CN110906753A - Alloy smelting furnace slag scraping device and using method thereof - Google Patents
Alloy smelting furnace slag scraping device and using method thereof Download PDFInfo
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- CN110906753A CN110906753A CN201911141490.6A CN201911141490A CN110906753A CN 110906753 A CN110906753 A CN 110906753A CN 201911141490 A CN201911141490 A CN 201911141490A CN 110906753 A CN110906753 A CN 110906753A
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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
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
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Abstract
The invention discloses a slag removing device for an alloy smelting furnace, which comprises an installation frame and a rotating shaft, wherein a transverse plate is welded at the top of the installation frame, a vertically arranged first hydraulic column is rotatably installed at the top of the transverse plate, the top of the first hydraulic column is connected with a top plate, the top of the top plate is connected with a second hydraulic column which is downwards inclined, the bottom end of the second hydraulic column is connected with a loading frame, the rotating shaft is rotatably installed at the bottom end of the loading frame, and a rotating impeller is installed outside the rotating shaft. When the slag is scraped out, the first hydraulic column can continuously contract downwards along with the continuous reduction of the height of the internal slag, so that the rotary impeller can be always contacted with the slag. The roof is held and is rotated round first hydraulic pressure post at the clearance in-process, and then makes the loading frame rotate in the inside of furnace chamber, and the efficiency of clearance obtains improving, and the clearance is convenient high-efficient more, and easy operation is swift. The internal slag is cleaned more thoroughly, and the cleaning area is increased.
Description
Technical Field
The invention relates to a slag removing device, in particular to a slag removing device for an alloy smelting furnace and a using method thereof, and belongs to the application field of alloy smelting furnaces.
Background
The alloy smelting furnace is a furnace body for melting and synthesizing the smelting alloy, and various raw materials are melted and solidified at high temperature to form the alloy. A large amount of slag is often left in the device, which affects subsequent processing and needs to be removed by using a slag raking device.
However, the existing slag raking device for the alloy smelting furnace still has certain defects in use. The existing slag is often manually taken out by workers, the working efficiency is low, and the safety performance cannot be guaranteed. And the slag after being taken off cannot be processed in time, is easy to scatter on the ground, needs to be further cleaned, and has large limitation. When the slag is cleaned, particles such as dust and the like are easily generated, and certain pollution is caused to the environment.
Disclosure of Invention
The invention aims to provide a slag raking device for an alloy smelting furnace and a using method thereof, which can solve the problems that the existing slag raking device is often manually raked by workers, the working efficiency is low, and the safety performance cannot be guaranteed. And the slag after being taken off cannot be processed in time, is easy to scatter on the ground, needs to be further cleaned, and has large limitation. When the slag is cleaned, particles such as dust and the like are easily generated, and certain pollution is caused to the environment.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an alloy smelting furnace slag removing device, includes installation frame and pivot, the top welding of installation frame has the diaphragm, and the top of diaphragm is rotated and is installed the first hydraulic pressure post of vertical setting, and the top of first hydraulic pressure post is connected with the roof, the top of roof is connected with the second hydraulic pressure post of downward sloping, and the bottom of second hydraulic pressure post is connected with loads the frame, load the bottom of frame and rotate and install the pivot, the externally mounted of pivot has rotatory impeller.
The side plates are connected to two sides of one end, close to the loading frame, of the installation frame, the bottom plate is connected between the bottoms of the two side plates, the end, far away from the installation frame, of the two side plates is connected with the end portion frame, third hydraulic columns are connected between the end portion frame and the side plates and between the end portions of the end portion frame and the bottom plate, and elastic sealing sleeves are installed on the outer portions of the connecting portions of the side faces and the bottoms of the end portion frame.
Preferably, the upper portion of installation frame is provided with the dust suction box in the below fixed mounting of diaphragm, and the below of dust suction box is provided with the dust absorption mouth.
Preferably, the sieve net board that the downward sloping set up is installed to the inside middle-end of installation frame in the below of suction box, and the sieve net board includes first filter screen and second filter screen, and the mesh of second filter screen is greater than first filter screen, and the sieve net board is installed in the one end below of bottom plate, and the bottom of bottom plate is to the slope of sieve net board.
Preferably, storage tank and conveyer belt are installed respectively to the inside bottom both sides of installation frame, and the storage tank is installed in the one side that is close to the loading frame, and sets up in the below of first filter screen, and the conveyer belt is installed in the below of second filter screen, and the bottom of second filter screen is connected with row cinder notch, and row cinder notch is just to the conveyer belt, and the sieve plate is the slope setting, and the bottom towards the conveyer belt.
Preferably, a sealing gasket is connected to one side of the end frame, which is far away from the mounting frame.
Preferably, the loading frame is in an inverted 'concave' shape, the rotating shaft is rotatably installed inside the lower portion of the loading frame, one end of the rotating shaft is connected with an output shaft of the motor, the motor is installed inside the loading frame, and the rotating impeller protrudes from the bottom end of the loading frame.
The use method of the slag scraping device for the alloy smelting furnace comprises the following specific steps:
the method comprises the following steps: when slag in the smelting furnace needs to be cleaned, the mounting frame is pushed to move to a discharge hole of the smelting furnace, the end frames on the side faces are abutted against the outside of the smelting furnace, the mounting frame is fixed, meanwhile, the third hydraulic column is started to push the end frames to move towards the smelting furnace, and the end frames can be further abutted against the outside of the smelting furnace tightly;
step two: the loading frame faces to a slag outlet of the smelting furnace, and the second hydraulic column extends to drive the loading frame to enter the smelting furnace from the slag outlet; when the slag is scraped out, the rotating impeller at the bottom of the loading frame is contacted with the slag in the furnace chamber, and the motor drives the rotating shaft to rotate so as to drive the rotating impeller outside to rotate; the rotary impeller scrapes out slag in the smelting furnace, and the slag in the smelting furnace falls into the upper part of the end frame along with the rotation of the rotary impeller and then slides to the upper part of the screen plate along the end frame and the bottom plate; when the slag is taken off, the first hydraulic column continuously shrinks downwards along with the continuous reduction of the internal slag height, and the rotary impeller is always in contact with the slag; the top plate is held to rotate around the first hydraulic column in the cleaning process, and the loading frame rotates inside the furnace chamber;
step three: the slag slides downwards along the screen plate, fine slag particles fall into the storage tank after being filtered by the first filter screen and the second filter screen, and large slag particles fall into the upper part of the conveyor belt from the slag discharge port and are conveyed to other positions; in the slag screening process, the dust generated by screening is absorbed by the dust absorption port and stored in the dust absorption box, so that the slag is prevented from polluting the environment.
The invention has the beneficial effects that:
1. through end frame between two curb plates for when the slag need be cleared up, promote the installation frame and remove the discharge gate of smelting furnace, third hydraulic pressure post promotes end frame and removes to the smelting furnace, make end frame can further with the outside inseparable butt of smelting furnace, the contact gap between end frame and the smelting furnace can not be followed to slag notch exhaust slag and leaked, sealing performance obtains promoting, the slag is difficult for unrestrained, can not pollute ground, convenient and fast more.
2. Through the first hydraulic pressure post of sub-unit connection at the roof for the work back that the loading frame entered into the inside of smelting furnace from the slag notch, the height of loading frame in the smelting furnace inside can be adjusted to first hydraulic pressure post flexible from top to bottom, and then can adapt to the slag of the inside different thickness of smelting furnace, has avoided rotary impeller to receive the extrusion of slag and has damaged.
3. When the furnace slag is raked, the rotary impeller at the bottom of the loading frame is in contact with the molten slag in the furnace chamber, the rotary impeller rotates to rake out the molten slag in the smelting furnace, and the internal molten slag falls into the upper part of the end frame along with the rotation of the rotary impeller and then slides to the upper part of the screen plate along the end frame and the bottom plate. When the slag is scraped out, the first hydraulic column can continuously contract downwards along with the continuous reduction of the height of the internal slag, so that the rotary impeller can be always contacted with the slag. The roof is held and is rotated round first hydraulic pressure post at the clearance in-process, and then makes the loading frame rotate in the inside of furnace chamber, and the efficiency of clearance obtains improving, and the clearance is convenient high-efficient more, and easy operation is swift. The internal slag is cleaned more thoroughly, and the cleaning area is increased.
4. Through the below installation storage tank conveyer belt at the screen cloth board for the slag is along the downward landing of screen cloth board, and through the filtration of first filter screen and second filter screen, the slag of tiny granule falls into the inside of storage tank, and the slag that the granule is big falls into the upper portion of conveyer belt from row's cinder notch, is transported other positions. In the slag screening process, the dust generated by screening is absorbed by the dust absorption port and stored in the dust absorption box, so that the slag is prevented from polluting the environment, and the slag screening device is more environment-friendly. The slag scraping device is simple to use, high in slag removing efficiency and more thorough in slag removing. Can adapt to the oven cavities with different shapes and sizes.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the side panel and end frame mounting structure of the present invention.
Fig. 3 is a schematic view of the end frame structure of the present invention.
Fig. 4 is a schematic diagram of the internal structure of the loading frame of the present invention.
Fig. 5 is a schematic view of the structure of the screen plate of the present invention.
FIG. 6 is an enlarged view of detail A in FIG. 1 according to the present invention.
In the figure: 1. a mounting frame; 2. a material storage tank; 3. a conveyor belt; 4. a slag discharge port; 5. a screen plate; 6. a dust suction port; 7. a dust collection box; 8. a first hydraulic column; 9. a top plate; 10. a second hydraulic column; 11. a loading frame; 12. a side plate; 13. a gasket; 14. an end frame; 15. a third hydraulic column; 16. rotating the impeller; 17. a motor; 18. a rotating shaft; 19. a first filter screen; 20. a second filter screen; 21. an elastic sealing sleeve.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the slag removing device for the alloy smelting furnace comprises an installation frame 1 and a rotating shaft 18, wherein a transverse plate is welded at the top of the installation frame 1, a vertically arranged first hydraulic column 8 is rotatably installed at the top of the transverse plate, the top of the first hydraulic column 8 is connected with a top plate 9, the top of the top plate 9 is connected with a second hydraulic column 10 which inclines downwards, the bottom end of the second hydraulic column 10 is connected with a loading frame 11, the bottom end of the loading frame 11 is rotatably installed with the rotating shaft 18, and a rotating impeller 16 is installed outside the rotating shaft 18;
installing frame 1 is close to loading frame 11 one end both sides and all is connected with curb plate 12, is connected with the bottom plate between the bottom of two curb plates 12, and the one end that installing frame 1 was kept away from to two curb plates 12 is connected with end frame 14, all is connected with third hydraulic column 15 between end frame 14 and curb plate 12 and the bottom plate, and the side of end frame 14 and the outside of bottom and curb plate 12 and bottom plate junction all install elastic sealing cover 21.
The upper portion of installation frame 1 has dust suction box 7 in the below fixed mounting of diaphragm, and dust suction box 7's below is provided with dust absorption mouth 6, and in the slag screening process, dust absorption mouth 6 absorbs the dust that the screening produced and leaves the inside in dust suction box 7, has avoided the slag polluted environment, environmental protection more.
The sieve plate 5 that the downward sloping set up is installed to the inside middle-end of installation frame 1 in the below of dust absorption case 7, and sieve plate 5 includes first filter screen 19 and second filter screen 20, and the mesh of second filter screen 20 is greater than first filter screen 19, and sieve plate 5 is installed in the one end below of bottom plate, and the bottom of bottom plate is to sieve plate 5 slope, and sieve plate 5 can filter the slag, makes things convenient for subsequent collection to handle.
The side of the end frame 14 facing away from the mounting frame 1 is connected to a gasket 13, which gasket 13 further improves the sealing.
The loading frame 11 is arranged in an inverted 'concave' shape, the rotating shaft 18 is rotatably installed inside the lower part of the loading frame 11, one end of the rotating shaft 18 is connected with an output shaft of the motor 17, the motor 17 is installed inside the loading frame 11, and the rotating impeller 16 protrudes from the bottom end of the loading frame 11.
The use method of the slag scraping device for the alloy smelting furnace comprises the following specific steps:
the method comprises the following steps: when slag in the smelting furnace needs to be cleaned, the mounting frame 1 is pushed to move to a discharge hole of the smelting furnace, the end frames 14 on the side faces are abutted against the outside of the smelting furnace, the mounting frame 1 is fixed, meanwhile, the third hydraulic columns 15 are started to push the end frames 14 to move towards the smelting furnace, and the end frames 14 can be further abutted against the outside of the smelting furnace tightly;
step two: the loading frame 11 faces to a slag outlet of the smelting furnace, and the second hydraulic column 10 extends to drive the loading frame 11 to enter the smelting furnace from the slag outlet; when slag is raked out, the rotary impeller 16 at the bottom of the loading frame 11 is in contact with the slag in the furnace chamber, and the motor 17 drives the rotating shaft 18 to rotate so as to drive the external rotary impeller 16 to rotate; the rotary impeller 16 scrapes out slag in the smelting furnace, and the slag in the smelting furnace falls into the upper part of the end frame 14 along with the rotation of the rotary impeller 16 and further slides to the upper part of the screen plate 5 along the end frame 14 and the bottom plate; when the slag is taken off, the first hydraulic column 8 continuously shrinks downwards along with the continuous reduction of the internal slag height, and the rotary impeller 16 is always in contact with the slag; the top plate 9 is held to rotate around the first hydraulic column 8 during cleaning, and the loading frame 11 rotates inside the furnace chamber;
step three: the slag slides downwards along the screen plate 5, and is filtered by the first filter screen 19 and the second filter screen 20, fine slag particles fall into the storage tank 2, and large slag particles fall into the upper part of the conveyor belt 3 from the slag discharge port 4 and are conveyed to other positions; in the slag screening process, the dust generated by screening is absorbed by the dust absorption port 6 and stored in the dust absorption box 7, so that the slag is prevented from polluting the environment.
When the slag-removing device is used and slag in the smelting furnace needs to be cleaned, the mounting frame 1 is pushed to move to the discharge hole of the smelting furnace, the end frames 14 on the side faces are abutted to the outside of the smelting furnace, the mounting frame 1 is fixed, and the mounting frame cannot move in use and is stable in position. And meanwhile, the third hydraulic column 15 is started to push the end frame 14 to move towards the smelting furnace, so that the end frame 14 can be further abutted with the outside of the smelting furnace tightly, slag discharged from a slag outlet cannot leak from a contact gap between the end frame 14 and the smelting furnace, the sealing performance is improved, the slag is not easy to spill, the ground cannot be polluted, and the smelting furnace is more convenient and faster.
The carrier 11 is directed towards the tap hole of the smelting furnace and the second hydraulic column 10 is extended, bringing the carrier 11 from the tap hole into the interior of the smelting furnace. The height of the loading frame 11 in the smelting furnace can be adjusted by up-down stretching of the first hydraulic column 8, so that the loading frame can adapt to the slags with different thicknesses in the smelting furnace, and the rotary impeller 16 is prevented from being damaged due to the extrusion of the slags.
When the slag is raked, the rotary impeller 16 at the bottom of the loading frame 11 is in contact with the slag in the furnace chamber, and the motor 17 drives the rotating shaft 18 to rotate, so as to drive the external rotary impeller 16 to rotate. The rotary impeller 16 scrapes off slag in the smelting furnace, and the slag falls into the upper part of the end frame 14 along with the rotation of the rotary impeller 16 and further slides to the upper part of the screen plate 5 along the end frame 14 and the bottom plate. When the slag is scraped out, the first hydraulic column 8 can continuously contract downwards along with the continuous reduction of the height of the internal slag, so that the rotary impeller 16 can be in contact with the slag all the time. And in order to ensure that the internal slag is cleaned more thoroughly, the cleaning area is increased. Can hold roof 9 at the clearance in-process and rotate round first hydraulic column 8, and then make loading frame 11 rotate in the inside of furnace chamber, the efficiency of clearance obtains improving, and the clearance is convenient high-efficient more, and easy operation is swift. The slag in the furnace chamber can be completely cleaned to the upper part of the screen plate 5.
The slag slides down along the screen plate 5, and is filtered by the first filter screen 19 and the second filter screen 20, fine slag particles fall into the storage tank 2, and large slag particles fall into the upper part of the conveyor belt 3 from the slag discharge port 4 and are conveyed to other positions. In the slag screening process, the dust generated by screening is absorbed by the dust absorption port 6 and stored in the dust absorption box 7, so that the environment pollution caused by slag is avoided, and the slag screening method is more environment-friendly. The slag scraping device is simple to use, high in slag removing efficiency and more thorough in slag removing. Can adapt to the oven cavities with different shapes and sizes.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The slag removing device for the alloy smelting furnace is characterized by comprising an installation frame (1) and a rotating shaft (18), wherein a transverse plate is welded at the top of the installation frame (1), a vertically arranged first hydraulic column (8) is rotatably installed at the top of the transverse plate, a top plate (9) is connected to the top of the first hydraulic column (8), a second hydraulic column (10) which inclines downwards is connected to the top of the top plate (9), a loading frame (11) is connected to the bottom end of the second hydraulic column (10), the rotating shaft (18) is rotatably installed at the bottom end of the loading frame (11), and a rotating impeller (16) is installed outside the rotating shaft (18);
the mounting frame (1) is close to loading frame (11) one end both sides and all is connected with curb plate (12), is connected with the bottom plate between the bottom of two curb plates (12), and the one end that mounting frame (1) was kept away from in two curb plates (12) is connected with tip frame (14), all is connected with third hydraulic column (15) between tip frame (14) and curb plate (12) and the bottom plate, and the side of tip frame (14) and the outside of bottom and curb plate (12) and bottom plate junction all install elasticity seal cover (21).
2. The alloy smelting furnace slag raking device according to claim 1, wherein a dust suction box (7) is fixedly arranged at the upper part of the mounting frame (1) below the transverse plate, and a dust suction port (6) is arranged below the dust suction box (7).
3. The alloy smelting furnace slag raking device according to claim 1, wherein a screen plate (5) arranged in a downward inclination manner is installed at the middle end in the installation frame (1) below the dust collection box (7), the screen plate (5) comprises a first screen (19) and a second screen (20), the meshes of the second screen (20) are larger than the first screen (19), the screen plate (5) is installed below one end of the bottom plate, and the bottom end of the bottom plate inclines towards the screen plate (5).
4. The alloy smelting furnace slag scraping device according to claim 1, wherein a storage tank (2) and a conveyor belt (3) are respectively installed on two sides of the inner bottom end of the installation frame (1), the storage tank (2) is installed on one side close to the loading frame (11) and is arranged below the first filter screen (19), the conveyor belt (3) is installed below the second filter screen (20), the bottom end of the second filter screen (20) is connected with the slag discharge port (4), the slag discharge port (4) is opposite to the conveyor belt (3), the screen plate (5) is obliquely arranged, and the bottom end faces the conveyor belt (3).
5. An alloy smelting furnace slag raking device according to claim 1, characterized in that a gasket (13) is attached to the side of the end frame (14) remote from the mounting frame (1).
6. The alloy smelting furnace slag raking device according to claim 1, wherein the loading frame (11) is arranged in an inverted concave shape, the rotating shaft (18) is rotatably installed inside the lower part of the loading frame (11), one end of the rotating shaft (18) is connected with an output shaft of a motor (17), the motor (17) is installed inside the loading frame (11), and the rotating impeller (16) protrudes from the bottom end of the loading frame (11).
7. The use method of the slag removing device of the alloy smelting furnace according to claim 1 is characterized by comprising the following steps:
the method comprises the following steps: when slag in the smelting furnace needs to be cleaned, the mounting frame (1) is pushed to move to a discharge hole of the smelting furnace, the end frame (14) on the side face is abutted against the outside of the smelting furnace, the mounting frame (1) is fixed, meanwhile, a third hydraulic column (15) is started to push the end frame (14) to move towards the smelting furnace, and the end frame (14) can be further abutted against the outside of the smelting furnace tightly;
step two: the loading frame (11) faces to a slag outlet of the smelting furnace, and the second hydraulic column (10) extends to drive the loading frame (11) to enter the smelting furnace from the slag outlet; when slag is raked out, a rotary impeller (16) at the bottom of the loading frame (11) is in contact with the slag in the furnace chamber, and a motor (17) drives a rotating shaft (18) to rotate so as to drive an external rotary impeller (16) to rotate; the rotary impeller (16) scrapes out slag in the smelting furnace, and the slag in the smelting furnace falls into the upper part of the end frame (14) along with the rotation of the rotary impeller (16) and then slides to the upper part of the screen plate (5) along the end frame (14) and the bottom plate; when the slag is taken off, the first hydraulic column (8) continuously shrinks downwards along with the continuous reduction of the internal slag height, and the rotary impeller (16) is always contacted with the slag; the top plate (9) is held to rotate around the first hydraulic column (8) in the cleaning process, and the loading frame (11) rotates inside the furnace chamber;
step three: the slag slides down along the screen plate (5), and is filtered by the first filter screen (19) and the second filter screen (20), fine slag particles fall into the storage tank (2), and large slag particles fall into the upper part of the conveyor belt (3) from the slag discharge port (4) and are conveyed to other positions; in the slag screening process, the dust generated by screening is absorbed by the dust absorption port (6) and stored in the dust absorption box (7), so that the slag is prevented from polluting the environment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911141490.6A CN110906753B (en) | 2019-11-20 | 2019-11-20 | Alloy smelting furnace slag scraping device and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911141490.6A CN110906753B (en) | 2019-11-20 | 2019-11-20 | Alloy smelting furnace slag scraping device and using method thereof |
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| CN110906753A true CN110906753A (en) | 2020-03-24 |
| CN110906753B CN110906753B (en) | 2021-06-22 |
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| CN205477612U (en) * | 2016-01-13 | 2016-08-17 | 王纪军 | Novel mining slagging -off machine |
| CN108531757A (en) * | 2018-04-18 | 2018-09-14 | 阿坝铝厂 | A kind of molten aluminum holding furnace stabilization high efficiency skimmer |
| CN208563411U (en) * | 2018-07-16 | 2019-03-01 | 乔耀 | A kind of scraper bowl of included mining slag scraping mechanism |
| CN209494566U (en) * | 2018-12-29 | 2019-10-15 | 洛阳高峰工程机械有限公司 | A kind of all-in-one machine of skimming of whitewashing |
| CN209632118U (en) * | 2019-03-22 | 2019-11-15 | 山东军成机械科技有限公司 | A kind of novel slag removing machine |
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2019
- 2019-11-20 CN CN201911141490.6A patent/CN110906753B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205477612U (en) * | 2016-01-13 | 2016-08-17 | 王纪军 | Novel mining slagging -off machine |
| CN108531757A (en) * | 2018-04-18 | 2018-09-14 | 阿坝铝厂 | A kind of molten aluminum holding furnace stabilization high efficiency skimmer |
| CN208563411U (en) * | 2018-07-16 | 2019-03-01 | 乔耀 | A kind of scraper bowl of included mining slag scraping mechanism |
| CN209494566U (en) * | 2018-12-29 | 2019-10-15 | 洛阳高峰工程机械有限公司 | A kind of all-in-one machine of skimming of whitewashing |
| CN209632118U (en) * | 2019-03-22 | 2019-11-15 | 山东军成机械科技有限公司 | A kind of novel slag removing machine |
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