CN104178595A - Method for replacing dust collecting pipeline in steel smelting workshop - Google Patents
Method for replacing dust collecting pipeline in steel smelting workshop Download PDFInfo
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- CN104178595A CN104178595A CN201410464372.XA CN201410464372A CN104178595A CN 104178595 A CN104178595 A CN 104178595A CN 201410464372 A CN201410464372 A CN 201410464372A CN 104178595 A CN104178595 A CN 104178595A
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- cleaning shaft
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Abstract
The invention provides a method for replacing a dust collecting pipeline in a steel smelting workshop. The method comprises the following steps: lengthening an old transverse beam of an old pipeline bracket, wherein the length of a first lengthened section of the old transverse beam is a first preset length, supporting an old dust collecting pipeline to be replaced by using the old pipeline bracket, and placing a dust collecting pipeline right above the old dust collecting pipeline; disconnecting the old dust collecting pipeline from the old transverse beam, and horizontally moving the old dust collecting pipeline to the free end of the old transverse beam; hoisting away the old dust collecting pipeline when the old dust collecting pipeline is moved to a first preset position; and mounting a new dust collecting pipeline. According to the method for replacing the dust collecting pipeline in the steel smelting workshop, by lengthening the old transverse beam of the old pipeline bracket, the old dust collecting pipeline can be horizontally moved along the old transverse beam, after the old dust collecting pipeline is moved to the first preset position, the old dust collecting pipeline is staggered with the dust collecting pipeline above the old dust collecting pipeline in the horizontal direction, the interference of the dust collecting pipeline to the old dust collecting pipeline when being hoisted out is avoided, so that the old dust collecting pipeline can be hoisted away, the new dust collecting pipeline can be mounted, and thus the replacement of the old dust collecting pipeline is completed.
Description
Technical field
The present invention relates to steelshop and change technical field with cleaning shaft, more particularly, relate to a kind of replacing method of cleaning shaft for steelshop.
Background technology
The liquid pig iron of take is made steel as raw material, conventionally adopt converter, physical thermal and interior each component (as carbon, manganese, silicon, phosphorus etc.) of the pig iron by liquid pig iron in converter carry out with the oxygen of sending in converter the heat that chemical reaction produced, and make metal reach composition and temperature that tapping requires.Furnace charge is mainly molten iron and slag material (as lime, quartz, fluorite etc.), be to adjust temperature, can add steel scrap and a small amount of cold pig iron piece and ore etc.In convertor steelmaking process, the carbon in molten iron at high temperature generates the mixed gas of carbon monoxide and a small amount of carbonic acid gas, i.e. coal gas of converter with the oxygen being blown into.The generating capacity of coal gas of converter is in a smelting process and unbalanced, and composition also changes, conventionally by the converter coal gas that repeatedly smelting process reclaims through cooling, dedusting, input gas storage holder.
At present, cleaning shaft is carried gas recovery, conventionally adopts pipeline to carry out reclaiming after concentrated dust-removing, general workshop has some converters to produce, every converter simultaneously arranges a cleaning shaft, structurally for ease of pipe laying, generally takes vertically disposed mode to carry out the layout of pipeline.For vertically disposed cleaning shaft, change and generally take to remove successively from top to bottom, the method for then installing successively is from bottom to top changed, and the prerequisite of this method construction is that some converters must all stop production.This certainly will have a strong impact on the normal arrangement of production.If engineering has three converters, also just there are three cleaning shafts, for guaranteeing to produce, normally carry out, three converters can only stop a converter at every turn, utilize the Converter Maintenance time, change the cleaning shaft of this converter,, in Renewal process, there will be the cleaning shaft top, bottom that needs are changed to there is top cleaning shaft, be subject to the interference effect of top cleaning shaft, lifting appliance cannot vertical lifting bottom cleaning shaft, causes completing the replacing of bottom cleaning shaft.
In sum, how changing cleaning shaft, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of replacing method of cleaning shaft for steelshop, to realize replacing cleaning shaft.
To achieve these goals, the invention provides following technical scheme:
A replacing method for cleaning shaft for steelshop, comprises step:
1) the old crossbeam of old pipe support is lengthened, the first lengthening section length of described old crossbeam is the first preset length, and described old pipe support supports the old cleaning shaft that needs replacing, directly over described old cleaning shaft, has cleaning shaft;
2) remove being connected of described old cleaning shaft and described old crossbeam, to old cleaning shaft described in the free end translation of described old crossbeam;
3) when described old cleaning shaft moves to after the first predeterminated position, hang away described old cleaning shaft;
4) new cleaning shaft is installed.
Preferably, the replacing method of cleaning shaft for above-mentioned steelshop, described step 4) in, the caliber of described new cleaning shaft is less than or equal to the caliber of described old cleaning shaft, described step 4) specifically comprise step:
Described new cleaning shaft is winched to the second predeterminated position of described old crossbeam;
To new cleaning shaft described in the inboardend translation of described old crossbeam;
When described new cleaning shaft moves to after the 3rd predeterminated position, be fixedly connected with described new cleaning shaft and described old crossbeam.
Preferably, the replacing method of cleaning shaft for above-mentioned steelshop, described step 4) also comprise step: be fixedly connected with after described new cleaning shaft and described old crossbeam, remove described the first lengthening section.
Preferably, the replacing method of cleaning shaft for above-mentioned steelshop, described step 4) in, the caliber of described new cleaning shaft is greater than the caliber of described old cleaning shaft, described step 4) specifically comprise step:
Remove described old pipe support;
New pipe support is installed, and the new crossbeam of described new pipe support has the second lengthening section;
Described new cleaning shaft is winched to the 4th predeterminated position of described new crossbeam;
To new cleaning shaft described in the inboardend translation of described new crossbeam;
When described new cleaning shaft moves to after the 5th predeterminated position, be fixedly connected with described new cleaning shaft and described new crossbeam.
Preferably, the replacing method of cleaning shaft for above-mentioned steelshop, described step 4) also comprise step: be fixedly connected with after described new cleaning shaft and described new crossbeam, remove described the second lengthening section.
Preferably, the replacing method of cleaning shaft for above-mentioned steelshop, described step 2) in, remove after being connected of described old cleaning shaft and described old crossbeam, described old crossbeam is polished flat with the slipping plane that described old cleaning shaft contacts, then to old cleaning shaft described in the free end translation of described old crossbeam.
Preferably, the replacing method of cleaning shaft for above-mentioned steelshop, described step 2) in, old cleaning shaft described in jack translation adopted.
Preferably, above-mentioned steelshop, with in the replacing method of cleaning shaft, adopts tower crane to hang away described old cleaning shaft.
Preferably, above-mentioned steelshop is with in the replacing method of cleaning shaft, adopts new cleaning shaft described in jack translation.
Preferably, above-mentioned steelshop, with in the replacing method of cleaning shaft, adopts tower crane to hang and send described new cleaning shaft.
The replacing method of cleaning shaft for steelshop provided by the invention, by lengthening the old crossbeam of old pipe support, can be along the old cleaning shaft of old cross beam translation, old cleaning shaft moves to after the first predeterminated position, old cleaning shaft and the cleaning shaft of the side of being located thereon are misplaced in the horizontal direction, remove cleaning shaft to lifting by crane the interference of old cleaning shaft, thereby can hang away old cleaning shaft and new cleaning shaft is installed, can complete the replacing of cleaning shaft.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
The steelshop that Fig. 1 provides for the embodiment of the present invention schematic diagram of steelshop in the replacing method of cleaning shaft;
The steelshop that Fig. 2 provides for the embodiment of the present invention schematic diagram of the old cleaning shaft of translation in the replacing method of cleaning shaft;
The steelshop that Fig. 3 provides for the embodiment of the present invention is with in the replacing method of cleaning shaft, old cleaning shaft being moved to the schematic diagram of the first predeterminated position;
The steelshop that Fig. 4 provides for the embodiment of the present invention schematic diagram of the new cleaning shaft of translation in the replacing method of cleaning shaft;
The steelshop that Fig. 5 provides for the embodiment of the present invention is with in the replacing method of cleaning shaft, new cleaning shaft being moved to the schematic diagram of the 5th predeterminated position.
In upper Fig. 1-5:
1 for tower crane, 2 for converter, 3 be cleaning shaft, 4 be No. two cleaning shafts, 5 be No. three cleaning shafts, 6 for factory building columns, 7 for jack, 8 for old pipe support, 81 for old crossbeam, 811 be the first lengthening section, 9 for new pipe support, 91 for new crossbeam, 911 be that the second lengthening section, 10 is new cleaning shaft.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The replacing method of cleaning shaft for the steelshop that the embodiment of the present invention provides, specifically comprises step:
S01: the old crossbeam of old pipe support is lengthened:
Old pipe support 8 supports the old cleaning shaft that needs replacing, directly over old cleaning shaft, has cleaning shaft, lengthens the old crossbeam 81 of old pipe support 8, and the first lengthening section 811 length of old crossbeam 81 are the first preset length.It should be noted that, the first preset length need to be determined according to the caliber of old cleaning shaft and cleaning shaft, as long as guarantee old cleaning shaft to move to the side-lower of cleaning shaft, make lifting appliance can hang away old cleaning shaft, the embodiment of the present invention is not construed as limiting the first preset length of the first lengthening section 811.
S02: remove being connected of old cleaning shaft and old crossbeam, to the old cleaning shaft of free end translation of old crossbeam:
It should be noted that, the free end of old crossbeam 81 refers to one end that old crossbeam 81 is not connected with factory building columns 6, i.e. the unsettled one end of old crossbeam 81.Pipeline base and the old crossbeam 81 of common old cleaning shaft are weldingly connected, need to cut off the pipeline base of old cleaning shaft and being connected of old crossbeam 81, in order to guarantee to realize the translation of old cleaning shaft, old crossbeam 81 need to be polished flat with the slipping plane that old cleaning shaft contacts, to prevent from occurring in the old cleaning shaft process of translation the phenomenon of translation interruption, after polishing flat, then to the old cleaning shaft of free end translation of old crossbeam 81.The not cleaning of the floating rust of slipping plane of old crossbeam 81, floating rust contributes to reduce frictional force.Concrete, the slipping plane of the old crossbeam 81 of employing grinder buffing.In the old cleaning shaft of translation, because old cleaning shaft is heavier, for convenient and strength-saving, the preferential old cleaning shaft of employing jack 7 translation of selecting.Concrete, because the free end of old crossbeam 81 is unsettled, the inboardend that staff need to stand in old crossbeam 81 pulls jack 7, one end that old crossbeam 81 is connected with factory building columns 6.
S03: hang away described old cleaning shaft after old cleaning shaft moves to the first predeterminated position:
It should be noted that, the first predeterminated position need to be determined according to the caliber of old cleaning shaft and cleaning shaft, as long as guarantee old cleaning shaft to move to the side-lower of cleaning shaft, make lifting appliance can hang away old cleaning shaft, the embodiment of the present invention is not construed as limiting the particular location of the first predeterminated position.Hang away old cleaning shaft, concrete, adopt lifting appliance to hang away old cleaning shaft, preferred, adopt tower crane 1 to hang away old cleaning shaft.Certainly, also can select other lifting appliances to hang away old cleaning shaft, be not limited to this.
S04: new cleaning shaft is installed:
After hanging away old cleaning shaft, new cleaning shaft 10 is installed, completed the replacing of old cleaning shaft.
The replacing method of cleaning shaft for the steelshop that the embodiment of the present invention provides, by lengthening the old crossbeam 81 of old pipe support, can be along the old cleaning shaft of old crossbeam 81 translation, old cleaning shaft moves to after the first predeterminated position, old cleaning shaft and the cleaning shaft of the side of being located thereon are misplaced in the horizontal direction, remove cleaning shaft to lifting by crane the interference of old cleaning shaft, thereby can hang away old cleaning shaft and new cleaning shaft 10 is installed, can complete the replacing of cleaning shaft.
The steelshop that above-described embodiment provides is with in the replacing method of cleaning shaft, and new cleaning shaft 10 can be identical with old cleaning shaft, also can be different, can select according to actual needs.When the caliber of new cleaning shaft 10 is less than or equal to the caliber of old cleaning shaft, step S04 specifically comprises step: the second predeterminated position that new cleaning shaft 10 is winched to old crossbeam 81; The new cleaning shaft 10 of inboardend translation to old crossbeam 81; When new cleaning shaft 10 moves to after the 3rd predeterminated position, be fixedly connected with new cleaning shaft 10 and old crossbeam 81.
Be understandable that, the second predeterminated position, need to determine according to the caliber of cleaning shaft and new cleaning shaft 10, concrete, if the new caliber of cleaning shaft 10 and the caliber of old cleaning shaft equate, the second predeterminated position is the first predeterminated position.The 3rd predeterminated position, refers to the position that new cleaning shaft 10 is relative with the cleaning shaft of the side of being located thereon, this stylish cleaning shaft 10 be positioned at this cleaning shaft under.It should be noted that, on new cleaning shaft 10, there is pipeline base, be fixedly connected with new cleaning shaft 10 and old crossbeam 81, be the pipeline base and the old crossbeam 81 that are fixedly connected with new cleaning shaft 10, can adopt foundation bolt or welding to achieve a fixed connection, the embodiment of the present invention does not limit this.In order to guarantee global consistency, in the replacing method of above-mentioned steelshop cleaning shaft, step S04 also comprises step: be fixedly connected with after new cleaning shaft 10 and old crossbeam 81, remove the first lengthening section 811, equal in length with the crossbeam of the side of being located thereon to guarantee old crossbeam 81, thus global consistency guaranteed.Preferably, adopt tower crane 1 to hang and send new cleaning shaft 10, concrete, adopt tower crane 1 new cleaning shaft 10 to be winched to the second predeterminated position of old crossbeam 81.
The steelshop that above-described embodiment provides is with in the replacing method of cleaning shaft, if the caliber of new cleaning shaft 10 is greater than the caliber of old cleaning shaft, step S04 specifically comprises step: remove old pipe support 8; New pipe support 9 is installed, and the new crossbeam 91 of new pipe support 9 has the second lengthening section 911; New cleaning shaft 10 is winched to the 4th predeterminated position of new crossbeam 91; The new cleaning shaft 10 of inboardend translation to new crossbeam 91; When new cleaning shaft 10 moves to after the 5th predeterminated position, be fixedly connected with new cleaning shaft 10 and new crossbeam 91.
It should be noted that, when the caliber of new cleaning shaft 10 is greater than the caliber of old cleaning shaft, old pipe support 8 can not meet the demands, and need to more renew pipe support 9, to guarantee support safety.New pipe support 9 is arranged on factory building columns 6, concrete, and new pipe support 9 is welded on factory building columns 6.The length of the second lengthening section 911 needs to determine according to the caliber of the cleaning shaft of new cleaning shaft 10 and the side of being located thereon, as long as guarantee that lifting appliance can winch to new cleaning shaft 10 on new crossbeam 91, the embodiment of the present invention is not construed as limiting the length of the second lengthening section 911.The 4th predeterminated position, refers to the position that new cleaning shaft 10 can be winched to, and when new cleaning shaft 10 is positioned at the 4th predeterminated position, new cleaning shaft 10 misplaces with the cleaning shaft of the side of being located thereon, and is positioned at the side-lower of this cleaning shaft.The inboardend of new crossbeam 91 refers to one end that new crossbeam 91 is connected with factory building columns 6.New cleaning shaft 10 moves to after the 5th predeterminated position, and new cleaning shaft 10 is relative with the cleaning shaft of the side of being located thereon, newly cleaning shaft 10 be positioned at this cleaning shaft under.
The steelshop that above-described embodiment provides is with in the replacing method of cleaning shaft, adopt lifting appliance new cleaning shaft 10 to be winched to the 4th predeterminated position of new crossbeam 91, concrete, adopt tower crane 1 to hang and send new cleaning shaft 10, adopt tower crane 1 new cleaning shaft 10 to be winched to the 4th predeterminated position of new crossbeam 91.During the new cleaning shaft 10 of translation, for convenient and strength-saving, the preferential new cleaning shaft 10 of employing jack 7 translation of selecting.Concrete, because the free end of new crossbeam 91 is unsettled, the inboardend that staff need to stand in new crossbeam 91 pulls jack 7, one end that new crossbeam 91 is connected with factory building columns 6.In order to guarantee global consistency, in the replacing method of above-mentioned steelshop cleaning shaft, step S04 also comprises step: be fixedly connected with after new cleaning shaft 10 and new crossbeam 91, remove the second lengthening section 911, equal in length with the crossbeam of the side of being located thereon to guarantee new crossbeam 91, thus global consistency guaranteed.
Preferably, the steelshop that above-described embodiment provides, with in the replacing method of cleaning shaft, also comprises step, removes after the second lengthening section 911, and the section of new crossbeam 91 and slipping plane are carried out to anticorrosive coating.
The steelshop that above-described embodiment provides is with in the replacing method of cleaning shaft, in the old cleaning shaft process of translation, tower crane 1 will coordinate lifting, guarantee that rope is all the time in small strained condition, the rope that assurance is tied does not break off relations and is as the criterion, after old cleaning shaft slides onto the first predeterminated position, remove jack 7, old cleaning shaft normally handling to ground.In new cleaning shaft 10 processes of translation, tower crane 1 is wanted Combined with Radiotherapy rope, guarantees that rope, in micro-tight state, prevents that rope from coming off.
Steelshop has three cleaning shafts conventionally, and as shown in Figure 1, cleaning shaft is arranged on a side of converter 2.Concrete, vertically, from top to bottom, three cleaning shafts are respectively cleaning shaft 3, No. two cleaning shafts 4, No. three cleaning shafts 5.When changing No. two cleaning shafts 4 and No. three cleaning shafts 5, the replacing method of cleaning shaft for the steelshop that employing above-described embodiment provides, can complete replacing.No. two cleaning shafts 4 and No. three cleaning shafts 5 all can be used as old cleaning shaft.No. two cleaning shafts 4 of take are example as old cleaning shaft, old pipe support 8 length of No. two cleaning shafts 4 are 2500mm, when the distance of a cleaning shaft 3 of wireline distance of tower crane 1 is controlled at 200mm, the old crossbeam 81 of old pipe support 8 needs to lengthen 500mm as calculated, the first preset length of the first lengthening section 811 is 500mm, can guarantee the stability after old tube translation to the first predeterminated position.Direction and the mode of the old cleaning shaft 4 of translation, as shown in Figure 2; The contrast of the starting position of the first predeterminated position and old cleaning shaft 4, as shown in Figure 3, the old cleaning shaft 4 shown in dotted line is positioned at the first predeterminated position, and the old cleaning shaft 4 shown in solid line is positioned at starting position; According to lifting translation requirement, the length of the second lengthening section 911 is 600mm, direction and the mode of the new cleaning shaft 10 of translation, as shown in Figure 4; The contrast of the 5th predeterminated position and the 4th predeterminated position, as shown in Figure 5, the new cleaning shaft 10 shown in dotted line is positioned at the 4th predeterminated position, and the new cleaning shaft 10 shown in solid line is positioned at the 5th predeterminated position.
Above-mentioned explanation to the disclosed embodiments, makes those skilled in the art can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for a person skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a replacing method for cleaning shaft for steelshop, is characterized in that, comprises step:
1) the old crossbeam of old pipe support is lengthened, the first lengthening section length of described old crossbeam is the first preset length, and described old pipe support supports the old cleaning shaft that needs replacing, directly over described old cleaning shaft, has cleaning shaft;
2) remove being connected of described old cleaning shaft and described old crossbeam, to old cleaning shaft described in the free end translation of described old crossbeam;
3) when described old cleaning shaft moves to after the first predeterminated position, hang away described old cleaning shaft;
4) new cleaning shaft is installed.
2. the replacing method of cleaning shaft for steelshop according to claim 1, is characterized in that described step 4) in, the caliber of described new cleaning shaft is less than or equal to the caliber of described old cleaning shaft, described step 4) specifically comprise step:
Described new cleaning shaft is winched to the second predeterminated position of described old crossbeam;
To new cleaning shaft described in the inboardend translation of described old crossbeam;
When described new cleaning shaft moves to after the 3rd predeterminated position, be fixedly connected with described new cleaning shaft and described old crossbeam.
3. the replacing method of cleaning shaft for steelshop according to claim 2, is characterized in that described step 4) also comprise step: be fixedly connected with after described new cleaning shaft and described old crossbeam, remove described the first lengthening section.
4. the replacing method of cleaning shaft for steelshop according to claim 1, is characterized in that described step 4) in, the caliber of described new cleaning shaft is greater than the caliber of described old cleaning shaft, described step 4) specifically comprise step:
Remove described old pipe support;
New pipe support is installed, and the new crossbeam of described new pipe support has the second lengthening section;
Described new cleaning shaft is winched to the 4th predeterminated position of described new crossbeam;
To new cleaning shaft described in the inboardend translation of described new crossbeam;
When described new cleaning shaft moves to after the 5th predeterminated position, be fixedly connected with described new cleaning shaft and described new crossbeam.
5. the replacing method of cleaning shaft for steelshop according to claim 4, is characterized in that described step 4) also comprise step: be fixedly connected with after described new cleaning shaft and described new crossbeam, remove described the second lengthening section.
6. the replacing method of cleaning shaft for steelshop according to claim 1, it is characterized in that, described step 2) in, remove after being connected of described old cleaning shaft and described old crossbeam, described old crossbeam is polished flat with the slipping plane that described old cleaning shaft contacts, then to old cleaning shaft described in the free end translation of described old crossbeam.
7. the replacing method of cleaning shaft for steelshop according to claim 1, is characterized in that described step 2) in, old cleaning shaft described in jack translation adopted.
8. the replacing method of cleaning shaft for steelshop according to claim 1, is characterized in that, adopts tower crane to hang away described old cleaning shaft.
9. the replacing method with cleaning shaft according to steelshop described in claim 2 or 4, is characterized in that, adopts new cleaning shaft described in jack translation.
10. the replacing method with cleaning shaft according to the steelshop described in claim 2 or 4, is characterized in that, adopts tower crane to hang and send described new cleaning shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464372.XA CN104178595B (en) | 2014-09-12 | 2014-09-12 | The replacing options of steelshop cleaning shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464372.XA CN104178595B (en) | 2014-09-12 | 2014-09-12 | The replacing options of steelshop cleaning shaft |
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| Publication Number | Publication Date |
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| CN104178595A true CN104178595A (en) | 2014-12-03 |
| CN104178595B CN104178595B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410464372.XA Active CN104178595B (en) | 2014-09-12 | 2014-09-12 | The replacing options of steelshop cleaning shaft |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131355A (en) * | 2017-05-24 | 2017-09-05 | 五冶集团上海有限公司 | A kind of method and device for changing heavy caliber aerial pipeline |
| CN112412037A (en) * | 2020-11-10 | 2021-02-26 | 上海宝冶集团有限公司 | Synchronous construction method for steel-making factory building and roof large-diameter pipeline |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1888087A (en) * | 2006-08-03 | 2007-01-03 | 上海宝钢工程技术有限公司 | Converter shop dust collecting cover device |
| CN202203564U (en) * | 2011-06-24 | 2012-04-25 | 武汉钢铁(集团)公司 | Simple connecting piece for converter secondary dedusting deformation pipeline replacing compensator |
-
2014
- 2014-09-12 CN CN201410464372.XA patent/CN104178595B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1888087A (en) * | 2006-08-03 | 2007-01-03 | 上海宝钢工程技术有限公司 | Converter shop dust collecting cover device |
| CN202203564U (en) * | 2011-06-24 | 2012-04-25 | 武汉钢铁(集团)公司 | Simple connecting piece for converter secondary dedusting deformation pipeline replacing compensator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131355A (en) * | 2017-05-24 | 2017-09-05 | 五冶集团上海有限公司 | A kind of method and device for changing heavy caliber aerial pipeline |
| CN112412037A (en) * | 2020-11-10 | 2021-02-26 | 上海宝冶集团有限公司 | Synchronous construction method for steel-making factory building and roof large-diameter pipeline |
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| Publication number | Publication date |
|---|---|
| CN104178595B (en) | 2016-01-20 |
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Effective date of registration: 20220402 Address after: 271104 No.1 Nanling street, Gangcheng District, Jinan City, Shandong Province Patentee after: CONSTRUCTION AND INSTALLATION BRANCH COMPANY OF LAIGANG CONSTRUCTION Co.,Ltd. Address before: 266000 floor 32, East Tower, B Kaixuan building, No. 43, Donghai West Road, Shinan District, Qingdao, Shandong Province Patentee before: SHANDONG LAIGANG CONSTRUCTION Co.,Ltd. |