CN211613668U - Laser ablation decontamination plant - Google Patents

Laser ablation decontamination plant Download PDF

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Publication number
CN211613668U
CN211613668U CN201922346673.3U CN201922346673U CN211613668U CN 211613668 U CN211613668 U CN 211613668U CN 201922346673 U CN201922346673 U CN 201922346673U CN 211613668 U CN211613668 U CN 211613668U
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China
Prior art keywords
fixed plate
ablation
decontamination
laser
fixedly connected
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CN201922346673.3U
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Chinese (zh)
Inventor
王春明
罗醒
张威
王军
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Wuhan Sky Laser Tech Co ltd
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Wuhan Sky Laser Tech Co ltd
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Abstract

The utility model belongs to the technical field of nuclear facilities decontamination plant technique and specifically relates to a laser ablation decontamination plant, including the laser host computer, the operation panel rack, the focus system, the cantilever crane, the smoke and dust clarifier, manipulator and bottom plate, the focus system is including ablating first shell and ablating the first subassembly, ablation first shell fixed connection is on the bottom plate upper surface, it sets up inside ablation first shell to ablate the first subassembly, it includes first fixed plate and second fixed plate to ablate the first subassembly, first fixed plate and second fixed plate are equallyd divide do fixed connection on ablating first shell inner wall, go back a plurality of optic fibre isolation head of fixedly connected with on first fixed plate and the second fixed plate, first fixed plate and second fixed plate below a plurality of field lens of fixedly connected with. The laser ablation decontamination device can effectively eliminate secondary pollution generated by the traditional contact decontamination method, and overcomes the defects of certain limitations in the aspects of complex surface decontamination, remote decontamination, non-aqueous medium decontamination and the like.

Description

Laser ablation decontamination plant
Technical Field
The utility model relates to a nuclear facility decontamination plant technical field especially relates to a laser ablation decontamination plant.
Background
Nuclear contamination refers primarily to the deposition of radioactive elements or compounds in a radioactive contamination medium or gas, chemically, physically, or otherwise, on the surfaces of systems, components, or structures of a nuclear facility. When a nuclear facility comes out of service, an important step is to decontaminate the system and equipment to reduce the exposure dose to the personnel for disassembly and disassembly. Currently, the decontamination methods of nuclear facilities are mainly divided into chemical decontamination and physical decontamination. The chemical decontamination comprises a foam method, a chemical gel method, an oxidation-reduction treatment method and the like, and the main principle is that a chemical decontaminating agent is used for dissolving oil stains and oxidation films on the surfaces of polluted equipment, parts and materials so as to remove radionuclide adhered in the oil stains and the oxidation films and achieve the decontamination purpose; but easily generate a plurality of new wastes, waste liquids and the like. Physical methods include high pressure water jet methods, ultrasonic decontamination methods, brushing and scrubbing techniques, and the like. These conventional chemical and physical contact decontamination processes generate a certain amount of secondary contaminants and have limitations in the decontamination of complex surfaces, remote decontamination, and the decontamination of non-aqueous media.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems that the prior contact decontamination method in the prior art generates secondary pollution and has certain limitation in the aspects of complex surface decontamination, remote decontamination, non-aqueous medium decontamination and the like, and providing a laser ablation decontamination device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a laser ablation decontamination device is designed, comprising a laser host, an operation table cabinet, a focusing system, a cantilever crane, a smoke purifier, a manipulator and a bottom plate, wherein the laser host, the operation table cabinet, the focusing system, the cantilever crane, the smoke purifier and the manipulator are respectively arranged on the upper surface of the bottom plate, the focusing system comprises an ablation head shell and an ablation head component, the ablation head shell is fixedly connected on the upper surface of the bottom plate, the ablation head component is arranged in the ablation head shell, the ablation head component comprises a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate are respectively and fixedly connected on the inner wall of the ablation head shell, the first fixing plate and the second fixing plate are fixedly connected together in a mutually vertical direction, and a plurality of dust suction pipe orifices are fixedly connected on the first fixing plate and the second fixing plate, the first fixed plate with go back a plurality of optical fiber isolation head of fixedly connected with on the second fixed plate, first fixed plate with a plurality of field lens of fixedly connected with in second fixed plate below, and a plurality of the field lens is equallyd divide and is do not set up a plurality of the below of optical fiber isolation head.
Preferably, the specific number of the plurality of optical fiber isolation heads and the specific number of the plurality of field lenses are 3.
Preferably, the optical fiber isolation heads and the field lenses are arranged in a delta-shaped layout.
Preferably, the specific number of the plurality of dust suction nozzles is 2.
Preferably, the field lens is a large-format field lens, the focal length of the field lens is 255mm, the scanning range is 160 × 160mm, and the diameter of the focused light spot is 24 μm.
The utility model provides a pair of laser ablation decontamination plant, beneficial effect lies in: the laser ablation decontamination device carries out decontamination by adopting a mode of focusing a laser beam on the surface of a to-be-decontaminated body, thereby effectively eliminating secondary pollution generated by the traditional contact decontamination method and effectively overcoming the defects of certain limitations in the aspects of complicated surface decontamination, remote decontamination, non-aqueous medium decontamination and the like.
Drawings
Fig. 1 is a schematic structural diagram of a laser ablation decontamination device according to the present invention.
FIG. 2 is a schematic view of the delta-shaped configuration of the ablation head assembly of FIG. 1.
FIG. 3 is a schematic view of a linear configuration of the ablation head assembly of FIG. 1.
In the figure: the device comprises a laser host 1, an operation table cabinet 2, a focusing system 3, a cantilever crane 4, a smoke purifier 5, a manipulator 6, an ablation head assembly 7, an ablation head shell 8, a first fixing plate 9, a second fixing plate 10, a dust suction pipe orifice 11, an optical fiber isolation head 12, a field lens 13 and a bottom plate 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a laser ablation decontamination device comprises a laser host 1, an operation platform cabinet 2, a focusing system 3, a cantilever crane 4, a smoke purifier 5, a manipulator 6 and a bottom plate 14, wherein the laser host 1, the operation platform cabinet 2, the focusing system 3 and the cantilever crane 4, the smoke purifier 5 and the manipulator 6 are respectively arranged on the upper surface of the bottom plate 14, the decontamination device in the design is composed of a laser host, an operation table cabinet, a focusing system and a cantilever crane, an electric control plate, three laser generators and a water chiller are arranged in the laser host from top to bottom, an intelligent air conditioner is arranged on the side face of the laser host, an industrial personal computer, a display, a visual identification controller and a control circuit board are integrally arranged on the operation table cabinet, the industrial personal computer in the operation table cabinet is provided with three sets of laser control cards controlled by the same laser software EzCad2, and the focusing system comprises three sets of vibrating mirrors and an ablation head consisting of three sets of field mirrors.
Three lasers of the laser host 1 are pulse lasers, the laser type is a nanosecond pulse laser, the average laser power is 350W, the adjustable pulse width is 8-500 ns, the laser repetition frequency is 1-4000 kHz, the laser spot diameter is 6 +/-0.5 mm, and the pulse energy is 1.5 mJ.
The industrial personal computer of the operation panel cabinet 2 completes two working modes by operating EzCad2 software: the laser software provides a parameter selection port for the calling of motion control software, namely, laser parameters can be automatically called and modified in the motion process of the manipulator, and manual operation is reduced.
The focusing system 3 comprises an ablation head shell 8 and an ablation head assembly 7, the ablation head shell 8 is fixedly connected on the upper surface of a base plate 14, the ablation head assembly 7 is arranged inside the ablation head shell 8, the ablation head assembly 7 comprises a first fixing plate 9 and a second fixing plate 10, the first fixing plate 9 and the second fixing plate 10 are respectively fixedly connected on the inner wall of the ablation head shell 8, the first fixing plate 9 and the second fixing plate 10 are fixedly connected together in a mutually vertical direction, the first fixing plate 9 and the second fixing plate 10 are fixedly connected with a plurality of dust suction pipe orifices 11, the specific number of the dust suction pipe orifices 11 is 2, the corrugated pipe is wrapped outside the optical fiber cable, the electric wire and the air suction pipe of the smoke dust purifier 5 in the decontamination device, is fixedly connected to an ablation head and two dust suction nozzles 11 which are arranged on a front end fixing plate of the mechanical arm 6 through a cantilever crane 4.
The optical fiber cleaning device is characterized in that a plurality of optical fiber isolation heads 12 are fixedly connected to the first fixing plate 9 and the second fixing plate 10, a plurality of field lenses 13 are fixedly connected to the lower portions of the first fixing plate 9 and the second fixing plate 10, the ablation heads of the focusing system 3 are mounted on the first fixing plate 9 and the second fixing plate 10, pins are mounted on the first fixing plate 9 and the second fixing plate 10, it is guaranteed that focal planes of the 3 field lenses 13 are consistent, 6 screws on the upper back portions of the optical fiber isolation heads 12 of the ablation heads are mounted in a shifting mode, and the conversion of the linear and triangular layouts of the ablation heads is completed.
The field lens 13 is a large-format field lens, the focal length of the field lens 13 is 255mm, the scanning range is 160 x 160mm, the diameter of the focusing light spot is 24 μm, and a plurality of field lenses 13 are respectively arranged below a plurality of optical fiber isolation heads 12, the specific number of the optical fiber isolation heads 12 and the field lenses 13 is 3, the optical fiber isolation heads 12 and the field lenses 13 are arranged in a triangle shape, the focusing system 3 can realize that laser beams reach a holophote from direct incidence of the isolation heads and reach a galvanometer through total reflection of 90 degrees, X, Y double-shaft motors on the galvanometer swing at high speed to reflect the beams to the field lenses 13, and the field lenses 13 directly act on workpieces after being focused, the galvanometer is of a compact water cooling structure, the heat influence of the galvanometer caused by long-term use is reduced, the scanning angle of the galvanometer is +/-20 degrees, the repetition precision is 1.8urad, and the long-term drift is less than 100 urad.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. A laser ablation decontamination device comprises a laser host (1), an operation platform cabinet (2), a focusing system (3), a cantilever crane (4), a smoke purifier (5), a manipulator (6) and a bottom plate (14), wherein the laser host (1), the operation platform cabinet (2), the focusing system (3), the cantilever crane (4), the smoke purifier (5) and the manipulator (6) are respectively arranged on the upper surface of the bottom plate (14), the laser ablation decontamination device is characterized in that the focusing system (3) comprises an ablation head shell (8) and an ablation head component (7), the ablation head shell (8) is fixedly connected on the upper surface of the bottom plate (14), the ablation head component (7) is arranged in the ablation head shell (8), and the ablation head component (7) comprises a first fixing plate (9) and a second fixing plate (10), first fixed plate (9) with second fixed plate (10) are equallyd divide do fixed connection in on ablation head shell (8) inner wall, just first fixed plate (9) with be in the same place for mutually perpendicular orientation ground fixed connection between second fixed plate (10), first fixed plate (9) with a plurality of dust absorption mouth of pipe (11) of fixedly connected with on second fixed plate (10), first fixed plate (9) with head (12) is kept apart to a plurality of optical fiber of fixedly connected with on second fixed plate (10), first fixed plate (9) with a plurality of field lens (13) of second fixed plate (10) below fixedly connected with, and a plurality of field lens (13) are equallyd divide and are do not set up in a plurality of the below of head (12) is kept apart to optical fiber.
2. A laser ablation decontamination device according to claim 1, wherein the specific number of said fiber optic isolation heads (12) and said field lens (13) is 3.
3. A laser ablation decontamination device according to claim 1, wherein a plurality of said fiber optic isolation heads (12) and a plurality of said field lenses (13) are arranged in a delta configuration.
4. A laser ablation decontamination device according to claim 1, wherein the specific number of said plurality of suction nozzles (11) is 2.
5. The laser ablation decontamination device of claim 1, wherein the field lens (13) is a large-format field lens, and the focal length of the field lens (13) is 255mm, the scanning range is 160 x 160mm, and the focused light spot diameter is 24 μm.
CN201922346673.3U 2019-12-24 2019-12-24 Laser ablation decontamination plant Active CN211613668U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922346673.3U CN211613668U (en) 2019-12-24 2019-12-24 Laser ablation decontamination plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922346673.3U CN211613668U (en) 2019-12-24 2019-12-24 Laser ablation decontamination plant

Publications (1)

Publication Number Publication Date
CN211613668U true CN211613668U (en) 2020-10-02

Family

ID=72631469

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922346673.3U Active CN211613668U (en) 2019-12-24 2019-12-24 Laser ablation decontamination plant

Country Status (1)

Country Link
CN (1) CN211613668U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A laser ablation decontamination device

Effective date of registration: 20220920

Granted publication date: 20201002

Pledgee: Agricultural Bank of China Limited Hubei pilot Free Trade Zone Wuhan Area Branch

Pledgor: WUHAN XIANGMING LASER TECHNOLOGY CO.,LTD.

Registration number: Y2022420000301

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20231031

Granted publication date: 20201002

Pledgee: Agricultural Bank of China Limited Hubei pilot Free Trade Zone Wuhan Area Branch

Pledgor: WUHAN XIANGMING LASER TECHNOLOGY CO.,LTD.

Registration number: Y2022420000301

PC01 Cancellation of the registration of the contract for pledge of patent right