CN113909664A - Device and method for assembling and welding honeycomb-shaped porous heat exchange element - Google Patents

Device and method for assembling and welding honeycomb-shaped porous heat exchange element Download PDF

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Publication number
CN113909664A
CN113909664A CN202111435800.2A CN202111435800A CN113909664A CN 113909664 A CN113909664 A CN 113909664A CN 202111435800 A CN202111435800 A CN 202111435800A CN 113909664 A CN113909664 A CN 113909664A
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China
Prior art keywords
heat exchange
exchange element
welding
pressing
honeycomb
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CN202111435800.2A
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CN113909664B (en
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王盛
陈浩浩
周迎平
陈佳新
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Dongfang Electric Wuhan Nuclear Equipment Co ltd
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Dongfang Electric Wuhan Nuclear Equipment Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00Electron-beam welding or cutting
    • B23K15/0006Electron-beam welding or cutting specially adapted for particular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00Electron-beam welding or cutting
    • B23K15/0013Positioning or observing workpieces, e.g. with respect to the impact; Aligning, aiming or focusing electronbeams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00Electron-beam welding or cutting
    • B23K15/0026Auxiliary equipment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00Electron-beam welding or cutting
    • B23K15/0046Welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/04Tubular or hollow articles
    • B23K2101/14Heat exchangers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention belongs to the technical field of manufacturing and forming of heat exchangers, and discloses a device and a method for assembling and welding a honeycomb-shaped porous heat exchange element. The invention solves the technical problems that longer heat exchange elements cannot be processed, the cost is higher and the efficiency is lower in the processing of honeycomb-shaped porous heat exchange elements in the prior art.

Description

Device and method for assembling and welding honeycomb-shaped porous heat exchange element
Technical Field
The invention belongs to the technical field of manufacturing and forming of heat exchangers, and particularly relates to a device and a method for assembling and welding a honeycomb-shaped porous heat exchange element.
Background
Heat exchangers are one of the major mechanical devices in nuclear power plants and function to transfer heat from one medium to another. The heat exchangers are various in number and type, such as a steam generator, a low-pressure heater, a high-pressure heater, a condenser, a cooler and the like, and the heat exchanger of any type is composed of heat exchange elements. For the honeycomb-shaped porous heat exchange element, the existing manufacturing process adopts an integral machining forming method and adopts special equipment to drill deep holes in a honeycomb-shaped inner hole. However, the processing technology is often limited by the processing length, cannot complete the processing of a longer heat exchange element, and has higher cost and lower efficiency. Therefore, it is necessary to provide a new method for processing honeycomb porous heat exchange elements.
Disclosure of Invention
The design idea of the invention is that the honeycomb-shaped porous heat exchange element is divided into a plurality of outer toothed plates with the same shape, and then the outer toothed plates and a plurality of inner pipes are spliced and welded on a welding device to form the honeycomb-shaped porous heat exchange element. Therefore, the invention aims to provide a device and a method for assembling and welding a honeycomb-shaped porous heat exchange element, so as to solve the technical problems that longer heat exchange elements cannot be processed, the cost is higher and the efficiency is lower in the process of processing the honeycomb-shaped porous heat exchange element in the prior art.
In order to achieve the above technical object, the present invention provides an assembling and welding device for a honeycomb-shaped porous heat exchange element, including a base, a positioning mechanism, a first pressing mechanism and a second pressing mechanism, wherein:
the base is provided with grooves for placing heat exchange elements, the grooves are arranged in a disconnected mode along the length direction of the base, disconnected portions of the grooves are welding vacant positions, and the number of the welding vacant positions is at least two;
the positioning mechanisms are respectively sleeved at two ends of the heat exchange element, a plurality of first adjusting screws are arranged on the positioning mechanisms, and the heat exchange element can be pressed and positioned by adjusting the plurality of first adjusting screws;
the first pressing mechanisms are arranged on two sides of the base, and the base part where each groove is located is correspondingly provided with one first pressing mechanism;
the second pressing mechanisms are arranged on the inner surface of the first pressing mechanism, the number of the second pressing mechanisms is the same as that of the first pressing mechanisms, the inner surface of the second pressing mechanism is abutted to the outer surface of the heat exchange element, a plurality of second adjusting screws penetrate through the first pressing mechanism, and the second pressing mechanisms can be pressed by adjusting the second adjusting screws, so that the heat exchange element is pressed.
In the above technical scheme, each groove includes a first supporting surface, a second supporting surface and a third supporting surface which are connected in sequence, the first supporting surface, the second supporting surface and the third supporting surface form a contact surface which is in contact with the outer surface of the heat exchange element, and the shape of the contact surface is matched with the outer contour of the heat exchange element.
Preferably, the distance between the first support surface and the third support surface decreases from the notch side of the groove toward the groove bottom side thereof.
Preferably, the first supporting surface and the third supporting surface are inclined planes, the second supporting surface is a plane, and the first supporting surface, the second supporting surface and the third supporting surface of the groove are arranged on the same straight line respectively.
In the above technical solution, the positioning mechanism is a hexagonal sleeve, the inner surface shape of the hexagonal sleeve is adapted to the outer contour of the heat exchange element, and the plurality of first adjusting screws are screwed to the edges of the hexagonal sleeve.
In the technical scheme, the first pressing mechanism comprises a long right-angle pressing strip and a short straight-angle pressing strip, two vertical edges of the long straight-angle pressing strip and the short straight-angle pressing strip are respectively in threaded connection with two sides of the base, two transverse edges of the long straight-angle pressing strip and the short straight-angle pressing strip are in butt joint and are connected through bolts, and the second adjusting screws are arranged on the two vertical edges of the long straight-angle pressing strip and the short straight-angle pressing strip and the transverse edges of the long straight-angle pressing strip respectively.
In the technical scheme, the second pressing mechanism comprises a V-shaped upper pressing block and two V-shaped side top blocks, the transverse edge of the V-shaped upper pressing block is arranged on the inner surface of the transverse edge of the long straight angle pressing strip, the inner surface of the V-shaped upper pressing block is abutted to the outer surface of the heat exchange element, a second adjusting screw rod arranged on the transverse edge of the long straight angle pressing strip is pressed on the transverse edge of the V-shaped upper pressing block, and the second adjusting screw rod positioned in the middle of the V-shaped upper pressing block penetrates through the transverse edge of the V-shaped upper pressing block and is pressed on the heat exchange element.
In the technical scheme, the two V-shaped side ejector blocks are respectively arranged on the inner sides of the vertical edges of the long straight angle pressing strip and the short straight angle pressing strip and used for adjusting splicing seams of the heat exchange element, the inner surface of each V-shaped side ejector block is abutted to the outer surface of the side surface of the heat exchange element, and the two V-shaped side ejector blocks respectively press the heat exchange element through second adjusting screws arranged on the vertical edges of the long straight angle pressing strip and the short straight angle pressing strip.
In the above technical scheme, the two V-shaped edges of the V-shaped upper pressing block are respectively provided with the second adjusting screw.
The invention also provides a method for assembling and welding the honeycomb-shaped porous heat exchange element, which is an assembling and welding method for dividing the heat exchange element into a plurality of outer toothed plates and a plurality of inner pipes which have the same shape, assembling and positioning the outer toothed plates and the inner pipes by the honeycomb-shaped porous heat exchange element assembling and welding device according to any one of claims 1 to 9, and finally welding and forming the outer toothed plates and the inner pipes.
Compared with the prior art, the invention has the following beneficial effects:
according to the device and the method for assembling and welding the honeycomb-shaped porous heat exchange element, the heat exchange element is placed in the groove of the base, the heat exchange element is positioned and locked by the positioning mechanism, and then the first pressing mechanism and the second pressing mechanism are used for pressing the heat exchange element by a certain length, so that the heat exchange element can be tightly spliced together; and then welding all splicing seams of the heat exchange element one by adopting the electron beams. The welding device of the invention provides another feasible method for manufacturing the heat exchange element, can ensure the assembly precision of the heat exchange element, can be suitable for the heat exchange element with any length, and ensures that the manufacture of the heat exchange element is not limited by the length any more.
Drawings
FIG. 1 is a schematic view of the overall structure of a welding apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of the welding apparatus of FIG. 1 with heat exchange elements removed;
FIG. 3 is a cross-sectional view of the positioning mechanism of FIG. 1;
FIG. 4 is a transverse cross-sectional view of the welding apparatus of FIG. 1;
the figures are numbered:
the method comprises the following steps of 1-base, 11-groove, 111-first supporting surface, 112-second supporting surface, 113-third supporting surface, 12-welding vacancy, 2-positioning mechanism, 21-first adjusting screw, 3-first pressing mechanism, 31-second adjusting screw, 32-long straight angle pressing strip, 33-short straight angle pressing strip, 4-second pressing mechanism, 41-V type upper pressing block, 42-V type side top block, 5-heat exchange element, 51-outer toothed plate and 52-inner tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 invention and are not intended to limit the invention.
In this embodiment, a welding device and a welding method according to the present invention are described in detail by taking a heat exchange element 5 composed of 6 external tooth plates 51 with the same shape and 19 hexagonal inner tubes 52 as an example.
Fig. 1 and 2 show the overall structure schematic diagram of the assembly and welding device of this embodiment, as shown in fig. 1-2, this embodiment relates to a honeycomb porous heat exchange element assembly and welding device, including base 1, positioning mechanism 2, first hold-down mechanism 3 and second hold-down mechanism 4, place heat exchange element 5 in base 1, positioning mechanism 2 cover is established at heat exchange element 2's both ends and is its location, second hold-down mechanism 4 and first hold-down mechanism 3 set gradually and compress tightly it on heat exchange element 2, make heat exchange element 5 not shift when the welding, can guarantee the assembly precision, wherein:
the base 1 is provided with a groove 11 for placing the heat exchange element 5, the groove 11 is arranged along the length direction of the base in a breaking mode, the breaking part of the groove 11 is a welding vacancy 12, the number of the welding vacancies 12 is at least two, and the welding vacancy 12 facilitates the welding and positioning of part of the position of the heat exchange element 5.
The positioning mechanisms 2 are respectively sleeved at two ends of the heat exchange element 5, a plurality of first adjusting screws 21 are arranged on the positioning mechanisms 2, and the first adjusting screws 21 can be adjusted to realize the compression positioning of the heat exchange element 5.
The first pressing mechanisms 3 are arranged on two sides of the base 1, and one first pressing mechanism 3 is correspondingly arranged at the base position where each groove 11 is located.
The second pressing mechanisms 4 are arranged on the inner surface of the first pressing mechanism 3, the number of the second pressing mechanisms is the same as that of the first pressing mechanisms 3, the inner surface of the second pressing mechanism 4 is abutted to the outer surface of the heat exchange element 5, a plurality of second adjusting screws 31 penetrate through the first pressing mechanism 3, and the second adjusting screws 31 are adjusted to press the second pressing mechanisms, so that the heat exchange element is pressed.
Specifically, each groove 11 includes a first supporting surface 111, a second supporting surface 112, and a third supporting surface 113 connected in sequence, the first supporting surface 111, the second supporting surface 112, and the third supporting surface 113 constitute a contact surface contacting with the outer surface of the heat exchange element 5, and the shape of the contact surface is adapted to the outer contour of the heat exchange element 5. In this embodiment, the heat exchange member 5 is formed by 6 external tooth plates, the cross section of which is hexagonal, so the first support surface 111 and the third support surface 113 of the groove 11 are inclined surfaces, the second support surface 112 is a plane surface, and the distance between the first support surface 111 and the third support surface 113 is gradually reduced from the notch side of the groove 11 to the groove bottom side thereof, so that the shape of the groove 11 matches the shape of the exterior of the heat exchange member 5.
Alternatively, the first supporting surfaces 111 of the plurality of grooves 11 are arranged in the same straight line, the second supporting surfaces 112 of the plurality of grooves 11 are arranged in the same straight line, and the third supporting surfaces 113 of the plurality of grooves 11 are also arranged in the same straight line, so that the straightness of the heat exchange element 5 when placed on the base 1 can be ensured.
Specifically, the welding vacancy 12 consists of two inclined planes and a plane, the plane is located in the middle, and the two inclined planes are respectively located on two sides of the plane; the height of the plane is generally lower than that of the second supporting surface 112, the distance between the two inclined planes is gradually increased from top to bottom, and by the arrangement, when the heat exchange element 5 is placed on the groove 11, a part of the heat exchange element 5 can be exposed between the two grooves 11, and the exposed part of the heat exchange element 5 is conveniently positioned and welded through the welding vacancy 12.
Specifically, as shown in fig. 3, the positioning mechanism 2 of this embodiment is a hexagonal sleeve, the inner surface of the hexagonal sleeve is in a hexagonal shape matched with the outer contour of the heat exchange element 5, 3 first adjusting screws 21 are arranged on each edge, when in use, the hexagonal sleeve is sleeved on both ends of the heat exchange element 5, and the first adjusting screws 21 on each edge are adjusted, so that the outer toothed plates 51 of the heat exchange element 5 are only attached together.
It can be understood that, in the actual use process, the positioning mechanism 2 may be in other shapes, such as a circle, a triangle, etc., and it is only necessary that the contact surface of the positioning mechanism 2 contacting the heat exchange element 5 is matched with the shape of the heat exchange element 5.
Specifically, as shown in fig. 4, the first pressing mechanism 3 includes a long right-angle bead 32 and a short straight-angle bead 33, two vertical edges of the long right-angle bead 32 and the short straight-angle bead 33 are respectively screwed to two sides of the base 1, two transverse edges of the long right-angle bead 32 and the short straight-angle bead 33 are butted and connected by a bolt, and the plurality of second adjusting screws 31 are respectively disposed on two vertical edges of the long straight-angle bead 32 and the short straight-angle bead 33 and on a transverse edge of the long straight-angle bead 31.
The second pressing mechanism 4 comprises a V-shaped upper pressing block 41 and two V-shaped side top blocks 42, the transverse edge of the V-shaped upper pressing block 41 is arranged on the inner surface of the transverse edge of the long right-angle pressing strip 32, the inner surface of the V-shaped upper pressing block 41 is abutted to the outer surface of the heat exchange element 5, a second adjusting screw 31 arranged on the transverse edge of the long right-angle pressing strip 32 is pressed on the transverse edge of the V-shaped upper pressing block 32, and the second adjusting screw 31 located in the middle penetrates through the transverse edge of the V-shaped upper pressing block 41 and is pressed on the heat exchange element 5.
Further, the two V-shaped side top blocks 42 are respectively disposed at the inner sides of the vertical edges of the long straight angle bead 32 and the short straight angle bead 33, and are used for adjusting the splicing seams of the heat exchange element, the inner surface of the V-shaped side top block 42 is abutted to the outer surface of the side surface of the heat exchange element 5, and the two V-shaped side top blocks 42 respectively press the heat exchange element 5 through the second adjusting screw 31 disposed at the vertical edges of the long straight angle bead 32 and the short straight angle bead 33.
Further, second adjusting screws 31 are arranged on two V-shaped edges of the V-shaped upper pressing block 41, so that a long right-angle pressing bar 32 and a short right-angle pressing bar 33 form an integral frame with the base 1 through screws during assembly, the outer toothed plates 51 of the heat exchange element 5 are assembled as shown in fig. 4, the left and right second adjusting screws 31 of the long right-angle pressing bar 32 adjust the V-shaped side top blocks 42 to tightly press the left and right outer toothed plates 51, the grooves 11 of the base 1 synchronously act on the left and right outer toothed plates 51 at the lower part of the heat exchange element 5, the second adjusting screw 31 in the middle of the long right-angle pressing bar 32 passes through the V-shaped upper pressing block 41 to act on the outer toothed plate 51 in the middle of the upper part, meanwhile, the left and right splicing seams are respectively adjusted by the two V-shaped side top blocks 42, the splicing seams of the outer toothed plates 51 are tightly adhered by comprehensive adjustment of each component and the adjusting screw, after adjustment, the 6 splicing seams formed by the 6 outer toothed plates 51 are positioned and welded, because the welding vacancy 12 exists during welding, the assembly and welding device does not need to be disassembled for readjustment, and the assembly precision of the heat exchange element 5 can be ensured.
Meanwhile, the implementation relates to a method for assembling and welding a honeycomb porous heat exchange element, which is an assembling and welding method that a heat exchange element 5 is divided into a plurality of external tooth plates 51 and a plurality of internal tubes 52 with the same shape, and the assembling and welding device for the honeycomb porous heat exchange element is used for assembling and positioning and finally welding and forming, and the specific process comprises the following steps:
1. placing 6 external tooth plates 51 and 19 hexagonal inner tubes 52 into the grooves 11 of the base 1;
2. sleeving the positioning mechanisms 2 (in this embodiment, hexagonal sleeves) at two ends of the heat exchange element 5 respectively, and adjusting the first adjusting screw 21 to compress the heat exchange element 5;
3. assembling a second pressing mechanism 4 on the first pressing mechanism 3, assembling and adjusting 6 external toothed plates 51 to enable 6 splicing seams of the external toothed plates 51 to be attached tightly, and then adjusting a second adjusting screw 31 to press the heat exchange element 5;
4. the 6 splicing seams are subjected to positioning welding through the welding vacancy 12, after the positioning welding is completed, the short right-angle pressing strip 33 is removed, the splicing seams are subjected to electron beam welding, the welding of one splicing seam of the outer toothed plate 51 is completed at one time, after 1 splicing seam is welded, the workpiece rotates, the workpiece is clamped again, and the welding of the rest 5 splicing seams is completed in sequence.
In conclusion, the assembling and welding device and the assembling and welding method for the honeycomb-shaped porous heat exchange element, provided by the invention, have the advantages that the assembly, the positioning welding and the electron beam welding of the splicing seams of a plurality of outer toothed plates are realized through the base, the positioning mechanism, the first pressing mechanism and the second mechanism, the assembling and welding device does not need to be dismounted during the positioning welding, and the assembling precision is ensured; meanwhile, the heat exchange element is placed on the base by the welding device, and the length of the base is matched with that of the heat exchange element.
The specific embodiments of the present invention should not be construed as limiting the scope of the invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a device is welded to honeycomb porous heat transfer element dress which characterized in that, includes base, positioning mechanism, first hold-down mechanism and second hold-down mechanism, wherein:
the base is provided with grooves for placing heat exchange elements, the grooves are arranged along the length direction of the base in a breaking mode, breaking parts of the grooves are welding vacant positions, and the number of the welding vacant positions is at least two, so that welding positioning is facilitated;
the positioning mechanisms are respectively sleeved at two ends of the heat exchange element, a plurality of first adjusting screws are arranged on the positioning mechanisms, and the heat exchange element can be pressed and positioned by adjusting the plurality of first adjusting screws;
the first pressing mechanisms are arranged on two sides of the base, and the base part where each groove is located is correspondingly provided with one first pressing mechanism;
the second pressing mechanisms are arranged on the inner surface of the first pressing mechanism, the number of the second pressing mechanisms is the same as that of the first pressing mechanisms, the inner surface of the second pressing mechanism is abutted to the outer surface of the heat exchange element, a plurality of second adjusting screws penetrate through the first pressing mechanism, and the second pressing mechanisms can be pressed by adjusting the second adjusting screws, so that the heat exchange element is pressed.
2. A honeycomb-shaped porous heat exchange element assembling and welding device according to claim 1, wherein each groove comprises a first supporting surface, a second supporting surface and a third supporting surface which are connected in sequence, the first supporting surface, the second supporting surface and the third supporting surface form a contact surface which is in contact with the outer surface of the heat exchange element, and the shape of the contact surface is matched with the outer contour of the heat exchange element.
3. A heat exchange element fitting device having a honeycomb body with a plurality of holes defined therein according to claim 2, wherein the distance between the first support surface and the third support surface is gradually reduced from the groove opening side of the groove toward the groove bottom side thereof.
4. A honeycomb-shaped porous heat exchange element assembling and welding device according to claim 3, wherein the first supporting surface and the third supporting surface are inclined surfaces, the second supporting surface is a plane surface, and the first supporting surface, the second supporting surface and the third supporting surface of the plurality of grooves are respectively arranged on the same straight line.
5. The device for welding and assembling the honeycomb-shaped porous heat exchange element according to claim 1, wherein the positioning mechanism is a hexagonal sleeve, the shape of the inner surface of the hexagonal sleeve is matched with the outer contour of the heat exchange element, and a plurality of first adjusting screws are in threaded connection with each edge of the hexagonal sleeve.
6. The assembling and welding device for the honeycomb-shaped porous heat exchange element according to claim 1, wherein the first pressing mechanism comprises a long right-angle pressing strip and a short straight-angle pressing strip, two vertical edges of the long straight-angle pressing strip and the short straight-angle pressing strip are respectively in threaded connection with two sides of the base, two transverse edges of the long straight-angle pressing strip and the short straight-angle pressing strip are in butt joint and are connected through bolts, and a plurality of second adjusting screws are respectively arranged on the two vertical edges of the long straight-angle pressing strip and the short straight-angle pressing strip and the transverse edge of the long straight-angle pressing strip.
7. The device for assembling and welding the honeycomb-shaped porous heat exchange element according to claim 6, wherein the second pressing mechanism comprises a V-shaped upper pressing block and two V-shaped side top blocks, the transverse edge of the V-shaped upper pressing block is arranged on the inner surface of the transverse edge of the long straight corner bead, the inner surface of the V-shaped upper pressing block is abutted against the outer surface of the heat exchange element, a second adjusting screw rod arranged on the transverse edge of the long straight corner bead is pressed against the transverse edge of the V-shaped upper pressing block, and the second adjusting screw rod in the middle penetrates through the transverse edge of the V-shaped upper pressing block and is pressed against the heat exchange element.
8. The assembling and welding device for the honeycomb-shaped porous heat exchange element according to claim 7, wherein the two V-shaped side ejector blocks are respectively arranged on the inner sides of the vertical edges of the long straight angle bead and the short straight angle bead and used for adjusting the splicing seams of the heat exchange element, the inner surfaces of the V-shaped side ejector blocks are abutted to the outer surfaces of the side surfaces of the heat exchange element, and the two V-shaped side ejector blocks are respectively used for tightly pressing the heat exchange element through second adjusting screws arranged on the vertical edges of the long straight angle bead and the short straight angle bead.
9. The device for welding the cellular porous heat exchange element according to claim 7, wherein the second adjusting screws are respectively arranged on two V-shaped edges of the V-shaped upper pressing block.
10. A method for assembling and welding a honeycomb-shaped porous heat exchange element is characterized in that the method is an assembling and welding method which divides the heat exchange element into a plurality of outer toothed plates and a plurality of inner pipes which are in the same shape, assembles and positions the heat exchange element through the honeycomb-shaped porous heat exchange element assembling and welding device according to any one of claims 1 to 9, and finally welds and forms the heat exchange element.
CN202111435800.2A 2021-11-29 2021-11-29 Device and method for assembling and welding honeycomb-shaped porous heat exchange element Active CN113909664B (en)

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Application Number Priority Date Filing Date Title
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CN113909664B CN113909664B (en) 2023-03-10

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000263292A (en) * 1999-03-12 2000-09-26 Nippon Steel Corp Aligning jig for steel tube welding
CN210524458U (en) * 2019-04-04 2020-05-15 东方电气(武汉)核设备有限公司 Integrated loading and processing device for control rod guide cylinder assembly
CN210847852U (en) * 2019-10-16 2020-06-26 四川猫王鞋业有限公司 Forming machine for honeycomb heat transfer element
CN112139726A (en) * 2020-08-10 2020-12-29 徐州徐工港口机械有限公司 Beam main body welding reversible deformation device for front crane and use method thereof
CN112296577A (en) * 2020-10-27 2021-02-02 中国核动力研究设计院 Welding tool for square tubes of spent fuel storage grillwork

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000263292A (en) * 1999-03-12 2000-09-26 Nippon Steel Corp Aligning jig for steel tube welding
CN210524458U (en) * 2019-04-04 2020-05-15 东方电气(武汉)核设备有限公司 Integrated loading and processing device for control rod guide cylinder assembly
CN210847852U (en) * 2019-10-16 2020-06-26 四川猫王鞋业有限公司 Forming machine for honeycomb heat transfer element
CN112139726A (en) * 2020-08-10 2020-12-29 徐州徐工港口机械有限公司 Beam main body welding reversible deformation device for front crane and use method thereof
CN112296577A (en) * 2020-10-27 2021-02-02 中国核动力研究设计院 Welding tool for square tubes of spent fuel storage grillwork

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