Feeding device of basalt fiber electric melting furnace

By designing the feeding device for the basalt fiber electric melting furnace, the problem of slow basalt stone falling into the molten pool was solved by utilizing the circular motion and rotation of the feeding cylinder. This improved the melting efficiency and temperature uniformity, ensuring that the material was evenly distributed into the molten pool and enhancing the melting effect.

CN223659992UActive Publication Date: 2025-12-12JUSHI TECHNOLOGY (XINJIANG) CO LTD
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Patent Information

Application Number
CN202520023445.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-12-12
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

In the existing technology, during the feeding process of basalt stone in an electric melting furnace, the large surface tension of the molten pool and the high density of the melt result in a slow falling speed, which affects the heating efficiency and melting effect of the stone.

Method used

Design a feeding device for a basalt fiber electric melting furnace, including a base and multiple feeding mechanisms. Through the circumferential motion and rotation of the feeding cylinder, combined with a three-way moving device, the device can achieve stirring and temperature uniformity of the molten pool, improve the fluidity and temperature uniformity of the melt in the upper part of the molten pool, and ensure that the material is evenly distributed into the molten pool.

Benefits of technology

It improves the melting efficiency of basalt material, avoids the problem of low heating efficiency in local areas, ensures uniform contact area between material and melt, and enhances the melting effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223659992U_ABST
Patent Text Reader

Abstract

The utility model provides a feeding device of a basalt fiber electric melting furnace, and relates to the technical field of basalt fibers. The device comprises a base which is arranged above a furnace body of the electric melting furnace and connected with three-way moving equipment, a plurality of material injection mechanisms are arranged on the base and comprise material injection cylinders, material injection ports are formed in the material injection cylinders, material pushing plates are arranged in the material injection cylinders in a sliding mode, push rods are arranged in the material injection cylinders in a sliding mode, and sealing discs are arranged at the bottoms of the material injection cylinders and connected with the push rods. The shapes of the material pushing plate and the sealing disc are matched with the inner wall of the material injection barrel, a through hole matched with the push rod is formed in the center of the material pushing plate, the push rod is coaxially connected with the material pushing plate in a sliding mode, and a first driving assembly and a second driving assembly which drive the material pushing plate and the push rod to ascend and descend in the material injection barrel respectively are arranged on the material injection barrel. Stone is added into the molten pool, and the situation that the falling speed of the stone on the surface of the molten pool is low, and stone melting is affected is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to basalt fiber technical field, concretely relates to a kind of feeding device of basalt fiber electric smelting furnace. BACKGROUND

[0002] Basalt fiber is the continuous fiber that is drawn with natural basalt, is the continuous fiber that is drawn at high speed after basalt stone material is fused at 1450 ℃-1500 ℃.The color of pure natural basalt fiber is generally brown.Basalt fiber is a kind of new inorganic environmental protection green high-performance fiber material, it is composed of silica, alumina, calcium oxide, magnesium oxide, iron oxide and titanium dioxide etc.Oxide.Basalt continuous fiber not only high strength, but also have electric insulation, corrosion resistance, high temperature resistance and multiple excellent performance.

[0003] In prior art, basalt stone material is fused in electric smelting furnace, and currently basalt stone material falls into the molten pool in electric smelting furnace in the process of discharging, due to the factor of surface tension of molten pool, and the density of melt in molten pool is large, and the surface flowability of molten pool is worst, so that the falling speed of added basalt stone material on the surface of molten pool is slow, the heating efficiency of basalt stone material is reduced, and the surface temperature of molten pool is also lowest, and the longer the residence time on the surface of molten pool is, the more unfavorable the melting of stone material is. UTILITARIAN CONTENT

[0004] The utility model aims at developing a kind of feeding device of basalt fiber electric smelting furnace, which adds stone material into molten pool, avoids the slow falling speed of stone material on the surface of molten pool and affects the melting of stone material.

[0005] The utility model is realized by the following technical scheme:

[0006] A kind of feeding device of basalt fiber electric smelting furnace, comprising:

[0007] Base, is located at the top of the furnace body of electric smelting furnace and is connected with three-way moving device;

[0008] Multiple injection mechanisms, are located on base, comprising:

[0009] Injection barrel;

[0010] Injection port, is located on injection barrel;

[0011] Pushing plate, is slidably arranged in injection barrel;

[0012] Push rod, is slidably arranged in injection barrel;

[0013] Sealing disc, is located at the bottom of injection barrel and is connected with push rod;

[0014] The shape of the pushing plate and the sealing disc is matched with the inner wall of the injection cylinder, the pushing plate is provided with a through hole matched with the pushing rod at the center, the pushing rod is coaxially connected with the pushing plate, the injection cylinder is provided with a first driving assembly and a second driving assembly for driving the pushing plate and the pushing rod to ascend and descend in the injection cylinder respectively.

[0015] Optionally, the upper part of the sealing disc is in the shape of a circular table with a small diameter end upward and the side is in the shape of an arc surface concave inward.

[0016] Optionally, a door is slidably arranged in the injection port, the shape of the door is matched with the shape of the inner wall of the injection cylinder, a door groove is arranged in the injection cylinder above the injection port to accommodate the door, a slot is arranged in the injection cylinder at the top of the door groove, a spring telescopic rod is vertically arranged in the slot and connected with the door, a pushing block is arranged on the inner wall of the door close to the bottom end, and the pushing block is located on the sliding track of the pushing plate.

[0017] Optionally, the first driving assembly comprises an elastic air bag in the shape of a cylinder, the top of the elastic air bag is connected with the top of the injection cylinder, the bottom of the elastic air bag is connected with the pushing plate, a spring is arranged in the elastic air bag, the top and bottom of the spring are connected with the top of the injection cylinder and the pushing plate respectively, and the top of the injection cylinder is provided with an air pipe in communication with a gas source control system.

[0018] Optionally, the second driving assembly comprises a support rod connected with the top end of the pushing rod, the support rod is arranged above the injection cylinder, vertical guide rods are connected with the two ends of the support rod, the guide rods are slidably connected with the top of the injection cylinder, the part of the pushing rod sliding through the top of the injection cylinder is provided with an external thread, the top of the injection cylinder is rotatably provided with a driving ring sleeved on the outer side of the pushing rod, the inner wall of the driving ring is provided with an internal thread matched with the external thread of the pushing rod, and the top of the injection cylinder is provided with a driving device in transmission connection with the driving ring.

[0019] Optionally, a main material pipe is arranged on the base, and a plurality of branch material pipes in communication with the plurality of injection ports are arranged in communication with the bottom of the main material pipe.

[0020] An arc-shaped material groove is arranged on the outer wall of the injection cylinder in a spiral trajectory.

[0021] Optionally, a driving mechanism is arranged on the base, the driving mechanism comprises a circular ring-shaped sliding groove arranged on the base, the sliding groove penetrates the base in the vertical direction, the upper part of the injection cylinder penetrates the sliding groove, circular ring-shaped sealing blocks matched with the shape of the sliding groove are rotatably arranged at the top and bottom of the sliding groove, and the outer wall of the injection cylinder penetrates the two sealing blocks and is rotatably connected with the sealing blocks.

[0022] Optionally, a gear is coaxially connected to the outer wall of the injection cylinder in the chute, an outer ring gear is rotatably arranged on the outer wall of the chute, an inner ring gear is arranged on the inner wall of the chute, the gear is engaged with the outer ring gear and the inner ring gear, a support base is arranged at the edge of the base, and a motor for driving the outer ring gear to rotate is arranged on the support base.

[0023] Optionally, the main tube is arranged on the base at the center of the inner wall of the chute, a branch tube is rotatably and sealingly connected to the main tube, a sleeve is arranged on the outer wall of the injection cylinder, the sleeve is annular and is rotatably arranged on the outer wall of the injection cylinder, a gap is formed between the inside of the sleeve and the injection cylinder to form a cavity, the sleeve is rotatably and sealingly connected to the injection cylinder, the branch tube is communicated with the sleeve and the branch tube, and the branch tube is obliquely arranged and the lower end of the branch tube is communicated with the sleeve.

[0024] Optionally, a gas control tube is rotatably connected to the air pipe, an annular gas connection box is arranged on the base outside the bottom of the main tube, the gas connection box is coaxial with the main tube, an annular gas ring is rotatably connected to the outer wall of the gas connection box, the gas ring is rotatably and sealingly connected to the gas connection box, the gas control tube is connected to the gas ring and communicated with the gas connection box, and a pipeline communicated with the gas source control system is arranged on the gas connection box.

[0025] The utility model discloses the beneficial effects are:

[0026] After the crushed stone fills the injection cylinder, multiple injection mechanisms are inserted into the molten pool of the furnace body, the insertion depth can be controlled, during injection, the motor drives the multiple injection cylinders to move in a circle and rotate, the injection cylinder realizes stirring of the molten pool, provides flowability of the melt on the upper part of the molten pool, makes the temperature of the injection area uniform, the outer wall of the injection cylinder has a spiral groove, so that the melt is lifted during the rotation of the injection cylinder, the melt in the lower part of the molten pool generates a certain flowability upwards, the temperature of the surface of the molten pool is improved, the temperature in the discharging area of the upper part of the molten pool is further made uniform, during injection of the material into the molten pool, the injection cylinder moves in a circle, and the three-way moving device can control the moving area of the injection cylinder and the height of the bottom discharge, so that the material is uniformly scattered into the molten pool, the material is prevented from being discharged in a local area of the molten pool and thus the heating efficiency of the material is low, the material is uniformly scattered into the molten pool, the contact area of the material and the melt is improved, and the melting efficiency of the material is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, without creative labor, other drawings can also be obtained from these drawings.

[0028] Figure 1 It is a structural diagram of the utility model;

[0029] Figure 2 It is a structure diagram of the material injection mechanism;

[0030] Figure 3 It is Figure 2 The enlarged view of A in the middle.

[0031] Reference signs: 1, furnace body; 2, material injection cylinder; 3, base; 4, material sleeve; 5, material supporting pipe; 6, material distributing pipe; 7, supporting base; 8, sealing disc; 9, main material pipe; 10, gas connection box; 11, gas control pipe; 12, material groove; 13, push rod; 14, material injection port; 15, material pushing plate; 16, push block; 17, material door; 18, supporting rod; 19, guide rod; 20, gas pipe; 21, driving ring; 22, elastic air bag; 23, spring; 24, sliding groove; 25, sealing block; 26, outer ring gear; 27, gear; 28, inner ring gear; 29, spring telescopic rod. DETAILED DESCRIPTION

[0032] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present invention. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0033] In the description of the present invention, it needs to be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present invention.

[0034] The embodiments of the utility model will be described in detail below in combination with the drawings.

[0035] As Figures 1 to 3 The utility model discloses a kind of material feeding devices of basalt fiber electric smelting furnace, including the base 3 being located at the upper portion of the furnace body 1 of electric smelting furnace, four material injection mechanisms are equipped on the base 3, driving mechanism is equipped on the base 3, and the driving mechanism drives four material injection mechanisms to rotate and circumferential motion.

[0036] The injection mechanism comprises a cylindrical injection cylinder 2, the bottom of the injection cylinder 2 is open, the top is closed, and a circular push plate 15 in the shape matching the inner wall of the injection cylinder 2 is slidably arranged in the injection cylinder 2. A push rod 13 is arranged in the injection cylinder 2, the push rod 13 is coaxial with the injection cylinder 2, the center of the push plate 15 is provided with a through hole matching the push rod 13, the push rod 13 is coaxially and slidably connected with the push plate 15, and the top end of the push rod 13 slides through the top of the injection cylinder 2. The bottom end of the push rod 13 is coaxially provided with a circular sealing disc 8, the sealing disc 8 matches the inner wall of the injection cylinder 2, the upper part of the sealing disc 8 is in the shape of a circular table with a small-diameter end upward and the side surface is in the shape of a concave circular arc surface.

[0037] The injection cylinder 2 is provided with a first driving assembly and a second driving assembly for driving the push plate 15 and the push rod 13 to ascend and descend in the injection cylinder 2 respectively. The first driving assembly drives the push plate 15 to slide downward in the injection cylinder 2 to push the material in the injection cylinder 2 out. The second driving assembly drives the push rod 13 to slide downward to make the sealing disc 8 slide downward. After the sealing disc 8 slides out of the bottom of the injection cylinder 2, the material can be output from the bottom of the injection cylinder 2. The second driving assembly drives the push rod 13 to slide upward to make the sealing disc 8 slide upward, which can seal the bottom of the injection cylinder 2.

[0038] The first driving assembly comprises a cylindrical elastic air bag 22, the top of the elastic air bag 22 is connected with the top of the injection cylinder 2, the bottom of the elastic air bag 22 is connected with the push plate 15, a spring 23 is arranged in the elastic air bag 22, and the top and bottom of the spring 23 are respectively connected with the top of the injection cylinder 2 and the push plate 15. The top of the injection cylinder 2 is provided with an air pipe 20, the air pipe 20 communicates with the elastic air bag 22, and a gas source injects gas into the elastic air bag 22 through the air pipe 20 to make the elastic air bag 22 expand. The elastic air bag 22 expands to push the push plate 15 to slide away from the top of the injection cylinder 2, at this time, the spring 23 is elongated. The gas in the elastic air bag 22 is extracted through the air pipe 20, the internal pressure of the elastic air bag 22 is reduced to present negative pressure, the elastic air bag 22 is contracted, the spring 23 is contracted to reset, and the elastic air bag 22 and the spring 23 drive the push plate 15 to slide upward.

[0039] The second driving assembly comprises a support rod 18 connected to the top end of the push rod 13, the support rod 18 is above the injection cylinder 2, the support rod 18 is horizontally arranged, vertical guide rods 19 are connected to the two ends of the support rod 18, the guide rods 19 are slidably connected with the top of the injection cylinder 2, and the sliding range of the guide rods 19 is inside the elastic air bag 22. The part of the push rod 13 sliding through the top of the injection cylinder 2 is provided with external threads, the top of the injection cylinder 2 is rotationally provided with a driving ring 21 sleeved outside the push rod 13, the inner wall of the driving ring 21 is provided with internal threads matched with the external threads of the push rod 13, the driving ring 21 is threadedly matched with the push rod 13, the driving ring 21 is rotationally threadedly matched with the push rod 13 to drive the push rod 13, and the sliding connection of the guide rods 19 with the injection cylinder 2 guides the ascending and descending of the push rod 13. The top of the injection cylinder 2 is provided with a driving device in transmission connection with the driving ring 21, and the driving device can be a motor or a hollow rotating platform.

[0040] A plurality of injection ports 14 are arranged on the outer wall of the upper part of the injection cylinder 2 in a circular and equidistant manner around the axial direction of the injection cylinder 2. The injection ports 14 are sleeved with a material sleeve 4, the material sleeve 4 is annular and is rotatably arranged on the outer wall of the injection cylinder 2, and a gap is formed between the inside of the material sleeve 4 and the injection cylinder 2 to form a cavity, and the material sleeve 4 is rotatably connected with the injection cylinder 2.

[0041] A material door 17 is slidably arranged in the injection port 14, the shape of the material door 17 is matched with the shape of the inner wall of the injection cylinder 2, a door groove for accommodating the material door 17 is arranged in the injection cylinder 2 above the injection port 14, the material door 17 is slidably arranged in the door groove, the material door 17 is lowered in the door groove to block the injection port 14, and the material door 17 is slid upward to be slid into the door groove to open the injection port 14. A slot is arranged in the injection cylinder 2 at the top of the door groove, a spring telescopic rod 29 connected with the material door 17 is vertically arranged in the slot, and the spring force of the spring telescopic rod 29 pushes the material door 17 to slide downward in the door groove to block the injection port 14. A push block 16 is arranged on the inner wall of the material door 17 close to the bottom end, and the push block 16 is located on the sliding track of the push plate 15. When the push plate 15 slides downward through the injection port 14, the material door 17 is lowered to block the injection port 14 under the spring force of the spring telescopic rod 29. When the push plate 15 slides upward along the injection port 14, the push plate 15 is arranged at the bottom of the push block 16 and pushes the push block 16 upward to drive the material door 17 to slide upward into the door groove to open the injection port 14.

[0042] A material groove 12 is arranged on the outer wall of the injection cylinder 2 in a spiral trajectory, and the cross section of the material groove 12 is arc-shaped.

[0043] The driving mechanism comprises a circular sliding groove 24 arranged on the base 3, the sliding groove 24 penetrates the base 3 in the vertical direction, the upper part of the injection cylinder 2 penetrates the sliding groove 24, and the top and bottom of the sliding groove 24 are rotatably provided with circular sealing blocks 25 matched with the sliding groove 24, the outer wall of the injection cylinder 2 penetrates the two sealing blocks 25 and is rotatably connected with the sealing blocks 25, the sealing blocks 25 connect the inner side and the outer side of the sliding groove 24 with the base 3, the injection cylinder 2 and the sealing blocks 25 are fixed in the vertical direction, so that the injection cylinder 2 can only rotate on the sealing blocks 25, and the four injection cylinders 2 are arranged in the sliding groove 24 in an equidistant manner.

[0044] A gear 27 is coaxially connected to the outer wall of the injection cylinder 2 in the sliding groove 24, an outer ring gear 26 is rotatably arranged on the inner wall of the sliding groove 24 close to the edge of the base 3, an inner ring gear 28 is arranged on the inner wall of the sliding groove 24 close to the center of the base 3, the gear 27 is engaged with the outer ring gear 26 and the inner ring gear 28, a support 7 is arranged at the edge of the base 3, and a motor is arranged on the support 7 to drive the rotation of the outer ring gear 26. The motor drives the rotation of the outer ring gear 26, the outer ring gear 26 drives the rotation of the gear 27, the gear 27 circumferentially moves around the inner ring gear 28 and rotates, the injection cylinder 2 circumferentially moves and rotates accordingly, and the sealing blocks 25 rotate correspondingly.

[0045] The base 3 outside the chute 24 is connected with a three-way moving device (not shown in the figure), and the base 3 at the center of the inside of the chute 24 is provided with a main material pipe 9 connected with the base 3 and the three-way moving device, so that the bases 3 on both sides of the chute 24 are fixed through the main material pipe 9 and the three-way moving device. The base 3 is rotatably connected with a branch material pipe 6 coaxially and rotatably sealed with the main material pipe 9, and the branch material pipe 6 is provided with four inclined branch material pipes 5, and the lower ends of the branch material pipes 5 are communicated with the material sleeve 4.

[0046] The base 3 outside the bottom of the main material pipe 9 is provided with a circular ring-shaped gas connection box 10 coaxial with the main material pipe 9, and the gas connection box 10 is rotatably connected with a circular ring-shaped gas ring on the outer wall of the gas connection box 10, and the gas ring is rotatably sealed with the gas connection box 10. The top end of the gas pipe 20 is rotatably connected with a gas control pipe 11 connected with the gas ring and communicated with the gas connection box 10, and the gas connection box 10 is provided with a pipeline communicated with a gas source control system.

[0047] The crushed stone enters the branch material pipe 6 from the main material pipe 9, and then enters the four branch material pipes 5 from the branch material pipe 6, and finally enters the injection port 14 from the material sleeve 4 and falls into the injection cylinder 2. At this time, the pushing plate 15 rises to the reset state, the pushing plate 15 is at the top of the injection port 14, the material door 17 is pushed up by the pushing plate 15 with the pushing block 16 to make the injection port 14 in the open state, the push rod 13 is in the rising state, the sealing disc 8 blocks the bottom of the injection cylinder 2, and the stone fills the injection cylinder 2 after entering the injection cylinder 2.

[0048] When discharging, the three-way moving device drives the base 3 to move so that the injection cylinder 2 is inserted into the molten pool in the furnace body 1, then the motor drives the outer ring gear 26 to rotate, the outer ring gear 26 drives the four gears 27 on the outer wall of the injection cylinder 2 to rotate, the circumferential movement and self-rotation of the four injection cylinders 2 are realized, the self-rotation direction of the injection cylinder 2 is the direction of the spiral upward movement of the chute 12, in the process of the circumferential movement and self-rotation of the injection cylinder 2, the molten pool is stirred, the chute 12 can push the materials in the molten pool to roll upward, further improving the stirring effect, so that the temperature of the top area of the molten pool is improved. The gas source control system inflates the inside of the elastic air bag 22, the elastic air bag 22 expands to push the pushing plate 15 to slide downward, at the same time, the driving ring 21 rotates to make the push rod 13 slide downward, the push rod 13 drives the sealing disc 8 to slide downward and extend out of the bottom opening of the injection cylinder 2, the materials in the injection cylinder 2 are pushed and extruded by the pushing plate 15 and output from the bottom opening of the injection cylinder 2, while the injection cylinder 2 injects materials into the molten pool and the circumferential movement and self-rotation of the injection cylinder 2, the three-way moving device drives the base 3 to move laterally and gradually ascend or descend, so that the materials are not simply discharged at the same horizontal height, so that the materials are more evenly scattered into the melt, when the pushing plate 15 slides through the injection port 14, the elastic force of the spring telescopic rod 29 pushes the material door 17 to slide downward and block the injection port 14. After the injection cylinder 2 completes the injection, the three-way moving device drives the base 3 to ascend so that the injection cylinder 2 is separated from the molten pool, then the gas source control system extracts the gas in the inside of the elastic air bag 22 to make it negative pressure, the elastic air bag 22 shrinks to drive the pushing plate 15 to slide upward, and the elastic force of the spring 23 in the elastic air bag 22 also drives the pushing plate 15 to slide upward until it is reset, before the pushing plate 15 is reset, the driving ring 21 rotates to make the push rod 13 ascend to drive the sealing disc 8 to block the bottom of the injection cylinder 2, after the pushing plate 15 is reset, the push block 16 on the material door 17 is pushed upward by the pushing plate 15, the material door 17 is in an open state, materials can be injected into the injection cylinder 2 through the injection port 14 for the next injection. In the process of the circumferential movement and self-rotation of the injection cylinder 2, the sleeve 4 rotates correspondingly on the injection cylinder 2, the distribution pipe 6 rotates correspondingly on the main pipe 9, the gas control pipe 11 rotates correspondingly on the gas pipe 20, and the gas ring rotates correspondingly on the gas connection box 10.

[0049] After the crushed stone fills the injection barrel 2, multiple injection mechanisms are inserted into the molten pool of the furnace body 1, and the insertion depth can be controlled. When injecting, the motor drives the multiple injection barrels 2 to move in a circle and rotate, the injection barrel 2 realizes stirring of the molten pool, provides fluidity of the melt on the upper part of the molten pool, makes the temperature of the injection area uniform, the outer wall of the injection barrel 2 has a spiral chute 12, so that the melt is lifted during the rotation of the injection barrel 2, the melt in the lower part of the molten pool produces a certain fluidity upwards, the temperature of the surface of the molten pool is improved, the temperature in the discharging area of the upper part of the molten pool is further made uniform, and the material is uniformly scattered into the molten pool during injection into the molten pool. The injection barrel 2 moves in a circle, and the three-way moving device can control the movement area of the injection barrel 2 and the height of the bottom discharge, so that the material is uniformly scattered into the molten pool, the material is prevented from being discharged in a local area of the molten pool to cause low heating efficiency of the material, the material is uniformly scattered into the molten pool to improve the contact area of the material and the melt, and the melting efficiency of the material is improved.

[0050] The above embodiments are only preferred embodiments of the present application, and are not a limitation on the technical scheme of the present application. Any technical scheme that can be realized on the basis of the above embodiments without creative labor should be considered to fall within the protection scope of the patent of the present application.

Claims

1. A feeding device for a basalt fiber electric melting furnace, characterized in that, include: The base is located above the furnace body of the electric melting furnace and is connected to the three-way mobile device; Multiple injection mechanisms, mounted on a base, include: Injection cylinder; The injection port is located on the injection cylinder; The pusher plate is slidably disposed inside the injection cylinder; The push rod is slidably positioned inside the injection cylinder; The sealing plate is located at the bottom of the injection cylinder and connected to the push rod; The shape of the pusher plate and the sealing plate is adapted to the inner wall of the injection cylinder. The center of the pusher plate is provided with a through hole adapted to the push rod. The push rod is slidably connected to the pusher plate on the same axis. The injection cylinder is provided with a first drive assembly and a second drive assembly that drive the pusher plate and the push rod to move up and down in the injection cylinder.

2. The feeding device for the basalt fiber electric melting furnace according to claim 1, characterized in that, The upper part of the sealing plate is shaped like a frustum with the small diameter end facing upwards, and the side is a concave arc surface.

3. The feeding device for the basalt fiber electric melting furnace according to claim 1, characterized in that, A material gate is slidably provided inside the injection port. The shape of the material gate is adapted to the shape of the inner wall of the injection cylinder. A door groove is provided in the injection cylinder above the injection port to accommodate the material gate. A slot is provided in the injection cylinder at the top of the door groove. A spring telescopic rod connected to the material gate is vertically provided in the slot. A push block is provided near the bottom of the inner wall of the material gate. The push block is located on the sliding trajectory of the push plate.

4. The feeding device for the basalt fiber electric melting furnace according to claim 1, characterized in that, The first driving component includes a cylindrical elastic airbag, the top of which is connected to the top of the injection cylinder, the bottom of which is connected to the pusher plate, and a spring inside the elastic airbag. The top and bottom of the spring are respectively connected to the top of the injection cylinder and the pusher plate. The top of the injection cylinder is provided with an air pipe that is connected to the air source control system.

5. The feeding device for the basalt fiber electric melting furnace according to claim 1, characterized in that, The second drive assembly includes a support rod connected to the top of the push rod, the support rod being positioned above the injection cylinder, and vertically arranged guide rods connected to both ends of the support rod. The guide rods are slidably connected to the top of the injection cylinder. The portion of the push rod that slides through the top of the injection cylinder has an external thread. A drive ring fitted around the outside of the push rod is rotatably mounted on the top of the injection cylinder. An internal thread that mates with the external thread of the push rod is provided on the inner wall of the drive ring. A drive device that is drively connected to the drive ring is mounted on the top of the injection cylinder.

6. The feeding device for the basalt fiber electric melting furnace according to claim 4, characterized in that, The base is provided with a main material pipe, and the bottom of the main material pipe is connected to multiple branch material pipes that are respectively connected to multiple injection ports; The outer wall of the injection cylinder is provided with a material groove arranged in a spiral trajectory, and the cross-section of the material groove is an inwardly concave arc shape.

7. The feeding device for the basalt fiber electric melting furnace according to claim 6, characterized in that, The base is provided with a driving mechanism, which includes an annular groove formed on the base. The groove extends vertically through the base. The upper part of the injection cylinder passes through the groove. The top and bottom of the groove are rotatably provided with annular sealing blocks whose shapes are adapted to the groove. The outer wall of the injection cylinder passes through the two sealing blocks and is rotatably connected to the sealing blocks.

8. The feeding device for the basalt fiber electric melting furnace according to claim 7, characterized in that, Gears are coaxially connected to the outer wall of the injection cylinder inside the chute. An outer ring gear is rotatably provided on the outer wall of the chute, and an inner ring gear is provided on the inner wall of the chute. The gears mesh with the outer ring gear and the inner ring gear. A support is provided at the edge of the base, and a motor that drives the outer ring gear to rotate is provided on the support.

9. The feeding device for the basalt fiber electric melting furnace according to claim 8, characterized in that, The main material pipe is located on a base at the center of the inner side of the chute. A distribution pipe is rotatably connected to the bottom of the base and is rotatably and sealed to the main material pipe. A material sleeve is fitted on the outside of the injection port. The material sleeve is annular and rotatably mounted on the outer wall of the injection cylinder. There is a gap between the inside of the material sleeve and the injection cylinder to form a cavity. The material sleeve is rotatably and sealed to the injection cylinder. The branch pipe is connected to the material sleeve and the distribution pipe. The branch pipe is inclined and its lower end is connected to the material sleeve.

10. The feeding device for the basalt fiber electric melting furnace according to claim 9, characterized in that, A gas control tube is rotatably and sealed to the gas pipe. A circular gas manifold is provided on the base on the outer side of the bottom of the main material pipe. The gas manifold is coaxial with the main material pipe. A circular gas ring is rotatably connected to the outer wall of the gas manifold. The gas ring and the gas manifold are rotatably sealed. The gas control tube is connected to the gas ring and communicates with the gas manifold. The gas manifold is provided with a pipeline that communicates with the gas source control system.