CN109014098A - A kind of the continuous casting forming device and method of ceramic particle reinforced metal base composites - Google Patents
A kind of the continuous casting forming device and method of ceramic particle reinforced metal base composites Download PDFInfo
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- CN109014098A CN109014098A CN201810992346.2A CN201810992346A CN109014098A CN 109014098 A CN109014098 A CN 109014098A CN 201810992346 A CN201810992346 A CN 201810992346A CN 109014098 A CN109014098 A CN 109014098A
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- 239000002245 particle Substances 0.000 title claims abstract description 110
- 239000000919 ceramic Substances 0.000 title claims abstract description 108
- 239000002131 composite material Substances 0.000 title claims abstract description 51
- 238000009749 continuous casting Methods 0.000 title claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 28
- 239000002184 metal Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 103
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 90
- 239000010959 steel Substances 0.000 claims abstract description 90
- 238000013019 agitation Methods 0.000 claims abstract description 43
- 238000003756 stirring Methods 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000005520 cutting process Methods 0.000 claims abstract description 13
- 238000007711 solidification Methods 0.000 claims abstract description 10
- 230000008023 solidification Effects 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000000446 fuel Substances 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 13
- 230000002035 prolonged effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 239000011819 refractory material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 19
- 239000011159 matrix material Substances 0.000 abstract description 8
- 238000001035 drying Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 230000002459 sustained effect Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052580 B4C Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
- B22D41/24—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings characterised by a rectilinearly movable plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/114—Treating the molten metal by using agitating or vibrating means
- B22D11/115—Treating the molten metal by using agitating or vibrating means by using magnetic fields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/1226—Accessories for subsequent treating or working cast stock in situ for straightening strands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/126—Accessories for subsequent treating or working cast stock in situ for cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
- B22D11/141—Plants for continuous casting for vertical casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
- B22D11/225—Controlling or regulating processes or operations for cooling cast stock or mould for secondary cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Continuous Casting (AREA)
Abstract
The present invention discloses the continuous casting forming device and method of a kind of ceramic particle reinforced metal base composites, belongs to continuous casting technology field.Device of the present invention is mainly made of pre-heating and drying mechanism, conveying pipeline, mixing packet, slide gate nozzle, intermediate agitation packet, electromagnetic mixing apparatus, stopper, crystallizer, electromagnetic stirring device for crystallizer, secondary cooling apparatus, dummy device, withdrawal straightening machine, flame cutting machine etc..By the way that drying device and conveying pipeline are arranged at mixing packet, it can be realized feeding, drying integrated, automated production, improve production efficiency, save human cost；The ceramic particle in molten steel can be made to be evenly distributed by the way that mixing tank and electromagnetic mixing apparatus is arranged in tundish and crystallizer, achieve the effect that after solidification hard particle phase Dispersed precipitate in metallic matrix, the quality for being conducive to improve continuous casting composite billet, obtains the uniform composite material of microstructure and mechanical property.The present invention can produce the metal-base composites that ceramic particle is evenly distributed with high efficiency continuous casting, save the production time, improve production automation level, it is ensured that each process, each link influence the factor of product quality all in slave mode.
Description
Technical field
The present invention discloses the continuous casting forming device and method of a kind of ceramic particle reinforced metal base composites, belongs to continuous casting
Technical field.
Background technique
With the development of modern science and the progress of technology, to material property, more stringent requirements are proposed, does not require nothing more than material
Material has certain special performances, while also needing have good comprehensive performance.Because in modern industrial production, due to production
Rhythm is constantly promoted, and mechanical equipment running speed steps up, and the abrasion of component of machine is caused constantly to be accelerated, the use of equipment
Operating condition is worsening, and traditional, single metal alloy wear-resistant material has been unable to meet the needs of daily production, becomes restriction work
The short slab of industry technological progress ensures that the safety and reliability of production, Development of Novel are wear-resisting multiple so wanting to improve production efficiency
Condensation material has become one of the research hotspot for improving the equipment operation period, and ceramic particle reinforced metal base composites can be effective
The hardness and strength of material are improved, extends wear-resistant material and is on active service the period, reduce equipment operating cost, increase economic efficiency.
The mode of production ceramic particle reinforced metal base composites is to first pass through the life of the modes such as high temperature sintering mostly at present
Ceramic particle precast body is produced, pours into molten steel in precast body after precast body is stablized, ceramic particle is made after solidification of molten steel and increases
Strong metal based composites.The time is spent to require with technology stability very high, preparation section is complicated, and it is various to be related to step.System
The method of standby ceramic particle precast body mainly includes preparation by hand and mechanical industryization preparation, is such as prepared using manual method prefabricated
Body, production efficiency is very low, is unfavorable for large-scale industrial production, and precast body technology stability obtained is not high.Such as use machine
It is equal in metallic matrix can not to solve ceramic hard particle although improving production efficiency for the industrialized method preparation of tool
The problem of even distribution, material structure and mechanical heterogeneity obtained.In view of the above-mentioned problems, how using high efficiency continuous casting and
The technique that agitating device is uniformly mixed molten metal with hard ceramic particles is arranged in production process becomes urgent need solution with equipment
Certainly the problem of.
Summary of the invention
In view of the above technical problems, what the present invention designed a kind of ceramic particle reinforced metal base composites is casting continuously to form shape dress
It sets, to meet the requirement of metal-base composites integration, automated production that hard particles are evenly distributed, is increasing substantially
Production efficiency reduces human cost, while economizing on resources, improves the uniformity of material, also further improve material
Performance.
The invention is realized by the following technical scheme:
A kind of continuous casting forming device of ceramic particle reinforced metal base composites, including fuel -supply pipe 1, fuel storage tank 2,
Ceramic particle conveying pipeline 3, intermediate agitation packet 4, stopper 5, stopper bar 6, slide gate nozzle 7, electromagnetic stirring device for crystallizer 8, crystallization
Device 9, secondary cooling apparatus 10, withdrawal straightening machine 11, straightening roll 12, molten steel conveying pipeline 13, mixing packet 14, submersed nozzle 15, centre
Packet electromagnetic mixing apparatus 16, dummy bar 17, dummy bar storing device 18, flame cutting machine 19, tundish mixing tank 20, support rod
21, the right end of conveyer trough 22, fuel -supply pipe 1 is connected to fuel storage tank 2,3 right end of ceramic particle conveying pipeline and ceramic particle
Holding vessel connection, 13 left end of molten steel conveying pipeline are connect with steel ladle, fuel -supply pipe 1, ceramic particle conveying pipeline 3, molten steel conveying
One end of pipe 13 is inserted in parallel into mixing packet 14, ceramic particle conveying pipeline 3 and 13 bottom discharge port of molten steel conveying pipeline and mixing vertically
The close contact of 14 side walls is wrapped, and is not contacted with 14 bottom of mixing packet；14 bottom of mixing packet is inserted into 15 upper end of submersed nozzle, and sets
It is equipped with slide switch, lower end is inserted into tundish mixing tank 20, and is in close contact with liquid level in tundish mixing tank 20, tundish
Mixing tank 20 is located in intermediate agitation packet 4, is fixed on the left side of intermediate agitation packet 4, during tundish electromagnetic mixing apparatus 16 is fixed on
Between stirring packet 4 left side outer wall on；5 bottom of stopper and 4 bottom discharge port of intermediate agitation packet closure connect, by moving up and down plug
Stick 5 controls 4 bottom right side discharge port of intermediate agitation packet and opens and be closed；Slide gate nozzle 7 is fixed on 4 bottom of intermediate agitation packet, sliding
Dynamic 7 upper port of the mouth of a river is connect with 4 bottom right side discharge port of intermediate agitation packet, and 7 lower end discharge port of slide gate nozzle and crystallizer 9 connect
It connects；Electromagnetic stirring device for crystallizer 8 is fixed on 9 two sides outer wall of crystallizer, and 9 bottom of crystallizer is fixed on 22 head of conveyer trough,
Tail end is connect with dummy bar storing device 18, and secondary cooling apparatus 10 is fixed on the outside of 9 lower section conveyer trough of crystallizer, 22 wall, straightening
Machine 11 is connect with 22 end of conveyer trough, and dummy bar 17 passes through inside withdrawal straightening machine 11, and 9 bottom of crystallizer is inserted on 17 head of dummy bar
Portion forms mobilizable interior bottom, control 9 bottom discharge port of crystallizer folding, 17 tail end of dummy bar and dummy bar storing device 18
Connection, dummy bar 17 are placed in conveyer trough, and straightening roll 12 is fixed on the outside of conveyer trough, are located at the end of conveyer trough (22),
And connect with straightener, dummy bar storing device 18 is located at conveyer trough end, for storing the dummy bar 17 of recycling, gas flame cuttiug
Machine 19 is located at 18 rear of dummy bar storing device.
Preferably, one end of fuel -supply pipe (1) insertion mixing packet (14) of the present invention is upper and lower scalable delivery pipe,
Change the height of nozzle and bottom by manual or sequence controlled machine transmission device, adjusts baking position, be inserted into mixing packet 14
One end head is equipped with igniter, is equipped with pressure apparatus inside fuel storage tank 2.
Preferably, the outside of slide gate nozzle 7 and submersed nozzle 15 of the present invention coats refractory material.
Preferably, device of the present invention further includes support rod 21, stopper bar 6, is fixed on stopper 5 and support rod 21
The both ends of cross bar, support rod 21 are fixed in 4 outer right wall of intermediate agitation packet by fastening bolt, pass through stopper bar 6 and curved bar
The leverage control support rod 21 of composition is up and down, to drive stopper 5 up and down, curved bar is fixed on intermediate agitation packet
In the outer side-lower fastening bolt of 4 right walls, fulcrum is provided for stopper bar 6,6 left end of stopper bar is fixed on support rod 21, and middle part is logical
It crosses hinge and curved bar head end is fixed as fulcrum, 6 right end of stopper bar can drive stopper mobile up and down.
Another object of the present invention is to provide described devices for shaped ceramic particles reiforced metal-base composition
Method, specifically includes the following steps:
(1) before 14 pan feeding of mixing packet, 1 port igniter of fuel -supply pipe is opened, 2 internal pressure device of fuel storage tank is utilized
It injects fuel at 1 port of fuel -supply pipe, preheating is dried to mixing packet 14,1 front end of fuel -supply pipe is scalable
Delivery pipe can control flame height by elongation or contracted delivery length of tube, reach 1000 DEG C ~ 1200 to mixing packet inner wall temperature
Outside DEG C after-contraction fuel -supply pipe 1 to mixing packet 14, ceramic particle is added to by mixing packet 14 by ceramic particle conveying pipeline 3
In, by being rapidly added molten steel by molten steel conveying pipeline 13 after the dry 5min of heat in mixing packet, tapping temperature is located at 1680
℃~1760℃；
(2) submersed nozzle 15 is opened rapidly after being added to molten steel, molten steel and ceramic particle enter tundish mixing tank 20,
20 discharge port of tundish mixing tank is closed, unlatching is fixed on 20 outside tundish electromagnetic mixing apparatus 16 of tundish mixing tank, is made
Molten steel sufficiently stirs, and ceramic particle is driven to be uniformly distributed；
(3) it is lifted up 6 right end of stopper bar after being mixed, stopper bar 6 lifts stopper 5 by support rod 21 and cross bar,
And opening slide gate nozzle 7 makes molten steel enter crystallizer 9, can open size by slide gate nozzle 7 and control molten steel dropping velocity；
(4) after molten steel enters crystallizer 9, electromagnetic stirring device for crystallizer 8 is opened to the molten steel prolonged agitation containing ceramic particle,
Cooling water constantly washes away 9 wall of crystallizer simultaneously, and the molten steel at 9 bottom dummy bar 17 of crystallizer first solidifies, far from dummy ingot
Molten steel prolonged agitation under the effect of electromagnetic stirring device for crystallizer 8 at bar 17, is uniformly mixed ceramic particle and molten steel；
(5) after the molten steel containing ceramic particle forms initial green shell in device 9 to be crystallized, crystallizer 9 will be inserted into using withdrawal straightening machine 11
The dummy bar 17 that bottom is sticked together with initial composite solidification shell is persistently pulled out from crystallizer 9, and molten steel is solidifying before pulling out
Solid at shell thickness >=3mm；
(6) continue water cooling using the ceramic particle metal-base composites continuous casting billet of 10 pairs of secondary cooling apparatus pull-outs；
(7) it is drawn using withdrawal straightening machine 11, and lonely shaped cast base is repeatedly aligned, until slab is de- by withdrawal straightening machine 11 and dummy bar 17
Until hook, dummy bar 17 is transported at dummy bar storing device 18, drawing speed 5-500mm/min；
(8) ceramic particle metal-base composites continuous casting billet head and tail portion ceramic particle are distributed not using flame cutting machine 19
It is uniform partially cut-away, it is transported to continuous casting billet storeroom, obtains ceramic particle reinforced metal base composites continuous casting billet.
Different types of ceramic particle and molten steel type can be replaced, the ceramic particle reinforced metal base of heterogeneity is obtained
Composite material continuous casting billet, while different types of milling train can be set, it is multiple to obtain ceramic particle reinforced metal base of different shapes
Condensation material continuous casting billet.
Beneficial effects of the present invention:
(1) composite material is produced using the method for continuous casting, has not only saved the production time, has improved production efficiency, be conducive to big
Large-scale production and continuous production.
(2) this technique is based on traditional continuous casting manufacturing technique, but is innovated and be transformed in the technique, and tradition is even
The research theory of casting process can be very good to instruct the adjustment of the technique and design.
(3) mixing tank and electromagnetic mixing apparatus are set in intermediate agitation packet, stirred compared to molten steel is directly injected centre
Packet is mixed, and electromagnetic mixing apparatus is set on the outside of entire intermediate agitation packet, it is characterized in that the steel injected from mixing packet every time
Liquid measure is easier to control, and since the molten steel amount of injection is less, electromagnetic stirring force is bigger, and mixing effect is more preferable, improves compound company
Slab quality；Temperature before can control mixing time and solidification simultaneously guarantees that molten steel and ceramic particle are uniformly mixed.
(4) electromagnetic mixing apparatus is set on the outside of crystallizer, material can be made to be unlikely to generate ceramics before solidification
The segregation of grain, improves the quality of composite continuous casting base, while reducing the amount of cutting of uneven part in subsequent flame cutting process, saves
About material cost improves production economy benefit.
Detailed description of the invention
Fig. 1 is the high efficiency continuous casting manufacturing process schematic diagram of ceramic particle reinforced metal base composites；
Fig. 2 is intermediate agitation pack arrangement schematic diagram；
Fig. 3 is mold structure schematic diagram.
Fig. 4 is ceramic particle metal-base composites finished product.
In figure: 1- drying device fuel -supply pipe；2- drying device fuel storage tank；3- ceramic particle conveying pipeline；In 4-
Between stir packet；5- stopper；6- stopper bar；7- slide gate nozzle；8- electromagnetic stirring device for crystallizer；9- crystallizer；10- secondary cooling
Device；11- withdrawal straightening machine；12- straightening roll；13- molten steel conveying pipeline；14- mixing packet；15- submersed nozzle；16- tundish electromagnetism
Agitating device；17- dummy bar；18- dummy bar storing device；19- flame cutting machine；20- tundish mixing tank；21- support rod；
22- conveyer trough.
Specific embodiment
The present invention is made further to detailed description combined with specific embodiments below, but protection scope of the present invention and unlimited
In the content.
Equipment therefor structure of the embodiment of the present invention is as shown in Fig. 1 ~ 3, including fuel -supply pipe 1, fuel storage tank 2, ceramics
Particle conveying pipeline 3, intermediate agitation packet 4, stopper 5, stopper bar 6, slide gate nozzle 7, electromagnetic stirring device for crystallizer 8, crystallizer 9,
Secondary cooling apparatus 10, withdrawal straightening machine 11, straightening roll 12, molten steel conveying pipeline 13, mixing packet 14, submersed nozzle 15, tundish electricity
Magnetic agitating device 16, dummy bar 17, dummy bar storing device 18, flame cutting machine 19, tundish mixing tank 20, support rod 21,
The right end of conveyer trough 22, fuel -supply pipe 1 is connected to fuel storage tank 2, and 3 right end of ceramic particle conveying pipeline and ceramic particle store
Tank connection, 13 left end of molten steel conveying pipeline are connect with steel ladle, fuel -supply pipe 1, ceramic particle conveying pipeline 3, molten steel conveying pipeline 13
One end be inserted in parallel into mixing packet 14 vertically, ceramic particle conveying pipeline 3 and 13 bottom discharge port of molten steel conveying pipeline and mixing packet 14
Side wall is in close contact, and is not contacted with 14 bottom of mixing packet；14 bottom of mixing packet is inserted into 15 upper end of submersed nozzle, and is provided with
Slide switch, lower end is inserted into tundish mixing tank 20, and is in close contact with liquid level in tundish mixing tank 20, tundish mixing
Tank 20 is located in intermediate agitation packet 4, is fixed on 4 left side of intermediate agitation packet, and 16 fixing bolt of tundish electromagnetic mixing apparatus is fixed on
On the outer wall in 4 left side of intermediate agitation packet；5 bottom of stopper and 4 bottom discharge port of intermediate agitation packet closure connect, by moving up and down
Stopper 5 controls 4 bottom right side discharge port of intermediate agitation packet and opens and be closed；Slide gate nozzle 7 is fixed on 4 bottom of intermediate agitation packet,
7 upper port of slide gate nozzle is connect with 4 bottom right side discharge port of intermediate agitation packet, 7 lower end discharge port of slide gate nozzle and crystallizer 9
Connection；Electromagnetic stirring device for crystallizer 8 is fixed on 9 two sides outer wall of crystallizer, and 9 bottom of crystallizer is fixed on 22 head of conveyer trough
Portion, tail end are connect with dummy bar storing device 18, and secondary cooling apparatus 10 is fixed on the outside of 9 lower section conveyer trough of crystallizer, 22 wall,
Withdrawal straightening machine 11 is connect with 22 end of conveyer trough, and dummy bar 17 passes through inside withdrawal straightening machine 11, and crystallizer 9 is inserted on 17 head of dummy bar
Mobilizable interior bottom, control 9 bottom discharge port of crystallizer folding, 17 tail end of dummy bar and dummy bar storing device are formed on bottom
18 connections, dummy bar 17 is placed in conveyer trough, and straightening roll 12 is fixed on the outside of conveyer trough, positioned at the end of conveyer trough 22,
And connect with straightener, dummy bar storing device 18 is located at conveyer trough end, for storing the dummy bar 17 of recycling, gas flame cuttiug
Machine 19 is located at 18 rear of dummy bar storing device.
One end that the fuel -supply pipe 1 is inserted into mixing packet 14 is upper and lower scalable delivery pipe, passes through manual or program control
Mechanical driving device processed changes the height of nozzle and bottom, adjusts baking position, and insertion 14 1 end head of mixing packet is equipped with igniting
Device is equipped with pressure apparatus inside fuel storage tank 2.
The outside of the slide gate nozzle 7 and submersed nozzle 15 coats refractory material.
The both ends of cross bar are fixed on the stopper 5 and support rod 21, during support rod 21 is fixed on by fastening bolt
Between in stirring 4 outer right walls of packet, it is up and down that support rod 21 is controlled by the leverage that stopper bar 6 and curved bar form, thus
Drive stopper 5 up and down, curved bar is fixed in the outer side-lower fastening bolt of 4 right wall of intermediate agitation packet, provides branch for stopper bar 6
Point, 6 left end of stopper bar are fixed on support rod 21, and middle part is used as fulcrum, 6 right end of stopper bar by the way that hinge and curved bar head end are fixed
Stopper can be driven mobile up and down.
Embodiment 1
(1) before 14 pan feeding of mixing packet, 1 port igniter of fuel -supply pipe is opened, 2 internal pressure device of fuel storage tank is utilized
It injects fuel at 1 port of fuel -supply pipe, preheating is dried to mixing packet 14,1 front end of fuel -supply pipe is scalable
Delivery pipe can control flame height by elongation or contracted delivery length of tube, and jet flames temperature is 1200 DEG C, and flame is to mixing
Packet sustained firing heats 60min, reaches outside 1100 DEG C of after-contraction fuel -supply pipes 1 to mixing packet 14 to mixing packet inner wall temperature,
20 mesh alumina ceramic grains are added in mixing packet 14 by ceramic particle conveying pipeline 3, it is dry by the heat in mixing packet
Molten steel is rapidly added by molten steel conveying pipeline 13 after dry 5min, tapping temperature is located at 1700 DEG C；
(2) submersed nozzle 15 is opened rapidly after being added to molten steel, molten steel and ceramic particle enter tundish mixing tank 20,
20 discharge port of tundish mixing tank is closed, unlatching is fixed on 20 outside tundish electromagnetic mixing apparatus 16 of tundish mixing tank, is made
Molten steel sufficiently stirs, and ceramic particle is driven to be uniformly distributed；
(3) it is lifted up 6 right end of stopper bar after stirring molten steel 3min, stopper bar 6 lifts stopper 5 by support rod 21 and cross bar,
And opening slide gate nozzle 7 makes molten steel enter crystallizer 9, can open size by slide gate nozzle 7 and control molten steel dropping velocity；
(4) after molten steel enters crystallizer 9, electromagnetic stirring device for crystallizer 8 is opened to the molten steel prolonged agitation containing ceramic particle,
Cooling water (cooling water flow 500L/h) constantly washes away 9 wall of crystallizer simultaneously, at 9 bottom dummy bar 17 of crystallizer
Molten steel first solidifies, and far from the prolonged agitation under the effect of electromagnetic stirring device for crystallizer 8 of the molten steel at dummy bar 17, makes ceramic particle
It is uniformly mixed with molten steel；
(5) after the molten steel in device 9 to be crystallized containing ceramic particle forms the initial green shell of 5mm, insertion is crystallized using withdrawal straightening machine 11
The dummy bar 17 that 9 bottom of device is sticked together with initial composite solidification shell is persistently pulled out from crystallizer 9；
(6) continue water cooling using the ceramic particle metal-base composites continuous casting billet of 10 pairs of secondary cooling apparatus pull-outs, it is secondary cold
But water flow is 1000L/h.
(7) it is drawn using withdrawal straightening machine 11, drawing speed 200mm/min, and lonely shaped cast base is repeatedly aligned, until slab
Until being broken off relations by withdrawal straightening machine 11 and dummy bar 17, dummy bar 17 is transported at dummy bar storing device 18；
(8) ceramic particle metal-base composites continuous casting billet head and tail portion ceramic particle are distributed not using flame cutting machine 19
It is uniform partially cut-away, it is transported to continuous casting billet storeroom, obtains ceramic particle reinforced metal base composites continuous casting billet.
The ceramic particle reinforced metal base composites microstructure and mechanical property that the present embodiment is prepared is uniform, hardness
Height, wearability is good, and ceramic particle is evenly distributed in metallic matrix, not easily to fall off.
By ceramic particle reinforced metal base composites made from the present embodiment, can be used as under the high wear working condition of HI high impact
Wearing piece, wherein the metallic matrix is potassium steel.Ceramic particle enhance ultra-high manganese steel composite material ensure that it is higher tough
Its hardness and wearability are enhanced while property and work hardening ability.
Embodiment 2
(1) before 14 pan feeding of mixing packet, 1 port igniter of fuel -supply pipe is opened, 2 internal pressure device of fuel storage tank is utilized
It injects fuel at 1 port of fuel -supply pipe, preheating is dried to mixing packet 14,1 front end of fuel -supply pipe is scalable
Delivery pipe can control flame height by elongation or contracted delivery length of tube, and jet flames temperature is 1300 DEG C, and flame is to mixing
Packet sustained firing heats 50min, reaches outside 1200 DEG C of after-contraction fuel -supply pipes 1 to mixing packet 14 to mixing packet inner wall temperature,
16 mesh boron carbide ceramics particles are added in mixing packet 14 by ceramic particle conveying pipeline 3, it is dry by the heat in mixing packet
Molten steel is rapidly added by molten steel conveying pipeline 13 after dry 5min, tapping temperature is located at 1680 DEG C ~ 1760 DEG C；
(2) submersed nozzle 15 is opened rapidly after being added to molten steel, molten steel and ceramic particle enter tundish mixing tank 20,
20 discharge port of tundish mixing tank is closed, unlatching is fixed on 20 outside tundish electromagnetic mixing apparatus 16 of tundish mixing tank, is made
Molten steel sufficiently stirs, and ceramic particle is driven to be uniformly distributed；
(3) 6 right end of stopper bar is lifted up after 4min, stopper bar 6 lifts stopper 5 by support rod 21 and cross bar, and opens cunning
The dynamic mouth of a river 7 makes molten steel enter crystallizer 9, can open size by slide gate nozzle 7 and control molten steel dropping velocity；
(4) after molten steel enters crystallizer 9, electromagnetic stirring device for crystallizer 8 is opened to the molten steel prolonged agitation containing ceramic particle,
Cooling water constantly washes away 9 wall (water flow 600L/h) of crystallizer simultaneously, the molten steel at 9 bottom dummy bar 17 of crystallizer
It first solidifies, far from the prolonged agitation under the effect of electromagnetic stirring device for crystallizer 8 of the molten steel at dummy bar 17, makes ceramic particle and steel
Liquid is uniformly mixed；
(5) after the molten steel in device 9 to be crystallized containing ceramic particle forms the initial green shell of 4mm, insertion is crystallized using withdrawal straightening machine 11
The dummy bar 17 that 9 bottom of device is sticked together with initial composite solidification shell is persistently pulled out from crystallizer 9；
(6) continue water cooling using the ceramic particle metal-base composites continuous casting billet of 10 pairs of secondary cooling apparatus pull-outs, it is secondary cold
But water flow is 1200L/h；
(7) (drawing speed 250mm/min) is drawn using withdrawal straightening machine 11, and lonely shaped cast base is repeatedly aligned, until slab is logical
Until crossing withdrawal straightening machine 11 and the unhook of dummy bar 17, dummy bar 17 is transported at dummy bar storing device 18；
(8) ceramic particle metal-base composites continuous casting billet head and tail portion ceramic particle are distributed not using flame cutting machine 19
It is uniform partially cut-away, it is transported to continuous casting billet storeroom, obtains ceramic particle reinforced metal base composites continuous casting billet.
The ceramic particle reinforced metal base composites microstructure and mechanical property that the present embodiment is prepared is uniform, hardness
Height, wearability is good, and ceramic particle is evenly distributed in metallic matrix, not easily to fall off.
By ceramic particle reinforced metal base composites made from the present embodiment, can be used as under the high wear working condition of HI high impact
Wearing piece, wherein the metallic matrix is common medium-carbon steel.Ceramic particle enhancing medium carbon steel composite material not only ensure that carbon steel
Weldability, while enhancing intensity.
Embodiment 3
(1) before 14 pan feeding of mixing packet, 1 port igniter of fuel -supply pipe is opened, 2 internal pressure device of fuel storage tank is utilized
It injects fuel at 1 port of fuel -supply pipe, preheating is dried to mixing packet 14,1 front end of fuel -supply pipe is scalable
Delivery pipe can control flame height by elongation or contracted delivery length of tube, and jet flames temperature is 1400 DEG C, and flame is to mixing
Packet sustained firing heats 60min, reaches outside 1100 DEG C of after-contraction fuel -supply pipes 1 to mixing packet 14 to mixing packet inner wall temperature,
30 mesh Zircon corundum ceramics particles are added in mixing packet 14 by ceramic particle conveying pipeline 3, it is dry by the heat in mixing packet
Molten steel is rapidly added by molten steel conveying pipeline 13 after dry 5min, tapping temperature is located at 1720 DEG C；
(2) submersed nozzle 15 is opened rapidly after being added to molten steel, molten steel and ceramic particle enter tundish mixing tank 20,
20 discharge port of tundish mixing tank is closed, unlatching is fixed on 20 outside tundish electromagnetic mixing apparatus 16 of tundish mixing tank, is made
Molten steel sufficiently stirs, and ceramic particle is driven to be uniformly distributed；
(3) it is lifted up 6 right end of stopper bar after 3min being mixed, stopper bar 6 lifts stopper 5 by support rod 21 and cross bar,
And opening slide gate nozzle 7 makes molten steel enter crystallizer 9, can open size by slide gate nozzle 7 and control molten steel dropping velocity；
(4) after molten steel enters crystallizer 9, electromagnetic stirring device for crystallizer 8 is opened to the molten steel prolonged agitation containing ceramic particle,
Cooling water constantly washes away 9 wall (cooling water flow 700L/h) of crystallizer simultaneously, at 9 bottom dummy bar 17 of crystallizer
Molten steel first solidifies, and far from the prolonged agitation under the effect of electromagnetic stirring device for crystallizer 8 of the molten steel at dummy bar 17, makes ceramic particle
It is uniformly mixed with molten steel；
(5) molten steel containing ceramic particle is formed after initial green shell (shell thickness should be in 4mm or more) in device 9 to be crystallized, is utilized
The dummy bar 17 that insertion 9 bottom of crystallizer and initial composite solidification shell are sticked together by withdrawal straightening machine 11 is from crystallizer 9
It is lasting to pull out；
(6) continue water cooling using the ceramic particle metal-base composites continuous casting billet of 10 pairs of secondary cooling apparatus pull-outs, it is secondary cold
But water flow is 1300L/h；
(7) (drawing speed 230mm/min) is drawn using withdrawal straightening machine 11, and lonely shaped cast base is repeatedly aligned, until slab is logical
Until crossing withdrawal straightening machine 11 and the unhook of dummy bar 17, dummy bar 17 is transported at dummy bar storing device 18；
(8) ceramic particle metal-base composites continuous casting billet head and tail portion ceramic particle are distributed not using flame cutting machine 19
It is uniform partially cut-away, it is transported to continuous casting billet storeroom, obtains ceramic particle reinforced metal base composites continuous casting billet.
The ceramic particle reinforced metal base composites microstructure and mechanical property that the present embodiment is prepared is uniform, hardness
Height, wearability is good, and ceramic particle is evenly distributed in metallic matrix, not easily to fall off.
By ceramic particle reinforced metal base composites made from the present embodiment, can be used as under the high wear working condition of HI high impact
Wearing piece, wherein the metallic matrix is high chrome.Ceramic particle enhancing high chrome composite material enhances the shock resistance of material
Property and intensity.
Claims (5)
1. a kind of continuous casting forming device of ceramic particle reinforced metal base composites, it is characterised in that: including fuel -supply pipe
(1), fuel storage tank (2), ceramic particle conveying pipeline (3), intermediate agitation packet (4), stopper (5), stopper bar (6), slide gate nozzle
(7), electromagnetic stirring device for crystallizer (8), crystallizer (9), secondary cooling apparatus (10), withdrawal straightening machine (11), straightening roll (12), steel
Liquid conveying pipeline (13), mixing packet (14), submersed nozzle (15), tundish electromagnetic mixing apparatus (16), dummy bar (17), dummy ingot
Bar storing unit (18), flame cutting machine (19), tundish mixing tank (20), support rod (21), conveyer trough (22), fuel conveying
The right end of pipe (1) is connected to fuel storage tank (2), and ceramic particle conveying pipeline (3) right end is connect with ceramic particle holding vessel, molten steel
Conveying pipeline (13) left end is connect with steel ladle, fuel -supply pipe (1), ceramic particle conveying pipeline (3), molten steel conveying pipeline (13) one
End is inserted in parallel into mixing packet (14) vertically, ceramic particle conveying pipeline (3) and molten steel conveying pipeline (13) bottom discharge port and mixing packet
(14) side wall is in close contact, and is not contacted with mixing packet (14) bottom；Mixing packet (14) bottom is inserted into submersed nozzle (15) upper end
Portion, and it is provided with slide switch, lower end is inserted into tundish mixing tank (20), and close with tundish mixing tank (20) interior liquid level
Contact, tundish mixing tank (20) are located in intermediate agitation packet (4), are fixed on the left of intermediate agitation packet (4), and tundish electromagnetism stirs
Device (16) is mixed to be fixed on the outer wall on the left of intermediate agitation packet (4)；Stopper (5) bottom and intermediate agitation packet (4) bottom discharge
Mouth closure connection controls the unlatching of intermediate agitation packet (4) bottom right side discharge port and closure by moving up and down stopper (5)；Sliding
Intermediate agitation packet (4) bottom is fixed at the mouth of a river (7), and slide gate nozzle (7) upper port and intermediate agitation packet (4) bottom right side discharge
Mouth connection, slide gate nozzle (7) lower end discharge port are connect with crystallizer (9)；Electromagnetic stirring device for crystallizer (8) is fixed on crystallizer
(9) on the outer wall of two sides, crystallizer (9) bottom is fixed on conveyer trough (22) head, and tail end is connect with dummy bar storing device (18),
Secondary cooling apparatus (10) is fixed below crystallizer (9) on the outside of conveyer trough (22) wall, withdrawal straightening machine (11) and conveyer trough (22) end
End connection, dummy bar (17) pass through inside withdrawal straightening machine (11), and crystallizer (9) bottom is inserted on dummy bar (17) head, and formation can
Movable interior bottom, control crystallizer (9) bottom discharge port folding, dummy bar (17) tail end and dummy bar storing device (18) are even
It connects, dummy bar (17) is placed in conveyer trough, and straightening roll (12) is fixed on the outside of conveyer trough (22), is located at conveyer trough (22)
End, and connect with straightener, dummy bar storing device (18) is located at conveyer trough end, for storing the dummy bar of recycling
(17), flame cutting machine (19) is located at dummy bar storing device (18) rear.
2. the continuous casting forming device of ceramic particle reinforced metal base composites according to claim 1, it is characterised in that: combustion
One end that material conveying tube (1) is inserted into mixing packet (14) is upper and lower scalable delivery pipe, is driven by manual or sequence controlled machine
Device changes the height of nozzle and bottom, adjusts baking position, and insertion (14) one end head of mixing packet is equipped with igniter, fuel storing
It deposits and is equipped with pressure apparatus inside tank (2).
3. the continuous casting forming device of ceramic particle reinforced metal base composites according to claim 1, it is characterised in that: sliding
Dynamic the mouth of a river (7) and the outside of submersed nozzle (15) coat refractory material.
4. the continuous casting forming device of ceramic particle reinforced metal base composites according to claim 1, it is characterised in that: also
Including support rod (21), stopper bar (6), the both ends of cross bar are fixed on stopper (5) and support rod (21), support rod (21) is logical
It crosses fastening bolt to be fixed in intermediate agitation packet (4) outer right wall, be controlled by the leverage that stopper bar (6) and curved bar form
Support rod (21) is up and down, to drive stopper (5) up and down, under curved bar is fixed on the outside of intermediate agitation packet (4) right wall
In square fastening bolt, fulcrum is provided for stopper bar (6), stopper bar (6) left end is fixed on support rod (21), and middle part passes through hinge
Fixed as fulcrum with curved bar head end, stopper bar (6) right end can drive stopper mobile up and down.
5. the method that claim 1 ~ 3 any one described device is used for shaped ceramic particles reiforced metal-base composition,
It is characterized in that, comprising the following steps:
(1) before mixing packet (14) pan feeding, fuel -supply pipe (1) port igniter is opened, mixing packet (14) is dried pre-
Heat reaches 1000 DEG C ~ 1200 DEG C after-contraction fuel -supply pipes (1) to mixing packet (14) outside to mixing packet inner wall temperature, passes through pottery
Ceramic particle is added in mixing packet (14) by porcelain particle conveying pipeline (3), by passing through after the dry 5min of heat in mixing packet
Molten steel conveying pipeline (13) is rapidly added molten steel, and tapping temperature is located at 1680 DEG C ~ 1760 DEG C；
(2) it is opened rapidly submersed nozzle (15) after being added to molten steel, molten steel and ceramic particle enter tundish mixing tank
(20), tundish mixing tank (20) discharge port is closed, tundish electromagnetic agitation on the outside of tundish mixing tank (20) is fixed in unlatching
Device (16)；
(3) stopper (5) are lifted up after being mixed, and opening slide gate nozzle (7) makes molten steel enter crystallizer (9)；
(4) after molten steel enters crystallizer (9), electromagnetic stirring device for crystallizer (8) are opened, the molten steel containing ceramic particle is continued
Agitation, while cooling water constantly washes away crystallizer (9) wall, the molten steel at crystallizer (9) bottom dummy bar (17) first coagulates
Gu making ceramic particle and steel far from the prolonged agitation under electromagnetic stirring device for crystallizer (8) effect of the molten steel at dummy bar (17)
Liquid is uniformly mixed；
(5) after the molten steel containing ceramic particle forms initial green shell in device (9) to be crystallized, insertion is crystallized using withdrawal straightening machine (11)
The dummy bar (17) that device (9) bottom is sticked together with initial composite solidification shell is persistently pulled out from crystallizer (9), is pulled out
Shell thickness >=3mm that preceding solidification of molten steel is formed；
(6) water cooling is continued to the ceramic particle metal-base composites continuous casting billet of pull-out using secondary cooling apparatus (10)；
(7) it is drawn using withdrawal straightening machine (11), and lonely shaped cast base is repeatedly aligned, until slab passes through withdrawal straightening machine (11) and dummy bar
(17) until breaking off relations, dummy bar (17) is transported at dummy bar storing device (18), drawing speed 5-500mm/min；
(8) ceramic particle metal-base composites continuous casting billet head and tail portion ceramic particle are distributed using flame cutting machine (19)
It is non-uniform partially cut-away, it is transported to continuous casting billet storeroom, obtains ceramic particle reinforced metal base composites continuous casting billet.
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