Full-dry type furnace cover of iron alloy refining furnace

Abstract

The invention relates to the field of furnace covers, in particular to an iron alloy refining furnace full-dry type furnace cover which comprises a furnace cover body and a feeding opening formed in the middle of the upper end of the furnace cover body in a penetrating mode, the upper end of the feeding opening fixedly communicates with a bearing frame, and the lower end of the bearing frame is fixed to the furnace cover body; a feeding seat is slidably mounted in the bearing frame, the lower end of the feeding seat is attached to the inner bottom face of the bearing frame, a reciprocating pushing part is arranged between the feeding seat and the bearing frame, the upper end of the bearing frame is connected with an extending hopper, the extending hopper is obliquely arranged, and the lower end face of the extending hopper is attached to the upper end face of the feeding seat. A material groove is formed in the edge of the upper end of the feeding base and extends to the lower end face of the feeding base, the lower end of the extension hopper corresponds to the material groove, and a resonance part is arranged between the feeding base and the extension hopper. According to the feeding device, the feeding convenience is improved, and normal feeding is guaranteed.

Description

Technical Field

[0001] The invention relates to the field of furnace covers, and in particular to a fully dry furnace cover for a ferroalloy refining furnace. Background Art

[0002] Ferroalloy refining furnace is a device that further reduces impurities in ferroalloys through reducing reactions at high temperatures to improve the purity and quality of ferroalloys. When the ferroalloy refining furnace is working, it introduces electrical energy into the furnace through electrodes, generates arcs and resistance heat, and heats the ferroalloy scraps to a molten state. In the molten state, impurities in the ferroalloy are further reduced through reducing reactions, thereby improving the purity and quality of the ferroalloy. The fully dry furnace cover mainly plays the role of carrying electrodes, etc., and plays a vital role in the ferroalloy refining furnace.

[0003] The feeding port of the existing full-dry furnace cover is mostly located in the middle of the cover body. When feeding, it is easily blocked by the cover body, making feeding inconvenient. At the same time, since the added material is ferroalloy scraps, the scraps often block the feeding port during feeding and require workers to clear it, which increases the difficulty of feeding. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a fully dry furnace cover for an iron alloy refining furnace.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is: a fully dry furnace cover of an ferroalloy refining furnace, comprising a furnace cover body and a feeding port that runs through the middle of the upper end of the furnace cover body, the upper end of the feeding port is fixedly connected to a supporting frame, the lower end of the supporting frame is fixed to the furnace cover body, a feeding seat is slidably installed inside the supporting frame, the lower end of the feeding seat is fitted with the inner bottom surface of the supporting frame, a reciprocating pushing member is arranged between the feeding seat and the supporting frame, the upper end of the supporting frame is connected to an extension bucket, the extension bucket is inclined, the lower end surface of the extension bucket is fitted with the upper end surface of the feeding seat, a material trough is opened at the upper end edge of the feeding seat, the material trough extends to the lower end surface of the feeding seat, the lower end of the extension bucket corresponds to the material trough, and a resonance member is arranged between the feeding seat and the extension bucket.

[0006] Preferably, three electrode holes are arranged in a circular array through the middle of the upper end of the furnace cover body, and the three electrode holes are located on the outside of the feeding port. Two smoke exhaust holes are symmetrically arranged through the edge of the upper end surface of the furnace cover body. Five operating doors are installed on the outer surface of the furnace cover body. An automatic large furnace door is installed on the outer surface of the furnace cover body, and the automatic large furnace door is staggered with the operating door.

[0007] Preferably, the front and rear end faces of the feeding seat are extended with guide ridges, the front and rear end faces of the supporting frame are provided with guide grooves, the guide ridges are slidably installed inside the guide grooves, and a fixed bucket frame is fixedly installed in the middle of the side of the extended bucket, and the lower end of the fixed bucket frame is fixed to the supporting frame.

[0008] Preferably, the resonant member includes a tooth plate installed on the front and rear end surfaces of the supporting frame, the tooth plate is located below the guide groove, the upper portion of the tooth plate is meshed with a rolling gear, a supporting rod is coaxially penetrated and inlaid inside the rolling gear, one end of the supporting rod is rotatably connected to the guide ridge, and a sphere is elastically mounted on the outer surface of the supporting rod near the rolling gear.

[0009] Preferably, a No. 1 resonance frame is fixedly installed on the lower part of the front and rear end surfaces of the extended bucket, a No. 2 resonance frame is fixedly installed on the upper part of the front and rear end surfaces of the extended bucket, a knocking plate is fixedly installed between the lower end of the No. 1 resonance frame and the lower end of the No. 2 resonance frame, and the top of the sphere is higher than the lower end surface of the knocking plate.

[0010] Preferably, two plate fixing seats are symmetrically fixedly installed on the lower end of the tooth plate, the ends of the plate fixing seats are fixed to the supporting frame, the other end of the supporting rod is rotatably installed with a rod seat, the end of the rod seat is fixed to the guide ridge, the lower end of the sphere is fixedly installed with a spring body, the lower end of the spring body is fixedly installed with a spring seat, and the spring seat is embedded in the outer surface of the supporting rod.

[0011] Preferably, the reciprocating pusher includes a driving shaft that passes through and is rotatably installed at a corner on one side of the supporting frame, a pushing frame is extended from one end of the driving shaft, the end of the pushing frame is connected to a connecting frame, the end of the connecting frame is connected to the middle part of the side of the feeding seat, a servo motor is connected to the rear end edge of the supporting frame, and the output end of the servo motor is connected to the driving shaft.

[0012] Preferably, a No. 2 connecting shaft is rotatably installed on one end of the connecting frame, and the No. 2 connecting shaft is inserted through and embedded in the end of the pushing and rotating frame, and a No. 1 connecting shaft is rotatably installed on the other end of the connecting frame, and concave seats are embedded at both ends of the No. 1 connecting shaft, and the side surfaces of the concave seats are fixed to the feeding seat, a small pulley is coaxially fixedly installed on the output end of the servo motor, and a large pulley is coaxially embedded on the other end of the driving shaft, a belt is connected between the small pulley and the large pulley, and a motor frame is fixedly installed on the lower end of the servo motor, and the end of the motor frame is fixed to the supporting frame.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. By using the inclined extension bucket, the feeding position can be extended to the outside of the furnace cover body, so that it can avoid being blocked by the furnace cover body when feeding, so as to facilitate feeding. At the same time, under the action of the rotating drive shaft, it can drive the push frame to rotate, and then drive the connecting frame to move, so as to push the feeding seat, so that the feeding seat can slide back and forth in the bearing frame, so that the ferroalloy fragments in the extension bucket can enter the material trough, and under the push of the feeding seat, the ferroalloy fragments in the material trough are pushed to the top of the feeding port, so that they fall into the feeding port, and then the feeding seat is reset, so that the ferroalloy fragments in the extension bucket continue to enter the material trough, so as to carry out continuous small amount of feeding in this cycle, so as to avoid the phenomenon of blocking the feeding port during feeding, thereby further improving the convenience of feeding.

[0014] 2. When the feeding seat is reciprocating to add materials, the bearing rod will reciprocate synchronously. At this time, the rolling gear will continuously roll on the tooth plate to drive the ball on the bearing rod to rotate, so that the rotating ball will continuously knock on the knocking plate to generate vibration, so that the vibration force is transmitted to the extension bucket through the No. 1 resonance frame and the No. 2 resonance frame to drive the extension bucket to vibrate, so that the ferroalloy scraps in the extension bucket can slide down smoothly, thereby ensuring the normal feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of a fully dry furnace cover of an ferroalloy refining furnace according to the present invention; Figure 2 It is a schematic diagram of a bearing frame of a fully dry furnace cover of an ferroalloy refining furnace according to the present invention; Figure 3 It is a schematic diagram of the sphere of a fully dry furnace cover of an ferroalloy refining furnace according to the present invention; Figure 4 It is a schematic diagram of a servo motor of a fully dry furnace cover of an ferroalloy refining furnace according to the present invention; Figure 5 It is a schematic diagram of a bearing frame of a fully dry furnace cover of an ferroalloy refining furnace according to the present invention; Figure 6 This is a connection view of an extended bucket and a feeding seat of a fully dry furnace cover of a ferroalloy refining furnace of the present invention.

[0016] In the figure: 1. furnace cover body; 2. charging port; 3. extension bucket; 4. bearing frame; 5. guide groove; 6. guide ridge; 7. feeding seat; 8. push frame; 9. sphere; 10. servo motor; 11. No. 1 resonance frame; 12. knocking plate; 13. fixed bucket frame; 14. No. 2 resonance frame; 15. small pulley; 16. large pulley; 17. belt; 18. motor frame; 19. connecting frame; 20. concave seat; 21. No. 1 connecting shaft; 22. No. 2 connecting shaft; 23. driving shaft; 24. spring body; 25. spring seat; 26. bearing rod; 27. rolling gear; 28. rod seat; 29. ​​plate fixed seat; 30. tooth plate; 31. material trough; 32. operating door; 33. automatic large furnace door; 34. electrode hole; 35. smoke exhaust hole. DETAILED DESCRIPTION

[0017] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0018] like Figure 1-Figure 6 The fully dry furnace cover of an ferroalloy refining furnace shown in the figure comprises a furnace cover body 1 and a feeding port 2 which is arranged through the middle of the upper end of the furnace cover body 1. The feeding port 2 plays a role of feeding. The upper end of the feeding port 2 is fixedly connected with a bearing frame 4. The lower end of the bearing frame 4 is fixed to the furnace cover body 1. A feeding seat 7 is slidably installed inside the bearing frame 4. The bearing frame 4 plays a role of supporting the feeding seat 7. The lower end of the feeding seat 7 is in contact with the inner bottom surface of the bearing frame 4, which can ensure that the ferroalloy scraps are pushed normally. A reciprocating pusher is arranged between the feeding seat 7 and the bearing frame 4. The feeding seat 7 plays a role of pushing the ferroalloy scraps. The upper end of the supporting frame 4 is connected with an extension bucket 3, which is inclined. The extension bucket 3 can extend the feeding position to the outside of the furnace cover body 1, so that it can avoid being blocked by the furnace cover body 1 when feeding. The extension bucket 3 can also load and guide the ferroalloy scraps. The lower end surface of the extension bucket 3 is attached to the upper end surface of the feeding seat 7. A material trough 31 is provided at the upper end edge of the feeding seat 7. The material trough 31 plays a role in loading the ferroalloy scraps. The material trough 31 extends to the lower end surface of the feeding seat 7. The lower end of the extension bucket 3 corresponds to the material trough 31. A resonance member is provided between the feeding seat 7 and the extension bucket 3.

[0019] Three electrode holes 34 are arranged in a circular array in the middle of the upper end of the furnace cover body 1. The three electrode holes 34 are located on the outside of the charging port 2. The electrode holes 34 serve to connect with the electrodes. Two smoke exhaust holes 35 are symmetrically arranged at the edge of the upper end surface of the furnace cover body 1. The smoke exhaust holes 35 serve to exhaust smoke. Five operating doors 32 are installed on the outer surface of the furnace cover body 1. An automatic large furnace door 33 is installed on the outer surface of the furnace cover body 1. Both the operating door 32 and the automatic large furnace door 33 serve to facilitate operation. The automatic large furnace door 33 is staggered with the operating door 32.

[0020] The front and rear end faces of the feeding seat 7 are extended with guiding ridges 6, and the front and rear end faces of the supporting frame 4 are provided with guiding grooves 5. The guiding ridges 6 and the guiding grooves 5 serve to guide the feeding seat 7. The guiding ridges 6 are slidably installed inside the guide grooves 5. A fixed bucket frame 13 is fixedly installed in the middle of the side of the extended bucket 3. The lower end of the fixed bucket frame 13 is fixed to the supporting frame 4, and the fixed bucket frame 13 serves to fix the extended bucket 3.

[0021] The resonant member includes a toothed plate 30 installed on the front and rear end surfaces of the bearing frame 4. The toothed plate 30 is located below the guide groove 5. The upper part of the toothed plate 30 is meshed with a rolling gear 27. The cooperation between the toothed plate 30 and the rolling gear 27 drives the bearing rod 26 to rotate. The bearing rod 26 is coaxially embedded in the interior of the rolling gear 27. One end of the bearing rod 26 is rotatably connected to the guide ridge 6. A ball 9 is elastically installed on the outer surface of the bearing rod 26 near the rolling gear 27. The bearing rod 26 drives the ball 9 to rotate.

[0022] A No. 1 resonance frame 11 is fixedly installed on the lower part of the front and rear end surfaces of the extended bucket 3, and a No. 2 resonance frame 14 is fixedly installed on the upper part of the front and rear end surfaces of the extended bucket 3. The No. 1 resonance frame 11 and the No. 2 resonance frame 14 play the role of transmitting vibration force. A knocking plate 12 is fixedly installed between the lower end of the No. 1 resonance frame 11 and the lower end of the No. 2 resonance frame 14. The knocking plate 12 can collide with the ball 9 to generate vibration force. The top of the ball 9 is higher than the lower end surface of the knocking plate 12, which can facilitate the ball 9 to collide with the knocking plate 12 when rotating.

[0023] Two plate fixing seats 29 are symmetrically fixedly installed at the lower end of the tooth plate 30, and the ends of the plate fixing seats 29 are fixed to the bearing frame 4, and the plate fixing seats 29 play a role in fixing the tooth plate 30. The other end of the bearing rod 26 is rotatably installed with a rod seat 28, and the end of the rod seat 28 is fixed to the guide ridge 6, and the rod seat 28 plays a role in strengthening the connection strength of the bearing rod 26. The lower end of the sphere 9 is fixedly installed with a spring body 24, and the spring body 24 plays a role in preventing the sphere 9 from being obstructed during rotation. The lower end of the spring body 24 is fixedly installed with a spring seat 25, and the spring seat 25 is embedded in the outer surface of the bearing rod 26, and the spring seat 25 plays a role in supporting the spring body 24.

[0024] The reciprocating pusher includes a driving shaft 23 that passes through and is rotatably installed at a corner on one side of the supporting frame 4. A pushing frame 8 is extended from one end of the driving shaft 23. The driving shaft 23 drives the pushing frame 8 to rotate. The end of the pushing frame 8 is connected to a connecting frame 19. The pushing frame 8 drives the connecting frame 19 to move. The end of the connecting frame 19 is connected to the middle part of the side of the feeding seat 7. The connecting frame 19 pushes the feeding seat 7. A servo motor 10 is connected to the rear end edge of the supporting frame 4. The output end of the servo motor 10 is connected to the driving shaft 23. The servo motor 10 drives the driving shaft 23 to rotate.

[0025] One end of the connecting frame 19 is penetrated and rotatably installed with a No. 2 connecting shaft 22, which is embedded in the end of the push-pushing frame 8. The No. 2 connecting shaft 22 serves to facilitate the connection of the push-pushing frame 8 and the connecting frame 19. The other end of the connecting frame 19 is penetrated and rotatably installed with a No. 1 connecting shaft 21. Both ends of the No. 1 connecting shaft 21 are embedded with concave seats 20. The No. 1 connecting shaft 21 serves to facilitate connection, and the concave seat 20 serves to carry the No. 1 connecting shaft 21. The side of the concave seat 20 is connected to the feeding The seat 7 is fixed, a small pulley 15 is coaxially fixedly installed on the output end of the servo motor 10, and a large pulley 16 is coaxially embedded on the other end of the driving shaft 23. A belt 17 is connected between the small pulley 15 and the large pulley 16. The small pulley 15 and the large pulley 16 facilitate the connection of the belt 17, and the belt 17 plays a transmission role. A motor frame 18 is fixedly installed on the lower end of the servo motor 10, and the end of the motor frame 18 is fixed to the bearing frame 4, and the motor frame 18 plays a role in fixing the servo motor 10.

[0026] When in use, the ferroalloy scraps are added into the extension bucket 3, so that the ferroalloy scraps can enter the material trough 31 on the feeding seat 7 under the guidance of the extension bucket 3, and then the servo motor 10 works to drive the driving shaft 23 to rotate through the belt 17, so that the driving shaft 23 drives the push frame 8 to rotate, and then drives the connecting frame 19 to move, so as to push the feeding seat 7, so that the feeding seat 7 can slide in the supporting frame 4, so as to push the ferroalloy scraps in the material trough 31 to the top of the feeding port 2, so that it falls into the feeding port 2 and is added into the ferroalloy refining furnace for processing, and then the feeding seat 7 is reset under the push of the connecting frame 19, so that the extension bucket 3 is used for the ferroalloy scraps. The ferroalloy scraps in the long bucket 3 continue to enter the material trough 31, and the cycle is repeated to complete the feeding operation. At the same time, when the feeding seat 7 reciprocates to feed, the bearing rod 26 will reciprocate synchronously. At this time, the rolling gear 27 will continue to roll on the tooth plate 30 to drive the ball 9 on the bearing rod 26 to rotate, so that the rotating ball 9 continuously knocks the knocking plate 12 to generate vibration, so that the vibration force is transmitted to the extension bucket 3 through the No. 1 resonance frame 11 and the No. 2 resonance frame 14, so as to drive the extension bucket 3 to vibrate, so that the ferroalloy scraps in the extension bucket 3 can slide down smoothly, so as to ensure the smooth progress of the feeding operation.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A fully dry furnace cover for an iron alloy refining furnace, comprising a furnace cover body (1) and a feeding port (2) penetrating the middle of the upper end of the furnace cover body (1), characterized in that: The upper end of the feeding port (2) is fixedly connected to a supporting frame (4), the lower end of the supporting frame (4) is fixed to the furnace cover body (1), a feeding seat (7) is slidably installed inside the supporting frame (4), the lower end of the feeding seat (7) is in contact with the inner bottom surface of the supporting frame (4), a reciprocating pusher is provided between the feeding seat (7) and the supporting frame (4), the upper end of the supporting frame (4) is connected to an extension bucket (3), the extension bucket (3) is inclined, the lower end surface of the extension bucket (3) is in contact with the upper end surface of the feeding seat (7), a material groove (31) is provided at the upper end edge of the feeding seat (7), the material groove (31) extends to the lower end surface of the feeding seat (7), the lower end of the extension bucket (3) corresponds to the material groove (31), and a resonance member is provided between the feeding seat (7) and the extension bucket (3).

2. The fully dry furnace cover of an ferroalloy refining furnace according to claim 1, characterized in that: Three electrode holes (34) are arranged in a circular array in the middle of the upper end of the furnace cover body (1), and the three electrode holes (34) are located outside the charging port (2). Two smoke exhaust holes (35) are symmetrically arranged at the edge of the upper end surface of the furnace cover body (1). Five operating doors (32) are installed on the outer surface of the furnace cover body (1). An automatic large furnace door (33) is installed on the outer surface of the furnace cover body (1), and the automatic large furnace door (33) is staggered with the operating door (32).

3. The fully dry type furnace cover of an ferroalloy refining furnace according to claim 1, characterized in that: The front and rear end surfaces of the feeding seat (7) are both extended with guide ridges (6), the front and rear end surfaces of the bearing frame (4) are both provided with guide grooves (5), the guide ridges (6) are slidably mounted inside the guide grooves (5), and a fixed bucket frame (13) is fixedly mounted on the middle part of the side of the extension bucket (3), and the lower end of the fixed bucket frame (13) is fixed to the bearing frame (4).

4. The fully dry furnace cover of an ferroalloy refining furnace according to claim 3, characterized in that: The resonant member comprises a toothed plate (30) mounted on the front and rear end surfaces of the bearing frame (4); the toothed plate (30) is located below the guide groove (5); a rolling gear (27) is meshed on the upper portion of the toothed plate (30); a bearing rod (26) is coaxially penetrated and embedded inside the rolling gear (27); one end of the bearing rod (26) is rotatably connected to the guide ridge (6); and a ball (9) is elastically mounted on the outer surface of the bearing rod (26) near the rolling gear (27).

5. The fully dry furnace cover of an ferroalloy refining furnace according to claim 4, characterized in that: A first resonance frame (11) is fixedly mounted on the lower parts of the front and rear end surfaces of the extension bucket (3), a second resonance frame (14) is fixedly mounted on the upper parts of the front and rear end surfaces of the extension bucket (3), a knocking plate (12) is fixedly mounted between the lower ends of the first resonance frame (11) and the second resonance frame (14), and the top of the sphere (9) is higher than the lower end surface of the knocking plate (12).

6. The fully dry type furnace cover of a ferroalloy refining furnace according to claim 4, characterized in that: Two plate fixing seats (29) are symmetrically fixedly mounted on the lower end of the tooth plate (30), the ends of the plate fixing seats (29) are fixed to the bearing frame (4), the other end of the bearing rod (26) is rotatably mounted with a rod seat (28), the end of the rod seat (28) is fixed to the guide ridge (6), the lower end of the ball (9) is fixedly mounted with a spring body (24), the lower end of the spring body (24) is fixedly mounted with a spring seat (25), and the spring seat (25) is embedded in the outer surface of the bearing rod (26).

7. The fully dry type furnace cover of a ferroalloy refining furnace according to claim 1, characterized in that: The reciprocating pusher comprises a driving shaft (23) which is rotatably mounted on a corner of one side of the supporting frame (4); a rotating push frame (8) extends from one end of the driving shaft (23); the end of the rotating push frame (8) is connected to a connecting frame (19); the end of the connecting frame (19) is connected to the middle part of the side of the feeding seat (7); a servo motor (10) is connected to the rear end edge of the supporting frame (4); the output end of the servo motor (10) is connected to the driving shaft (23).

8. The fully dry type furnace cover of a ferroalloy refining furnace according to claim 7, characterized in that: A No. 2 connecting shaft (22) is rotatably mounted on one end of the connecting frame (19), and the No. 2 connecting shaft (22) is inserted through and embedded in the end of the push-pushing frame (8). A No. 1 connecting shaft (21) is rotatably mounted on the other end of the connecting frame (19), and concave seats (20) are embedded at both ends of the No. 1 connecting shaft (21). The side surfaces of the concave seats (20) are fixed to the feeding seat (7). A small pulley (15) is coaxially fixedly mounted on the output end of the servo motor (10), and a large pulley (16) is coaxially embedded on the other end of the driving shaft (23). A belt (17) is connected between the small pulley (15) and the large pulley (16). A motor frame (18) is fixedly mounted on the lower end of the servo motor (10), and the end of the motor frame (18) is fixed to the bearing frame (4).

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