CN210261129U

CN210261129U - Smelting furnace charging device and smelting furnace

Info

Publication number: CN210261129U
Application number: CN201920920164.4U
Authority: CN
Inventors: 张彬; 李淑慧; 路鹏飞; 赵磊
Original assignee: Ulanqab Darsen Graphite New Materials Co ltd
Current assignee: Ulanqab Darsen Graphite New Materials Co ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-04-07
Anticipated expiration: 2029-06-18

Abstract

The utility model provides a smelting furnace charging device, which comprises a weighing mechanism, a charging container, a floating mechanism and a compacting mechanism which are respectively arranged at two sides of the weighing mechanism, and a controller; the first discharge port of the weighing mechanism is communicated with the containing cavity of the charging container, the floating mechanism is provided with a floating unit which can stretch into the containing cavity to float the accumulated surface of the material, the compacting mechanism is provided with a compacting unit which can stretch into the containing cavity to compact the material, and the controller is electrically connected with the first discharge port and used for controlling the discharge amount. Still provide a smelting furnace, hold the load in the chamber through the first discharge gate of controller control to the container of feeding, can progressively release quantitative material to the container of feeding to through floating unit and compaction unit in order to floating and the compaction to the material, so that the different positions of container of feeding and different containers of feeding powder bulk density obtain accurate homogeneous's control, can effectively avoid the difference of the smelting effect in the smelting furnace that leads to by powder density difference.

Description

Smelting furnace charging device and smelting furnace

Technical Field

The utility model relates to a smelt technical field, especially relate to a smelting furnace charging devices and smelting furnace.

Background

The lithium ion battery technology is rapidly developed, the requirement on graphite cathode materials is higher and higher, the high-temperature graphitization process is crucial in the production of cathode materials, the existing method for preparing the graphite cathode materials is to load carbon blanks and granular materials into a long furnace body constructed by refractory materials to form a conductive furnace core, and heat insulation materials are arranged around the furnace core. The two upper end walls as the furnace end are provided with conductive electrodes and connected with a power supply to form a loop for electrifying. When the circuit is turned on, the furnace core heats up due to the action of the resistor, so that the carbon blank is converted into artificial graphite through high-temperature heat treatment at the temperature of 2200-3000 ℃.

The high-temperature graphitization process is crucial to production and preparation of negative electrode materials, at present, in the graphitization process by using the Acheson graphitization furnace, materials need to be filled into a graphite crucible firstly, and then the graphite crucible is put into the graphitization furnace for high-temperature graphitization, but the graphitization products obtained by the traditional preparation process have randomness and difference in effect, the product effect obtained by graphitization cannot be accurately and uniformly controlled, and the industrial requirements are difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that provides a can show the smelting furnace charging devices who improves smelting product homogeneity to above-mentioned prior art current situation, especially improves the uniformity of powder bulk density between container different positions and different containers that feed.

The utility model discloses the second technical problem that will solve provides a can show the smelting furnace that improves and smelt the product homogeneity to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: there is provided a smelting furnace charging device comprising:

the device comprises a weighing mechanism, a charging container, a floating mechanism, a compacting mechanism and a controller; the material loading container is arranged below the weighing mechanism, a first discharge port of the weighing mechanism is communicated with a containing cavity of the material loading container, the floating mechanism and the compacting mechanism are respectively positioned at two sides of the weighing mechanism, the floating mechanism is provided with a floating unit which can stretch into the containing cavity to float the accumulated surface of the material, the compacting mechanism is provided with a compacting unit which can stretch into the containing cavity to compact the material, and the controller is electrically connected with the first discharge port of the weighing mechanism and used for controlling the discharge amount.

In one embodiment, the charging device of the smelting furnace further comprises a sealed bin body and a feeding mechanism located above the sealed bin body, the floating mechanism and the compacting mechanism are both located in the sealed bin body, a second discharging hole of the feeding mechanism is communicated with the weighing mechanism, and a second discharging hole of the feeding mechanism is electrically connected with the controller.

In one embodiment, a vertically extending hydraulic column is arranged in the sealed cabin body, the hydraulic column is electrically connected with the controller, and the first discharge port of the weighing mechanism, the floating mechanism and the compacting mechanism are all connected to the hydraulic column.

In one embodiment, the weighing mechanism is provided with a first lifting support, the first discharge port of the weighing mechanism is provided with a telescopic part, one end of the first lifting support is rotatably connected to the hydraulic upright, and the other end of the first lifting support is connected to the telescopic part.

In one embodiment, the floating mechanism comprises a second lifting support, a motor and a rotating shaft connected with an output shaft of the motor, one end of the second lifting support is rotatably connected to the hydraulic upright, the other end of the second lifting support is connected with the motor, and the floating unit is connected to the rotating shaft and can rotate around the axis of the rotating shaft.

In one embodiment, a touch sensor is connected to the leveling unit, and the touch sensor is electrically connected to the controller.

In one embodiment, the compaction mechanism comprises a third lifting support and an application rod, one end of the third lifting support is rotatably connected to the hydraulic upright, the other end of the third lifting support is connected with the application rod, and the compaction unit is fixedly connected with the application rod and can move up and down under the action of the application rod.

In one embodiment, the compaction unit is provided with a pressure sensor on the compaction surface, a level gauge is arranged on the opposite side of the compaction unit to the compaction surface, and the pressure sensor and the level gauge are respectively electrically connected with the controller.

In one embodiment, the feeding mechanism is provided with a first vacuumizing device, the weighing mechanism is correspondingly provided with a first ventilating piece, and the sealed cabin body is provided with a second vacuumizing device and a second ventilating piece.

In one embodiment, the charging device of the smelting furnace further comprises a conveying mechanism located below the sealing bin body, the conveying mechanism comprises a roller way assembly and a horizontal positioning instrument arranged on the roller way assembly, the roller way assembly comprises a plurality of roller ways distributed at intervals along the length direction, and the horizontal positioning instrument is electrically connected with the controller.

In one of the embodiments, above-mentioned smelting furnace charging devices still includes to be located the elevating system of transport mechanism below, elevating system includes the lifting unit, certainly one end axial extension's of lifting unit collapsible lifter, locate vertical locater on the lifter, the quantity of lifter be more than two and along the length direction interval arrangement of roller way subassembly, the lifter can pass respectively space between the roller way subassembly and support the container business turn over of feeding seal the storehouse body, vertical locater with the controller electricity is connected.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: provides a smelting furnace, comprising the smelting furnace charging device.

Compared with the prior art, the utility model has the advantages of: this smelting furnace charging devices and smelting furnace, through the first discharge gate of controller control weighing mechanism to the load container hold the discharge capacity in the chamber, can gradually release quantitative material in the load container, and through floating unit and compaction unit with the material in the appearance chamber to the load container floating and the compaction, so that the powder bulk density obtains accurate homogenization's control between the different positions of load container and the different load containers, can effectively avoid the difference of smelting the effect in the smelting furnace that leads to by the powder density difference, guarantee the effect of the product of smelting.

Drawings

Fig. 1 is a schematic structural diagram of a charging device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a top view of a charging device of a smelting furnace according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a troweling mechanism (before troweling) in one embodiment of the present invention;

fig. 4 is a cross-sectional view of a troweling mechanism (after troweling) in one embodiment of the present invention;

FIG. 5 is a cross-sectional view of a compaction mechanism according to one embodiment of the invention;

fig. 6 is an assembly diagram of the conveying mechanism and the lifting mechanism according to one embodiment of the present invention.

Reference numerals:

20-a charging container, 30-a sealed cabin body, 31-a hydraulic upright column, 40-a weighing mechanism, 41-a first discharge port, 410-a first discharge valve, 411-a telescopic part, 412-a first lifting support, 50-a floating mechanism, 51-a floating unit, 52-a second lifting support, 53-a motor, 54-a rotating shaft, 60-a compacting mechanism, 61-a compacting unit, 62-a third lifting support, 63-a force applying rod, 70-a feeding mechanism, 71-a second discharge port, 710-a second discharge valve, 80-a conveying mechanism, 810-a roller bed, 90-a lifting mechanism and 91-a lifting rod.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that the directions or positional relationships indicated by upper, lower, inner, outer, etc. are the directions or positional relationships shown in fig. 1 based on the drawings of the specification, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and 2, a charging device for a smelting furnace according to a preferred embodiment of the present invention includes a charging container 20, a sealing bin 30, a weighing mechanism 40, a leveling mechanism 50, a compacting mechanism 60, a conveying mechanism 80, and a lifting mechanism 90.

The smelting furnace can be used for preparing silicon carbide, iron ore, artificial graphite cathode materials and the like, furnace burden is filled in a rectangular container built by refractory bricks, two carbon electrodes are inserted into the furnace, a furnace core is arranged between the two electrodes, a generator is connected to the electrodes, high current generates high temperature through the furnace core, and the furnace burden around the furnace core performs chemical reaction for smelting. The charging container 20 may be a crucible having a substantially cylindrical shape, and preferably has a diameter of 50cm and a height of 85 cm.

Specifically, the first discharge port 41 of the weighing mechanism 40, the leveling mechanism 50 and the compacting mechanism 60 are all located in the sealed bin body 30 to perform loading operation on the loading container 20, and are mainly used for avoiding dust raising, and because in the existing preparation process of the negative electrode material, dust raising is generated in the transportation and loading processes, especially when the graphite crucible is loaded, or the graphite crucible is loaded by a manual loading and manual compacting method, or semi-automatic loading is performed by a crane-grab bucket system, but a large amount of dust raising is generated in the two loading processes, so that the dust in a production workshop is raised and densely distributed, the pollution to the working environment is serious, the health of workers is not facilitated, and materials are wasted. The existing measures for treating the flying dust mainly comprise sprinkling water for reducing the dust, treating the dust by using a bag-type dust collector and then discharging the dust through an exhaust funnel, or installing an exhaust fan in a factory building, strengthening ventilation, naturally diluting and diffusing, but the flying dust can be reduced to a certain extent. Therefore, the loading operation is arranged in the sealed cabin body 30, and dust can be effectively avoided.

Further, for better avoiding raise dust, feed mechanism 70 is equipped with a first evacuating device for vacuum unloading, makes the material can inhale to weighing mechanism 40 from the wrapping bag, and weighing mechanism 40 is corresponding to be equipped with first ventilation piece, and this first ventilation piece can be the filter screen, in order to prevent that the material can't fall under the negative pressure condition. The sealed cabin 30 is provided with a second vacuum extractor and a second vent, which can be a vent door disposed on the sidewall of the sealed cabin 30. In the process of loading, the second ventilating piece of the sealed cabin body 30 is opened, after loading is finished, the second ventilating piece is in a closed state, and the second vacuumizing device is started to suck away the dissipated dust in the sealed cabin body 30 so as to prevent the loading container 20 from taking the dust out of the sealed cabin body 30 when the loading container 20 goes in and out.

The interior of the sealed cabin 30 is provided with a vertically extending hydraulic upright column 31, the hydraulic upright column 31 is electrically connected with the controller, and the first discharge hole 41 of the weighing mechanism 40, the floating mechanism 50 and the compacting mechanism 60 are all connected to the hydraulic upright column 31.

The charging installation is controlled by a controller, which may be, in particular, a plc (programmable logic controller), programmable logic controller.

The first discharge port 41 of the weighing mechanism 40 is communicated with the cavity of the charging container 20, and a first discharge valve 410 is arranged in the first discharge port 41. A second discharge valve 710 is arranged in the second discharge port 71 of the feeding mechanism 70, and the second discharge port 71 is connected with the feed port of the weighing mechanism 40. Correspondingly, the controller is electrically connected to the first discharge valve 410 and the second discharge valve 710, respectively, and can control whether the first discharge valve 410 and the second discharge valve 710 are opened or not.

The first discharging hole 41 of the weighing mechanism 40 has a retractable portion 411 and a first lifting support 412, one end of the first lifting support 412 is rotatably connected to the hydraulic column 31, and the other end of the first lifting support 412 is connected to the retractable portion 411.

The leveling mechanism 50 and the compacting mechanism 60 are respectively located at two sides of the weighing mechanism 40, as shown in fig. 3 and 4, the leveling mechanism 50 includes a leveling unit 51 capable of extending into the cavity to level the stacked surface of the material, a second lifting support 52 with one end rotatably connected to the hydraulic upright 31, a motor 53 connected to the second lifting support 52, and a rotating shaft 54 connected to an output shaft of the motor 53, wherein the leveling unit 51 is connected to the rotating shaft 54 and is capable of rotating around the axis of the rotating shaft 54. The troweling unit 51 may be a spatula. The floating unit 51 is connected with a sensor, which is electrically connected with the controller and used for moving the floating unit 51 according to the sensing signal of the sensor.

Referring to fig. 5, the compacting mechanism 60 includes a compacting unit 61 capable of extending into the cavity to compact the material, a third lifting support 62 with one end rotatably connected to the hydraulic column 31, and a force applying rod 63 connected to the third lifting support 62, the compacting unit 61 is fixedly connected to the force applying rod 63, a pressure sensor is disposed on a compacting surface of the compacting unit 61, a level gauge is disposed on a back surface of the compacting unit 61, and the pressure sensor and the level gauge are electrically connected to the controller, respectively, for controlling the movement of the compacting unit 61 according to feedback signals of the pressure sensor and the level gauge.

Referring to fig. 6, the conveying mechanism 80 is located below the sealed cabin 30, and includes a roller way assembly and a horizontal positioning instrument disposed on the roller way assembly, the roller way assembly includes a plurality of roller ways 810 distributed at intervals along the length direction, and the horizontal positioning instrument is electrically connected with the controller to control the rolling start/stop position of the roller ways 810.

Elevating system 90 is located transport mechanism 80 below, including the lifting unit, from the collapsible lifter 91 of lifting unit's one end axial extension, locate the vertical locater on lifter 91, wherein the quantity of lifter 91 is established to more than two and along roller way component's length direction interval arrangement, lifter 91 can pass the space between the roller way component respectively and support the container 20 of feeding and out of the sealing cabin body 30, vertical locater is connected with the controller electricity.

Further, the bottom end of the sealed cabin 30 is correspondingly provided with an opening for the lifting rod 91 to extend into, and the opening is sleeved with an adaptive cushion pad.

The working principle of the smelting furnace charging device is as follows:

and conveying the empty charging container 20 to a position corresponding to the lifting rod 91 from the roller way assembly, and lifting the lifting rod 91 upwards to place the empty charging container 20 into the sealing cabin body 30 corresponding to the lower part of the weighing mechanism 40.

The charging device is started, the total charging amount and the fractional charging amount are set, the second discharging valve 710 of the charging mechanism 70 is opened through the controller, the material in the charging mechanism 70 is sucked into the weighing mechanism 40 from the packaging bag until the material mass displayed by the weighing mechanism 40 reaches the set value, and then the second discharging valve 710 is closed. And opening a first discharge valve 410 of the weighing mechanism 40, allowing the material to fall into the target charging container 20 until all the material in the weighing mechanism 40 falls, and closing the first discharge valve 410.

The telescopic part 411 of the first discharge port 41 is lifted upwards through the first lifting support 412 and is contracted to provide a working space for the floating unit 51, the second lifting support 52 rotates inwards for a certain angle to the upper part of the charging container 20 and then descends to a powder accumulation surface, the motor 53 drives the rotating shaft 54 and drives the floating unit 51 to rotate around the axis of the rotating shaft 54 until a touch signal cannot be sensed by a touch sensor on the floating unit 51, the material accumulation surface is floated, and the motor 53 stops rotating and rotates upwards and outwards to return to the position through the second lifting support 52.

The third lifting support 62 rotates inwards for a certain angle and descends to the upper part of the charging container 20, the force application rod 63 is controlled to drive the compaction unit 61 to move up and down to compact the powder accumulation surface until the pressure applied to the pressure sensor reaches a preset value, and the third lifting support 62 rotates upwards and outwards to return to the original position. The compacting unit 61 is monitored by a level during the up and down movement and keeps the compacting surface level at all times.

And then starting a new round of blanking and circularly reciprocating until the charging container 20 is full, starting a second vacuumizing device to suck away the dust dissipated in the sealed cabin body 30, lifting the lifting rod 91 upwards and penetrating through the gap between the roller ways 810 into the sealed cabin body 30, and lowering the charging container 20 full of materials onto a roller way assembly and conveying the charging container.

Above-mentioned smelting furnace charging devices and smelting furnace, through the first discharge gate of controller control weighing mechanism to the load container hold the discharge capacity in the chamber, can progressively release quantitative material in to the load container, and through floating unit and compaction unit with the material in the appearance chamber to the load container floating and the compaction, so that the powder bulk density obtains accurate homogenization's control between the different positions of load container and the different load containers, can effectively avoid the difference of smelting the effect in the smelting furnace that leads to by the powder density difference, guarantee the effect of the product of smelting.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A smelting furnace charging device, comprising:

2. The smelting furnace charging device according to claim 1, further comprising a sealed bin body, a feeding mechanism located above the sealed bin body, wherein the floating mechanism and the compacting mechanism are both located in the sealed bin body, a second discharging port of the feeding mechanism is communicated with the weighing mechanism, and a second discharging port of the feeding mechanism is electrically connected with the controller.

3. The smelting furnace charging device according to claim 2, wherein a vertically extending hydraulic column is provided in the capsule body, the hydraulic column is electrically connected to the controller, and the first discharge port of the weighing mechanism, the floating mechanism and the compacting mechanism are all connected to the hydraulic column.

4. The smelting furnace charging device according to claim 3, wherein the weighing mechanism has a first lifting bracket, the first discharge port of the weighing mechanism has a telescopic portion, one end of the first lifting bracket is rotatably connected to the hydraulic column, and the other end of the first lifting bracket is connected to the telescopic portion.

5. The smelting furnace charging device according to claim 4, wherein the floating mechanism includes a second lifting bracket, a motor, and a rotating shaft connected to an output shaft of the motor, one end of the second lifting bracket is rotatably connected to the hydraulic column, the other end of the second lifting bracket is connected to the motor, and the floating unit is connected to the rotating shaft and can rotate around an axis of the rotating shaft.

6. The smelting furnace charging apparatus according to claim 5, wherein a touch sensor is connected to the leveling unit, the touch sensor being electrically connected to the controller.

7. The charging device for the smelting furnace according to any one of claims 4 to 6, wherein the compacting mechanism comprises a third lifting support and a force application rod, one end of the third lifting support is rotatably connected to the hydraulic column, the other end of the third lifting support is connected with the force application rod, and the compacting unit is fixedly connected with the force application rod and can move up and down under the action of the force application rod.

8. The smelting furnace charging device according to claim 7, wherein a compaction surface of the compaction unit is provided with a pressure sensor, a back surface of the compaction unit opposite to the compaction surface is provided with a level gauge, and the pressure sensor and the level gauge are electrically connected to the controller, respectively.

9. The smelting furnace charging device according to claim 2, wherein the feeding mechanism is provided with a first vacuum extractor, the weighing mechanism is correspondingly provided with a first vent, and the capsule body is provided with a second vacuum extractor and a second vent.

10. The charging device of the smelting furnace according to claim 2, further comprising a conveying mechanism located below the sealing bin body, wherein the conveying mechanism comprises a roller way assembly and a horizontal positioning instrument arranged on the roller way assembly, the roller way assembly comprises a plurality of roller ways distributed at intervals along the length direction, and the horizontal positioning instrument is electrically connected with the controller.

11. The charging device of the smelting furnace according to claim 10, further comprising a lifting mechanism located below the conveying mechanism, wherein the lifting mechanism includes a lifting unit, a retractable lifting rod axially extending from one end of the lifting unit, and a vertical positioning device located on the lifting rod, the lifting rods are two or more and are arranged at intervals along the length direction of the roller way components, the lifting rods can respectively penetrate through the gap between the roller way components and support the charging container to enter and exit the sealing bin body, and the vertical positioning device is electrically connected with the controller.

12. A smelting furnace, characterized by comprising a smelting furnace charging device according to any one of claims 1 to 11.