CN117516156A - High-temperature melting device for producing metal calcium - Google Patents
High-temperature melting device for producing metal calcium Download PDFInfo
- Publication number
- CN117516156A CN117516156A CN202410020682.6A CN202410020682A CN117516156A CN 117516156 A CN117516156 A CN 117516156A CN 202410020682 A CN202410020682 A CN 202410020682A CN 117516156 A CN117516156 A CN 117516156A
- Authority
- CN
- China
- Prior art keywords
- supporting
- metal calcium
- furnace body
- melting furnace
- ingot
- 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.)
- Granted
Links
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title claims abstract description 140
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 139
- 239000002184 metal Substances 0.000 title claims abstract description 139
- 238000002844 melting Methods 0.000 title claims abstract description 71
- 230000008018 melting Effects 0.000 title claims abstract description 70
- 229910052791 calcium Inorganic materials 0.000 title claims abstract description 64
- 239000011575 calcium Substances 0.000 title claims abstract description 64
- 238000007790 scraping Methods 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 10
- 239000002344 surface layer Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- WNQQFQRHFNVNSP-UHFFFAOYSA-N [Ca].[Fe] Chemical compound [Ca].[Fe] WNQQFQRHFNVNSP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- 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
- F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention provides a high-temperature melting device for producing metal calcium, which belongs to the technical field of metal calcium production and comprises a melting furnace body, a driving assembly, a supporting assembly, a heating assembly and a scraping assembly, wherein the supporting assembly is arranged in the melting furnace body and is used for supporting a metal calcium ingot, the heating assembly is arranged in the melting furnace body and is used for heating the metal calcium ingot, the driving assembly is arranged on the side wall of the melting furnace body and is used for driving the supporting assembly to reciprocate up and down, and the scraping assembly is arranged above the supporting assembly. Compared with the prior art, in the heating process of the metal calcium ingot, the embodiment of the invention can continuously scrape the molten metal calcium attached to the surface layer of the side wall of the metal calcium ingot so as to timely expose the inner metal calcium, so that the inner metal calcium can be heated quickly, and the melting efficiency and the melting effect of the metal calcium ingot are improved.
Description
Technical Field
The invention belongs to the technical field of metal calcium production, and particularly relates to a high-temperature melting device for metal calcium production.
Background
The metal calcium is mainly used for external refining in the steel industry, is processed into metal calcium particles, is then made into a calcium iron wire or a pure calcium wire, is finally used for external refining of steel, has the functions of desulfurizing, deoxidizing, improving the fluidity of molten steel and promoting the molten steel inclusion to float up quickly, and is usually required to be melted by a high-temperature melting furnace in the production process.
When the existing high-temperature melting furnace is used for melting a metal calcium ingot, the surface layer of the side wall of the metal calcium ingot in the high-temperature melting furnace is heated in advance to generate a melting phenomenon, and the molten metal calcium on the surface layer is adhered to the side wall of the metal calcium ingot for a long time due to poor fluidity, so that the molten metal calcium adhered to the side wall of the metal calcium ingot can influence the radiation process of external heat to the inner metal calcium, the heating effect of the inner metal calcium is further influenced, the whole melting time of the metal calcium ingot is longer, and the melting efficiency of the metal calcium ingot is further influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the embodiment of the invention provides a high-temperature melting device for producing metal calcium, which aims to solve the problems of longer metal calcium melting time and low melting efficiency in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
a high-temperature melting device for producing metal calcium comprises a melting furnace body, a driving component, a supporting component, a heating component and a scraping component,
the supporting component is arranged in the melting furnace body and is used for supporting the metal calcium ingot,
the heating component is arranged in the melting furnace body and is used for heating the metal calcium ingot,
the driving component is arranged on the side wall of the melting furnace body and is used for driving the supporting component to reciprocate up and down,
the scraping assembly is arranged above the supporting assembly, and is used for scraping molten calcium metal on the side wall of the calcium metal ingot when the supporting assembly moves upwards.
As a further improvement of the invention: the support assembly includes a support circular plate,
the driving component comprises a motor, a rotating shaft and a cam,
the motor is fixedly arranged on the outer wall of the melting furnace body, one end of the rotating shaft is connected with the output end of the motor, the other end of the rotating shaft extends into the melting furnace body and is connected with the cam, and the cam is attached to the bottom of the supporting circular plate.
As a further improvement of the invention: the inner wall of the melting furnace body is fixedly provided with a guide rail, and the side wall of the supporting circular plate is provided with a guide rail groove matched with the guide rail.
As a further improvement of the invention: the scraping component comprises an inclined stay bar, a support bar, a rotary sleeve, a support block and a scraping strip,
the end part of the supporting rod is fixedly connected with the inner wall of the melting furnace body, the rotary sleeve is rotationally sleeved outside the supporting rod, one end of the diagonal brace is fixedly connected with the rotary sleeve, the other end of the diagonal brace extends to the center direction of the melting furnace body and is connected with the supporting block, and the scraping strip is fixedly arranged on the side wall of the supporting block.
As a still further improvement of the invention: the support block is hinged with the diagonal brace, one side of the support block is connected with the diagonal brace through an elastic piece, and the elastic piece is used for providing elastic support for the support block.
As a still further improvement of the invention: the number of the inclined stay bars, the supporting blocks and the scraping strips is the same as that of the side walls of the metal calcium ingots.
As a still further improvement of the invention: the upper part of the supporting circular plate is provided with an annular liquid storage tank.
As a still further improvement of the invention: the side wall of the melting furnace body is provided with a taking and placing opening, a sealing door plate is hinged in the taking and placing opening,
the upper part of the supporting circular plate is also provided with a liquid discharge channel, one end of the liquid discharge channel extends to the circumferential side wall of the supporting circular plate, the other end of the liquid discharge channel is communicated with the annular liquid storage tank, and a sealing flashboard is movably arranged in the liquid discharge channel.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, when the metal calcium ingot is melted, the metal calcium ingot can be placed at the upper part of the supporting component, the metal calcium ingot is heated by the heating component, the metal calcium on the upper surface layer of the side wall of the metal calcium ingot is melted in advance, the driving component is used for driving the supporting component to reciprocate up and down so as to drive the metal calcium ingot to reciprocate up and down, when the metal calcium ingot moves up, the molten metal calcium on the upper surface layer of the side wall of the metal calcium ingot is scraped by the scraping component, the molten surface layer metal calcium is prevented from being adhered to the side wall of the metal calcium because of poor fluidity for a long time, thereby influencing the heating of the inner layer metal calcium, improving the melting efficiency of the metal calcium ingot.
Drawings
FIG. 1 is a schematic diagram of a high temperature melting apparatus for producing calcium metal;
FIG. 2 is a schematic diagram of a high temperature melting apparatus for producing calcium metal;
FIG. 3 is a schematic view of the structure of a support assembly in a high temperature melting apparatus for producing metallic calcium;
FIG. 4 is an enlarged schematic view of area A of FIG. 1;
in the figure: 10-melting furnace body, 101-taking and placing port, 102-sealing door plate, 103-guide rail, 20-driving component, 201-motor, 202-rotating shaft, 203-cam, 30-supporting component, 301-supporting circular plate, 302-annular liquid storage tank, 303-sealing flashboard, 304-liquid discharging channel, 305-guide rail groove, 40-heating component, 50-scraping component, 501-diagonal brace, 502-elastic piece, 503-supporting shaft, 504-rotating sleeve, 505-supporting block and 506-scraping strip.
Detailed Description
The technical scheme of the present application will be described in further detail with reference to the specific embodiments.
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
Referring to fig. 1 and 2, the embodiment provides a high temperature melting apparatus for producing metal calcium, which comprises a melting furnace body 10, a driving assembly 20, a supporting assembly 30, a heating assembly 40 and a scraping assembly 50, wherein the supporting assembly 30 is arranged inside the melting furnace body 10 and is used for supporting metal calcium ingots, the heating assembly 40 is arranged inside the melting furnace body 10 and is used for heating the metal calcium ingots, the driving assembly 20 is arranged on the side wall of the melting furnace body 10 and is used for driving the supporting assembly 30 to reciprocate up and down, the scraping assembly 50 is arranged above the supporting assembly 30, and when the supporting assembly 30 moves upwards, the scraping assembly 50 is used for scraping molten metal calcium on the side wall of the metal calcium ingots.
When the metal calcium ingot is melted, the metal calcium ingot can be placed on the upper portion of the supporting component 30, the metal calcium ingot is heated by the heating component 40, the metal calcium on the upper surface layer of the side wall of the metal calcium ingot is melted in advance, the driving component 20 is utilized to drive the supporting component 30 to reciprocate up and down, and then the metal calcium ingot is driven to reciprocate up and down, when the metal calcium ingot moves up, the molten metal calcium on the upper surface layer of the side wall of the metal calcium ingot is scraped by the scraping component 50, the molten surface layer metal calcium is prevented from being adhered to the side wall of the metal calcium due to poor fluidity for a long time, so that the heating of the inner layer metal calcium is influenced, and the melting efficiency of the metal calcium ingot is improved.
With continued reference to fig. 1 and 2, in one embodiment, the support assembly 30 includes a support circular plate 301, the driving assembly 20 includes a motor 201, a rotating shaft 202 and a cam 203, the motor 201 is fixedly mounted on the outer wall of the melting furnace 10, one end of the rotating shaft 202 is connected to the output end of the motor 201, the other end extends into the melting furnace 10 and is connected to the cam 203, and the cam 203 is attached to the bottom of the support circular plate 301.
By placing the metal calcium ingot on the upper part of the supporting circular plate 301, then the motor 201 drives the rotating shaft 202 to rotate, and then drives the cam 203 to rotate, and when the cam 203 rotates, the supporting circular plate 301 can be pushed to reciprocate up and down along the inside of the melting furnace body 10, and then the metal calcium ingot is driven to reciprocate up and down.
Referring to fig. 1 and 3, in one embodiment, a guide rail 103 is fixedly disposed on the inner wall of the melting furnace 10, and a guide rail groove 305 adapted to the guide rail 103 is formed on the side wall of the supporting circular plate 301.
The side wall of the supporting circular plate 301 is in sliding fit with the guide rail 103 through the guide rail groove 305, so that the stability of the supporting circular plate 301 when moving up and down can be improved.
Referring to fig. 4, in one embodiment, the scraping assembly 50 includes an inclined strut 501, a supporting rod 503, a rotating sleeve 504, a supporting block 505 and a scraping strip 506, the end of the supporting rod 503 is fixedly connected with the inner wall of the melting furnace body 10, the rotating sleeve 504 is rotatably sleeved outside the supporting rod 503, one end of the inclined strut 501 is fixedly connected with the rotating sleeve 504, the other end extends to the central direction of the melting furnace body 10 and is connected with the supporting block 505, and the scraping strip 506 is fixedly arranged on the side wall of the supporting block 505.
When the supporting circular plate 301 drives the metal calcium ingot thereon to move upwards, the upper edge of the metal calcium ingot acts on the bottom of the inclined strut 501, so as to push the inclined strut 501 to drive the rotary sleeve 504 to rotate compared with the supporting rod 503, in this process, the upper edge of the metal calcium ingot slides upwards compared with the bottom of the inclined strut 501, when the upper edge of the metal calcium ingot slides to one side of the supporting block 505, the metal calcium ingot moves upwards compared with the supporting block 505, and the scraping strip 506 acts on the side wall of the metal calcium ingot at the moment to scrape the molten metal calcium on the upper surface layer of the side wall of the metal calcium ingot, so that the inner metal calcium is exposed, so that when the supporting circular plate 301 moves downwards, the exposed inner metal calcium can be sufficiently heated by the heating component 40, thereby improving the melting efficiency of the metal calcium ingot.
With continued reference to fig. 4, in one embodiment, the supporting block 505 is hinged to the diagonal brace 501, and one side of the supporting block 505 is further connected to the diagonal brace 501 through an elastic member 502, where the elastic member 502 is used to provide elastic support for the supporting block 505.
When the supporting block 505 acts on the side wall of the metal calcium ingot, the elastic piece 502 provides elastic support for the supporting block 505, so that the supporting block 505 can be tightly attached to the side wall of the metal calcium ingot, and further the scraping strip 506 is tightly attached to the side wall of the metal calcium ingot, and the scraping effect of the surface layer molten metal calcium is improved.
In one embodiment, the elastic member 502 may be a spring or a metal elastic sheet, which is not limited herein.
With continued reference to fig. 4, in one embodiment, the number of the diagonal braces 501, the supporting blocks 505 and the scraping strips 506 is the same as the number of the side walls of the metal calcium ingot, for example, when the metal calcium ingot is in a cuboid shape, the metal calcium ingot has four side walls, so that the diagonal braces 501, the supporting blocks 505 and the scraping strips 506 are correspondingly arranged in four groups, when the cuboid-shaped metal calcium ingot moves upwards, the four edges of the upper part of the cuboid-shaped metal calcium ingot can act on the bottoms of the four groups of diagonal braces 501 respectively, so as to push the four groups of diagonal braces 501 to rotate synchronously, until the four edges of the upper part of the cuboid-shaped metal calcium ingot slide to the upper ends of the four groups of diagonal braces 501 respectively and act on the four groups of supporting blocks 505, and the scraping strips 506 on the four side walls of the cuboid-shaped metal calcium ingot can scrape the molten metal calcium on the four side walls of the cuboid-shaped metal calcium ingot respectively; for example, when the metal calcium ingot is in a hexagonal prism shape, the metal calcium ingot has six side walls, and therefore, the inclined strut 501, the supporting block 505 and the scraping bar 506 are correspondingly arranged in six groups, when the metal calcium ingot in a hexagonal prism shape moves up, six edges of the upper part of the metal calcium ingot in a hexagonal prism shape can respectively act on the bottoms of the six groups of inclined strut 501, and further, the six groups of inclined strut 501 are pushed to rotate synchronously until the six edges of the upper part of the metal calcium ingot in a hexagonal prism shape respectively slide to the upper ends of the six groups of inclined strut 501 and act on the six groups of supporting block 505, and the scraping bar 506 on the side walls of the six groups of supporting block 505 can respectively scrape the six side walls of the metal calcium ingot in a hexagonal prism shape so as to respectively scrape the molten metal calcium on the surface layers on the six side walls of the metal calcium ingot in a hexagonal prism shape.
Referring to fig. 1 and 3, in one embodiment, the upper portion of the supporting circular plate 301 is provided with an annular liquid storage tank 302, when the metal calcium ingot is melted, the metal calcium ingot can be placed at the center of the upper portion of the supporting circular plate 301, at this time, the annular liquid storage tank 302 is located at the periphery of the metal calcium ingot, and when the surface layer molten metal calcium is scraped off from the side wall of the metal calcium ingot, the molten metal calcium can flow into the liquid storage tank 302, so as to collect and store the molten metal calcium.
With continued reference to fig. 1 and 3, in one embodiment, the side wall of the melting furnace 10 is provided with a pick-and-place port 101, a sealing door plate 102 is hinged in the pick-and-place port 101, a drain channel 304 is further provided on the upper portion of the supporting circular plate 301, one end of the drain channel 304 extends to the circumferential side wall of the supporting circular plate 301, the other end is communicated with the annular liquid storage tank 302, and a sealing shutter 303 is movably provided in the drain channel 304.
When the metal calcium ingot is melted, the metal calcium ingot can be placed into the melting furnace body 10 from the taking and placing opening 101, the metal calcium ingot is placed at the center position of the upper part of the supporting circular plate 301, after the metal calcium ingot is completely melted, the sealing door plate 102 which can be opened and closed is opened, then the sealing gate plate 303 is drawn upwards, the liquid distribution channel 304 can be opened after the sealing gate plate 303 is drawn upwards, and the molten metal calcium in the annular liquid storage tank 302 can be discharged to the outside of the melting furnace body 10 through the liquid discharge channel 304 and the taking and placing opening 101.
In one embodiment, the heating assembly 40 may be an electric heating plate or a resistance wire embedded in the inner wall of the melting furnace 10, which is not limited herein.
In the embodiment of the invention, when the metal calcium ingot is melted, the metal calcium ingot can be placed on the upper part of the supporting component 30, the metal calcium ingot is heated by the heating component 40, the metal calcium on the upper surface layer of the side wall of the metal calcium ingot is melted in advance, the driving component 20 is utilized to drive the supporting component 30 to reciprocate up and down, and then the metal calcium ingot is driven to reciprocate up and down, when the metal calcium ingot moves up, the melted metal calcium on the upper surface layer of the side wall of the metal calcium ingot is scraped by the scraping component 50, so that the melted surface metal calcium is prevented from being adhered to the side wall of the metal calcium ingot for a long time due to poor fluidity, the heating of the inner metal calcium is affected, and the melting efficiency of the metal calcium ingot is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. A high-temperature melting device for producing metal calcium is characterized by comprising a melting furnace body, a driving component, a supporting component, a heating component and a scraping component,
the supporting component is arranged in the melting furnace body and is used for supporting the metal calcium ingot,
the heating component is arranged in the melting furnace body and is used for heating the metal calcium ingot,
the driving component is arranged on the side wall of the melting furnace body and is used for driving the supporting component to reciprocate up and down,
the scraping assembly is arranged above the supporting assembly, and is used for scraping molten calcium metal on the side wall of the calcium metal ingot when the supporting assembly moves upwards.
2. A high-temperature melting apparatus for calcium metal production according to claim 1, wherein the supporting member comprises a supporting circular plate,
the driving component comprises a motor, a rotating shaft and a cam,
the motor is fixedly arranged on the outer wall of the melting furnace body, one end of the rotating shaft is connected with the output end of the motor, the other end of the rotating shaft extends into the melting furnace body and is connected with the cam, and the cam is attached to the bottom of the supporting circular plate.
3. The high-temperature melting device for producing metal calcium according to claim 2, wherein a guide rail is fixedly arranged on the inner wall of the melting furnace body, and a guide rail groove matched with the guide rail is formed in the side wall of the supporting circular plate.
4. The high-temperature melting device for producing metal calcium according to claim 1, wherein the scraping assembly comprises an inclined stay, a support rod, a rotary sleeve, a support block and a scraping strip,
the end part of the supporting rod is fixedly connected with the inner wall of the melting furnace body, the rotary sleeve is rotationally sleeved outside the supporting rod, one end of the diagonal brace is fixedly connected with the rotary sleeve, the other end of the diagonal brace extends to the center direction of the melting furnace body and is connected with the supporting block, and the scraping strip is fixedly arranged on the side wall of the supporting block.
5. The high-temperature melting device for calcium metal production according to claim 4, wherein the supporting block is hinged to the diagonal brace, one side of the supporting block is further connected to the diagonal brace through an elastic member, and the elastic member is used for providing elastic support for the supporting block.
6. The apparatus according to claim 4, wherein the number of the diagonal braces, the supporting blocks and the scraping bars is equal to the number of the side walls of the calcium metal ingot.
7. The high-temperature melting device for producing calcium metal according to claim 2, wherein the upper part of the supporting circular plate is provided with an annular liquid storage tank.
8. The high-temperature melting device for producing metal calcium according to claim 7, wherein the side wall of the melting furnace body is provided with a taking and placing opening, a sealing door plate is hinged in the taking and placing opening,
the upper part of the supporting circular plate is also provided with a liquid discharge channel, one end of the liquid discharge channel extends to the circumferential side wall of the supporting circular plate, the other end of the liquid discharge channel is communicated with the annular liquid storage tank, and a sealing flashboard is movably arranged in the liquid discharge channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410020682.6A CN117516156B (en) | 2024-01-08 | 2024-01-08 | High-temperature melting device for producing metal calcium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410020682.6A CN117516156B (en) | 2024-01-08 | 2024-01-08 | High-temperature melting device for producing metal calcium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117516156A true CN117516156A (en) | 2024-02-06 |
| CN117516156B CN117516156B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410020682.6A Active CN117516156B (en) | 2024-01-08 | 2024-01-08 | High-temperature melting device for producing metal calcium |
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| CN (1) | CN117516156B (en) |
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| CN217964756U (en) * | 2022-05-06 | 2022-12-06 | 南京裕源铸件制造有限公司 | Casting device that machine parts casting quality is high |
| CN218466187U (en) * | 2022-07-06 | 2023-02-10 | 烟台明远创意生活科技股份有限公司 | Bed sheet cloth transverse cutting device |
| CN218765539U (en) * | 2022-11-30 | 2023-03-28 | 宁夏嘉华固井材料有限公司 | High temperature low density is little metering equipment for oil well cement |
| CN219505192U (en) * | 2023-03-24 | 2023-08-11 | 湖南科普森电缆材料有限公司 | Polyethylene material melting device |
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| CN114963749A (en) * | 2022-07-29 | 2022-08-30 | 江苏申隆锌业有限公司 | Electric arc furnace capable of melting materials uniformly |
| CN218765539U (en) * | 2022-11-30 | 2023-03-28 | 宁夏嘉华固井材料有限公司 | High temperature low density is little metering equipment for oil well cement |
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