CN107726357A - The Site Welding mounting process of half modulus storehouse lattice and packaging technology and rotary regenerative air heater - Google Patents
The Site Welding mounting process of half modulus storehouse lattice and packaging technology and rotary regenerative air heater Download PDFInfo
- Publication number
- CN107726357A CN107726357A CN201711069796.6A CN201711069796A CN107726357A CN 107726357 A CN107726357 A CN 107726357A CN 201711069796 A CN201711069796 A CN 201711069796A CN 107726357 A CN107726357 A CN 107726357A
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- Prior art keywords
- dividing plate
- radial direction
- plate
- storehouse lattice
- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 76
- 238000012536 packaging technology Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 8
- 239000007787 solid Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/04—Arrangements of recuperators
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
Abstract
The invention discloses a kind of half modulus storehouse lattice, including more than two pieces of the radial direction dividing plate in fan-shaped array, it is divided into several layers of several piece ring dividing plate, the boom hoisting being fixed on ring dividing plate or radial direction dividing plate, the inner of radial direction dividing plate connects firmly with hooking device, hooking device includes the positioning hanger plate of upper end, the positioning platen of lower end, it is fixed on positioning hanger plate and positions two supporting plates between platen, the several piece gusset being fixed between two supporting plates, the inner for positioning platen is cambered surface, the lower end of one latch passes through positioning hanger plate, radial direction dividing plate connects firmly with positioning hanger plate and positioning platen；Also it is fixedly connected with the lateral surface of the radial direction dividing plate in edge and is divided into several layers of the external ring dividing plate of several piece；The invention also discloses the packaging technology of half modulus storehouse lattice and the Site Welding mounting process of rotary regenerative air heater rotor；The present invention can save material again it is easy for installation, control welding deformation within the scope of requiring, it is ensured that product quality is up to standard.
Description
Technical field
It is the present invention relates to a kind of half modulus storehouse lattice and its packaging technology and empty pre- using the swinging of this half modulus storehouse lattice
The Site Welding packaging technology of device rotor.
Background technology
The weight metal of swinging sky preheater rotor accounts for 70% or so of whole preheater, and rotor main will be by central tube（Account for
The 6% of whole preheater weight）, modulus storehouse lattice（23%）, heat exchange element composition（40%）；During operation, center is driven by drive device
Cylinder and modulus storehouse lattice are rotated in housing, and the element being placed in the lattice of storehouse is heated when going to flue gas, goes to air side
When be heated after element cold air is heated, so as to produce heat exchange.As long as meeting support strength requirement, modulus storehouse
Lattice are considered as farthest saving material and installation is simple.Current modulus storehouse lattice can pass through full-module storehouse lattice and half modulus storehouse
Lattice assemble, and full-module storehouse lattice structure is easy for installation, but need to use one piece of radial direction dividing plate, its weight weight more, and manufacturing cost is high；
Conventional half modulus storehouse lattice are without hooking device, though material is saved, it is more more economical than full mould storehouse lattice, overall group must be completed at the scene
Dress up type；Radial direction dividing plate is positioned frequently with bolt-connection, Site Welding, but because storehouse lattice diameter is generally larger again, its
Baffle dimensions are very big, not only live location difficulty, and welding job amount is huge, and root diameter is larger（More than 10m）When, scene
Modulus storehouse its welding deformation of lattice of welded and installed half is difficult to control, and installation is extremely difficult and is not easy to ensure product quality.
The content of the invention
The purpose of the present invention is the above-mentioned deficiency for prior art, there is provided a kind of half modulus storehouse lattice and packaging technology and
The Site Welding mounting process of rotary regenerative air heater rotor, it can be saved, and material is again easy for installation, and control welding deformation is being wanted
Within the scope of asking, it is ensured that product quality is up to standard.
In order to achieve the above object, half modulus storehouse lattice of the invention, including in fan-shaped array more than two pieces of radial direction every
Plate, the several piece ring dividing plate for being fixed between adjacent two radial directions dividing plate and being divided into several layers, it is fixed on ring dividing plate or radial direction dividing plate
On boom hoisting, it is characterised in that：The inner of radial direction dividing plate connects firmly with hooking device, and hooking device includes the positioning of upper end
Hanger plate, lower end positioning platen, be fixed on positioning hanger plate and position platen between two supporting plates, be fixed on two supporting plates
Between several piece gusset, the inner for positioning platen is cambered surface, and the lower end of a latch passes through positioning hanger plate, radial direction dividing plate with it is fixed
Position hanger plate and positioning platen connect firmly；Also it is fixedly connected with and is divided into outside several layers of several piece in the lateral surface of the radial direction dividing plate in edge
Connect ring dividing plate；
During installation, the lower end of the latch of half modulus storehouse lattice is inserted on central tube top plate in respective dowel hole, by each half module
The positioning platen and center tube end plate periphery of number storehouse lattice are tangent, while position on platen centre tube end plate step, to storehouse
Lattice carry out axial constraint so that half modulus storehouse lattice and central tube position completely, easy for installation；Made entirely by supporting plate and gusset
Hooking device forms a whole, and allow storehouse lattice and the power that is applied on the lattice of storehouse is transferred completely into central tube, turn into one it is " outstanding
Arm beam " structure, increase intensity；
As a further improvement on the present invention, in the bottom of every piece of ring dividing plate, the bottom of external ring dividing plate and radial direction dividing plate
Bottom be fixedly connected with support block；Support block is placed on storehouse lattice bottom, for Auxiliary support heat accumulating element, prevents element bag from storehouse lattice
Drop；
As a further improvement on the present invention, the inner supporting plate also with outside of radial direction dividing plate connects firmly；It is strong that connection can be increased
Degree；
The present invention is used for the packaging technology of half above-mentioned modulus storehouse lattice, comprises the following steps：a）By positioning hanger plate, positioning table
Plate, two supporting plates and the welding of several piece gusset are connected, and the lower end of latch is passed through to the pin-and-hole of positioning hanger plate, forms hooking device；
b）The inner of more than two pieces of radial direction dividing plate is connected firmly with positioning hanger plate and positioning table plate weld；c）In adjacent two radial directions dividing plate
Between set several piece ring dividing plate, the radial direction dividing plate in edge lateral surface set the external ring dividing plate of several piece, by number
Block ring dividing plate and the external ring dividing plate of several piece arrange in radial direction by several layers；First by the ring dividing plate of one layer of outermost and external ring
Dividing plate is connected firmly with the welding of radial direction dividing plate, then most interior one layer of ring dividing plate and external ring dividing plate are welded admittedly with radial direction dividing plate
Connection, then the ring dividing plate of remaining each layer and external ring dividing plate are welded with radial direction dividing plate and connected firmly, and each layer ring dividing plate and
In the layer of external ring dividing plate welding sequence according to clockwise successively welding with counterclockwise successively welding staggeredly carry out,
Angle welding between every piece of ring dividing plate and external ring dividing plate and radial direction dividing plate is welded using vertical upward mode；d）In ring
Boom hoisting is welded on dividing plate or radial direction dividing plate；
Using above-mentioned packaging technology, the integrated stress state of welding deformation, dispersed structure can be progressively corrected to a greater degree, is controlled
The welding deformation of half modulus storehouse lattice is made within the scope of requiring, it is ensured that the requisite quality of single half modulus storehouse lattice；
As a further improvement on the present invention, in step c）In, every piece of ring dividing plate and external ring dividing plate and radial direction dividing plate it
Between angle welding using it is vertical upwards, discontinuous manner welding；Discontinuous manner welding can further eliminate welding stress；
As a further improvement on the present invention, in the bottom of every piece of ring dividing plate, the bottom of external ring dividing plate and radial direction dividing plate
Bottom weld support block；The support plate weld of the inner and outside of radial direction dividing plate is connected firmly；To increase by half modulus storehouse lattice
Function, improve intensity；
The present invention uses the Site Welding mounting process of the rotary regenerative air heater rotor of half modulus storehouse lattice obtained by above-mentioned packaging technology,
Following steps：1）Assembling：Several half modulus storehouse lattice are surrounded into central tube annular array, by the lower end of the latch of half and half modulus storehouse lattice
Insert on central tube top plate in respective dowel hole, by the positioning platen of half and half modulus storehouse lattice and center tube end plate periphery phase
Cut, while position on platen centre tube end plate step, axial constraint is carried out to storehouse lattice；2）It is symmetrically welded：To symmetrically it be in
The radial direction dividing plate welding of the external ring dividing plate of the two halves modulus storehouse lattice of central tube both sides and adjacent half modulus storehouse lattice connects firmly, then will
In having welded the external ring dividing plate of the two halves modulus storehouse lattice of center and adjacent half modulus storehouse between the lattice of two halves modulus storehouse
The radial direction dividing plate welding of lattice connects firmly, the like, by the external ring dividing plate of remaining half modulus storehouse lattice and adjacent half modulus storehouse lattice
Radial direction dividing plate welding connect firmly.
The present invention uses half modulus storehouse lattice in-site installation, not only saves material；Latch and center by half modulus storehouse lattice
Respective dowel hole coordinates on cylinder top plate, and the positioning platen and center tube end plate periphery of half and half modulus storehouse lattice are tangent, simultaneously
Position on platen centre tube end plate step, axial constraint is carried out to storehouse lattice so that half modulus storehouse lattice and central tube are completely fixed
Position, it is easy for installation；By the way of being symmetrically welded, welding deformation is progressively corrected to a greater degree, improves integrated stress state, control
Welding deformation processed is within the scope of requiring, it is ensured that product quality is up to standard；
In summary, the present invention can save material again it is easy for installation, control welding deformation within the scope of requiring, it is ensured that
Product quality is up to standard.
Brief description of the drawings
Fig. 1 is the stereogram of half modulus storehouse lattice embodiment of the invention.
Fig. 2 is the stereogram that the hooking device of half modulus storehouse lattice of the invention coordinates with central tube installation.
Fig. 3 is Fig. 2 plan.
Fig. 4 is the welding sequence schematic diagram of ring dividing plate and external ring dividing plate in one and half modulus storehouse lattice.
Fig. 5 is ring dividing plate in Fig. 4 or external ring dividing plate in longitudinal welding sequence schematic diagram.
Fig. 6 is several half modulus storehouse lattice and the arrangement position schematic diagram of central tube assembling.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is further detailed explanation.
As shown in Figure 1 to Figure 3, half modulus storehouse lattice of the embodiment, including three pieces of radial direction dividing plates 1, solid in fan-shaped array
It is coupled between adjacent two radial directions dividing plate 1 and is divided into four layers of several piece ring dividing plate 2, the conduct being fixed on ring dividing plate 2 lifting
The suspension ring 3 of device, the inner of radial direction dividing plate 1 connect firmly with hooking device, the positioning hanger plate 4 of hooking device including upper end, under
The positioning platen 5 at end, be fixed on positioning hanger plate 4 and position two supporting plates 6 between platen 5,7, be fixed on two supporting plates 6,7
Between several piece gusset 8, positioning platen 5 the inner be cambered surface, the lower end of a latch 9 passes through positioning hanger plate 4, radial direction dividing plate 1
The inner supporting plate 7 with positioning hanger plate 4, positioning platen 5 and outside connect firmly welding；In the radial direction dividing plate in edge
1 lateral surface, which also welds, is fixedly connected with the external ring dividing plate 10 of several piece for being divided into several layers；In the bottom of every piece of ring dividing plate 2, external
The bottom of ring dividing plate 10 and the bottom of radial direction dividing plate 1 are fixedly connected with support block 11；
Three pieces of radial direction dividing plates 1 are radially divided into storehouse lattice three 7.5 ° of sector region, then by ring dividing plate 2 by it
Be together in series one framework of composition, surrounds lattice storehouse small one by one and is used for placing heat accumulating element；Radial direction dividing plate 1 is simultaneously and whole
The main load part of cantilever design, its end are linked together with hooking device again, and power is conducted to hooking device, support
Plate 6,7 and gusset 8 make whole hooking device form a whole, and allow being transferred completely into of storehouse lattice and the power that is applied on the lattice of storehouse
Central tube 12, turn into " cantilever beam " structure；Support block 11 is placed on storehouse lattice bottom, for Auxiliary support heat accumulating element, prevents
Element bag drops from storehouse lattice；The lifting of storehouse lattice is completed by suspension ring 3；
As shown in figure 1, the present invention is used for the packaging technology of half above-mentioned modulus storehouse lattice, comprise the following steps：a）By positioning hanger
Plate 4, positioning platen 5, two supporting plates 6,7 and the welding of several piece gusset 8 are connected, and the lower end of latch 9 is passed through to the pin of positioning hanger plate 4
Hole, form hooking device；b）The inner of three pieces of radial direction dividing plates 1 and positioning hanger plate 4, supporting plate 7 and positioning platen 5 are welded admittedly
Connection；c）Several piece ring dividing plate 2 is set between adjacent two radial directions dividing plate 1, set in the lateral surface of the radial direction dividing plate in edge
The external ring dividing plate 10 of several piece is put, by several piece ring dividing plate 2 and the external ring dividing plate 10 of several piece in radial direction by four layers of arrangement；Such as figure
Shown in 4, first the ring dividing plate of one layer 13 of outermost and external ring dividing plate are connected firmly with the welding of radial direction dividing plate 1, and the ring of this layer
Welding sequence according to welding successively clockwise in the layer of dividing plate and external ring dividing plate；Again by most interior one layer 14 of ring every
Plate and external ring dividing plate connect firmly with the welding of radial direction dividing plate 1, and are welded in the layer of the ring dividing plate of this layer and external ring dividing plate
Order according to counterclockwise welding successively；Then successively by secondary outer layer 15, the ring dividing plate of secondary internal layer 16 and external ring every
Plate connects firmly with the welding of radial direction dividing plate 1, and secondary internal layer 16, also according to welding successively clockwise, secondary outer layer 15 is counterclockwise
Weld successively, i.e., in the layer of each layer ring dividing plate and external ring dividing plate welding sequence according to clockwise successively welding with it is inverse
Clockwise welds successively staggeredly to be carried out, as shown in figure 5, every piece of ring dividing plate 2 and external ring dividing plate 10 and radial direction dividing plate 1 it
Between angle welding using it is vertical upwards, discontinuous manner；d）As shown in figure 1, the welding hanging ring 3 on ring dividing plate 2；E) in every piece of ring
Support block 11 is welded to the bottom of the bottom of dividing plate 2, the bottom of external ring dividing plate 10 and radial direction dividing plate 1；
To control overall thermal input level, the welding method of packaging technology uses stick electrode arc welding, and welding material uses
The welding rod of the even more small dimensions of φ 3.2, and using the excellent hydrogen controlled electrode of impact flexibility, such as GB/T5117 E5015 types or
AWS A5.1 E7015 types etc.；To ensure to position and ensureing size, one layer of ring dividing plate of outermost is welded first, then weld most interior one
Layer ring dividing plate, then welds remaining each layer ring dividing plate, each layer ring dividing plate is according to one layer " clockwise ", one layer " counterclockwise "
Distribution form, with to a greater degree progressively correct welding deformation, dispersed structure integrated stress state；To ensure welding matter
Amount, as shown in figure 5, every ring dividing plate angle welding connects mode using vertical-up welding, as shown by arrows, ring at each position
Dividing plate 2 answers symmetrical welding, and every weld seam is welded in the way of " scattered, interruption ", and 500mm length is a welding unit, its
Middle intermittent weld is to weld 200mm every 300mm, is also beneficial to improve stress distribution, improves product quality；It is more to ensure weldquality
Temperature should not be more than 350 DEG C between road during layer multiple-pass weld welding, and Q355GNH is examined when stepping on steel material thickness more than 15mm, before weldering
100 DEG C should be at least preheated to；
The present invention uses the Site Welding mounting process of the rotary regenerative air heater rotor of half modulus storehouse lattice obtained by above-mentioned packaging technology,
As shown in Figure 1, Figure 2, Figure 6 shows, following steps：1）Assembling：16 half modulus storehouse lattice 21 of rotary regenerative air preheater will be formed
The annular array of central tube 12 is surrounded to 36, the top plate of central tube 12 is inserted into the lower end of the latch 9 of half and half modulus storehouse lattice by suspension ring 3
It is in upper respective dowel hole, the positioning platen 5 of half and half modulus storehouse lattice and center tube end plate periphery 18 is tangent, position simultaneously
On the centre tube end plate step 17 of platen 5, axial constraint is carried out to storehouse lattice；2）It is symmetrically welded：Central tube 12 will be symmetrically in
The radial direction dividing plate 1 of the external ring dividing plate 10 and adjacent half modulus storehouse lattice 36 or 35 of the two halves modulus storehouse lattice 21,22 of both sides welds
Connect firmly, then by the external ring for having welded the two halves modulus storehouse lattice 23,24 of center between two halves modulus storehouse lattice 21,22
The welding of radial direction dividing plate 1 of dividing plate 10 and adjacent half modulus storehouse lattice 33 or 34 connects firmly, the like, by the modulus storehouse lattice 25 of residue half with
26th, 27 and 28,29 and 30,31 and 32,33 and 34,35 and 36 external ring dividing plate and adjacent half modulus storehouse lattice radial direction dividing plate
Welding connects firmly.
The Site Welding mounting process of the present invention uses half modulus storehouse lattice in-site installation, not only saves material；Pass through half module
The latch 9 of number storehouse lattice coordinates with respective dowel hole on the top plate of central tube 12, the positioning platen 5 of half and half modulus storehouse lattice and center
Tube end plate periphery 18 is tangent, while positions on the centre tube end plate step 17 of platen 5, carries out axial constraint to storehouse lattice, makes
Obtain half modulus storehouse lattice and central tube positions completely, it is easy for installation；By the way of being symmetrically welded, progressively amendment weldering to a greater degree
Connect deformation, improve integrated stress state, control welding deformation is within the scope of requiring, it is ensured that product quality is up to standard；
It is of the invention compared with old structure, by reducing a radial direction dividing plate and multiple connecting bolts, whole storehouse lattice metal material can be reduced
Material about 20% and corresponding workshop manufacture；Head uses hooking device structure, and convenient positioning reduces in-site installation difficulty；From now
The conventional welding method in field and operation difficulty angle consider mounting process, reduce welding deformation amount from overall and part, make most
Whole deflection very little, reach the requirement within steel plain degree 5mm.
Claims (7)
1. a kind of half modulus storehouse lattice, including in fan-shaped array more than two pieces of radial direction dividing plate, be fixed on adjacent two radial directions dividing plate
Between and be divided into several layers of several piece ring dividing plate, the boom hoisting being fixed on ring dividing plate or radial direction dividing plate, it is characterised in that：
The inner of radial direction dividing plate connects firmly with hooking device, the positioning hanger plate of hooking device including upper end, the positioning platen of lower end, solid
Two supporting plates between positioning hanger plate and positioning platen, the several piece gusset being fixed between two supporting plates are coupled to, positions platen
The inner be cambered surface, the lower end of a latch passes through positioning hanger plate, and radial direction dividing plate connects firmly with positioning hanger plate and positioning platen；
Also it is fixedly connected with the lateral surface of the radial direction dividing plate in edge and is divided into several layers of the external ring dividing plate of several piece.
2. half modulus storehouse lattice according to claim 1, it is characterised in that：In the bottom of every piece of ring dividing plate, external ring
The bottom of dividing plate and the bottom of radial direction dividing plate are fixedly connected with support block.
3. half modulus storehouse lattice according to claim 1 or 2, it is characterised in that：Radial direction dividing plate it is inner also with outside
Supporting plate connects firmly.
4. the packaging technology for half modulus storehouse lattice as claimed in claim 1, it is characterised in that comprise the following steps：a）Will be fixed
Position hanger plate, positioning platen, two supporting plates and the welding of several piece gusset are connected, and the lower end of latch is passed through to the pin of positioning hanger plate
Hole, form hooking device；b）The inner of more than two pieces of radial direction dividing plate is connected firmly with positioning hanger plate and positioning table plate weld；c）
Several piece ring dividing plate is set between adjacent two radial directions dividing plate, set in the lateral surface of the radial direction dividing plate in edge outside several piece
Ring dividing plate is connect, by several piece ring dividing plate and the external ring dividing plate of several piece in radial direction by several layers of arrangement；First by the ring of one layer of outermost
Connected firmly to dividing plate and external ring dividing plate and the welding of radial direction dividing plate, then by most interior one layer of ring dividing plate and external ring dividing plate with
The welding of radial direction dividing plate connects firmly, and then connects firmly the ring dividing plate of remaining each layer and external ring dividing plate with the welding of radial direction dividing plate, and
In the layer of each layer ring dividing plate and external ring dividing plate welding sequence according to clockwise successively welding with counterclockwise according to
Secondary welding is staggeredly carried out, and the angle welding between every piece of ring dividing plate and external ring dividing plate and radial direction dividing plate is used and stood upward
Formula is welded；d）Boom hoisting is welded on ring dividing plate or radial direction dividing plate.
5. the packaging technology of half modulus storehouse lattice as claimed in claim 4, it is characterised in that：In step c）In, every piece of ring every
Angle welding between plate and external ring dividing plate and radial direction dividing plate is using vertical upward, discontinuous manner welding.
6. the packaging technology of the half modulus storehouse lattice as described in claim 4 or 5, it is characterised in that：Also include:E) in every piece of ring
Weld support block in the bottom of the bottom of dividing plate, the bottom of external ring dividing plate and radial direction dividing plate；By radial direction dividing plate the inner with
The support plate weld in outside connects firmly.
7. the Site Welding using the rotary regenerative air heater rotor of half modulus storehouse lattice obtained by packaging technology as claimed in claim 4 is pacified
Dress technique, it is characterised in that comprise the following steps：1）Assembling：Several half modulus storehouse lattice are surrounded into central tube annular array, will be each
On the lower end insertion central tube top plate of the latch of half modulus storehouse lattice in respective dowel hole, by the positioning table of half and half modulus storehouse lattice
Plate and center tube end plate periphery are tangent, while position on platen centre tube end plate step, and axial constraint is carried out to storehouse lattice；
2）It is symmetrically welded：By the external ring dividing plate of the symmetrical two halves modulus storehouse lattice in central tube both sides and adjacent half modulus storehouse lattice
The welding of radial direction dividing plate connects firmly, then by the external ring for having welded the two halves modulus storehouse lattice of center between the lattice of two halves modulus storehouse
Radial direction dividing plate welding to dividing plate and adjacent half modulus storehouse lattice connects firmly, the like, by the external ring of remaining half modulus storehouse lattice
The radial direction dividing plate welding of dividing plate and adjacent half modulus storehouse lattice connects firmly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069796.6A CN107726357B (en) | 2017-11-03 | 2017-11-03 | Semi-modulus bin, assembly process and field welding installation process of rotary air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069796.6A CN107726357B (en) | 2017-11-03 | 2017-11-03 | Semi-modulus bin, assembly process and field welding installation process of rotary air preheater |
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| Publication Number | Publication Date |
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| CN107726357A true CN107726357A (en) | 2018-02-23 |
| CN107726357B CN107726357B (en) | 2024-01-12 |
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| CN201711069796.6A Active CN107726357B (en) | 2017-11-03 | 2017-11-03 | Semi-modulus bin, assembly process and field welding installation process of rotary air preheater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282300A (en) * | 2018-09-10 | 2019-01-29 | 东方电气集团东方锅炉股份有限公司 | The production method of large-scale air preheater |
| CN109737444A (en) * | 2019-03-19 | 2019-05-10 | 烟台龙源电力技术股份有限公司 | Rotary regenerative air preheater |
| WO2020088237A1 (en) * | 2018-10-31 | 2020-05-07 | 中国电建集团山东电力建设第一工程有限公司 | Welding installation process for diaphragms of rotor of rotary air preheater |
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| US3267562A (en) * | 1963-04-29 | 1966-08-23 | Air Preheater | Rotor assembly |
| US3372736A (en) * | 1964-10-02 | 1968-03-12 | Brandt Herbert | Rotary regenerative heat exchangers |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109282300A (en) * | 2018-09-10 | 2019-01-29 | 东方电气集团东方锅炉股份有限公司 | The production method of large-scale air preheater |
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| WO2020088237A1 (en) * | 2018-10-31 | 2020-05-07 | 中国电建集团山东电力建设第一工程有限公司 | Welding installation process for diaphragms of rotor of rotary air preheater |
| CN109737444A (en) * | 2019-03-19 | 2019-05-10 | 烟台龙源电力技术股份有限公司 | Rotary regenerative air preheater |
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