CN102624171A - Manufacturing mold and method of preheating module of air preheating rotor - Google Patents

Manufacturing mold and method of preheating module of air preheating rotor Download PDF

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Publication number
CN102624171A
CN102624171A CN2012100909763A CN201210090976A CN102624171A CN 102624171 A CN102624171 A CN 102624171A CN 2012100909763 A CN2012100909763 A CN 2012100909763A CN 201210090976 A CN201210090976 A CN 201210090976A CN 102624171 A CN102624171 A CN 102624171A
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dividing plate
radially
block
plate
warm
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CN102624171B (en
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梅春军
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Shanghai Boiler Works Co Ltd
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Shanghai Boiler Works Co Ltd
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Abstract

The invention discloses a manufacturing mold of a preheating module of an air preheating rotor. The manufacturing mold comprises a vertical support and a lifting eye base, wherein the vertical support is provided with an upper locating block and a lower locating block, and an upper positioning board is provided with a first pin hole; the lifting eye base comprises an upper end plate, a lower end plate and a front end plate which is fixed at the front sides of the upper end plate and the lower end plate; the ipsolateral edges of the upper end plate and the lower end plate are aligned, and the upper end plate is provided with a second pin hole which is matched with the first pin hole; the edges of the two sides of the upper end plate holds a preset included angle, and the expansion direction of the preset included angle points to the front side of the vertical support; and the manufacturing mold also comprises a cushion block the top of which is provided with a groove. The invention also discloses a method for manufacturing the preheating module of the air preheating rotor by utilizing the manufacturing mold. By using the manufacturing mold and method of the preheating module of the air preheating rotor provided by the invention, product quality is improved, the manufacturing process of the preheating module is simplified, the circulation swing of the products is reduced, production efficiency is improved, and in addition, machining allowance is reduced, and manufacturing cost is reduced.

Description

The mfg. moulding die of the warm-up block of air preheat rotor and method thereof
Technical field
The present invention relates to a kind of mfg. moulding die and method thereof of air preheater, particularly relate to a kind of mfg. moulding die and method thereof of warm-up block of air preheat rotor.
Background technology
Along with power station EQUIPMENT MARKET GUIDE market enter into decline passway, market competition will be fierce and cruel more.In the epoch of these small profits, how through reducing product cost, enhance productivity, become the most important thing of each business administration.Air preheater is energy-conservation parts in the boiler, and its operation principle is: air preheater rotor is rotated at a slow speed by motor, gear driven rotor.Absorb flue gas heat when turning over fume side, heated air when forwarding air side to, the air after will heat through pressure is sent into burner hearth, improves the temperature of burner hearth burning, accelerated combustion, and then raising boiler thermal efficiency.Air preheater rotor is divided into 36 five equilibriums, is assembled into 18 air preheat unit modules in twos, and single air preheat module has comprised trunnion cup, radially dividing plate, lateral partitions, grid frame, rotor coverboard etc.
Summary of the invention
The technical problem that the present invention will solve is complicated for the manufacturing process that overcomes warm-up block in the prior art, and production efficiency is low, and the defective that production cost is higher provides a kind of mfg. moulding die and method thereof of warm-up block of air preheat rotor.
The present invention solves above-mentioned technical problem through following technical proposals:
A kind of mfg. moulding die of warm-up block of air preheat rotor, its characteristics are that it comprises a vertical rack, the front side of said vertical rack be provided with horizontal expansion one on location-plate and locating piece once, the said location-plate of going up is provided with one first pin-and-hole; Said mfg. moulding die also comprises a hanger seat, said hanger seat comprise a upper head plate, one and said down locating piece laterally near bottom plate, be fixed in the front end-plate of said upper head plate and said bottom plate front side; The justified margin of said upper head plate and said bottom plate homonymy; Wherein said upper head plate be provided with one with the second adaptive pin-and-hole of said first pin-and-hole; The edge of said upper head plate both sides keeps a preset angle, said preset angle open the front side that direction is pointed to said vertical rack; Said mfg. moulding die comprises that also some tops are provided with the cushion block of groove.
The present invention also provides a kind of method that adopts described mfg. moulding die to make the warm-up block of air preheat rotor; Said warm-up block by two sides radially dividing plate form a sector structure; Said warm-up block comprises that also one is positioned at the middle intermediate radial dividing plate of said sector structure; And be located at the radially lateral partitions between dividing plate and the said intermediate radial dividing plate of said side, its characteristics are that said method comprises the steps:
S 1, according to the radius of said air preheat rotor with highly cut said two sides radially dividing plate, said intermediate radial dividing plate, said lateral partitions and a cold and hot end circular arc housing;
S 2, confirm and the said intermediate radial dividing plate of mark and the side position of the location hole at the place, base of dividing plate radially;
S 3, radially confirm on the dividing plate and the position of said lateral partitions of mark and cold and hot end circular arc housing in said intermediate radial dividing plate and side;
S 4, in the fitting plane of a level, confirm and assembling angle that mark one overlaps with said predetermined angle;
S 5, on the center line at said initial line, said whole limit and said assembling angle, place said cushion block, the bearing of trend of said groove is identical with the bearing of trend of said initial line, said whole limit and said center line;
S 6, radially confirm the fitted position position line on the dividing plate in said trunnion cup, said intermediate radial dividing plate and said side;
S 7, the said trunnion cup of lifting to be to the said location-plate of going up, and makes said first pin-and-hole and said second pin-and-hole to it, after the accent perpendicularity of school one first alignment pin inserted said first pin-and-hole and said second pin-and-hole;
S 8, with step S 2In said intermediate radial dividing plate insert the said groove of the said cushion block that is arranged in said center line; In the location hole of said intermediate radial dividing plate bottom, insert second alignment pin; Said second alignment pin is set up on the said cushion block, and the rear side of said intermediate radial dividing plate and the front end-plate of said trunnion cup line location back spot welding are fixed;
S 9, with step S 2In said two sides radially dividing plate insert the said groove of the said cushion block that is positioned at said initial line and said whole limit respectively; And radially insert the 3rd alignment pin in the location hole of dividing plate bottom in said side; Said the 3rd alignment pin is set up on the said cushion block, and said two sides radially dividing plate side in opposite directions are resisted against the edge of said trunnion cup respectively;
S 10, said side radially between dividing plate and the intermediate radial dividing plate, open direction block-by-block, the symmetry said lateral partitions of packing into along the angle of said stagger angle, and location dimension and the said side of the checking said lateral partitions at any time evenness of dividing plate and said intermediate radial dividing plate radially;
S 11, measure each by said lateral partitions, the side Diagonal Dimension in the lattice storehouse that surrounds of dividing plate and intermediate radial dividing plate radially;
S 12, with a cold junction grid frame and said side radially dividing plate be connected, and check the radially size of dividing plate external diameter of said cold junction grid frame outer end to said side;
S 13, the said cold and hot end circular arc coverboard of line assembling;
S 14, draw butt-joint screw position line, butt-joint screw on said cold and hot end circular arc coverboard forms the warm-up block semi-finished product;
S 15, said warm-up block semi-finished product are hung out from said mfg. moulding die weld, to process said warm-up block.
Wherein, at step S 14After also comprise to the said side glacing flatness of dividing plate, said intermediate radial dividing plate and said lateral partitions radially the and circular arc degree of the said cold and hot end circular arc coverboard step of proofreading and correct.
Wherein, adopt radius gauge to check said cold and hot end circular arc coverboard circular arc degree.
Wherein, step S 2In the assembling angle be 20 °.
Among the present invention, but above-mentioned optimum condition combination in any on the basis that meets this area general knowledge promptly gets each preferred embodiment of the present invention.
Positive progressive effect of the present invention is: the mfg. moulding die and the method for the warm-up block of the air preheat rotor among the present invention have improved product quality, have simplified the manufacturing process of warm-up block, have reduced the circulation handling of product, have improved production efficiency.Reduce machining allowance in addition, reduced production cost.
Description of drawings
Fig. 1 is the user mode reference diagram of the mfg. moulding die of the warm-up block of the air preheat rotor in the present invention's one preferred embodiment.
Fig. 2 is the vertical view under the mfg. moulding die user mode of the warm-up block of the air preheat rotor in the present invention's one preferred embodiment.Wherein, radially dividing plate, intermediate radial dividing plate all do not draw for vertical rack, side.Double dot dash line L1 among Fig. 2 and double dot dash line L3 represent to assemble the initial line and the whole limit at angle respectively, shown in the position side dividing plate radially that is used to place this warm-up block.The position is used to place the intermediate radial dividing plate of this warm-up block shown in the double dot dash line L2 among Fig. 2.Chain-dotted line among Fig. 2 is represented preset angle, and the angle that double dot dash line L1 and L3 form is represented and preset the overlapping assembling angle of angle.
Fig. 3 is the structural representation of the vertical rack among Fig. 1.
Fig. 4 is the structural representation of the trunnion cup among Fig. 1.
Fig. 5 is the upward view of trunnion cup among Fig. 4.
Fig. 6 is the user mode figure of the cushion block among Fig. 1.
Fig. 7 is trunnion cup and the side location diagram of dividing plate, intermediate radial dividing plate radially among Fig. 1.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to specify technical scheme of the present invention.For the ease of explanation, " front side " that below relates to is corresponding with the left side of accompanying drawing, and " rear side " is corresponding with the right of accompanying drawing.
Shown in Fig. 1～4, the mfg. moulding die of the warm-up block of the air preheat rotor among the present invention, it comprises the vertical rack 1 that an employing I-steel is processed, location-plate 11 and following location-plate 12 on the front side of vertical rack 1 is provided with downwards to it.On last location-plate 11, be provided with one first pin-and-hole, 111 (see figure 3)s.This mfg. moulding die has comprised that also one hangs horse seat 2.This trunnion cup 2 comprises a upper head plate 21 and a bottom plate 22, on upper head plate 21, is provided with second pin-and-hole 211 adaptive with first pin-and-hole, the trailing edge of bottom plate 22 then with the leading edge of following location-plate 12 near.Like Fig. 2 and shown in Figure 5, upper head plate 21 is positioned at the edge consistency from top to bottom of homonymy with bottom plate 22, and forms a preset angle, the angle of the warm-up block that this preset angle equals to be produced.Preheating rotor with present embodiment is an example, and it is divided into 18 warm-up block, so the angle of each warm-up block is 20 °, and promptly preset angle is 20 ° in the present embodiment.Front side at upper head plate 21 and bottom plate 22 is fixing through a front end-plate 23.This plane, front end-plate 23 place is vertical with the axis of preset angle.
This manufacturing module also comprises three cushion blocks 3 that have groove 31.
The method of making the warm-up block of air preheat rotor in conjunction with the mfg. moulding die of Fig. 1,2,5 and 7 pairs of present embodiments further specifies.
At first, the warm-up block of making is done simple declaration.Said warm-up block by two sides radially dividing plate 200 form a sector structure; Said warm-up block comprises that also one is positioned at the intermediate radial dividing plate 100 in the middle of the said sector structure, and is located at the radially lateral partitions 300 between dividing plate 200 and the said intermediate radial dividing plate 100 of said side.Said method comprises the steps:
S 1, according to the radius of said air preheat rotor with highly cut said two sides radially dividing plate 200, said intermediate radial dividing plate 100, said lateral partitions 300 and a cold and hot end circular arc housing (not shown).
S 2, confirm and the position (see figure 2) of the location hole 101 at the place, base of the said intermediate radial dividing plate 100 of mark.Same, definite also label side is the position of the location hole at the place, base of dividing plate 200 radially.
S 3, radially confirm on the dividing plate 200 and the position of all lateral partitions 300 of mark and cold and hot end circular arc housing in said intermediate radial dividing plate 100 and side.
S 4, confirm in the fitting plane of level and assembling angle that mark one overlaps with said predetermined angle that this assembling angle is 20 °.The initial line at this assembling angle and whole limit adopt double dot dash line L1 and L3 to represent in Fig. 2 respectively, the front side of opening direction sensing vertical rack 1 at assembling angle.
S 5, at S 4In the center line (being double dot dash line L2) at initial line (being double dot dash line L1), whole limit (being double dot dash line L3) and assembling angle go up and place said cushion block 3.The bearing of trend of the groove 31 of cushion block 3 is identical with the bearing of trend of said initial line, said whole limit and said center line.
S 6, radially 200 confirm the fitted position position lines on the dividing plate in said trunnion cup 2, intermediate radial dividing plate 100 and side.
S 7, the said trunnion cup 2 of lifting to be to the said location-plate 11 of going up, and makes said first pin-and-hole 111 align with said second pin-and-hole 211.Said first pin-and-hole 111 and said second pin-and-hole 211 inserted with one first alignment pin 24 after transferring perpendicularity in the school.
S 8, with step S 2In said intermediate radial dividing plate 100 insert the groove 31 of the said cushion block 3 that is arranged in said center line.In the location hole 101 of intermediate radial dividing plate 100 bottoms, insert second alignment pin 32, this second alignment pin 32 is set up on the said cushion block 3.The front end-plate 23 line location back spot welding of the rear side of intermediate radial dividing plate 100 and said trunnion cup 2 are fixed.Preferably, described second alignment pin 32 adopts the plum blossom nail.
S 9, with step S 2In said two sides radially dividing plate 200 insert the groove 31 of the cushion block 3 that is positioned at said initial line and said whole limit respectively; And radially insert the 3rd alignment pin in the location hole of dividing plate 200 bottoms in side; Said the 3rd alignment pin is set up on the said cushion block, and said two sides radially dividing plate side in opposite directions are resisted against the edge of said trunnion cup respectively.But this step refer step S 8, preferably, described the 3rd alignment pin also adopts the plum blossom nail.
S 10, as shown in Figure 7; Adjacent side radially between dividing plate 200 and the intermediate radial dividing plate 100, towards front side block-by-block, the symmetry of the vertical rack said lateral partitions 300 of packing into, and location dimension and the said side of the checking said lateral partitions 300 at any time evenness of dividing plate 200 and intermediate radial dividing plate 100 radially.
S 11, measure each by said lateral partitions 300, the side Diagonal Dimension in the lattice storehouse that surrounds of dividing plate 200 and intermediate radial dividing plate 100 radially.
S 12, with a cold junction grid frame (not shown) and side radially dividing plate 200 be connected, and check the radially size of dividing plate 200 external diameters of said cold junction grid frame outer end to said side.
S 13, the said cold and hot end circular arc coverboard of line assembling.
S 14, draw butt-joint screw position line, butt-joint screw on said cold and hot end circular arc coverboard forms the warm-up block semi-finished product.After this, to the said side glacing flatness of dividing plate 200, intermediate radial dividing plate 100 and lateral partitions 300 radially, and the circular arc degree of the said cold and hot end circular arc coverboard step of proofreading and correct.Wherein, adopt radius gauge to check said cold and hot end circular arc coverboard circular arc degree.
S 15, said warm-up block semi-finished product are hung out from said mfg. moulding die weld, to process said warm-up block.
Though more than described embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited appended claims.Those skilled in the art can make numerous variations or modification to these execution modes under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.

Claims (5)

1. the mfg. moulding die of the warm-up block of an air preheat rotor is characterized in that, it comprises a vertical rack, the front side of said vertical rack be provided with horizontal expansion one on location-plate and locating piece once, the said location-plate of going up is provided with one first pin-and-hole; Said mfg. moulding die also comprises a hanger seat, said hanger seat comprise a upper head plate, one and this time locating piece laterally near bottom plate, be fixed in the front end-plate of said upper head plate and said bottom plate front side; The justified margin of said upper head plate and said bottom plate homonymy; Wherein said upper head plate be provided with one with the second adaptive pin-and-hole of said first pin-and-hole; The edge of said upper head plate both sides keeps a preset angle, said preset angle open the front side that direction is pointed to said vertical rack; Said mfg. moulding die comprises that also some tops are provided with the cushion block of groove.
2. method that adopts the mfg. moulding die described in the claim 1 to make the warm-up block of air preheat rotor; Said warm-up block by two sides radially dividing plate form a sector structure; Said warm-up block comprises that also one is positioned at the middle intermediate radial dividing plate of said sector structure; And be located at the radially lateral partitions between dividing plate and the said intermediate radial dividing plate of said side, it is characterized in that said method comprises the steps:
S 1, according to the radius of said air preheat rotor with highly cut said two sides radially dividing plate, said intermediate radial dividing plate, said lateral partitions and a cold and hot end circular arc housing;
S 2, confirm and the said intermediate radial dividing plate of mark and the side position of the location hole at the place, base of dividing plate radially;
S 3, radially confirm on the dividing plate and the position of said lateral partitions of mark and cold and hot end circular arc housing in said intermediate radial dividing plate and side;
S 4, in the fitting plane of a level, confirm and assembling angle that mark one overlaps with said predetermined angle;
S 5, on the center line at said initial line, said whole limit and said assembling angle, place said cushion block, the bearing of trend of said groove is identical with the bearing of trend of said initial line, said whole limit and said center line;
S 6, radially confirm the fitted position position line on the dividing plate in said trunnion cup, said intermediate radial dividing plate and said side;
S 7, the said trunnion cup of lifting to be to the said location-plate of going up, and makes said first pin-and-hole and said second pin-and-hole to it, after the accent perpendicularity of school one first alignment pin inserted said first pin-and-hole and said second pin-and-hole;
S 8, with step S 2In said intermediate radial dividing plate insert the said groove of the said cushion block that is arranged in said center line; In the location hole of said intermediate radial dividing plate bottom, insert second alignment pin; Said second alignment pin is set up on the said cushion block, and the rear side of said intermediate radial dividing plate and the front end-plate of said trunnion cup line location back spot welding are fixed;
S 9, with step S 2In said two sides radially dividing plate insert the said groove of the said cushion block that is positioned at said initial line and said whole limit respectively; And radially insert the 3rd alignment pin in the location hole of dividing plate bottom in said side; Said the 3rd alignment pin is set up on the said cushion block, and said two sides radially dividing plate side in opposite directions are resisted against the edge of said trunnion cup respectively;
S 10, said side radially between dividing plate and the intermediate radial dividing plate, open direction block-by-block, the symmetry said lateral partitions of packing into along the angle of said stagger angle, and location dimension and the said side of the checking said lateral partitions at any time evenness of dividing plate and said intermediate radial dividing plate radially;
S 11, measure each by said lateral partitions, the side Diagonal Dimension in the lattice storehouse that surrounds of dividing plate and intermediate radial dividing plate radially;
S 12, with a cold junction grid frame and said side radially dividing plate be connected, and check the radially size of dividing plate external diameter of said cold junction grid frame outer end to said side;
S 13, the said cold and hot end circular arc coverboard of line assembling;
S 14, draw butt-joint screw position line, butt-joint screw on said cold and hot end circular arc coverboard forms the warm-up block semi-finished product;
S 15, said warm-up block semi-finished product are hung out from said mfg. moulding die weld, to process said warm-up block.
3. the method for the warm-up block of manufacturing air preheat rotor as claimed in claim 2 is characterized in that, at step S 14After also comprise to the said side glacing flatness of dividing plate, said intermediate radial dividing plate and said lateral partitions radially the and circular arc degree of the said cold and hot end circular arc coverboard step of proofreading and correct.
4. the method for the warm-up block of manufacturing air preheat rotor as claimed in claim 3 is characterized in that, adopts radius gauge to check said cold and hot end circular arc coverboard circular arc degree.
5. the method for the warm-up block of manufacturing air preheat rotor as claimed in claim 2 is characterized in that step S 2In the assembling angle be 20 °.
CN 201210090976 2012-03-30 2012-03-30 Manufacturing mold and method of preheating module of air preheating rotor Active CN102624171B (en)

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Application Number Priority Date Filing Date Title
CN 201210090976 CN102624171B (en) 2012-03-30 2012-03-30 Manufacturing mold and method of preheating module of air preheating rotor

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CN102624171B CN102624171B (en) 2013-12-25

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5615732A (en) * 1996-02-22 1997-04-01 Abb Preheater, Inc. Air preheater with semi-modular rotor construction
US20020088603A1 (en) * 2000-08-22 2002-07-11 Rhodes Robin B. Method of making an air preheater rotor
CN1683831A (en) * 2004-04-13 2005-10-19 孟金来 Rotary air preheater
CN101846327A (en) * 2009-03-24 2010-09-29 阿尔斯托姆科技有限公司 Be used to improve the equipment and the method for modular air preheater

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5615732A (en) * 1996-02-22 1997-04-01 Abb Preheater, Inc. Air preheater with semi-modular rotor construction
US20020088603A1 (en) * 2000-08-22 2002-07-11 Rhodes Robin B. Method of making an air preheater rotor
CN1683831A (en) * 2004-04-13 2005-10-19 孟金来 Rotary air preheater
CN101846327A (en) * 2009-03-24 2010-09-29 阿尔斯托姆科技有限公司 Be used to improve the equipment and the method for modular air preheater

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Inventor after: Mei Chunjun

Inventor after: Xiao Li

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