CN113600764A - Silicomanganese powder melting device - Google Patents
Silicomanganese powder melting device Download PDFInfo
- Publication number
- CN113600764A CN113600764A CN202110959680.XA CN202110959680A CN113600764A CN 113600764 A CN113600764 A CN 113600764A CN 202110959680 A CN202110959680 A CN 202110959680A CN 113600764 A CN113600764 A CN 113600764A
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- CN
- China
- Prior art keywords
- hopper
- support
- silicomanganese
- bucket body
- silicon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000843 powder Substances 0.000 title claims abstract description 49
- 229910000720 Silicomanganese Inorganic materials 0.000 title claims abstract description 43
- 238000002844 melting Methods 0.000 title claims description 27
- 230000008018 melting Effects 0.000 title claims description 27
- PYLLWONICXJARP-UHFFFAOYSA-N manganese silicon Chemical compound [Si].[Mn] PYLLWONICXJARP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 42
- 229910052742 iron Inorganic materials 0.000 abstract description 21
- 238000007670 refining Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000000155 melt Substances 0.000 abstract 3
- 238000007599 discharging Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 7
- 238000005728 strengthening Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- IWTGVMOPIDDPGF-UHFFFAOYSA-N [Mn][Si][Fe] Chemical compound [Mn][Si][Fe] IWTGVMOPIDDPGF-UHFFFAOYSA-N 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910000914 Mn alloy Inorganic materials 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/006—Making ferrous alloys compositions used for making ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C35/00—Master alloys for iron or steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The utility model provides a silicon manganese powder melts device, including the pouring chute, unloading mechanism includes the support, the feeding funnel, lower hopper sets up in the support, the feeding funnel includes the bucket body, the bucket body is linked to each other through fixed the constitution wholly by the drum section on upper portion and the inverted cone section of lower part, the circumference of bucket body is provided with the journal stirrup, sliding fit unifies the dabber that extends along vertical direction in the bucket body, stretch out the bucket body outside the upper end of dabber, fixed linking to each other with a hanging ring, the lower extreme links to each other with a toper stopper is fixed, the conical surface and the feed opening cooperation of this toper stopper, the aperture of control feed opening, the feeding funnel passes through the journal stirrup supporting in the upper end of support, be located the top of lower hopper. The invention has simple structure and low processing cost, can continuously and stably discharge the silicomanganese powder, melts the discharged silicomanganese powder by utilizing the heat of the silicomanganese molten iron generated by the refining furnace, and melts and blends the silicomanganese molten iron into a whole as a molding raw material, fully utilizes the heat of the silicomanganese molten iron, and recycles the silicomanganese powder.
Description
Technical Field
The invention relates to the field of metal processing, in particular to a silicomanganese powder melting and mixing device.
Background
In the process of processing and producing the silicon-manganese alloy, metallurgical enterprises obtain silicon-manganese powder with large quantity, and the silicon-manganese powder can not be directly sold as a product.
At present, metallurgical enterprises usually mix the silicon-manganese powder with manganese ore and lime, and smelt and produce low-carbon ferromanganese by using electric energy as a heat source in a refining furnace. Because the quantity of the ferro-silico-manganese powder is large, the energy consumption for processing the ferro-silico-manganese powder is high, and the ferro-silico-manganese powder is not beneficial to enterprises to control the production cost.
Therefore, how to recycle the silicon-manganese powder with high efficiency is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a silicomanganese powder melting and converting device which is simple in structure, low in processing cost, capable of continuously and stably discharging silicomanganese powder, melting the discharged silicomanganese powder by using heat of molten silicomanganese iron generated by a refining furnace, converting the fused silicomanganese powder into a whole as a forming raw material, fully utilizing the heat of the molten silicomanganese iron, and recycling the silicomanganese powder.
The technical scheme of the invention is as follows: a silicomanganese powder melting device comprises a pouring chute and a blanking mechanism, wherein the blanking mechanism comprises a support, a feeding hopper and a blanking hopper, the support is arranged on one side of the pouring chute, the blanking hopper is arranged in the support, the feeding end of the blanking hopper faces upwards, the blanking end of the blanking hopper inclines downwards and outwards extends out of the support and is positioned above the pouring chute, the feeding hopper comprises a hopper body, the hopper body is formed into a whole by fixedly connecting a cylinder section at the upper part and an inverted cone section at the lower part, a blanking port is formed at the lower part opening of the inverted cone section, lugs are arranged on the circumference of the hopper body, a mandrel extending along the vertical direction is matched in the hopper body in a sliding manner, the upper end of the mandrel extends out of the hopper body and is fixedly connected with a hanging ring, the lower end of the mandrel is fixedly connected with a cone plug, the cone surface of the cone plug is matched with the blanking port to control the opening degree of the blanking port, the feeding hopper is supported at the upper end of the bracket through a support lug and positioned above the discharging hopper to form the silicomanganese powder melting device in a combined mode.
The bucket body is fixedly provided with a shaft sleeve extending along the vertical direction through a supporting piece, the mandrel is movably sleeved in the shaft sleeve to form sliding fit, and axial limiting is formed through the lifting ring and the conical plug.
The periphery of the upper end of the shaft sleeve is in threaded fit with a limiting nut, the height of the limiting nut is adjustable, and the limiting nut is located below the hanging ring.
The quantity of support piece is two sets of, and first group support piece includes four support arms, and the support piece is organized to the second includes four support arms, the upper end at the axle sleeve is fixed to the one end of four support arms of first group support piece, equallys divide 360 circumferences, and the other end of these four support arms is respectively along radially extending, links to each other with the inner wall of bucket body is fixed, the lower extreme at the axle sleeve is fixed to the one end of four support arms of second group support piece, equallys divide 360 circumferences, and the other end of these four support arms is respectively along radially extending, links to each other with the inner wall of bucket body is fixed.
The support is of a rectangular frame structure, the support lugs are arranged at the lower end of the circumferential section of the bucket body, the bucket body is supported at the upper end of the support through the support lugs, and the inverted conical section of the bucket body is located in the support to form radial limiting.
The support lug is of an annular structure.
A plurality of reinforcing ribs are arranged between the upper surface of the support lug in the annular structure and the side wall of the cylinder section of the bucket body, and the reinforcing ribs are uniformly distributed along the circumferential direction of the bucket body.
Adopt above-mentioned technical scheme to have following beneficial effect:
1. the melting and blending device has simple structure and convenient operation, can realize automatic blanking of the silicomanganese powder by utilizing a travelling crane or a crane, keeps uniform blanking speed, is matched with a pouring chute, realizes high-efficiency recycling of the silicomanganese powder, ensures that the quality of the formed silicomanganese iron block after melting and blending is qualified, can be sold as a product to the outside, and also improves the utilization value of the silicomanganese powder.
2. The melting and converting device comprises a pouring chute and a discharging mechanism, wherein the pouring chute is used for conveying silicon-manganese molten iron generated in a refining furnace to a mold for condensing the silicon-manganese molten iron into silicon-manganese iron blocks for sale as products, the discharging mechanism is used for uniformly adding a proper amount of silicon-manganese powder into flowing silicon-manganese molten iron, the added silicon-manganese powder is melted by using the heat of the silicon-manganese molten iron, and the melting and converting molten iron is obtained by melting and converting the silicon-manganese powder, so that the silicon-manganese powder is recycled as a raw material for generating the silicon-manganese iron blocks. The blanking mechanism comprises a support, a feeding hopper and a discharging hopper, wherein the support is arranged on one side of the pouring chute. The lower hopper is arranged in the support, the feeding end of the lower hopper faces upwards, the discharging end of the lower hopper extends outwards from the support in an inclined mode and is located above the pouring chute, falling silicon-manganese powder enters the lower hopper from the feeding end of the lower hopper, the speed of the discharging end extending downwards in an inclined mode is reduced, and the discharging end extends downwards in an inclined mode and is arranged uniformly, so that the silicon-manganese powder slowly and uniformly falls into the pouring chute and is uniformly mixed with flowing silicon-manganese molten iron, production safety is guaranteed, sufficient heat is guaranteed for the silicon-manganese molten iron to melt the silicon-manganese molten iron, the quality of a final pouring-molded silicon-manganese iron block is guaranteed, and production standards are met. The feeding hopper comprises a hopper body, the hopper body is formed by fixedly connecting an upper cylindrical section and a lower inverted conical section into a whole, a lower opening of the inverted conical section forms a feed opening, and support lugs are arranged on the circumference of the hopper body. The bucket body is matched with a core shaft extending along the vertical direction in a sliding mode, the upper end of the core shaft extends out of the bucket body and is fixedly connected with a hanging ring, the lower end of the core shaft is fixedly connected with a conical plug, and the conical surface of the conical plug is matched with the feed opening to control the opening degree of the feed opening. When the conical surface of the conical plug is attached to the circumference of the feed opening, the feed opening of the bucket body is in a completely closed state, and the tightness of the feed opening can be effectively guaranteed through the attachment of the conical surface and the circumference. When the height of the conical plug is reduced to enable the conical surface of the conical plug to have a spacing distance with the circumference of the feed opening, an annular gap for feeding the silicon-manganese powder is formed, and the purpose of controlling the opening of the annular gap is achieved by controlling the height of the conical plug, so that the purpose of controlling the feeding speed of the silicon-manganese powder is achieved.
3. The melting and converting device is characterized in that a shaft sleeve extending along the vertical direction is fixedly arranged in the hopper body of the melting and converting device through a supporting piece, the mandrel is sleeved in the shaft sleeve movably to form sliding fit, axial limit is formed through a hanging ring and the conical plug, the mandrel is limited along the height direction on the basis of limiting the movement direction of the mandrel, the opening degree of the discharging hopper is guaranteed to be controllable, and the conical plug is prevented from falling off.
4. The upper end periphery screw-thread fit of axle sleeve has stop nut, and stop nut's height-adjustable just is located the below of rings, can be as required, and nimble stop nut's height of adjusting forms the support to rings, and then the height of control toper stopper reaches the purpose of injecing bucket body feed opening, and its stable in structure, reliable can effectively satisfy the actual demand of enterprise.
5. The support is rectangular frame structure, the journal stirrup sets up the circumference section lower extreme at the bucket body, and the bucket body passes through the journal stirrup and supports in the upper end of support, and the inverted cone section of bucket body is located the support, forms radially spacing, effectively guarantees support, the location effect to the bucket body, and the position of bucket body is fixed, makes the feed opening of bucket body and the feed end of the lower hopper of below corresponding, guarantees that the silicon manganese powder gets into down the hopper smoothly. The journal stirrup is the loop configuration, is equipped with a plurality of strengthening ribs above the journal stirrup that is the loop configuration and between the drum section lateral wall of bucket body, and these strengthening ribs set up the journal stirrup to the loop configuration along the circumference evenly distributed of bucket body, and set up the strengthening rib, can effectively guarantee the support intensity to the bucket body.
The following further description is made with reference to the accompanying drawings and detailed description.
Drawings
FIG. 1 is a schematic diagram of a fusion apparatus of the present invention;
FIG. 2 is a schematic view showing the structure of a loading hopper of the melting apparatus of the present invention.
In the attached drawing, 1 is a pouring chute, 2 is a blanking mechanism, 3 is a support, 4 is a feeding hopper, 5 is a blanking hopper, 6 is a hopper body, 61 is a cylindrical section, 62 is an inverted conical section, 7 is a blanking port, 8 is a support lug, 9 is a mandrel, 10 is a hanging ring, 11 is a conical plug, 12 is a support piece, 13 is a shaft sleeve, 14 is a reinforcing rib, and 15 is a limit nut.
Detailed Description
Example 1
Referring to fig. 1 and 2, a specific embodiment of a silicomanganese powder melting device is shown. The silicomanganese powder melting device comprises a pouring chute 1 and a discharging mechanism 2. The pouring spout is a conventional device for transporting high temperature molten iron. The blanking mechanism 2 comprises a support 3, an upper hopper 4 and a lower hopper 5. The support 3 is arranged on one side of the pouring chute 1, and is specifically arranged on the left side of the pouring chute. The lower hopper 5 is arranged in the support 3, the feeding end of the lower hopper 5 faces upwards, the discharging end of the lower hopper 5 slantly extends downwards and outwards out of the support 3 and is positioned above the pouring chute 1, in the embodiment, the support 3 is of a rectangular frame structure, the feeding end of the lower hopper is positioned in the middle of the projection of the support 3, the discharging end of the lower hopper slantly extends downwards and outwards extends from the right side of the support, and the downward inclined angle is 35-45 degrees. Go up hopper 4 including bucket body 6, bucket body 6 is linked to each other through fixed the constitution wholly by cylinder section 61 on upper portion and the upset toper section 62 of lower part, and the lower part opening of inverting toper section 62 forms feed opening 7, and the circumference of bucket body 6 is provided with journal stirrup 8, and is concrete, and journal stirrup 8 is the loop configuration, sets up the lower extreme at the cylinder section, is set up four strengthening ribs 14 above the journal stirrup of loop configuration and between the cylinder section lateral wall of bucket body, and the circumference evenly distributed of bucket body is followed to these four strengthening ribs. Sliding fit unification is along dabber 9 that vertical direction extends in the bucket body 6, in this embodiment, through support piece 12 fixed set up one in the bucket body 6 along the axle sleeve 13 that vertical direction extends, support piece 12's quantity is two sets of, and first support piece of group includes four support arms, and support piece includes four support arms is organized to the second, the upper end at axle sleeve 13 is fixed to the one end of four support arms of first support piece, equally divide 360 circumferences, and the other end of these four support arms is respectively along radially extending, links to each other with the inner wall of bucket body is fixed, 360 circumferences are equally divided to the one end of four support arms of support piece is fixed at the lower extreme of axle sleeve to the second, and the other end of these four support arms is respectively along radially extending, links to each other with the inner wall of bucket body is fixed. The mandrel 9 is movably sleeved in the shaft sleeve 13 to form a sliding fit, the upper end of the mandrel 9 extends out of the bucket body 6 and is fixedly connected with a hanging ring 10, the lower end of the mandrel 9 is fixedly connected with a conical plug 11, the conical surface of the conical plug 11 is matched with the feed opening 7 to control the opening degree of the feed opening 7, in the embodiment, the periphery of the upper end of the shaft sleeve 13 is in threaded fit with a limit nut 15, the height of the limit nut 15 can be adjusted and is positioned below the hanging ring 10, the purpose of adjusting the height of the limit nut is achieved by adjusting the threaded fit length of the limit nut and the shaft sleeve, when the limit nut is positioned at the highest point, the hanging ring is positioned at the highest point, the conical plug is abutted against the circumference of the feed opening of the bucket body, the feed opening is in a completely closed state, when the height of the limit nut is adjusted downwards, the height of the hanging ring is also limited, and the height of the conical plug is further limited, finally, the opening degree of the hopper body feed opening is limited mechanically. The upper hopper is supported at the upper end of the support by lugs of annular configuration and the inverted conical section of the upper hopper is located within the support 3 to provide radial restraint to the upper hopper, which obviously is located above the lower hopper.
EXAMPLE 2 Recycling of silicomanganese powder Using the silicomanganese powder melting apparatus of example 1
The ferro-silico-manganese molten iron (1300-1450 ℃) obtained from the production of the refining furnace is guided into a pouring chute and flows to a mold cavity. Transferring a feeding hopper to the vicinity of a silicomanganese powder material stack by a travelling crane, wherein the particle size of the silicomanganese powder material is 0-6mm, supporting the silicomanganese powder material on the ground by a conical plug, adding the silicomanganese powder material into a hopper body of the feeding hopper by mechanical equipment, or lifting the bagged silicomanganese powder material to the upper part of the hopper body by the travelling crane, unfastening a binding belt of a lower opening of a packaging bag, so that the silicomanganese powder material falls into the hopper body, then lifting the feeding hopper onto a support by the travelling crane and supporting the feeding hopper on the upper end of the support, controlling the descending height of the conical plug (controlling the height of a lifting hook of the travelling crane or directly pre-adjusting the height of a limiting nut) according to the flow of the silicomanganese molten iron to form an annular discharging opening, and the silicomanganese powder material falls into the discharging hopper from the annular discharging opening under the action of gravity, then enters a pouring chute from the discharging end of the discharging hopper, is mixed with the flowing silicomanganese molten iron and is melted by the heat of the silicomanganese molten iron, and (4) completing the melting and mixing to obtain molten iron, feeding the molten iron into a mold cavity, and finally casting and molding to obtain the ferro-silicomanganese block which is sold as a product to the outside.
Claims (7)
1. A silicomanganese powder melting device, which is characterized by comprising a pouring chute (1) and a blanking mechanism (2),
the blanking mechanism (2) comprises a bracket (3), an upper hopper (4) and a lower hopper (5),
the support (3) is arranged on one side of the pouring chute (1), the blanking hopper (5) is arranged in the support (3), the feeding end of the blanking hopper (5) is upward, the blanking end of the blanking hopper (5) is inclined downward and extends out of the support (3) and is positioned above the pouring chute (1),
the feeding hopper (4) comprises a hopper body (6), the hopper body (6) is formed into a whole by fixedly connecting a cylinder section (61) at the upper part and an inverted cone section (62) at the lower part, a feed opening (7) is formed at the lower opening of the inverted cone section (62), a support lug (8) is arranged on the circumference of the hopper body (6),
the hopper body (6) is internally matched with a mandrel (9) extending along the vertical direction in a sliding way, the upper end of the mandrel (9) extends out of the hopper body (6) and is fixedly connected with a hanging ring (10), the lower end of the mandrel (9) is fixedly connected with a conical plug (11), the conical surface of the conical plug (11) is matched with the feed opening (7) to control the opening degree of the feed opening (7),
the upper hopper (4) is supported at the upper end of the bracket (3) through a support lug (8) and is positioned above the lower hopper to form a silicomanganese powder melting device in a combined mode.
2. The silicon-manganese powder melting and converting device according to claim 1, characterized in that a vertically extending shaft sleeve (13) is fixedly arranged in the hopper body (6) through a support member (12), the mandrel (9) is movably sleeved in the shaft sleeve (13) to form a sliding fit, and an axial limit is formed through a hanging ring (10) and a conical plug (11).
3. The silicon-manganese powder melting device according to claim 2, characterized in that the upper end of the shaft sleeve (13) is screwed with a limit nut (15), and the height of the limit nut (15) is adjustable and is positioned below the hanging ring (10).
4. The silicon-manganese powder melting and converting apparatus according to claim 2, wherein said supporting members (12) are divided into two groups, the first group of supporting members comprises four supporting arms, the second group of supporting members comprises four supporting arms, one end of each supporting arm of said first group of supporting members is fixed to the upper end of said shaft sleeve (13) and divides a circumference of 360 degrees, the other ends of said four supporting arms extend radially and are fixedly connected to the inner wall of said hopper body, one end of each supporting arm of said second group of supporting members is fixed to the lower end of said shaft sleeve and divides a circumference of 360 degrees, and the other ends of said four supporting arms extend radially and are fixedly connected to the inner wall of said hopper body.
5. The silicon-manganese powder melting device according to claim 1, characterized in that the support (3) is a rectangular frame structure, the support lug (8) is arranged at the lower end of the circumferential section (61) of the bucket body, the bucket body (6) is supported at the upper end of the support (3) through the support lug (8), and the inverted conical section (62) of the bucket body is positioned in the support (3) to form a radial limit.
6. The process for melting silicon-manganese powder according to claim 1, characterised in that the lugs (8) are of annular configuration.
7. The silicon-manganese powder melting apparatus according to claim 6, wherein a plurality of ribs (14) are provided between the upper surface of the supporting lug in the ring structure and the side wall of the cylindrical section (61) of the bucket body, and the ribs (14) are uniformly distributed along the circumferential direction of the bucket body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110959680.XA CN113600764A (en) | 2021-08-20 | 2021-08-20 | Silicomanganese powder melting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110959680.XA CN113600764A (en) | 2021-08-20 | 2021-08-20 | Silicomanganese powder melting device |
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| CN113600764A true CN113600764A (en) | 2021-11-05 |
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| CN202110959680.XA Pending CN113600764A (en) | 2021-08-20 | 2021-08-20 | Silicomanganese powder melting device |
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| CN109506475A (en) * | 2018-12-21 | 2019-03-22 | 中冶焦耐(大连)工程技术有限公司 | A kind of double-charging bell sealing feeder |
| CN209209908U (en) * | 2018-10-18 | 2019-08-06 | 东北大学设计研究院（有限公司） | A kind of air-driven chute device of middle part blanking |
| CN209926867U (en) * | 2019-02-27 | 2020-01-10 | 马鞍山新康达磁业有限公司 | Feeding device for non-vacuum smelting |
| CN210638514U (en) * | 2019-05-30 | 2020-05-29 | 邯郸钢铁集团有限责任公司 | Automatic discharging bell for cold material bin of refining furnace |
| CN211261784U (en) * | 2019-12-30 | 2020-08-14 | 信阳金辉冶金新型保温材料有限公司 | Material distributor for vitrified micro bead and pine guan platinum expansion furnace |
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2021
- 2021-08-20 CN CN202110959680.XA patent/CN113600764A/en active Pending
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|---|---|---|---|---|
| US5158129A (en) * | 1990-08-27 | 1992-10-27 | Sollac | Method and device for feeding a powdered or granular material into a continuous casting mold |
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| CN203754757U (en) * | 2014-04-10 | 2014-08-06 | 四川鸿舰重型机械制造有限责任公司 | Iron alloy charging bucket for converter |
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| CN211261784U (en) * | 2019-12-30 | 2020-08-14 | 信阳金辉冶金新型保温材料有限公司 | Material distributor for vitrified micro bead and pine guan platinum expansion furnace |
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