CN220313398U - Nuclear power plant waste radioactive pollution metalwork shearing mechanism - Google Patents
Nuclear power plant waste radioactive pollution metalwork shearing mechanism Download PDFInfo
- Publication number
- CN220313398U CN220313398U CN202321416793.6U CN202321416793U CN220313398U CN 220313398 U CN220313398 U CN 220313398U CN 202321416793 U CN202321416793 U CN 202321416793U CN 220313398 U CN220313398 U CN 220313398U
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- China
- Prior art keywords
- side panel
- upper side
- feeding
- conveyer
- nuclear power
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- 238000010008 shearing Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 title claims description 12
- 238000003904 radioactive pollution Methods 0.000 title abstract description 11
- 239000010908 plant waste Substances 0.000 title description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000002285 radioactive effect Effects 0.000 claims abstract description 10
- 230000007306 turnover Effects 0.000 claims abstract description 3
- 238000011109 contamination Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 22
- 239000002699 waste material Substances 0.000 abstract description 11
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 238000013459 approach Methods 0.000 abstract 1
- 230000001174 ascending effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to a shearing device for waste radioactive pollution metal parts of a nuclear power plant, and belongs to the technical field of protection glove box treatment for treating radioactive pollutants. The device comprises a protection glove box, an operation workbench, a feeding conveyor and a controller, wherein the protection glove box is divided into an upper half containing cavity and a lower half containing cavity, a front upper side panel of the upper half containing cavity is provided with a protection glove sleeve hole, a top plate of the upper half containing cavity is hung with a manual hydraulic shear, a channel and a supporting plate are arranged in the upper half containing cavity, a conveying belt in the box is arranged in the channel, and a throwing hole and a turnover cover are formed in the supporting plate; a steel drum base is arranged on the bottom plate of the lower half cavity, a door is arranged on the rear lower side panel of the steel drum base, the throwing hole is opposite to the upper opening of the steel drum, and a feeding door opening and a sealing door are arranged on the left or right upper side panel; the feeding conveyor is positioned at one side of the feeding door opening, the bottom of the feeding conveyor is provided with a first lifter, and the feeding conveyor is leveled with and approaches to the conveyor belt in the box after ascending. The device can cut and crush the waste radioactive pollution metal parts of the nuclear power plant.
Description
Technical Field
The utility model relates to a crushing treatment device for waste radioactive pollution metal parts in a nuclear power plant, which is used for shearing the waste metal parts with low radioactivity in the nuclear power plant, and belongs to the field of treatment of a protective glove box for treating radioactive pollutants.
Background
When treating thin-walled metal parts (including ventilated filter core frames) or metal pipes in nuclear power dry waste, the waste needs to be crushed to a proper size, then filled into steel barrels for sealing and sent to a treatment field for treatment. In this process, in order to prevent the spread of radioactive contamination and secure the safety of operators and the surrounding environment, an apparatus for effectively shielding the radiation of radioactive substances is required for treatment.
The existing protective shielding box or container is designed for radioactive liquid sampling, for example, chinese patent application No. CN201721064709.3 discloses a shielding glove box for sampling radioactive liquid in a nuclear power station, and the shielding glove box realizes the function of sampling various types of radioactive liquid in the box. But cannot crush the radioactive contaminated metal parts discarded from the nuclear power plant.
Disclosure of Invention
The utility model aims to solve the technical problems that: an apparatus for crushing radioactive contaminated metal parts discarded from a nuclear power plant is provided.
The technical scheme provided by the utility model for solving the technical problems is as follows: the utility model provides a nuclear power plant abandonment radioactivity pollutes metalwork shearing mechanism, includes protection glove box and supporting operation workstation, feeding conveyer, controller, protection glove box separates has first half appearance chamber and lower half appearance chamber, first half appearance chamber has four preceding, back, left and right side upper side panel and roof, lower half appearance chamber has four preceding, back, left and right lower side panel and bottom plate, the hand guard trepanning has been seted up on the preceding upper side panel, the hanging manual hydraulic shear that is equipped with in the roof, be provided with in the first half appearance intracavity and be close to the channel in hand guard trepanning and extend to from the channel back upper side panel's layer board, be provided with the incasement conveyer, open on the layer board and be used for with put in hole complex flip, be equipped with the base that is used for placing the steel drum on the bottom plate, the back lower side panel seted up the opening that is used for the steel drum business turn over, put in the hole with the upper opening of steel drum is relative, left or right side upper side panel has seted up feeding gate and sealing gate, feeding gate and feeding gate are located in the conveyer, a side face down conveyer is close to the feeding gate and a side of being provided with the feeding gate and a side face conveyor, a side elevation controller is located in the conveyer, a side elevation controller is close to the feeding gate.
Further, a sliding rail is arranged on the inner wall of the top plate, and a roller matched with the sliding rail is arranged at one end of a hanging rope connected with the upper end of the manual hydraulic shear; and the top plate is also provided with an exhaust port, and an exhaust pipe and an exhaust fan are arranged at the exhaust port.
Further, the front upper side panel, the front lower side panel and the top plate are all provided with shielding lead plates.
Further, the tray extends obliquely upward from the channel to the rear upper side panel.
Further, a light curtain switch is arranged on the side part of the sealing door, and the sealing door is controlled to be opened and closed through a hydraulic or pneumatic mechanism.
Further, the operation workbench is divided into three pieces, the middle piece is a middle platform on which an operator stands, the bottom of the middle platform is provided with a second lifter, and the middle platform is provided with a foot control switch; two upper and lower step platforms are arranged on two sides of the middle platform.
The beneficial effects of the utility model are as follows: because the protection glove box separates two accommodating cavities, the upper half accommodating cavity is used for transporting and placing the waste radioactive pollution metal parts of the nuclear power plant, and then the metal parts are sheared by manual hydraulic shearing by an operator; the steel drum is placed in the lower half cavity and used for storing the crushed polluted metal parts, so that the crushing action of the polluted metal parts is separated from the steel drum storage and transportation action, a shearing operator and a steel drum transportation operator are separated for operation, and the whole protection glove box is tightly sealed, so that the personnel in the whole operation process are very safe. Further, the exhaust port, the exhaust pipe and the exhaust fan on the top plate can enable pollutant particles generated by shearing pollutant metal pieces to be timely discharged from the upper half cavity, so that secondary pollution is avoided.
Drawings
The shearing device for the waste radioactive pollution metal pieces in the nuclear power plant is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of a shearing device for waste radioactive contaminated metallic members in a nuclear power plant in an embodiment.
Fig. 2 is a longitudinal sectional view of the shield glove box 1 detached in fig. 1.
Fig. 3 is another longitudinal sectional view of the protection glove box 1 detached in fig. 1.
Detailed Description
Examples
The shearing device for the waste radioactive pollution metal parts of the nuclear power plant in the embodiment comprises a protection glove box 1, a matched operating workbench 2, a feeding conveyor 3 and a controller 4 as shown in fig. 1.
As shown in fig. 2 and 3, the protection glove box 1 is partitioned into a box body of an upper half chamber 1-1 and a lower half chamber 1-2, and the upper half chamber 1-1 has four front upper side panels 5, a rear upper side panel 6, an upper left side panel 7, an upper right side panel 8, and a top panel 9. The lower half chamber 1-2 of the glove box 1 has four front lower side panels 10, rear lower side panels 11, left lower side panel 12, right lower side panel 13 and bottom panel 14. The front upper side panel 5 is provided with a hand protection sleeve hole 15, and the inner wall of the top plate 9 is hung with a manual hydraulic shear 27. A channel 16 close to the glove hole 15 and a supporting plate 17 extending obliquely upwards from the channel 16 to the rear upper side panel 6 are arranged in the upper half cavity 1-1 of the protective glove box 1, and a putting hole 18 and a flip cover 19 matched with the putting hole 18 are formed in the supporting plate 17. The base plate 14 is provided with a base 20 for placing the steel drum. An in-box conveyor 21 is provided in the channel 16. After the steel drum 22 is placed on the base 20 of the lower half cavity 1-2, the putting hole 18 is opposite to the upper opening of the steel drum 22. The inner wall of the top plate 9 is provided with a sliding rail 28, the upper end of the manual hydraulic shear 27 is connected with a hanging rope 29, and one end of the hanging rope 29 is provided with a roller matched with the sliding rail 28. An exhaust port is also formed in the top plate 9, and an exhaust pipe 30 and an exhaust fan are arranged at the exhaust port. The hanging rope 29 is typically a wire rope. The rear lower panel 11 is provided with a door for the entry and exit of the steel drum 22. The flip cover 19 can be opened by controlling the flip by a hydraulic mechanism. The front upper side panel 5, the front lower side panel 10 and the top plate 9 are each provided with a shielding lead plate.
As shown in fig. 1, the upper left panel 7 is provided with a feed door opening 23 and a sealing door 24, but the feed door opening 23 and the sealing door 24 may be provided on the upper right panel 8. The feeding conveyor 3 is located at one side of the feeding door opening 23 of the protection glove box 1, a first lifter 25 is arranged at the bottom of the feeding conveyor 3, when the feeding conveyor 3 is driven to ascend by the first lifter 25, a conveying belt 26 of the feeding conveyor 3 is flush with the in-box conveying belt 21, and the conveying belt 26 and the in-box conveying belt 21 are close to each other. A light curtain switch is installed at the side of the sealing door 24 to detect whether the lower part of the sealing door 24 is blocked by objects when the sealing door is closed by descending. The sealing door 24 may be controlled to open and close by a hydraulic or pneumatic mechanism.
As shown in fig. 1, the operation table 2 is divided into three blocks, the middle block is a middle platform on which an operator stands, a second lifter 31 is arranged at the bottom of the middle platform, and a foot control switch 32 is arranged on the middle platform. On both sides of the intermediate platform are two up-and-down step platforms 33 for the operator to operate the table 2 up and down.
The device operation of this embodiment is used as follows:
in the first step, the upper barrel, an empty steel barrel 22 is put on the base 20 in the lower half cavity 1-2 of the protection glove box 1 from the door opening of the rear lower side panel 11 by using an electric barrel holding vehicle.
And secondly, detecting whether the steel drum 22 is in place, namely, whether the upper opening of the steel drum 22 is aligned with the putting hole 18, and carrying out the next step when a drum in place signal is acquired, otherwise, adjusting the drum position.
And thirdly, feeding, namely placing the nuclear power plant waste radioactive pollution metal parts on a conveying belt 26 of the feeding conveyor 3, starting the first lifter 2 to lift the feeding conveyor 3 by using the controller 4, opening a sealing door 24 by using the controller 4 through a hydraulic or pneumatic mechanism when the conveying belt 26 of the feeding conveyor 3 is flush with and close to the in-box conveying belt 21, starting the conveying belt 26 of the feeding conveyor 3 to convey the nuclear power plant waste radioactive pollution metal parts onto the in-box conveying belt 21 of the upper half accommodating cavity 1-1 in the protection glove box 1, and controlling a pedal control switch 32 to start the in-box conveying belt 21 to convey the pollution metal parts to a position convenient for manual cutting operation.
Fourth, the controller 4 closes the sealing door 24 by a hydraulic or pneumatic mechanism.
And fifthly, starting an exhaust fan by using a controller 4 to enable the upper half cavity 1 in the protection glove box 1 to be in a micro negative pressure state.
And step six, an operator stands on the middle platform, the hand stretches into the glove hole 15, the manual hydraulic shear 27 is grasped to pull down, and the hydraulic shear 27 is started through the controller 4 to carry out the process on the waste radioactive pollution metal parts of the nuclear power plant.
Seventh, the controller 4 opens the flip cover 19 by a hydraulic mechanism.
Eighth, the operator drops the sheared scrap contaminated metal from the drop hole 18 into the empty steel drum 22.
And ninth, after the steel drum 22 is filled with the sheared and crushed and polluted metal pieces, the controller 4 is used for closing the flip cover 19 through a hydraulic mechanism.
And tenth step, the barrel unloading-holding trolley takes the steel barrel 22 fully loaded with the crushed and polluted metal pieces out of the door of the rear lower side panel 11.
The above description is only of the preferred embodiments of the present utility model, but the present utility model is not limited thereto. All equivalents and modifications of the concept according to the utility model and the technical solutions thereof are intended to be covered by the scope of the utility model.
Claims (6)
1. The utility model provides a nuclear power plant abandonment radioactive contamination metalwork shearing mechanism, includes protection glove box and supporting operation workstation, feeding conveyer, controller, its characterized in that protection glove box separates and has first half appearance chamber and lower half appearance chamber, first half appearance chamber has four preceding, back, left and right upper side panel and roof, lower half appearance chamber has four preceding, back, left and right lower side panel and bottom plate, set up on the preceding upper side panel and prevent hand guard trepanning, the hanging is equipped with manual hydraulic shear in the roof, be provided with in the first half appearance intracavity and be close to prevent hand guard trepanning's channel and follow the layer board that extends to from the channel back upper side panel, be provided with the incasement conveyer belt in the channel, open on the layer board and be used for with throwing in hole complex base, back lower side panel has seted up the flip that is used for the steel drum business turn over, the opening of throwing in hole and steel drum is relative, left or right upper side panel and side panel are equipped with and prevent hand guard trepanned, a left side upper side panel and a conveyer, a side conveyer is close to feeding gate and a conveyer, a side conveyer is located the feeding gate is close to the feeding conveyer, a side is opened to the feeding conveyer.
2. A shearing apparatus as recited in claim 1, wherein: a sliding rail is arranged on the inner wall of the top plate, and a roller matched with the sliding rail is arranged at one end of a hanging rope connected with the upper end of the manual hydraulic shear; and the top plate is also provided with an exhaust port, and an exhaust pipe and an exhaust fan are arranged at the exhaust port.
3. A shearing apparatus as recited in claim 1, wherein: the front upper side panel, the front lower side panel and the top plate are all provided with shielding lead plates.
4. A shearing apparatus as recited in claim 1, wherein: the tray extends obliquely upward from the channel to the rear upper side panel.
5. A shearing apparatus as recited in claim 1, wherein: the side part of the sealing door is provided with a light curtain switch, and the sealing door is controlled to be opened and closed by a hydraulic or pneumatic mechanism.
6. A shearing apparatus as recited in claim 1, wherein: the operation workbench is divided into three pieces, the middle piece is a middle platform on which an operator stands, the bottom of the middle platform is provided with a second lifter, and the middle platform is provided with a foot control switch; two upper and lower step platforms are arranged on two sides of the middle platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321416793.6U CN220313398U (en) | 2023-06-05 | 2023-06-05 | Nuclear power plant waste radioactive pollution metalwork shearing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321416793.6U CN220313398U (en) | 2023-06-05 | 2023-06-05 | Nuclear power plant waste radioactive pollution metalwork shearing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220313398U true CN220313398U (en) | 2024-01-09 |
Family
ID=89411857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321416793.6U Active CN220313398U (en) | 2023-06-05 | 2023-06-05 | Nuclear power plant waste radioactive pollution metalwork shearing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220313398U (en) |
-
2023
- 2023-06-05 CN CN202321416793.6U patent/CN220313398U/en active Active
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