CN104249239B - The preparation method of sleeve lime kiln inner sleeve - Google Patents
The preparation method of sleeve lime kiln inner sleeve Download PDFInfo
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- CN104249239B CN104249239B CN201310264859.9A CN201310264859A CN104249239B CN 104249239 B CN104249239 B CN 104249239B CN 201310264859 A CN201310264859 A CN 201310264859A CN 104249239 B CN104249239 B CN 104249239B
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- inner sleeve
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Classifications
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- 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
Abstract
The present invention relates to sleeve lime kiln, more particularly to a kind of preparation method of sleeve lime kiln inner sleeve, it includes subordinate's step：Step one, early-stage preparations：According to drawing and making standard and requirement establishment manufacture craft, scheme；Typesetting is carried out to components such as flanges, it is determined that rational sheet material order size；Step 2, blanking：Determine after blank size through numerical control multiple tracks gas flame cuttiug, using edge milling machines to the groove milling side of steel plate joint；Step 3, shell rolling：With special pressure head template pressure head, then the special frock is coordinated to carry out pipe crimping operation with crane；Step 4, inner sleeve assembling：Pars infrasegmentalis assembling, the assembling of inner sleeve lower section upper portion, the assembling of inner sleeve stage casing and inner sleeve epimere assemble four parts under it includes inner sleeve；Corrected per partially completed rear welding, then sandblasting paint rhumb line.The present invention enables users to be directly acquainted with difficult point present in making and some CCPs, so as to ensure the quality that sleeve lime kiln inner sleeve makes.
Description
Technical field
The present invention relates to the core position equipment of sleeve lime kiln production, more particularly to sleeve lime kiln inner sleeve is nonstandard sets
Standby preparation method.
Background technology
Sleeve kiln employs the special construction of the bitubular inside and outside kiln shell and inner sleeve, makes raw material cocurrent calcination process in a kiln
Carry out in vivo, and floor space is fewer than double thorax kilns, the activity of lime of production is high, and raw burn and burn-off phenomenon are less.Bed rearrangement kiln
Using mode recycling heat energies such as recyclegas, high-temp waste gas heat exchange, so the energy consumption needed for product is greatly reduced, it is a kind of
Energy-saving limekiln.Inner sleeve is in the core position of the sleeve kiln, is the container of limekiln calcining, and it makes the good of quality
It is bad, directly affect the quality of lime and the service life of inner sleeve.
The content that sleeve lime kiln inner sleeve makes covers and is welded H profile steel, and non-standard equipment makes etc., because inner sleeve is located at
The high temperature position of lime calcining, playing a part of directing gas flow carries out heat exchange, and structure type is complicated, and inner sleeve design technology
There is air-tightness to require, this making to inner sleeve proposes the requirement of high standard.
The content of the invention
Present invention seek to address that the above-mentioned problem of prior art, there is provided a kind of preparation method of sleeve lime kiln inner sleeve,
The present invention enables users to be directly acquainted with difficult point present in making and some CCPs, so as to ensure limekiln inner sleeve
The quality that cylinder makes.
What the present invention was realized in：A kind of preparation method of sleeve lime kiln inner sleeve, it comprises the steps：
Step one, early-stage preparations：
According to drawing and making standard and requirement establishment manufacture craft, scheme；Typesetting is carried out to components such as flanges, it is determined that closing
The sheet material order size of reason；
Step 2, blanking：
Determine after blank size through numerical control multiple tracks gas flame cuttiug, using edge milling machines to the groove milling side of steel plate joint；
Step 3, shell rolling：
With special pressure head template pressure head, then the special frock is coordinated to carry out pipe crimping operation with crane；
Step 4, inner sleeve assembling：
It is including on pars infrasegmentalis assembling, the assembling of inner sleeve lower section upper portion, the assembling of inner sleeve stage casing and inner sleeve under inner sleeve
Four parts of section assembling；Per welding correction after partially completed, then sandblasting paint rhumb line and deliver.
The preparation method of described sleeve lime kiln inner sleeve, the step 2 comprises the following steps：
2.1st, blanking accurate dimension is determined, plate is wide and plate deviation long is ± 3mm, and diagonal deviation is 0-2mm；
2.2nd, using numerical control multiple tracks flame cutting machine blanking；
2.3rd, using edge milling machines by welding groove machine-shaping；
3. the preparation method of sleeve lime kiln inner sleeve according to claim 1, it is characterised in that：The step
Three comprise the following steps：
3.1st, pressure head：It is Q345B from material, t=25mm thick radian plate is used as special pressure head template；
3.2nd, shell rolling：Pipe crimping operation is carried out using the special frock of crane cooperation, by joint point after roll-forming
Solid welding is determined；
The preparation method of described sleeve lime kiln inner sleeve, the step 4 includes following process：
4.1st, pars infrasegmentalis assembling under inner sleeve：Inner barrel is fixed with shrouding spot welding first, and is set in inner barrel upper end
Interim fixture, circumferentially eight equal portions arrangement, then set on outer cylinder body four suspension centres and with four isometric steel wire ropes by its
It is hung to directly over inner barrel, then coordinates crowbar to attach it to design height；
4.1.1, weld：Cylinder outside stiffener uses intermittent weld with cylinder, and consistent and uniform is answered at fusion length and interval,
It is symmetrically welded using two people when cylinder is with seal plate welding, an outer welding simultaneously in；
4.2nd, inner sleeve lower section upper portion assembling：Monomer assembling is carried out to upper and lower flange seat respectively, two for assembling method
Blue seat overlapping, insertion tubing string is simultaneously in place, then is lifted upper flange seat with driving, according to the center line and position line pair put well in advance
Upper and lower flange seat is positioned, and is connected with temporary support；
4.2.1, weld：Cylinder is welded with flange seat, it is to avoid vertical position welding and overhead welding；
4.2.2, correct：After the completion of upper and lower flange base monomer erection welding, flame is carried out to the flange face of flange seat and is rectified
Just, its flatness is checked with guiding ruler and steel ruler, control errors are in ± 2mm；Set up interim between 7 tubing strings of inner sleeve lower section upper portion
Support, after the completion of integral solder, coordinates chain block to adjust 7 perpendicularity of tube bank with theodolite, and control errors are in ± 2mm；
The center of circle being made at upper flange seat center and adjusting inner sleeve lower section upper portion structure entirety concentricity with plumb bob, control errors exist simultaneously
±2mm。
4.3rd, inner sleeve stage casing outer barrel assembling：With reference to the design feature in stage casing, outer barrel is divided into upper, middle and lower three and saves monomer
Assembly, is making full use of cylinder to carry on the basis of support turn-takes, and sets up interim flange in the end of every section cylinder and is reinforced；
4.3.1, weld：Cylinder joint opens up internal groove, and after the completion of three section cylinder monomer assembly, inner barrel is used
CO2Gas shielded arc welding is welded；Gas shield welding bottoming, submerged-arc welding capping after cylinder exterior carbon plane back chipping；
4.4th, inner sleeve stage casing inner cylinder assembling：Due to the particularity of stage casing inner cylinder, inner cylinder is divided into 7 parts according to baffle arrangement
Carry out fissure of displacement assembling；
4.4.1, weld：Interior cylinder uses CO2Gas shielded arc welding is welded；
4.5th, inner sleeve epimere assembling：Inner sleeve epimere structure type is not detailed as inner sleeve stage casing；
4.6th, air-tight test：Leakage inspection is carried out to all welding points and connecting portion with hairbrush, suds, it is desirable to
0.01Mpa pressure is kept, the maximum pressure declined in 30 minutes is qualified less than 0.001MPa pressure；
4.7th, sandblasting paint：Inner sleeve for lime kiln uses hand cleaning, ought to be by national standard at barrel outer surface
GB8923-88 " steel surface rusting grade and derusting grade before application " is performed, and is reached St2 grades (containing) more than；Inner barrel is tight
Prohibit oil paint coating, and be not allow for the impurity such as welding slag, crator, it is ensured that interior smooth；Coating is should ensure that during barrel outer surface application
Uniformly, without obvious elephant skin, stream pendant, pinprick and bubble etc.；
4.8th, numbering packaging：On inner sleeve outer cylinder body axis markers are made according to drawing.
The preparation method of described sleeve lime kiln inner sleeve, inner sleeve hypomere flange and shrouding blanking in the step 2
When, manhole and centre bore on inner sleeve hypomere flange and shrouding are completed by Numerical control cutting；Flange and shrouding are welded in assembly
After the completion of cut to form 7 tube bank holes using semi-automatic numerical control cutting machine, assembled welding causes pitch-row deviation again to prevent first perforate
It is larger, so as to influence the assembling quality and efficiency of tube bank；
The preparation method of described sleeve lime kiln inner sleeve, when pars infrasegmentalis is assembled under inner sleeve in the step 4, be
Efficiency of assembling is improved, pars infrasegmentalis under inner sleeve is divided into after two parts complete respectively again overall assembling, it is right before overall assembling
Assembly platform carry out it is levelling, flatness control in ± 2mm；Be symmetrically welded using two people when cylinder is with seal plate welding, one in one outside
Weld simultaneously；
The preparation method of described sleeve lime kiln inner sleeve, when inner sleeve lower section upper portion is assembled in the step 4, be
Ensure inner sleeve lower section upper portion structure entirety concentricity and 7 perpendicularity of tubing string, according to technological requirement, exist before welding
Temporary support is set up between 7 tubing strings, to reach the purpose of control welding deformation；
The preparation method of described sleeve lime kiln inner sleeve, it is interior when inner sleeve stage casing outer barrel is assembled in the step 4
Sleeve outer barrel combination own structural characteristics, are divided into after the completion of the section cylinder monomer assembly of upper, middle and lower three integral assembling, cylinder pair again
Connect within place's faulting of slab ends control 2mm, ovality is controlled in ± 6mm；
The preparation method of described sleeve lime kiln inner sleeve, when inner sleeve stage casing inner cylinder is assembled in the step 4, will
Inner cylinder is divided into 7 parts according to baffle arrangement carries out fissure of displacement assembling, it is to avoid cross weld seam；
The present invention uses special pressure head template pressure head, then coordinates pipe crimping operation with special frock, it is ensured that cylinder is whole
The ovality of body；Using scientific and reasonable assembly technologies such as cylinder monomer assemblings, the efficiency and precision of assembling are improved；Using special
Welding procedure reduce welding deformation, it is ensured that inner sleeve integral manufacturing precision and overall concentricity；Filled using the inner cylinder segmentation fissure of displacement
Match somebody with somebody, it is to avoid cross crotch, improve inner sleeve total quality and life-span, so as to ensure that the manufacture matter of sleeve lime kiln inner sleeve
Amount.
Specific embodiment
Specific embodiment of the invention is given below
A kind of preparation method of sleeve lime kiln inner sleeve, it includes subordinate's step：
Step one, early-stage preparations：
According to drawing and making standard and requirement establishment manufacture craft, scheme；Typesetting is carried out to components such as flanges, it is determined that closing
The sheet material order size of reason；
Step 2, blanking：
Determine after blank size through numerical control multiple tracks gas flame cuttiug, using edge milling machines to the groove milling side of steel plate joint；
Step 3, shell rolling：
With special pressure head template pressure head, then the special frock is coordinated to carry out pipe crimping operation with crane；
Step 4, inner sleeve assembling：
It is including on pars infrasegmentalis assembling, the assembling of inner sleeve lower section upper portion, the assembling of inner sleeve stage casing and inner sleeve under inner sleeve
Four parts of section assembling；Per welding correction after partially completed, then sandblasting paint rhumb line and deliver.
2. the preparation method of sleeve lime kiln inner sleeve according to claim 1, it is characterised in that：The step
Two comprise the following steps：
2.1st, blanking accurate dimension is determined, plate is wide and plate deviation long is ± 3mm, and diagonal deviation is 0-2mm；
2.2nd, using numerical control multiple tracks flame cutting machine blanking；
2.3rd, using edge milling machines by welding groove machine-shaping；
3. the preparation method of sleeve lime kiln inner sleeve according to claim 1, it is characterised in that：The step
Three comprise the following steps：
3.1st, pressure head：It is Q345B from material, t=25mm thick radian plate is used as special pressure head template；
3.2nd, shell rolling：Pipe crimping operation is carried out using the special frock of crane cooperation, by joint point after roll-forming
Solid welding is determined；
4. the preparation method of sleeve lime kiln inner sleeve according to claim 1, it is characterised in that：The step
Four include following process：
4.1st, pars infrasegmentalis assembling under inner sleeve：Inner barrel is fixed with shrouding spot welding first, and is set in inner barrel upper end
Interim fixture, circumferentially eight equal portions arrangement, then set on outer cylinder body four suspension centres and with four isometric steel wire ropes by its
It is hung to directly over inner barrel, then coordinates crowbar to attach it to design height；
4.1.1, weld：Cylinder outside stiffener uses intermittent weld with cylinder, and consistent and uniform is answered at fusion length and interval,
It is symmetrically welded using two people when cylinder is with seal plate welding, an outer welding simultaneously in；
4.2nd, inner sleeve lower section upper portion assembling：Monomer assembling is carried out to upper and lower flange seat respectively, two for assembling method
Blue seat overlapping, insertion tubing string is simultaneously in place, then is lifted upper flange seat with driving, according to the center line and position line pair put well in advance
Upper and lower flange seat is positioned, and is connected with temporary support；
4.2.1, weld：Cylinder is welded with flange seat, it is to avoid vertical position welding and overhead welding；
4.2.2, correct：After the completion of upper and lower flange base monomer erection welding, flame is carried out to the flange face of flange seat and is rectified
Just, its flatness is checked with guiding ruler and steel ruler, control errors are in ± 2mm；Set up interim between 7 tubing strings of inner sleeve lower section upper portion
Support, after the completion of integral solder, coordinates chain block to adjust 7 perpendicularity of tube bank with theodolite, and control errors are in ± 2mm；
The center of circle being made at upper flange seat center and adjusting inner sleeve lower section upper portion structure entirety concentricity with plumb bob, control errors exist simultaneously
±2mm。
4.3rd, inner sleeve stage casing outer barrel assembling：With reference to the design feature in stage casing, outer barrel is divided into upper, middle and lower three and saves monomer
Assembly, is making full use of cylinder to carry on the basis of support turn-takes, and sets up interim flange in the end of every section cylinder and is reinforced；
4.3.1, weld：Cylinder joint opens up internal groove, and after the completion of three section cylinder monomer assembly, inner barrel is used
CO2Gas shielded arc welding is welded；Gas shield welding bottoming, submerged-arc welding capping after cylinder exterior carbon plane back chipping；
4.4th, inner sleeve stage casing inner cylinder assembling：Due to the particularity of stage casing inner cylinder, inner cylinder is divided into 7 parts according to baffle arrangement
Carry out fissure of displacement assembling；
4.4.1, weld：Interior cylinder uses CO2Gas shielded arc welding is welded；
4.5th, inner sleeve epimere assembling：Inner sleeve epimere structure type is not detailed as inner sleeve stage casing；
4.6th, air-tight test：Leakage inspection is carried out to all welding points and connecting portion with hairbrush, suds, it is desirable to
0.01Mpa pressure is kept, the maximum pressure declined in 30 minutes is qualified less than 0.001MPa pressure；
4.7th, sandblasting paint：Inner sleeve for lime kiln uses hand cleaning, ought to be by national standard at barrel outer surface
GB8923-88 " steel surface rusting grade and derusting grade before application " is performed, and is reached St2 grades (containing) more than；Inner barrel is tight
Prohibit oil paint coating, and be not allow for the impurity such as welding slag, crator, it is ensured that interior smooth；Coating is should ensure that during barrel outer surface application
Uniformly, without obvious elephant skin, stream pendant, pinprick and bubble etc.；
4.8th, numbering packaging：On inner sleeve outer cylinder body axis markers, cylinder non-packed are made according to drawing.
Claims (8)
1. a kind of preparation method of sleeve lime kiln inner sleeve, it is characterised in that it comprises the steps：
Step one, early-stage preparations：
According to drawing and making standard and requirement establishment manufacture craft, scheme；Typesetting is carried out to each component, it is determined that rational sheet material
Order size；
Step 2, blanking：
Determine after blank size through numerical control multiple tracks gas flame cuttiug, using edge milling machines to the groove milling side of steel plate joint；
Step 3, shell rolling：
With special pressure head template pressure head, then the special frock is coordinated to carry out pipe crimping operation with crane；
Step 4, inner sleeve assembling：It includes pars infrasegmentalis assembling, the assembling of inner sleeve lower section upper portion, inner sleeve stage casing under inner sleeve
Assembling and inner sleeve epimere assemble four parts；Corrected per partially completed rear welding, then sandblasting paint rhumb line
Complete the making of inner sleeve；Including following process：
4.1st, pars infrasegmentalis assembling under inner sleeve：Inner barrel is fixed with shrouding spot welding first, and sets interim in inner barrel upper end
Fixture, circumferentially eight equal portions arrangement, four suspension centres is then set on outer cylinder body and is hung to four isometric steel wire ropes
Directly over inner barrel, then crowbar is coordinated to attach it to design height；
4.11st, weld：Cylinder outside stiffener and cylinder use intermittent weld, and consistent and uniform is answered at fusion length and interval, cylinder with
It is symmetrically welded using two people during seal plate welding, an outer welding simultaneously in；
4.2nd, inner sleeve lower section upper portion assembling：Monomer assembling is carried out to upper and lower flange seat respectively, two for assembling flange seat
Overlapping, insertion tubing string is simultaneously in place, then is lifted upper flange seat with driving, according to the center line and position line put well in advance to upper and lower
Flange seat is positioned, and is connected with temporary support；
4.2.1, weld：Cylinder is welded with flange seat, it is to avoid vertical position welding and overhead welding；
4.2.2, correct：After the completion of upper and lower flange base monomer erection welding, the flange face to flange seat carries out flame straightening, uses
Guiding ruler and steel ruler check its flatness, and control errors are in ± 2mm；Interim branch is set up between seven tubing strings of inner sleeve lower section upper portion
Support, after the completion of integral solder, coordinates chain block to adjust seven perpendicularity of tube bank with theodolite, and control errors are in ± 2mm；Together
When at upper flange seat center make the center of circle and adjust inner sleeve lower section upper portion structure entirety concentricity with plumb bob, control errors ±
2mm；
4.3rd, inner sleeve stage casing outer barrel assembling：With reference to the design feature in stage casing, outer barrel is divided into upper, middle and lower three and saves monomer assembly,
Making full use of cylinder to carry on the basis of support turn-takes, setting up interim flange in the end of every section cylinder and reinforced；
4.3.1, weld：Cylinder joint opens up internal groove, and after the completion of three section cylinder monomer assembly, inner barrel uses CO2Gas
Protection weldering welding；Gas shield welding bottoming, submerged-arc welding capping after cylinder exterior carbon plane back chipping；
4.4th, inner sleeve stage casing inner cylinder assembling：Due to the particularity of stage casing inner cylinder, inner cylinder is carried out into fissure of displacement dress according to baffle arrangement
Match somebody with somebody；
4.4. 1, welding：Interior cylinder uses CO2Gas shielded arc welding is welded；
4.5th, inner sleeve epimere assembling：Inner sleeve epimere structure type is as inner sleeve stage casing；
4.6th, air-tight test：Leakage inspection is carried out to all welding points and connecting portion with hairbrush, suds, it is desirable to keep
0.01Mpa pressure, the maximum pressure declined in 30 minutes is qualified less than 0.001MPa pressure；
4.7th, sandblasting paint：Inner sleeve for lime kiln uses hand cleaning, ought to be by standard GB/T 8923-88 at barrel outer surface
" steel surface rusting grade and derusting grade before application " is performed, and reaches St2 grades or more；Inner barrel forbids oil paint coating,
And impurity is not allow for including welding slag and crator, it is ensured that interior smooth；Coating uniform is should ensure that during barrel outer surface application, without bright
Aobvious elephant skin, stream pendant, pinprick and bubble；
4.8th, numbering packaging：On inner sleeve outer cylinder body axis markers are made according to drawing.
2. the preparation method of sleeve lime kiln inner sleeve according to claim 1, it is characterised in that：The step 2 includes
The following steps：
2.1st, blanking accurate dimension is determined, plate is wide and plate deviation long is ± 3mm, and diagonal deviation is 0-2mm；
2.2nd, using numerical control multiple tracks flame cutting machine blanking；
2.3rd, using edge milling machines by welding groove machine-shaping.
3. the preparation method of sleeve lime kiln inner sleeve according to claim 1, it is characterised in that：The step 3 includes
The following steps：
3.1st, pressure head：It is Q345B from material, t=25mm thick radian plate is used as special pressure head template；
3.2nd, shell rolling：Pipe crimping operation is carried out using the special frock of crane cooperation, by joint point solid welding after roll-forming
It is fixed.
4. the preparation method of sleeve lime kiln inner sleeve according to claim 1 and 2, it is characterised in that the step 2
Completed by Numerical control cutting including the manhole and centre bore on inner sleeve hypomere flange and shrouding；Flange and shrouding are welded in assembly
After the completion of cut to form 7 tube bank holes using semi-automatic numerical control cutting machine, assembled welding causes pitch-row deviation again to prevent first perforate
It is larger, so as to influence the assembling quality and efficiency of tube bank.
5. the preparation method of sleeve lime kiln inner sleeve according to claim 1, it is characterised in that in the step 4,
To improve efficiency of assembling, pars infrasegmentalis under inner sleeve is divided into after two parts complete respectively again overall assembling, before overall assembling
Assembly platform is carried out it is levelling, flatness control in ± 2mm；It is symmetrically welded using two people when cylinder is with seal plate welding, one in one
It is outer to weld simultaneously.
6. the preparation method of sleeve lime kiln inner sleeve according to claim 1, it is characterised in that in the step 4,
In order to ensure inner sleeve lower section upper portion structure entirety concentricity and 7 perpendicularity of tubing string, according to technological requirement, before welding
Temporary support is set up between 7 tubing strings, to reach the purpose of control welding deformation.
7. the preparation method of sleeve lime kiln inner sleeve according to claim 1, it is characterised in that in the step 4,
Three section cylinder integral assemblings, within cylinder joint faulting of slab ends control 2mm, ovality is controlled in ± 6mm.
8. the preparation method of sleeve lime kiln inner sleeve according to claim 1, it is characterised in that in the step 4,
Inner cylinder is divided into 7 parts according to baffle arrangement carries out fissure of displacement assembling, it is to avoid cross weld seam.
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| Application Number | Priority Date | Filing Date | Title |
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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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310264859.9A CN104249239B (en) | 2013-06-28 | 2013-06-28 | The preparation method of sleeve lime kiln inner sleeve |
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| CN104249239A CN104249239A (en) | 2014-12-31 |
| CN104249239B true CN104249239B (en) | 2017-06-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106698977B (en) * | 2015-11-17 | 2021-03-09 | 上海宝冶建设工业炉工程技术有限公司 | Manufacturing method of double-chamber lime kiln angle ring equipment |
| 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 |
| CN109894765B (en) * | 2019-03-29 | 2020-11-20 | 山西阳煤化工机械（集团）有限公司 | Manufacturing method of jacket container with inner groove as inner cylinder |
| 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 |
| CN114619205B (en) * | 2022-03-08 | 2022-12-16 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101381200B (en) * | 2007-09-04 | 2011-04-20 | 上海宝冶建设有限公司 | Tin pot base production method of float glass production line |
| CN102303956B (en) * | 2011-07-22 | 2013-01-30 | 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 |
| CN102627418B (en) * | 2012-04-26 | 2013-08-21 | 石家庄新华能源环保科技股份有限公司 | Compound lime kiln |
| CN102627417B (en) * | 2012-04-26 | 2013-09-18 | 石家庄新华能源环保科技股份有限公司 | Lime cooling equipment of sleeve kiln |
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