CN102501067A - Method for splicing and installing coke dry quenching furnace shells - Google Patents
Method for splicing and installing coke dry quenching furnace shells Download PDFInfo
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- CN102501067A CN102501067A CN2011103495568A CN201110349556A CN102501067A CN 102501067 A CN102501067 A CN 102501067A CN 2011103495568 A CN2011103495568 A CN 2011103495568A CN 201110349556 A CN201110349556 A CN 201110349556A CN 102501067 A CN102501067 A CN 102501067A
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- furnace shell
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- coke quenching
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Abstract
The invention relates to a method for splicing and installing coke dry quenching furnace shells. According to a method, the roundness of the coke dry quenching furnace shells is adjusted and detected by a roundness adjustment clamping fixture which comprises a clamping fixture central base, a first addition joint, a first connecting piece, a second addition joint, a second connecting piece and a flexible regulating head. The method comprises the following steps of: splicing the coke dry quenching furnace shells, installing circles of sections of the coke dry quenching furnace shells, and adjusting the roundness of the circles. By the method, the problems of deviation of the center of the shell and difficulty in control of a radius in the conventional construction process are solved, and the invention has the advantages that: the method is convenient to construct and low in cost, improves installation quality and the like.
Description
Technical field
The present invention relates to a kind of method of utilizing special-purpose mold to carry out assembly unit of dry coke quenching furnace shell and installation.
Background technology
In the dry coke quenching furnace shell was made, because the diameter of dry coke quenching furnace shell is about 10m, the steel plate thickness of employing was generally 6mm～14mm, and in the assembly unit and installation process of dry coke quenching furnace shell, the roundness of dry coke quenching furnace shell and central vertical are very difficult to be controlled.
Just be based on above-mentioned situation, proposition patent application of the present invention.
Summary of the invention
Technical problem to be solved by this invention is: to the problems referred to above, and the method that the object of the present invention is to provide a kind of dry coke quenching furnace shell to make and install, this method is practical, can improve the quality of the making and the installation of dry coke quenching furnace shell.
The present invention solves the problems of the technologies described above the technical scheme of taking: adopt a main roundness adjustment mold of being made up of mold centre mount, the first increase joint, first connector, the second increase joint, second connector and telescopic adjustment head, enforcement is to the adjustment of the roundness of dry coke quenching furnace shell and the method for detection.The step of this method comprises:
First step assembly unit dry coke quenching furnace shell:
On the making platform, put appearance well by the furnace shell external diameter, the dry coke quenching furnace shell that rolls into the arcuation tile is fixed by the platform camber line, group adds good support up and down to becoming ring shape, prevents to be out of shape; On supporting, set up hanger, carried out derusting by sandblasting and anticorrosion then;
Second step was installed first section first lap of dry coke quenching furnace shell:
On the basis, emit earlier orientation axis, first section flange in the bottom of dry coke quenching furnace shell sling and placed the top, basis, tighten set bolt after locating by designed elevation and orientation axis; First section first lap of furnace shell sling again, placed the flange in the bottom top, make its 0 ° of direction overlap the location, back with flange in the bottom, its end opening and flange in the bottom are fixed, spot welding is fixed;
The roundness of the whole first section first lap of dry coke quenching furnace shell of the 3rd step:
Roundness is adjusted mold hang in first section first lap of furnace shell, place in first section first lap of furnace shell suitable for reading, with spanner adjustment telescopic adjustment head, and measure its radius and centre deviation simultaneously, until meeting the roundness requirement;
The 4th step was installed first section second circle of dry coke quenching furnace shell:
First section second circle of dry coke quenching furnace shell sling; Place the top of first section first lap of furnace shell; The back spot welding that coincides of 0 ° of direction of its 0 ° of direction and first lap is fixed; Again 180 ° of direction tack-welds are fixed, fixed by 90 °, 270 °, 45 °, 225 °, 135 °, 315 ° direction spot welding successively then;
The roundness of first section second circle of the whole dry coke quenching furnace shell of the 5th step:
The interior support of second circle is cut off, and the suitable for reading interior place of the adjustment of the roundness in first lap mold being unclamped, winching to second circle adjusts the telescopic adjustment head with spanner, and measures its radius and centre deviation simultaneously, until meeting the roundness requirement;
Remaining dry coke quenching furnace shell repeats the method circulation in the 4th step and the 5th step to carry out, until the installation of accomplishing the dry coke quenching furnace shell.
In the above-mentioned first step, can carry out through brush base coat and one side paint anticorrosion, and note staying all position while weldings can not mopping.
In the above-mentioned first step, said making platform is made up of H shaped steel, channel-section steel and steel plate, and wherein a plurality of H shaped steel are connected by channel-section steel, and steel plate is laid on H shaped steel surface.
Described making platform decides the size of area by the size of maximum furnace shell; H shaped steel with 400 * 200 * 8 * 12 is layed on the smooth ground by spacing 1500mm; With level meter that its behaviour is flat; Reach the requirement of flatness ± 2mm, ［ 200 * 75 * 9 channel-section steel connects usefulness between a plurality of H shaped steel, lays the steel plate of 10mm * 1500mm * 12000mm then in the above; The center line and the jib for tower crane of this making platform coincide.
In above-mentioned second step, can on flange in the bottom, make 1 reticule by per 45 °, correspondingly mark 0 ° of direction.
In above-mentioned the 3rd step, can roundness be adjusted the suitable for reading interior 100mm place that mold hangs in first section first lap of furnace shell.
In above-mentioned the 5th step, can the adjustment of the roundness in first section first lap of the dry coke quenching furnace shell after unclamping mold be winched to the suitable for reading interior 100mm place of first section second circle of dry coke quenching furnace shell.
The invention has the beneficial effects as follows:
1. improved installation quality: when mounted; Adjust the roundness (being radius) and the central vertical degree of dry coke quenching housing through roundness adjustment mold; Reach code requirement; The installation quality of furnace shell is greatly improved, thus successful solution the middle shell centre deviation of in the past constructing, the unmanageable problem of radius.
2. easy construction: roundness adjustment mold adopts bolt to connect, and is convenient to dismounting, increases joint through interpolation and reaches the radius that the present invention is suitable for connector.
3. cost is low: roundness adjustment mold adopts seamless steel pipe and four hole flange productions, through the change to local member length, is applicable to multiple radius, the defective of having avoided the whole timber material to adjust.
Description of drawings
Fig. 1 is the structural representation of roundness adjustment mold of the present invention.
Fig. 2 is a dry coke quenching furnace shell platform for lining sketch map.
Fig. 3 is the structural representation of mold centre mount 1 among Fig. 1.
Fig. 4 is first connector among Fig. 1, the second connector installation diagram.
Fig. 5 is the structural representation of the first increase joint among Fig. 1.
Fig. 6 is the link view of telescopic adjustment header structure sketch map among Fig. 1.
Fig. 7 is the adjustable side view of telescopic adjustment header structure sketch map among Fig. 1.
Fig. 8 is the structural representation of second connector 5 among Fig. 1.
Fig. 9 is the structural representation of first connector 3 among Fig. 1.
Among the figure: 1. mold centre mount; 2. first increases joint; 3. first connector; 4. second increases joint; 5. second connector; 6. telescopic adjustment head; 7. centre mount disk; 8. branched pipe; 9. branch's base; 10. increase the joint seat; 11. increase the joint arm; 12. branch's base; 13. the first connector seat; 14. the first connector pipe; 15. the second connector seat; 16. the second connector pipe; 17. telescopic adjustment headstock; 18. telescopic adjustment headgear pipe; 19. plug; 20. adjusting rod; 21. dry coke quenching furnace shell; 22. H shaped steel; 23. channel-section steel; 24. steel plate.
The specific embodiment
The technical scheme that the present invention takes is: make a kind of can be according to the roundness of furnace shell diameter independent assortment adjustment mold, in furnace shell assembly unit and installation process, through the radius length of adjustment mold, enforcement is to the adjustment and the detection of the roundness of furnace shell.
In order to understand the present invention better, technical scheme of the present invention is done further explanation below in conjunction with embodiment and accompanying drawing.
The method that dry coke quenching furnace shell provided by the invention is made and installed is to adopt one mainly to increase joint 2, first connector 3, second by mold centre mount 1, first and increase the roundness that joint 4, second connector 5 and telescopic adjustment 6 form and adjust mold; Enforcement is to the method for the adjustment and the detection of the roundness of furnace shell; Referring to Fig. 1 to Fig. 8; In instance, with the assembly unit of dry coke quenching furnace shell be installed as example, this method is:
First step assembly unit dry coke quenching furnace shell 21: on the making platform, put appearance well by furnace shell external diameter+10mm, with the dry coke quenching furnace shell that rolls into the arcuation tile, fix by the platform camber line, group adds good support up and down to becoming ring shape, prevents to be out of shape.On supporting, set up hanger, and, can carry out derusting by sandblasting and anticorrosion through after checking that appearance and size meets the requirements.Noting staying all position while weldings when anticorrosion can not mopping.Lifting work can be carried out after simultaneously painting and doing in two ends of brush.
Said making platform is made up of H shaped steel 22, channel-section steel 23 and steel plate 24, and wherein a plurality of H shaped steel 22 are connected by channel-section steel 23, and steel plate 24 is laid on H shaped steel 22 surfaces.
The making platform decides the size of area by the size of maximum furnace shell; H shaped steel with H400 * 200 * 8 * 12 is layed on the smooth ground by spacing 1500mm; With level meter that its behaviour is flat; Reach the requirement of flatness ± 2mm, ［ 200 * 75 * 9 channel-section steel 23 connects usefulness between a plurality of H shaped steel 22, lays the steel plate 24 of 10mm * 1500mm * 12000mm then in the above.Its center line and jib for tower crane coincide and are the best.
Second step was installed first section first lap of dry coke quenching furnace shell: on the basis, emit orientation axis earlier, first section flange in the bottom of furnace shell sling, be placed on the top, basis, by tightening set bolt behind designed elevation and the orientation axis location.On flange in the bottom, make 1 reticule, correspondingly mark 0 ° of direction by per 45 °.First section first lap of furnace shell sling again, placed the flange in the bottom top, make its 0 ° of direction overlap the location, back with flange in the bottom, its end opening and flange in the bottom are fixed, spot welding is fixed.
First section first lap of said dry coke quenching furnace shell is nethermost one section of furnace shell.When making, decide its height segmentation according to the width of the derrick crane elevating capacity of being selected for use, steel plate width, veneer reeling machine.In the primary reformer shell, need to divide a few segment furnace shells to install.
The roundness of the whole first section first lap of dry coke quenching furnace shell of the 3rd step: roundness is adjusted mold hang in first section first lap of furnace shell; Place interior 100mm place suitable for reading; With spanner adjustment telescopic adjustment 6; And measure its radius and centre deviation simultaneously, wait to meet first section second installation of enclosing can carrying out the dry coke quenching furnace shell behind design and the code requirement.
The 4th step was installed first section second circle of dry coke quenching furnace shell: first section second circle of dry coke quenching furnace shell sling; Place the top of first lap; The back spot welding that coincides of 0 ° of direction of its 0 ° of direction and first lap is fixed; With 180 ° of direction positioning and fixing, fix 90 °, 270 °, 45 °, 225 °, 135 °, 315 ° directions then successively again.
The roundness of first section second circle of the whole dry coke quenching furnace shell of the 5th step: the support in second circle is cut off; Roundness in first lap adjustment mold is unclamped, winches in second circle suitable for reading about 100mm place adjust telescopic adjustment 6 with spanner; And measure its radius and centre deviation simultaneously, until meeting design and code requirement.
Remaining furnace shell repeats the method circulation in the 4th step and the 5th step to carry out, and installs until the furnace shell of accomplishing dry coke quenching.
The structure of the roundness adjustment mold that the present invention uses is as shown in Figure 1, is made up of mold centre mount 1, many spokes that link to each other with mold centre mount 1, a plurality of annular elements that spoke is continuous.
Present embodiment is provided with 8 spokes and 2 annular elements (Fig. 1), and its quantity can change according to actual conditions.
The structure of every spoke is as shown in Figure 1: from inside to outside, every spoke first is increased joint 2, second and increases joint 4 and telescopic adjustment 6 and form by what connect successively.First of all spokes increase joint 2 and all link to each other with the mold centre mount 1 of circle, and the outer end of the telescopic adjustment of all spokes 6 is in the circular trace.Through regulating telescopic adjustment 6, this circular trace is progressively coincide with the interior circle of dry coke quenching furnace shell 21.
The structure of 2 annular elements is as shown in Figure 1, and wherein: one is the interior annular element that the first adjacent increase joint 2 is formed by connecting through first connector 3, and one is the outer annular member that the second adjacent increase joint 4 is formed by connecting through second connector 5.Interior annular element and outer annular member work to reinforce spoke.
Said mold centre mount 1 is as shown in Figure 3, is made up of centre mount disk 7, branched pipe 8 and branch's base 9.Branched pipe 8 has eight, adopts seamless steel pipe to make, and is evenly distributed on the centre mount disk 7, and every branched pipe termination is equipped with branch's base 9, so that be connected with the first increase joint 2; Branch's base 9 is four hole flanges.
The first increase joint 2 is as shown in Figure 5, forms by increasing joint seat 10, increase joint arm 11 and branch's base 12.Increase joint arm 11 and adopt seamless steel pipe to make, a wherein end of steel pipe, apart from two branch's bases 12 that length is 150mm of welding between the 300mm～500mm of termination, angle is 112.5 °, forms " Y " font structure, so that connect first connector 3; Increase the pipe end of joint arm 11 and branch's base 12, all being welded with increases joint seat 10; Increasing joint seat 10 is four hole flanges.
It is identical that the first increase joint 2 and second increases joint 4 structures, and quantity is 8.
The technical parameter of above-mentioned parts and material also can change according to actual conditions.
Roundness adjustment mold provided by the invention, it uses when cylindrical shape and conical furnace shell assembly unit and installation.
During use,, select suitable increase joint and connector, roundness is adjusted mold assemble according to the diameter of furnace shell.Adjusting rod 20 is screwed in the telescopic adjustment headgear pipe 18.Roundness is adjusted mold hang in the furnace shell, install smooth.Again with roundness adjust mold be placed in furnace shell suitable for reading in 100mm place, with spanner adjustment adjusting rod 20, and measure its radius and centre deviation simultaneously, wait to meet next that can carry out furnace shell behind design and the code requirement and enclose installation.
Effect: in the construction of dry coke quenching furnace shell, the method that adopts dry coke quenching furnace shell of the present invention to make and install has improved the furnace shell installation quality, has reduced construction cost, explains that the effect of the inventive method is remarkable.
More than explanation is merely application implementation example of the present invention, can not limit the present invention's interest field certainly with this, therefore changes according to the equivalence that claim of the present invention is done, and still belongs to protection scope of the present invention.
Claims (7)
1. the method for dry coke quenching furnace shell assembly unit and installation; It is characterized in that adopting one mainly to increase the roundness adjustment mold that joint, first connector, the second increase joint, second connector and telescopic adjustment head are formed by mold centre mount, first; Enforcement is to the method for the adjustment and the detection of the roundness of dry coke quenching furnace shell, and the step of this method comprises:
First step assembly unit dry coke quenching furnace shell:
On the making platform, put appearance well by the furnace shell external diameter, the dry coke quenching furnace shell that rolls into the arcuation tile is fixed by the platform camber line, group adds good support up and down to becoming ring shape, prevents to be out of shape; On supporting, set up hanger, carried out derusting by sandblasting and anticorrosion then;
Second step was installed first section first lap of dry coke quenching furnace shell:
On the basis, emit earlier orientation axis, first section flange in the bottom of dry coke quenching furnace shell sling and placed the top, basis, tighten set bolt after locating by designed elevation and orientation axis; First section first lap of furnace shell sling again, placed the flange in the bottom top, make its 0 ° of direction overlap the location, back with flange in the bottom, its end opening and flange in the bottom are fixed, spot welding is fixed;
The roundness of the whole first section first lap of dry coke quenching furnace shell of the 3rd step:
Roundness is adjusted mold hang in first section first lap of furnace shell, place in first section first lap of furnace shell suitable for reading, with spanner adjustment telescopic adjustment head, and measure its radius and centre deviation simultaneously, until meeting the roundness requirement;
The 4th step was installed first section second circle of dry coke quenching furnace shell:
First section second circle of dry coke quenching furnace shell sling; Place the top of first section first lap of furnace shell; The back spot welding that coincides of 0 ° of direction of its 0 ° of direction and first lap is fixed; Again 180 ° of direction tack-welds are fixed, fixed by 90 °, 270 °, 45 °, 225 °, 135 °, 315 ° direction spot welding successively then;
The roundness of first section second circle of the whole dry coke quenching furnace shell of the 5th step:
The interior support of second circle is cut off, and the suitable for reading interior place of the adjustment of the roundness in first lap mold being unclamped, winching to second circle adjusts the telescopic adjustment head with spanner, and measures its radius and centre deviation simultaneously, until meeting the roundness requirement;
The installation of each circle of remaining each section of dry coke quenching furnace shell and the adjustment of roundness thereof are undertaken by the method circulation in the 4th step and the 5th step, until the installation of accomplishing the dry coke quenching furnace shell.
2. the method for dry coke quenching furnace shell according to claim 1 assembly unit and installation is characterized in that in the first step, carry out through brush base coat and one side paint anticorrosion, and note staying all position while weldings can not mopping.
3. the method for dry coke quenching furnace shell according to claim 1 assembly unit and installation is characterized in that in the first step, and said making platform is made up of H shaped steel, channel-section steel and steel plate, and wherein a plurality of H shaped steel are connected by channel-section steel, and steel plate is laid on H shaped steel surface.
4. the method for dry coke quenching furnace shell according to claim 2 assembly unit and installation; It is characterized in that making platform decides area by the size of maximum furnace shell size; H shaped steel with 400 * 200 * 8 * 12 is layed on the smooth ground by spacing 1500mm, and is with level meter that its behaviour is flat, reaches the requirement of flatness ± 2mm; ［ 200 * 75 * 9 channel-section steel connects usefulness between a plurality of H shaped steel, lays the steel plate of 10mm * 1500mm * 12000mm then in the above; The center line and the jib for tower crane of this making platform coincide.
5. the method for dry coke quenching furnace shell according to claim 1 assembly unit and installation is characterized in that on flange in the bottom, making 1 reticule by per 45 ° in second step, correspondingly marks 0 ° of direction.
6. the method for dry coke quenching furnace shell according to claim 1 assembly unit and installation is characterized in that in the 3rd step, and roundness is adjusted the suitable for reading interior 100mm place that mold hangs in first section first lap of dry coke quenching furnace shell.
7. the method for dry coke quenching furnace shell according to claim 1 assembly unit and installation is characterized in that in the 5th step that the roundness adjustment mold in first section first lap of the dry coke quenching furnace shell after will unclamping winches to the suitable for reading interior 100mm place of first section second circle of dry coke quenching furnace shell.
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| CN2011103495568A CN102501067A (en) | 2011-11-07 | 2011-11-07 | Method for splicing and installing coke dry quenching furnace shells |
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| CN2011103495568A CN102501067A (en) | 2011-11-07 | 2011-11-07 | Method for splicing and installing coke dry quenching furnace shells |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105127606A (en) * | 2015-09-24 | 2015-12-09 | 中国一冶集团有限公司 | Tuyere flange mounting method |
| CN103801921B (en) * | 2012-11-14 | 2016-06-01 | 五冶集团上海有限公司 | Vertical sleeve kiln kiln shell installation method |
| CN106938390A (en) * | 2016-01-05 | 2017-07-11 | 五冶集团上海有限公司 | Dry coke quenching burnt tank carrier loader installation method in bulk |
| CN111826490A (en) * | 2020-07-24 | 2020-10-27 | 中国十七冶集团有限公司 | Device and method for measuring and adjusting roundness of furnace shell wall of hot blast furnace |
| CN113494188A (en) * | 2021-06-30 | 2021-10-12 | 上海宝冶集团有限公司 | Sectional pre-assembly construction method for cylindrical sectional heating furnace |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103801921B (en) * | 2012-11-14 | 2016-06-01 | 五冶集团上海有限公司 | Vertical sleeve kiln kiln shell installation method |
| CN105127606A (en) * | 2015-09-24 | 2015-12-09 | 中国一冶集团有限公司 | Tuyere flange mounting method |
| CN106938390A (en) * | 2016-01-05 | 2017-07-11 | 五冶集团上海有限公司 | Dry coke quenching burnt tank carrier loader installation method in bulk |
| CN111826490A (en) * | 2020-07-24 | 2020-10-27 | 中国十七冶集团有限公司 | Device and method for measuring and adjusting roundness of furnace shell wall of hot blast furnace |
| CN111826490B (en) * | 2020-07-24 | 2022-02-25 | 中国十七冶集团有限公司 | Device and method for measuring and adjusting roundness of furnace shell wall of hot blast furnace |
| CN113494188A (en) * | 2021-06-30 | 2021-10-12 | 上海宝冶集团有限公司 | Sectional pre-assembly construction method for cylindrical sectional heating furnace |
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Application publication date: 20120620 |