CN110549101B - Core removing device of multiplex high-efficiency filter of nuclear power station - Google Patents

Core removing device of multiplex high-efficiency filter of nuclear power station Download PDF

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Publication number
CN110549101B
CN110549101B CN201910767261.9A CN201910767261A CN110549101B CN 110549101 B CN110549101 B CN 110549101B CN 201910767261 A CN201910767261 A CN 201910767261A CN 110549101 B CN110549101 B CN 110549101B
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China
Prior art keywords
filter
scraper
driving
plate
nuclear power
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CN201910767261.9A
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Chinese (zh)
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CN110549101A (en
Inventor
莫玉峰
游冰
恽健
张库国
孙晓坤
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China General Nuclear Power Corp
CGN Power Co Ltd
Daya Bay Nuclear Power Operations and Management Co Ltd
Lingdong Nuclear Power Co Ltd
Guangdong Nuclear Power Joint Venture Co Ltd
Lingao Nuclear Power Co Ltd
Original Assignee
China General Nuclear Power Corp
CGN Power Co Ltd
Daya Bay Nuclear Power Operations and Management Co Ltd
Lingdong Nuclear Power Co Ltd
Guangdong Nuclear Power Joint Venture Co Ltd
Lingao Nuclear Power Co Ltd
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Application filed by China General Nuclear Power Corp, CGN Power Co Ltd, Daya Bay Nuclear Power Operations and Management Co Ltd, Lingdong Nuclear Power Co Ltd, Guangdong Nuclear Power Joint Venture Co Ltd, Lingao Nuclear Power Co Ltd filed Critical China General Nuclear Power Corp
Priority to CN201910767261.9A priority Critical patent/CN110549101B/en
Publication of CN110549101A publication Critical patent/CN110549101A/en
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Publication of CN110549101B publication Critical patent/CN110549101B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/16Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
    • B08B1/165Scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines 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
    • B23P19/04Machines 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The application relates to the field of ventilation systems of nuclear power plants, and discloses a core removing device of a multiplex type high-efficiency filter of a nuclear power plant, which comprises: a frame for carrying a filter; the scraper is used for scraping the filter element inside the filter; the fixing mechanism is used for fixing the filter on the frame; a first driving part for driving the scraper to slide along the inner surface of the filter; and a second drive member for driving the scraper toward and away from the inner surface of the filter. This application is close to and keeps away from the internal surface of filter through second driver part drive scraper, slide along the internal surface of filter through first driver part drive scraper, make the filter core in the scraper extrudees the filter downwards, the viscose between filter internal surface and the filter core is scraped to the cutting edge of scraper simultaneously, can follow the inside of multiplexing type high efficiency filter and get rid of the filter core, it is clean that simple work and filter core are got rid of, can also avoid the manual work to remove the problem that the core is scalded by filter core and viscose easily.

Description

Core removing device of multiplex high-efficiency filter of nuclear power station
Technical Field
The application relates to the field of ventilation systems of nuclear power plants, in particular to a core removing device of a multiplex high-efficiency filter of a nuclear power plant.
Background
The factory buildings or facilities for production of the nuclear power station are all required to be provided with ventilation systems for air purification, and the ventilation systems not only realize the ventilation function of air purification in the general sense, but also need to consider the purification problem of radioactive substances in the air of the nuclear power station. In order to purify such air, nuclear power plant ventilation systems are equipped with the necessary air filters for removing dust and radioactive particulate matter. However, at present, since the filter element in the air filter is permanently fixed in the air filter, and can not be dismounted without damage, after the filter element is out of function, the whole air filter needs to be replaced together, and the air filter as nuclear radioactive waste can not be reused and can not be placed at will, so that the nuclear waste treatment cost is high.
Therefore, the applicant develops a multiplexing type high-efficiency filter, the structure of the filter comprises a box body and a filter element, an insert body is formed by connecting a plurality of plates through a threaded connection structure to form a detachable cuboid structure, and the filter element is fixed on the inner wall of the box body through a sealant; the sealant is solid at natural gas temperature and is melted into colloid at a preset temperature. When the filter element is replaced by the filter, workers need to disassemble the box body firstly and then arrange the box body at a preset temperature to melt the sealant into a colloid, so that the filter element can be smoothly removed from the plate, the residual sealant on the plate is scraped and subjected to radiation treatment, and finally the plate is repeatedly assembled into the box body and a new filter element is arranged on the box body through the sealant, so that the box body of the filter can be recycled, and the emission of nuclear waste is reduced while the cost is reduced. In the process of removing the filter element, although the sealant can be melted into a colloid at a preset temperature, the inner wall of the box body and the filter element are still combined tightly, so that the disassembly difficulty of workers is large, and the sealant and the filter element are not easy to be completely removed from the plate.
Content of application
An object of this application is to provide a nuclear power station multiplex type high efficiency filter's device that removes core to the filter core and the sealed glue of solving the filter get rid of the degree of difficulty and be difficult to get rid of clean technical problem.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: the core removing device of the multiplex high-efficiency filter of the nuclear power station comprises a frame for bearing the filter and the following structures arranged on the frame:
the scraper is used for scraping the filter element inside the filter;
the fixing mechanism is used for fixing the filter on the frame;
a first driving part for driving the scraper to slide along the inner surface of the filter; and
a second drive member for driving the scraper toward and away from the inner surface of the filter.
Furthermore, the fixing mechanism comprises two clamping plates which are arranged oppositely and a third driving part which is used for driving the two clamping plates to move relatively, and the two clamping plates are respectively matched with two opposite outer surfaces of the filter in an abutting mode.
Furthermore, the number of the third driving parts is two, and the two third driving parts are respectively connected with one clamping plate and are used for driving the clamping plates to slide in a reciprocating manner.
Further, the third driving part is provided with an air cylinder, and a power transmission structure is arranged between the output end of the third driving part and the surface of the clamping plate.
Furthermore, the power transmission structure comprises a connecting plate and a plurality of connecting rods which are parallel to each other and are arranged at intervals, the connecting plate is arranged at the output end of the third driving part, and the connecting rods are respectively arranged between the connecting plate and the clamping plate.
Further, the rack comprises two vertical plates which are arranged oppositely, mounting frames are respectively arranged on the surfaces of the two vertical plates which are opposite to each other, the third driving part is fixed on the mounting frames, and the vertical plates are provided with first through holes for the connecting rods to slide.
Further, the power transmission structure comprises a plurality of supporting rods, the supporting rods are provided with a first end and a second end which are arranged oppositely, the first ends of the supporting rods are connected to the output end of the third driving part, and the second ends of the supporting rods are arranged at intervals and are connected with the clamping plate respectively.
Further, the first driving part is a linear motor, a knife rest is connected to an output end of the first driving part, the scraper is mounted on the knife rest, and the first driving part is used for driving the scraper on the knife rest to slide along the inner surface of the filter.
Furthermore, the frame includes the diaphragm and two riser that set up relatively, the relative both sides portion of diaphragm respectively with the top of riser is connected, first driver part is installed on the diaphragm, diaphragm and two the riser enclose to close and form the cavity that is used for holding the filter.
Furthermore, the scraper is provided with two groups, each group of the scrapers is provided with a plurality of the scrapers, and the plurality of the scrapers in each group are arranged at intervals along a straight line direction.
Further, the bottom of the knife rest is provided with a pressure rod for extruding a filter element of the filter, and the knife rest is also provided with a second through hole for the blade of the scraper to pass through.
Further, the second driving component is arranged to be an air cylinder, an output end of the second driving component is connected with a mounting plate, the second driving component is fixed on the cutter frame, the scraper is mounted on the mounting plate, and the second driving component is used for driving the scraper on the mounting plate to be close to and far away from the inner surface of the filter.
Further, the rack comprises a case, the case is provided with a panel fixedly connected with the vertical plate, a material receiving barrel is arranged in the case, and the panel of the case is provided with a feeding hole communicated with the material receiving barrel in the case.
Further, the filter comprises a detachable box body and a filter element which is fixedly bonded in the box body, and a plurality of strip-shaped air holes are respectively formed in two opposite surfaces of the box body.
Further, the filter core includes a plurality of filter, and is a plurality of the filter connects into the ruggedness according to the preface end to end, and every adjacent two the filter is connected and is formed the filter unit that the cross-section is the V style of calligraphy, the filter unit has rectangular shape opening, just rectangular shape open-ended length direction with the length direction of bar bleeder vent is parallel.
The beneficial effect of this application lies in: fix the filter in the frame through fixed establishment, the internal surface that the filter was close to and kept away from to second driver part drive scraper, the internal surface of filter is hugged closely to the cutting edge homoenergetic of scraper when making the filter place different positions in the frame, the internal surface slip of filter is followed to first driver part drive scraper, make the filter core in the scraper extrudees the filter downwards, the viscose between filter internal surface and the filter core is strikeed off to the cutting edge of scraper simultaneously, can follow the inside of filter and get rid of the filter core, it is clean to work simple and the filter core is got rid of, can also avoid the manual work to remove the problem that the core is scalded by filter core.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of a decoring apparatus according to an embodiment of the present application;
FIG. 2 is a schematic view of a part of the structure of a decoring apparatus according to an embodiment of the present application;
FIG. 3 is a schematic view of a power transmission structure in an embodiment of the present application;
FIG. 4 is another schematic view of a power transmission structure in an embodiment of the present application;
FIG. 5 is a schematic view showing the overall structure of a filter according to an embodiment of the present invention;
fig. 6 is a schematic view showing an assembly structure of the filter in the embodiment of the present application.
Wherein, each mark in the figure is:
1. a frame; 11. a vertical plate; 111. a first through hole; 12. a mounting frame; 13. a transverse plate; 14. a chassis; 141. a panel; 142. a feed inlet; 2. a scraper; 3. a fixing mechanism; 31. a third drive member; 32. a clamping plate; 33. a power transmission structure; 331. a connecting plate; 332. a connecting rod; 333. a support bar; 4. a first drive member; 5. a second drive member; 6. a tool holder; 61. a pressure lever; 62. a second through hole; 7. mounting a plate; 8. a filter; 81. a box body; 811. strip-shaped air holes; 812. an air intake panel; 813. an air outlet panel; 814. an upper side plate; 815. a lower side plate; 816. a left side plate; 817. a right side plate; 82. a filter element; 821. a filter plate; 822. a strip-shaped opening; 83. and (5) sealing rings.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and operate, and thus are not to be construed as limiting the patent, and the specific meanings of the above terms will be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
As shown in fig. 1 and 2, the present application provides a core removing device for a reusable high efficiency filter of a nuclear power plant, which comprises a frame 1, a scraper 2, a fixing mechanism 3, a first driving part 4 and a second driving part 5. Specifically, the filter 8 is carried on the frame 1, and the fixing mechanism 3 on the frame 1 fixes the filter 8 on the frame 1; the first driving member 4 on the frame 1 can drive the scraper 2 to slide along the inner surface of the filter 8, so that the blade of the scraper 2 scrapes off the filter element 82 inside the filter 8, and the second driving member 5 can drive the scraper 2 to approach and move away from the inner surface of the filter 8, so that the blade of the scraper 2 can be tightly attached to the inner surface of the filter 8 when the filter 8 is placed at different positions on the frame 1.
When the device works, two opposite end covers or side plates of the filter 8 are firstly removed, then the filter 8 is placed on the frame 1 of the core removing device, and the filter 8 is fixed by the fixing mechanism 3; then, the heater of the core removing device is used for heating the filter 8 to a preset temperature, so that the viscose between the filter element 82 of the filter 8 and the box body 81 of the filter 8 is melted, and other heating devices can be used for heating the filter 8 to the preset temperature before the filter 8 is placed on the frame 1 and fixed; then the first driving component 4 drives the scraper 2 to move downwards until the scraper 2 extends into the opening of one side of the removed end cover or side plate of the filter 8, the second driving component 5 drives the scraper 2 to move forwards to be close to the inner surface of the filter 8 and enables the cutting edge of the scraper 2 to be abutted with the inner surface of the filter 8, then the first driving component 4 drives the scraper 2 to move downwards again, the filter element 82 in the filter 8 is pressed downwards, molten viscose between the inner surface of the filter 8 and the filter element 82 is scraped, and the filter element 82 falls from the opening of the other side of the removed end cover or side plate of the filter 8, so that the filter element 82 of the filter 8 can be removed.
This application is fixed filter 8 in frame 1 through fixed establishment 3, the internal surface that second drive assembly 5 drive scraper 2 is close to and keeps away from filter 8, the internal surface of filter 8 is hugged closely to the cutting edge homoenergetic of scraper 2 when making filter 8 place different positions in frame 1, first drive assembly 4 drive scraper 2 slides along filter 8's internal surface, make filter core 82 in scraper 2 extrudees filter 8 downwards, the viscose between filter 8 internal surface and the filter 8 filter core 82 is scraped to the cutting edge of scraper 2 simultaneously, can get rid of filter core 82 from filter 8's inside, moreover, the operation is simple and filter core 82 gets rid of totally, can also avoid artifical problem that the core is scalded by filter core 82 and viscose easily.
In one embodiment, the fixing mechanism 3 comprises a third driving member 31 and two clamping plates 32, the two clamping plates 32 are oppositely arranged and respectively in abutting fit with two opposite outer surfaces of the filter 8, and the third driving member 31 is used for driving the two clamping plates 32 to move close to and away from each other. After filter 8 was placed in frame 1, two grip blocks 32 of third drive component 31 drive were close to each other, made two grip blocks 32 originally do not with two surface butts that filter 8 is relative, can fix the centre gripping of filter 8 in frame 1, filter 8 moved when avoiding follow-up scraper 2 to slide downwards to remove the core, ensured going on smoothly of removing the core work.
In one embodiment, the third driving members 31 are preferably provided in two, and each of the two third driving members 31 is connected to one of the clamping plates 32 and is configured to drive the clamping plate 32 to slide back and forth. Obviously, at least one of the two clamping plates 32 can be driven by the third driving part 31 to realize the mutual approaching and separating of the two clamping plates 32, in this application, the two clamping plates 32 are respectively driven by the two third driving parts 31, so that the filter 8 is still when being clamped and fixed, the two clamping plates 32 respectively move towards the filter 8 to clamp and fix the filter 8, and the situation that only one clamping plate 32 moves needs to be avoided that the clamping plate 32 pushes the filter 8 to move towards the other clamping plate 32; since the filter 8 is generally relatively large in volume and weight, the two clamping plates 32 are more flexibly driven by the two third driving members 31, and the outer surface of the filter 8 can be prevented from being scratched or pushed down during pushing.
In one embodiment, the third driving member 31 is configured as an air cylinder, and a power transmission structure 33 is disposed between an output end of the third driving member 31 and a surface of the clamping plate 32. The air cylinder is used as the third driving part 31, the action is quick and accurate, and the clamping plate 32 with a plate-shaped structure can increase the area of the outer surface of the filter 8 which is clamped and fixed; the power transmission structure 33 is arranged between the output end of the third driving component 31 and the clamping plate 32, so that the power at the output end of the third driving component 31 is transmitted to the clamping plate 32 more uniformly, and the deformation or unstable clamping of the outer surface of the filter 8 due to stress concentration is avoided.
Referring to fig. 3, in one embodiment, the power transmission structure 33 includes a connection plate 331 and a plurality of connection rods 332 arranged in parallel and at intervals (preferably, at equal intervals), the connection plate 331 is disposed at an output end of the third driving part 31, and the plurality of connection rods 332 are respectively disposed between the connection plate 331 and the clamping plate 32. The power of the third driving member 31 is transmitted to the clamping plate 32 through the plurality of connecting rods 332 arranged in parallel and at intervals, so that the clamping plate 32 can clamp the outer surface of the filter 8 more stably, and the outer surface of the filter 8 is stressed more uniformly.
In one embodiment, the structure of the frame 1 includes two opposite vertical plates 11, the two opposite surfaces of the two vertical plates 11 are respectively provided with a mounting frame 12, the third driving member 31 is fixed on the mounting frame 12, and the vertical plate 11 has a first through hole 111 for the connecting rod 332 to slide, so that the third driving member 31 and the power transmission structure 33 are more convenient to mount, and the filter 8 can be better clamped and fixed.
Referring to fig. 4, in an embodiment, the power transmission structure 33 may further include a plurality of support rods 333, the support rods 333 having a first end and a second end opposite to each other, the first ends of the support rods 333 being connected to the output end of the third driving member 31, or it is understood that the first ends of the support rods 333 are collectively connected to the output end of the third driving member 31, and the second ends of the support rods 333 are arranged at intervals (preferably, at equal intervals) and are respectively connected to the surface of the clamping plate 32. The power transmission structure 33 is connected to the output end of the third driving member 31 and the clamping plate 32 through the inclined support rods 333, and can also transmit the power at the output end of the third driving member 31 to the clamping plate 32 more uniformly, thereby preventing the outer surface of the filter 8 from deforming or clamping unstably due to stress concentration.
In one embodiment, the first driving member 4 is configured as a linear motor, the output end of the first driving member 4 is connected with the knife rest 6, the scraper 2 is installed on the knife rest 6, the first driving member 4 is used for driving the scraper 2 on the knife rest 6 to slide along the inner surface of the filter 8, so that the scraper 2 can be more conveniently assembled and disassembled, and any number of the scrapers 2 can be installed on one knife rest 6, and the position of the cutting edge of the scraper 2 can be adjusted.
In one embodiment, the frame 1 includes a horizontal plate 13 and two vertical plates 11 disposed oppositely, two opposite sides of the horizontal plate 13 are respectively connected to tops of the vertical plates 11, the first driving member 4 is mounted on the horizontal plate 13, and the horizontal plate 13 and the two vertical plates 11 enclose to form a chamber for accommodating the filter 8, which is simple in structure and facilitates both placement and fixation of the filter 8 and installation of the first driving member 4 and the third driving member 31.
In one embodiment, the scrapers 2 may be provided in two groups, each group of the scrapers 2 is provided with a plurality of scrapers, and the plurality of scrapers 2 in each group are arranged at intervals along a straight line direction. The two groups of scrapers 2 are arranged, and the two groups of scrapers 2 are respectively used for extruding two opposite outer side parts of the filter element 82 and scraping the viscose between two opposite inner surfaces of the filter 8 and the filter element 82 during core removal, so that the filter element 82 of the filter 8 can be removed more easily, and the viscose on the two opposite inner surfaces of the filter 8 can also be scraped cleanly.
In one embodiment, the bottom of the blade holder 6 is provided with a pressure rod 61 for pressing the filter insert 82 of the filter 8, and the blade holder 6 further has a second through hole 62 through which the cutting edge of the scraper 2 passes. When the filter 8 is subjected to core removal, the filter element 82 is firstly pressed downwards by the pressure lever 61, the cutting edge of the scraper 2 slides along the inner surface of the filter 8 to scrape off the adhesive, and the pressure lever 61 can more effectively press the filter 8 compared with the scraper 2, so that the filter element 82 cannot be completely separated from the inner surface of the filter 8 under the condition that the filter element is only pressed by the scraper 2; the compression bar 61 and the scraper 2 respectively complete two processes of extruding the filter element 82 and scraping the viscose, and the two processes are mutually matched, so that the filter element 82 and the viscose inside the filter 8 can be smoothly removed. The scraper blade 2 is extendable and retractable with respect to the blade holder 6 through the second through hole 62 of the blade holder 6, thereby enabling the second driving member 5 to drive the scraper blade 2 closer to and away from the inner surface of the filter 8.
In one embodiment the second drive member 5 is provided as a pneumatic cylinder, the output of the second drive member 5 is connected to a mounting plate 7, the second drive member 5 is secured to a blade holder 6, the scraper blade 2 is mounted on the mounting plate 7, and the second drive member 5 is adapted to drive the scraper blade 2 on the mounting plate 7 towards and away from the inner surface of the filter 8. Through the mounting plate 7 and the related mounting structure thereof, the scraper 2 can be driven by the first driving part 4 to slide along the inner surface of the filter 8, and also can be driven by the second driving part 5 to be close to and far away from the inner surface of the filter 8, so that the structure is simple, the mounting is convenient, and the dismounting, the replacement, the blade angle adjustment and the like of the scraper 2 are convenient.
In one embodiment, the housing 1 further comprises a case 14, the case 14 has a panel 141 fixedly connected to the vertical plate 11, and the filter core 82 is placed on the panel 141 when removing the core; the inside of machine case 14 is provided with the receipts storage bucket, and the panel 141 of machine case 14 has the feed inlet 142 that is linked together with the receipts storage bucket in machine case 14, makes the filter core 82 of filter 8 can be collected by the receipts storage bucket in machine case 14 after having been got rid of in a centralized way, and it is more convenient to use.
The disassembling device can be used for removing the filter element 82 of the reusable high-efficiency filter 8 of the nuclear power station, and one of the filters 8 which can be used in the disassembling device is described below.
Referring to fig. 5, the filter 8 includes a detachable box 81 and a filter element 82 fixed in the box 81 by a sealant, two opposite surfaces (air inlet surface and air outlet surface) of the box 81 are respectively provided with a plurality of strip-shaped air vents 811, and the sealant is a hot melt adhesive which is solid at natural temperature and can be melted into a colloid at a preset temperature in the prior art.
Referring to fig. 6, specifically, the filter element 82 includes a plurality of filter plates 821, the plurality of filter plates 821 are sequentially connected end to form a folded shape, and every two adjacent filter plates 821 are connected to form a filter unit with a V-shaped cross section; the filtering unit is provided with a strip-shaped opening 822, and the length direction of the strip-shaped opening 822 is parallel to the length direction of the strip-shaped air hole 811; the filter plate 821 can be a plate-shaped structure made of glass fiber, has better performance of dust removal and radioactive particulate matter removal, and meets the use standard of the nuclear power station. The cross-section of the filter unit is V-shaped, which increases the effective filtering area, so that the air flow can flow through the filter element 82 through the optimal path and be filtered sufficiently, and the filter 8 has a high-efficiency filtering function.
The box 81 is formed by detachably connecting a plurality of stainless steel plates through a threaded connection structure, and comprises an air inlet panel 812, an air outlet panel 813, an upper side plate 814, a lower side plate 815, a left side plate 816 and a right side plate 817, wherein a plurality of strip-shaped air holes 811 which are arranged in parallel are arranged on the air inlet panel 812 and the air outlet panel 813, a sealing ring 83 is arranged on the outer surface of the air inlet panel 812, and the strip-shaped air holes 811 on the air inlet panel 812 are distributed in the sealing ring 83. Before the filter 8 is disassembled from the upper side plate 814 and the lower side plate 815, the threaded connection structure on the box 81 is disassembled; after the upper panel 814 and lower panel 815 of the filter 8 are removed, the filter cartridge 82 can be removed from the interior of the filter 8 using a decoring apparatus as described herein.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (13)

1. The device for removing the core of the multiplex high-efficiency filter of the nuclear power station is characterized by comprising a frame for bearing the filter and the following structures arranged on the frame:
the scraper is used for scraping the filter element inside the filter;
the fixing mechanism is used for fixing the filter on the frame;
a first driving part for driving the scraper to slide along the inner surface of the filter; and
a second drive member for driving the scraper toward and away from the inner surface of the filter;
the first driving part is a linear motor, the output end of the first driving part is connected with a knife rest, the scraper is installed on the knife rest, and the first driving part is used for driving the scraper on the knife rest to slide along the inner surface of the filter;
the bottom of the knife rest is provided with a pressure lever for extruding the filter element of the filter, and the knife rest is also provided with a second through hole for the cutting edge of the scraper to pass through.
2. The device for removing the cores of the multiplex high-efficiency filter of the nuclear power plant as claimed in claim 1, wherein the fixing mechanism comprises two clamping plates which are arranged oppositely and a third driving component for driving the two clamping plates to move relatively, and the two clamping plates are respectively in butt fit with two opposite outer surfaces of the filter.
3. The apparatus as claimed in claim 2, wherein two third driving members are provided, and each of the two third driving members is connected to one of the clamping plates and drives the clamping plate to slide back and forth.
4. The apparatus as claimed in claim 2, wherein the third driving member is a cylinder, and a power transmission structure is provided between an output end of the third driving member and a surface of the clamping plate.
5. The apparatus as claimed in claim 4, wherein the power transmission structure comprises a connecting plate and a plurality of connecting rods arranged in parallel and at intervals, the connecting plate is disposed at an output end of the third driving member, and the plurality of connecting rods are respectively disposed between the connecting plate and the clamping plate.
6. The device for removing the cores of the multiplex high-efficiency filter of the nuclear power plant as claimed in claim 5, wherein the frame comprises two vertical plates which are oppositely arranged, mounting frames are respectively arranged on the opposite surfaces of the two vertical plates, the third driving member is fixed on the mounting frames, and the vertical plates are provided with first through holes for the connecting rods to slide.
7. The apparatus as claimed in claim 4, wherein the power transmission structure comprises a plurality of support rods, the support rods have a first end and a second end opposite to each other, the first ends of the support rods are connected to the output end of the third driving member, and the second ends of the support rods are arranged at intervals and connected to the holding plate respectively.
8. The device for removing the cores of the reusable high-efficiency filter of the nuclear power plant as claimed in claim 1, wherein the rack comprises a transverse plate and two vertical plates which are arranged oppositely, two opposite sides of the transverse plate are respectively connected with the tops of the vertical plates, the first driving part is installed on the transverse plate, and the transverse plate and the two vertical plates surround to form a cavity for accommodating the filter.
9. The de-coring device of the multiplex high-efficiency filter of the nuclear power plant as claimed in claim 1, wherein the scrapers are provided in two groups, each group of the scrapers is provided with a plurality of the scrapers, and the plurality of the scrapers in each group are respectively arranged at intervals along a straight line direction.
10. The de-coring device of a multiplex high efficiency filter of a nuclear power plant as claimed in claim 1, wherein the second driving member is configured as an air cylinder, an output end of the second driving member is connected with a mounting plate, the second driving member is fixed on the knife rest, the scraper is mounted on the mounting plate, and the second driving member is configured to drive the scraper on the mounting plate to approach and depart from an inner surface of the filter.
11. The de-coring device of the multiplex high-efficiency filter of the nuclear power plant as claimed in claim 8, wherein the frame comprises a case, the case is provided with a panel fixedly connected with the vertical plate, a receiving barrel is arranged in the case, and the panel of the case is provided with a feeding hole communicated with the receiving barrel in the case.
12. The apparatus as claimed in any one of claims 1 to 11, wherein the filter comprises a detachable box and a filter element fixed in the box by bonding, and a plurality of strip-shaped air vents are respectively disposed on two opposite surfaces of the box.
13. The apparatus as claimed in claim 12, wherein the filter element comprises a plurality of filter plates, the plurality of filter plates are sequentially connected end to form a folded shape, and every two adjacent filter plates are connected to form a filter unit with a V-shaped cross section, the filter unit has a long strip-shaped opening, and the length direction of the long strip-shaped opening is parallel to the length direction of the strip-shaped air holes.
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