CN107009135B - Equipment and method for disassembling low-radioactivity folding type waste filter - Google Patents
Equipment and method for disassembling low-radioactivity folding type waste filter Download PDFInfo
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- CN107009135B CN107009135B CN201710392588.3A CN201710392588A CN107009135B CN 107009135 B CN107009135 B CN 107009135B CN 201710392588 A CN201710392588 A CN 201710392588A CN 107009135 B CN107009135 B CN 107009135B
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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Abstract
The invention discloses equipment and a method for disassembling a low-radioactivity folding type waste filter. The invention is that the folding waste filter to be disassembled is put into the disassembling system, after the outer package is disassembled, the two ends of two longitudinal beams in the rectangular frame metal shell of the folding waste filter are transversely cut and separated into front and rear end beams by the shell cutting machine, the core cutting machine is used for linearly cutting and separating the core of the filter element along the joint seam of the inner sides of the two longitudinal beams in the rectangular frame metal shell of the folding waste filter and the core of the filter element, finally the disassembled metal shell is heated by the tunnel oven to change the caking property of the attached colloid, and the separation of the colloid and the metal shell is realized by the electric shovel colloid in the shovel colloid negative pressure ventilation cabinet. The invention can disassemble the folding waste filter before waste treatment, realizes material classification between metal and nonmetal, and has the advantages of high automation degree, high efficiency, safety, energy conservation, environmental protection and the like.
Description
Technical Field
The present invention relates to an apparatus and method for disassembling spent low-radioactivity pleated filters for decommissioning in nuclear air and gas processing systems, and more particularly, primarily for specific activities less than or equal to 4 x 10 6 Bq/kg (GB 9133-1995, i.e. radioactive solid waste class I) folding waste filter before waste treatment is disassembled and materials are sorted.
Background
According to the national development of clean nuclear energy, the long-term planning of the nuclear industry is expanded, and along with the rapid development of nuclear power technology, the filter used as a filter installed in nuclear facilities, particularly the low-radioactivity waste filter, is continuously retired and accumulated in a large amount. For the low-radioactivity waste circular filter, the domestic nuclear industry unit simply packages the radioactive waste circular filter and stores the radioactive waste circular filter in a 200L standard waste barrel, one standard R series circular filter (the external dimension: phi 518 multiplied by 624) only can be used for containing one circular filter in one standard waste barrel, the storage volume is large, and a large storage space is occupied. In addition, according to the introduction, a 200L standard trash can with an R series round filter requires 7 ten thousand dollars to be disposed of, which is expensive. Aiming at the structural characteristics of the low-radioactivity waste circular filter, the development of equipment and a method for disassembling the low-radioactivity folding waste filter is urgently needed so as to realize the classified treatment of materials before waste treatment.
Disclosure of Invention
The present invention is directed to the above-described deficiencies of the prior art and provides an apparatus and method for disassembling spent low-emissivity pleated filters for nuclear air and gas processing systems. The invention can disassemble the folding waste filter before waste treatment, realizes material classification between metal and nonmetal, and has the advantages of high automation degree, high efficiency, safety, energy conservation, environmental protection and the like.
The object of the invention can be achieved by the following technical measures:
the equipment for disassembling the low-radioactivity folding type waste filter comprises an external packing negative pressure ventilation cabinet, a disassembling negative pressure ventilation cabinet, a tunnel type drying oven, a glue shoveling negative pressure ventilation cabinet, a ventilation system, an illumination system and a control system, wherein the external packing negative pressure ventilation cabinet, the disassembling negative pressure ventilation cabinet, the tunnel type drying oven and the glue shoveling negative pressure ventilation cabinet are sequentially connected end to end in a linear arrangement, the inner cavities of the external packing negative pressure ventilation cabinet are communicated, and the inlet and the outlet of the external packing negative pressure ventilation cabinet are intermittently sealed through isolation doors respectively; the left side wall of each fume hood is provided with a closed door with a push-pull structure, and the top wall of each fume hood is provided with a lighting lamp and an air volume regulating valve (each negative pressure fume hood can be kept in a micro-negative pressure state through the air volume regulating valve; a material inlet and an opening and closing door are arranged on the front end cabinet wall of the external packing negative pressure ventilation cabinet; a horizontal longitudinal guide rail for transporting the tray to move forwards and backwards is arranged in the center of the bottom surface of the cavity of the disassembled negative pressure ventilation cabinet, a negative pressure dust removal port is formed in the bottom surface of the middle cavity on the left outer side of the horizontal longitudinal guide rail, a core body blanking port is formed in the bottom surface of the rear end cavity on the left outer side of the horizontal longitudinal guide rail, a vertical frame stretching over the horizontal longitudinal guide rail is arranged on the bottom surface of the middle cavity in a seat mode, a vertically lifting shell cutting machine is hung on the left side and the right side of the front end portion of the vertical frame in a symmetrical mode respectively, and a fixed core body cutting machine is hung in the middle position of the rear end portion of the vertical frame; the bottom parts of the two shell cutting machines are transversely provided with a disc-shaped cutting blade, and the center distance between the two disc-shaped cutting blades is consistent with the center distance between two longitudinal beams in the rectangular frame-type metal shell of the folding waste filter to be cut; symmetrically mounting a strip-shaped blade with the bottom inclined forwards on the left side and the right side of the core body cutting machine, wherein the distance between the two strip-shaped blades is consistent with the net distance between the inner sides of two longitudinal beams in a rectangular frame type metal shell of the folding waste filter to be cut; the periphery of the peripheral side wall of the transfer tray is a blanking clamping cavity which is defined by an extension bottom plate and side baffles, the peripheral side baffles are provided with clamping devices, and the bottoms of the outer side surfaces of the side baffles at the front end and the rear end are provided with lifting cylinders; an ash removing opening is formed in the tunnel type drying oven; and a glue shoveling tool is arranged in the glue shoveling negative pressure ventilation cabinet.
The transfer tray realizes back and forth translation (stable transfer and accurate positioning to a required cutting station under the matching action of a PLC program in a control system and a corresponding proximity switch) by driving a screw rod to rotate through a servo motor, so that the sizes of all filters after being disassembled are the same.
The closed door arranged on the left side wall of the disassembled negative pressure ventilation cabinet is a duplex sealing door and is in linkage control with the shell cutting machine and the core body cutting machine (the closed door is matched with the isolation door to form a closed inner cavity, a clean negative pressure operation space can be formed after the ventilation system is switched on in the disassembling process of the folding waste filter, and the operation safety is improved).
The clamping device is driven by a clamping cylinder, and the type of the clamping cylinder is XY01.
The negative pressure dust removal port is connected with an external ventilation system through a quick connector (so that the inner cavity of the disassembled negative pressure ventilation cabinet is kept clean).
The glue shoveling tool is an electric shovel knife, and is of the type of an electric shovel knife CJ (the electric shovel knife can realize the separation of the sealant and the metal shell, and is good in glue shoveling effect and high in efficiency).
The tunnel type oven is SDHX.
The method for disassembling the low-radioactivity folding type waste filter comprises the following steps:
A. micro negative pressure starting: and (3) closing all the sealing doors, starting a ventilation system and a lighting system which are matched with each other (namely starting an air quantity regulating valve, connecting the negative pressure dust removal port with the ventilation system by using a quick connector, and opening a lighting lamp and a system power supply) to enable inner cavities of the external packaging negative pressure ventilation cabinet, the disassembled negative pressure ventilation cabinet, the tunnel type drying oven and the glue shoveling negative pressure ventilation cabinet to be in a micro negative pressure state.
B. Dismantling the outer package: loading a folding waste filter to be disassembled from a material inlet on the cabinet wall at the front end of the outer package negative pressure ventilation cabinet, and closing an opening and closing door in time; then, the sealing door on the left side wall of the outer package negative pressure ventilation cabinet is opened, the outer package and the sealing strip of the folding type waste filter are removed, and then the sealing door is closed.
C. The rear end of transport tray reachs first cutting station: opening an isolation door between an outlet of the external packing negative pressure ventilation cabinet and an inlet of the disassembled negative pressure ventilation cabinet, placing the folded waste filter after the external packing is disassembled on a transfer tray, starting clamping devices arranged on side baffles at the periphery of the transfer tray, and relatively horizontally moving inwards under the driving of respective corresponding clamping cylinders to clamp the periphery of a metal shell of the folded waste filter; subsequently closing the isolation door; the transport tray carries the folding waste filter to be cut, and the folding waste filter to be cut is driven by the servo motor and the lead screw to be translated from front to back along the horizontal longitudinal guide rail to a first cutting station which is positioned right below the two shell cutting machines, namely, the combination parts of the rear ends of the two longitudinal beams and the rear end cross beam in the rectangular frame type metal shell of the folding waste filter to be cut are respectively positioned right below the disc-shaped cutting sheets in the two shell cutting machines.
D. Transverse cutting the rear end of the longitudinal beam and separating out a rear end cross beam: firstly, starting a shell cutting machine to vertically fall and a disc-shaped cutting blade to rotate, and enabling the disc-shaped cutting blade to rotate and move downwards; when the disc-shaped cutting blade approaches the joint of the rear ends of the two longitudinal beams and the rear end cross beam in the metal shell, the connection between the rear ends of the longitudinal beams and the rear end cross beam is transversely cut off, and only the rear end cross beam connected with the rear ends of the longitudinal beams is separated from the metal shell; starting a lifting cylinder at the bottom of the outer surface of the baffle at the rear end side of the transfer tray, wherein the lifting cylinder drives the baffle at the rear end side to clamp the separated rear end beam and vertically slide down into the blanking clamping cavity; then, the housing cutter is started to move up to return to the original state.
E. The front end of transporting the tray reachs first cutting station: and controlling the transfer tray to continuously move backwards along the horizontal longitudinal guide rail until the joint parts of the front ends of the two longitudinal beams and the front end cross beam in the metal shell of the folding type waste filter are respectively positioned under the two disc-shaped cutting sheets.
F. Transversely cutting the front end of the longitudinal beam and separating out a front end cross beam: starting the shell cutting machine to vertically descend and the disc-shaped cutting blade to rotate again, and enabling the disc-shaped cutting blade to rotate and move downwards simultaneously; when the disc-shaped cutting blade approaches the joint of the front ends of the two longitudinal beams and the front end cross beam in the metal shell, the connection between the front ends of the longitudinal beams and the front end cross beam is transversely cut off, and only the front end cross beam connected with the front ends of the longitudinal beams is separated from the metal shell; starting a lifting cylinder at the bottom of the outer surface of the front side baffle of the transfer tray, wherein the lifting cylinder drives the front side baffle to clamp the separated front end cross beam and vertically slide down to the blanking clamping cavity; then, the housing cutter is started to move up to return to the original state.
G. Longitudinally cutting the longitudinal beam and separating out a filter element core body: after the rear end beam and the front end beam are cut, controlling the transfer tray to continue to move backwards along the horizontal longitudinal guide rail, and when the transfer tray passes below a core body cutting machine fixed at the middle position of the rear end part of the stand in the backward moving process, respectively carrying out linear cutting on two strip-shaped blades on the core body cutting machine along the inner side of a longitudinal beam of a metal shell in the folding waste filter and a joint seam of a filter core body, wherein the filter core body is separated from the two longitudinal beams in the metal shell; after cutting, starting a swing arm cylinder on the core body cutting machine, and drawing the core body into a corner-shaped drawing wall and fixing the core body; then, the filter core is transferred to the core blanking mouth of disassembling the bottom surface of the rear end cavity on the left side of the negative pressure ventilation cabinet manually and falls into the waste barrel connected with the bottom automatically, so that the filter core is recycled and conveyed to the subsequent compression volume reduction treatment process after being filled with the filter core.
H. Transferring the disassembled metal shell: resetting the clamping device; opening and disassembling a duplex sealing door on the left side wall of the negative pressure ventilation cabinet, taking out the two longitudinal beams scattered on the transfer tray after the metal shell is disassembled and the front and rear cross beams scattered in the blanking clamping cavity, and transferring the metal shell into a tunnel type drying oven; then, the transfer tray is reset.
I. Heating the metal shell: in the tunnel type oven, the caking property of the colloid attached to the longitudinal beam and the cross beam after the metal shell is disassembled is changed in a heating mode, so that the material classification is facilitated.
J. Shoveling glue: transferring the heated longitudinal beam and the heated cross beam to a glue shoveling negative pressure ventilation cabinet, shoveling the glue adhered to the surfaces of the longitudinal beam and the cross beam by using an electric shovel blade, and completely separating the disassembled metal shell from the glue at the moment; open the sealing door of shovel gluey negative pressure fume chamber, the colloid residue that shovels down falls to the waste drum that the bottom meets through the deashing mouth in, the metal casing of state of disintegrating takes out from sealing door after the degumming, classifies packing, transports.
The temperature of the inner cavity of the tunnel type oven box is constant, and the working temperature is constant at 115-125 ℃.
The folding waste filter is a solid radioactive waste I stage: specific activity of 4X 10 or less 6 Bq/kg。
The principle of the invention is as follows:
the invention relates to equipment and a method for disassembling a retired low-radioactivity folding type waste filter. The invention is that the folding waste filter to be disassembled is arranged in a disassembling system which is composed of an external packing negative pressure ventilation cabinet, a disassembling negative pressure ventilation cabinet, a tunnel type oven, a glue shoveling negative pressure ventilation cabinet, a ventilation system, an illumination system and a control system; firstly, removing an outer package; then transferring to a first cutting station, and successively transversely cutting the rear ends and the front ends of two longitudinal beams in a rectangular frame type metal shell of the folded waste filter by means of a shell cutting machine, and successively separating a rear end beam and a front end beam; then the filter core body is transferred to a second cutting station to be linearly cut along the joint seam of the inner side of the longitudinal beam of the metal shell and the filter core body, so that the filter core body is separated from the longitudinal beam, namely the separation of the filter core body and the metal shell is realized along with the disassembly and the disintegration of the metal shell, the classified recovery of metal materials and non-metal materials of the folding filter is realized, the filter core body is conveniently and smoothly subjected to later-stage compression volume reduction, and the post-treatment cost is greatly reduced; and finally, the disassembled metal shell is heated by the tunnel type drying oven to change the cohesiveness of the attached colloid, and the colloid is separated from the metal shell by means of the electric shovel colloid in the shovel colloid negative pressure ventilation cabinet, so that the classification treatment of metal materials and non-metal materials is realized.
The invention has the following technical effects:
the invention can disassemble and disintegrate the folding waste filter before waste treatment, realizes the classification of metal materials and non-metal materials, is beneficial to the disassembly and control treatment of the metal materials, is also convenient for the incineration or compression volume reduction of the non-metal materials, and can greatly reduce the post-treatment cost. The whole production line has high automation degree, manual interference is not needed, man-machine isolation is realized, the operation safety is obviously improved, and the labor intensity in the filter disassembly is also greatly reduced. In the whole disassembling system, the sealing door, the isolating door, the air quantity regulating valve, the negative pressure dust removing port and the ventilation system are mutually matched, so that micro negative pressure is kept in the operation cavity, radioactive substances are prevented from leaking, secondary pollution of radioactive dust is avoided, the cleanliness of the interior of the production line is ensured, and the clean surrounding environment is ensured.
Drawings
Fig. 1 is a schematic structural view of the disassembling apparatus of the present invention.
Fig. 2 is a schematic view of the internal structure of a disassembled negative pressure ventilation cabinet.
FIG. 3 is a flow chart of the present invention for disassembly.
The sequence numbers in the figures illustrate: 1. the material import, 2, extranal packing negative pressure fume chamber, 3, isolating gate, 4, disassemble negative pressure fume chamber, 5, illumination lamps and lanterns, 6, air regulation valve, 7, sealing door, 8, tunnel type oven, 9, shovel gluey negative pressure fume chamber, 10, clamping device, 11, transport tray, 12, negative pressure dust removal mouth, 13, grudging post, 14, core cutting machine, 15, lead screw, 16, casing cutting machine, 17, core blanking mouth, 18, servo motor, 19 the switch board.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples:
as shown in fig. 1 and 2, the apparatus for disassembling a low-radioactivity folding type waste filter of the present invention comprises an external packing negative pressure fume hood 2, a disassembly negative pressure fume hood 4, a tunnel type oven 8, a glue shoveling negative pressure fume hood 9, a ventilation system, an illumination system and a control system which are connected end to end in sequence and arranged in a linear shape, the inner cavities of which are communicated, and the inlet and the outlet of which are intermittently sealed through an isolation door 3, respectively; the left side walls of the fume hoods are provided with closed doors 7 with push-pull structures, and the top walls of the fume hoods are provided with lighting lamps 5 and air volume adjusting valves 6 (the negative pressure fume hoods can be kept in a micro-negative pressure state through the air volume adjusting valves 6; the air volume adjusting valves 6 on the top walls of the disassembled negative pressure fume hoods 4 can adjust exhaust air volume according to the state of the duplex type sealed doors, so that the air speed of the operation port surface of the disassembled negative pressure fume hoods 4 is ensured to be 0.8-1 m/s, and secondary pollution caused by radioactive dust leakage is avoided; a material inlet 1 and a switching door are arranged on the front end cabinet wall of the outer package negative pressure ventilation cabinet 2; a horizontal longitudinal guide rail used for moving the tray 11 back and forth in a translational mode is arranged in the center of the bottom surface of the cavity of the disassembly negative pressure ventilation cabinet 4, a negative pressure dust removal opening 12 is formed in the bottom surface of the middle cavity on the left outer side of the horizontal longitudinal guide rail, a core body blanking opening 17 is formed in the bottom surface of the rear end cavity on the left outer side of the horizontal longitudinal guide rail, a vertical frame 13 stretching across the horizontal longitudinal guide rail is arranged on the bottom surface of the middle cavity, a vertically lifting shell body cutting machine 16 is hung on the left side and the right side of the front end portion of the vertical frame 13 in a symmetrical mode respectively, and a fixed core body cutting machine 14 is hung on the middle position of the rear end portion of the vertical frame 13; wherein, a disc-shaped cutting blade is transversely installed at the bottom of each of the two shell cutting machines 16, and the center distance between the two disc-shaped cutting blades is consistent with the center distance between two longitudinal beams in the rectangular frame-type metal shell of the folding waste filter to be cut; symmetrically installing a strip-shaped blade with the bottom inclined forwards on the left side and the right side of the core body cutting machine 14 respectively, wherein the distance between the two strip-shaped blades is consistent with the net distance between the inner sides of two longitudinal beams in a rectangular frame type metal shell of the folding waste filter to be cut; the periphery of the peripheral side wall of the transfer tray 11 is a blanking clamping cavity which is formed by an extension bottom plate and side baffles, the peripheral side baffles are all provided with clamping devices 10, and the bottoms of the outer side surfaces of the side baffles at the front end and the rear end are provided with lifting cylinders; an ash cleaning port is arranged in the tunnel type drying oven 8; a glue shoveling tool is arranged in the glue shoveling negative pressure ventilation cabinet 9.
The transfer tray 11 of the invention drives the screw rod 15 to rotate through the servo motor 18 to realize back and forth translation (the transfer is stable, and the required cutting station is accurately positioned under the matching action of a PLC program in a control system and a corresponding proximity switch, thereby ensuring that the sizes of all filters are the same after being disassembled).
The sealing door 7 arranged on the left side wall of the disassembly negative pressure ventilation cabinet 4 is a duplex sealing door and is in linkage control with the shell cutting machine 16 and the core body cutting machine 14 (the sealing door 7 is matched with the isolation door to form a closed inner cavity, a clean negative pressure operation space can be formed after the ventilation system is switched on in the disassembly process of the folding waste filter, and the operation safety is improved).
The clamping device 10 is driven by a clamping cylinder, and the model of the clamping cylinder is XY01.
The negative pressure dust removal port 12 is connected with an external ventilation system through a quick coupling (so that the inner cavity of the disassembled negative pressure ventilation cabinet 4 is kept clean).
The glue shoveling tool is an electric shovel knife, and is of the type of an electric shovel knife CJ (the electric shovel knife can realize the separation of the sealant and the metal shell, and is good in glue shoveling effect and high in efficiency).
The tunnel type oven 8 is SDHX.
The method for disassembling the low-radioactivity folding type waste filter comprises the following steps:
A. micro negative pressure starting: all the sealing doors 7 are closed, the matched ventilation system and lighting system are started (namely, the air quantity regulating valve 6 is started, the negative pressure dust removal port 12 is connected with the ventilation system by using a quick connector, and the lighting lamp 5 and the system power supply are opened), so that the inner cavities of the outer packaging negative pressure ventilation cabinet 2, the disassembled negative pressure ventilation cabinet 4, the tunnel type oven 8 and the glue shoveling negative pressure ventilation cabinet 9 are all in a micro negative pressure state.
B. Removing the external package: loading a folding waste filter to be disassembled from a material inlet 1 on the cabinet wall at the front end of an outer package negative pressure ventilation cabinet 2, and closing an opening and closing door in time; next, the sealing door 7 on the left side wall of the exterior package negative pressure ventilation cabinet 2 is opened, the exterior package and the sealing tape of the folded type waste filter are removed, and then the sealing door 7 is closed.
C. The rear end of the transfer tray reaches a first cutting station: opening an isolation door 3 between an outlet of an external packing negative pressure ventilation cabinet 2 and an inlet of a disassembled negative pressure ventilation cabinet 4, placing the folded waste filter with the external packing removed on a transfer tray 11, starting clamping devices 10 arranged on side baffles on the periphery of the transfer tray 11, and relatively horizontally moving inwards under the driving of corresponding clamping cylinders respectively to clamp the periphery of a metal shell of the folded waste filter; subsequently closing the isolation door 3; the transport tray 11 carries the folding type waste filter to be cut, and the folding type waste filter to be cut is driven by the servo motor 18 and the lead screw 15 to be translated from front to back along the horizontal longitudinal guide rail to the first cutting station which is positioned right below the two shell body cutting machines 16, namely, the combination parts of the rear ends and the rear end cross beams of the two longitudinal beams in the rectangular frame type metal shell body of the folding type waste filter to be cut are respectively positioned right below the disc-shaped cutting sheets in the two shell body cutting machines 16.
D. Transverse cutting the rear end of the longitudinal beam and separating out a rear end cross beam: firstly, starting the shell cutting machine 16 to vertically fall and the disc-shaped cutting blade to rotate, and moving the disc-shaped cutting blade downwards while rotating; when the disc-shaped cutting blade approaches the joint of the rear ends of the two longitudinal beams and the rear end cross beam in the metal shell, the connection between the rear ends of the longitudinal beams and the rear end cross beam is transversely cut off, and only the rear end cross beam connected with the rear ends of the longitudinal beams is separated from the metal shell; starting a lifting cylinder at the bottom of the outer surface of the rear end side baffle of the transfer tray 11, wherein the lifting cylinder drives the rear end side baffle to clamp the separated rear end cross beam and vertically slide down into the blanking clamping cavity; next, the housing cutter 16 is started to move up to return to the original state.
E. The front end of transporting the tray reachs first cutting station: and controlling the transfer tray 11 to continuously move backwards along the horizontal longitudinal guide rail until the joint parts of the front ends of the two longitudinal beams and the front end cross beam in the metal shell of the folding type waste filter are respectively positioned under the two disc-shaped cutting blades.
F. Transversely cutting the front end of the longitudinal beam and separating out a front end cross beam: starting the shell cutting machine 16 to vertically drop and the disc-shaped cutting blade to rotate again, and enabling the disc-shaped cutting blade to rotate and move downwards; when the disc-shaped cutting blade passes through the joint of the front ends of the two longitudinal beams and the front end cross beam in the metal shell, the connection between the front ends of the longitudinal beams and the front end cross beam is transversely cut off, and only the front end cross beam which is connected with the front ends of the longitudinal beams is separated from the metal shell; starting a lifting cylinder at the bottom of the outer surface of the front end side baffle of the transfer tray 11, wherein the lifting cylinder drives the front end side baffle to clamp the separated front end cross beam and vertically slide down into the blanking clamping cavity; next, the housing cutter 16 is started to move up to return to the original state.
G. Longitudinally cutting the longitudinal beam and separating out a filter element core body: after the rear end beam and the front end beam are cut, controlling the transfer tray 11 to continuously move backwards along the horizontal longitudinal guide rail, and when the transfer tray passes below a core body cutting machine 14 fixed at the middle position of the rear end part of the stand 13 in the backward moving process, linearly cutting two strip-shaped blades on the core body cutting machine 14 along the inner side of a longitudinal beam of a metal shell and a joint seam of a filter core body in the folding waste filter respectively, wherein the filter core body is separated from the two longitudinal beams in the metal shell body; after cutting, starting a swing arm cylinder on the core body cutting machine 14, and folding the core body in the corner-shaped folding wall and fixing the core body; then, the filter core is manually transferred to a core blanking port 17 at the bottom surface of the rear end cavity on the left side of the disassembled negative pressure ventilation cabinet 4 and automatically falls into a waste barrel connected with the bottom, so that the filter core is conveniently recycled and centrally transferred to a subsequent compression volume reduction treatment process after being filled.
H. Transferring the disassembled metal shell: resetting the clamping device 10; opening a duplex sealing door on the left side wall of the disassembled negative pressure ventilation cabinet 4, taking out two longitudinal beams scattered on the transfer tray 11 after the metal shell is disassembled and front and rear cross beams scattered in the blanking clamping cavity, and transferring the two longitudinal beams into the tunnel type drying oven 8; then, the transfer tray 11 is reset.
I. Heating the metal shell: in the tunnel type oven 8, the caking property of the colloid attached to the longitudinal beam and the cross beam after the metal shell is disassembled is changed in a heating mode, so that the material classification is facilitated.
J. Shoveling glue: the heated longitudinal beam and the heated cross beam are transferred to a glue shoveling negative pressure ventilation cabinet 9, glue adhered to the surfaces of the longitudinal beam and the cross beam shells is shoveled by an electric shovel, and the metal shells in a disassembled state are thoroughly separated from the glue; open shovel and glue sealing door 7 of negative pressure fume chamber 9, the colloid residue of shovel falls to the waste bin that the bottom meets through the deashing mouth in, and the metal casing of state of disintegrating takes out from sealing door after removing glue, classifies packing, transports.
The temperature of the inner cavity of the box body of the tunnel type oven 8 is constant, and the working temperature is constant at 115-125 ℃.
The folding waste filter is a solid radioactive waste I stage: specific activity of 4X 10 or less 6 Bq/kg。
Claims (8)
1. The utility model provides an equipment that disassembles foldable useless filter of low radioactivity which characterized in that: the device comprises an outer packing negative pressure ventilation cabinet (2), a disassembly negative pressure ventilation cabinet (4), a tunnel type oven (8), a glue shoveling negative pressure ventilation cabinet (9), a ventilation system, an illumination system and a control system which are sequentially connected end to end and are arranged in a linear shape, inner cavities of the ventilation cabinet are communicated, and an inlet and an outlet of the ventilation cabinet are intermittently sealed through an isolation door (3); the left side wall of each fume hood is provided with a closed door (7) with a push-pull structure, and the top wall of each fume hood is provided with a lighting lamp (5) and an air quantity regulating valve (6); a material inlet (1) and an opening and closing door are arranged on the front end cabinet wall of the outer packaging negative pressure ventilation cabinet (2); a horizontal longitudinal guide rail used for moving a tray (11) back and forth in a translational mode is arranged in the center of the bottom surface of a cavity of the disassembled negative pressure ventilation cabinet (4), a negative pressure dust removing opening (12) is formed in the bottom surface of a middle cavity on the left outer side of the horizontal longitudinal guide rail, a core body blanking opening (17) is formed in the bottom surface of a rear end cavity on the left outer side of the horizontal longitudinal guide rail, a vertical frame (13) stretching across the horizontal longitudinal guide rail is arranged on the bottom surface of the middle cavity, a vertically lifting shell cutting machine (16) is hung on the left side and the right side of the front end portion of the vertical frame (13) in a symmetrical mode respectively, and a fixed core body cutting machine (14) is hung in the middle position of the rear end portion of the vertical frame (13); wherein, the bottoms of the two shell cutting machines (16) are respectively and transversely provided with a disc-shaped cutting blade, and the center distance between the two disc-shaped cutting blades is consistent with the center distance between two longitudinal beams in the rectangular frame type metal shell of the folding waste filter to be cut; the left side and the right side of the core body cutting machine (14) are respectively and symmetrically provided with a strip-shaped blade with the bottom inclined forwards, and the distance between the two strip-shaped blades is consistent with the net distance between the inner sides of two longitudinal beams in a rectangular frame type metal shell of the folding waste filter to be cut; the periphery of the peripheral side wall of the transfer tray (11) is provided with a blanking clamping cavity which is formed by an extension bottom plate and side baffles, the peripheral side baffles are provided with clamping devices (10), and the bottoms of the outer side surfaces of the side baffles at the front end and the rear end are provided with lifting cylinders; an ash cleaning opening is arranged in the tunnel type drying oven (8); a glue shoveling tool is arranged in the glue shoveling negative pressure ventilation cabinet (9); the transfer tray (11) drives a lead screw (15) to rotate through a servo motor (18) to realize back and forth reciprocating translation; the sealing door (7) arranged on the left side wall of the disassembled negative pressure ventilation cabinet (4) is a duplex sealing door and is in linkage control with the shell cutting machine (16) and the core body cutting machine (14).
2. The apparatus for disassembling a low-level radioactive folded waste filter according to claim 1, wherein: the clamping device (10) is driven by a clamping cylinder, and the model of the clamping cylinder is XY01.
3. The apparatus for disassembling a low-level radioactive folded waste filter according to claim 1, wherein: the negative pressure dust removal port (12) is connected with an external ventilation system through a quick connector.
4. The apparatus for disassembling a low-level radioactive pleated waste filter of claim 1, wherein: the glue shoveling tool is an electric shovel knife, and the model is an electric shovel knife CJ.
5. The apparatus for disassembling a low-level radioactive folded waste filter according to claim 1, wherein: the model of the tunnel type oven (8) is SDHX.
6. A method for disassembling a low-radioactivity folding type waste filter is characterized by comprising the following steps: the method comprises the following steps:
A. micro negative pressure starting: closing all the sealing doors (7), starting a ventilation system and a lighting system which are matched (namely starting the air quantity regulating valve 6, and connecting the negative pressure dust removal port (12) with the ventilation system by using a quick connector; and opening the lighting lamp 5 and a system power supply to ensure that inner cavities of the external package negative pressure ventilation cabinet (2), the disassembled negative pressure ventilation cabinet (4), the tunnel type drying oven (8) and the adhesive shoveling negative pressure ventilation cabinet (9) are in a micro negative pressure state;
B. dismantling the outer package: the folding type waste filter to be disassembled is loaded from a material inlet (1) on the cabinet wall at the front end of the outer package negative pressure ventilation cabinet (2), and the opening and closing door is closed in time; then, opening a sealing door (7) on the left side wall of the external package negative pressure ventilation cabinet (2), removing the external package and the sealing strip of the folding type waste filter, and then closing the sealing door (7);
C. the rear end of transport tray reachs first cutting station: opening an isolation door (3) between an outlet of an outer package negative pressure ventilation cabinet (2) and an inlet of a disassembled negative pressure ventilation cabinet (4), placing the folded waste filter with the outer package removed on a transfer tray (11), starting clamping devices (10) arranged on side baffles on the periphery of the transfer tray (11), and relatively horizontally moving inwards under the driving of respective corresponding clamping cylinders to clamp the periphery of a metal shell of the folded waste filter; subsequently closing the isolation door (3); the transport tray (11) carries the folding waste filter to be cut and is driven by a servo motor (18) and a lead screw (15) to be translated from front to back along a horizontal longitudinal guide rail to a first cutting station positioned under the two shell cutting machines (16), namely, the combination parts of the rear ends and the rear end beams of two longitudinal beams in a rectangular frame type metal shell of the folding waste filter to be cut are respectively positioned under the disk-shaped cutting sheets in the two shell cutting machines (16);
D. transverse cutting the rear end of the longitudinal beam and separating out a rear end cross beam: firstly, starting a shell cutting machine (16) to vertically fall and a disc-shaped cutting blade to rotate, and moving the disc-shaped cutting blade downwards while rotating; when the disc-shaped cutting blade approaches the joint of the rear ends of the two longitudinal beams and the rear end cross beam in the metal shell, the connection between the rear ends of the longitudinal beams and the rear end cross beam is transversely cut off, and only the rear end cross beam connected with the rear ends of the longitudinal beams is separated from the metal shell; starting the shell cutting machine (16) to move upwards and reset to the original state; then, starting a lifting cylinder at the bottom of the outer surface of the rear end side baffle of the transfer tray (11), wherein the lifting cylinder drives the rear end side baffle to clamp the separated rear end cross beam and vertically slide down into a blanking clamping cavity;
E. the front end of the transfer tray reaches a first cutting station: controlling the transfer tray (11) to continuously translate backwards along the horizontal longitudinal guide rail until the joint parts of the front ends of the two longitudinal beams and the front end cross beam in the metal shell of the folding type waste filter are respectively positioned under the two disc-shaped cutting sheets;
F. transversely cutting the front end of the longitudinal beam and separating out a front end cross beam: starting the shell cutting machine (16) to vertically descend and the disc-shaped cutting blade to rotate again, and enabling the disc-shaped cutting blade to rotate and move downwards simultaneously; when the disc-shaped cutting blade approaches the joint of the front ends of the two longitudinal beams and the front end cross beam in the metal shell, the connection between the front ends of the longitudinal beams and the front end cross beam is transversely cut off, and only the front end cross beam connected with the front ends of the longitudinal beams is separated from the metal shell; starting the shell cutting machine (16) to move upwards to return to an original state; then, starting a lifting cylinder at the bottom of the outer surface of the front end side baffle of the transfer tray (11), and driving the front end side baffle to clamp the separated front end beam to vertically slide down into the blanking clamping cavity by the lifting cylinder;
G. longitudinally cutting the longitudinal beam and separating out a filter element core body: after the rear end beam and the front end beam are cut, controlling the transfer tray (11) to continue to move backwards along the horizontal longitudinal guide rail, and when the transfer tray passes below a core body cutting machine (14) fixed at the middle position of the rear end part of the stand (13) in the backward moving process, respectively cutting two strip-shaped blades on the core body cutting machine (14) in a straight line along the inner side of a longitudinal beam of a metal shell in the folding waste filter and a joint seam of a filter core body, wherein the filter core body is separated from the two longitudinal beams in the metal shell; after cutting, starting a swing arm cylinder on the core body cutting machine (14) to drive the corner-shaped folding wall to fold and fix the filter core body; then, the filter element core is manually transferred to a core blanking port (17) on the bottom surface of the rear end cavity on the left side of the disassembled negative pressure ventilation cabinet (4) and automatically falls into a waste barrel connected with the bottom of the filter element core, so that the filter element core can be collected and transported to a subsequent compression volume reduction treatment process after being recovered and filled;
H. transferring the disassembled metal shell: resetting the clamping device (10); opening a duplex sealing door on the left side wall of the disassembled negative pressure ventilation cabinet (4), taking out two longitudinal beams scattered on a transfer tray (11) after the metal shell is disassembled and front and rear cross beams scattered in a blanking clamping cavity, and transferring the metal shell into a tunnel type drying oven (8); then, the transfer tray (11) is reset;
I. heating the metal shell: in the tunnel type oven (8), the caking property of colloid attached to the longitudinal beam and the cross beam after the metal shell is disassembled is changed in a heating mode, so that the material classification is facilitated;
J. and (3) shoveling glue: the heated longitudinal beam and the heated cross beam are transferred to a glue shoveling negative pressure ventilation cabinet (9), glue adhered to the surfaces of the longitudinal beam shell and the cross beam shell is shoveled by an electric shovel blade, and the metal shell in a disassembled state is completely separated from the glue; open sealing door (7) of shovel gluey negative pressure fume chamber (9), the colloid residue of shovel falls to the waste bin that the bottom meets through the deashing mouth in, and the metal casing of state of disintegrating takes out from sealing door after removing gluey, classifies packing, transports.
7. The method of disassembling a low-level radioactive folded spent filter according to claim 6, wherein: the temperature of the inner cavity of the box body of the tunnel type oven (8) is constant, and the working temperature is constant at 115-125 ℃.
8. Performing low-level radioactive pleated waste filter of claim 6A method of disassembly, characterized by: the folding waste filter is a solid radioactive waste class I: specific activity of 4X 10 or less 6 Bq/kg。
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| CN107812781B (en) * | 2017-12-07 | 2023-09-12 | 河南核净洁净技术有限公司 | Equipment and method for disassembling low-radioactivity close-pleated waste filter |
| CN109276919B (en) * | 2018-10-12 | 2024-03-12 | 东莞市华清环保工程有限公司 | Filter cotton core split equipment |
| CN110570967B (en) * | 2019-08-20 | 2021-04-06 | 大亚湾核电运营管理有限责任公司 | Mobile integrated production system for nuclear power station multiplexing filter |
| CN110570966B (en) * | 2019-08-20 | 2021-04-06 | 大亚湾核电运营管理有限责任公司 | Reuse production system for nuclear power plant filter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2664083A1 (en) * | 1990-06-27 | 1992-01-03 | Framatome Sa | Method and device for dismantling an irradiated component of a nuclear reactor by cutting up its wall |
| EP0822014A2 (en) * | 1996-07-30 | 1998-02-04 | Matsushita Electric Industrial Co., Ltd. | Disassembling method of electronic appliance and disassembling apparatus thereof |
| FR2796870A1 (en) * | 1999-07-27 | 2001-02-02 | Roland Prangere | Device for cutting vehicle oil filters apart for recycling, comprises plate carrying platen with means of locating filter and means of moving platen height |
| CN101819911A (en) * | 1998-09-09 | 2010-09-01 | 佳能株式会社 | Image display, method for disassembling the same, and method for recovering part |
| CN103011574A (en) * | 2012-11-30 | 2013-04-03 | 扬州宁达贵金属有限公司 | Automatic cutting separator for waste CRT (cathode ray tube) display |
| CN103112519A (en) * | 2013-01-24 | 2013-05-22 | 韩清洁 | Waste vehicle disassembly production line and corresponding process |
-
2017
- 2017-05-27 CN CN201710392588.3A patent/CN107009135B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2664083A1 (en) * | 1990-06-27 | 1992-01-03 | Framatome Sa | Method and device for dismantling an irradiated component of a nuclear reactor by cutting up its wall |
| EP0822014A2 (en) * | 1996-07-30 | 1998-02-04 | Matsushita Electric Industrial Co., Ltd. | Disassembling method of electronic appliance and disassembling apparatus thereof |
| CN101819911A (en) * | 1998-09-09 | 2010-09-01 | 佳能株式会社 | Image display, method for disassembling the same, and method for recovering part |
| FR2796870A1 (en) * | 1999-07-27 | 2001-02-02 | Roland Prangere | Device for cutting vehicle oil filters apart for recycling, comprises plate carrying platen with means of locating filter and means of moving platen height |
| CN103011574A (en) * | 2012-11-30 | 2013-04-03 | 扬州宁达贵金属有限公司 | Automatic cutting separator for waste CRT (cathode ray tube) display |
| CN103112519A (en) * | 2013-01-24 | 2013-05-22 | 韩清洁 | Waste vehicle disassembly production line and corresponding process |
Non-Patent Citations (2)
| Title |
|---|
| 一种放射性废物密封容器自动切割装置研制;张慧等;《机械与电子》;20170324(第03期);全文 * |
| 冲破"瓶颈"的高速切割 CRT拆解新工艺装备;卢晨光;《资源再生》;20130415(第04期);全文 * |
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