CN106141574A - The preparation method of stainless steel coil of nozzle plate of coke oven - Google Patents
The preparation method of stainless steel coil of nozzle plate of coke oven Download PDFInfo
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- CN106141574A CN106141574A CN201510207082.1A CN201510207082A CN106141574A CN 106141574 A CN106141574 A CN 106141574A CN 201510207082 A CN201510207082 A CN 201510207082A CN 106141574 A CN106141574 A CN 106141574A
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- stainless steel
- steel coil
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Abstract
A kind of preparation method of stainless steel coil of nozzle plate of coke oven, it is characterized in that comprising the following steps: a stainless steel coil is molded, b stainless steel coil spot-welded, realize that pad positions and fixing volume circle by cylindrical outer mold, drilling on c stainless steel coil, uses punching to be fixed and punching with interior mould.It is simple, easy to make that the preparation method of the nozzle plate of coke oven of the present invention has inside and outside mode structure, on the premise of cost-effective, provide steady quality, excellent stainless steel coil, just can be completed all to work by a riveter and welder, improve efficiency, decrease the labour intensity of workman and the advantage of reduction engineering cost.
Description
Technical field
The present invention relates to a kind of parts processing method, specifically, be the preparation method of a kind of stainless steel coil of nozzle plate of coke oven.
Background technology
7.63 meters of coke ovens are the state-of-the-art type of furnaces in the current world, its nozzle plate is that the sheet metal that 2mm is thick is made through bending flanging, entirely different with the nozzle plate form that the coke oven of early stage uses, belong to brand-new form of nozzle, it is mainly used in regulating the size of quirk, thus reach to control the purpose of coke oven temperature.Being provided with the elastic volume circle for regulating nozzle air current amount between the lower section of nozzle and two pieces of nozzle plates, this volume circle is formed by the thick superhigh strength stainless steel coiled sheet system of 0.15mm.
Logical roll of steel plate circle processing generally has three kinds of methods: i.e. forcing press compacting, bed rolls volume, plumber strikes system, however for this thickness be for the elastomeric superpower corrosion resistant plate of 0.15mm not applicable.
Therefore the processing of known stainless steel coil of nozzle plate of coke oven also exists above-mentioned all inconvenience and problem.
Content of the invention
The purpose of the present invention, is to propose a kind of preparation conveniently, efficiently and the preparation method of finished product stainless steel coil of nozzle plate of coke oven attractive in appearance.
For achieving the above object, the technical solution of the present invention is:
The preparation method of a kind of stainless steel coil of nozzle plate of coke oven, it is characterised in that comprise the following steps:
A, stainless steel coil shaping, comprise the following steps:
(1) cylindrical interior mould is made
The long 300mm of mould, diameter 71.5mm in cylindrical, cylindrical interior mould is round steel；
(2) cylindrical outer mold is made
The long 200mm of cylindrical outer mold, diameter 72-82mm, cylindrical outer mold is seamless steel pipe；
(3) stainless steel coil is forced fixed-type, comprises the following steps:
1) according to the corrosion resistant plate that the length of stainless steel coil and girth clip 0.15mm are thick；
2) the stainless steel coiled sheet sheared according to length and girth on mould, is made corrosion resistant plate just one-step forming with skin hammer percussion in cylinder；
3) cylindrical outer mold is enclosed within rolled up corrosion resistant plate cylindrical on mould, carrying out top pressure with hydraulic press makes cylindrical outer mold all pack in cylinder to make stainless steel coil in mould；
By cylindrical outer mold, b, stainless steel coil spot-welded, realize that pad positions and fixing volume circle, comprise the following steps:
(1) arranging some spot welding position holes in the cylindrical outer mold using in step a, then determining the some bond pad locations on stainless steel coil, slewing circle tubular external mold makes stainless steel coil bond pad locations lock after aligning with the spot welding position hole on slewing circle tubular external mold；
(2) four anti-rotation positioning holes are set in the slewing circle tubular external mold both sides with spot welding positioning Kong Chengjiu ten degree, lock positioning with common spring holder；
(3) stainless steel coil is turned to welding position together with interior outer mold, carry out spot-welded stainless steel coil with mash welder；
Drilling on c, stainless steel coil, uses punching to be fixed and punching with interior mould
The stainless steel coil finishing spot welding is enclosed within interior mould, is arranged on bar stamping machine and is punched out.
The preparation method of the stainless steel coil of nozzle plate of coke oven of the present invention can also be further achieved by the following technical measures.
Aforesaid method, wherein said step a(1) in, cylindrical interior mould outside dimension tolerance is ± 0.1mm.
Aforesaid method, wherein said step a(2) in, cylindrical outer mold diameter of bore dimensional tolerance is 0～-0.1mm.
Aforesaid method, in wherein said cylinder, mould preferably uses φ 75mm round steel to process.
Aforesaid method, wherein said cylindrical outer mold uses the seamless steel pipe processing of φ 83*8mm.
After using technique scheme, the preparation method of the nozzle plate of coke oven of the present invention has the advantage that
1st, inside and outside mode structure is simple, easy to make；
2nd, on the premise of cost-effective, steady quality, excellent stainless steel coil are provided；
3rd, just can be completed all to work by a riveter and welder, improve efficiency, decrease the labour intensity of workman, reduce engineering cost.
Brief description
Fig. 1 is the stainless steel coil of nozzle plate of coke oven structural representation of the embodiment of the present invention；
Fig. 2 is the A-A sectional view in Fig. 1；
Fig. 3 is the internal model structure schematic diagram that the present invention executes example；
Fig. 4 is the right view of Fig. 3；
Fig. 5 is the cast outer mold structure schematic diagram that the present invention executes example；
Fig. 6 is the side view of Fig. 5；
Fig. 7 is that the present invention executes the stainless steel coil of example and suppresses schematic diagram between interior external mold；
Fig. 8 be the present invention execute example spot welding position hole schematic diagram is set on external mold；
Fig. 9 be the present invention execute example spot welding position positioning hole schematic diagram is set on external mold；
Figure 10 is that the present invention executes the stainless steel coil of example punching schematic diagram in bar perforating press.
In figure: 1 stainless steel coil, 2 bolts, model fixing seat in 3, model fixing seat bolt in 4,5 cylindrical interior moulds, the endoporus of 6 cylindrical interior moulds, 7 cylindrical outer mold, 8 cylindrical outer mold spot welding positioning holes, 9 anti-rotation positioning holes, 10 punching endoporus, 11 drifts, 12 bar perforating press.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
The preparation method of the stainless steel coil of nozzle plate of coke oven of the present invention, it is characterised in that comprise the following steps:
A, stainless steel coil shaping, comprise the following steps:
Referring now to Fig. 1-2, Fig. 1 is stainless steel coil of nozzle plate of coke oven 1 structural representation of the embodiment of the present invention, and Fig. 2 is the A-A sectional view in Fig. 1.
(1) cylindrical interior mould is made
Fig. 3 is the internal model structure schematic diagram that the present invention executes example, and Fig. 4 is the right view of Fig. 3.
Making mould 5 in a cylinder, the cylindrical interior long 300mm of mould, diameter 71.5mm, cylindrical interior mould is round steel；Interior mould outside dimension tolerance arrival ± 0.1mm, endoporus 6 diameter of interior mould is determined by the fixing device of the mash welder selected.In described cylinder, mould preferably uses φ 75mm round steel to process.
(2) cylindrical outer mold is made
Fig. 5 is the cast outer mold structure schematic diagram that the present invention executes example, and Fig. 6 is the side view of Fig. 5.
Making a cylindrical outer mold 7, the long 200mm of cylindrical outer mold, diameter 73mm, cylindrical outer mold is seamless steel pipe；External mold diameter of bore size tolerance requirements reaches 0～-0.1mm.Described cylindrical outer mold uses the seamless steel pipe processing of φ 83*8mm.
(3) stainless steel coil is forced fixed-type, comprises the following steps:
Fig. 7 is that the present invention executes the stainless steel coil of example and suppresses schematic diagram between interior external mold.
1) according to the corrosion resistant plate that the length of stainless steel coil and girth clip 0.15mm are thick；
2) the 0.15mm stainless steel coiled sheet sheared according to length and girth on mould, is made corrosion resistant plate just one-step forming with skin hammer percussion in cylinder；
3) cylindrical outer mold is enclosed within rolled up corrosion resistant plate cylindrical on mould, carrying out top pressure by hydraulic press (not shown) makes cylindrical outer mold all pack in cylinder to make stainless steel coil in mould.By stainless steel coil diameter control within design requires, and circle turnover can be rolled up owing to the gap between interior external mold is only 0.3～0.6mm flexibly and easily.
By cylindrical outer mold, b, stainless steel coil spot-welded, realize that pad positions and fixing volume circle, comprise the following steps:
Fig. 8 be the present invention execute example spot welding position hole schematic diagram is set on external mold, Fig. 9 be the present invention execute example spot welding position positioning hole schematic diagram is set on external mold.Using conventional welding method such as manual electric arc welding, CO2 gas shielded arc welding, argon arc welding etc. inapplicable for this ultra-thin corrosion resistant plate, electric current is slightly larger will be punctured, yielding, and outward appearance is molded and cannot ensure.Through test of many times, final decision uses spot-welding technology, realizes that pad positions and fixing volume circle by mould.
(1) arranging some spot welding position holes 8 in the cylindrical outer mold using in step a, then determining the some bond pad locations on stainless steel coil, slewing circle tubular external mold makes stainless steel coil bond pad locations lock after aligning with the spot welding position hole on slewing circle tubular external mold；
(2) four anti-rotation positioning holes 9 are set in the slewing circle tubular external mold both sides with spot welding positioning Kong Chengjiu ten degree, lock positioning by common spring holder (not shown)；
(3) stainless steel coil 1 is turned to welding position together with interior outer mold, carry out spot-welded stainless steel coil by mash welder (not shown)；
Drilling on c, stainless steel coil, uses punching to be fixed and punching with interior mould
Figure 10 is that the present invention executes the stainless steel coil of example punching schematic diagram in bar perforating press.Owing to volume circle itself is very thin, and strength high toughness is big, only uses the method drilling of punching.How are punching position and punching quality, are not only related to the total quality of nozzle, also certainly will have influence on the installation of nozzle.Use for reference the positioning thinking in welding procedure, be also adopted by custom mold and be fixed and punching.
The stainless steel coil finishing spot welding is enclosed within interior mould, is arranged on bar stamping machine 12 and is punched out, completes the making of stainless steel coil of nozzle plate of coke oven.
The present invention has substantive distinguishing features and significant technological progress, and the preparation method of the stainless steel coil of nozzle plate of coke oven of the present invention is convenient economy, and mould can just be cut by general steel, be machined into.Mash welder, bar stamping machine are also general device conventional on market.On the premise of cost-effective, provide and stablize excellent quality, just can be completed all to work by a riveter and welder, improve efficiency, decrease the labour intensity of workman.
Above example is used for illustrative purposes only, rather than limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, various conversion or change can also be made.Therefore, all equivalent technical schemes also should belong to scope of the invention, should be limited by each claim.
Claims (5)
1. the preparation method of a stainless steel coil of nozzle plate of coke oven, it is characterised in that comprise the following steps:
A, stainless steel coil shaping, comprise the following steps:
(1) cylindrical interior mould is made
The long 300mm of mould, diameter 71.5mm in cylindrical, cylindrical interior mould is round steel；
(2) cylindrical outer mold is made
The long 200mm of cylindrical outer mold, diameter 72-82mm, cylindrical outer mold is seamless steel pipe；
(3) stainless steel coil is forced fixed-type, comprises the following steps:
1) according to the corrosion resistant plate that the length of stainless steel coil and girth clip 0.15mm are thick；
2) the stainless steel coiled sheet sheared according to length and girth on mould, is made corrosion resistant plate just one-step forming with skin hammer percussion in cylinder；
3) cylindrical outer mold is enclosed within rolled up corrosion resistant plate cylindrical on mould, carrying out top pressure with hydraulic press makes cylindrical outer mold all pack in cylinder to make stainless steel coil in mould；
By cylindrical outer mold, b, stainless steel coil spot-welded, realize that pad positions and fixing volume circle, comprise the following steps:
(1) arranging some spot welding position holes in the cylindrical outer mold using in step a, then determining the some bond pad locations on stainless steel coil, slewing circle tubular external mold makes stainless steel coil bond pad locations lock after aligning with the spot welding position hole on slewing circle tubular external mold；
(2) four anti-rotation positioning holes are set in the slewing circle tubular external mold both sides with spot welding positioning Kong Chengjiu ten degree, lock positioning with common spring holder；
(3) stainless steel coil is turned to welding position together with interior outer mold, carry out spot-welded stainless steel coil with mash welder；
Drilling on c, stainless steel coil, uses punching to be fixed and punching with interior mould
The stainless steel coil finishing spot welding is enclosed within interior mould, is arranged on bar stamping machine and is punched out.
2. the preparation method of stainless steel coil of nozzle plate of coke oven as claimed in claim 1, it is characterised in that described step a(1) in, cylindrical interior mould outside dimension tolerance is ± 0.1mm.
3. the preparation method of stainless steel coil of nozzle plate of coke oven as claimed in claim 1, it is characterised in that described step a(2) in, cylindrical outer mold diameter of bore dimensional tolerance is 0～-0.1mm.
4. the preparation method of stainless steel coil of nozzle plate of coke oven as claimed in claim 1, it is characterised in that in described cylinder, mould preferably uses φ 75mm round steel to process.
5. the preparation method of stainless steel coil of nozzle plate of coke oven as claimed in claim 1, it is characterised in that described cylindrical outer mold uses the seamless steel pipe processing of φ 83*8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510207082.1A CN106141574A (en) | 2015-04-28 | 2015-04-28 | The preparation method of stainless steel coil of nozzle plate of coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510207082.1A CN106141574A (en) | 2015-04-28 | 2015-04-28 | The preparation method of stainless steel coil of nozzle plate of coke oven |
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| Publication Number | Publication Date |
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| CN106141574A true CN106141574A (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510207082.1A Pending CN106141574A (en) | 2015-04-28 | 2015-04-28 | The preparation method of stainless steel coil of nozzle plate of coke oven |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1072725A2 (en) * | 1999-07-28 | 2001-01-31 | Advanced Materials Corporation | Covered roll e.g. for calendering and method and apparatus for applying the cover |
| CN101758365A (en) * | 2008-11-28 | 2010-06-30 | 中冶成工上海五冶建设有限公司 | Method for manufacturing stainless steel coil of nozzle plate of coke oven |
| CN102699205A (en) * | 2012-06-11 | 2012-10-03 | 安徽祥宇钢业集团有限公司 | Fixed outer diameter combined die for welded steel tubes |
| CN103203575A (en) * | 2012-01-16 | 2013-07-17 | 昆山允升吉光电科技有限公司 | Device and method for allowing maskplate to cling to maskplate framework |
| CN103512357A (en) * | 2012-06-20 | 2014-01-15 | 五冶集团上海有限公司 | Method for positioning burner offline pouring mould of annular furnace |
-
2015
- 2015-04-28 CN CN201510207082.1A patent/CN106141574A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1072725A2 (en) * | 1999-07-28 | 2001-01-31 | Advanced Materials Corporation | Covered roll e.g. for calendering and method and apparatus for applying the cover |
| CN101758365A (en) * | 2008-11-28 | 2010-06-30 | 中冶成工上海五冶建设有限公司 | Method for manufacturing stainless steel coil of nozzle plate of coke oven |
| CN103203575A (en) * | 2012-01-16 | 2013-07-17 | 昆山允升吉光电科技有限公司 | Device and method for allowing maskplate to cling to maskplate framework |
| CN102699205A (en) * | 2012-06-11 | 2012-10-03 | 安徽祥宇钢业集团有限公司 | Fixed outer diameter combined die for welded steel tubes |
| CN103512357A (en) * | 2012-06-20 | 2014-01-15 | 五冶集团上海有限公司 | Method for positioning burner offline pouring mould of annular furnace |
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Application publication date: 20161123 |
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