CN111811283A - Automatic pitching rotating material distribution device of electric furnace - Google Patents
Automatic pitching rotating material distribution device of electric furnace Download PDFInfo
- Publication number
- CN111811283A CN111811283A CN202010775842.XA CN202010775842A CN111811283A CN 111811283 A CN111811283 A CN 111811283A CN 202010775842 A CN202010775842 A CN 202010775842A CN 111811283 A CN111811283 A CN 111811283A
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- Prior art keywords
- sealing
- seat
- electric furnace
- water
- chute
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/10—Charging directly from hoppers or shoots
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/007—Cooling of charges therein
- F27D2009/0081—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge)
- F27D2009/0083—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge) the fluid being water
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
An automatic pitching rotating material distribution device of an electric furnace comprises the electric furnace, wherein a smoke hood is arranged on the periphery of a feed inlet of the electric furnace, a hollow sealing seat is movably arranged at an upper opening of the smoke hood, a slewing bearing is fixed on the sealing seat, a connecting seat is fixed on an inner ring of the slewing bearing, a speed reducing motor is arranged on one side of the connecting seat, and an output shaft of the speed reducing motor is in transmission connection with an outer ring of the slewing bearing and is used for driving the sealing seat to rotate at a low speed at the upper opening of the smoke hood; a U-shaped hinge seat is arranged at the center below the sealing seat, and a chute is hinged on the hinge seat; an oil cylinder support is fixed on the sealing seat, a hydraulic cylinder is hinged on the oil cylinder support, and the lower end of a piston rod of the hydraulic cylinder is inserted into the smoke hood through a connecting rod and is hinged with the upper end of the chute and used for driving the chute to realize pitching motion. The device can realize the automatic rotation and pitching action of the chute, and achieve the purposes of uniform distribution and consistent thickness; the operation of workers in front of the furnace can be avoided, the safety of equipment can be improved, the labor intensity of the workers and the smelting power consumption are reduced, and the labor efficiency is improved.
Description
Technical Field
The invention relates to the field of electric furnace equipment, in particular to an automatic pitching rotating material distribution device for an electric furnace.
Background
At present, the domestic silicon submerged arc furnace only adopts a semi-closed electric furnace due to the smelting property, the charging is generally intermittent charging, manual furnace pounding and material pushing are assisted to realize the uniformity of material distribution, and the smelting effect is ensured.
The furnace door needs to be opened when the furnace is stoked and pushed manually, the electric furnace cannot be powered off during smelting, a great deal of dangers such as high-temperature radiation, dust pollution, high voltage and the like exist during the work of workers, the working environment of the workers is extremely severe, the labor intensity is high, the labor efficiency of the workers is low, and meanwhile due to the limitation of manual operation, the manual work of part of material distribution areas is difficult to process, and the problems of uneven material distribution or insufficient material distribution exist.
Disclosure of Invention
The invention aims to solve the technical problem of providing the automatic pitching and rotating material distribution device of the electric furnace, which has uniform material distribution, can reduce the labor intensity of workers and improve the labor efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic pitching rotary material distribution device of an electric furnace comprises the electric furnace, wherein a smoke hood is arranged on the periphery of a feed inlet of the electric furnace, a rotatable hollow sealing seat is movably arranged at an upper opening of the smoke hood, a slewing bearing is fixed on the sealing seat, a connecting seat is fixed on an inner ring of the slewing bearing, a speed reduction motor is arranged on one side of the connecting seat, and an output shaft of the speed reduction motor is in transmission connection with an outer ring of the slewing bearing and is used for driving the sealing seat to rotate at a low speed at the upper opening of the smoke hood; a U-shaped hinge seat is arranged at the center below the sealing seat, and a chute is hinged on the hinge seat;
an oil cylinder support is fixed on the sealing seat, a hydraulic cylinder is hinged on the oil cylinder support, and the lower end of a piston rod of the hydraulic cylinder is inserted into the smoke hood through a connecting rod and is hinged with the upper end of the chute and used for driving the chute to realize pitching motion.
Preferably, the smoke hood is of a tubular structure, an annular water jacket is arranged in the pipe wall of the smoke hood, and a water inlet and a water outlet are respectively arranged on two sides of the outer wall of the smoke hood so as to realize water cooling of the smoke hood.
Preferably, the periphery of the feed inlet of the electric furnace is provided with an annular boss with a stepped inner hole formed by ramming materials, and the lower end of the smoke hood is inserted into the annular boss.
As further preferred, be fixed with the sealing ring at petticoat pipe outer fringe upper end, the sealing ring forms an annular seal groove with the petticoat pipe to it has sealed sand to fill in the seal groove, the welding of the annular bottom plate outer fringe of seal receptacle has the seal cover and inserts in the sealed sand in the seal groove through the seal cover, in order to realize sealed.
Preferably, the outer edge of the annular bottom plate of the sealing seat is wrapped with sealing cotton to improve the sealing effect.
Preferably, the output shaft of the reduction motor is in transmission connection with the outer ring of the slewing bearing through a gear pair, a pinion of the gear pair is mounted on the output shaft of the reduction motor, and a gearwheel of the gear pair is arranged on the outer edge of the outer ring of the slewing bearing.
Preferably, the front part of the upper end of the chute is hinged on the hinge seat through two symmetrically arranged water-cooling rotary joints, and water jacket interlayers communicated with water cavities in the water-cooling rotary joints are arranged in three groove walls of the chute, so that the service life is prolonged.
As further preferred, gear motor and pneumatic cylinder are located the left and right both sides of connecting seat respectively, the pneumatic cylinder adopts water-cooled pneumatic cylinder to improve life.
Preferably, the sealing seat is formed by sequentially welding an annular bottom plate, a connecting sleeve and a connecting disc from bottom to top, and cooling water jackets are arranged in the annular bottom plate and the connecting sleeve to introduce cooling water to realize cooling.
Preferably, the water-cooling rotary joint comprises a hollow shaft, one end of the hollow shaft is welded with a flange and fixed on the inner side of one end of the opening of the hinge seat through a bolt, the hollow shaft penetrates out of the hinge seat and is provided with an outer sleeve through a sliding bearing, and an annular water cavity is formed in the outer sleeve; the outer end of the central hole of the hollow shaft is communicated with the annular water cavity, and the inner end of the central hole of the hollow shaft is communicated with the cooling water jacket in the connecting sleeve through a water pipe; the front parts of the upper ends of the two side plate surfaces of the chute are respectively welded on the corresponding outer sleeve walls of the outer sleeves, and the annular water cavity is communicated with a water jacket interlayer in the chute through a through hole arranged on the outer sleeve walls of the outer sleeves.
The invention has the beneficial effects that:
1. because the speed reducing motor is arranged on one side of the connecting seat, the output shaft of the speed reducing motor is in transmission connection with the outer ring of the slewing bearing and is used for driving the sealing seat to rotate at a low speed at the upper opening of the smoke hood; an integrated U-shaped hinge seat is arranged at the center below the sealing seat, a chute is hinged on the hinge seat, and the sealing seat is driven to rotate at a low speed through a speed reduction motor so as to drive the hinge seat and the chute to rotate at a low speed; because the oil cylinder support is fixed on the sealing seat, the hydraulic cylinder is hinged on the oil cylinder support, and the lower end of the piston rod of the hydraulic cylinder is inserted into the smoke hood through the connecting rod and is hinged with the upper end of the chute, the chute can be driven to rotate and simultaneously realize pitching action through the hydraulic cylinder; the automatic rotation and pitching freedom of the chute can be realized, and the uniform distribution and the consistent thickness are achieved.
2. The operation of workers in front of the furnace can be avoided, the safety of equipment can be improved, the labor intensity of the workers and the smelting power consumption are reduced, and the labor efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a left side view of fig. 1 with the smoke cage removed.
Fig. 3 is a structural sectional view of the water-cooled rotary joint of fig. 2.
Fig. 4 is a perspective view of the present invention.
Fig. 5 is a partially enlarged view of fig. 1.
Fig. 6 is a top view of fig. 5.
In the figure: the electric furnace comprises an electric furnace 1, a smoke hood 2, an annular water jacket 201, a pin shaft 3, a sealing seat 4, an annular bottom plate 401, a connecting sleeve 402, a connecting disc 403, a sealing sleeve 404, a cylinder support 5, a pin shaft 6, a hydraulic cylinder 7, an electric furnace material pipe 8, a connecting seat 9, a speed reducing motor 10, a connecting plate 11, a gear pair 12, a slewing bearing 13, sealing cotton 14, sealing sand 15, a sealing ring 16, an annular boss 17, a hinged seat 18, a water-cooling rotary joint 19, a chute 20, a connecting rod 21, a heat insulation plate 22, a water pipe 23, a fixing support 24, a sealing box 25, a sealing plate 26, a hollow shaft 191, a bearing pressure plate 192, a sealing cover plate 193, an outer sleeve.
Detailed Description
As shown in fig. 1-6, the automatic pitching rotating material distribution device for the electric furnace comprises an electric furnace 1, a smoke hood 2 is arranged on the periphery of a feed inlet of the electric furnace 1, an annular boss 17 with a step-shaped inner hole built by tamping materials is arranged on the periphery of the feed inlet of the electric furnace 1, and the lower end of the smoke hood 2 is inserted into the annular boss 17.
The smoke hood 2 is of a tubular structure, an annular water jacket 201 is arranged in the pipe wall of the smoke hood 2, and a water inlet and a water outlet which are communicated with the annular water jacket 201 are respectively arranged on two sides of the outer wall of the smoke hood 2 so as to realize water cooling of the smoke hood 2. The upper end of the outer edge of the smoke hood 2 is fixedly welded with a sealing ring 16, the sealing ring 16 and the smoke hood 2 form an annular sealing groove, and sealing sand 15 is filled in the sealing groove.
The upper opening of the smoke hood 2 is movably provided with a rotatable hollow sealing seat 4, the sealing seat 4 is formed by sequentially welding an annular bottom plate 401, a connecting sleeve 402 and a connecting disc 403 from bottom to top, cooling water jackets which are communicated with each other are arranged in the annular bottom plate 401 and the connecting sleeve 402, and a water inlet and a water outlet which are communicated with the cooling water jackets are arranged on the connecting sleeve 402 so as to be introduced with cooling water to realize cooling. The sealing sleeve 404 is welded on the outer edge of the annular bottom plate 401 of the sealing seat 4 and is inserted into the sealing sand 15 in the sealing groove through the sealing sleeve 404, so as to realize sealing. The outer edge of the annular bottom plate 401 of the sealing seat 4 is wrapped with sealing cotton 14 to improve the sealing effect.
A rotary support 13 is fixed on the upper surface of the connecting disc of the sealing seat 4, and the outer ring of the rotary support 13 is fixedly connected with the connecting disc through bolts uniformly distributed on the circumference. A connecting seat 9 is fixed on the inner ring of the slewing bearing 13, the main body of the connecting seat 9 is tubular and is inserted into the inner ring of the slewing bearing 13, and the connecting seat 9 is connected with the inner ring of the slewing bearing 13 through a connecting plate 11 welded on the outer edge of the connecting seat by bolts. A speed reducing motor 10 is arranged on the connecting plate 11 and positioned on one side of the connecting seat 9, and an output shaft of the speed reducing motor 10 is in transmission connection with an outer ring of a slewing bearing 13 through a gear pair 12 and is used for driving the sealing seat 4 to rotate at a low speed at the upper opening of the smoke hood 2. The small gear of the gear pair 12 is mounted on the output shaft of the speed reducing motor 10, and the large gear of the gear pair 12 is arranged on the outer edge of the outer ring of the slewing bearing 13 and is of an integral structure.
The outer edge of the upper end of the connecting seat 9 is welded with a connecting flange and is connected with the electric furnace material pipe 8 through the connecting flange and a bolt, and the electric furnace material pipe 8 is fixedly supported on the electric furnace through two fixing supports 24 which are symmetrically arranged and used for feeding materials. A U-shaped hinged seat 18 is welded at the center of the lower surface of an annular bottom plate 401 of a sealing seat 4, a water jacket is arranged in the hinged seat 18 and is communicated with a cooling water jacket in the annular bottom plate 401, a slide-shaped chute 20 is hinged on the hinged seat 18 through two symmetrically arranged water-cooling rotary joints 19, and water jacket interlayers are arranged in three wall surfaces of the chute 20 to prolong the service life.
The water-cooling rotary joint 19 comprises a hollow shaft 191, one end of the hollow shaft 191 is welded with a flange 196 and is fixed on the inner side of one end of an opening of the hinge seat 18 through a bolt, the hollow shaft 191 penetrates out of the hinge seat 18 and is provided with an outer sleeve 194 through a sliding bearing 195, the outer sleeve 194 is formed by concentrically connecting an outer cylinder and an inner cylinder and forms an annular water cavity 197, and a sealing cover plate 193 is fixed on an outer port of the outer cylinder through a screw and is used for sealing the annular water cavity; and a bearing pressure plate 192 is fixed at the outer port of the inner cylinder through a screw and used for limiting the sliding bearing. The outer end of the central hole of the hollow shaft 191 is communicated with the annular water cavity 197, and the inner end of the central hole of the hollow shaft 191 is connected with a water pipe 23 and is communicated with the cooling water jacket in the connecting sleeve 402 by penetrating through the annular bottom plate 401 through the water pipe 23. The front parts of the upper ends of the two side plate surfaces of the chute 20 are respectively welded on the corresponding outer cylinder walls of the outer sleeves 194, and the annular water cavities 197 are communicated with the water jacket interlayer in the chute 20 through holes arranged on the outer cylinder walls of the outer sleeves 194. During operation, cooling water in the connecting sleeve 402 enters the water jacket interlayer in the chute 20 through the water pipe 23 and the water-cooled rotary joint 19 on the left side, and returns to the cooling water jacket in the connecting sleeve 402 through the water-cooled rotary joint 19 on the right side and the water pipe 23 after filling the water jacket interlayer in the chute 20.
An oil cylinder support 5 is welded or bolted and fixed on the annular bottom plate of the sealing seat 4, a hydraulic cylinder 7 is hinged on the oil cylinder support 5 through a pin shaft 6, the lower end of a piston rod of the hydraulic cylinder 7 is connected with a connecting rod 21 through a flange and a bolt, and a heat insulation plate 22 made of heat insulation materials is clamped between the two flanges and used for preventing the high temperature of the connecting rod 21 from being conducted to the hydraulic cylinder 7 to cause damage to the hydraulic cylinder. The lower end of the connecting rod 21 penetrates through the annular bottom plate of the sealing seat 4 and then is inserted into the smoke hood 2 and is hinged with the upper end of the rear side of the chute 20 through a pin shaft 3, and the connecting rod is used for driving the chute 20 to realize pitching motion.
A sealing box 25 is fixed on the annular bottom plate 401 corresponding to the connecting rod, the sealing box 25 is formed by two bodies in a butt joint mode, and a strip-shaped long hole is formed in the butt joint position and used for penetrating through the connecting rod 21. The sealing plate 26 capable of sliding transversely along the sealing box is arranged in the sealing box 25, the sealing plate 26 is formed by compounding a mica plate and a refractory ceramic fiber plate, and the sealing plate 26 is provided with a through hole matched with the connecting rod 21 and sleeved on the connecting rod 21 for realizing high temperature resistance and sealing.
During operation, materials enter the connecting seat 9 through the electric furnace material pipe 8 and fall through the central hole of the sealing seat 4, so that the materials fall into the chute and slide into the electric furnace along the chute. The hydraulic cylinder 7 is started to reciprocate and stretch, the chute is pushed to rotate by taking the water-cooling rotary joint 19 as an axis through the connecting rod, and the vertical pitching motion of the chute can be realized. And meanwhile, the speed reducing motor 10 is started, and the outer ring of the slewing bearing 13 is driven to rotate through the transmission of the gear pair, so that the sealing seat 4, and the hydraulic cylinder 7 and the chute which are arranged on the sealing seat 4 are driven to rotate. Therefore, the chute can pitch and rotate at the same time, and the materials are arranged in a fan-shaped area, so that the uniform distribution and the consistent thickness are achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides an automatic rotatory distributing device of every single move of electric stove, includes the electric stove, characterized by: a smoke hood is arranged at the periphery of a feed port of the electric furnace, a rotatable hollow sealing seat is movably installed at an upper opening of the smoke hood, a slewing bearing is fixed on the sealing seat, a connecting seat is fixed on an inner ring of the slewing bearing, a speed reducing motor is arranged at one side of the connecting seat, and an output shaft of the speed reducing motor is in transmission connection with an outer ring of the slewing bearing and is used for driving the sealing seat to rotate at a low speed at the upper opening of the smoke hood; a U-shaped hinge seat is arranged at the center below the sealing seat, and a chute is hinged on the hinge seat;
an oil cylinder support is fixed on the sealing seat, a hydraulic cylinder is hinged on the oil cylinder support, and the lower end of a piston rod of the hydraulic cylinder is inserted into the smoke hood through a connecting rod and is hinged with the upper end of the chute and used for driving the chute to realize pitching motion.
2. The automatic pitching rotary material distribution device of the electric furnace according to claim 1, characterized in that: the smoke hood is of a tubular structure, an annular water jacket is arranged in the pipe wall of the smoke hood, and a water inlet and a water outlet are respectively arranged on two sides of the outer wall of the smoke hood so as to realize water cooling of the smoke hood.
3. The automatic pitching rotary material distribution device of the electric furnace according to claim 2, characterized in that: the periphery of a feed inlet of the electric furnace is provided with an annular boss with a stepped inner hole built by tamping materials, and the lower end of the smoke hood is inserted into the annular boss.
4. The automatic pitching rotary material distribution device for the electric furnace according to the claims 1 to 3, characterized in that: the sealing device is characterized in that a sealing ring is fixed at the upper end of the outer edge of the smoke hood, the sealing ring and the smoke hood form an annular sealing groove, sealing sand is filled in the sealing groove, and a sealing sleeve is welded at the outer edge of an annular bottom plate of the sealing seat and is inserted into the sealing sand in the sealing groove through the sealing sleeve to realize sealing.
5. The automatic pitching rotary material distribution device for the electric furnace according to claim 4, wherein: the outer edge of the annular bottom plate of the sealing seat is wrapped with sealing cotton to improve the sealing effect.
6. The automatic pitching rotary material distribution device of the electric furnace according to claim 1, characterized in that: the output shaft of the speed reducing motor is in transmission connection with the outer ring of the slewing bearing through a gear pair, a pinion of the gear pair is installed on the output shaft of the speed reducing motor, and a bull gear of the gear pair is arranged on the outer edge of the outer ring of the slewing bearing.
7. The automatic pitching rotary material distribution device of the electric furnace according to claim 1, characterized in that: the front part of the upper end of the chute is hinged on the hinged seat through two symmetrically arranged water-cooling rotary joints, and a water jacket interlayer communicated with a water cavity in the water-cooling rotary joint is arranged in three groove walls of the chute, so that the service life is prolonged.
8. The automatic pitching rotary material distribution device of the electric furnace according to claim 1, characterized in that: gear motor and pneumatic cylinder are located the left and right both sides of connecting seat respectively, the pneumatic cylinder adopts water-cooled pneumatic cylinder to improve life.
9. The automatic pitching rotary material distribution device of the electric furnace according to claim 1 or 5, characterized in that: the sealing seat is formed by sequentially welding an annular bottom plate, a connecting sleeve and a connecting disc from bottom to top, and cooling water jackets are arranged in the annular bottom plate and the connecting sleeve to introduce cooling water to realize cooling.
10. The automatic pitching rotary material distribution device for the electric furnace according to claim 7, wherein: the water-cooling rotary joint comprises a hollow shaft, one end of the hollow shaft is welded with a flange and is fixed on the inner side of one end of the opening of the hinge seat through a bolt, the hollow shaft penetrates out of the hinge seat and is provided with an outer sleeve through a sliding bearing, and an annular water cavity is formed in the outer sleeve; the outer end of a central hole of the hollow shaft is communicated with the annular water cavity, and the inner end of the central hole of the hollow shaft is communicated with the cooling water jacket in the sealing seat through a water pipe; the front parts of the upper ends of the two side plate surfaces of the chute are respectively welded on the corresponding outer sleeve walls of the outer sleeves, and the annular water cavity is communicated with a water jacket interlayer in the chute through a through hole arranged on the outer sleeve walls of the outer sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010775842.XA CN111811283A (en) | 2020-08-05 | 2020-08-05 | Automatic pitching rotating material distribution device of electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010775842.XA CN111811283A (en) | 2020-08-05 | 2020-08-05 | Automatic pitching rotating material distribution device of electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111811283A true CN111811283A (en) | 2020-10-23 |
Family
ID=72863046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010775842.XA Pending CN111811283A (en) | 2020-08-05 | 2020-08-05 | Automatic pitching rotating material distribution device of electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111811283A (en) |
-
2020
- 2020-08-05 CN CN202010775842.XA patent/CN111811283A/en active Pending
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