CN103361459A - Stirring connection device and stirring system for KR molten iron desulphurization method - Google Patents
Stirring connection device and stirring system for KR molten iron desulphurization method Download PDFInfo
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- CN103361459A CN103361459A CN2013103204148A CN201310320414A CN103361459A CN 103361459 A CN103361459 A CN 103361459A CN 2013103204148 A CN2013103204148 A CN 2013103204148A CN 201310320414 A CN201310320414 A CN 201310320414A CN 103361459 A CN103361459 A CN 103361459A
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Abstract
In the KR molten iron desulphurization method, on one hand the stirring blade transmit relatively large moment, on the other hand the stirring blade is heavy itself, so the connection point between the stirring blade and the main shaft is easy to wear. The invention discloses a stirring connection device and a stirring system for the KR molten iron desulphurization method. The stirring connection device comprises a main shaft, a stirring blade, and a flange. The stirring blade is arranged on the flange, the flange is arranged on the tail end of the main shaft, and the main shaft interference fits with the flange. A key groove one is arranged on the tail end of the main shaft, and a corresponding key groove two is arranged in the inner hole of the flange, an L-shaped key is arranged between the main shaft and the flange, the lower part of the L-shaped key is supported by the lower part of the key groove one, the lower end surface of the flange is supported by the transverse end of the L-shaped key, and the vertical side of the L-shaped key is tightly attached to the key groove one.
Description
Technical field
The present invention relates to metallurgy industry sweetener technical field, particularly a kind of stirring coupling device of KR desulfurizing iron method.
Background technology
In KR desulfurizing iron method, need to add sweetening agent and make sweetening agent fully mix, react with molten iron, it is the principal element that affects the KR sweetening effectiveness that molten iron is fully mixed, because molten iron temperature is high, density is large, weight is large, need larger moment that molten iron is stirred, and stirring mechanism also need high temperature resistant, in present KR doctor treatment, agitating vane all more greatly, thicker, weight is also larger.In the time of in working order, agitating vane is suspended on the lower end of main shaft, agitating vane has transmitted than high-torque on the one hand, agitating vane self is heavier in addition on the other hand, tie point between agitating vane and the main shaft weares and teares easily, causes the mode of connection between agitating vane and the main shaft to occur becoming flexible, and makes the tie point accelerated wear test of agitating vane and main shaft, cause the inefficacy that is fixedly connected with between agitating vane and the main shaft, cause that mixing effect is poor.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.For this reason, the present invention proposes a kind of stirring coupling device of KR desulfurizing iron method, comprises main shaft 4, agitating vane, also comprise flange 6, described agitating vane is installed on the flange 6, and described flange 6 is installed in the end of described main shaft 4, take full advantage of main axis length, alleviate the weight of stirring mechanism.
Further, be shrink-fit between described main shaft 4 and the flange 6, make to be not easy between main shaft and the flange occur to slide, reduce to be connected between main shaft and the flange and the possibility of wearing and tearing occurs.
Further, described main shaft 4 ends are provided with keyway 1, also be provided with corresponding keyway 2 62 on the endoporus of described flange 6, also be provided with key 1 between described main shaft 4 and the described flange 6, described key 1 is the L-type key, inserts among the space of described keyway 1 and keyway 2 62 compositions, and the bottom 71 of described key 1 is supported on the bottom of described keyway 1, the horizontal end 72 of described key 1 supports the lower surface of described flange 6, and the vertical plane 73 of described key 1 is close to described keyway.The bottom of key one is supported on the bottom of keyway, and the inner end of horizontal end pivot flange plays the effect of supporting agitating vane weight, has reduced the load of other position carrying agitating vane weight of stirring mechanism.
Further, the top of described keyway also is provided with key 28, and the upper end 61 of described flange 6 is pinned in the bottom of described key 28, and described flange 6 is carried out axial restraint, be provided with at least one hole 82 on the described key 28, described key 28 passes hole 82 by screw 81 and is fastened on the described main shaft 4.Relative position to flange and main shaft is fixed key two from the upper end of flange, has further reduced the possibility that relatively sliding appears in main shaft and flange.
Further, along the circumferential direction go up on described main shaft 4 ends and be provided with equably at least two described keyways 1, along the circumferential direction go up on described flange 6 endoporus and also correspondingly be provided with equably at least two keyways 2 62, correspondingly described key 1, key 28 also are respectively arranged with at least two.Many group keys and keyway are set, the weight of sharing agitating vane, the frequency that further reduces to keep in repair stirring mechanism, the work-ing life of increase stirring mechanism.
Another aspect of the present invention also provides a kind of stirring system of KR desulfurizing iron method, the stirring coupling device that comprises frame 1, motor 2, speed reduction unit 3, thermal baffle 5 and comprise above-mentioned KR desulfurizing iron method.Owing to adopted above-mentioned coupling device between main shaft and the flange, improve the transfer efficiency of motor output torque, and reduced the stirring mechanism frequency of maintenance, improved production efficiency.
The present invention is simple in structure, is easy to make, and the moment that can transmit horizontal direction also can be carried the load on the vertical direction, and has improved significantly the supporting capacity of axle on the vertical direction.
Description of drawings
Fig. 1 is overall schematic of the present invention;
Fig. 2 is part sectioned view of the present invention;
Fig. 3 is the right view of main shaft end of the present invention;
Fig. 4 is the upward view of flange of the present invention;
Fig. 5 is the front view of key one of the present invention;
Fig. 6 is the front view of key two of the present invention;
Wherein: 1, frame; 2, motor; 3, speed reduction unit; 4, main shaft; 41, keyway one; 5, thermal baffle; 6, flange; 61, flange upper end; 62, keyway two; 7, key one; 71, bottom; 72, horizontal end; 73, vertical plane; 8, key two; 81, screw; 82, hole.
Embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, also can be to removably connect, or connect integratedly; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can particular case understand above-mentioned term concrete meaning in the present invention.
Below with reference to Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 describes the stirring coupling device that proposes a kind of KR desulfurizing iron method according to the present invention, comprise main shaft 4, agitating vane, also comprise flange 6, described agitating vane is installed on the flange 6, described flange 6 is installed in the end of described main shaft 4, be shrink-fit between described main shaft 4 and the flange 6, described main shaft 4 ends are provided with two keyways 1, also be provided with two corresponding keyways 2 62 on the endoporus of described flange 6, also be provided with two keys 1 between described main shaft 4 and the described flange 6, described key 1 is the L-type key, insert among the space of described keyway 1 and keyway 2 62 compositions, the bottom 71 of described key 1 is supported on the bottom of described keyway 1, and the horizontal end 72 of described key 1 supports the lower surface of described flange 6, and the vertical plane 73 of described key 1 is close to described keyway.The top of described keyway also is provided with two keys 28, the upper end 61 of described flange 6 is pinned in the bottom of described key 28, described flange 6 is carried out axial restraint, be provided with two holes 82 on the described key 28, described key 28 passes hole 82 by screw 81 and is fastened on the described main shaft 4.
As shown in Figure 1, the present invention also provides a kind of stirring system of KR desulfurizing iron method, the stirring coupling device that comprises frame 1, motor 2, speed reduction unit 3, thermal baffle 5 and comprise above-mentioned KR desulfurizing iron method.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment in the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (6)
1. the stirring coupling device of a KR desulfurizing iron method comprises main shaft (4), agitating vane, it is characterized in that, also comprises flange (6), and described agitating vane is installed on the flange (6), and described flange (6) is installed in the end of described main shaft (4).
2. the stirring coupling device of KR desulfurizing iron method according to claim 1 is characterized in that, is shrink-fit between described main shaft (4) and the flange (6).
3. the stirring coupling device of KR desulfurizing iron method according to claim 2, it is characterized in that, described main shaft (4) end is provided with keyway one (41), also be provided with corresponding keyway two (62) on the endoporus of described flange (6), also be provided with key one (7) between described main shaft (4) and the described flange (6), described key one (7) is the L-type key, insert among the space of described keyway one (41) and keyway two (62) compositions, the bottom (71) of described key one (7) is supported on the bottom of described keyway one (41), the horizontal end (72) of described key one (7) supports the lower surface of described flange (6), and the vertical plane (73) of described key one (7) is close to described keyway.
4. the stirring coupling device of KR desulfurizing iron method according to claim 3, it is characterized in that, the top of described keyway also is provided with key two (8), the upper end (61) of described flange (6) is pinned in the bottom of described key two (8), described flange (6) is carried out axial restraint, be provided with at least one hole (82) on the described key two (8), described key two (8) passes hole (82) by screw (81) and is fastened on the described main shaft (4).
5. the stirring coupling device of KR desulfurizing iron method according to claim 4, it is characterized in that, along the circumferential direction go up on described main shaft (4) end and be provided with equably at least two described keyways one (41), along the circumferential direction go up on described flange (6) endoporus and also correspondingly be provided with equably at least two keyways two (62), correspondingly described key one (7), key two (8) also are respectively arranged with at least two.
6. the stirring system of a KR desulfurizing iron method comprises frame (1), motor (2), speed reduction unit (3), thermal baffle (5), it is characterized in that, also comprises the stirring coupling device of the arbitrary described KR desulfurizing iron method of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103204148A CN103361459A (en) | 2013-07-26 | 2013-07-26 | Stirring connection device and stirring system for KR molten iron desulphurization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103204148A CN103361459A (en) | 2013-07-26 | 2013-07-26 | Stirring connection device and stirring system for KR molten iron desulphurization method |
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| CN103361459A true CN103361459A (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103204148A Pending CN103361459A (en) | 2013-07-26 | 2013-07-26 | Stirring connection device and stirring system for KR molten iron desulphurization method |
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| CN (1) | CN103361459A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936955A (en) * | 2016-05-31 | 2016-09-14 | 江苏永钢集团有限公司 | Stirring device for hot metal desulfurization |
| CN107988048A (en) * | 2017-11-24 | 2018-05-04 | 绵阳正耀久生物科技有限公司 | A kind of agitating device for bio-fermentation process |
| CN108642242A (en) * | 2018-05-28 | 2018-10-12 | 武汉钢铁有限公司 | A kind of KR blenders quick-mounting device and method |
| CN114100405A (en) * | 2021-12-01 | 2022-03-01 | 马鞍山钢铁股份有限公司 | KR stirrer with high-stability working condition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202152725U (en) * | 2011-07-18 | 2012-02-29 | 湖南湘电长沙水泵有限公司 | Pump thrust component capable of being integrally assembled and disassembled |
| CN202193798U (en) * | 2011-08-26 | 2012-04-18 | 四川省川威集团有限公司 | KR desulphurization stirring device |
| CN203546062U (en) * | 2013-07-26 | 2014-04-16 | 武汉南锐工程技术有限公司 | Stirring connection device and stirring system for KR molten iron desulfurization method |
-
2013
- 2013-07-26 CN CN2013103204148A patent/CN103361459A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202152725U (en) * | 2011-07-18 | 2012-02-29 | 湖南湘电长沙水泵有限公司 | Pump thrust component capable of being integrally assembled and disassembled |
| CN202193798U (en) * | 2011-08-26 | 2012-04-18 | 四川省川威集团有限公司 | KR desulphurization stirring device |
| CN203546062U (en) * | 2013-07-26 | 2014-04-16 | 武汉南锐工程技术有限公司 | Stirring connection device and stirring system for KR molten iron desulfurization method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936955A (en) * | 2016-05-31 | 2016-09-14 | 江苏永钢集团有限公司 | Stirring device for hot metal desulfurization |
| CN105936955B (en) * | 2016-05-31 | 2017-10-31 | 江苏永钢集团有限公司 | A kind of molten iron desulphurization stirring device |
| CN107988048A (en) * | 2017-11-24 | 2018-05-04 | 绵阳正耀久生物科技有限公司 | A kind of agitating device for bio-fermentation process |
| CN108642242A (en) * | 2018-05-28 | 2018-10-12 | 武汉钢铁有限公司 | A kind of KR blenders quick-mounting device and method |
| CN114100405A (en) * | 2021-12-01 | 2022-03-01 | 马鞍山钢铁股份有限公司 | KR stirrer with high-stability working condition |
| CN114100405B (en) * | 2021-12-01 | 2024-04-26 | 马鞍山钢铁股份有限公司 | KR agitator that possesses high stability operating condition |
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Application publication date: 20131023 |