CN112080815A - Extrusion type basalt steel fiber production equipment - Google Patents
Extrusion type basalt steel fiber production equipment Download PDFInfo
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- CN112080815A CN112080815A CN202010890533.7A CN202010890533A CN112080815A CN 112080815 A CN112080815 A CN 112080815A CN 202010890533 A CN202010890533 A CN 202010890533A CN 112080815 A CN112080815 A CN 112080815A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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Abstract
The invention relates to extrusion type basalt steel fiber production equipment which comprises a steel making furnace, a basalt melting furnace and a mixed filament drawing furnace, wherein a molten steel outlet of the steel making furnace and a magma outlet of the basalt melting furnace are connected with the mixed filament drawing furnace, a filament outlet hole of the mixed filament drawing furnace is formed in the bottom of a furnace body of the mixed filament drawing furnace, a mixed stirring device driven by a power mechanism of a stirring device is arranged in the mixed filament drawing furnace, the basalt melting furnace comprises a primary heating cavity and a secondary melting furnace which are arranged up and down, a rotary heating cylinder is arranged in the primary heating cavity, a steel making furnace heat-insulating layer is arranged on the periphery of the steel making furnace, and the steel making furnace heat-insulating layer is connected with the primary heating cavity through a hot air. After the mixing and stirring device is used for uniformly stirring, basalt steel fibers are drawn out through a wire outlet of the mixing furnace, and the basalt in the primary heating cavity is preheated by utilizing heat generated in the process of melting steel by the steel-making furnace, so that the energy consumption required by the secondary melting furnace can be effectively reduced, and the production cost is reduced.
Description
Technical Field
The invention relates to an extrusion type basalt steel fiber production device in the field of concrete reinforced material preparation.
Background
The basalt fiber is a reinforced material, has the functions of adsorbing and reinforcing asphalt, can reduce the flooding and shear deformation of a pavement under a high-temperature condition after being added into an asphalt mixture, and improves the high-temperature resistance of the mixture; when the asphalt mixture is in a low-temperature environment, the basalt fibers can disperse load acting force and temperature stress, and the flexibility of the mixture is improved, so that the low-temperature performance of the asphalt mixture is improved; under the condition of normal temperature environment, the fatigue resistance of the mixture can be improved due to the bridging effect of the basalt fibers, the asphalt film is thickened due to the addition of the asphalt, and the water damage resistance of the mixture can also be enhanced.
However, the basalt fiber has a lower strength than the steel fiber, and the steel fiber has a higher strength and a higher toughness than the basalt fiber, but the steel fiber has a higher specific gravity, is easily separated and corroded when stirred together with concrete, and has a short life. 10-30% of scrap steel is added into a basalt material to prepare basalt steel fiber, the basalt steel fiber integrates the advantages of the basalt fiber and the steel fiber, and has the advantages of high strength, good toughness, small specific gravity, easiness in stirring, long service life, low cost, no pollution and the like, but no complete basalt steel fiber production equipment exists in the current market.
Disclosure of Invention
The invention aims to provide production equipment capable of producing basalt steel fibers.
In order to solve the technical problems, the technical scheme of the invention is as follows:
extrusion type basalt steel fiber production equipment comprises a steel making furnace, a basalt melting furnace and a mixed filament drawing furnace, wherein a molten steel outlet of the steel making furnace and a magma outlet of the basalt melting furnace are connected with the mixed filament drawing furnace, a filament outlet hole of the mixed filament drawing furnace is formed in the bottom of a furnace body of the mixed filament drawing furnace, a mixed stirring device driven by a power mechanism of a stirring device is arranged in the mixed filament drawing furnace, the basalt melting furnace comprises a first-stage heating cavity and a second-stage melting furnace which are arranged from top to bottom, a rotary heating cylinder is arranged in the first-stage heating cavity, a steel making furnace heat-insulating layer is arranged on the periphery of the steel making furnace, and the steel making furnace heat-insulating layer is connected with the.
The mixing and stirring device comprises a vertically arranged stirring shaft, stirring blades are arranged at the bottom of the stirring shaft, a mixing furnace wire outlet is formed in the side wall of the furnace body of the mixing and wire drawing furnace, the stirring blades comprise a stirring paddle board and a connecting rod, the stirring paddle board is close to the mixing furnace wire outlet, the connecting rod is connected between the stirring paddle board and the stirring shaft, and the vertical height of the stirring paddle board is greater than that of the connecting rod.
The mixed spinning furnace is provided with a cooling chamber corresponding to the outer side of the spinning hole of the mixed furnace, and the chamber wall of the cooling chamber is provided with a spinning hole of the cooling chamber corresponding to the spinning hole of the mixed furnace.
The upper end of the mixed spinning furnace is provided with an inert gas inlet, and an inert gas source is connected to the inert gas inlet.
The extrusion type basalt steel fiber production equipment further comprises an ingot winding mechanism, the ingot winding mechanism comprises a rotating table, a spindle winding shaft is arranged on the rotating table, the ingot winding mechanism further comprises a driving gear and a toothed plate meshed with the driving gear in a transmission mode, a guide rod is fixedly arranged on the toothed plate, and a guide ring for guiding and penetrating through corresponding basalt steel fibers is arranged on the guide rod.
The extrusion type basalt steel fiber production equipment further comprises a basalt crushing device, and the basalt crushing device comprises a jaw crusher, a heavy hammer impact crusher and a gear type crusher which are sequentially arranged along the conveying direction of basalt.
The gear type crusher comprises a gear crushing cavity, a fixed gear and a movable gear capable of floating along the fixed gear in the radial direction through a floating spring are arranged in the crushing cavity, a basalt channel for basalt to pass through is formed between the fixed gear and the movable gear, a vibrating screen which is obliquely arranged is arranged on the lower sides of the fixed gear and the movable gear in the gear crushing cavity, the gear type crusher further comprises a conveying mechanism used for conveying the basalt on the upper side of the lower end of the vibrating screen to the upper side of the basalt channel, and the conveying mechanism comprises a vertical elevator and a transverse conveyor.
The vertical hoister is arranged on the outer side of the gear crushing cavity.
The invention has the beneficial effects that: during operation, the steel making furnace melts steel, the basalt melting furnace melts basalt, molten steel and magma after melting enter the mixing and spinning furnace, after being uniformly stirred by the mixing and stirring device, basalt steel fibers are drawn out through the mixing furnace wire outlet, and heat generated in the process of melting steel by the steel making furnace preheats the basalt in the primary heating cavity, so that energy consumption required by the secondary melting furnace can be effectively reduced, and the production cost is reduced.
Drawings
FIG. 1 is a schematic block diagram of one embodiment of the present invention;
FIG. 2 is a schematic view of the gear crusher of FIG. 1;
FIG. 3 is a schematic view of the engagement of the fixed and moving gears of FIG. 2;
fig. 4 is a schematic view of the structure of the spindle winding mechanism of fig. 1.
Detailed Description
The embodiment of the extrusion type basalt steel fiber production equipment is shown in figures 1-4: the device comprises a basalt crushing device, a steel making furnace, a basalt melting furnace, a mixed spinning furnace, an ingot winding mechanism, a power system and a control system.
The basalt crushing device comprises a jaw crusher 1, a heavy hammer impact crusher 53 and a gear type crusher 3 which are sequentially arranged from top to bottom, wherein the jaw crusher and the heavy hammer impact crusher belong to the prior art and are not detailed herein. The gear type crusher comprises a gear crushing cavity 55, a fixed gear 50 and a movable gear 51 which can float along the radial direction of the fixed gear through a floating spring 67 are arranged in the crushing cavity, a basalt channel for basalt to pass through is formed between the fixed gear 50 and the movable gear 511, an obliquely arranged vibrating screen 49 is arranged on the lower sides of the fixed gear and the movable gear in the gear crushing cavity, the gear type crusher further comprises a conveying mechanism used for conveying the basalt on the lower side of the vibrating screen 49 to the upper side of the basalt channel, and the conveying mechanism comprises a vertical elevator and a transverse conveyor. The fixed gear can only rotate, and the moving gear can rotate and can reciprocally float in the left and right directions. In this embodiment, the vertical elevator includes a feeding back belt pulley 47 disposed up and down and a feeding back belt 48 driven by the feeding back belt pulley 47, a scraper 62 is disposed on the feeding back belt 48, and item 61 in the figure represents a feeding back sealing cover covering the periphery of the feeding back belt.
The transverse conveyor is a spiral conveyor 2 which comprises a spiral conveying shaft and a spiral conveying pipe arranged on the periphery of the spiral conveying shaft. The vibrating screen 49 screens and filters basalt powder, the basalt powder meeting the size requirement enters the lower side of the vibrating screen, the basalt powder with large particles is remained on the upper side of the vibrating screen and moves to the lower position of the right end of the vibrating screen, and then the basalt powder is conveyed to the upper side of a basalt channel through the vertical elevator and the transverse conveyor and is smashed by the fixed gear and the moving gear again.
The first-stage crushing is carried out on basalt by the jaw crusher, the second-stage crushing is carried out on the basalt by the heavy hammer impact crusher, the third-stage crushing is carried out on the basalt by the gear type crusher, and the first-stage crushing is used for crushing mined large-size (side length is more than 0.5 m) basalt into medium-size (side length is less than 0.1 m) basalt stone; the secondary crushing is used for crushing the basalt stone material with medium size (the side length is less than 0.1 m) processed by the primary crushing into basalt stone material with small size (the side length is 5-30 mm); and the third-stage crushing is used for crushing the basalt stone material with small size (5-30 mm side length) processed by the second-stage crushing into basalt stone powder (smaller than 20 meshes).
The gear type crusher comprises a crushing cavity 55, a feeding hole 52, a movable gear shaft 65, a fixed gear shaft 56, a movable gear 51, a fixed gear 50, a bearing 71, a chute 66, a pushing plate 64, a hydraulic pushing rod 58, a hydraulic cylinder 59, a pushing spring 67, a vibrating screen 49, a storage box 70, a discharging hole 69, a return outlet 60, a return belt 48, a return belt pulley 47, a scraper 62, a return sealing cover 61, a return inlet 63, a spiral conveyor 2 and a spiral conveying pipe 57.
The feed inlet is located broken chamber top, and move gear shaft, fixed gear axle, move gear, fixed gear and be located broken chamber, and gear formula breaker has a plurality of respectively and moves gear and fixed gear, and move gear, fixed gear adopt high-strength alloy steel processing to form and install respectively through the spline on moving gear shaft, fixed gear axle, and move gear shaft, fixed gear axle both ends and pass through the bearing and install on broken chamber wall. The fixed gear shaft is a fixed shaft, and the movable gear shaft is a movable shaft. A chute is formed in the wall of the crushing cavity, and the movable gear shaft can be adjusted to horizontally move in the chute through a pushing plate, a hydraulic pushing rod and a pushing spring, so that the adjustable gap between the movable gear and the fixed gear is realized. The vibrating screen is positioned at the bottom of the crushing cavity, the included angle between the vibrating screen and the horizontal direction is 10-30 degrees (the included angle is adjustable), the lower part of the vibrating screen is connected with the broken feed back outlet, the feed back outlet is positioned at the bottom of the crushing cavity, the feed back inlet is positioned at the top of the crushing cavity, the lower part of the feed back belt is connected with the feed back outlet, and the upper part of the feed back belt is connected with the feed back inlet. The feed back belt pulley is provided with a scraper, and feed back is lifted through the scraper. The spiral feeder is positioned in the spiral feeding pipe, one end of the spiral feeding pipe is connected with the feed back inlet, and the other end of the spiral feeding pipe is connected with the feed inlet.
The gear type crushing device has the working principle that: the corresponding hydraulic pump drives the movable gear shaft, the fixed gear shaft reversely rotates to drive the fixed gear, the movable gear reversely rotates, the basalt stone material after the second-stage crushing enters the crushing cavity from the feeding hole, the rotating gear teeth impact, extrude, cut and grind the basalt stone material to comprehensively act, the basalt stone material is processed into powder and small particles, the powder and the small particles enter the vibrating screen for screening, the basalt stone material which meets the mesh requirement enters the storage box through the vibrating screen, the basalt stone material which does not meet the mesh requirement passes through the returned material outlet and the returned material belt and is lifted to the returned material inlet through the scraper on the returned material belt, and the spiral material conveyor secondarily conveys the returned material to the crushing cavity for crushing. The relative position of the movable gear shaft and the fixed gear shaft is adjusted through the top pushing plate to adjust the gap between the movable gear and the fixed gear, so that the adjustment of the mesh number of basalt is realized.
The steel-making furnace 7 adopts a standard electric arc steel-making furnace, a steel-making furnace heat-insulating layer 4 is additionally arranged outside the furnace body of the electric arc steel-making furnace, and a heat-insulating cavity 6 is formed between the steel-making furnace heat-insulating layer and the furnace body of the electric arc steel-making furnace. Item 5 in the figure represents the feed inlet of an electric arc steelmaking furnace.
The basalt melting furnace comprises a first-stage heating cavity 45 and a second-stage melting cavity 39 which are arranged up and down, a rotary heating cylinder 44 is arranged in the first-stage heating cavity, a steel-making furnace heat-insulating layer is connected with the first-stage heating cavity 45 through a hot air pipe 54, the height of the rotary heating furnace is gradually reduced from left to right, and a powder outlet 40 of the rotary heating cylinder is connected with an inlet of the second-stage melting cavity 39. That is to say, the heat of the primary heating cavity is derived from the waste heat of the electric arc steel making furnace, the corresponding hydraulic pump drives the driving gear 42 to rotate, the driving gear 42 drives the gear drum 43 to rotate, the gear drum 43 drives the rotary heating drum 44 to rotate, the basalt powder rotates in the rotary heating drum, the heating uniformity of the basalt powder is ensured, the basalt powder can be heated to 400-600 ℃ by the primary heating, the basalt powder after the primary heating enters the electric heating furnace of the secondary melting cavity from the rotary heating drum, and the basalt powder is heated to 1400-1800 ℃ by the electric heating furnace, so that the basalt powder is melted into rock pulp.
Be equipped with in the mixed spinning stove 27 and be equipped with the (mixing) device mixed agitating unit of being driven by agitating unit power unit and include vertical arrangement's (mixing) shaft 16, the bottom of (mixing) shaft is provided with stirring vane 17, has seted up the mixed furnace on the furnace body lateral wall of mixed spinning stove and has gone out the silk hole 21, stirring vane 17 is including being close to the mixing paddle board that the mixed furnace goes out the silk hole setting and connecting rod between mixing paddle board and (mixing) shaft, mixing paddle board's vertical height is greater than the vertical height of connecting rod. The mixed spinning furnace is provided with a cooling chamber 19 corresponding to the outer side of the spinning hole of the mixed furnace, and the wall of the cooling chamber is provided with a spinning hole of the cooling chamber corresponding to the spinning hole of the mixed furnace. The cooling chamber includes a refrigerator 18 which generates cold air which enters the cooling chamber through a cold air pipe to cool the high temperature basalt steel fiber 22 to normal temperature.
The upper end of the mixed filament drawing furnace 27 is provided with an inert gas inlet, and an inert gas source is connected to the inert gas inlet. The inert gas source comprises an inert gas storage box 12 and a gas compressor 14, the inert gas in the inert gas storage box forms high-pressure inert gas under the action of the gas compressor, and the inert gas enters the furnace body through the gas inlet pipe 15 and the gas inlet to form high pressure in the furnace body. The hydraulic pump drive (mixing) shaft drives stirring vane and rotates, stirring vane rotates and has two effects, an effect is through stirring vane rotation, intensive mixing magma and molten steel, the second effect makes the rotatory centrifugal force that forms of mixed liquid of magma and molten steel through stirring vane, the mixed liquid of magma and molten steel is under centrifugal force and the highly compressed effect of inert gas, form basalt steel fibre through mixing furnace tapping hole, the higher stirring paddle board of vertical height can correspond a plurality of mixing furnace tapping holes in vertical, improve tapping efficiency, in addition can also improve the mixed centrifugal force of magma and molten steel. Item 8 in fig. 1 represents a flow meter; item 9 represents a switch; item 10 represents a molten steel inlet; item 11 represents the insulation of the hybrid drawing furnace; item 13 represents a magma inlet; item 20 represents a cold air intake; item 36 represents a slurry pipe connecting the basalt melting furnace and the hybrid drawing furnace.
The spindle winding mechanism 23 comprises a rotating platform 24, a spindle winding shaft 25 is arranged on the rotating platform, the spindle winding mechanism further comprises a driving gear 79 and a toothed plate 76 meshed with the driving gear 79 for transmission, a guide rod 72 is fixedly arranged on the toothed plate 76, and a guide ring 73 for guiding corresponding basalt steel fibers to pass through is arranged on the guide rod 72. Item 78 in the figure represents a driving gear shaft fixedly connected with the driving gear coaxially, the driving gear shaft rotates clockwise under the drive of a corresponding hydraulic pump, and item 77 represents a toothed plate shaft fixedly connected with the toothed plate 76 coaxially. Because the toothed plate is meshed with the driving gear, the toothed plate rotates anticlockwise to enable the end part of the guide rod to rotate upwards and drive the guide ring to move upwards, and when the hydraulic pump drives the driving gear shaft to rotate anticlockwise, the toothed plate rotates clockwise to enable the guide rod to rotate towards the lower right side and drive the guide ring to move downwards, so that the basalt steel fibers 22 passing through the guide ring can be wound on the basalt steel fiber hollow ingots 74 layer by layer from bottom to top or from top to bottom.
The power system consists of an electric motor 32, a gearbox 31, a transfer case 30, a hydraulic motor 29 and a hydraulic pump 28, and the power of the basalt crushing device, the steel making furnace, the basalt melting furnace, the mixed spinning furnace and the ingot winding mechanism is provided by the power system. The control system 33 is composed of control elements, control software, an operation switch and the like, and can adjust the crushing speed of basalt, adjust the thickness of basalt powder, control the temperature and the powder feeding amount of a basalt melting furnace, control the temperature and the steel feeding amount of a steel melting furnace, control the mixing proportion of rock pulp and molten steel, and control the air pressure in the mixing spinning furnace, the rotating speed of a stirring blade, the twisting speed and the like.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. Extrusion formula basalt steel fiber production facility, its characterized in that: the device comprises a steel smelting furnace, a basalt melting furnace and a mixed spinning furnace, wherein a molten steel outlet of the steel smelting furnace and a magma outlet of the basalt melting furnace are connected with the mixed spinning furnace, a mixed furnace spinning hole is formed in the bottom of a furnace body of the mixed spinning furnace, a mixed stirring device driven by a power mechanism of a stirring device is arranged in the mixed spinning furnace, the basalt melting furnace comprises a first-level heating cavity and a second-level melting furnace which are arranged from top to bottom, a rotary heating cylinder is arranged in the first-level heating cavity, a steel smelting furnace heat-insulating layer is arranged on the periphery of the steel smelting furnace, and the steel smelting furnace heat-insulating layer is connected with the first-level heating cavity.
2. The extruded basalt steel fiber production facility of claim 1, wherein: the mixing and stirring device comprises a vertically arranged stirring shaft, stirring blades are arranged at the bottom of the stirring shaft, a mixing furnace wire outlet is formed in the side wall of the furnace body of the mixing and wire drawing furnace, the stirring blades comprise a stirring paddle board and a connecting rod, the stirring paddle board is close to the mixing furnace wire outlet, the connecting rod is connected between the stirring paddle board and the stirring shaft, and the vertical height of the stirring paddle board is greater than that of the connecting rod.
3. The extruded basalt steel fiber production facility of claim 1, wherein: the mixed spinning furnace is provided with a cooling chamber corresponding to the outer side of the spinning hole of the mixed furnace, and the chamber wall of the cooling chamber is provided with a spinning hole of the cooling chamber corresponding to the spinning hole of the mixed furnace.
4. The extruded basalt steel fiber production facility of claim 1, wherein: the upper end of the mixed spinning furnace is provided with an inert gas inlet, and an inert gas source is connected to the inert gas inlet.
5. The extruded basalt steel filament production facility of claim 1, further comprising: the extrusion type basalt steel fiber production equipment further comprises an ingot winding mechanism, the ingot winding mechanism comprises a rotating table, a spindle winding shaft is arranged on the rotating table, the ingot winding mechanism further comprises a driving gear and a toothed plate meshed with the driving gear in a transmission mode, a guide rod is fixedly arranged on the toothed plate, and a guide ring for guiding and penetrating through corresponding basalt steel fibers is arranged on the guide rod.
6. The extruded basalt steel fiber production facility of any one of claims 1 to 5, wherein: the extrusion type basalt steel fiber production equipment further comprises a basalt crushing device, and the basalt crushing device comprises a jaw crusher, a heavy hammer impact crusher and a gear type crusher which are sequentially arranged along the conveying direction of basalt.
7. The extruded basalt steel filament production facility of claim 6, wherein: the gear type crusher comprises a gear crushing cavity, a fixed gear and a movable gear capable of floating along the fixed gear in the radial direction through a floating spring are arranged in the crushing cavity, a basalt channel for basalt to pass through is formed between the fixed gear and the movable gear, a vibrating screen which is obliquely arranged is arranged on the lower sides of the fixed gear and the movable gear in the gear crushing cavity, the gear type crusher further comprises a conveying mechanism used for conveying the basalt on the upper side of the lower end of the vibrating screen to the upper side of the basalt channel, and the conveying mechanism comprises a vertical elevator and a transverse conveyor.
8. The extruded basalt steel fiber production facility of claim 7, wherein: the vertical hoister is arranged on the outer side of the gear crushing cavity.
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| CN202010890533.7A CN112080815B (en) | 2020-08-29 | 2020-08-29 | Extrusion type basalt steel fiber production equipment |
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| CN202010890533.7A CN112080815B (en) | 2020-08-29 | 2020-08-29 | Extrusion type basalt steel fiber production equipment |
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| CN112080815A true CN112080815A (en) | 2020-12-15 |
| CN112080815B CN112080815B (en) | 2022-09-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113059135A (en) * | 2021-03-12 | 2021-07-02 | 赣州大业金属纤维有限公司 | Equipment for rapidly producing steel fibers by adopting molten steel drawing method |
| CN115364976A (en) * | 2022-04-19 | 2022-11-22 | 鄂尔多斯应用技术学院 | Ultrahigh-pressure ceramic dielectric material production system and production method |
| CN115582549A (en) * | 2022-10-06 | 2023-01-10 | 衡阳功整钢纤维有限公司 | Steel fiber production equipment with inert gas protection |
| CN117164223A (en) * | 2023-09-15 | 2023-12-05 | 熔石新材料(天津)有限公司 | Basalt fiber production equipment with raw material pretreatment function |
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| CN115364976A (en) * | 2022-04-19 | 2022-11-22 | 鄂尔多斯应用技术学院 | Ultrahigh-pressure ceramic dielectric material production system and production method |
| CN115364976B (en) * | 2022-04-19 | 2024-03-12 | 鄂尔多斯应用技术学院 | Ultrahigh-pressure ceramic dielectric material production system and production method |
| CN115582549A (en) * | 2022-10-06 | 2023-01-10 | 衡阳功整钢纤维有限公司 | Steel fiber production equipment with inert gas protection |
| CN117164223A (en) * | 2023-09-15 | 2023-12-05 | 熔石新材料(天津)有限公司 | Basalt fiber production equipment with raw material pretreatment function |
| CN117164223B (en) * | 2023-09-15 | 2024-04-05 | 熔石新材料(天津)有限公司 | Basalt fiber production equipment with raw material pretreatment function |
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