CN104249239A - Manufacture method of inner sleeve of lime sleeve kiln - Google Patents
Manufacture method of inner sleeve of lime sleeve kiln Download PDFInfo
- Publication number
- CN104249239A CN104249239A CN201310264859.9A CN201310264859A CN104249239A CN 104249239 A CN104249239 A CN 104249239A CN 201310264859 A CN201310264859 A CN 201310264859A CN 104249239 A CN104249239 A CN 104249239A
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- inner sleeve
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- sleeve
- assembling
- cylindrical shell
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- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 39
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 39
- 239000004571 lime Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 57
- 238000002360 preparation method Methods 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000003801 milling Methods 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000005488 sandblasting Methods 0.000 claims abstract description 7
- 239000000178 monomer Substances 0.000 claims description 14
- 239000003973 paint Substances 0.000 claims description 9
- 238000002788 crimping Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 241000406668 Loxodonta cyclotis Species 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004276 ovality control Methods 0.000 claims description 2
- 208000010727 head pressing Diseases 0.000 abstract 2
- 238000010437 sandpainting Methods 0.000 abstract 1
- 238000009785 tube rolling Methods 0.000 abstract 1
- 101100399296 Mus musculus Lime1 gene Proteins 0.000 description 25
- 239000007789 gas Substances 0.000 description 9
- 238000001354 calcination Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000000038 chest Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to lime sleeve kilns, in particular to a manufacture method of an inner sleeve of a lime sleeve kiln. The manufacture method comprises the following steps: firstly, previous preparation: compiling manufacture processes and schemes according to drawings, manufacture standards and requirements, setting types of components, such as flanges, so as to determine reasonable plate order sizes, secondly, blanking: determining blanking sizes, milling edges of jointed positions of steel plates through an edge milling machine after multiple flame numerical control cutting is performed, thirdly, barrel rolling: performing head pressing through a special head pressing template, and then performing tube rolling operation through a hoist with a special jig, and fourthly: assembly of the inner sleeve: performing assembly of the lower part of a lower section of the inner sleeve, the assembly of the upper part of the lower section of the inner sleeve, the assembly of the middle section of the inner sleeve and the assembly of the upper section of the inner sleeve, performing welding correction after the assembly of each part, and then performing sand blasting and painting numbers and bearing lines. The method ensures that users can directly know difficulties and certain key control points in manufacture, thereby guaranteeing the manufacture quality of the inner sleeve of the lime sleeve kiln.
Description
Technical field
The present invention relates to the core position equipment that sleeve lime kiln is produced, particularly relate to the preparation method of sleeve lime kiln inner sleeve non-standard equipment.
Background technology
Sleeve kiln have employed the special construction of the bitubular inside and outside kiln shell and inner sleeve, makes raw material and flow calcination process to carry out in a kiln body, and floor space is fewer than two thorax kiln, and the activity of lime of production is high, and raw burn and burn-off phenomenon less.Bed rearrangement kiln adopts the mode recycling heat energy such as recyclegas, high-temp waste gas heat exchange, so the energy consumption needed for product significantly reduces, is a kind of energy-saving limekiln.Inner sleeve is in the core position of this sleeve kiln, and be the container of limekiln calcining, it makes the quality of quality, directly affects the quality of lime and the service life of inner sleeve.
The content that sleeve lime kiln inner sleeve makes contains and is welded H profile steel, non-standard equipment making etc., because inner sleeve is positioned at the high temperature position of lime calcining, play the effect that directing gas flow carries out heat exchange, version is complicated, and inner sleeve design technology has air-tightness requirement, this proposes high-level requirement to the making of inner sleeve.
Summary of the invention
The present invention is intended to the above-mentioned difficult problem solving prior art, provides a kind of preparation method of sleeve lime kiln inner sleeve, and the present invention makes user can be directly acquainted with difficult point and some CCPs of existence in making, thus ensures the quality that inner sleeve for lime kiln makes.
The present invention is achieved in that a kind of preparation method of sleeve lime kiln inner sleeve, and it comprises the steps:
Step one, early-stage preparations:
According to drawing and production standard and requirement establishment manufacture craft, scheme; Typesetting is carried out to components such as flanges, determines rational sheet material order size;
Step 2, blanking:
Determine through numerical control multiple tracks gas flame cuttiug after blank size, use edge milling machines to the groove milling limit of steel plate joint;
Step 3, shell rolling:
With special pressure head template pressure head, more special frock is coordinated to carry out pipe crimping operation with crane;
Step 4, inner sleeve assembles:
It comprises pars infrasegmentalis assembling under inner sleeve, the assembling of inner sleeve lower section upper portion, the assembling of inner sleeve stage casing and inner sleeve epimere and assembles four parts; Every part has been assembled rear welding and has been corrected, then sandblasting paint rhumb line delivering.
The preparation method of described sleeve lime kiln inner sleeve, described step 2 comprises the following steps:
2.1, determine blanking accurate dimension, the wide and long deviation of plate of plate is ± 3mm, and diagonal deviation is 0-2mm;
2.2, the blanking of numerical control multiple tracks flame cutting machine is adopted;
2.3, utilize edge milling machines by bevel for welding machine-shaping;
3. the preparation method of sleeve lime kiln inner sleeve according to claim 1, is characterized in that: described step 3 comprises the following steps:
3.1, pressure head: select material to be that radian plate that Q345B, t=25mm are thick is as special pressure head template;
3.2, shell rolling: adopt crane to coordinate special frock to carry out pipe crimping operation, after roll-forming, joint spot welding is fixed;
The preparation method of described sleeve lime kiln inner sleeve, described step 4 comprises following process:
4.1, pars infrasegmentalis assembling under inner sleeve: first inner barrel and shrouding spot welding are fixed, and interim jig is set in inner barrel upper end, circumferentially eight equal portions are arranged, then four suspension centres be set on outer cylinder body and winched to directly over inner barrel with four isometric steel wire ropes, then coordinating crowbar to attach it to design height;
4.1.1, welding: the outside stiffener of cylindrical shell and cylindrical shell adopt intermittent weld, and consistent and uniform is answered at fusion length and interval, adopts two people to be symmetrically welded when cylindrical shell and seal plate welding, and in, welds outward simultaneously;
4.2, inner sleeve lower section upper portion assembling: respectively monomer assembling is carried out to upper and lower flange seat, by superimposed for two flange seats assembled, insertion tubing string is also in place, with driving, upper flange seat is promoted again, according to the center line put well in advance and position line, upper and lower flange seat is positioned, be connected and fixed by temporary support;
4.2.1, weld: cylindrical shell welds with flange seat, avoids vertical position welding and overhead welding;
4.2.2, correct: after up and down the erection welding of flange base monomer completes, carry out flame straightening, check its flatness with guiding ruler and steel ruler to the flange face of flange seat, control errors is at ± 2mm; Set up temporary support between inner sleeve lower section upper portion 7 endowel, after integral solder completes, coordinate chain block to adjust the perpendicularity of 7 tube banks with theodolite, control errors is at ± 2mm; Simultaneously make the center of circle at upper flange seat center and by the overall concentricity of plumb bob adjustment inner sleeve lower section upper portion structure, control errors is at ± 2mm.
4.3, inner sleeve stage casing urceolus assembling: in conjunction with the design feature in stage casing, be divided into by urceolus upper, middle and lower three to save monomer assembled, carries and holds in the palm on the basis of turn-taking making full use of cylindrical shell, set up interim flange reinforce in the end often saving cylindrical shell;
4.3.1, welding: cylindrical shell joint offers internal groove, three joint cylindrical shell monomers are assembled complete after, inner barrel adopts CO
2gas shielded arc welding welds; After cylindrical shell exterior carbon plane back chipping, gas protects weldering bottoming, submerged-arc welding capping;
4.4, inner sleeve stage casing inner core assembling: due to the particularity of stage casing inner core, be divided into 7 parts to carry out fissure of displacement assembling according to baffle arrangement inner core;
4.4.1, weld: interior cylinder adopts CO
2gas shielded arc welding welds;
4.5, inner sleeve epimere assembling: inner sleeve epimere version is the same with inner sleeve stage casing, therefore does not describe in detail;
4.6, air-tight test: leakage inspection is carried out to all welding points and connecting portion with hairbrush, suds, require to keep 0.01Mpa pressure, it is qualified that the maximum pressure declined in 30 minutes is less than 0.001MPa pressure;
4.7, sandblasting paint: inner sleeve for lime kiln adopts hand cleaning, and barrel outer surface process should perform by standard GB/T 8923-88 " before application steel surface rusting grade and derusting grade ", reaches more than St2 level (containing); Inner barrel forbids oil paint coating, and has not allowed the impurity such as welding slag, crator, ensures interior smooth; Coating uniform should be ensured, without obvious elephant skin, stream pendant, pinprick and bubble etc. during barrel outer surface application;
4.8, numbering packaging: inner sleeve outer cylinder body makes axis markers according to drawing.
The preparation method of described sleeve lime kiln inner sleeve, in described step 2 when inner sleeve hypomere flange and shrouding blanking, the manhole on inner sleeve hypomere flange and shrouding and centre bore complete by Numerical control cutting; Flange and shrouding adopt semi-automatic numerical control cutting machine to cut formation 7 tube bank hole after assembled welding completes, prevent first perforate more assembled welding cause pitch-row deviation comparatively large, thus the assembly quality of impact tube bank and efficiency;
The preparation method of described sleeve lime kiln inner sleeve, when in described step 4, under inner sleeve, pars infrasegmentalis assembles, for improving efficiency of assembling, overall assembling again after being divided into two parts to complete respectively inner sleeve hypomere bottom, carry out levelling to assembly platform before overall assembling, flatness controls at ± 2mm; Adopt two people to be symmetrically welded when cylindrical shell and seal plate welding, in one, one welds outward simultaneously;
The preparation method of described sleeve lime kiln inner sleeve, in described step 4 during the assembling of inner sleeve lower section upper portion, in order to ensure the perpendicularity of the overall concentricity of inner sleeve lower section upper portion structure and 7 endowels, according to technological requirement, temporary support is set up before welding, to reach the object controlling welding deformation between 7 endowels;
The preparation method of described sleeve lime kiln inner sleeve, in described step 4 during the assembling of inner sleeve stage casing urceolus, inner sleeve urceolus is in conjunction with own structural characteristics, be divided into upper, middle and lower three to save cylindrical shell monomer is assembled complete after integral assembling again, within cylindrical shell joint faulting of slab ends control 2mm, ovality controls at ± 6mm;
The preparation method of described sleeve lime kiln inner sleeve, in described step 4 during the assembling of inner sleeve stage casing inner core, is divided into 7 parts to carry out fissure of displacement assembling according to baffle arrangement inner core, avoids cross weld seam;
The present invention adopts special pressure head template pressure head, then coordinates pipe crimping operation by special frock, ensure that the ovality of cylindrical shell entirety; The assembly technology that employing cylindrical shell monomer assembling etc. are scientific and reasonable, improves efficiency and the precision of assembling; Adopt special welding procedure to reduce welding deformation, ensure inner sleeve integral manufacturing precision and overall concentricity; Adopt the assembling of the inner core segmentation fissure of displacement, avoid cross crotch, improve inner sleeve total quality and life-span, thus ensure that the workmanship of sleeve lime kiln inner sleeve.
Detailed description of the invention
Provide the specific embodiment of the present invention below
A preparation method for sleeve lime kiln inner sleeve, it comprises subordinate's step:
Step one, early-stage preparations:
According to drawing and production standard and requirement establishment manufacture craft, scheme; Typesetting is carried out to components such as flanges, determines rational sheet material order size;
Step 2, blanking:
Determine through numerical control multiple tracks gas flame cuttiug after blank size, use edge milling machines to the groove milling limit of steel plate joint;
Step 3, shell rolling:
With special pressure head template pressure head, more special frock is coordinated to carry out pipe crimping operation with crane;
Step 4, inner sleeve assembles:
It comprises pars infrasegmentalis assembling under inner sleeve, the assembling of inner sleeve lower section upper portion, the assembling of inner sleeve stage casing and inner sleeve epimere and assembles four parts; Every part has been assembled rear welding and has been corrected, then sandblasting paint rhumb line delivering.
2. the preparation method of sleeve lime kiln inner sleeve according to claim 1, is characterized in that: described step 2 comprises the following steps:
2.1, determine blanking accurate dimension, the wide and long deviation of plate of plate is ± 3mm, and diagonal deviation is 0-2mm;
2.2, the blanking of numerical control multiple tracks flame cutting machine is adopted;
2.3, utilize edge milling machines by bevel for welding machine-shaping;
3. the preparation method of sleeve lime kiln inner sleeve according to claim 1, is characterized in that: described step 3 comprises the following steps:
3.1, pressure head: select material to be that radian plate that Q345B, t=25mm are thick is as special pressure head template;
3.2, shell rolling: adopt crane to coordinate special frock to carry out pipe crimping operation, after roll-forming, joint spot welding is fixed;
4. the preparation method of sleeve lime kiln inner sleeve according to claim 1, is characterized in that: described step 4 comprises following process:
4.1, pars infrasegmentalis assembling under inner sleeve: first inner barrel and shrouding spot welding are fixed, and interim jig is set in inner barrel upper end, circumferentially eight equal portions are arranged, then four suspension centres be set on outer cylinder body and winched to directly over inner barrel with four isometric steel wire ropes, then coordinating crowbar to attach it to design height;
4.1.1, welding: the outside stiffener of cylindrical shell and cylindrical shell adopt intermittent weld, and consistent and uniform is answered at fusion length and interval, adopts two people to be symmetrically welded when cylindrical shell and seal plate welding, and in, welds outward simultaneously;
4.2, inner sleeve lower section upper portion assembling: respectively monomer assembling is carried out to upper and lower flange seat, by superimposed for two flange seats assembled, insertion tubing string is also in place, with driving, upper flange seat is promoted again, according to the center line put well in advance and position line, upper and lower flange seat is positioned, be connected and fixed by temporary support;
4.2.1, weld: cylindrical shell welds with flange seat, avoids vertical position welding and overhead welding;
4.2.2, correct: after up and down the erection welding of flange base monomer completes, carry out flame straightening, check its flatness with guiding ruler and steel ruler to the flange face of flange seat, control errors is at ± 2mm; Set up temporary support between inner sleeve lower section upper portion 7 endowel, after integral solder completes, coordinate chain block to adjust the perpendicularity of 7 tube banks with theodolite, control errors is at ± 2mm; Simultaneously make the center of circle at upper flange seat center and by the overall concentricity of plumb bob adjustment inner sleeve lower section upper portion structure, control errors is at ± 2mm.
4.3, inner sleeve stage casing urceolus assembling: in conjunction with the design feature in stage casing, be divided into by urceolus upper, middle and lower three to save monomer assembled, carries and holds in the palm on the basis of turn-taking making full use of cylindrical shell, set up interim flange reinforce in the end often saving cylindrical shell;
4.3.1, welding: cylindrical shell joint offers internal groove, three joint cylindrical shell monomers are assembled complete after, inner barrel adopts CO
2gas shielded arc welding welds; After cylindrical shell exterior carbon plane back chipping, gas protects weldering bottoming, submerged-arc welding capping;
4.4, inner sleeve stage casing inner core assembling: due to the particularity of stage casing inner core, be divided into 7 parts to carry out fissure of displacement assembling according to baffle arrangement inner core;
4.4.1, weld: interior cylinder adopts CO
2gas shielded arc welding welds;
4.5, inner sleeve epimere assembling: inner sleeve epimere version is the same with inner sleeve stage casing, therefore does not describe in detail;
4.6, air-tight test: leakage inspection is carried out to all welding points and connecting portion with hairbrush, suds, require to keep 0.01Mpa pressure, it is qualified that the maximum pressure declined in 30 minutes is less than 0.001MPa pressure;
4.7, sandblasting paint: inner sleeve for lime kiln adopts hand cleaning, and barrel outer surface process should perform by standard GB/T 8923-88 " before application steel surface rusting grade and derusting grade ", reaches more than St2 level (containing); Inner barrel forbids oil paint coating, and has not allowed the impurity such as welding slag, crator, ensures interior smooth; Coating uniform should be ensured, without obvious elephant skin, stream pendant, pinprick and bubble etc. during barrel outer surface application;
4.8, numbering packaging: inner sleeve outer cylinder body makes axis markers, cylindrical shell non-packed according to drawing.
Claims (9)
1. a preparation method for sleeve lime kiln inner sleeve, it comprises the steps:
Step one, early-stage preparations:
According to drawing and production standard and requirement establishment manufacture craft, scheme; Typesetting is carried out to components such as flanges, determines rational sheet material order size;
Step 2, blanking:
Determine through numerical control multiple tracks gas flame cuttiug after blank size, use edge milling machines to the groove milling limit of steel plate joint;
Step 3, shell rolling:
With special pressure head template pressure head, more special frock is coordinated to carry out pipe crimping operation with crane;
Step 4, inner sleeve assembles:
It comprises pars infrasegmentalis assembling under inner sleeve, the assembling of inner sleeve lower section upper portion, the assembling of inner sleeve stage casing and inner sleeve epimere and assembles four parts; Every part has been assembled rear welding and has been corrected, and then sandblasting paint rhumb line can complete the making of inner sleeve.
2. the preparation method of sleeve lime kiln inner sleeve according to claim 1, is characterized in that: described step 2 comprises the following steps:
2.1, determine blanking accurate dimension, the wide and long deviation of plate of plate is ± 3mm, and diagonal deviation is 0-2mm;
2.2, the blanking of numerical control multiple tracks flame cutting machine is adopted;
2.3, utilize edge milling machines by bevel for welding machine-shaping.
3. the preparation method of sleeve lime kiln inner sleeve according to claim 1, is characterized in that: described step 3 comprises the following steps:
3.1, pressure head: select material to be that radian plate that Q345B, t=25mm are thick is as special pressure head template;
3.2, shell rolling: adopt crane to coordinate special frock to carry out pipe crimping operation, after roll-forming, joint spot welding is fixed.
4. the preparation method of sleeve lime kiln inner sleeve according to claim 1, is characterized in that: described step 4 comprises following process:
4.1, pars infrasegmentalis assembling under inner sleeve: first inner barrel and shrouding spot welding are fixed, and interim jig is set in inner barrel upper end, circumferentially eight equal portions are arranged, then four suspension centres be set on outer cylinder body and winched to directly over inner barrel with four isometric steel wire ropes, then coordinating crowbar to attach it to design height;
4.11, weld: the outside stiffener of cylindrical shell and cylindrical shell adopt intermittent weld, and consistent and uniform is answered at fusion length and interval, adopts two people to be symmetrically welded when cylindrical shell and seal plate welding, and in one, one welds outward simultaneously;
4.2, inner sleeve lower section upper portion assembling: respectively monomer assembling is carried out to upper and lower flange seat, by superimposed for two flange seats assembled, insertion tubing string is also in place, with driving, upper flange seat is promoted again, according to the center line put well in advance and position line, upper and lower flange seat is positioned, be connected and fixed by temporary support;
4.2.1, weld: cylindrical shell welds with flange seat, avoids vertical position welding and overhead welding;
4.2.2, correct: after up and down the erection welding of flange base monomer completes, carry out flame straightening, check its flatness with guiding ruler and steel ruler to the flange face of flange seat, control errors is at ± 2mm; Set up temporary support between inner sleeve lower section upper portion seven endowel, after integral solder completes, coordinate chain block to adjust the perpendicularity of seven tube banks with theodolite, control errors is at ± 2mm; Simultaneously make the center of circle at upper flange seat center and by the overall concentricity of plumb bob adjustment inner sleeve lower section upper portion structure, control errors is at ± 2mm;
4.3, inner sleeve stage casing urceolus assembling: in conjunction with the design feature in stage casing, be divided into by urceolus upper, middle and lower three to save monomer assembled, carries and holds in the palm on the basis of turn-taking making full use of cylindrical shell, set up interim flange reinforce in the end often saving cylindrical shell;
4.3.1, welding: cylindrical shell joint offers internal groove, three joint cylindrical shell monomers are assembled complete after, inner barrel adopts CO
2gas shielded arc welding welds; After cylindrical shell exterior carbon plane back chipping, gas protects weldering bottoming, submerged-arc welding capping;
4.4, inner sleeve stage casing inner core assembling: due to the particularity of stage casing inner core, inner core is carried out fissure of displacement assembling according to baffle arrangement;
4.41, weld: interior cylinder adopts CO
2gas shielded arc welding welds;
4.5, inner sleeve epimere assembling: inner sleeve epimere version is the same with inner sleeve stage casing;
4.6, air-tight test: leakage inspection is carried out to all welding points and connecting portion with hairbrush, suds, require to keep 0.01Mpa pressure, it is qualified that the maximum pressure declined in 30 minutes is less than 0.001MPa pressure;
4.7, sandblasting paint: inner sleeve for lime kiln adopts hand cleaning, and barrel outer surface process should perform by standard GB/T 8923-88 " before application steel surface rusting grade and derusting grade ", reaches St2 level or more; Inner barrel forbids oil paint coating, and has not allowed the impurity such as welding slag, crator, ensures interior smooth; Coating uniform should be ensured, without obvious elephant skin, stream pendant, pinprick and bubble etc. during barrel outer surface application;
4.8, numbering packaging: inner sleeve outer cylinder body makes axis markers according to drawing.
5. the preparation method of sleeve lime kiln inner sleeve according to claim 1 and 2, is characterized in that, described step 2 comprises manhole on inner sleeve hypomere flange and shrouding and centre bore completes by Numerical control cutting; Flange and shrouding adopt semi-automatic numerical control cutting machine to cut formation 7 tube bank hole after assembled welding completes, prevent first perforate more assembled welding cause pitch-row deviation comparatively large, thus the assembly quality of impact tube bank and efficiency.
6. the preparation method of the sleeve lime kiln inner sleeve according to claim 1 or 4, it is characterized in that, in described step 4, for improving efficiency of assembling, overall assembling again after being divided into two parts to complete respectively inner sleeve hypomere bottom, carry out levelling to assembly platform before overall assembling, flatness controls at ± 2mm; Adopt two people to be symmetrically welded when cylindrical shell and seal plate welding, in one, one welds outward simultaneously.
7. the preparation method of the sleeve lime kiln inner sleeve according to claim 1 or 4, it is characterized in that, in described step 4, in order to ensure the perpendicularity of the overall concentricity of inner sleeve lower section upper portion structure and 7 endowels, according to technological requirement, temporary support is set up before welding, to reach the object controlling welding deformation between 7 endowels.
8. the preparation method of the sleeve lime kiln inner sleeve according to claim 1 or 4, is characterized in that, in described step 4, three joint cylindrical shell integral assemblings, within cylindrical shell joint faulting of slab ends control 2mm, ovality controls at ± 6mm.
9. the preparation method of the sleeve lime kiln inner sleeve according to claim 1 or .4, is characterized in that, in described step 4, is divided into 7 parts to carry out the fissure of displacement assembling inner core, avoids cross weld seam according to baffle arrangement.
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| CN201310264859.9A CN104249239B (en) | 2013-06-28 | 2013-06-28 | The preparation method of sleeve lime kiln inner sleeve |
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| CN201310264859.9A CN104249239B (en) | 2013-06-28 | 2013-06-28 | The preparation method of sleeve lime kiln inner sleeve |
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| CN104249239B CN104249239B (en) | 2017-06-16 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698977A (en) * | 2015-11-17 | 2017-05-24 | 上海宝冶建设工业炉工程技术有限公司 | Method for manufacturing angle ring equipment of dual-hearth lime kiln |
| CN107755971A (en) * | 2016-08-18 | 2018-03-06 | 上海宝冶建设工业炉工程技术有限公司 | The nonstandard ash discharge system preparation method of double-hearth lime kiln |
| CN108188550A (en) * | 2018-02-09 | 2018-06-22 | 浙江同力重型机械制造有限公司 | A kind of large-size cylinder body welding procedure |
| CN109894765A (en) * | 2019-03-29 | 2019-06-18 | 山西阳煤化工机械（集团）有限公司 | A kind of inner cylinder is production and the pressure-measuring method of the jacketed vessel of internal groove |
| CN114227156A (en) * | 2021-12-10 | 2022-03-25 | 中国水电四局(酒泉)新能源装备有限公司 | Assembly construction method of wind power foundation steel pipe piles |
| CN114619205A (en) * | 2022-03-08 | 2022-06-14 | 中国葛洲坝集团机械船舶有限公司 | Manufacturing method of large steel structure with multiple flange connections |
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| DE1957608A1 (en) * | 1968-11-15 | 1970-07-23 | Rolls Royce | Process for the formation of clampable holders on workpieces for the purpose of machining them |
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| CN102303956A (en) * | 2011-07-22 | 2012-01-04 | 石家庄市新华工业炉有限公司 | Sleeve-type lime kiln |
| CN202297393U (en) * | 2011-07-29 | 2012-07-04 | 上海宝冶集团有限公司 | Inner sleeve for lime kiln |
| CN102564148A (en) * | 2012-02-29 | 2012-07-11 | 石家庄市新华工业炉有限公司 | Heat exchange system of sleeve kiln |
| CN102627417A (en) * | 2012-04-26 | 2012-08-08 | 石家庄市新华工业炉有限公司 | Lime cooling equipment of sleeve kiln |
| CN102627418A (en) * | 2012-04-26 | 2012-08-08 | 石家庄市新华工业炉有限公司 | Compound lime kiln |
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| CN101381200A (en) * | 2007-09-04 | 2009-03-11 | 上海宝冶建设有限公司 | Tin pot base production method of float glass production line |
| CN102303956A (en) * | 2011-07-22 | 2012-01-04 | 石家庄市新华工业炉有限公司 | Sleeve-type lime kiln |
| CN202297393U (en) * | 2011-07-29 | 2012-07-04 | 上海宝冶集团有限公司 | Inner sleeve for lime kiln |
| CN102564148A (en) * | 2012-02-29 | 2012-07-11 | 石家庄市新华工业炉有限公司 | Heat exchange system of sleeve kiln |
| CN102627417A (en) * | 2012-04-26 | 2012-08-08 | 石家庄市新华工业炉有限公司 | Lime cooling equipment of sleeve kiln |
| CN102627418A (en) * | 2012-04-26 | 2012-08-08 | 石家庄市新华工业炉有限公司 | Compound lime kiln |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106698977A (en) * | 2015-11-17 | 2017-05-24 | 上海宝冶建设工业炉工程技术有限公司 | Method for manufacturing angle ring equipment of dual-hearth lime kiln |
| CN107755971A (en) * | 2016-08-18 | 2018-03-06 | 上海宝冶建设工业炉工程技术有限公司 | The nonstandard ash discharge system preparation method of double-hearth lime kiln |
| CN107755971B (en) * | 2016-08-18 | 2019-11-26 | 上海宝冶建设工业炉工程技术有限公司 | The nonstandard ash discharge system production method of double-hearth lime kiln |
| CN108188550A (en) * | 2018-02-09 | 2018-06-22 | 浙江同力重型机械制造有限公司 | A kind of large-size cylinder body welding procedure |
| CN109894765A (en) * | 2019-03-29 | 2019-06-18 | 山西阳煤化工机械（集团）有限公司 | A kind of inner cylinder is production and the pressure-measuring method of the jacketed vessel of internal groove |
| CN114227156A (en) * | 2021-12-10 | 2022-03-25 | 中国水电四局(酒泉)新能源装备有限公司 | Assembly construction method of wind power foundation steel pipe piles |
| CN114619205A (en) * | 2022-03-08 | 2022-06-14 | 中国葛洲坝集团机械船舶有限公司 | Manufacturing method of large steel structure with multiple flange connections |
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Address after: 200941, No. 8, building 168, four Yuan Road, Shanghai, Baoshan District Patentee after: SHANGHAI BAOYE METALLURGY ENGINEERING Co.,Ltd. Address before: 200941, No. four, 168 yuan Road, Shanghai, Baoshan District Patentee before: SHANGHAI BAOYE CONSTRUCTION INDUSTRIAL FURNACE ENGINEERING TECHNOLOGY Co.,Ltd. |
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