CN107576197B - mechanical transmission submerged arc furnace distributing device - Google Patents
mechanical transmission submerged arc furnace distributing device Download PDFInfo
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- CN107576197B CN107576197B CN201710777806.5A CN201710777806A CN107576197B CN 107576197 B CN107576197 B CN 107576197B CN 201710777806 A CN201710777806 A CN 201710777806A CN 107576197 B CN107576197 B CN 107576197B
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- chute
- planetary gear
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Abstract
the invention discloses a mechanical transmission submerged arc furnace distributing device, which comprises: the planetary gear motor is arranged on the water-cooling central throat pipe, a pinion is arranged on an output shaft of the planetary gear motor, and the planetary gear motor drives the pinion to rotate; the rotary support is arranged on the water-cooling central throat pipe, the inner ring of the rotary support is close to the water-cooling central throat pipe, a gear on the outer ring is meshed with a pinion, and the pinion can drive the rotary support to rotate through the outer ring; the rotating sleeve is connected with the outer ring of the rotating support and rotates the rotating support through a pinion of the planetary gear motor to drive the rotating sleeve to rotate; and the water-cooling chute is connected with the planetary gear motor through a connecting rod of the screw rod hoister, and the planetary gear motor drives the water-cooling chute to swing through the connecting rod of the screw rod hoister. The invention can distribute materials on different ring surfaces, realizes automatic feeding of any point in the submerged arc furnace, has more uniform material distribution, is convenient for realizing large-scale submerged arc furnace, and reduces the internal consumption of the submerged arc furnace.
Description
Technical Field
the invention relates to a submerged arc furnace feeding device, in particular to a mechanical transmission submerged arc furnace distributing device.
background
At present, the domestic submerged arc furnace feeding equipment is mostly in a material pipe type and a rocker type (a manual operation rocker), as shown in figures 1 and 2. The material pipe type feeding mode can only feed materials at fixed points, the coverage of the material surface is not uniform, the space of the smoke hood is limited, and the number of the arranged material pipes is limited. The blanking port of the material pipe is mostly cooled by water, so that the material pipe is very easy to crack and leak water, thereby forming accident potential and influencing the operation rate of equipment; if the feed opening material pipe head does not adopt water cooling, the service life is extremely short, and the material pipe head is burnt out within a few days.
although the rocker type feeding can distribute materials to different positions of the submerged arc furnace, the alpha angle and the beta angle of the chute are judged and positioned by workers according to experience, the workers open the distributing door firstly, and manually control the alpha angle (the inclination angle of the distributing chute) and the beta angle (the circumferential angle of the distributing chute) to distribute the materials by observing the material level condition through feeling, the experience of each worker is different, and the uniformity of the distribution cannot be guaranteed.
Disclosure of Invention
the invention aims to provide a mechanical transmission submerged arc furnace distributor which can automatically feed materials and uniformly distribute the materials.
In order to realize the aim, the specific technical scheme of the mechanical transmission submerged arc furnace distributor provided by the invention is as follows:
A mechanical transmission submerged arc furnace distributing device comprises: the planetary gear motor is arranged on the water-cooling central throat pipe, a pinion is arranged on an output shaft of the planetary gear motor, and the planetary gear motor drives the pinion to rotate; the rotary support is arranged on the water-cooling central throat pipe, the inner ring of the rotary support is close to the water-cooling central throat pipe, a gear on the outer ring is meshed with a pinion, and the pinion can drive the rotary support to rotate through the outer ring; the rotating sleeve is connected with the outer ring of the rotating support and rotates the rotating support through a pinion of the planetary gear motor to drive the rotating sleeve to rotate; and the water-cooling chute is connected with the planetary gear motor through a connecting rod of the screw rod hoister, and the planetary gear motor drives the water-cooling chute to swing through the connecting rod of the screw rod hoister.
The mechanical transmission submerged arc furnace distributing device has the advantages that:
1) the chute beta angle (the circumferential angle of the distribution chute) rotates through the forward rotation or the reverse rotation of the planetary gear motor, the 120-degree distribution range of the chute is realized, the chute alpha angle (the inclination angle of the distribution chute) tilts and drives a screw rod in a screw rod lifter to move up and down through the planetary gear motor, the screw rod is connected with a water-cooling chute through a connecting rod, so that the angle of the water-cooling chute is changed, materials are distributed on different ring surfaces, the automatic feeding of any point in the submerged arc furnace is realized, the material distribution is more uniform, the submerged arc furnace is convenient to realize large-scale, and the internal consumption of the submerged arc furnace is; the safety of operators is ensured, and the manual control of the chute blanking is unsafe because the submerged arc furnace and the accessory equipment are easily electrified.
2) The automatic material distribution device has the capability of distributing materials to any position in the submerged arc furnace, the transmission of an alpha angle and a beta angle is driven by a servo motor through automatic program control, the position of the servo motor can be transmitted back to a control computer in real time, namely, the position of a water-cooling chute can be determined, and the material flow curve speed (the blanking position in the submerged arc furnace corresponding to each position of the chute, the angle positioning is accurate, the full-automatic feeding can be realized, the material distribution is uniform, the combined motion of the alpha angle and the beta angle can realize fan-shaped, fixed-point, multi-circle and single-circle feeding, the material distribution device can realize the feeding duty and thin feeding of the material distribution of the submerged arc furnace, the electricity consumption and the energy consumption are obviously reduced, and the economic benefit of the submerged arc;
3) The cooling effect is good, the central throat pipe is cooled by one path, the rotating sleeve and the chute are cooled by the other path, two-path closed-loop cooling is adopted, all parts in contact with high temperature can be cooled, the chute is connected with the rotating sleeve through the chute hanging device, the connection is reliable, and the cooling effect is good;
4) The distributing device is subjected to insulation treatment, and can reliably work under the condition that the chute touches the electrode and the equipment is electrified;
5) Simple structure, the function is perfect, can realize full automatic material conveying and unmanned operation.
Drawings
FIG. 1 is a schematic structural diagram of a feeding device of a conventional tubular ore furnace;
FIG. 2 is a schematic structural diagram of a feeding device of a rocker type submerged arc furnace in the prior art;
FIG. 3 is a schematic structural view of a mechanical transmission submerged arc furnace distributor according to the present invention;
FIG. 4 is a schematic structural view of a water-cooled central throat according to the present invention;
FIG. 5 is a schematic structural view of a swivel sleeve according to the present invention;
Fig. 6 is a schematic structural view of an insulating assembly according to the present invention.
Detailed Description
in order to better understand the purpose, structure and function of the present invention, a mechanical transmission submerged arc furnace distributor according to the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 3 to 6, which illustrate a distributor of a mechanically-driven submerged arc furnace according to the present invention, the distributor comprises a planetary gear motor 2, a rotary support 4 and a rotary sleeve 9, wherein the planetary gear motor 2 is arranged on a water-cooling central throat 3 and is fixed on a steel plate flange in the middle of the water-cooling central throat 3 through bolts, a pinion 1 is arranged on an output shaft of the planetary gear motor 2, and the planetary gear motor 2 drives the pinion 1 to rotate; the rotary support 4 is arranged on the water-cooling central throat pipe 3 and is connected with a steel plate flange in the middle of the water-cooling central throat pipe 3 through a bolt, the water-cooling central throat pipe 3 is used for transmitting the weight of a part connected with the lower part of the rotary support 4 to the water-cooling central throat pipe 3, the inner ring of the rotary support 4 is close to the water-cooling central throat pipe 3, a gear on the outer ring is meshed with the pinion 1, and the pinion 1 can drive the rotary support 4 to rotate through the outer ring; the rotating sleeve 9 is connected with the outer ring of the rotary support 4 through a bolt, and the rotary support 4 is rotated through the pinion 1 of the planetary gear motor 2 to drive the rotating sleeve 9 to rotate.
further, the rotating sleeve 9 is connected with a lead screw lifting machine support 6, a lead screw lifting machine 5 is arranged on the lead screw lifting machine support 6, a lead screw of the lead screw lifting machine 5 is connected with a planetary gear motor 2, and the lead screw lifting machine is driven by the planetary gear motor 2 to drive a lead screw of the lead screw lifting machine 5 to move up and down.
Further, a flat head of a screw rod of the screw rod hoister 5 is connected with the upper part of the connecting rod 8 through a first pin shaft 7, the lower part of the connecting rod 8 is hinged with the rear part of the water-cooling chute 11 through a second pin shaft 10, and the connecting rod 8 is driven by the screw rod hoister 5 to swing up and down to drive the water-cooling chute 11 to swing.
further, a chute hanging device 12 is arranged at the front part of the water-cooling chute 11, the other end of the chute hanging device 12 is connected with the rotating sleeve 9, and the rotating sleeve 9 is driven by the rotating rotary support 4 to rotate so as to drive the chute hanging device 12 to rotate.
The alpha angle (the inclination angle of the distribution chute) of the distributor moves and drives the connecting rod in the screw rod lifter 5 to move up and down through the planetary gear motor 2, the screw rod of the screw rod lifter is connected with the connecting rod 8, the connecting rod 8 is connected with the water-cooling chute 12 to drive the water-cooling chute 11 to swing so as to change the angle of the water-cooling chute 12, and the materials are distributed on different ring surfaces to realize uniform distribution.
The chute beta angle (the circumferential angle of the distribution chute) drives the pinion 1 and the large gear ring (the outer gear ring of the rotary support 4) to rotate through the planetary gear motor, and the distribution range of 120 degrees of the water-cooling chute is realized through the forward and reverse rotation of the planetary gear motor 2.
in the distribution process, the water-cooling chute 11 may touch three electrodes in the center of the submerged arc furnace, so that the whole distributor is electrified. The alpha angle and beta angle transmission on the distributing device are all motor transmission, and faults are easy to occur in a charged environment, so the invention adopts insulation treatment to prevent the motor from being charged. As shown in fig. 6, a bolt 44 is inserted through the swivel sleeve 9 and the slewing bearing 4 to connect the swivel sleeve 9 and the slewing bearing 4, and one end of the bolt 44 is provided with a washer 45 and a nut for fastening. An insulation assembly is arranged between the rotary support 4 and the rotary sleeve 9, specifically, the insulation assembly comprises a large insulation pad 41 arranged between the outer ring of the rotary support 4 and the rotary sleeve 9, insulation is carried out through the large insulation pad 41, in addition, the insulation assembly further comprises an insulation sleeve 42 arranged between the rotary sleeve 9 and a bolt 44 penetrating through the rotary sleeve 9, and a small insulation pad 43 arranged between the rotary sleeve 9 and a gasket 46 penetrating through the bolt 44. When the water-cooling chute 11 touches the electrode to be electrified, the rotating sleeve 9 is also electrified, in order to prevent the current of the electrified rotating sleeve 9 from being transmitted to the upper part, the metal contact between the rotating sleeve 9 and the upper rotating support 4 is thoroughly isolated through the large and small insulating pads and insulating sleeves between the rotating sleeve 9 and the rotating support 4, between the rotating sleeve 9 and the bolt and between the rotating sleeve 9 and the washer, and the electromechanical condition that the machine cannot be electrified during beta-angle transmission is ensured. In the same principle, an insulation component is also arranged between the lower part of the base of the screw rod lifter 5 and the flat head of the screw rod to ensure insulation during alpha-angle transmission. The distributing device is subjected to insulation treatment, and when the water-cooling chute 11 touches the electrode, the device can still reliably work under the condition of electrification.
Further, two groups of cooling assemblies are arranged in the distributor, one group of cooling assemblies is a cooling central throat 3, as shown in fig. 4, the water-cooling central throat 3 comprises a water inlet pipe 31 and a water outlet pipe 32, cooling water enters the water-cooling central throat 3 from the water inlet pipe 31 to be cooled and is discharged from the water outlet pipe 32, the water-cooling central throat 3 is a cavity formed by welding double-layer steel plates, the interior of the cavity is divided by a vertical partition plate, the cooling water is cooled in a snake-shaped circulation mode, and the water-cooling central throat 3 and the rotary support 4 connected with the water-cooling central throat are mainly used for cooling.
another a set of cooling module is for changeing cover 9 and water-cooling chute 11, as shown in fig. 5, changes the cover including changeing cover inlet tube 91 and changeing cover outlet pipe 92, and water-cooling chute 11 includes chute condenser tube 111, and chute condenser tube 111 sets up between changeing cover inlet tube 91 and changeing cover outlet pipe 92, and the cooling water is cooled off water-cooling chute 11 from changeing cover inlet tube entering chute condenser tube 111 and being discharged from changeing cover outlet pipe 92. In addition, the upper portion of commentaries on classics cover 9 is provided with dull and stereotyped 90, and dull and stereotyped 90 is used for preventing that the part on dull and stereotyped upper portion from receiving the inside heat radiation of ore-smelting furnace, and dull and stereotyped 90's top is provided with baffle 93 perpendicularly, and the bending setting of commentaries on classics cover inlet tube 91 is in the both sides of baffle 93, and the cooling water is snakelike cooling of encircleing through. Meanwhile, the rotating sleeve water inlet pipe 91 and the rotating sleeve water outlet pipe 93 are connected with the chute cooling water pipe 111 through a central pipe, a partition plate is arranged in the central pipe to form a water inlet area and a water outlet area, the rotating sleeve water inlet pipe 91 and the rotating sleeve water outlet pipe 93 are respectively communicated with the water inlet area and the water outlet area on two sides of the central pipe, cooling water enters from the rotating sleeve water inlet pipe 91, enters the chute hanging device 12 through the water inlet area of the central pipe, and flows out from the rotating sleeve water outlet pipe 92 through the water outlet area of the central pipe on the other side after cooling.
The mechanical transmission submerged arc furnace distributing device has the capability of distributing materials to any position in a submerged arc furnace, is controlled by an automatic program, alpha angle transmission and beta angle transmission are driven by a servo motor, the position of the servo motor can be transmitted back to a control computer in real time, namely the position of a water-cooling chute can be determined, and fan-shaped, fixed-point, multi-circle and single-circle feeding can be realized through the material flow curve speed (the feeding position in the submerged arc furnace corresponding to each position of the chute) measured before the furnace is opened.
The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention.
Claims (5)
1. the utility model provides a hot stove distributing device in mechanical transmission ore deposit which characterized in that includes:
The planetary gear motor (2) is arranged on the water-cooling central throat pipe (3), a pinion (1) is arranged on an output shaft of the planetary gear motor (2), and the planetary gear motor (2) drives the pinion (1) to rotate;
The rotary support (4) is arranged on the water-cooling central throat pipe (3), the inner ring of the rotary support (4) is close to the water-cooling central throat pipe (3), a gear on the outer ring is meshed with the pinion (1), and the pinion (1) can drive the rotary support (4) to rotate through the outer ring;
the rotating sleeve (9) is connected with the outer ring of the rotating support (4), and the rotating support (4) is rotated by a pinion (1) of the planetary gear motor (2) to drive the rotating sleeve (9) to rotate;
the water-cooling chute (11) is connected with the planetary gear motor (2) through a connecting rod of the screw rod hoister (5), and the planetary gear motor (2) drives the water-cooling chute (11) to swing through the connecting rod of the screw rod hoister (5);
Wherein, rotating sleeve (9) and lead screw lifting machine support (6) link to each other, lead screw lifting machine (5) set up on lead screw lifting machine support (6), the flat head of the lead screw of lead screw lifting machine (5) links to each other through the upper portion of first round pin axle (7) with connecting rod (8), the lower part of connecting rod (8) is articulated through the rear portion of second round pin axle (10) with water-cooling chute (11), drive connecting rod (8) luffing motion through lead screw lifting machine (5) and drive water-cooling chute (11) swing.
2. The mechanical transmission submerged arc furnace distributing device according to claim 1, characterized in that the front part of the water cooling chute (11) is provided with a chute hanging device (12), the other end of the chute hanging device (12) is connected with the rotating sleeve (9), and the rotating sleeve (9) is driven by the rotary support (4) to rotate so as to drive the chute hanging device (12) to rotate.
3. The mechanically driven submerged arc furnace distributor according to claim 1, characterized in that an insulating assembly is arranged between the rotary support (4) and the rotary sleeve (9).
4. the mechanically driven submerged arc furnace distributor according to claim 3, wherein the insulation assembly comprises:
The large insulating pad (41) is arranged between the outer ring of the rotary support (4) and the rotary sleeve (9);
The insulating sleeve (42) is arranged between the rotating sleeve (9) and a bolt (44) penetrating through the rotating sleeve (9);
and a small insulating pad (43) arranged between the rotary sleeve (9) and a washer (46) passing through the bolt (44).
5. The mechanically driven submerged arc furnace distributor according to claim 1, wherein two sets of cooling modules are provided in the distributor, respectively:
The cooling central throat pipe (3) comprises a water inlet pipe (31) and a water outlet pipe (32), and cooling water enters the water cooling central throat pipe (3) from the water inlet pipe (31) for cooling and is discharged from the water outlet pipe (32);
change cover (9) and water-cooling chute (11), change the cover including changeing cover inlet tube (91) and changeing cover outlet pipe (92), water-cooling chute (11) are including chute cooling water pipe (111), and chute cooling water pipe (111) set up between changeing cover inlet tube (91) and changeing cover outlet pipe (92), and the cooling water cools off water-cooling chute (11) and discharges from changeing cover outlet pipe (92) in getting into chute cooling water pipe (111) from changeing the cover inlet tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710777806.5A CN107576197B (en) | 2017-09-01 | 2017-09-01 | mechanical transmission submerged arc furnace distributing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710777806.5A CN107576197B (en) | 2017-09-01 | 2017-09-01 | mechanical transmission submerged arc furnace distributing device |
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| Publication Number | Publication Date |
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| CN107576197A CN107576197A (en) | 2018-01-12 |
| CN107576197B true CN107576197B (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710777806.5A Active CN107576197B (en) | 2017-09-01 | 2017-09-01 | mechanical transmission submerged arc furnace distributing device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108981408A (en) * | 2018-09-12 | 2018-12-11 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Novel mineral hot furnace and its smoke sealing device |
| CN109297307A (en) * | 2018-10-09 | 2019-02-01 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Half-closed mineral hot furnace automatic distributing device |
| CN110608613A (en) * | 2019-09-04 | 2019-12-24 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Novel rotary driving mechanism of submerged arc furnace feeding system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2332730Y (en) * | 1998-07-27 | 1999-08-11 | 冶金工业部包头钢铁设计研究院 | Blast furnace distribution appts. of ball-screw driving chute |
| CN2651258Y (en) * | 2003-09-10 | 2004-10-27 | 石家庄三环阀门股份有限公司 | Balanced blast furnace top sluice distributing device |
| CN2900545Y (en) * | 2006-05-12 | 2007-05-16 | 牛京印 | Screw synchronous lifting drag ring type distributor |
| CN100491542C (en) * | 2007-03-09 | 2009-05-27 | 清华大学 | Rotary blast furnace material-free bell furnace top distributing gear |
| CN201762346U (en) * | 2010-05-19 | 2011-03-16 | 中冶东方工程技术有限公司 | Blast furnace distributing device of mechanical hydraulic group drive chute |
| CN102827975B (en) * | 2012-09-08 | 2015-01-21 | 蔡乐松 | Bell-less distributor on top of blast furnace |
| CN203295533U (en) * | 2013-05-14 | 2013-11-20 | 中冶南方工程技术有限公司 | Blast furnace top distributor based on screw rod mechanism |
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2017
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