is provided between the U-shaped block 26 and the clamping block 27. By adjusting The first solenoid valve and the second solenoid valve are operated to reduce the radioactive gas or aerosol inside the sealed box 1 to an acceptable level. By turning the latch provided between the U-shaped block 26 and the card block 27, the latch is pulled out of the U-shaped block 26 and the card block 27, thereby pulling the card block 27, so that the sealed door 25 is slowly opened, and the required items are put in or taken out, and then the cabinet door is slowly closed, and the latch is inserted between the U-shaped block 26 and the card block 27, so that the sealed door 25 can be better fixed to prevent gas leakage.

[0028] Working principle: When in use, by opening the first solenoid valve, when the gas passes through the first filter box 3, the electric fan 10 is connected through an external power supply, thereby starting the electric fan 10 in the first filter box 3, so that the electric fan 10 rotates, so that the electric fan 10 passes the gas through the intake pipe 2 faster into the first filter box 3, through the dust filter screen 7, thereby initially blocking larger particles in the gas, so that when the gas passes through the adsorption plate 8, the adsorption plate 8 adsorbs the particulate impurities in the gas again, so that when the gas passes through the gas collecting pipe, the gas in the first filter box 3 is purified and filtered, and when the gas enters the purification box 11, the metal fiber layer plate 15 blocks the smaller particles in the gas, so that the gas is filtered through the activated carbon filter plate 14 Adsorption is performed so that the activated carbon filter plate 14 can remove pollutants in the gas, and it also has a certain deodorizing and odor removal effect. Finally, the gas enters the box body 1 through the air intake pipe 2, which can better prevent the gas entering the sealed box body 1 from unacceptable particles and aerosols. The air intake volume of the sealed box body 1 and the gas in the sealed box body 1 can be adjusted by the first solenoid valve. After closing the first solenoid valve, the second solenoid valve is opened to discharge the gas in the box body 1 into the second filter box 5 through the gas pipe 4, so that the gas in the box body 1 passes through the dust filter screen plate 7 and the adsorption plate 8 to adsorb and block the larger particles in the gas, so that the gas in the second filter box 5 is gathered through the gas collecting hood 12 by starting the electric fan 10 and enters the purification box. 11, thereby blocking smaller particles in the gas through the activated carbon filter plate 14 and the metal fiber layer plate 15, removing pollutants in the gas, and also having a certain deodorizing and odor removal effect, thereby improving the filtration efficiency after the radioactive gas or aerosol is secondary filtered and adsorbed, thereby effectively removing the radioactive gas in the box 1 through the second filter box 5, the exhaust iodine adsorber 22, the vacuum generator 23 and the exhaust pipe connected in sequence through the gas pipe 4, and better removing the aerosol and solid particles in the box 1, and discharging them through the exhaust pipe 24, thereby preventing pollution of the working environment, when the sealing door 25 is to be opened, the radioactive gas or aerosol inside the sealed box 1 has been reduced to an acceptable level by adjusting the first solenoid valve and the second solenoid valve, through By shifting the latch provided between the U-shaped block 26 and the card block 27, after the latch is pulled out of the U-shaped block 26 and the card block 27, the card block 27 is pulled, so that the sealed door 25 is slowly opened, so that after the required items are put in or taken out, the cabinet door is slowly closed, and the latch is inserted between the U-shaped block 26 and the card block 27, so that the sealed door 25 can be better fixed to prevent gas leakage. After using the first filter box 3 and the second filter box 5 for a period of time, the second screw 20 is rotated to make the second screw 20 button out of the second screw hole 19, and the cover plate 21 is opened, so that the dust filter screen plate 7 and the adsorption plate 8 in the first filter box 3 and the second filter box 5 are pulled out of the slide 6 for replacement and cleaning, so that the first screw 17 is rotated to separate the first screw 17 from the first screw hole 16,Open the sealing plate 18, so as to pull the activated carbon filter plate 14 and the metal fiber layer plate 15 in the purification box 11 out of the card slot 13, so as to replace them. After the replacement, first twist the first screw 17 to fix the sealing plate 18 and the purification box 11, and then twist the second screw 20 to fix the cover plate 21 to the first filter box 3 and the second filter box 5, so as to replace the first filter box 3 and the second filter box 5, which is conducive to removing aerosols and solid particles in the gas, thereby improving the working environment of the staff.

[0029] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A radioactive material filtering and adsorption system device, characterized in that: include: A box body (1), the top of the box body (1) is fixedly connected to an air intake pipe (2), the outer wall of the air intake pipe (2) is fixedly connected to a first filter box (3), the top of the box body (1) away from the air intake pipe (2) is fixedly connected to an air supply pipe (4), the outer wall of the air supply pipe (4) is fixedly connected to a second filter box (5), both sides of the inner walls of the first filter box (3) and the second filter box (5) are provided with slide grooves (6), the number of the slide grooves (6) is four, and two corresponding slide grooves (6) form a group, a dust filter screen plate (7) is slidably connected in one group of slide grooves (6) of the first filter box (3) and the second filter box (5), an adsorption plate (8) is slidably connected in another group of slide grooves (6) of the first filter box (3) and the second filter box (5), a fixing frame (9) is fixedly installed between the dust filter screen plate (7) and the adsorption plate (8), and an electric fan (10) is fixedly installed on the side of the fixing frame (9) close to the dust filter screen plate (7).

2. A radioactive material filtering and adsorption system device according to claim 1, characterized in that: A purification box (11) is fixedly mounted on the side of the first filter box (3) and the second filter box (5) away from the dust filter screen (7), and an air collecting hood (12) is fixedly mounted on the side of the first filter box (3) and the second filter box (5) close to the adsorption plate (8), wherein the shape of the air collecting hood (12) is trapezoidal, and one side of the purification box (11) is connected to an end of the air collecting hood (12) with a smaller width.

3. A radioactive material filtering and adsorption system device according to claim 2, characterized in that: Both sides of the inner wall of the purification box (11) are provided with card slots (13), the number of the card slots (13) is four, and two corresponding card slots (13) form a group, an activated carbon filter plate (14) is inserted into one group of card slots (13) of the two purification boxes (11), and a metal fiber layer plate (15) is inserted into another group of card slots (13) of the two purification boxes (11).

4. A radioactive material filtering and adsorption system device according to claim 3, characterized in that: A first screw hole (16) is provided on an outer wall of one side of the purification box (11), the number of the first screw holes (16) being four, a first screw rod (17) being threadedly connected in each of the four first screw holes (16), a sealing plate (18) being placed at the top of the four first screw holes (16), the four first screw rods (17) penetrating the sealing plate (18) and being threadedly connected to the first screw holes (16).

5. A radioactive material filtering and adsorption system device according to claim 1, characterized in that: A second screw hole (19) is provided on one side of the outer wall of the first filter box (3) and the second filter box (5), the number of the second screw holes (19) being four, a second screw rod (20) being threadedly connected in each of the four second screw holes (19), a cover plate (21) being placed at the top end of the four second screw holes (19), the four second screw rods (20) passing through the cover plate (21) and being threadedly connected to the second screw holes (19), and a sealing gasket being fixedly mounted on one side of the cover plate (21).

6. A radioactive material filtering and adsorption system device according to claim 1, characterized in that: A first solenoid valve is disposed inside one end of the air inlet pipe (2) close to the box body (1), and a second solenoid valve is disposed inside one end of the air delivery pipe (4) close to the box body (1).

7. A radioactive material filtering and adsorption system device according to claim 1, characterized in that: An exhaust iodine adsorber (22) is fixedly mounted on one side of the top end of the box body (1) close to the second filter box (5), and the exhaust iodine adsorber (22) is connected to the gas transmission pipe (4). An outer wall of one end of the exhaust iodine adsorber (22) away from the second filter box (5) is fixedly connected to a vacuum generator (23), a pressure reducing valve is provided at the bottom end of the vacuum generator (23), and an exhaust pipe (24) is fixedly mounted on the top end of the vacuum generator (23).

8. The radioactive material filtering and adsorption system device according to claim 1, characterized in that: A sealing door (25) is hingedly connected to one side of the box body (1), and the number of the sealing doors (25) is four. A U-shaped block (26) is fixedly installed on one side of the box body (1) close to the sealing door (25), and a clamping block (27) is fixedly installed on one side of the sealing door (25) close to the U-shaped block (26). The clamping block (27) is engaged with the U-shaped block (26), and a latch is provided between the U-shaped block (26) and the clamping block (27).

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