阅读说明：本技术 一种硅钡铸铁专用孕育剂及其制作设备 (Special inoculant for silicon-barium cast iron and manufacturing equipment thereof ) 是由 凌云 于 2021-08-25 设计创作，主要内容包括：本发明涉及孕育剂生产技术领域,具体涉及一种硅钡铸铁专用孕育剂及其制作设备,一种硅钡铸铁专用孕育剂,包括以下原料：Si：10％-30％、Nd：7％-10％、Cu：5％-8％、Al：1％-3％、Ba：0.5％-2％、稀土：1％-3％、四氧化三铁：10％-20％、Cr：3％-10％、V：0.1％-0.5％、Mn：0.1％-0.5％、Sc：0.1％-0.5％、Ti：0.5％-3％。还提供了一种硅钡铸铁专用孕育剂制作设备,包括预处理部、熔炼部、浇铸部、冷却仓、传送部、冷却部、粉碎部和搅拌部,搅拌部置于预处理部的顶部,熔炼部置于预处理部的后端,浇铸部置于熔炼部的底部,冷却仓置于浇铸部的底部,传送部置于冷却仓内,粉碎部置于传送部的后端,冷却部置于传送部的两侧。解决了一般的孕育剂稳定性较差,容易出现白口倾向,并且其制备工序自动化程度较低,伸生产效率不佳等问题。(The invention relates to the technical field of inoculant production, in particular to a special silicon-barium cast iron inoculant and manufacturing equipment thereof, and the special silicon-barium cast iron inoculant comprises the following raw materials: si: 10% -30%, Nd: 7% -10%, Cu: 5% -8%, Al: 1% -3%, Ba: 0.5% -2%, rare earth: 1% -3%, ferroferric oxide: 10% -20%, Cr: 3% -10%, V: 0.1% -0.5%, Mn: 0.1% -0.5%, Sc: 0.1% -0.5%, Ti: 0.5 to 3 percent. Still provide a special inoculant preparation equipment of silicon barium cast iron, including the preliminary treatment portion, smelt the portion, the casting portion, the cooling bin, the conveying portion, the cooling portion, crushing portion and stirring portion, the top of preliminary treatment portion is arranged in to the stirring portion, the rear end of preliminary treatment portion is arranged in to the smelting portion, the bottom of smelting the portion is placed in to the casting portion, the bottom of casting portion is placed in to the cooling bin, the conveying portion is placed in the cooling bin, crushing portion is placed in the rear end of conveying portion, the both sides of conveying portion are placed in to the cooling portion. Solves the problems that the general inoculant has poor stability, is easy to have a chilling tendency, and has low automation degree of the preparation process, poor stretching production efficiency and the like.)

1. The special inoculant for silicon-barium cast iron is characterized by comprising the following components in parts by weight: the method comprises the following raw materials: si: 10% -30%, Nd: 7% -10%, Cu: 5% -8%, Al: 1% -3%, Ba: 0.5% -2%, rare earth: 1% -3%, ferroferric oxide: 10% -20%, Cr: 3% -10%, V: 0.1% -0.5%, Mn: 0.1% -0.5%, Sc: 0.1% -0.5%, Ti: 0.5 to 3 percent.

2. The special inoculant for silicon-barium cast iron as claimed in claim 1, wherein: the method comprises the following raw materials: si: 23% -27%, Nd: 8% -10%, Cu: 6% -7%, Al: 2% -2.5%, Ba: 1% -2%, rare earth: 1% -2%, ferroferric oxide: 13% -15%, Cr: 5% -7%, V: 0.3% -0.5%, Mn: 0.2% -0.5%, Sc: 0.3% -0.5%, Ti: 1.2 to 2 percent.

3. The special inoculant for silicon-barium cast iron as claimed in claim 2, wherein: the rare earth comprises cerium and terbium, and the Si, Ba, Ti, Cr, V, Nd, Al, Mn, Sc, Cu, ferroferric oxide and the rare earth are all in powder particle shape.

4. The manufacturing equipment of the inoculant special for the silicon-barium cast iron is characterized in that: including preliminary treatment portion (1), smelt portion (2), casting portion (3), cooling bin (4), conveying portion (5), cooling portion (6), crushing portion (7) and stirring portion (8), the top of preliminary treatment portion (1) is arranged in stirring portion (8), smelt the rear end of preprocessing portion (1) in place in portion (2), the bottom of smelting portion (2) is arranged in casting portion (3), the bottom of casting portion (3) is arranged in cooling bin (4), cooling bin (4) is arranged in conveying portion (5), the rear end of conveying portion (5) is arranged in to crushing portion (7), the both sides of conveying portion (5) are arranged in cooling portion (6).

5. The manufacturing equipment of the inoculant special for the silicon-barium cast iron as claimed in claim 4, wherein: the casting part (3) comprises a casting disc (301), a plurality of casting cylinders (302), a plurality of fixing blocks (303), a first moving motor (304), a casting frame (305), a casting support plate (306), a plurality of casting sliding blocks (307), a plurality of casting sliding rails (308), a second moving motor (309) and a plurality of casting heads (310), wherein the casting disc (301) is arranged at the top of the casting frame (305), the fixing blocks (303) are symmetrically arranged at two sides of the casting frame (305), the casting cylinders (302) are respectively clamped with the fixing blocks (303), the casting heads (310) are respectively arranged at the bottoms of the casting cylinders (302), the casting disc (301) is communicated with the casting cylinders (302), the casting support plate (306) is arranged at the bottom of the casting frame (305), the casting support plate (306) is in sliding connection with the casting frame (305), the casting sliding blocks (307) are symmetrically arranged at the bottom of the casting support plate (306), the casting slide rails (308) are respectively connected with the casting slide blocks (307) in a sliding mode, the first moving motor (304) is arranged on one side of the casting frame (305), and the second moving motor (309) is arranged at one end of the casting slide rails (308).

6. The manufacturing equipment of the inoculant special for the silicon-barium cast iron as claimed in claim 5, wherein: the crushing part (7) comprises a crushing base (701), a power block (702), a plurality of bearings with seats (703), a crushing shaft (704), a crushing bin (705), a plurality of crushing lining plates (706) and a plurality of crushing blades (707), the crushing bin (705) is arranged at the top of the crushing base (701), a plurality of bearings (703) with seats are symmetrically arranged at two sides of the crushing bin (705), two ends of the crushing shaft (704) are respectively and rotatably connected with a plurality of bearings (703) with seats, a plurality of crushing blades (707) which are uniformly distributed at intervals are arranged in the middle of the crushing shaft (704), crushing blade (707) are arranged in and are smashed storehouse (705) middle part, it is equipped with a plurality of interval equipartition crushing welt (706) to smash storehouse (705) inner wall both sides, it is a plurality of crushing blade (707) and a plurality of crushing welt (706) interval equipartition, one side of smashing axle (704) is arranged in to power piece (702).

7. The manufacturing equipment of the inoculant special for the silicon-barium cast iron as claimed in claim 6, wherein: conveying portion (5) include a plurality of bearing roller seats (501), a plurality of bearing roller (502), conveyer belt (503) and conveying baffle (504), and is a plurality of bearing roller seat (501) both sides are arranged in to bearing roller (502) symmetry, conveyer belt (503) are connected with a plurality of bearing roller (502) transmission, and are a plurality of conveying baffle (504) interval equipartition is arranged in on conveyer belt (503), cooling portion (6) are including trunk line (601), a plurality of branch pipe (602) and a plurality of nozzle (603), and are a plurality of branch pipe (602) symmetry is arranged in trunk line (601) both sides, and is a plurality of branch pipe (602) and trunk line (601) intercommunication, and are a plurality of nozzle (603) interval equipartition is arranged in on branch pipe (602), be equipped with atomizing liquid nitrogen in trunk line (601).

8. The manufacturing equipment of the inoculant special for the silicon-barium cast iron as claimed in claim 7, wherein: stirring portion (8) are including agitator motor (801), stirring connector (802), puddler (803), a plurality of stirring vane (804) and stirring storehouse (805), pretreatment portion (1) top is arranged in stirring storehouse (805), the top in stirring storehouse (805) is arranged in agitator motor (801), agitator motor (801) bottom is arranged in to stirring connector (802), agitator connector (802) bottom is arranged in to puddler (803), and is a plurality of agitator vane (804) can be dismantled and arrange in puddler (803) bottom.

9. The manufacturing equipment of the inoculant special for the silicon-barium cast iron as claimed in claim 8, wherein: pretreatment portion (1) is including feed opening (101), propulsion seat (102), a plurality of pushing ram (103), propulsion board (104) and preliminary treatment storehouse (105), the top in preliminary treatment storehouse (105) is arranged in feed opening (101), on the inner wall in preliminary treatment storehouse (105) is arranged in propulsion seat (102), it is a plurality of pushing ram (103) one end with impel seat (102) sliding connection, it is a plurality of the other end and the propulsion board (104) of pushing ram (103) are connected.

10. The use method of the special inoculant making equipment for the silicon-barium cast iron as claimed in claim 9, wherein the inoculant making equipment comprises the following steps:

s1, stirring and smelting raw materials: granular raw materials of Ba, Ti, Cr, V, Nd, Al, Mn, Sc, Cu and ferroferric oxide are put into a stirring part (8) for mixing and stirring, then are put into a pretreatment bin (105) for pretreatment operation, then a pushing rod (103) pushes a pushing plate (104) to push the raw materials into a smelting part (2) for smelting operation, and after the raw materials are molten, rare earth and Si raw materials are added for further smelting;

s2, multi-position casting: the melted solution is poured into a casting disc (301) from the bottom of the melting part (2), and the solution flows into a casting cylinder (302) from the casting disc (301) and is cast through a casting head (310);

s3, cooling and conveying: the casting head 310 casts the solution into a mold on the conveying part (5), and cooling parts (6) arranged at two sides of the conveying part (5) rapidly cool the casting block through liquid nitrogen;

s4, forming and crushing: the inoculant after cooling and forming is taken out of the mold and put into a crushing part (7) to be crushed by a plurality of crushing blades (707).

Technical Field

The invention relates to the technical field of inoculant production, and particularly relates to a special silicon-barium cast iron inoculant and manufacturing equipment thereof.

Background

The Chinese patent with publication number CN104878276A discloses a cast iron inoculant. The preparation method of the cast iron inoculant comprises the following steps: firstly, adding pure copper, pure tin and pure antimony metal into an intermediate frequency electric furnace according to a proportion for smelting; and then processing the smelted copper-tin alloy into particles, wherein the particles of the copper-tin alloy are spherical particles, cylindrical particles or shaving particles. The cast iron inoculant is prepared by smelting copper and tin together in proportion, then casting and cooling into a small ball shape, or making copper and tin into a linear shape and then processing into a small cylindrical shape, so that the cast iron inoculant can play a role in forming crystal nuclei and fully refining pearlite.

The Chinese patent with publication number CN106011599A discloses an inoculant, which comprises the following chemical components in percentage by weight: 57.6% of silicon, 3.4% of aluminum, 0.68% of nickel, 0.03% of molybdenum, 0.02% of phosphorus, and the balance of iron and impurities difficult to remove. The inoculant provided by the invention has a good effect, the using amount of the inoculant is only one tenth of the using amount of a conventional inoculant, the treated nodular graphite has a good and uniform effect, the possibility of oxidizing the inoculant is low by using the method for treatment, the treatment time is short, the strength of cast iron is obviously improved after treatment, and the machinability of the cast iron is also kept.

However, the above patents still have the following problems:

the general inoculant has poor stability, is easy to have a chilling tendency, and has low automation degree of the preparation process and poor extension production efficiency.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a special inoculant for silicon-barium cast iron and a manufacturing device thereof. The basic scheme of the invention is as follows: the special inoculant for the silicon-barium cast iron comprises the following raw materials: si: 10% -30%, Nd: 7% -10%, Cu: 5% -8%, Al: 1% -3%, Ba: 0.5% -2%, rare earth: 1% -3%, ferroferric oxide: 10% -20%, Cr: 3% -10%, V: 0.1% -0.5%, Mn: 0.1% -0.5%, Sc: 0.1% -0.5%, Ti: 0.5 to 3 percent.

Preferably, the following raw materials are included: si: 23% -27%, Nd: 8% -10%, Cu: 6% -7%, Al: 2% -2.5%, Ba: 1% -2%, rare earth: 1% -2%, ferroferric oxide: 13% -15%, Cr: 5% -7%, V: 0.3% -0.5%, Mn: 0.2% -0.5%, Sc: 0.3% -0.5%, Ti: 1.2 to 2 percent.

Preferably, the rare earth comprises cerium and terbium, and the Si, Ba, Ti, Cr, V, Nd, Al, Mn, Sc, Cu, ferroferric oxide and the rare earth are all in powder particle shape.

The utility model provides a special inoculant preparation equipment of silicon barium cast iron, includes pretreatment portion, the portion of smelting, casting portion, cooling bin, conveying portion, cooling portion, crushing portion and stirring portion, the top in pretreatment portion is placed to the stirring portion, the rear end of pretreatment portion is placed in to the portion of smelting, the bottom in the portion of smelting is placed in to the casting portion, the bottom of casting portion is placed in to the cooling bin, the conveying portion is placed in the cooling bin, crushing portion is placed in the rear end of conveying portion, the cooling portion is placed in the both sides of conveying portion.

Preferably, the casting part comprises a casting disc, a plurality of casting cylinders, a plurality of fixed blocks, a first moving motor, a casting frame, a casting support plate, a plurality of casting slide blocks, a plurality of casting slide rails, a second moving motor and a plurality of casting heads, the casting disc is arranged at the top of the casting frame, the fixing blocks are symmetrically arranged at two sides of the casting frame, the casting cylinders are respectively clamped with the fixing blocks, the casting heads are respectively arranged at the bottoms of the casting cylinders, the casting disc is communicated with the casting cylinders, the casting support plate is arranged at the bottom of the casting frame and is in sliding connection with the casting frame, the casting slide blocks are symmetrically arranged at the bottom of the casting support plate, the casting slide rails are respectively in sliding connection with the casting slide blocks, the first mobile motor is arranged on one side of the casting frame, and the second mobile motor is arranged at one end of the casting slide rail.

Preferably, crushing portion is including smashing base, power piece, a plurality of rolling bearing, crushing axle, crushing storehouse, a plurality of crushing welt and a plurality of crushing blade, crushing storehouse is arranged in and is smashed the base top, and is a plurality of rolling bearing symmetry is arranged in and is smashed the storehouse both sides, crushing axle both ends rotate with a plurality of rolling bearing respectively and are connected, crushing axle middle part is equipped with the crushing blade of a plurality of interval equipartitions, crushing blade arranges crushing storehouse middle part in, it is equipped with the crushing welt of a plurality of interval equipartitions, and is a plurality of to smash storehouse inner wall both sides smash the welt interval equipartition with a plurality of crushing welt, one side of crushing axle is arranged in to the power piece.

Preferably, the conveying portion includes a plurality of bearing roller seats, a plurality of bearing roller, conveyer belt and conveying baffle, and is a plurality of bearing roller seat both sides are arranged in to the bearing roller symmetry, the conveyer belt is connected with a plurality of bearing roller transmissions, and is a plurality of on the conveyer belt is arranged in to conveying baffle interval equipartition, the cooling portion includes trunk line, a plurality of branch pipe and a plurality of nozzle, and is a plurality of the trunk line both sides are arranged in to branch pipe symmetry, and is a plurality of branch pipe and trunk line intercommunication, a plurality of nozzle interval equipartition is arranged in on the branch pipe, be equipped with atomizing liquid nitrogen in the trunk line.

Preferably, stirring portion includes agitator motor, stirring connector, puddler, a plurality of stirring vane and stirring storehouse, pretreatment portion top is arranged in to the stirring storehouse, agitator motor arranges the top in the stirring storehouse in, agitator motor bottom is arranged in to the stirring connector, the stirring connector bottom is arranged in to the puddler, and is a plurality of agitator vane can dismantle and arrange in the puddler bottom.

Preferably, preliminary treatment portion includes the feed opening, advances seat, a plurality of pushing ram, propulsion board and preliminary treatment storehouse, the top in preliminary treatment storehouse is arranged in to the feed opening, it is a plurality of on the inner wall in preliminary treatment storehouse is arranged in to advance the seat pushing ram one end with advance seat sliding connection, it is a plurality of the other end and the propulsion board of pushing ram are connected.

The invention also discloses a using method of the special inoculant manufacturing equipment for the silicon-barium cast iron, which comprises the following steps:

s1, stirring and smelting raw materials: granular raw materials of Ba, Ti, Cr, V, Nd, Al, Mn, Sc, Cu and ferroferric oxide are put into a stirring part for mixing and stirring, then put into a pretreatment bin for pretreatment operation, then a pushing plate is pushed by a pushing rod to push the raw materials into a smelting part for smelting operation, and after the raw materials are melted, rare earth and Si raw materials are added for further smelting;

s2, multi-position casting: the melted solution is poured into a casting disc from the bottom of the melting part, and the solution flows into a casting cylinder from the casting disc and is cast through a casting head;

s3, cooling and conveying: the casting head casts the solution in a mould on the conveying part, and cooling parts arranged at two sides of the conveying part rapidly cool the casting block through liquid nitrogen;

s4, forming and crushing: the inoculant after cooling and forming is taken out of the mold and put into a crushing part to be crushed by a plurality of crushing blades.

The working principle and the advantages of the invention are as follows:

the inoculant provided by the invention comprises a pretreatment part, a smelting part, a casting part, a cooling bin, a conveying part, a cooling part, a crushing part and a stirring part, wherein the stirring part is used for mixing and stirring raw materials, the pretreatment part is used for pretreating and processing the raw materials, the subsequent smelting and processing are facilitated, the working efficiency and the processing quality are improved, the smelting part is used for melting and mixing the raw materials, the casting part is used for multi-station casting, the casting is carried out in the cooling bin for rapid cooling, the conveying part is used for conveying the raw materials to the crushing part, and the crushing treatment is carried out on the raw materials, so that the granular inoculant is finally obtained.

The casting portion sets up the casting dish and is used for connecing greatly to smelt the solution, flows into a plurality of casting barrels in, carries out a plurality of stations through a plurality of casting heads and casts, has improved casting efficiency and casting quality, and first mobile motor drives the casting frame and is lateral motion, and second mobile motor drives the casting extension board and carries out longitudinal movement, realizes that the casting portion carries out both-way movement, carries out quick casting. Crushing portion sets up crushing blade and a plurality of crushing welt clearance fit under the rotation of smashing the axle, carries out shredding to the inoculant piece, smashes the storehouse and provides broken environment and holding power for inoculant piece crushing operation. A plurality of bearing rollers drive the conveyer belt action, carry the mould on the conveyer belt, supplementary casting portion carries out the rapid casting, and the liquid nitrogen in the trunk line is discharged through a plurality of nozzles, carries out rapid cooling to the casting billet. Stirring vane rotates along with the puddler is quick under agitator motor's drive, and stirring vane can dismantle with the puddler and be connected, and the stirring vane of being convenient for changes at any time when wearing and tearing or trouble. The pretreatment portion carries out the preliminary treatment operation to the raw materials, promotes the propulsion board through the pushing ram afterwards and carries out the smelting operation in advancing the raw materials smelting portion, and the raw materials after the preliminary treatment is smelted efficiency in the smelting process and is higher, and impurity is still less.

Drawings

FIG. 1 is a schematic structural diagram of a device for manufacturing a special inoculant for silicon-barium cast iron according to the invention;

FIG. 2 is a schematic sectional view of an inoculant manufacturing device special for silicon-barium cast iron of the present invention;

FIG. 3 is a schematic structural diagram of a casting part in the inoculant making device special for the silicon-barium cast iron;

FIG. 4 is a schematic structural diagram of a conveying part in the inoculant making apparatus special for silicon-barium cast iron;

FIG. 5 is a schematic structural view of a crushing part in the inoculant making device special for the silicon-barium cast iron;

FIG. 6 is a schematic structural view of a cooling part in the inoculant making apparatus special for silicon-barium cast iron according to the present invention;

reference numerals referred to in the drawings are:

a pretreatment unit (1); a feed opening 101; a thrust block 102; a push rod 103; a thrust plate 104; a pre-treatment bin 105;

a melting section 2;

a casting section 3; a casting tray 301; a casting cylinder 302; a fixed block 303; a first moving motor 304; a casting frame 305; casting a support plate 306; casting the slide block 307; casting the slide rail 308; a second moving motor 309; a casting head 310;

a cooling bin 4;

a transfer section 5; a carrier roller seat 501; a carrier roller 502; a conveyor belt 503; a transfer baffle 504;

a cooling section 6; a main pipe 601; a bypass pipe 602; a nozzle 603;

a crushing section 7; a pulverizing base 701; a power block 702; a pedestal bearing 703; a pulverizing shaft 704; a crushing bin 705; a crush liner 706; crushing blades 707;

a stirring section 8; a stirring motor 801; a stirring connector 802; a stirring rod 803; a stirring blade 804; a stirring bin 805.

Detailed Description

The following is further detailed by the specific embodiments:

the first embodiment is as follows:

casting is an industry of high-temperature operation, cast iron casting is a complex process, particularly in the processes of molten iron smelting, molten iron inoculation treatment and molten iron pouring of cast iron, various process controls reach castings with different performances, and the generated cost is also different. The traditional instantaneous inoculation process is to use 75# ferrosilicon inoculant crushed into small particles or rare earth calcium barium inoculant and other materials to perform instantaneous inoculation on poured molten iron. Copper and tin are common metal raw materials for casting cast iron materials, and the copper and tin play an important role in cast iron and are generally added in smelting or when molten iron is poured into a pouring ladle, because the copper and tin metal materials are generally supplied in a plate shape and are relatively tough and soft, and the copper and tin metal has low melting point and relatively low hardness, cannot be hammered and crushed, and can only be added in a large block, so the copper and tin metal cannot be added along with the flow during pouring. However, the addition of the copper and tin metal blocks is too early, so that the crystal nucleus forming effect cannot be achieved, and the effects of fast advancing and pearlite refining of copper and tin cannot be fully utilized.

The invention provides a silicon-barium cast iron special inoculant which comprises the following raw materials: si: 10% -30%, Nd: 7% -10%, Cu: 5% -8%, Al: 1% -3%, Ba: 0.5% -2%, rare earth: 1% -3%, ferroferric oxide: 10% -20%, Cr: 3% -10%, V: 0.1% -0.5%, Mn: 0.1% -0.5%, Sc: 0.1% -0.5%, Ti: 0.5 to 3 percent.

The special inoculant for the silicon-barium cast iron comprises the following raw materials: si: 23% -27%, Nd: 8% -10%, Cu: 6% -7%, Al: 2% -2.5%, Ba: 1% -2%, rare earth: 1% -2%, ferroferric oxide: 13% -15%, Cr: 5% -7%, V: 0.3% -0.5%, Mn: 0.2% -0.5%, Sc: 0.3% -0.5%, Ti: 1.2 to 2 percent.

The rare earth comprises cerium and terbium, and Si, Ba, Ti, Cr, V, Nd, Al, Mn, Sc, Cu, ferroferric oxide and the rare earth are all in powder particle shape.

As shown in fig. 1-6, a special inoculant making device for silicon-barium cast iron comprises a pretreatment part 1, a smelting part 2, a casting part 3, a cooling bin 4, a conveying part 5, a cooling part 6, a crushing part 7 and a stirring part 8, wherein the stirring part 8 is arranged at the top of the pretreatment part 1, the stirring part 8 comprises a stirring motor 801, a stirring connector 802, a stirring rod 803, a plurality of stirring blades 804 and a stirring bin 805, the stirring bin 805 is arranged at the top of the pretreatment part 1, the stirring motor 801 is arranged at the top of the stirring bin 805, the stirring connector 802 is arranged at the bottom of the stirring motor 801, the stirring rod 803 is arranged at the bottom of the stirring connector 802, and the stirring blades 804 are detachably arranged at the bottom of the stirring rod 803. The stirring blade 804 is driven by the stirring motor 801 to rotate rapidly along with the stirring rod 803, and the stirring blade 804 is detachably connected with the stirring rod 803, so that the stirring blade 804 can be replaced at any time when worn or broken.

Pretreatment portion 1 includes feed opening 101, impel seat 102, a plurality of pushing ram 103, propulsion board 104 and preliminary treatment storehouse 105, and the top in preliminary treatment storehouse 105 is arranged in to feed opening 101, impels seat 102 to arrange in on the inner wall in preliminary treatment storehouse 105, a plurality of pushing ram 103 one end with impel seat 102 sliding connection, the other end and the propulsion board 104 of a plurality of pushing ram 103 are connected.

The pretreatment part 1 carries out pretreatment operation on the raw materials, then the pushing plate 104 is pushed by the pushing rod 103 to push the raw materials into the smelting part 2 for smelting operation, the smelting efficiency of the pretreated raw materials is higher in the smelting process, and the impurities are less.

The smelting part 2 is arranged at the rear end of the pretreatment part 1, the casting part 3 is arranged at the bottom of the smelting part 2, the casting part 3 comprises a casting disc 301, a plurality of casting cylinders 302, a plurality of fixing blocks 303, a first moving motor 304, a casting frame 305, a casting support plate 306, a plurality of casting sliders 307, a plurality of casting slide rails 308, a second moving motor 309 and a plurality of casting heads 310, the casting disc 301 is arranged at the top of the casting frame 305, the fixing blocks 303 are symmetrically arranged at two sides of the casting frame 305, the casting cylinders 302 are respectively clamped with the fixing blocks 303, the casting heads 310 are respectively arranged at the bottoms of the casting cylinders 302, the casting disc 301 is communicated with the casting cylinders 302, the casting support plate 306 is arranged at the bottom of the casting frame 305, the casting support plate 306 is in sliding connection with the casting frame 305, the casting sliders 307 are symmetrically arranged at the bottom of the casting support plate 306, the casting slide rails 308 are respectively in sliding connection with the casting sliders 307, the first moving motor 304 is disposed at one side of the casting frame 305, and the second moving motor 309 is disposed at one end of the casting slide 308.

Casting portion 3 sets up casting disc 301 and is used for connecing greatly to smelt the solution, flows into a plurality of casting barrel 302 in, carries out a plurality of stations through a plurality of casting heads 310 and casts, has improved casting efficiency and casting quality, and first mobile motor 304 drives casting frame 305 and is lateral motion, and second mobile motor 309 drives casting extension board 306 and carries out longitudinal motion, realizes that casting portion 3 carries out both-way movement, carries out quick casting.

Example two:

casting is an industry of high-temperature operation, cast iron casting is a complex process, particularly in the processes of molten iron smelting, molten iron inoculation treatment and molten iron pouring of cast iron, various process controls reach castings with different performances, and the generated cost is also different. The traditional instantaneous inoculation process is to use 75# ferrosilicon inoculant crushed into small particles or rare earth calcium barium inoculant and other materials to perform instantaneous inoculation on poured molten iron. Copper and tin are common metal raw materials for casting cast iron materials, and the copper and tin play an important role in cast iron and are generally added in smelting or when molten iron is poured into a pouring ladle, because the copper and tin metal materials are generally supplied in a plate shape and are relatively tough and soft, and the copper and tin metal has low melting point and relatively low hardness, cannot be hammered and crushed, and can only be added in a large block, so the copper and tin metal cannot be added along with the flow during pouring. However, the addition of the copper and tin metal blocks is too early, so that the crystal nucleus forming effect cannot be achieved, and the effects of fast advancing and pearlite refining of copper and tin cannot be fully utilized.

The invention provides a silicon-barium cast iron special inoculant which comprises the following raw materials: si: 10% -30%, Nd: 7% -10%, Cu: 5% -8%, Al: 1% -3%, Ba: 0.5% -2%, rare earth: 1% -3%, ferroferric oxide: 10% -20%, Cr: 3% -10%, V: 0.1% -0.5%, Mn: 0.1% -0.5%, Sc: 0.1% -0.5%, Ti: 0.5 to 3 percent.

The special inoculant for the silicon-barium cast iron comprises the following raw materials: si: 23% -27%, Nd: 8% -10%, Cu: 6% -7%, Al: 2% -2.5%, Ba: 1% -2%, rare earth: 1% -2%, ferroferric oxide: 13% -15%, Cr: 5% -7%, V: 0.3% -0.5%, Mn: 0.2% -0.5%, Sc: 0.3% -0.5%, Ti: 1.2 to 2 percent.

The rare earth comprises cerium and terbium, and Si, Ba, Ti, Cr, V, Nd, Al, Mn, Sc, Cu, ferroferric oxide and the rare earth are all in powder particle shape.

As shown in fig. 1-6, a special inoculant making device for silicon-barium cast iron comprises a pretreatment part 1, a smelting part 2, a casting part 3, a cooling bin 4, a conveying part 5, a cooling part 6, a crushing part 7 and a stirring part 8, wherein the stirring part 8 is arranged at the top of the pretreatment part 1, the stirring part 8 comprises a stirring motor 801, a stirring connector 802, a stirring rod 803, a plurality of stirring blades 804 and a stirring bin 805, the stirring bin 805 is arranged at the top of the pretreatment part 1, the stirring motor 801 is arranged at the top of the stirring bin 805, the stirring connector 802 is arranged at the bottom of the stirring motor 801, the stirring rod 803 is arranged at the bottom of the stirring connector 802, and the stirring blades 804 are detachably arranged at the bottom of the stirring rod 803. The stirring blade 804 is driven by the stirring motor 801 to rotate rapidly along with the stirring rod 803, and the stirring blade 804 is detachably connected with the stirring rod 803, so that the stirring blade 804 can be replaced at any time when worn or broken.

Pretreatment portion 1 includes feed opening 101, impel seat 102, a plurality of pushing ram 103, propulsion board 104 and preliminary treatment storehouse 105, and the top in preliminary treatment storehouse 105 is arranged in to feed opening 101, impels seat 102 to arrange in on the inner wall in preliminary treatment storehouse 105, a plurality of pushing ram 103 one end with impel seat 102 sliding connection, the other end and the propulsion board 104 of a plurality of pushing ram 103 are connected.

The pretreatment part 1 carries out pretreatment operation on the raw materials, then the pushing plate 104 is pushed by the pushing rod 103 to push the raw materials into the smelting part 2 for smelting operation, the smelting efficiency of the pretreated raw materials is higher in the smelting process, and the impurities are less.

The smelting part 2 is arranged at the rear end of the pretreatment part 1, the casting part 3 is arranged at the bottom of the smelting part 2, the casting part 3 comprises a casting disc 301, a plurality of casting cylinders 302, a plurality of fixing blocks 303, a first moving motor 304, a casting frame 305, a casting support plate 306, a plurality of casting sliders 307, a plurality of casting slide rails 308, a second moving motor 309 and a plurality of casting heads 310, the casting disc 301 is arranged at the top of the casting frame 305, the fixing blocks 303 are symmetrically arranged at two sides of the casting frame 305, the casting cylinders 302 are respectively clamped with the fixing blocks 303, the casting heads 310 are respectively arranged at the bottoms of the casting cylinders 302, the casting disc 301 is communicated with the casting cylinders 302, the casting support plate 306 is arranged at the bottom of the casting frame 305, the casting support plate 306 is in sliding connection with the casting frame 305, the casting sliders 307 are symmetrically arranged at the bottom of the casting support plate 306, the casting slide rails 308 are respectively in sliding connection with the casting sliders 307, the first moving motor 304 is disposed at one side of the casting frame 305, and the second moving motor 309 is disposed at one end of the casting slide 308.

Casting portion 3 sets up casting disc 301 and is used for connecing greatly to smelt the solution, flows into a plurality of casting barrel 302 in, carries out a plurality of stations through a plurality of casting heads 310 and casts, has improved casting efficiency and casting quality, and first mobile motor 304 drives casting frame 305 and is lateral motion, and second mobile motor 309 drives casting extension board 306 and carries out longitudinal motion, realizes that casting portion 3 carries out both-way movement, carries out quick casting.

The bottom of casting portion 3 is arranged in to cooling bin 4, cooling bin 4 is arranged in to transfer portion 5, transfer portion 5 includes a plurality of bearing roller seats 501, a plurality of bearing rollers 502, conveyer belt 503 and conveying baffle 504, bearing roller seat 501 both sides are arranged in to a plurality of bearing rollers 502 symmetry, conveyer belt 503 is connected with a plurality of bearing roller 502 transmission, conveyer belt 503 is arranged in to a plurality of conveying baffle 504 interval equipartitions, cooling portion 6 includes trunk 601, a plurality of branch pipe 602 and a plurality of nozzle 603, trunk 601 both sides are arranged in to a plurality of branch pipe 602 symmetry, a plurality of branch pipe 602 and trunk 601 intercommunication, branch pipe 602 is arranged in to a plurality of nozzle 603 interval equipartitions, be equipped with atomizing liquid nitrogen in the trunk 601.

The carrier rollers 502 drive the conveyor belt 503 to move, molds on the conveyor belt 503 are conveyed, the auxiliary casting portion 3 carries out rapid casting, liquid nitrogen in the main pipeline 601 is discharged through the nozzles 603, and casting blocks are rapidly cooled.

The crushing section 7 is disposed at the rear end of the conveying section 5, and the cooling section 6 is disposed at both sides of the conveying section 5. The crushing portion 7 comprises a crushing base 701, a power block 702, a plurality of bearings with seats 703, a crushing shaft 704, a crushing bin 705, a plurality of crushing lining plates 706 and a plurality of crushing blades 707, the crushing bin 705 is arranged at the top of the crushing base 701, the plurality of bearings with seats 703 are symmetrically arranged at two sides of the crushing bin 705, two ends of the crushing shaft 704 are respectively rotatably connected with the plurality of bearings with seats 703, the middle of the crushing shaft 704 is provided with the crushing blades 707 uniformly distributed at a plurality of intervals, the crushing blades 707 are arranged at the middle of the crushing bin 705, the crushing lining plates 706 uniformly distributed at a plurality of intervals are arranged at two sides of the inner wall of the crushing bin 705, the plurality of crushing blades 707 are uniformly distributed at intervals with the plurality of crushing lining plates 706, and the power block 702 is arranged at one side of the crushing shaft 704.

The crushing section 7 is provided with crushing blades 707 which are in clearance fit with the plurality of crushing liners 706 under the rotation of the crushing shaft 704 to crush inoculant blocks, and the crushing bin 705 provides a crushing environment and a supporting force for the crushing operation of the inoculant blocks.

The inoculant provided by the invention comprises a pretreatment part 1, a smelting part 2, a casting part 3, a cooling bin 4, a conveying part 5, a cooling part 6, a crushing part 7 and a stirring part 8, wherein the stirring part 8 is used for mixing and stirring raw materials, the pretreatment part 1 is used for pretreating and processing the raw materials, so that the subsequent smelting and processing are facilitated, the smelting temperature is 1000-1050 ℃, the working efficiency and the processing quality are improved, the smelting part 2 is used for melting and mixing the raw materials, the casting part 3 is used for multi-station casting, the casting is carried out in the cooling bin 4 for rapid cooling, the conveying part 5 is used for conveying the raw materials to the crushing part 7, and the crushing treatment of the materials is carried out, so that the granular inoculant is finally obtained.

The invention also discloses a using method of the special silicon-barium cast iron inoculant, which comprises the following steps:

s1, stirring and smelting raw materials: granular raw materials of Ba, Ti, Cr, V, Nd, Al, Mn, Sc, Cu and ferroferric oxide are put into a stirring part 8 for mixing and stirring, then are put into a pretreatment bin 105 for pretreatment operation, then a pushing rod 103 pushes a pushing plate 104 to push the raw materials into a smelting part 2 for smelting operation, and after the raw materials are molten, rare earth and Si raw materials are added for further smelting;

s2, multi-position casting: the melted solution is poured into the casting tray 301 from the bottom of the melting part 2, and the solution flows into the casting cylinder 302 from the casting tray 301 and is cast through the casting head 310;

s3, cooling and conveying: the casting head 310 casts the solution in a mold on the transfer part 5, and the cooling parts 6 disposed at both sides of the transfer part 5 rapidly cool the cast ingot by liquid nitrogen;

s4, forming and crushing: the inoculant after cooling molding is taken out of the mold and put into the crushing section 7 to be crushed by the plurality of crushing blades 707.

The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.