CN108722541B - Broken shot blasting system of return burden - Google Patents
Broken shot blasting system of return burden Download PDFInfo
- Publication number
- CN108722541B CN108722541B CN201810667861.3A CN201810667861A CN108722541B CN 108722541 B CN108722541 B CN 108722541B CN 201810667861 A CN201810667861 A CN 201810667861A CN 108722541 B CN108722541 B CN 108722541B
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- crushing
- shot blasting
- shot
- frame
- conveying
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- 238000005422 blasting Methods 0.000 title claims abstract description 83
- 239000000463 material Substances 0.000 claims abstract description 83
- 238000012546 transfer Methods 0.000 claims abstract description 10
- 238000005303 weighing Methods 0.000 claims description 11
- 239000008188 pellet Substances 0.000 claims description 8
- 239000003110 molding sand Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 3
- -1 ferrous metals Chemical class 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 238000005266 casting Methods 0.000 description 19
- 239000004576 sand Substances 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
- B02C1/04—Jaw crushers or pulverisers with single-acting jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/06—Impeller wheels; Rotor blades therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the foundry industry, in particular to crushing and shot blasting treatment of returned materials of ferrous metals and nonferrous metals, which realizes the recovery treatment of the returned materials. The furnace return material crushing and shot blasting system comprises a crushing system and a shot blasting system, and a transfer conveying system between the crushing system and the shot blasting system, wherein the crushing system comprises a first frame installed on the ground, a crushing assembly for crushing the furnace return material is arranged on the first frame, and a vibration conveying mechanism for conveying the crushed furnace return material is arranged below the crushing assembly; the shot blasting system comprises a second frame arranged on the ground, a shot blasting treatment assembly for performing shot blasting treatment on the crushed return furnace material is arranged on the second frame, and a second lifting assembly for conveying the crushed return furnace material on the transferring and conveying system into the shot blasting treatment assembly is also arranged on the second frame. The invention realizes the automatic operation of recycling the returned materials, and solves the problems of poor manual efficiency and high working strength.
Description
Technical Field
The invention relates to the foundry industry, in particular to crushing and shot blasting treatment of returned materials of ferrous metals and nonferrous metals, which realizes the recovery treatment of the returned materials.
Background
The furnace returns are the furnace returns such as pouring gate, riser, scrapped casting and the like which are produced in the casting process of the casting industry (ferrous metal and nonferrous metal casting), and account for as much as 10-20% of the molten iron yield, the pouring gate, riser and scrapped casting in the furnace returns are generally large in volume, and in the furnace returns, great difficulties are brought to transportation, storage and automatic feeding, so that the electric furnace is small in filling density, long in melting time and great in energy waste, the crushing of the casting furnace returns in China at present basically depends on manual beating and crushing, hand-held hydraulic pliers cutting, the labor intensity is high, and the working environment is bad. Although some machines are broken, the processing capacity is small, the adaptability is poor, and the automation degree is low.
Casting sand is smeared on the furnace return material, steel slag is more caused by direct furnace feeding and melting, the quality of molten iron is difficult to control, if a shot blasting machine is used for carrying out shot blasting cleaning on the crushed furnace return material, the sand on the furnace return material can be removed, the quality of molten iron can be improved, the waste of steel slag and subsidiary molten iron is reduced, and because a crusher and a shot blasting machine with good matching property are not provided, the requirements are just met for crushing and shot blasting people of the furnace return material.
Disclosure of Invention
According to the actual production requirements, the invention designs a return furnace material crushing and shot blasting system for crushing return furnace materials and separating casting sand adhered to the return furnace materials through shot blasting.
The technical scheme of the invention is as follows:
the broken ball system of throwing of back furnace charge, its characterized in that: comprises a crushing system, a shot blasting system and a transferring and conveying system between the crushing system and the shot blasting system,
the crushing system comprises a first frame arranged on the ground, a crushing assembly for crushing the returned furnace material is arranged on the first frame, and a vibration conveying mechanism for conveying the crushed returned furnace material is arranged below the crushing assembly;
the shot blasting system comprises a second frame arranged on the ground, a shot blasting treatment assembly for performing shot blasting treatment on the crushed return furnace material is arranged on the second frame, and a second lifting assembly for conveying the crushed return furnace material on the transferring and conveying system into the shot blasting treatment assembly is also arranged on the second frame.
The crushing assembly comprises a crushing hopper fixed on the frame, a crushing mechanism is arranged below the crushing hopper, the crushing mechanism comprises a fixed crushing plate connected with the frame and a movable crushing plate hinged on the frame, the fixed crushing plate and the movable crushing plate are arranged in a V-shaped mode, and a hydraulic cylinder for pushing and pulling the movable crushing plate to swing back and forth is arranged on the frame.
The surface of fixed breaker plate and movable breaker plate be equipped with a plurality of rows of broken teeth, and the broken tooth staggered arrangement of adjacent row.
The shot blasting assembly comprises a swinging groove, the swinging groove is placed in a shot blasting chamber on the second frame, a discharge hole is formed in the lower end of the shot blasting chamber, a feed inlet is formed in the upper portion of the shot blasting chamber, and a plurality of shot blasting assemblies are further arranged at the top of the shot blasting chamber.
The shot blasting assembly comprises a shell connected with a shot blasting chamber, a shot outlet for the shot to fly out is formed in the bottom of the shell, a cylindrical shot bin for feeding is formed in the side wall of the shell, a plurality of shot outlets are formed in the shot bin, a fixed bin is arranged outside the shot bin, a shot discharging port is formed in the fixed bin, a rotatable driving disc is arranged on the fixed bin, and driving plates are uniformly distributed on the driving disc.
The transfer conveying system comprises a weighing section and a conveying section, wherein the weighing section comprises a base connected with the ground, a roller way mounting bracket is arranged on the base, a weighing sensor is arranged between the roller way mounting bracket and the base, the conveying section comprises a supporting leg connected with the ground, the upper end of the supporting leg is provided with a conveying roller way mounting bracket, and a plurality of roller ways are arranged on the roller way mounting bracket and the conveying roller way mounting bracket.
The vibration conveying mechanism comprises a supporting leg fixedly connected with the ground, and further comprises a U-shaped groove body with one end being open, wherein a plurality of holes for scattered molding sand and pellets to screen out are formed in the bottom surface of the U-shaped groove body, an elastic part is arranged between the lower surface of the U-shaped groove body and the supporting leg, a vibration motor which drives the U-shaped groove body to vibrate and is provided with an eccentric block is further arranged on the U-shaped groove body, and an opening end of the U-shaped groove body is provided with an opening and closing assembly for controlling materials to flow out.
The opening and closing assembly comprises a mounting seat connected to the upper end of the U-shaped groove body, a rotatable swing arm is arranged on the mounting seat, a baffle is arranged at the front end of the swing arm, and a driving cylinder for driving the swing arm to rotate is further arranged on the U-shaped groove body.
The first frame is also provided with a first lifting mechanism for conveying the materials to be crushed into the crushing assembly.
The invention has the following beneficial effects: according to the invention, the returned furnace material is crushed by the crushing system, the returned furnace material can be crushed better by a mechanical crushing mode, the crushing effect is good, the problems of large workload and poor working environment caused by manual crushing in the prior art are also overcome, further, the crushed returned furnace material enters the shot blasting system through the transfer conveying system, the returned furnace material is impacted by the shot in the shot blasting system, the casting sand adhered to the returned furnace material is removed, the separation of the returned furnace material and the casting sand is completed, the impurities in the returned furnace material are reduced, and the stabilized quality of the re-melted returned furnace material is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic view of the weighing section of the transfer conveyor system;
FIG. 4 is a schematic structural view of a shot blasting assembly;
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the return furnace material crushing and shot blasting system is characterized in that: the device comprises a crushing system 1, a shot blasting system 2 and a transferring and conveying system 3 between the crushing system and the shot blasting system, wherein the transferring and conveying system is used for conveying returned furnace materials crushed by the crushing system to the shot blasting system;
the crushing system 1 comprises a first frame 10 arranged on the ground, a crushing assembly 11 for crushing the returned furnace material is arranged on the first frame 10, and a vibration conveying mechanism 12 for conveying the crushed returned furnace material is arranged below the crushing assembly 11;
the shot blasting system 2 comprises a second frame 20 arranged on the ground, a shot blasting assembly 21 for performing shot blasting treatment on the crushed return furnace material is arranged on the second frame 20, a second lifting assembly 22 for conveying the crushed return furnace material on the transferring and conveying system into the shot blasting assembly is also arranged on the second frame, and the second lifting assembly is a conventional bucket elevator, and is not described in the structural development.
According to the invention, a return furnace material crushing and shot blasting system is designed aiming at the difficulty in the recovery of the return furnace material in the prior art, the shape of a pouring channel is designed variously according to different pouring demands, the shape of the return furnace material is made various, casting sand is adhered to each part, the return furnace material is crushed through the crushing system, after the return furnace material is crushed, the size is reduced, automatic feeding is convenient, the charging density of an electric furnace is improved, the melting time is shortened, electric energy is saved, the subsequent shot blasting treatment is also convenient, the return furnace material is easy to roll in the shot blasting treatment process, the effect of the shot blasting treatment is ensured, further, in the crushing process, part of the casting sand on the return furnace material is separated from the return furnace material, the first separation of the return furnace material from the casting sand is realized, and then the transfer conveying system conveys the crushed return furnace material into the shot blasting system, the casting sand adhered to the return furnace material is separated from the return furnace material, the casting sand on the surface of the return furnace material can be completely removed, the casting sand on the surface of the return furnace material is ensured, and the quality of the return furnace material is improved.
As shown in fig. 2, the crushing assembly 11 includes a crushing hopper 110 fixed on a frame, a crushing mechanism 111 is disposed below the crushing hopper 110, the crushing mechanism 111 includes a fixed crushing plate 1110 connected with the frame 10, and a movable crushing plate 1111 hinged on the frame 10, the fixed crushing plate 1110 and the movable crushing plate 1111 are arranged in a V-shape, a hydraulic cylinder 1112 driving the movable crushing plate to swing reciprocally is disposed on the frame 10, the fixed crushing plate and the movable crushing plate are arranged in a V-shape, a certain accommodating amount is provided at an upper end, a part of the returned burden can be carried, a discharge hole is formed at a lower end, the crushed returned burden flows out from the discharge hole, enters into a vibration conveying mechanism, and enters between the fixed crushing plate and the movable crushing plate, the movable crushing plate is driven to swing by the hydraulic cylinder, and the returned burden is strongly extruded by the movable crushing plate in the swing process, so as to complete the crushing of the returned burden.
The surface of the fixed crushing plate 1110 and the movable crushing plate 1111 are provided with a plurality of rows of crushing teeth 1113, and the crushing teeth in the adjacent rows are staggered, so that the crushing teeth form a jaw, and the returned furnace material can be crushed better.
As shown in fig. 1, the shot blasting assembly 21 includes a swinging groove 210, the swinging groove 210 is disposed in the shot blasting chamber of the second frame 20, a driving mechanism for driving the swinging groove to swing or rotate around the connection position of the swinging groove and the second frame is disposed on the second frame, the swinging groove is a polygonal groove body with left and right ends sealed at the upper end, the furnace return material is enabled to be continuously turned during the swinging process of the swinging groove, so that the shot can better and more fully collide with the surface of the furnace return material, a discharge hole is disposed at the lower end of the shot blasting chamber 211, a feed inlet 213 is disposed at the upper portion of the shot blasting chamber 211, a plurality of shot blasting assemblies 214 are disposed at the upper portion of the shot blasting chamber 211, and the plurality of shot blasting assemblies disposed can enable the shot to act on the furnace return material from different angles, thereby improving the shot blasting effect.
As shown in fig. 4, the shot blasting assembly 214 includes a housing connected to a shot blasting chamber, the housing is not shown in the drawing, a shot outlet for the pellets to fly out is provided on the ground of the housing, a cylindrical shot bin 2140 for feeding is provided on the side wall of the housing, a plurality of outlets 2141 are provided on the shot bin 2140, a fixed bin 2142 is provided outside the shot bin 2140, a shot outlet 2143 is provided on the fixed bin 2142, a rotatable driving disc 2144 is provided on the fixed bin 2142, a driving plate 2145 is uniformly provided on the driving disc 2144, the shot bin rotates, under the action of centrifugal force, the pellets flow out from the shot outlet of the bin into a gap between the bin and the fixed bin, then flow out from the shot outlet of the fixed bin into a spacing area formed by the driving plate on the driving disc, the driving disc acts on the pellets to make the pellets reach a certain speed and cast, the pellets impact on the surface of the reflow, casting sand adhered on the reflow is shed, and the power of the shot blasting motor assembly is not described here.
The transfer conveying system 3 comprises a weighing section 30 and a conveying section 31, the weighing section 30 comprises a base 301 connected with the ground, a roller way mounting bracket 302 is arranged on the base 301, a weighing sensor 303 is arranged between the roller way mounting bracket 302 and the base 301, the conveying section 31 comprises a supporting leg 310 connected with the ground, a conveying roller way mounting bracket 311 is arranged at the upper end of the supporting leg 310, a plurality of roller ways are arranged on the roller way mounting bracket 302 and the conveying roller way mounting bracket 311, a hopper moves back and forth on the transfer conveying system, so that the conveying of materials between a crushing system and a shot blasting system is realized, and meanwhile, the transfer conveying system can also control the quantity of the conveyed materials, and avoid the effect of the disposable feeding of excessive materials to affect the treatment effect of the shot blasting system.
The vibration conveying mechanism 12 comprises a supporting leg 120 fixedly connected with the ground, and further comprises a U-shaped groove body 121 with one end being open, wherein a plurality of holes for screening out molding sand and pellets are formed in the bottom surface of the U-shaped groove body 121, an elastic part 122 is arranged between the lower surface of the U-shaped groove body and the supporting leg, a vibration motor 123 with an eccentric block is further arranged on the U-shaped groove, an opening and closing component 124 for controlling material to flow out is arranged at the open end of the U-shaped groove body, the vibration conveying component is used for receiving the material from the crushing system, conveying of the material is achieved in the continuous forward vibration throwing process, and casting molding sand separated from return materials is screened and collected while conveying, so that the casting molding sand entering the shot throwing system is reduced.
The opening and closing assembly 124 comprises a mounting seat 1240 connected to the upper end of the U-shaped groove body, a rotatable swing arm 1241 is arranged on the mounting seat 1240, a baffle 1242 is arranged at the front end of the swing arm 1241, a driving cylinder 1243 for driving the swing arm to rotate is further arranged on the U-shaped groove body, the arranged opening and closing assembly is used for controlling the discharging amount of the vibration conveying mechanism, and the weighing section of the transferring conveying system is combined to control the amount of materials entering the shot blasting system.
The first frame 10 is further provided with a first lifting mechanism 101 for feeding the returned furnace material to be crushed into the crushing assembly, and the first lifting mechanism is used for feeding the returned furnace material into the crushing assembly, so that mechanized operation is realized, and manual working strength is reduced.
The invention has the following beneficial effects: according to the invention, the returned furnace material is crushed by the crushing system, the returned furnace material can be crushed better by a mechanical crushing mode, the crushing effect is good, the problems of large workload and poor working environment caused by manual crushing in the prior art are also overcome, after the returned furnace material is crushed, the size is reduced, automatic feeding is convenient, the charging density of an electric furnace is improved, the melting time is shortened, electric energy is saved, further, the crushed returned furnace material enters the shot blasting system through the transfer conveying system, and the returned furnace material is impacted by the shot in the shot blasting system, so that casting molding sand adhered to the returned furnace material is removed, the separation of the returned furnace material and the molding sand is completed, impurities in the returned furnace material are reduced, and the returned furnace material after remelting is ensured to have stable quality.
Claims (7)
1. The broken ball system of throwing of back furnace charge, its characterized in that: comprises a crushing system, a shot blasting system and a transferring and conveying system between the crushing system and the shot blasting system,
the crushing system comprises a first frame arranged on the ground, a crushing assembly for crushing the returned furnace material is arranged on the first frame, and a vibration conveying mechanism for conveying the crushed returned furnace material is arranged below the crushing assembly;
the shot blasting system comprises a second frame arranged on the ground, a shot blasting treatment assembly for performing shot blasting treatment on the crushed return furnace material is arranged on the second frame, and a second lifting assembly for conveying the crushed return furnace material on the transferring and conveying system into the shot blasting treatment assembly is also arranged on the second frame;
the shot blasting assembly comprises a swinging groove, the swinging groove is placed in a shot blasting chamber on a second frame, a driving mechanism for driving the swinging groove to swing or rotate around the joint of the swinging groove and the second frame is arranged on the second frame, the swinging groove is a polygonal groove body with an opening at the upper end and sealed at the left end and the right end, the furnace return material is enabled to be continuously turned in the swinging process of the swinging groove, so that the shot can better and more fully collide with the surface of the furnace return material, a discharge hole is formed in the lower end of the shot blasting chamber, a feed inlet is formed in the upper part of the shot blasting chamber, and a plurality of shot blasting assemblies are further arranged at the top of the shot blasting chamber;
the shot blasting assembly comprises a shell connected with a shot blasting chamber, a shot outlet for the shot to fly out is formed in the bottom of the shell, a cylindrical shot bin for feeding is formed in the side wall of the shell, a plurality of shot outlets are formed in the shot bin, a fixed bin is arranged outside the shot bin, a shot discharging port is formed in the fixed bin, a gap for accommodating the shot is formed between the shot bin and the fixed bin, a rotatable driving disc is arranged on the fixed bin, and driving plates are uniformly distributed on the driving disc.
2. The return charge crushing and shot blasting system of claim 1, wherein: the crushing assembly comprises a crushing hopper fixed on the frame, a crushing mechanism is arranged below the crushing hopper, the crushing mechanism comprises a fixed crushing plate connected with the frame and a movable crushing plate hinged on the frame, the fixed crushing plate and the movable crushing plate are arranged in a V-shaped mode, and a hydraulic cylinder for pushing and pulling the movable crushing plate to swing back and forth is arranged on the frame.
3. The return charge crushing and shot blasting system of claim 1, wherein: the surface of fixed breaker plate and movable breaker plate be equipped with a plurality of rows of broken teeth, and the broken tooth staggered arrangement of adjacent row.
4. The return charge crushing and shot blasting system of claim 1, wherein: the transfer conveying system comprises a weighing section and a conveying section, wherein the weighing section comprises a base connected with the ground, a roller way mounting bracket is arranged on the base, a weighing sensor is arranged between the roller way mounting bracket and the base, the conveying section comprises a supporting leg connected with the ground, the upper end of the supporting leg is provided with a conveying roller way mounting bracket, and a plurality of roller ways are arranged on the roller way mounting bracket and the conveying roller way mounting bracket.
5. The return charge crushing and shot blasting system of claim 1, wherein: the vibration conveying mechanism comprises a supporting leg fixedly connected with the ground, and further comprises a U-shaped groove body with one end being open, wherein a plurality of holes for scattered molding sand and pellets to screen out are formed in the bottom surface of the U-shaped groove body, an elastic part is arranged between the lower surface of the U-shaped groove body and the supporting leg, a vibration motor which drives the U-shaped groove body to vibrate and is provided with an eccentric block is further arranged on the U-shaped groove body, and an opening end of the U-shaped groove body is provided with an opening and closing assembly for controlling materials to flow out.
6. The return charge crushing and shot blasting system of claim 5, wherein: the opening and closing assembly comprises a mounting seat connected to the upper end of the U-shaped groove body, a rotatable swing arm is arranged on the mounting seat, a baffle is arranged at the front end of the swing arm, and a driving cylinder for driving the swing arm to rotate is further arranged on the U-shaped groove body.
7. The return charge crushing and shot blasting system of claim 1, wherein: the first frame is also provided with a first lifting mechanism for conveying the materials to be crushed into the crushing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810667861.3A CN108722541B (en) | 2018-06-26 | 2018-06-26 | Broken shot blasting system of return burden |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810667861.3A CN108722541B (en) | 2018-06-26 | 2018-06-26 | Broken shot blasting system of return burden |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108722541A CN108722541A (en) | 2018-11-02 |
| CN108722541B true CN108722541B (en) | 2023-12-05 |
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ID=63930755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810667861.3A Active CN108722541B (en) | 2018-06-26 | 2018-06-26 | Broken shot blasting system of return burden |
Country Status (1)
| Country | Link |
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| CN (1) | CN108722541B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112719259A (en) * | 2020-12-21 | 2021-04-30 | 银峰铸造（芜湖）有限公司 | Smelting deslagging process |
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| 回炉料破碎清理系统的研发与应用;熊晗;何春江;戴国敏;稽永伟;;中国铸造装备与技术(第05期);第30-32页 * |
| 郝石坚.铬白口铸铁及其生产技术.北京：冶金工业出版社,2011,(第1版),152-154. * |
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