CN107812781B - Equipment and method for disassembling low-radioactivity close-pleated waste filter - Google Patents
Equipment and method for disassembling low-radioactivity close-pleated waste filter Download PDFInfo
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- CN107812781B CN107812781B CN201711285961.1A CN201711285961A CN107812781B CN 107812781 B CN107812781 B CN 107812781B CN 201711285961 A CN201711285961 A CN 201711285961A CN 107812781 B CN107812781 B CN 107812781B
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- 239000002699 waste material Substances 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005520 cutting process Methods 0.000 claims abstract description 194
- 238000009423 ventilation Methods 0.000 claims abstract description 143
- 239000002184 metal Substances 0.000 claims abstract description 79
- 239000000463 material Substances 0.000 claims abstract description 62
- 239000000084 colloidal system Substances 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000012546 transfer Methods 0.000 claims description 68
- 238000007789 sealing Methods 0.000 claims description 41
- 230000007246 mechanism Effects 0.000 claims description 34
- 239000003292 glue Substances 0.000 claims description 17
- 238000002955 isolation Methods 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 238000013519 translation Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000003517 fume Substances 0.000 description 32
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000002285 radioactive effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012857 radioactive material Substances 0.000 description 2
- 239000002901 radioactive waste Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
- G21F9/30—Processing
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
- G21F9/34—Disposal of solid waste
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Mechanical Engineering (AREA)
- Ventilation (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses equipment and a method for disassembling a low-radioactivity close-pleated waste filter. The invention is to put the low-radioactivity close-fold type waste filter to be disassembled into a disassembling system, after the outer package is disassembled, the bottom seam cutting is respectively carried out on the front handle end face of the low-radioactivity close-fold type waste filter metal shell, the top seam cutting is carried out on the air outlet top face, the vertical seam cutting is carried out on the front handle face, the vertical seam cutting is carried out on the rear handle face, the front handle face and the rear handle end face are separated in batches, the core body is recovered after the core body is cut, and the metal shell and the attached colloid are classified and recovered after the heating in a tunnel type oven and the shoveling treatment in a shoveling negative pressure ventilation cabinet. The invention can disassemble the densely pleated waste filter before waste treatment, realizes the 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 dismantling retired low-radioactivity dense pleat waste filters in nuclear air and gas treatment systems, more particularly to a method for dismantling nuclear air and gas treatment systems with a specific activity of less than or equal to 4 x 10 6 A device and a method for disassembling and sorting materials of a dense pleated type waste filter of Bq/kg (GB 9133-1995, i.e. radioactive solid waste class I) before waste treatment.
Background
According to the national development of clean nuclear energy, the long-term planning of nuclear industry is expanded, and with the rapid development of nuclear power technology, filters installed and used in nuclear facilities, particularly low-radioactivity waste filters, are continuously retired and accumulated in a large amount. For the low-radioactivity close-pleated waste filter, the domestic nuclear industry unit adopts manual simple disintegration treatment of the radioactive waste filter, and the radioactive waste filter is put into a 200L standard waste barrel for storage, then is compressed and reduced in volume, and has large storage volume and high disassembly labor intensity. Super compressors have been researched in the United states, france, germany, the Netherlands and other countries, 2000t super compressors have been introduced in China to develop final compression, the compression reduction capacity ratio is generally 1/6-1/2, and the reduction capacity ratio is small. In addition, according to the related information, a 200L standard waste barrel with a waste filter is disposed, 7 ten thousand yuan is needed, the disposal cost is high, and the environmental pollution hazard is large. Aiming at the possible controllable characteristic of the metal shell of the low-radioactivity close-pleated waste filter after being cleaned, the development of equipment and a method for disassembling the low-radioactivity close-pleated waste filter are needed to realize the sorting treatment of materials before waste treatment.
Disclosure of Invention
The present invention aims to address the above-mentioned shortcomings of the prior art by providing an apparatus and method for dismantling spent low-emissivity, dense pleat filters from nuclear air and gas handling systems. The invention can disassemble the densely pleated waste filter before waste treatment, realize the material classification between metal and nonmetal, improve the volume reduction ratio, and has the advantages of high automation degree, high efficiency, safety, energy conservation, environmental protection and the like.
The aim of the invention can be achieved by the following technical measures:
the equipment for disassembling the low-radioactivity close-pleated waste filter comprises a prepared negative pressure ventilation cabinet, a disassembled negative pressure ventilation cabinet, a decored negative pressure ventilation cabinet, a tunnel type oven and a shoveling negative pressure ventilation cabinet, which are intermittently sealed by an isolation door arranged between an adjacent inlet and an adjacent outlet, and a matched lighting system, a control system and a ventilation system (by adjusting the air quantity of the ventilation system, each negative pressure ventilation cabinet can be kept in a micro negative pressure state, and the air speed of an operation surface is ensured to be not less than 0.8m/s according to the opening state of each sealing door and a material inlet when the air quantity is adjusted), so that environmental secondary pollution caused by radioactive dust leakage is avoided; the side walls of the four fume hoods are respectively provided with an operation hole, the operation holes are respectively provided with a corresponding sealing door, the top walls of the four fume hoods are respectively provided with a lighting lamp, the cavity bottom surfaces of the preparation negative pressure fume hoods, the decoring negative pressure fume hoods and the shoveling negative pressure fume hoods are respectively provided with a material outlet, the material outlets are respectively provided with a corresponding sealing cover plate (when discharging is needed, the sealing cover plates are opened, the material outlets are in sealing connection with a waste bin, the safe collection of radioactive materials is ensured, no leakage exists), waste bins are respectively arranged below the material outlets, and the waste bins are respectively arranged on corresponding transfer trolleys; according to the flow direction of the materials, a material inlet is formed in the right side wall of the preparation negative pressure ventilation cabinet; according to the flow direction of materials, a material inlet is formed in the rear end wall of the dismantling negative pressure ventilation cabinet, a longitudinal guide rail for transferring the front and rear translation of a tray is arranged at the center of the bottom surface of the dismantling negative pressure ventilation cabinet along the longitudinal direction, a vertical frame crossing the longitudinal guide rail is arranged at the middle section of the bottom surface of the dismantling negative pressure ventilation cabinet, two sections of transverse guide rails are arranged on the bottom surface of the dismantling negative pressure ventilation cabinet right below the rear end part of the vertical frame, the two sections of transverse guide rails are all arranged on the outer sides of the two longitudinal guide rails, a bottom seam cutting machine transversely and reciprocally translating along the transverse guide rails is uniformly distributed on the two sections of transverse guide rails, a top seam cutting machine with a fixed horizontal position is symmetrically arranged on the vertical frame positioned at the inner side in front of the two bottom seam cutting machines respectively, a vertical seam cutting machine vertically lifted in a symmetrical manner is respectively hung on the vertical frame positioned at the outer sides in front of the two top seam cutting machines, a side frame is vertically hung in the middle of the top beam at the rear end part of the vertical frame, a side plate transferring mechanism is vertically hung on the side plate transferring mechanism, and a clamping mechanism is symmetrically arranged on the side plate transferring mechanism; a core cutting tool is arranged in the inner cavity of the decored negative pressure ventilation cabinet; an ash removing port is arranged in the tunnel type oven; a glue shoveling tool is arranged in the glue shoveling negative pressure ventilation cabinet; wherein, clamping devices are arranged at two end parts of the baffle plates at the periphery of the transfer tray; the output shaft ends of the two bottom seam cutting machines are horizontally provided with a disc-shaped cutting blade I, the output shaft ends of the two top seam cutting machines are vertically provided with a disc-shaped cutting blade II, the output shaft ends of the two vertical seam cutting machines are horizontally and vertically provided with a disc-shaped cutting blade III, the center-to-center distance of the two disc-shaped cutting blades I when cutting is matched with the length of a cuboid frame type metal shell wall of a low-radioactivity close-fold type waste filter to be cut, and the center-to-center distances of the two disc-shaped cutting blades II and the two disc-shaped cutting blades III are matched with the width of the cuboid frame type metal shell wall of the low-radioactivity close-fold type waste filter to be cut.
According to the invention, the transfer tray drives the screw rod to rotate through the servo motor to realize forward and backward reciprocating translation (transfer is stable, and the transfer tray is accurately positioned to a required cutting station under the cooperation of a PLC program in a control system and a corresponding proximity switch, so that the same size of each filter after disassembly is ensured); the transfer tray is internally provided with a rotating mechanism (which can drive the low-radioactivity close-fold type waste filter to rotate so that the to-be-cut seam rotates to a position opposite to the corresponding cutting blade).
The clamping device is driven by a clamping cylinder, and the model of the clamping cylinder is XY01.
The bottom seam cutting machine is driven by a cylinder, and the model of the cylinder is QD01.
The core cutting tool is electric Mo Yingbao, and the model is WYB.
The glue shoveling tool is an electric shovel knife, and the model is electric shovel knife CJ (the electric shovel knife can separate the sealant from the metal shell, and has good glue shoveling effect and high efficiency).
The model of the tunnel type oven is SDHX.
According to the invention, the operation holes and the sealing doors in the preparation negative pressure fume hood, the disassembly negative pressure fume hood, the decoring negative pressure fume hood and the tunnel type oven are all arranged on the right side wall, and the operation holes and the sealing doors in the shoveling negative pressure fume hood are arranged on the front side wall.
The method for disassembling the low-radioactivity close-pleated waste filter comprises the following steps:
A. and (3) starting under micro negative pressure: closing all sealing doors, and starting a matched ventilation system and a matched lighting system; the lighting lamp and a system power supply are turned on, so that the inner cavities of the standby negative pressure ventilation cabinet, the disassembly negative pressure ventilation cabinet, the decored negative pressure ventilation cabinet, the tunnel type oven and the shoveling negative pressure ventilation cabinet are all in a micro negative pressure state;
B. removing the outer package: loading the densely-pleated waste filter to be disassembled from a material inlet on the right side wall of the standby negative-pressure ventilation cabinet, and closing the material inlet in time; then, removing the outer package and the sealing strip of the low-radioactivity close-fold type waste filter by preparing an operation hole on the side wall of the negative pressure ventilation cabinet;
C. transfer to a transfer tray: opening a material inlet on the rear end wall of the dismantling negative pressure ventilation cabinet, transferring the low-radioactivity close-fold type waste filter after the outer package is dismantled to a transfer tray which is parked at the rear end of a longitudinal guide rail in the inner cavity of the dismantling negative pressure ventilation cabinet by means of an operation hole on the side wall of the preparing negative pressure ventilation cabinet, wherein the length direction of a cuboid frame type metal shell wall in the low-radioactivity close-fold type waste filter to be cut is perpendicular to the longitudinal guide rail, namely, the front handle end surface and the rear handle end surface which are positioned at the two ends of the length of the cuboid frame type metal shell wall are parallel to the longitudinal guide rail and are positioned at the outer side of the longitudinal guide rail; then closing a material inlet on the rear end wall of the disassembled negative pressure ventilation cabinet; starting clamping devices arranged on the side baffles at the periphery of the transfer tray, and driving the clamping devices to clamp two side surfaces and two handle end surfaces of a metal shell of the low-radioactivity close-fold waste filter by a clamping cylinder;
D. Bottom seam cutting of the end face of the handle: firstly, starting two bottom seam cutting machines to transversely move inwards along a transverse guide rail, and locking the positions after transversely moving to a first cutting station, namely, matching the center distance between two disc-shaped cutting blades I with the length of a cuboid frame-type metal shell wall of a close-fold type waste filter to be cut; then, the disc-shaped cutting blade I is started to rotate; meanwhile, a servo motor is started to rotate, the servo motor drives a screw rod to drive a transfer tray to translate forwards along a longitudinal guide rail, and when two handle end faces are in a first cutting station in the forward process, the joint seams of the front handle end face and the rear handle end face with the bottom face are cut from front to back by the disc-shaped cutting blades I which are correspondingly arranged on two sides; after the cutting is finished, the disc-shaped cutting blade I stops rotating, and the bottom seam cutting machine is started to transversely move to an initial position along the transverse guide rail outwards;
E. the transfer tray is rotated 90 degrees counterclockwise: starting a rotating mechanism in the transfer tray to enable the transfer tray to rotate anticlockwise by 90 degrees, wherein the length direction of a cuboid frame type metal shell wall in the low-radioactivity close-pleated waste filter is parallel to the longitudinal guide rail, namely the end faces of handles at two ends of the length of the cuboid frame type metal shell wall are perpendicular to the longitudinal guide rail;
F. Cutting a top seam of the top surface of the air outlet: firstly, starting two top seam cutting machines to vertically descend to a second cutting station and then locking the positions, namely, at the moment, the center distance between two disc-shaped cutting blades II is matched with the width of a cuboid frame-type metal shell wall of a low-radioactivity close-fold type waste filter to be cut; then, starting the disk-shaped cutting blade II to rotate; simultaneously, a servo motor is started to rotate, the servo motor drives a screw rod to continuously drive a transfer tray to translate forwards along a longitudinal guide rail, and when the air outlet top surface passes through a first cutting station in the forward process, two joint seams of the air outlet top surface and two adjacent side surfaces are cut by a disc-shaped cutting blade II which is vertically arranged from front to back and corresponds to the front to back on the two sides; after the cutting is finished, the disk-shaped cutting blade II stops rotating, and the top seam cutting machine is started to vertically ascend to an initial position; G. vertical seam cutting of front handle end face, separating front handle end face: the servo motor is controlled to drive the screw rod to continuously drive the transfer tray to translate forwards along the longitudinal guide rail, and the transfer tray is locked after moving to the third cutting station, namely, two joint seams of the front handle end face and the two adjacent side faces are respectively positioned under a disc-shaped cutting blade III transversely and vertically arranged in the two vertical seam cutting machines; then, starting a side plate clamping mechanism to clamp the end face of the front handle; then, starting the vertical seam cutting machine to vertically descend, and simultaneously starting the disc-shaped cutting blades III to rotate, wherein when the two disc-shaped cutting blades III which are vertically installed descend while rotating, the two disc-shaped cutting blades III are respectively connected with the joint seams of the front handle end face and the adjacent side faces from top to bottom, namely, the two joint seams of the front handle end face and the adjacent two side faces are cut; the bottom seam and the two vertical seams of the front handle end face are cut, and the joint of the front handle end face and the air outlet top face is of a strip seam structure, so that the front handle end face is completely separated from the whole cuboid frame-type metal shell wall at the moment; after the cutting is finished, the disc-shaped cutting blade III stops rotating, and the vertical seam cutting machine is started to vertically ascend to an initial position;
H. End face of handle before transferring: starting a side plate transfer mechanism, driving a side plate clamping mechanism to clamp the end face of the front lifting handle to move, and transferring the end face of the front lifting handle to the decored negative-pressure fume hood;
I. the transfer tray is rotated 180 degrees clockwise: starting a rotating mechanism in the transfer tray to enable the transfer tray to rotate 180 degrees clockwise, and enabling the end face of the rear lifting handle to rotate to the rear position of the third cutting station and be locked, namely enabling two joint seams of the end face of the rear lifting handle and two adjacent side faces to be respectively located under a disc-shaped cutting blade III transversely and vertically arranged in two vertical seam cutting machines;
J. vertical seam cutting of back handle terminal surface, separation back handle terminal surface: starting a side plate clamping mechanism to clamp the end face of the rear handle; then, starting the vertical seam cutting machine to vertically descend, and simultaneously starting the disc-shaped cutting blades III to rotate, wherein when the two disc-shaped cutting blades III which are vertically installed descend while rotating, joint seams between the end face of the rear handle and the adjacent side faces are respectively formed from top to bottom, namely, two joint seams between the end face of the rear handle and the adjacent two side faces are cut; the bottom seam and the two vertical seams of the end face of the rear handle are cut, and the joint of the end face of the rear handle and the top face of the air outlet is in a strip seam structure, so that the end face of the rear handle is completely separated from the whole cuboid frame-type metal shell wall at the moment; after the cutting is finished, the disc-shaped cutting blade III stops rotating, and the vertical seam cutting machine is started to vertically ascend to an initial position;
K. End face of handle after transferring: starting a side plate transfer mechanism to drive a side plate clamping mechanism to clamp the end face of the rear lifting handle to move, and transferring the end face of the rear lifting handle to the decored negative-pressure ventilation cabinet;
l, slitting a shell and transferring: firstly, opening a sealing door positioned on the side wall of the disassembled negative pressure fume hood, transferring the cut metal shell to the decored negative pressure fume hood, and then closing the sealing door on the side wall of the disassembled negative pressure fume hood; m, decoring: a Mo Yingbao WYB core cutting tool arranged in the cavity of the decored negative-pressure ventilation cabinet cuts and shovels off the core, the core is blanked on site, a sealing cover plate plugged by a material outlet at the bottom surface of the cavity of the decored negative-pressure ventilation cabinet is opened, and the shoveled core falls into a waste barrel connected with the bottom through the material outlet at the bottom surface of the cavity of the decored negative-pressure ventilation cabinet and is transported by a corresponding transport trolley; the metal shell subjected to decoring is subjected to preliminary cleaning in a decoring negative pressure fume hood, and fallen scraps are removed;
heating the metal shell: then, opening an isolation door between the outlet of the decored negative pressure ventilation cabinet and the inlet of the tunnel type oven, putting the metal shell into the tunnel type oven, and then closing the isolation door between the outlet of the decored negative pressure ventilation cabinet and the inlet of the tunnel type oven, wherein the adhesiveness of the colloid attached to the metal shell after disassembly is changed in a heating mode, so that the sorting of materials is facilitated;
0. Shoveling: then opening an isolation door between the outlet of the shoveling negative pressure ventilation cabinet and the inlet of the tunnel type oven, transferring the heated metal shell to the shoveling negative pressure ventilation cabinet, and closing the isolation door between the outlet of the shoveling negative pressure ventilation cabinet and the inlet of the tunnel type oven; the colloid adhered to the surface of the metal shell is shoveled in the shoveling negative-pressure ventilation cabinet by an electric shovel blade through an operation hole on the side wall of the shoveling negative-pressure ventilation cabinet, and the metal shell in a disassembled state is thoroughly separated from the colloid at the moment; and opening a sealing cover plate plugged by a material outlet on the cavity bottom surface of the shoveling negative pressure ventilation cabinet, enabling the shoveled colloid residues to fall into a waste bucket connected with the bottom through the material outlet on the cavity bottom surface of the shoveling negative pressure ventilation cabinet, taking out a metal shell in a disassembled state after removing the colloid through a sealing door matched with an operation hole on the side wall of the shoveling negative pressure ventilation cabinet, classifying and packing, and transferring through a corresponding transfer trolley.
The temperature of the inner cavity of the tunnel type oven body is constant, and the working temperature is constant at 115-125 ℃.
The design principle of the invention is as follows:
the invention relates to equipment and a method for disassembling retired low-radioactivity close-pleated waste filters. The invention is to put the low-radioactivity close-fold type waste filter to be disassembled into a disassembling system, after the outer package is disassembled, the bottom seam cutting is respectively carried out on the front handle end face of the low-radioactivity close-fold type waste filter metal shell, the top seam cutting is carried out on the air outlet top face, the vertical seam cutting is carried out on the front handle face, the vertical seam cutting is carried out on the rear handle face, the front handle face and the rear handle end face are separated in batches, the core body is recovered after the core body is cut, and the metal shell and the attached colloid are classified and recovered after the heating in a tunnel type oven and the shoveling treatment in a shoveling negative pressure ventilation cabinet. The invention can smoothly realize the classified recovery of the metal material and the nonmetal material of the close-pleated filter, is convenient for the filter element core body to smoothly carry out the later-stage compression and volume reduction, and greatly reduces the post-treatment cost; finally, the disassembled metal shell is heated by a tunnel type oven to change the cohesiveness of the adhesive colloid, and the separation of the colloid and the metal shell is realized by means of an electric shovel in a shovel negative pressure ventilation cabinet, so that the classification treatment of metal materials and nonmetal materials is realized.
Furthermore, the invention is to put the densely-pleated waste filter to be disassembled into a disassembly system consisting of a preparation negative pressure fume hood, a disassembly negative pressure fume hood, a decored negative pressure fume hood, a tunnel type oven, a glue shoveling negative pressure fume hood and a matched lighting system, a control system and a ventilation system: firstly, removing the outer package and the sealing strip; then, transferring to a transfer tray; then, the bottom seam cutting is carried out on the front handle end face and the rear handle end face by means of a bottom seam cutting machine, after the transfer tray rotates anticlockwise for 90 degrees, the top seam cutting is carried out on the air outlet top face by means of a top seam cutting machine, the vertical seam cutting is carried out on the front handle face for the third time by means of a vertical seam cutting machine, the front handle end face with the strip seam structure is separated after the cutting is finished, the vertical seam cutting is carried out on the rear handle face by means of the vertical seam cutting machine after the transfer tray rotates clockwise for 180 degrees, and the rear handle end face with the strip seam structure is separated after the cutting is finished; the separated front handle surface, the rear handle end surface, the cut metal shell and the core body are transferred to a decoring negative pressure ventilation cabinet, the core body is cut by a core body cutting tool, the core body is completely separated from the metal shell after cutting, the frame type metal shell is disintegrated, the core body is disintegrated, and the disintegrated core body blocks fall down through a material outlet and are recycled into a waste barrel; then, the metal shell is transferred to a tunnel type oven for heating, after the cohesiveness of the colloid attached to the metal shell is changed, the metal shell is transferred to a shoveling negative pressure ventilation cabinet, the colloid on the surface of the metal shell is shoveled by an electric shovel, and finally the shoveled colloid and the separated metal shell are classified and recycled.
The invention has the following technical effects:
the invention can disassemble the densely pleated waste filter before waste treatment, realizes classification of metal materials and nonmetal materials, is beneficial to the control treatment of the metal materials, is convenient for the incineration or compression volume reduction of the nonmetal materials, and can greatly reduce the post-treatment cost. The whole production line has high automation degree, realizes man-machine isolation without manual interference, remarkably improves the operation safety, and greatly reduces the labor intensity in the disassembly of the filter. In the whole disassembly system, the isolation door, the control system and the ventilation system are mutually matched, so that micro negative pressure is kept in the operation cavity, radioactive substances are prevented from leaking out, secondary pollution of radioactive dust is avoided, cleanliness in the production line is guaranteed, and the surrounding environment is guaranteed to be clean.
Drawings
Fig. 1 is a schematic view of the construction of the dismantling device of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a flow chart of the disassembly method of the present invention.
The serial numbers in the figures illustrate: 1. the waste bin, 2, the lighting lamp, 3, the isolation door, 4, the preparation negative pressure fume chamber, 5, the transportation tray, 6, clamping device, 7, the disassembly negative pressure fume chamber, 8, the transverse guide rail, 9-1, the bottom seam cutting machine, 9-2, the top seam cutting machine, 9-3, the vertical seam cutting machine, 10, the longitudinal guide rail, 11, the vertical frame, 12, the curb plate clamping mechanism, 13, the curb plate transportation mechanism, 14, the curb plate support, 15, the sealing door, 16, the servo motor, 17, the decoring negative pressure fume chamber, 18, the tunnel type oven, 19, the shovel glue negative pressure fume chamber, 20, the material outlet, 21, the transportation trolley, 22, the lead screw, 23, the material inlet, 24, and the operation hole.
Detailed Description
The invention is further described below with reference to the drawings and examples:
as shown in fig. 1 and 2, the device for disassembling the low-radioactivity close-pleated waste filter comprises a standby negative pressure ventilation cabinet 4, a disassembling negative pressure ventilation cabinet 7, a decoring negative pressure ventilation cabinet 17, a tunnel type oven 18 and a glue shoveling negative pressure ventilation cabinet 19 which are sequentially connected through an inlet end and an outlet end to form an L-shaped layout and are used for intermittently sealing an integral communication inner cavity through a separation door 3 arranged between an adjacent inlet and an adjacent outlet, and a matched lighting system, a control system and a ventilation system; the side walls of the four fume hoods are respectively provided with an operation hole 24, the operation holes 24 are respectively provided with a corresponding sealing door 15, the top walls of the four fume hoods are respectively provided with an illumination lamp 2, the cavity bottom surfaces of the preparation negative pressure fume hood 4, the decoring negative pressure fume hood 17 and the shoveling negative pressure fume hood 19 are respectively provided with a material outlet 20, the material outlets 20 are respectively provided with a corresponding sealing cover plate (when discharging is needed, the sealing cover plates are opened, the material outlets are in sealing connection with a waste barrel, so that the safe collection of radioactive materials is ensured, no leakage is caused), the waste barrels 1 are respectively arranged below the material outlets 20, and the waste barrels 1 are respectively arranged on the corresponding transfer trolleys 21; according to the flow direction of the materials, a material inlet 23 is formed in the right side wall of the preparation negative pressure ventilation cabinet 4; according to the flow direction of materials, a material inlet 23 is formed in the rear end wall of the dismantling negative pressure ventilation cabinet 7, a longitudinal guide rail 10 for transferring the tray 5 to translate back and forth is arranged at the center of the bottom surface of the dismantling negative pressure ventilation cabinet 7 along the longitudinal direction, a vertical frame 11 crossing the longitudinal guide rail is arranged at the middle section of the bottom surface of the dismantling negative pressure ventilation cabinet 7, two sections of transverse guide rails 8 are arranged on the bottom surface of the dismantling negative pressure ventilation cabinet 7 right below the rear end part of the vertical frame 11, two sections of transverse guide rails 8 are arranged on the outer sides of the two longitudinal guide rails 10, a bottom seam cutter 9-1 transversely reciprocating and horizontally translated along the transverse guide rails 8 is uniformly distributed on the two sections of transverse guide rails 8, a top seam cutter 9-2 with a horizontal position fixed is respectively arranged on the vertical frame 11 positioned on the front outer side of the two top seam cutters 9-2 in a symmetrical manner, a vertical seam cutter 9-3 vertically lifted respectively is hung on the vertical frame 11 in a symmetrical manner, a top beam transferring mechanism 13 arranged at the rear end part of the vertical frame 11 is arranged on the middle of the bottom surface of the two side plates, and a side plate 12 is arranged on the front of the side plate 14 of the dismantling negative pressure ventilation cabinet in a symmetrical manner; a core cutting tool is arranged in the inner cavity of the decored negative pressure ventilation cabinet 17; an ash removing port is arranged in the tunnel type oven 18; a glue shoveling tool is arranged in the glue shoveling negative pressure ventilation cabinet 19; wherein, clamping devices 6 are arranged at two end parts of the side baffles around the transfer tray 5; a disc-shaped cutting blade I is horizontally arranged at the end parts of the output shafts of the two bottom seam cutting machines 9-1, a disc-shaped cutting blade II is vertically arranged at the front and rear ends of the output shafts of the two top seam cutting machines 9-2, a disc-shaped cutting blade III is horizontally and vertically arranged at the end parts of the output shafts of the two vertical seam cutting machines 9-3, the center distance of the two disc-shaped cutting blades I during cutting is matched with the length of a cuboid frame-type metal shell wall of a low-radioactivity close-fold type waste filter to be cut, and the center distance of the two disc-shaped cutting blades II and the center distance of the two disc-shaped cutting blades III are matched with the width of the cuboid frame-type metal shell wall of the low-radioactivity close-fold type waste filter to be cut.
According to the invention, the transfer tray 5 drives the screw rod 22 to rotate through the servo motor 16 to realize forward and backward reciprocating translation (transfer is stable, and the transfer tray is accurately positioned to a required cutting station under the cooperation of a PLC program in a control system and a corresponding proximity switch, so that the same size of each filter after disassembly is ensured); the transfer tray 5 is internally provided with a rotating mechanism (which can drive the low-radioactivity close-pleated waste filter to rotate so that the to-be-cut seam rotates to a position opposite to the corresponding cutting blade).
The clamping device 6 is driven by a clamping cylinder, and the model of the clamping cylinder is XY01.
The bottom seam cutting machine 9-1 is driven by a cylinder, and the model of the cylinder is QD01.
The core cutting tool is electric Mo Yingbao, and the model is WYB.
The glue shoveling tool is an electric shovel knife, and the model is electric shovel knife CJ (the electric shovel knife can separate the sealant from the metal shell, and has good glue shoveling effect and high efficiency).
The tunnel oven 18 described in the present invention is of the type SDHX.
According to the invention, the preparation negative pressure fume hood 4, the disassembly negative pressure fume hood 7, the decoring negative pressure fume hood 17, the operation hole 24 in the tunnel oven 18 and the sealing door 15 are all arranged on the right side wall, and the operation hole 24 and the sealing door 15 in the shoveling negative pressure fume hood 19 are arranged on the front side wall.
As shown in fig. 3, the method of the present invention for disassembling a low-radioactivity dense pleat type waste filter comprises the steps of:
A. and (3) starting under micro negative pressure: closing all sealing doors 15 and starting the matched ventilation system and lighting system; the lighting lamp 2 and a system power supply are turned on, so that the inner cavities of the standby negative pressure ventilation cabinet 4, the dismantling negative pressure ventilation cabinet 7, the decored negative pressure ventilation cabinet 17, the tunnel type oven 18 and the glue shoveling negative pressure ventilation cabinet 19 are all in a micro negative pressure state;
B. removing the outer package: loading the densely-pleated waste filter to be disassembled into the material inlet 23 on the right side wall of the standby negative pressure ventilation cabinet 4, and closing the material inlet 23 in time; next, removing the outer package and the sealing strip of the low-radioactivity close-pleated waste filter by preparing the operation holes 24 on the side wall of the negative pressure ventilation cabinet 4;
C. transfer to a transfer tray: opening a material inlet 23 on the rear end wall of the dismantling negative pressure ventilation cabinet 7, transferring the low-radioactivity close-fold type waste filter after the outer package is dismantled to a transfer tray 5 which is parked at the rear end of a longitudinal guide rail 10 in the inner cavity of the dismantling negative pressure ventilation cabinet 7 by means of an operation hole 24 on the side wall of the preparing negative pressure ventilation cabinet 4, wherein the length direction of a cuboid frame type metal shell wall in the low-radioactivity close-fold type waste filter to be cut is perpendicular to the longitudinal guide rail 10, namely, the front handle end surface and the rear handle end surface which are positioned at the two ends of the length of the cuboid frame type metal shell wall are parallel to the longitudinal guide rail 10 and are positioned at the outer side of the longitudinal guide rail 10; the material inlet 23 on the rear end wall of the dismantling negative pressure fume hood 7 is then closed; the clamping devices 6 arranged on the side baffles at the periphery of the transfer tray 5 are started, and the clamping devices 6 are driven by the clamping cylinders to clamp the two side surfaces and the two handle end surfaces of the metal shell of the low-radioactivity close-fold waste filter;
D. Bottom seam cutting of the end face of the handle: firstly, starting two bottom seam cutting machines 9-1 to transversely move inwards along a transverse guide rail 8 at the same time, and locking the positions after transversely moving to a first cutting station, namely, matching the center-to-center distance of two disc-shaped cutting blades I with the length of a cuboid frame type metal shell wall of a close-fold type waste filter to be cut; then, the disc-shaped cutting blade I is started to rotate; simultaneously, the servo motor 16 is started to rotate, the servo motor 16 drives the screw rod 22 to drive the transfer tray 5 to translate forwards along the longitudinal guide rail 10, and when the two handle end faces are in the first cutting station in the forward process, the joint seams of the front handle end face and the rear handle end face and the bottom face are cut by the disc-shaped cutting blades I which are horizontally arranged and correspond to the two sides from front to back; after the cutting is finished, the disk-shaped cutting blade I stops rotating, and the bottom seam cutting machine 9-1 is started to transversely move to the initial position along the transverse guide rail 8 to the outer side;
E. the transfer tray is rotated 90 degrees counterclockwise: starting a rotating mechanism in the transfer tray 5 to enable the transfer tray 5 to rotate anticlockwise by 90 degrees, wherein the length direction of a cuboid frame type metal shell wall in the low-radioactivity close-pleated waste filter is parallel to the longitudinal guide rail 10, namely the end faces of handles at two ends of the length of the cuboid frame type metal shell wall are perpendicular to the longitudinal guide rail 10;
F. Cutting a top seam of the top surface of the air outlet: firstly, starting two top seam cutting machines 9-2 to vertically descend to a second cutting station and then locking the positions, namely, the center distance between two disc-shaped cutting blades II is matched with the width of a cuboid frame type metal shell wall of a low-radioactivity close-fold type waste filter to be cut; then, starting the disk-shaped cutting blade II to rotate; simultaneously, the servo motor 16 is started to rotate, the servo motor 16 drives the screw rod 22 to continuously drive the transfer tray 5 to translate forwards along the longitudinal guide rail 10, and when the air outlet top surface passes through the first cutting station in the forward process, two joint seams of the air outlet top surface and two adjacent side surfaces are cut by the disc-shaped cutting blades II which are correspondingly arranged vertically from front to back; after the cutting is finished, the disk-shaped cutting blade II stops rotating, and the top seam cutting machine 9-2 is started to vertically ascend to an initial position;
G. vertical seam cutting of front handle end face, separating front handle end face: the control servo motor 16 drives the screw rod 22 to continuously drive the transfer tray 5 to translate forwards along the longitudinal guide rail 10, and the transfer tray 5 is locked after moving to the third cutting station, namely, two joint seams of the front handle end face and two adjacent side faces are respectively positioned under a disc-shaped cutting blade III transversely and vertically arranged in two vertical seam cutting machines 9-3; then, starting the side plate clamping mechanism 12 to clamp the end face of the front handle; then, starting the vertical seam cutting machine 9-3 to vertically descend, and simultaneously starting the disk-shaped cutting blades III to rotate, wherein when the two disk-shaped cutting blades III which are vertically installed descend while rotating, the two disk-shaped cutting blades III are respectively connected with the joint seams of the front handle end face and the adjacent side faces from top to bottom, namely, the two joint seams of the front handle end face and the adjacent two side faces are cut; the bottom seam and the two vertical seams of the front handle end face are cut, and the joint of the front handle end face and the air outlet top face is of a strip seam structure, so that the front handle end face is completely separated from the whole cuboid frame-type metal shell wall at the moment; after the cutting is finished, the disk-shaped cutting blade III stops rotating, and the vertical seam cutting machine 9-3 is started to vertically ascend to an initial position;
H. End face of handle before transferring: starting a side plate transfer mechanism 13, driving a side plate clamping mechanism 12 to clamp the end face of the front lifting handle to move, and transferring the end face of the front lifting handle to a decored negative pressure ventilation cabinet 17;
I. the transfer tray is rotated 180 degrees clockwise: starting a rotating mechanism in the transfer tray 5 to enable the transfer tray 5 to rotate 180 degrees clockwise, and rotating the end face of the rear lifting handle to the rear position of the third cutting station to lock, namely, two joint seams of the end face of the rear lifting handle and two adjacent side faces are respectively positioned under a disc-shaped cutting blade III transversely and vertically arranged in two vertical seam cutting machines 9-3;
J. vertical seam cutting of back handle terminal surface, separation back handle terminal surface: starting a side plate clamping mechanism 12 to clamp the end face of the rear handle; then, starting the vertical seam cutting machine 9-3 to vertically descend, and simultaneously starting the disk-shaped cutting blades III to rotate, wherein when the two disk-shaped cutting blades III which are vertically installed descend while rotating, joint seams between the end face of the rear handle and the adjacent side faces are respectively formed from top to bottom, namely, two joint seams between the end face of the rear handle and the adjacent two side faces are cut; the bottom seam and the two vertical seams of the end face of the rear handle are cut, and the joint of the end face of the rear handle and the top face of the air outlet is in a strip seam structure, so that the end face of the rear handle is completely separated from the whole cuboid frame-type metal shell wall at the moment; after the cutting is finished, the disk-shaped cutting blade III stops rotating, and the vertical seam cutting machine 9-3 is started to vertically ascend to an initial position;
K. End face of handle after transferring: starting a side plate transfer mechanism 13, driving a side plate clamping mechanism 12 to clamp the end face of the rear lifting handle to move, and transferring the end face of the rear lifting handle to a decored negative pressure ventilation cabinet 17;
l, slitting a shell and transferring: firstly, opening a sealing door 15 positioned on the side wall of the disassembly negative pressure ventilation cabinet 7, transferring the cut metal shell to a decored negative pressure ventilation cabinet 17, and then closing the sealing door 15 on the side wall of the disassembly negative pressure ventilation cabinet 7;
m, decoring: a Mo Yingbao WYB core cutting tool arranged in the inner cavity of the decored negative pressure ventilation cabinet 17 cuts and shovels off the core, the core is blanked on site, a sealing cover plate blocked by a material outlet 20 at the bottom surface of the cavity of the decored negative pressure ventilation cabinet 17 is opened, and the shoveled core falls into a waste bucket 1 with the bottom connected through the material outlet 20 at the bottom surface of the cavity of the decored negative pressure ventilation cabinet 17 and is transported through a corresponding transport trolley 21; the metal shell subjected to decoring is subjected to preliminary cleaning in a decoring negative pressure ventilation cabinet 17, and fallen scraps are removed;
heating the metal shell: then, opening the isolation door 3 between the outlet of the decored negative pressure ventilation cabinet 17 and the inlet of the tunnel type oven 18, putting the metal shell into the tunnel type oven 18, and then closing the isolation door 3 between the outlet of the decored negative pressure ventilation cabinet 17 and the inlet of the tunnel type oven 18, and changing the cohesiveness of the colloid attached to the metal shell after disassembly in a heating mode so as to facilitate material classification;
0. Shoveling: then opening an isolation door 3 between the outlet of the shoveling negative pressure ventilation cabinet 19 and the inlet of the tunnel type oven 18, transferring the heated metal shell to the shoveling negative pressure ventilation cabinet 19, and closing the isolation door 3 between the outlet of the shoveling negative pressure ventilation cabinet 19 and the inlet of the tunnel type oven 18; the colloid adhered to the surface of the metal shell is shoveled out by an electric shovel blade in the shoveling negative pressure ventilation cabinet 19 through an operation hole on the side wall of the shoveling negative pressure ventilation cabinet 19, and the metal shell in a disassembled state is thoroughly separated from the colloid at the moment; the sealing cover plate plugged by the material outlet 20 on the bottom surface of the cavity of the shoveling negative pressure ventilation cabinet 19 is opened, the shoveled colloid residues fall into the waste bucket 1 connected with the bottom through the material outlet 20 on the bottom surface of the cavity of the shoveling negative pressure ventilation cabinet 19, and after the colloid is removed, the metal shell in a disassembled state is taken out through the sealing door 15 matched with the operation hole on the side wall of the shoveling negative pressure ventilation cabinet 19, classified and packed and transported through the corresponding transport trolley 21.
The temperature of the inner cavity of the tunnel type oven 18 is constant, and the working temperature is constant at 115-125 ℃.
Claims (10)
1. An apparatus for disassembling a low-emissivity, dense pleated waste filter, comprising: the device comprises a standby negative pressure ventilation cabinet (4), a dismantling negative pressure ventilation cabinet (7), a decoring negative pressure ventilation cabinet (17), a tunnel type oven (18) and a glue shoveling negative pressure ventilation cabinet (19), and a matched lighting system, a control system and a ventilation system, wherein the standby negative pressure ventilation cabinet (4), the dismantling negative pressure ventilation cabinet (7), the decoring negative pressure ventilation cabinet (17), the tunnel type oven (18) and the glue shoveling negative pressure ventilation cabinet (19) are sequentially connected through an inlet end and an outlet end to form an L-shaped layout, and the integral communication inner cavity is intermittently sealed through an isolation door (3) arranged between the adjacent inlet and outlet; the four-ventilation-cabinet side walls are provided with operation holes (24), the operation holes (24) are provided with corresponding sealing doors (15), the top walls of the four ventilation cabinets are provided with illumination lamps (2), the bottom surfaces of the cavities of the preparation negative-pressure ventilation cabinet (4), the decoring negative-pressure ventilation cabinet (17) and the shoveling negative-pressure ventilation cabinet (19) are provided with material outlets (20), the material outlets (20) are provided with corresponding sealing cover plates, waste barrels (1) are uniformly distributed below the material outlets (20), and the waste barrels (1) are all arranged on corresponding transfer trolleys (21); according to the flow direction of the materials, a material inlet (23) is formed in the right side wall of the preparation negative pressure ventilation cabinet (4); according to the flow direction of the materials, a material inlet (23) is formed in the rear end wall of the disassembly negative pressure ventilation cabinet (7), a longitudinal guide rail (10) for transferring the tray (5) to move forward and backward is arranged at the center of the bottom surface of the cavity of the disassembly negative pressure ventilation cabinet (7), a vertical support (9-2) crossing the longitudinal guide rail is arranged at the middle section of the bottom surface of the cavity of the disassembly negative pressure ventilation cabinet (7), two sections of transverse guide rails (8) are arranged on the bottom surface of the cavity of the disassembly negative pressure ventilation cabinet (7) right below the rear end of the vertical support (11), the two sections of transverse guide rails (8) are uniformly distributed on the outer sides of the two longitudinal guide rails (10), a bottom seam cutter (9-1) transversely moves back and forth along the transverse guide rails (8), a top seam cutter (9-2) fixed at a horizontal position is respectively arranged on the vertical support (11) on the inner side of the front side of the two bottom seam cutters (9-1) in a symmetrical manner, a top seam cutter (9-2) is respectively arranged on the vertical support (11) on the outer side of the front side of the two top cutters (9-2) in a symmetrical manner, a vertical seam cutter (13) is respectively arranged on the middle side plate (13), a side plate bracket (14) is respectively arranged on the left side and the right side of the front end of the bottom surface of the cavity of the dismantling negative pressure ventilation cabinet (7) in a symmetrical mode; a core cutting tool is arranged in the inner cavity of the decored negative pressure ventilation cabinet (17); an ash removing port is arranged in the tunnel type oven (18); a glue shoveling tool is arranged in the glue shoveling negative pressure ventilation cabinet (19); wherein, clamping devices (6) are arranged at two end parts of the side baffles at the periphery of the transfer tray (5); a disc-shaped cutting blade I is horizontally arranged at the end parts of the output shafts of the two bottom seam cutting machines (9-1), a disc-shaped cutting blade II is vertically arranged at the front and back of the end parts of the output shafts of the two top seam cutting machines (9-2), a disc-shaped cutting blade III is horizontally and vertically arranged at the end parts of the output shafts of the two vertical seam cutting machines (9-3), the center distance of the two disc-shaped cutting blades I during cutting is matched with the length of a cuboid frame-type metal shell wall of a low-radioactivity close-fold type waste filter to be cut, and the center distance of the two disc-shaped cutting blades II and the center distance of the two disc-shaped cutting blades III are matched with the width of the cuboid frame-type metal shell wall of the low-radioactivity close-fold type waste filter to be cut.
2. The apparatus for dismantling low radioactivity dense pleat type waste filter as claimed in claim 1, wherein: the transfer tray (5) drives the screw rod (22) to rotate through the servo motor (16) so as to realize back and forth translation; the transfer tray (5) is internally provided with a rotating mechanism.
3. The apparatus for dismantling low radioactivity dense pleat type waste filter as claimed in claim 1, wherein: the clamping device (6) is driven by a clamping cylinder, and the model of the clamping cylinder is XY01.
4. The apparatus for dismantling low radioactivity dense pleat type waste filter as claimed in claim 1, wherein: the bottom seam cutting machine (9-1) is driven by a cylinder, and the model of the cylinder is QD01.
5. The apparatus for dismantling low radioactivity dense pleat type waste filter as claimed in claim 1, wherein: the core cutting tool is electric Mo Yingbao, model WYB.
6. The apparatus for dismantling low radioactivity dense pleat type waste filter as claimed in claim 1, wherein: the glue shoveling tool is an electric shovel blade, and the model is electric shovel blade CJ.
7. The apparatus for dismantling low radioactivity dense pleat type waste filter as claimed in claim 1, wherein: the model of the tunnel oven (18) is SDHX.
8. The apparatus for dismantling low radioactivity dense pleat type waste filter as claimed in claim 1, wherein: the negative pressure ventilation cabinet (4) is prepared, the negative pressure ventilation cabinet (7) is disassembled, the operation holes (24) and the sealing door (15) in the decored negative pressure ventilation cabinet (17) and the tunnel type oven (18) are all arranged on the right side wall, and the operation holes (24) and the sealing door (15) in the shoveling negative pressure ventilation cabinet (19) are arranged on the front end side wall.
9. A method of dismantling a low radioactivity dense pleat waste filter using the apparatus of claim 1, characterized by: the method comprises the following steps:
A. and (3) starting under micro negative pressure: closing all sealing doors (15) and starting a matched ventilation system and a matched lighting system; the lighting lamp (2) and a system power supply are turned on, so that the inner cavities of the preparation negative pressure ventilation cabinet (4), the disassembly negative pressure ventilation cabinet (7), the decored negative pressure ventilation cabinet (17), the tunnel type oven (18) and the shoveling negative pressure ventilation cabinet (19) are all in a micro negative pressure state;
B. removing the outer package: loading the densely-pleated waste filter to be disassembled into the material inlet (23) on the right side wall of the preparation negative pressure ventilation cabinet (4), and closing the material inlet (23) in time; then, removing the outer package and the sealing strip of the low-radioactivity close-pleated waste filter by preparing an operation hole (24) on the side wall of the negative pressure ventilation cabinet (4);
C. Transfer to a transfer tray: opening a material inlet (23) on the rear end wall of the dismantling negative pressure ventilation cabinet (7), transferring the low-radioactivity close-fold type waste filter after the outer package is dismantled to a transfer tray (5) which is parked at the rear end of a longitudinal guide rail (10) in the inner cavity of the dismantling negative pressure ventilation cabinet (7) by means of an operation hole (24) on the side wall of the preparing negative pressure ventilation cabinet (4), wherein the length direction of a cuboid frame type metal shell wall in the low-radioactivity close-fold type waste filter to be cut is perpendicular to the longitudinal guide rail (10), namely, the front and rear handle end surfaces at the two ends of the length of the cuboid frame type metal shell wall are parallel to the longitudinal guide rail (10) and are positioned at the outer side of the longitudinal guide rail (10); then closing a material inlet (23) on the rear end wall of the dismantling negative pressure ventilation cabinet (7); starting clamping devices (6) arranged on the side baffles at the periphery of the transfer tray (5), and driving the clamping devices (6) to clamp two side surfaces and two handle end surfaces of a metal shell of the low-radioactivity close-fold waste filter by a clamping cylinder;
D. bottom seam cutting of the end face of the handle: firstly, starting two bottom seam cutting machines (9-1) to transversely move inwards along a transverse guide rail (8) at the same time, and locking the positions after transversely moving to a first cutting station, namely, matching the center distance between two disc-shaped cutting blades I with the length of a cuboid frame type metal shell wall of a close-pleated waste filter to be cut; then, the disc-shaped cutting blade I is started to rotate; simultaneously, a servo motor (16) is started to rotate, the servo motor (16) drives a screw rod (22) to drive a transfer tray (5) to translate forwards along a longitudinal guide rail (10), and when two handle end faces are in a first cutting station in the forward process, the joint seams of the front handle end face and the rear handle end face and the bottom face are cut by the disc-shaped cutting blades I which are horizontally arranged and correspond to the two sides from front to rear; after the cutting is finished, the disk-shaped cutting blade I stops rotating, and the bottom seam cutting machine (9-1) is started to transversely move to an initial position along the transverse guide rail (8) outwards;
E. The transfer tray is rotated 90 degrees counterclockwise: starting a rotating mechanism in the transfer tray (5) to enable the transfer tray (5) to rotate anticlockwise by 90 degrees, wherein the length direction of a cuboid frame type metal shell wall in the low-radioactivity close-fold type waste filter is parallel to the longitudinal guide rail (10), namely the end faces of handles at two ends of the length of the cuboid frame type metal shell wall are perpendicular to the longitudinal guide rail (10);
F. cutting a top seam of the top surface of the air outlet: firstly, starting two top seam cutting machines (9-2) to vertically descend to a second cutting station and then locking the positions, namely, at the moment, the center-to-center distance of two disc-shaped cutting blades II is matched with the width of a cuboid frame type metal shell wall of a low-radioactivity close-fold type waste filter to be cut; then, starting the disk-shaped cutting blade II to rotate; simultaneously, a servo motor (16) is started to rotate, the servo motor (16) drives a screw rod (22) to continuously drive a transfer tray (5) to translate forwards along a longitudinal guide rail (10), and when the top surface of the air outlet passes through a first cutting station in the forward process, two joint seams between the top surface of the air outlet and two adjacent side surfaces are cut by disc-shaped cutting blades II which are vertically arranged at the front and the rear sides correspondingly from front to rear; after the cutting is finished, the disk-shaped cutting blade II stops rotating, and the top seam cutting machine (9-2) is started to vertically ascend to an initial position;
G. Vertical seam cutting of front handle end face, separating front handle end face: the servo motor (16) is controlled to drive the screw rod (22) to continuously drive the transfer tray (5) to translate forwards along the longitudinal guide rail (10), and the transfer tray (5) is locked after moving to the third cutting station, namely, two joint seams of the front handle end face and two adjacent side faces are respectively positioned under a disc-shaped cutting blade III transversely and vertically arranged in two vertical seam cutting machines (9-3); then, starting a side plate clamping mechanism (12) to clamp the end face of the front handle; then, a vertical seam cutting machine (9-3) is started to vertically descend, a disc-shaped cutting blade III is started to rotate at the same time, and when two disc-shaped cutting blades III which are vertically installed descend while rotating, joint seams between the front handle end face and the adjacent side faces, namely two joint seams between the front handle end face and the adjacent two side faces, are cut from top to bottom; the bottom seam and the two vertical seams of the front handle end face are cut, and the joint of the front handle end face and the air outlet top face is of a strip seam structure, so that the front handle end face is completely separated from the whole cuboid frame-type metal shell wall at the moment; after the cutting is finished, the disk-shaped cutting blade III stops rotating, and the vertical seam cutting machine (9-3) is started to vertically ascend to an initial position;
H. End face of handle before transferring: starting a side plate transfer mechanism (13), driving a side plate clamping mechanism (12) to clamp the end face of the front handle and move, and transferring the end face of the front handle to a decoring negative pressure ventilation cabinet (17);
I. the transfer tray is rotated 180 degrees clockwise: starting a rotating mechanism in the transfer tray (5) to enable the transfer tray (5) to rotate 180 degrees clockwise, and enabling the end face of the rear handle to rotate to a position behind a third cutting station and be locked, namely enabling two joint seams of the end face of the rear handle and two adjacent side faces to be respectively located under disc-shaped cutting blades III in two vertical seam cutting machines (9-3);
J. vertical seam cutting of back handle terminal surface, separation back handle terminal surface: starting a side plate clamping mechanism (12) to clamp the end face of the rear handle; then, starting a vertical seam cutting machine (9-3) to vertically descend, and simultaneously starting a disc-shaped cutting blade III to rotate, wherein when two disc-shaped cutting blades III which are vertically installed descend while rotating, joint seams between the end face of a rear handle and the adjacent side faces are respectively formed from top to bottom, namely, the two joint seams between the end face of the rear handle and the adjacent two side faces are cut; the bottom seam and the two vertical seams of the end face of the rear handle are cut, and the joint of the end face of the rear handle and the top face of the air outlet is in a strip seam structure, so that the end face of the rear handle is completely separated from the whole cuboid frame-type metal shell wall at the moment; after the cutting is finished, the disk-shaped cutting blade III stops rotating, and the vertical seam cutting machine (9-3) is started to vertically ascend to an initial position;
K. End face of handle after transferring: starting a side plate transfer mechanism (13), driving a side plate clamping mechanism (12) to clamp the end face of the rear handle to move, and transferring the end face of the rear handle to a decoring negative pressure ventilation cabinet (17);
l, slitting a shell and transferring: firstly, opening a sealing door (15) positioned on the side wall of the disassembly negative pressure ventilation cabinet (7), transferring the cut metal shell to a decored negative pressure ventilation cabinet (17), and then closing the sealing door (15) on the side wall of the disassembly negative pressure ventilation cabinet (7);
m, decoring: a Mo Yingbao WYB core cutting tool arranged in the inner cavity of the decoring negative pressure ventilation cabinet (17) cuts and shovels off the core, the core is blanked on site, a sealing cover plate plugged by a material outlet (20) at the bottom surface of the cavity of the decoring negative pressure ventilation cabinet (17) is opened, and the shoveled core falls into a waste bucket (1) connected with the bottom through the material outlet (20) at the bottom surface of the cavity of the decoring negative pressure ventilation cabinet (17) and is transported through a corresponding transport trolley (21); the metal shell after the decoring is primarily cleaned in a decoring negative pressure ventilation cabinet (17) to remove fallen scraps;
heating the metal shell: then, opening an isolation door (3) between the outlet of the decored negative pressure ventilation cabinet (17) and the inlet of the tunnel type oven (18), putting the metal shell into the tunnel type oven (18), and then closing the isolation door (3) between the outlet of the decored negative pressure ventilation cabinet (17) and the inlet of the tunnel type oven (18), wherein the adhesiveness of the colloid attached to the metal shell after disassembly is changed in a heating mode, so that the sorting of materials is facilitated;
0. Shoveling: then opening an isolation door (3) between the outlet of the shoveling negative pressure ventilation cabinet (19) and the inlet of the tunnel type oven (18), transferring the heated metal shell to the shoveling negative pressure ventilation cabinet (19), and closing the isolation door (3) between the outlet of the shoveling negative pressure ventilation cabinet (19) and the inlet of the tunnel type oven (18); the colloid adhered to the surface of the metal shell is shoveled by an electric shovel blade in the shoveling negative pressure ventilation cabinet (19) through an operation hole on the side wall of the shoveling negative pressure ventilation cabinet (19), and the metal shell in a disassembled state is thoroughly separated from the colloid at the moment; the sealing cover plate plugged by the material outlet (20) at the bottom surface of the cavity of the shoveling negative pressure ventilation cabinet (19) is opened, colloid residues under shoveling fall into the waste barrel (1) connected with the bottom through the material outlet (20) at the bottom surface of the cavity of the shoveling negative pressure ventilation cabinet (19), and after the colloid is removed, the metal shell in a disassembled state is taken out through the sealing door (15) matched with the operation hole on the side wall of the shoveling negative pressure ventilation cabinet (19), classified and packed and transported through the corresponding transport trolley (21).
10. The method of dismantling a low radioactivity dense pleat type waste filter of claim 9, wherein: the temperature of the inner cavity of the box body of the tunnel type oven (18) is constant, and the working temperature is constant at 115-125 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711285961.1A CN107812781B (en) | 2017-12-07 | 2017-12-07 | Equipment and method for disassembling low-radioactivity close-pleated waste filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711285961.1A CN107812781B (en) | 2017-12-07 | 2017-12-07 | Equipment and method for disassembling low-radioactivity close-pleated waste filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107812781A CN107812781A (en) | 2018-03-20 |
| CN107812781B true CN107812781B (en) | 2023-09-12 |
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