Molten iron silicon increasing machine capable of achieving uniform discharging

Abstract

The utility model belongs to the technical field of molten iron silicon increasing machines, and particularly relates to a uniform-blanking molten iron silicon increasing machine which comprises a machine body, a feed port and a discharge port, the feed port is formed in the top of the machine body, the discharge port and a supporting frame are connected to the bottom of the machine body, a supporting bottom plate is installed at the bottom of the supporting frame, and a control box and a bidirectional servo motor are installed in the machine body. The output ends of the two sides of the bidirectional servo motor are connected with a stirring rod and a discharging auger through couplings correspondingly, and the stirring rod is located below the discharging auger. According to the utility model, uniform conveying and impact crushing of silicon raw materials are realized, so that the silicon raw materials uniformly enter the machine body in a loose state, the mixing efficiency of the silicon raw materials is improved, and the product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hot metal silicon increasing machine technical field, specifically is a kind of even discharging hot metal silicon increasing machine. BACKGROUND

[0002] Hot metal silicon increasing is to add ferrosilicon to hot metal, so that its silicon content reaches predetermined value, a kind of hot metal pretreatment process, mainly used to increase the silicon content of low-silicon hot metal smelted by blast furnace to become cast pig iron.Hot metal silicon increasing technology can solve the trouble of changing iron species in blast furnace production, avoid the yield loss and coke ratio increase caused thereby, silicon plays an important role in hot metal, it can adjust the flow performance of hot metal, improve the stability and purity of hot metal, promote the combination of hot metal and casting parts and improve the mechanical properties of hot metal.

[0003] The existing hot metal silicon increasing machine is composed of cylinder wall, inlet, stirring assembly, support frame and discharge pipe, the inlet for feeding is installed on one side of the cylinder wall, the stirring assembly for mixing is installed inside the cylinder wall, and the stirred product flows out through the discharge pipe of the support frame.In order to make the silicon raw material fully mixed with hot metal, the addition amount and addition time of silicon raw material need to be strictly controlled.But the existing hot metal silicon increasing machine does not have a structure for uniformly discharging silicon raw material, which affects the mixing efficiency and thus affects the product quality. SUMMARY

[0004] The utility model aims at providing a kind of even discharging hot metal silicon increasing machine to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of even discharging hot metal silicon increasing machine, including machine body, feed inlet and discharge port,

[0006] The top of the machine body is provided with a feed inlet, the bottom of the machine body is connected with a discharge port and a support frame, the bottom of the support frame is provided with a support base plate, the inside of the machine body is provided with a control box and a bidirectional servo motor, the output ends of the two sides of the bidirectional servo motor are respectively connected with a stirring rod and a discharging auger through a shaft coupling, and the stirring rod is located below the discharging auger.

[0007] Preferably, the top of the machine body is provided with a discharging box, the inside of the discharging box is provided with a metering valve, the lower side of the metering valve is provided with a discharging buffer layer, and the top of the discharging auger is rotatably connected with the discharging box through a bearing seat.

[0008] Preferably, the bottom of the discharging auger is provided with a beating plate at equal intervals, and the outer side of the beating plate is provided with a striking wall.

[0009] Preferably, the upper side of the stirring rod is provided with a guide disc, and the bottom of the guide disc is connected with a stirring rod through a connecting rod.

[0010] Preferably, one end of the stirring branch rod is connected with the stirring rod, and the other end of the stirring branch rod is connected with the first scraper.

[0011] Preferably, the bottom of the stirring rod is connected with the second scraper, the top of the second scraper is connected with the auxiliary support rod, and the auxiliary support rod is arranged in an arc shape.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] 1. When the present application is used, the bidirectional servo motor is started, the output shaft drives the discharging auger and the beating plate to rotate, the silicon raw material is uniformly stirred under the guidance of the discharging auger and then is sent to the beating plate, the silicon raw material contacts the beating plate, the beating plate beats the silicon raw material to the impact wall, the silicon raw material is broken by the impact with the impact wall, the silicon raw material that is directly sent into the inside of the machine body is avoided, the silicon raw material after being impacted enters the inside of the machine body along the impact wall and is stirred and mixed under the action of the stirring rod.

[0014] 2. When the present application is used, the silicon raw material flows down along the impact wall and then enters the upper side of the guide disc, under the guidance of the guide disc, the silicon raw material contacts the molten iron in the middle part first, at the same time, under the action of the connecting rod, the stirring branch rod and the auxiliary support rod, the silicon raw material is uniformly scattered to the outside and contacts and mixes with the remaining molten iron, at the same time, the stirring branch rod and the auxiliary support rod drive the first scraper and the second scraper to scrape the silicon raw material attached to the inner wall of the machine body, and the mixing efficiency of the silicon raw material is further improved, thereby improving the product quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0016] Figure 1 It is a front view cross-sectional structure schematic view of the molten iron silicon increasing machine.

[0017] Figure 2 It is a front view cross-sectional structure schematic view of the molten iron silicon increasing machine.

[0018] Figure 3 It is a top view structure schematic view of the guide disc.

[0019] In the figure: 1. Machine body; 101. Support frame; 102. Support bottom plate; 103. Control box; 2. Feed inlet; 3. Discharge outlet; 4. Bidirectional servo motor; 401. Stirring rod; 5. Discharge box; 501. Metering valve; 502. Discharge buffer layer; 503. Discharge auger; 504. Beating plate; 505. Impact wall; 6. Guide plate; 601. Connecting support rod; 602. Stirring support rod; 603. First scraper; 604. Second scraper; 605. Auxiliary support rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1 and Figure 2 The utility model provides a technical solution: a molten iron silicon increasing machine with uniform feeding, comprising a machine body 1, a feeding port 2 and a discharging port 3.

[0022] A feed port 2 is provided at the top of the body 1, and a discharge port 3 and a support frame 101 are connected to the bottom of the body 1. A support base plate 102 is installed at the bottom of the support frame 101. A control box 103 and a bidirectional servo motor 4 are installed inside the body 1. The output ends on both sides of the bidirectional servo motor 4 are respectively connected to a stirring rod 401 and a discharge auger 503 through couplings, and the stirring rod 401 is located below the discharge auger 503. A discharge box 5 is installed on the top of the body 1, and a metering valve 501 is installed inside the discharge box 5. A discharge buffer layer 502 is provided on the lower side of the metering valve 501. The top of the discharge auger 503 is rotatably connected to the discharge box 5 through a bearing seat, and a flapping plate 504 is equidistantly installed at the bottom of the discharge auger 503, and an impact wall 505 is provided on the outside of the flapping plate 504.

[0023] During specific implementation, when the discharge box 5 puts silicon raw materials into the metering valve 501, the raw materials measured by the metering valve 501 will contact the discharge auger 503 at the discharge buffer layer 502, and the bidirectional servo motor 4 will be started to drive the discharge auger 503 and the flapping plate 504 to rotate through the output shaft. The silicon raw materials are evenly stirred under the guidance of the discharge auger 503 and then sent to the flapping plate 504, where they come into contact with the flapping plate 504. The flapping plate 504 flaps the silicon raw materials toward the impact wall 505, causing the silicon raw materials to collide with the impact wall 505 and break, thereby preventing the agglomerated silicon raw materials from directly entering the interior of the machine body 1.

[0024] The silicon raw material after being impacted enters the inside of the machine body 1 along the impact wall 505 and is stirred and mixed under the action of the stirring rod 401. The utility model can realize uniform conveying and impact breaking of the silicon raw material, so that the silicon raw material uniformly enters the inside of the machine body 1 in a loose state, and the mixing efficiency of the silicon raw material is improved.

[0025] Referring to Figure 1 And Figure 3 The upper side of the stirring rod 401 is provided with a guide disc 6, the bottom of the guide disc 6 is connected with a stirring support rod 602 through a connecting support rod 601, one end of the stirring support rod 602 is connected with the stirring rod 401, the other end of the stirring support rod 602 is connected with a first scraper 603, the connecting support rod 601 is arranged on both sides of the stirring support rod 602, the bottom of the stirring rod 401 is connected with a second scraper 604, the top of the second scraper 604 is connected with an auxiliary support rod 605, and the auxiliary support rod 605 is arranged in an arc shape.

[0026] In specific implementation, after the silicon raw material flows down along the impact wall 505, the silicon raw material enters the upper side of the guide disc 6 and is in contact with the middle molten iron under the guiding action of the guide disc 6, is uniformly dispersed to the outside under the action of the connecting support rod 601, the stirring support rod 602 and the auxiliary support rod 605, is in contact and mixed with the remaining molten iron, the first scraper 603 and the second scraper 604 are scraped down under the action of the stirring support rod 602 and the auxiliary support rod 605, and the arc-shaped arrangement of the auxiliary support rod 605 can improve the pressure distribution effect. The molten iron silicon increasing machine with uniform feeding is provided with the guide disc 6, the first scraper 603 and the second scraper 604, and the mixing efficiency of the silicon raw material is further improved, so that the product quality is improved.

[0027] In summary, in use, the silicon raw material is first fed through the feeding port 2, then the bidirectional servo motor 4 and the metering valve 501 are controlled and started through the control box 103, the raw material flowing out through the metering valve 501 is in contact with the feeding auger 503 through the feeding buffer layer 502, the bidirectional servo motor 4 works, the feeding auger 503 and the beating plate 504 are rotated through the output shaft, the silicon raw material is uniformly stirred under the guiding action of the feeding auger 503 and is sent to the beating plate 504, the silicon raw material is impacted and broken with the impact wall 505, is in contact with the middle molten iron under the guiding action of the guide disc 6, is uniformly dispersed to the outside under the action of the connecting support rod 601, the stirring support rod 602 and the auxiliary support rod 605, and is in contact and mixed with the remaining molten iron, and the mixed molten iron flows out through the discharge port 3. The contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0028] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A molten iron silicon increasing machine with uniform feeding, comprising a machine body (1), a feed port (2) and a discharge port (3), characterized in that: The top of the machine body (1) is provided with a feed port (2), the bottom of the machine body (1) is connected to a discharge port (3) and a support frame (101), the bottom of the support frame (101) is installed with a support base plate (102), a control box (103) and a bidirectional servo motor (4) are installed inside the machine body (1), the output ends on both sides of the bidirectional servo motor (4) are respectively connected to a stirring rod (401) and a feeding auger (503) through couplings, and the stirring rod (401) is located below the feeding auger (503).

2. The molten iron silicon increasing machine with uniform feeding according to claim 1, characterized in that: A discharge box (5) is installed on the top of the machine body (1), a metering valve (501) is installed inside the discharge box (5), a discharge buffer layer (502) is provided on the lower side of the metering valve (501), and the top of the discharge auger (503) is rotatably connected to the discharge box (5) through a bearing seat.

3. The molten iron silicon increasing machine with uniform feeding according to claim 2, characterized in that: The bottom of the unloading auger (503) is equidistantly provided with a beating plate (504), and an impact wall (505) is provided on the outside of the beating plate (504).

4. The molten iron silicon increasing machine with uniform feeding according to claim 1, characterized in that: A guide plate (6) is provided on the upper side of the stirring rod (401), and the bottom of the guide plate (6) is connected to the stirring rod (602) via a connecting rod (601).

5. The molten iron silicon increasing machine with uniform feeding according to claim 4, characterized in that: One end of the stirring support rod (602) is connected to the stirring rod (401), and the other end of the stirring support rod (602) is connected to the first scraper (603). The connecting support rod (601) is provided on both sides of the stirring support rod (602).

6. The molten iron silicon increasing machine with uniform feeding according to claim 5, characterized in that: The bottom of the stirring rod (401) is connected to a second scraper (604), and the top of the second scraper (604) is connected to an auxiliary support rod (605), and the auxiliary support rod (605) is arranged in an arc shape.

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