CN107335936B - Inconel substrate and method for preparing Inconel water chamber partition plate of steam generator - Google Patents
Inconel substrate and method for preparing Inconel water chamber partition plate of steam generator Download PDFInfo
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- CN107335936B CN107335936B CN201710626094.7A CN201710626094A CN107335936B CN 107335936 B CN107335936 B CN 107335936B CN 201710626094 A CN201710626094 A CN 201710626094A CN 107335936 B CN107335936 B CN 107335936B
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- 229910001026 inconel Inorganic materials 0.000 title claims abstract description 113
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000005192 partition Methods 0.000 title claims abstract description 44
- 239000000758 substrate Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 133
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 120
- 229910052759 nickel Inorganic materials 0.000 claims description 60
- 230000000007 visual effect Effects 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910001055 inconels 600 Inorganic materials 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
- B23K33/004—Filling of continuous seams
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/006—Details of nuclear power plant primary side of steam generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/18—Sheet panels
- B23K2101/185—Tailored blanks
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses an Inconel substrate and a method for preparing an Inconel chamber clapboard of a steam generator, wherein the Inconel substrate is spliced by a welding mode and is further processed by cutting, grinding and the like to finally obtain the Inconel chamber clapboard; the Inconel substrate comprises a plurality of Inconel plates with the same size and shape, the Inconel plates are arranged side by side on the same horizontal plane, the arrangement direction of each Inconel plate is also the same, and the maximum thermal deformation of the Inconel substrate in the thickness direction in the welding process is less than 1.6mm by combining a specific welding sequence and a specific welding process, so that the use requirement of the Inconel water chamber partition plate is met.
Description
Technical Field
The invention relates to a steam generator Inconel nickel water chamber partition plate, in particular to a method for preparing the steam generator Inconel nickel water chamber partition plate by splicing and welding.
Background
The water chamber partition plate is a component for dividing the inlet and the outlet of the coolant in the steam generator, the performance requirement of the water chamber partition plate is extremely strict, inconel600 (Inconel 600) is required to be selected as the water chamber partition plate on some nuclear island equipment, however, the volume of the water chamber partition plate is large, the cost for customizing a whole block of Inconel600 water chamber partition plate with enough volume is extremely high, the performance of the Inconel600 water chamber partition plate is easily unpredictable due to the characteristics of the Inconel600, and in addition, the maximum deformation in the thickness direction of the water chamber partition plate cannot exceed 2.0mm; therefore, the solution of using inconel600 to prepare the water chamber partition on the nuclear island equipment has only remained at the theoretical level so far.
For the above reasons, the present inventors have made intensive studies on the existing water chamber partition and inconel600 material in order to design a technical solution to solve the above problems.
Disclosure of Invention
In order to overcome the problems, the inventor of the present invention has made intensive studies to design an inconel substrate and a method for manufacturing an inconel water chamber partition plate of a steam generator, wherein the inconel substrate is formed by splicing in a welding manner, and further processed by cutting, grinding and the like to finally obtain the inconel water chamber partition plate; the Inconel nickel substrate comprises a plurality of Inconel nickel plates with the same size and shape, the Inconel nickel plates are arranged side by side on the same horizontal plane, the arrangement direction of each Inconel nickel plate is also consistent, and the maximum thermal deformation of the Inconel nickel substrate in the thickness direction in the welding process is less than 1.6mm by combining a specific welding sequence and a welding process, so that the use requirement of the Inconel nickel water chamber partition plate is met, and the Inconel nickel water chamber partition plate is completed.
Specifically, the invention aims to provide an Inconel substrate for preparing an Inconel water chamber partition plate of a steam generator, which comprises a plurality of Inconel plate materials 1 welded into a whole,
the edge of each inco nickel plate 1 is provided with a welding groove, and two adjacent inco nickel plates are spliced to form a double V-shaped groove 2.
Wherein each double V-shaped groove is filled with solder 3, and/or
The sizes and shapes of each inco nickel plate 1 are consistent,
the arrangement direction of each inco nickel plate 1 is consistent.
Wherein the Inconel sheet material 1 comprises an inner sheet material 11 and an outer sheet material 12,
wherein, grooves are arranged on three side surfaces of the inner side plate 11,
grooves are formed on two adjacent side surfaces of the outer plate 12.
The invention also provides a preparation method of the inco nickel water chamber partition plate of the steam generator, which preferably adopts the inco nickel substrate to prepare, and the method comprises the following steps:
step 1, selecting a plurality of Inconel plates 1;
and 3, cutting the Inconel substrate into a water chamber partition plate shape, and welding the Inconel substrate on a lower end enclosure of the steam generator.
Wherein, the Inconel plate 1 has 8 pieces, and the dimension and the shape of each Inconel plate 1 are consistent;
each inconel sheet had 6 faces, with the major and posterior faces having the largest area, the left and right faces having the next largest area, and the top and bottom faces having the smallest area.
Wherein the step 2 comprises the following substeps:
substep 1, every two inconel plates form a group, wherein the left visual surface of one inconel plate and the right visual surface of the other inconel plate are butted and welded into a whole, so that 4 inconel-welded plates are obtained;
and 3, butting and welding the top view surface of one inconel secondary welding plate and the top view surface of the other inconel secondary welding plate into a whole to obtain the inconel substrate.
Wherein, in the step 2, a welding groove is required to be arranged on the surface to be welded, the groove is a double V-shaped groove 2, and/or
And (3) welding multiple positions in the step 2 by adopting the same welding process.
Wherein the welding process comprises the following substeps:
a substep: splicing two plates to be welded to form a double V-shaped groove, wherein the minimum distance between the two plates to be welded is 2-3 mm;
and a substep b: backing welding;
and a substep c: the main visual surface of the plate to be welded is upward, 4 layers are welded,
and a substep d: turning over the plate to be welded to make its rear surface upward, welding 5 layers,
and a substep e: turning over the plate to be welded to make its main viewing surface upward, welding 2 layers,
and f: turning over the plate to be welded to make its rear surface upward, welding 2 layers,
substep g: turning over the plate to be welded to make its main viewing surface upward, welding 2 layers,
substep h: turning over the plate to be welded to make its rear surface upward, welding 2 layers,
and a substep i: turning over the plate to be welded to make its main viewing surface upward, welding the groove,
substep j: and turning over the plate to be welded to enable the back view surface of the plate to face upwards, and welding the groove.
Wherein 4 layers are welded, and the thickness of a welding seam is about 5-7mm;
welding 5 layers, wherein the thickness of a welding line is about 7-9mm;
welding 2 layers, wherein the thickness of the welding seam is about 2-4mm.
The invention also provides a water chamber clapboard of the Inconel of the steam generator, which is arranged in a lower seal head of the steam generator and is made of the Inconel substrate, preferably the water chamber clapboard is made by cutting,
particularly preferably, the water chamber partition is manufactured according to the method described above
The invention has the advantages that:
(1) According to the technical scheme provided by the invention, the inco nickel substrate can be obtained by splicing inco nickel plates with smaller volumes, so that the inco nickel water chamber partition plate with the performance meeting the use requirement is obtained on the basis of reducing the production cost;
(2) According to the technical scheme provided by the invention, the specific welding sequence and welding process are included, so that the welding deformation can be ensured within a certain range, the maximum deformation of the Inconel substrate obtained by welding along the thickness direction is less than 1.6mm, and the performance index of the water chamber partition plate, of which the maximum deformation cannot exceed 2mm, is met.
Drawings
Fig. 1 is a schematic view showing an overall structure of an inconel substrate according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view showing a double V groove structure on an Inconel substrate according to a preferred embodiment of the present invention, which is also a partial enlarged view at A in FIG. 1;
FIG. 3 shows a schematic view of an inner panel construction according to a preferred embodiment of the present invention;
FIG. 4 is a schematic view showing the construction of an outer panel according to a preferred embodiment of the present invention;
fig. 5 is a schematic structural view of a water chamber partition plate and a lower head thereof according to a preferred embodiment of the invention.
The reference numbers illustrate:
1-inco nickel plate
2-double V-shaped groove
3-solder
11-inner side plate
12-outer side panel
101-upper groove
102-downhill slope
103-facade
4-Water chamber clapboard
5-lower end socket
Detailed Description
The invention is explained in more detail below with reference to the figures and examples. The features and advantages of the present invention will become more apparent from the description.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
According to the inconel substrate for manufacturing the inconel water chamber partition plate of the steam generator provided by the present invention, as shown in fig. 1 and 2, the substrate comprises a plurality of inconel plate materials 1 welded as one body,
the edge of each inco chrome nickel plate 1 is provided with a welding groove, and two adjacent inco chrome nickel plates are spliced to form a double V-shaped groove 2;
the double V-shaped grooves are filled with solder 3, so that a plurality of Inconel plates 1 are connected into an Inconel substrate.
In a preferred embodiment, the size and shape of each inconel plate 1 are consistent, and the arrangement direction of each inconel plate 1 is consistent, so that the welding heat distribution is uniform, the welding heat deformation is convenient to control, and the welding heat deformation is prevented from being too large.
Specifically, the inco nickel plate 1 is in a cuboid shape and has six faces, wherein two faces are opposite to each other, and the area sizes of the two opposite faces are consistent; wherein, the areas of the main viewing surface and the back viewing surface are the largest, the areas of the left viewing surface and the right viewing surface are the next largest, and the areas of the top viewing surface and the top viewing surface are the smallest. After the splicing is finished, the main viewing surfaces of all the inco nickel plates are connected together to form the main viewing surface of the inco nickel substrate, and the rear viewing surfaces of all the inco nickel plates are connected together to form the rear viewing surface of the inco nickel substrate.
The area of the left visual surface and the area of the right visual surface are the following order: the areas of the left and right viewing surfaces are smaller than the area sizes of the main and rear viewing surfaces.
The main view surface, the back view surface, the left view surface, the right view surface, the top view surface and the bottom view surface are relative concepts and can be changed according to different observation directions, all directions and the view surfaces in the invention are obtained under the condition that the plate is vertically erected and the front surface faces an observer, and the six view surfaces are obtained in a six-surface view mode in the invention to distinguish the relative size relationship of each surface.
Preferably, the inconel sheet material 1 is divided into two types, i.e. an inner sheet material 11 and an outer sheet material 12, wherein the inner sheet material 11 is divided into grooves on three sides of the inner sheet material 11 as shown in fig. 3,
as shown in fig. 4, the outer plate 12 is provided with grooves on two adjacent sides of the outer plate 12,
the inco nickel plates 1 are divided into two rows, the number of the outer plates 12 is 4, and the outer plates are distributed on two sides of the inco nickel substrate, that is, the outer plates 12 are located on the outermost side of each row, the number of the inner plates is not limited, and can be 4, 6, 8, and the like, preferably 4 in the invention, that is, the total number of the inco nickel plates 1 is preferably 8.
The side surface comprises a left view surface, a right view surface, a depression surface and a elevation surface.
The side surface with the groove is opposite to the side surfaces with grooves on other plates so as to form a double V-shaped groove;
specifically, the grooves formed in the inner plate 11 and the outer plate 12 include an upper groove 101 and a lower groove 102, and both the inclined surface of the upper groove 101 and the inclined surface of the lower groove 102 form an angle of 50 to 55 degrees with the plane of the main viewing surface of the plate.
A vertical surface 103 which forms a 90-degree angle with the plane of the main viewing surface is arranged between the upper groove 101 and the lower groove 102, the vertical surfaces of the two plates are close to each other, and the minimum distance between the two plates is the minimum distance between the vertical surfaces of the two plates. Preferably, the facade is used for connecting two adjacent plates by means of back welding.
The two inner side plates 11, the two outer side plates 12 and the two vertical surfaces 103 which are respectively positioned on the two plates jointly form the double V-shaped groove 2.
The plate material in the invention is an inconel plate material.
The invention also provides a preparation method of the inconel water chamber partition plate of the steam generator, which comprises the following steps:
step 1, selecting a plurality of Inconel plates 1;
and 3, cutting the Inconel substrate into a water chamber partition plate shape, and welding the Inconel substrate on a lower end enclosure of the steam generator.
Wherein the Inconel plate is a plate-shaped material made of Inconel 600;
the shape of the water chamber partition board is matched with that of the lower end enclosure where the water chamber partition board is located, the water chamber partition board is preferably semicircular, and the water chamber partition board needs to be welded on the lower end enclosure, so that welding operation between the water chamber partition board and the lower end enclosure is started after primary cutting, and the covered water chamber partition board is further ground after welding is completed, so that the size and the shape of the covered water chamber partition board meet production requirements.
In a preferred embodiment, the inconel sheet has 8 pieces, and each inconel sheet 1 has a uniform size and shape;
each Inconel plate is provided with 6 faces, wherein the Inconel plates are opposite in pairs, the area sizes of the two opposite faces are consistent, the area sizes of the main viewing face and the rear viewing face are consistent, the area sizes of the left viewing face and the right viewing face are consistent, and the area sizes of the depression viewing face and the elevation viewing face are consistent; of all 6 planes, the area of the main view plane and the rear view plane is the largest, the area of the left view plane and the right view plane is the next to the area of the front view plane and the rear view plane, and the area of the top view plane and the top view plane is the smallest.
In a preferred embodiment, when there are 8 inconel sheets, said step 2 comprises the following substeps:
substep 1, every two inconel plates form a group, wherein the left visual surface of one inconel plate and the right visual surface of the other inconel plate are butted and welded into a whole, so that 4 inconel-welded plates are obtained;
and 3, butting and welding the top view surface of one inconel secondary welding plate and the top view surface of the other inconel secondary welding plate into a whole to obtain the inconel substrate.
The inco nickel-welded plate in the invention means that two inco nickel plates 1 are welded into a whole at one time to obtain an inco nickel plate with larger volume;
similarly, the inco nickel secondary welding plate in the invention means that two inco nickel primary welding plates 1 are welded into a whole at one time to obtain an inco nickel plate with larger volume;
in the invention, the inco nickel plates are provided with a plurality of blocks, not only 8 blocks, but also 10 blocks, 12 blocks and the like, when the number of the blocks is 10, the inco nickel plates are still divided into 4 groups in the substep 1, so that 4 inco nickel one-welding plates and 2 inco nickel plates are obtained, in the substep 2, after two inco nickel two-welding plates are obtained, one inco nickel one-welding plate and one inco nickel plate are continuously combined into one group, and the left view surface/right view surface of the inco nickel two-welding plate and the right view surface/left view surface of the inco nickel plate are butted and welded into a whole; finally, performing substep 3;
when there are 12 inconel sheets, two integrated sheets are obtained through substep 1 and substep 2 as well, and final butt-joint and welding are performed through substep 3.
In a preferred embodiment, in the multiple welding in step 2, a welding groove is required to be formed on the surface to be welded, the groove is a double V-shaped groove 2, and one welding seam is formed in each welding.
In a preferred embodiment, the welding process is the same for a plurality of welding positions in step 2, and further preferably, the welding process includes the following substeps:
a substep: splicing two plates to be welded to form a double V-shaped groove, wherein the minimum distance between the two plates to be welded is 2-3 mm; the distance enables the backing weld to be welded through, and the welding quality is ensured;
and a substep b: backing welding;
and a substep c: the main visual surface of the plate to be welded is upward, 4 layers are welded,
and a substep d: turning over the plate to be welded to make its rear surface upward, welding 5 layers,
and a substep e: turning over the plate to be welded to make its main viewing surface upward, welding 2 layers,
and f: turning over the plate to be welded to make its rear surface upward, welding 2 layers,
and a substep g: turning over the plate to be welded to make its main viewing surface upward, welding 2 layers,
substep h: turning over the plate to be welded to make its rear surface upward, welding 2 layers,
and a substep i: turning over the plate to be welded to make its main visual surface upward, welding the groove,
substep j: and turning over the plate to be welded to enable the rear view surface of the plate to face upwards, and fully welding the groove.
The number of welding layers in the substep c and the substep d is large, so as to ensure that the welding area has enough strength, avoid the deformation of the plate in the process of overturning the plate to be welded and ensure the welding quality;
further preferably, 4 layers are welded, and the thickness of the welding seam is about 5-7mm; welding 5 layers, wherein the thickness of a welding line is about 7-9mm; 2 layers are welded, and the thickness of the welding seam is about 2-4mm.
Through the welding process of repeated overturning, the specific welding layer number after each overturning can ensure that the welding thermal deformation is extremely small, and the whole plate obtained after welding is still a flat plate and cannot be bent inwards or outwards.
The invention also provides a water chamber clapboard of the Inconel of the steam generator, which is arranged in a lower seal head of the steam generator and is made of the Inconel substrate, preferably the water chamber clapboard is made by cutting,
particularly preferably, the water chamber partition plate is manufactured according to the manufacturing method of the steam generator inconel water chamber partition plate described above.
Specifically, the water chamber partition plate also comprises a plurality of incore nickel plates welded into a whole, the incore nickel plates are different from the incore nickel plates in size, and the incore nickel plates after cutting have a smaller volume than the original incore nickel plates and the other structures are the same. As shown in fig. 5, the lower head 5 has a hemispherical shape, and the water chamber partition 4 therein has a plate shape with a semicircular cross section.
Experimental example:
selecting two inconel plates which are made of inconel600 and have the same size and shape, welding the two inconel plates by adopting the following steps:
a substep: splicing two inco nickel plates to form a double V-shaped groove,
and a substep b: backing welding;
and a substep c: the main visual surface of the plate to be welded is upward, 4 layers are welded,
and a substep d: turning over the plate to be welded to make its rear surface upward, welding 5 layers,
and a substep e: turning over the plate to be welded to make its main viewing surface upward, welding 2 layers,
and f: turning over the plate to be welded to make its rear surface upward, welding 2 layers,
substep g: turning over the plate to be welded to make its main viewing surface upward, welding 2 layers,
substep h: turning over the plate to be welded to make its rear surface upward, welding 2 layers,
and a substep i: turning over the plate to be welded to make its main visual surface upward, welding the groove,
substep j: and turning over the plate to be welded to enable the back view surface of the plate to face upwards, and welding the groove.
The maximum deformation of the obtained plate along the thickness direction is 1.6mm;
comparative example 1:
selecting two inconel plates which are made of inconel600 and have the same size and shape, welding the two inconel plates by adopting the following steps:
a substep: splicing two inco nickel plates to form a double V-shaped groove,
and a sub-step b: backing welding;
and a substep c: the main visual surface of the plate to be welded faces upwards, the groove is fully welded,
and a substep d: and turning over the plate to be welded to enable the back view surface of the plate to face upwards, and welding the groove.
The maximum deformation of the obtained plate along the thickness direction is 15.8mm;
comparative example 2:
selecting two inconel plates which are made of inconel600 and have the same size and shape, welding the two inconel plates by adopting the following steps:
a substep: splicing two Inconel plates to form a double V-shaped groove,
and a substep b: backing welding;
and a substep c: the main visual surface of the plate to be welded faces upwards, 2/5 of the groove on the upper surface is fully welded,
and a substep d: turning over the plate to be welded to enable the rear view surface of the plate to face upwards, and fully welding the groove;
and a substep e: and turning over the plate to be welded to enable the main view surface of the plate to be upward, and fully welding the groove.
The maximum deformation of the obtained plate along the thickness direction is 8.7mm;
as can be seen from the above experimental examples and comparative examples, the specific welding process given in the present invention can make the welding thermal deformation small enough to satisfy the use requirements of the water chamber partition plate.
The present invention has been described above in connection with preferred embodiments, but these embodiments are merely exemplary and merely illustrative. On the basis of the above, the invention can be subjected to various substitutions and modifications, and the substitutions and the modifications are all within the protection scope of the invention.
Claims (3)
1. A method for preparing a steam generator Inconel water chamber clapboard is characterized in that an Inconel substrate is adopted for preparation, the substrate comprises a plurality of Inconel plates (1) which are welded into a whole,
the edge of each inco nickel plate (1) is provided with a welding groove, and two adjacent inco nickel plates are spliced to form a double V-shaped groove (2); the bevel comprises an upper bevel 101 and a lower bevel 102, and the inclined plane of the upper bevel 101 and the inclined plane of the lower bevel 102 form an angle of 50-55 degrees with the plane of the main viewing surface on the plate;
the double V-shaped groove is filled with solder (3),
the sizes and the shapes of each inco nickel plate (1) are consistent,
the arrangement direction of each inco nickel plate (1) is consistent;
the method comprises the following steps:
step 1, selecting a plurality of Inconel plates (1);
step 2, welding a plurality of inco nickel plates (1) into a plate-shaped inco nickel substrate;
step 3, cutting the Inconel substrate into a water chamber partition plate shape, and welding the water chamber partition plate shape on a lower end socket of the steam generator;
the inco nickel plates (1) are 8, and the size and the shape of each inco nickel plate (1) are consistent;
each Inconel plate has 6 surfaces, wherein the areas of a main viewing surface and a rear viewing surface are the largest, the areas of a left viewing surface and a right viewing surface are the next largest, and the areas of a top viewing surface and a bottom viewing surface are the smallest;
the step 2 comprises the following substeps:
substep 1, every two inconel plates form a group, wherein the left visual surface of one inconel plate and the right visual surface of the other inconel plate are butted and welded into a whole, so that 4 inconel-welded plates are obtained;
substep 2, combining every two inconel one-welding plates into a group, wherein the left visual surface of one inconel one-welding plate and the right visual surface of the other inconel one-welding plate are butted and welded into a whole, so that two inconel two-welding plates are obtained;
substep 3, butting and welding the top view surface of one inconel secondary welding plate and the top view surface of the other inconel secondary welding plate into a whole to obtain an inconel substrate;
each welding in the step 2 comprises the following sub-steps:
a substep: splicing two plates to be welded to form a double V-shaped groove, wherein the minimum distance between the two plates to be welded is 2-3 mm;
and a substep b: backing welding;
and a substep c: the main visual surface of the plate to be welded is upward, 4 layers are welded,
and a substep d: turning over the plate to be welded to make its rear surface upward, welding 5 layers,
and a substep e: turning over the plate to be welded to make its main viewing surface upward, welding 2 layers,
and f: turning over the plate to be welded to make its rear surface upward, welding 2 layers,
substep g: turning over the plate to be welded to make its main viewing surface upward, welding 2 layers,
substep h: turning over the plate to be welded to make its rear surface upward, welding 2 layers,
and a substep i: turning over the plate to be welded to make its main visual surface upward, welding the groove,
substep j: turning over the plate to be welded to enable the rear view surface of the plate to face upwards, and fully welding the groove;
welding 4 layers, wherein the thickness of a welding seam is 5-7mm;
welding 5 layers, wherein the thickness of a welding seam is 7-9mm;
welding 2 layers, wherein the thickness of the welding seam is 2-4mm.
2. Method for manufacturing a steam generator Inconel header diaphragm according to claim 1, wherein the Inconel sheet material (1) comprises an inner sheet material (11) and an outer sheet material (12),
wherein, grooves are arranged on three side surfaces of the inner side plate (11),
grooves are arranged on two adjacent side surfaces of the outer plate (12).
3. A partition board of a steam generator Inconel chamber is characterized in that,
the water chamber partition is manufactured according to the method of one of claims 1 to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710626094.7A CN107335936B (en) | 2017-07-27 | 2017-07-27 | Inconel substrate and method for preparing Inconel water chamber partition plate of steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710626094.7A CN107335936B (en) | 2017-07-27 | 2017-07-27 | Inconel substrate and method for preparing Inconel water chamber partition plate of steam generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107335936A CN107335936A (en) | 2017-11-10 |
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| FR2895791B1 (en) * | 2005-12-29 | 2008-04-04 | Framatome Anp Sas | PROCESS FOR REPAIRING AT LEAST ONE ZONE FOR CONNECTING A PARTITION PLATE TO A TUBULAR PLATE OF A WATER BOX OF A HEAT EXCHANGER. |
| JP2012081475A (en) * | 2010-10-06 | 2012-04-26 | Mitsubishi Heavy Ind Ltd | Dissimilar material joint structure |
| CN103192168B (en) * | 2013-04-17 | 2015-03-04 | 二重集团（德阳）重型装备股份有限公司 | Vertical symmetrical welding method for wide and thick plates |
| CN103692065A (en) * | 2013-10-28 | 2014-04-02 | 中国二冶集团有限公司 | Manufacturing method of electrolytic bath bottom plate |
| CN105057856B (en) * | 2015-06-12 | 2017-03-08 | 招商局重工（江苏）有限公司 | A kind of ultra-thick plate submerged welding process |
| CN206047439U (en) * | 2016-08-26 | 2017-03-29 | 哈电集团（秦皇岛）重型装备有限公司 | A kind of steam generator hydroecium dividing plate welding equipment anti-deformation device |
| CN206952391U (en) * | 2017-07-27 | 2018-02-02 | 哈电集团（秦皇岛）重型装备有限公司 | Prepare steam generator Inco nickel hydroecium dividing plate Inco nickel substrate |
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