CN103785810A - Method for quickly changing different pouring cross sections for continuous casting - Google Patents
Method for quickly changing different pouring cross sections for continuous casting Download PDFInfo
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- CN103785810A CN103785810A CN201410004350.5A CN201410004350A CN103785810A CN 103785810 A CN103785810 A CN 103785810A CN 201410004350 A CN201410004350 A CN 201410004350A CN 103785810 A CN103785810 A CN 103785810A
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Abstract
The invention discloses a method for quickly changing different pouring cross sections for continuous casting. The method includes steps of firstly, debugging standby equipment in an offline manner; secondly, shifting the standby equipment to a storage position; thirdly, lifting away online service equipment; fourthly, cleaning accumulated slag; fifthly, hoisting the standby equipment; sixthly, performing integral arc alignment and hoisting cover plates. The method for quickly changing the different pouring cross sections for continuous casting has the advantages that the average different pouring cross section changing maintenance time is shortened to 150 minutes from the original 240 minutes, procedures are smooth, safe and effective, and the operability of a continuous casting machine can be effectively improved.
Description
Technical field
The present invention relates to continuous pouring field, specifically, the present invention relates to the method for the different cast of a kind of continuous casting quick-replaceable section.
Background technology
Along with the development of continuous casting technology, the efficiency that how to improve casting machine has become vast steel production enterprise question of common concern.The factor that affects caster work rate is a lot, wherein in continuous casting production process, need to change cast section by changing crystallizer, but the length of downtime is one of important influence factor while changing different cast section.Current most steel production enterprise is changed different cast sections and is generally reached 240 minutes average time, larger on improving caster work rate and reducing the impacts such as energy medium consumption.
At present in the time that continuous casting is changed different cast section, most steel production enterprise generally adopt two cold one section of equipment strict corresponding with casting blank specification, different cast sections share the mode of two cold two sections of equipment, and only need integral replacing spray thrower, and to crystallizer and two cold one section, two cold one section with two cold two sections of online entirety to arc, wherein under two cold house's rugged environments, how to carry out quick and precisely arc also being become to iron and steel enterprise's urgent problem.
Summary of the invention
The object of the invention is the long problem of replacing time existing while changing different cast section for above continuous casting and the method for the different cast of a kind of continuous casting quick-replaceable section designing.
For achieving the above object, the present invention by the following technical programs:
The method that the invention discloses the different cast of a kind of continuous casting quick-replaceable section, the method comprises following six steps: the first step: off-line is debugged stand-by equipment; Second step: shift stand-by equipment to storeroom; The 3rd step: hang online use equipment; The 4th step: cleaning accumulated slag; The 5th step: lift stand-by equipment; The 6th step: entirety is to arc and lifting cover plate.
Specific as follows:
1) off-line is debugged stand-by equipment
Stand-by crystallizer and two cold one section of equipment off-line are installed and carried out segmentation and overall complete to arc debugging, and complete to two cold two sections of stand-by each monoblock type spray throwers debugging.
2) shift stand-by equipment to storeroom
To debug complete stand-by crystallizer and two cold one section of equipment hoisting to teeming stage equipment support; Two cold two sections of stand-by each monoblock type spray throwers are lifted to two cold platform spare part storerooms.
3) hang online use equipment
After cast finishes by crystallizer cover plate and need crystallizer and the two cold one section of equipment changed to hang successively cast position.
4) cleaning accumulated slag
Rinse and clear up two cold house's accumulated slags with giant.
5) lift stand-by equipment
Lift stand-by equipment, stand-by two cold one section of equipment, crystallizer are lifted successively to cast position and installed, and change two cold two sections of stand-by each monoblock type spray throwers.
6) entirety is to arc and lifting cover plate
Crystallizer and two cold one section of equipment, two cold one section of equipment and two cold two sections of equipment are used arc model is carried out to online entirety to arc and lifting crystallizer cover plate.Wherein, crystallizer and two cold one section of equipment on-line entirety internally, when outer arc, interior outer arc is put into crystallizer to arc model, upper end sticks in model with crowbar, make interior outer arc be close to respectively the inside and outside arc of the copper pipe of crystallizer to arc model, at interior outer arc, arc model one side is strafed with glare light electric torch, opposite side is looked into and is seen if there is light and see through to judge that copper pipe, sufficient roller and the inside and outside arc roller of two cold one section of front equipment end are whether on a camber line, take two cold one section as benchmark, adjust bolt by crystallizer and carry out arc.Crystallizer and two cold one section of equipment on-line entirety are during to both sides arc, side arc is put into crystallizer to arc model, upper end sticks in model with crowbar, make two side arcs be close to respectively copper pipe both sides arc to arc model, arc model one side is being strafed with glare light electric torch, opposite side is looked into and is seen if there is light and see through to judge that copper pipe, sufficient roller and one section of front arc roller are whether on a camber line, take two cold one section as benchmark, adjust bolt by crystallizer and carry out offside arc.
Utilize the method for the different cast of continuous casting quick-replaceable of the present invention section, change the maintenance of different cast section and reduced to 150 minutes by 240 minutes average time, process smoothness, safe and effective, has effectively improved conticaster operating rate.
Accompanying drawing explanation
Fig. 1 is workflow schematic diagram of the present invention.
Fig. 2 is crystallizer and internally outer arc generalized section of two cold one section of online entirety.
Fig. 3 is crystallizer and two cold one section of online overall offside arc generalized section.
Main symbol description:
1: crowbar 2 ': inner arc is to arc model
2: outer arc is to arc model 2 ' ': side arc is to arc model
3: sufficient roller 5: glare light electric torch
6: copper pipe
The specific embodiment
In order to make those skilled in the art person understand better the technical scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Based on the embodiment in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the application's protection.
As shown in Figure 1, the method for the different cast of continuous casting quick-replaceable of the present invention section comprises following six steps: the first step, and off-line is debugged stand-by equipment S100; Second step, shifts stand-by equipment to storeroom S200; The 3rd step, hangs online use equipment S300; The 4th step, cleaning accumulated slag S400; The 5th step, lifts stand-by equipment S500; The 6th step, entirety is to arc and lifting cover plate S600.
Below above-mentioned each step is elaborated.
1) off-line is debugged stand-by equipment S100
Stand-by crystallizer and two cold one section of equipment off-line are installed and carried out segmentation and entirety and use arc model arc, and debug completely, arc aligning accuracy is not more than 0.2mm (be preferably, use clearance gauge to measure).The crystallizer pressure testing of fetching water, checks that whether having drainage, water pressure testing power is 1.2MPa.And, water debugging is suppressed, tried to two cold two sections of stand-by each monoblock type spray throwers complete.
2) shift stand-by equipment to storeroom S200
To debug complete stand-by crystallizer and two cold one section of equipment hoisting to teeming stage equipment support; Two cold two sections of stand-by each monoblock type spray throwers are lifted to two cold platform spare part storerooms.At this, above-mentioned teeming stage equipment support refers to the bracing frame arbitrarily that can support crystallizer and two cold one section of equipment.What in addition, teeming stage equipment support and two cold platform spare part storerooms can be placed in respectively teeming stage and two cold platforms does not affect normal production and the equipment installation site of being close to Anywhere.In addition, can utilize driving to lift above-mentioned equipment.
3) hang online use equipment S300
After cast finishes, by crystallizer cover plate and need to change crystallizer and two cold one section of equipment and hang successively a cast position (if equipment M-EMS, should be crystallizer cover plate, crystallizer, M-EMS and two cold one section of equipment hung to cast position successively), be placed in equipment storeroom.
4) cleaning accumulated slag S400
Rinse with giant, to clear up two cold house's accumulated slags, described two cold houses refer to secondary cooling zone, comprise two cold one section and two regions of cold two sections.
5) lift stand-by equipment S500
Stand-by two cold one section of equipment, crystallizer are lifted to cast position successively and (if equipment M-EMS is installed, should be two cold one section, M-EMS and crystallizer lifted successively to a cast position erection unit), and change two cold two sections of stand-by each monoblock type spray throwers.At this, the reason of changing two cold two sections of stand-by each monoblock type spray throwers is: the one, because the slab cooling intensity of different cast sections is different, need meet slab cooling intensity by changing nozzle model; The 2nd, because section difference, the distance between nozzle and strand need be adjusted; The 3rd, because share conticaster, arrangement (as the position of arrangement of nozzles, nozzle quantity and the nozzle spray angle) difference of nozzle for square billet, circle base.
6) entirety is to arc and lifting cover plate S600
Crystallizer and two cold one section of equipment, two cold one section of equipment and two cold two sections of equipment are used arc model is carried out to online entirety to arc and lifting crystallizer cover plate.Wherein, as shown in Figure 2, crystallizer and two cold one section of equipment on-line entirety are internally, when outer arc, inner arc is put into crystallizer to arc model 2 ' and outer arc to arc model 2, upper end with crowbar 1 stick in inner arc to arc model 2 ' and outer arc to arc model 2, inner arc is close to respectively arc model 2 in the copper pipe 6 of crystallizer arc model 2 ' and outer arc, outer arc, at inner arc, arc model 2 ' and outer arc are strafed one of arc model 2 glare light electric torch for side (not shown), opposite side is looked into and is seen if there is light and see through to judge crystallizer copper pipe 6, be positioned at the sufficient roller 3 of crystallizer copper pipe below and the front end inner arc close packed roller 4 ' of two cold one section of equipment, whether outer arc close packed roller 4 is on a camber line, wherein, glare light electric torch is positioned at sufficient roller 3, outer arc close packed roller 4 ' in the front end of two cold one section of equipment, 4 and interior outer arc to arc model 2 ', one side of 2.Then,, take the inside and outside arc close packed roller of two front ends of cold a section 4 ', 4 as benchmark, adjust bolt by crystallizer and carry out arc.Wherein, described crystallizer is adjusted bolt and is arranged in crystalliser, all around finely tune for making crystallizer cavity, in the time that sufficient roller 3 and the inside and outside arc close packed roller of two cold one section of front end 4 ', 4 are not on a camber line, finely tune adjustment bolt all around by adjusting crystallizer cavity, realize the inside and outside arc close packed roller of the front end of sufficient roller 3 and two cold one section of equipment 4 ', 4 on a camber line.
As shown in Figure 3, crystallizer and two cold one section of equipment on-line entirety are during to both sides arc, by two side arcs to arc model 2 ' ' put into crystallizer (Fig. 3 only illustrates that a side arc is to arc model), upper end sticks in two side arcs to arc model 2 ' with crowbar 1 ', make side arc to arc model 2 ' ' be close to respectively the both sides arc of the copper pipe 6 of crystallizer, at side arc to arc model 2 ' ' a side strafe with glare light electric torch 5, opposite side is looked into and is seen if there is light and see through to judge crystallizer copper pipe 6, the front arc close packed roller 4 ' of foot roller 3 and two cold one section of equipment ' whether on a camber line, take the front arc close packed roller 4 ' of two cold one section of equipment ' as benchmark, adjusting bolt by aforesaid crystallizer carries out arc.
It should be noted that, it will be appreciated by those skilled in the art that inside and outside arc close packed roller 4 ', 4 and both sides arc close packed roller 4 ' ' form around the periphery of cast section.
When six steps according to the present invention are changed different cast section process, the arrangement of time is more planned as a whole rationally, process is flow field more, and the online work of many scripts has been transferred to line and completed (as the off-line entirety of stand-by equipment shifts stand-by equipment to equipment storeroom, production scene etc. to arc, the stand-by spray thrower of installation and debugging and lifting in advance) outward; Secondly in the different cast of replacing section processes, when steel production enterprise is carried out Whole Equipment on-line fine to arc at present, generally use clearance gauge to measure required to arc equipment and whether satisfied with arc error requirements to the gap of arc model, under secondary cooling zone rugged environment, often need the longer time of cost, the present invention, more can be quick and precisely to arc by utilizing glare light electric torch to strafe gap.Therefore, utilize the method for the different cast of continuous casting quick-replaceable of the present invention section, change the maintenance of different cast section and reduced to 150 minutes by 240 minutes average time, process smoothness, safe and effective, has effectively improved conticaster operating rate.
Above, by representational embodiment, the present invention is had been described in detail, but the technical staff in the technical field of the invention with common knowledge should know, within not departing from the scope of the present invention, can carry out numerous variations to above-described embodiment.
Therefore, interest field of the present invention is not limited to illustrated embodiment, is not only determined and can also be determined by the content that is equal to claims by claims.
Claims (3)
1. a method for the different cast of continuous casting quick-replaceable section, the method comprises the following steps:
The first step: off-line is debugged stand-by equipment, installs stand-by crystallizer and two cold one section of equipment off-line carry out segmentation and overall complete to arc debugging, and complete to two cold two sections of stand-by each monoblock type spray throwers debugging;
Second step: shift stand-by equipment to storeroom, will debug complete stand-by crystallizer and two cold one section of equipment hoisting to teeming stage equipment support, two cold two sections of stand-by each monoblock type spray throwers are lifted to two cold platform spare part storerooms;
The 3rd step: hang online use equipment, after cast finishes by crystallizer cover plate and need to change crystallizer and two cold one section of equipment and hang successively cast position;
The 4th step: cleaning accumulated slag, rinses and clears up two cold house's accumulated slags with giant;
The 5th step: lift stand-by equipment, stand-by two cold one section of equipment, crystallizer are lifted successively to cast position and installed, and change two cold two sections of stand-by each monoblock type spray throwers;
The 6th step: entirety is to arc and lifting cover plate, to crystallizer and two cold one section of equipment, two cold one section of equipment and two cold two sections of equipment use arc model is carried out online overall to arc and lift crystallizer cover plate.
2. the method for the different cast of continuous casting quick-replaceable as claimed in claim 1 section, it is characterized in that, in the 6th step, crystallizer and two cold one section of equipment on-line entirety are internally, when outer arc, interior outer arc is put into crystallizer to arc model, upper end sticks in interior outer arc to arc model with crowbar, make interior outer arc arc model is close to successively crystallizer copper pipe in, outer arc, at interior outer arc, one side of arc model is strafed with glare light electric torch, opposite side is looked into and is seen if there is light and see through to judge crystallizer copper pipe, be positioned at the sufficient roller of crystallizer copper pipe below and the front end of two cold one section of equipment, whether outer arc close packed roller is on a camber line, and in front end with two cold one section of equipment, outer arc close packed roller is benchmark, adjusting bolt by crystallizer carries out arc.
3. the method for the different cast of continuous casting quick-replaceable as claimed in claim 1 section, it is characterized in that, in the 6th step, crystallizer and two cold one section of equipment on-line entirety are during to both sides arc, two side arcs are put into crystallizer to arc model, upper end sticks in two side arcs to arc model with crowbar, make two side arcs be close to successively the both sides arc of the copper pipe of crystallizer to arc model, at two side arcs, arc model one side is strafed with glare light electric torch, opposite side is looked into and is seen if there is light and see through to judge copper pipe, whether the front arc roller of foot roller and two cold one section of equipment is on a camber line, and take the front arc roller of two cold one section of equipment as benchmark, adjusting bolt by crystallizer carries out arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410004350.5A CN103785810B (en) | 2014-01-06 | 2014-01-06 | A kind of method of continuous casting quick-replaceable difference cast section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410004350.5A CN103785810B (en) | 2014-01-06 | 2014-01-06 | A kind of method of continuous casting quick-replaceable difference cast section |
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| CN103785810A true CN103785810A (en) | 2014-05-14 |
| CN103785810B CN103785810B (en) | 2016-08-24 |
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| CN201410004350.5A Active CN103785810B (en) | 2014-01-06 | 2014-01-06 | A kind of method of continuous casting quick-replaceable difference cast section |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000356A (en) * | 2019-05-24 | 2019-07-12 | 攀钢集团攀枝花钢钒有限公司 | A kind of quick detection and the method for demarcating small billet flow channel quality |
| CN113059130A (en) * | 2021-03-15 | 2021-07-02 | 鞍钢股份有限公司 | Novel arc connecting method for foot roller of large-chamfer crystallizer of continuous casting machine |
| CN114951566A (en) * | 2022-06-02 | 2022-08-30 | 攀钢集团工程技术有限公司 | Construction method of crystallizer of continuous casting machine |
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| US3923093A (en) * | 1974-05-16 | 1975-12-02 | Armco Steel Corp | Universal continuous casting apparatus |
| CN201008954Y (en) * | 2007-03-15 | 2008-01-23 | 马鞍山钢铁股份有限公司 | Secondary cooling device of billet conticaster |
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2014
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| US3923093A (en) * | 1974-05-16 | 1975-12-02 | Armco Steel Corp | Universal continuous casting apparatus |
| CN201008954Y (en) * | 2007-03-15 | 2008-01-23 | 马鞍山钢铁股份有限公司 | Secondary cooling device of billet conticaster |
| CN201264080Y (en) * | 2008-09-10 | 2009-07-01 | 中冶东方工程技术有限公司 | Integral quick change structure of small square blank continuous casting machine fan-shaped segment and small square blank continuous casting machine |
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Non-Patent Citations (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000356A (en) * | 2019-05-24 | 2019-07-12 | 攀钢集团攀枝花钢钒有限公司 | A kind of quick detection and the method for demarcating small billet flow channel quality |
| CN113059130A (en) * | 2021-03-15 | 2021-07-02 | 鞍钢股份有限公司 | Novel arc connecting method for foot roller of large-chamfer crystallizer of continuous casting machine |
| CN114951566A (en) * | 2022-06-02 | 2022-08-30 | 攀钢集团工程技术有限公司 | Construction method of crystallizer of continuous casting machine |
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| CN103785810B (en) | 2016-08-24 |
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