CN112902673A - Automatic feeding system for calcinator vehicle type belt - Google Patents
Automatic feeding system for calcinator vehicle type belt Download PDFInfo
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- CN112902673A CN112902673A CN202110118763.6A CN202110118763A CN112902673A CN 112902673 A CN112902673 A CN 112902673A CN 202110118763 A CN202110118763 A CN 202110118763A CN 112902673 A CN112902673 A CN 112902673A
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- limit switch
- feeding
- trolley
- charging
- calciner
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- 239000000463 material Substances 0.000 claims abstract description 27
- 230000007306 turnover Effects 0.000 claims abstract description 7
- 238000001354 calcination Methods 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 208000028571 Occupational disease Diseases 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000002006 petroleum coke Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 102220530229 Beclin 1-associated autophagy-related key regulator_L32E_mutation Human genes 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/12—Travelling or movable supports or containers for the charge
- F27D3/123—Furnace cars
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/02—Skids or tracks for heavy objects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0075—Regulation of the charge quantity
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Tunnel Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The invention discloses a calciner car type belt automatic feeding system which comprises a feeding trolley track extending along the extension direction of a calciner, and a feeding trolley driven by a conveying belt to move back and forth along the feeding trolley track; the system also comprises a feeding assembly for conveying materials for the feeding trolley; a hydraulic driving structure is integrated at the discharge port of the feeding trolley and drives the turning plate of the feeding trolley to turn over so as to switch the discharge position. The system drives the turning plate of the charging trolley to move through the hydraulic cylinder, so that the turning plate can be driven to a proper position more accurately and timely; through the installation of limit switch, the control of each unloading time node, the programming of PLC program realizes the reinforced operation of remote control, realizes the full automatic material conveying of unmanned operation.
Description
Technical Field
The invention relates to the technical field of charging operation of a pot-type calcining furnace, in particular to a vehicle-type belt automatic charging system of a calcining furnace.
Background
In the carbon industry, the raw material petroleum coke can be added to a calciner during production by adopting various feeding modes, such as a feeding belt, a track feeding trolley on the surface of a pot-type calciner, a suspension feeding trolley and the like. As for the problems that a plurality of pot type calcining furnaces are mostly arranged in a production workshop of the general carbon industry, the feeding of the existing calcining furnaces is completely finished by four furnace surface track feeding trolleys, the feeding is carried out 2-3 times per shift averagely, an operator sequentially starts a belt, a screw and a trolley through a field operation remote controller, petroleum coke before calcining is transferred to a conveying belt through a screw conveyor, the petroleum coke is sequentially and uniformly added into each charging bucket through the belt pulled by the feeding trolley, a turning plate of the feeding trolley is manually pulled by the operator to control the rotation of the turning plate, the turning plate can not stay at the middle position due to the design defect in the system at the present stage, only one charging bucket at one side can be added, then the other charging bucket at the other side can be added, the automation degree of equipment is low, the labor intensity of the operator is high, the trolley moves frequently during manual feeding and the like, the abrasion degree of the transmission part of the trolley is invisibly increased.
In addition, the phenomenon of car sliding often appears in manual feeding mode dolly among the prior art, in case the car sliding takes place, will cause to spill the material, can lead to the dolly to roll off the track moreover and cause the equipment accident, can influence the normal production of whole calcining furnace at last.
Meanwhile, in the aspect of physical health of personnel, certain occupational disease hazards can be caused when the personnel are in the environment of smoke dust on the surface of the furnace for a long time.
Therefore, based on the above technical problems, those skilled in the art continue to develop a calciner car-type belt automatic charging system.
Disclosure of Invention
The invention aims to provide a calciner vehicle type belt automatic feeding system which can realize the switching of a remote control feeding mode, realize the unmanned full-automatic feeding, improve the integral automation degree of the system, effectively reduce the occupational disease hazard of staff, reduce the labor intensity of the staff, save the labor cost and ensure the normal production operation of a calciner feeding beam and a calciner.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention discloses a calciner car type belt automatic feeding system, which comprises:
a charging trolley track extending along the extension direction of the calciner; and
the feeding trolley is driven to reciprocate along the feeding trolley track through a conveying belt;
the system further comprises:
a feeding assembly for conveying the material to the feeding trolley;
a hydraulic driving structure is integrated at the discharge port of the feeding trolley and drives the turning plate of the feeding trolley to turn over so as to switch the discharge position.
Furthermore, a plurality of limit switches are integrated on the charging trolley track;
a plurality of limit switches divide into:
a left end limit switch and a right end limit switch which are arranged at two ends of the calcining furnace; and
a spiral limit switch;
the feeding trolley can stop moving at the left end limit switch and the right end limit switch under the control of an external controller; and
the feeding trolley can stop the spiral operation at the spiral limit switch under the control of an external controller.
Further, the hydraulic drive structure includes:
the hydraulic cylinder is integrated at the position, close to the discharge port, of the feeding trolley; and
a drive rod connected to a cylinder rod of the hydraulic cylinder;
the driving rod is in transmission connection with a turnover plate shaft of the charging trolley so as to drive the turnover plate to turn over.
Further, the charging trolley is provided with two symmetrically arranged discharge ports, namely a left discharge port and a right discharge port;
when the hydraulic cylinder drives the turning plate to turn towards the right side, the materials in the charging trolley are output to a material tank close to the left side of the calcining furnace through the left side discharge hole;
when the hydraulic cylinder drives the turning plate to turn towards the left side, the materials in the charging trolley are output to a material tank on the right side of the calcining furnace through the right side discharge hole.
Further, the calcining furnace comprises three calcining furnaces;
the three calcining furnaces are sequentially arranged according to the process flow;
the three calcining furnaces are respectively a first calcining furnace, a second calcining furnace and a third calcining furnace;
the length of the charging trolley track is not less than the total length of the three calcining furnaces, and the charging trolley track extends along the extending direction of the three calcining furnaces.
Further, the limit switch includes:
a first left end limit switch and a first right end limit switch arranged at two ends of the first calcining furnace;
a first spiral limit switch;
a second left end limit switch and a second right end limit switch arranged at two ends of the second calcining furnace;
a second spiral limit switch;
a third left end limit switch and a third right end limit switch arranged at two ends of the third calcining furnace;
and a third spiral limit switch.
Further, the feeding process of the calcining furnace mainly comprises the following process steps:
s101, starting a control system;
s102, starting and operating a conveying belt and a feeding assembly, and waiting for a seconds;
s103, stopping running from the left form of the charging trolley to the position of a limit switch at the left end of the calcining furnace, and waiting for b seconds to allow the left end charging bucket to be fully charged and then running to the right;
s104, the feeding trolley travels rightwards to a spiral limit switch to stop running in a spiral mode;
s105, continuing to drive the feeding trolley rightwards to a right end limit switch and stopping driving, and waiting for b seconds to fill the right charging bucket with the materials;
and S106, stopping the system, and finishing one charging operation.
In the technical scheme, the automatic feeding system for the calcinator vehicle type belt provided by the invention has the following beneficial effects:
the system drives the turning plate of the charging trolley to move through the hydraulic cylinder, so that the turning plate can be driven to a proper position more accurately and timely; through the installation of limit switch, the control of each unloading time node, the programming of PLC program realizes the reinforced operation of remote control, realizes the full automatic material conveying of unmanned operation.
The system disclosed by the invention has the advantages that the automation degree of the equipment is improved by remotely controlling the charging, the risk of occupational diseases of operators is effectively reduced, the labor intensity of the operators is reduced, the labor cost is saved, and the normal charging amount of the calcining furnace and the normal work of the calcining furnace are ensured.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic structural diagram of a calciner vehicle-type belt automatic feeding system provided by an embodiment of the invention;
fig. 2 is a schematic structural diagram of a hydraulic driving structure of a calciner vehicle-type belt automatic feeding system provided by an embodiment of the invention.
Description of reference numerals:
1. a feeding assembly; 2. a conveyor belt; 3. a charging trolley; 4. turning over a plate; 5. a first calciner; 6. a second calciner; 7. a third calciner; 8. a hydraulic drive arrangement;
301. a left side discharge hole; 302. a right discharge hole;
401. a flap shaft;
501. a first left limit switch; 502. a first right limit switch; 503. a first spiral limit switch;
601. a second left limit switch; 602. a second right limit switch; 603. a second spiral limit switch;
701. a third left limit switch; 702. a third right limit switch; 703. a third spiral limit switch;
801. a drive rod.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
See fig. 1-2;
the invention discloses a calciner car type belt automatic feeding system, which comprises:
a charging trolley track extending along the extension direction of the calciner; and
the feeding trolley 3 which moves back and forth along the feeding trolley track is driven by the conveying belt 2;
the system further comprises:
a feeding component 1 for conveying materials for a feeding trolley 3;
the discharge gate department of reinforced dolly 3 is integrated with hydraulic drive structure 8, and hydraulic drive structure 8 drive reinforced dolly 3 turn over 4 upsets in order to switch the discharge position of turning over the board.
Concretely, this embodiment discloses a forge burning furnace automatic material conveying system, it provides the guide effect for reinforced dolly 3 through reinforced dolly track, and in order to realize carrying out automated control to the board 4 that turns over of reinforced dolly 3, has hydraulic drive structure 8 through the controller drive, turns over the switching of board 4 position in order to realize turning over through the upset of hydraulic drive structure 8 drive board 4 to realize the switching of 3 ejection of compact positions of reinforced dolly.
In addition, a plurality of limit switches are integrated on the charging trolley track;
a plurality of limit switches divide into:
a left end limit switch and a right end limit switch which are arranged at two ends of the calcining furnace; and
a spiral limit switch;
the charging trolley 3 can stop moving at the left end limit switch and the right end limit switch under the control of an external controller; and
the feeding trolley 3 can stop the spiral operation at the spiral limit switch under the control of an external controller.
In order to facilitate an operator to remotely control the charging trolley 3 to move to a specified position, the system is provided with a plurality of limit switches, namely a left-end limit switch and a right-end limit switch which are limit positions at two ends of the calcining furnace respectively, and a spiral limit switch for determining a spiral stop position, wherein the limit switches are proximity switches, and when the charging trolley 3 moves to the corresponding position, the controller can control the charging trolley 3 to perform corresponding actions, such as stopping running, or stopping spiral and the like.
Preferably, the hydraulic drive structure 8 in the present embodiment includes:
a hydraulic cylinder integrated at the position of the charging trolley 3 close to the discharge port; and
a drive lever 801 connected to a cylinder rod of the hydraulic cylinder;
the driving rod 801 is in transmission connection with the flap shaft 401 of the charging trolley 3 to drive the flap 4 to turn.
In order to solve the inconvenience and rapidness of manually operating the turning plate 4, the hydraulic driving structure 8 is integrated on the charging trolley 3, and the turning plate 4 is driven to move by the hydraulic driving structure 8.
Preferably, the feeding trolley 3 in this embodiment has two symmetrically arranged discharge ports, namely a left discharge port 301 and a right discharge port 302;
when the turning plate 4 is driven by the hydraulic cylinder to turn towards the right side, the materials in the charging trolley 3 are output to a material tank close to the left side of the calcining furnace through a left side discharge hole 301;
when the turning plate 4 is driven by the hydraulic cylinder to turn towards the left side, the materials in the charging trolley 3 are output to a material tank close to the right side of the calcining furnace through the right side discharge hole 302.
In the first embodiment, the number of the calciners in the plant is three for further explanation;
when the calciner comprises three stages;
the three calcining furnaces are sequentially arranged according to the process flow;
the three calcining furnaces are respectively a first calcining furnace 5, a second calcining furnace 6 and a third calcining furnace 7;
the length of the charging trolley track is not less than the total length of the three calcining furnaces and extends along the extending direction of the three calcining furnaces.
Wherein, above-mentioned limit switch includes:
a first left-end limit switch 501 and a first right-end limit switch 502 arranged at both ends of the first calciner 5;
a first screw limit switch 503;
a second left-end limit switch 601 and a second right-end limit switch 602 arranged at both ends of the second calciner 6;
a second spiral limit switch 603;
a third left-end limit switch 701 and a third right-end limit switch 702 arranged at both ends of the third calciner 7;
a third spiral limit switch 703.
In the second embodiment, based on the description of the first embodiment, the system of the present application can be extended to a plant having a plurality of calciners.
In example three, the process steps will now be further explained and illustrated with respect to the number of calciners being one.
The charging process of the calcining furnace mainly comprises the following process steps:
s101, starting a control system;
s102, starting and operating the conveying belt 2 and the feeding assembly 1, and waiting for a seconds;
s103, stopping running from the left form of the charging trolley 3 to the position of a limit switch at the left end of the calcining furnace, and waiting for b seconds to allow the left material tank to be fully charged and then running to the right;
s104, the feeding trolley 3 runs rightwards to the position of the spiral limit switch to stop running in a spiral mode;
s105, continuing to drive the feeding trolley 3 rightwards to a right end limit switch and stopping driving, and waiting for b seconds to fill the right charging bucket with materials;
and S106, stopping the system, and finishing one charging operation.
In the system of this application, in order to avoid reinforced dolly 3 to appear swift current car phenomenon at reinforced in-process, the band-type brake motor through converter control 3kw controls opening of reinforced dolly 3 and stops. In addition, install a five core slide wires additional in original slide wire in workshop for the equipment operation monitoring that electro-hydraulic drive structure, band-type brake motor and later stage used etc. power provide.
According to the system, a control box is hung on the side surface of an original charging control cabinet, and a 1769_ L32E CPU module, a 1769_ PA4 power supply module and an I/O input/output module are additionally arranged according to design requirements, and one 24V stabilized voltage power supply is arranged. And matching the control panel according to the control requirement, and electrically controlling and linking the control panel with the original control cabinet.
RSlogix5000 program design software is used for writing an automatic charging program, and independent charging of any one furnace chamber or simultaneous charging of two furnace chambers is easily realized.
And (3) designing the whole automatic charging dynamic process picture by combining a compiled running program and using Rockwell FactoryTalk View SE software. The operation picture comprises an up-down dynamic flow of material conveying, selection and control of material feeding of a calcining furnace, time input of each control node, and control buttons of system starting, stopping, emergency stopping and the like, and is used for realizing remote manual/automatic control of the whole system flow.
The system operation installs a surveillance camera head additional in 3 starting point positions of every feeding dolly, is convenient for implement whole journey control to whole feeding process at remote control's in-process, guarantees the security of equipment operation.
In the later stage, in order to ensure the personal safety of field personnel in the automatic feeding process, an AC220V power supply audible and visual alarm is additionally arranged on each feeding trolley, and the audible and visual alarm starts alarming when the feeding system is started.
In the technical scheme, the automatic feeding system for the calcinator vehicle type belt provided by the invention has the following beneficial effects:
the system drives the turning plate of the charging trolley to move through the hydraulic cylinder, so that the turning plate can be driven to a proper position more accurately and timely; through the installation of limit switch, the control of each unloading time node, the programming of PLC program realizes the reinforced operation of remote control, realizes the full automatic material conveying of unmanned operation.
The system disclosed by the invention has the advantages that the automation degree of the equipment is improved by remotely controlling the charging, the risk of occupational diseases of operators is effectively reduced, the labor intensity of the operators is reduced, the labor cost is saved, and the normal charging amount of the calcining furnace and the normal work of the calcining furnace are ensured.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. A calciner car type belt automatic feeding system is characterized by comprising:
a charging trolley track extending along the extension direction of the calciner; and
the feeding trolley (3) which moves back and forth along the feeding trolley track is driven by a conveying belt (2);
the system further comprises:
a feeding assembly (1) for conveying materials to the feeding trolley (3);
a hydraulic driving structure (8) is integrated at the discharge port of the charging trolley (3), and the turning plate (4) of the charging trolley (3) is driven to turn over by the hydraulic driving structure (8) so as to switch the discharge position.
2. The automatic calciner vehicle-type belt feeding system as claimed in claim 1, wherein a plurality of limit switches are integrated on the feeding trolley track;
a plurality of limit switches divide into:
a left end limit switch and a right end limit switch which are arranged at two ends of the calcining furnace; and
a spiral limit switch;
the feeding trolley (3) can stop moving at the left end limit switch and the right end limit switch under the control of an external controller; and
the feeding trolley (3) can stop the spiral operation at the spiral limit switch under the control of an external controller.
3. Calciner vehicle-type belt automatic charging system according to claim 1, characterized in that said hydraulic drive structure (8) comprises:
a hydraulic cylinder integrated on the feeding trolley (3) and close to the discharge port; and
a drive rod (801) connected to a rod of the hydraulic cylinder;
the driving rod (801) is in transmission connection with a turning plate shaft (401) of the charging trolley (3) to drive the turning plate (4) to turn.
4. Calciner vehicle-type belt automatic charging system according to claim 3 characterized in that the charging trolley (3) has two symmetrically arranged discharge ports, respectively a left discharge port (301) and a right discharge port (302);
when the hydraulic cylinder drives the turning plate (4) to turn towards the right side, the materials in the charging trolley (3) are output to a material tank close to the left side of the calcining furnace through the left side discharge hole (301);
when the hydraulic cylinder drives the turning plate (4) to turn towards the left side, the materials in the charging trolley (3) are output to a material tank on the right side of the calcining furnace through the right side discharge hole (302).
5. Calciner vehicle-type belt automatic charging system according to any one of claims 2 to 4, characterized in that the calciner comprises three stations;
the three calcining furnaces are sequentially arranged according to the process flow;
the three calcining furnaces are respectively a first calcining furnace (5), a second calcining furnace (6) and a third calcining furnace (7);
the length of the charging trolley track is not less than the total length of the three calcining furnaces, and the charging trolley track extends along the extending direction of the three calcining furnaces.
6. The automatic calciner vehicle-type belt feeding system according to claim 5, wherein the limit switch comprises:
a first left end limit switch (501) and a first right end limit switch (502) which are arranged at two ends of the first calcining furnace (5);
a first spiral limit switch (503);
a second left end limit switch (601) and a second right end limit switch (602) which are arranged at two ends of the second calcining furnace (6);
a second spiral limit switch (603);
a third left-end limit switch (701) and a third right-end limit switch (702) which are arranged at two ends of the third calcining furnace (7);
a third spiral limit switch (703).
7. The automatic feeding system of the calciner vehicle-type belt as claimed in any one of claims 2 to 4, characterized in that the feeding process of the calciner mainly comprises the following process steps:
s101, starting a control system;
s102, starting and operating the conveying belt (2) and the feeding assembly (1), and waiting for a seconds;
s103, stopping running from the left form of the charging trolley (3) to the position of a limit switch at the left end of the calcining furnace, and waiting for b seconds to allow the left end charging bucket to be fully charged and then running to the right;
s104, the feeding trolley (3) runs rightwards to the position of the spiral limit switch, and the spiral stops running;
s105, continuing to drive the feeding trolley (3) rightwards to a right end limit switch and stopping driving, and waiting for b seconds to fill the right charging bucket with materials;
and S106, stopping the system, and finishing one charging operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110118763.6A CN112902673A (en) | 2021-01-28 | 2021-01-28 | Automatic feeding system for calcinator vehicle type belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110118763.6A CN112902673A (en) | 2021-01-28 | 2021-01-28 | Automatic feeding system for calcinator vehicle type belt |
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| CN112902673A true CN112902673A (en) | 2021-06-04 |
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|---|---|---|---|
| CN202110118763.6A Pending CN112902673A (en) | 2021-01-28 | 2021-01-28 | Automatic feeding system for calcinator vehicle type belt |
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|---|---|---|---|---|
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| CN104677110A (en) * | 2014-04-01 | 2015-06-03 | 中冶北方（大连）工程技术有限公司 | Bulk material trolley control system for ring cooling machine and control method for bulk material trolley control system |
| CN205077089U (en) * | 2015-09-29 | 2016-03-09 | 北京首钢国际工程技术有限公司 | Ferroalloy toasts and feeding equipment on line for BOF steelmaking |
| CN205294179U (en) * | 2016-01-06 | 2016-06-08 | 河北钢铁股份有限公司邯郸分公司 | Transfer fork funnel is carried to modified material |
| CN207922855U (en) * | 2018-03-05 | 2018-09-28 | 索通发展股份有限公司 | A kind of can-type calcine furnace suspension type adds petroleum coke trolley automatic feeding device |
| CN208736186U (en) * | 2018-08-02 | 2019-04-12 | 茌平信源碳素有限公司 | Pot-type calcining furnace top batch can automatic feeding system |
| CN210128624U (en) * | 2019-05-23 | 2020-03-06 | 机械工业第六设计研究院有限公司 | Automatic material preparation system of brown corundum smelting furnace |
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Application publication date: 20210604 |