Sintering device for preparing iron oxide red from iron ore concentrate powder
By introducing a split homogenizing barrel and a secondary mixing barrel into the iron concentrate powder sintering device, combined with the design of a conical grinding roller, the problems of particle material screening and crushing are solved, the sintering rate and finished product quality are improved, and the sintering rate and finished product quality are achieved. A more efficient sintering process is achieved.
Patent Information
- Application Number
- CN202420842791.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The existing iron concentrate powder sintering device fails to effectively screen the particulate materials during the heating process, which affects the sintering rate and finished product quality, especially the insufficient treatment of larger particulate raw materials.
A device including a sintering furnace, a split-split homogenizer barrel, a secondary mixing barrel and a conical grinding roller is designed to realize the screening and crushing of particulate materials through a split-split homogenizer filter and a spiral fan blade. And use conical grinding rollers to grind large-particle materials to improve the efficiency of the sintering process.
Through the arrangement of additional split-split homogenization barrels and secondary mixing barrels, the homogenization screening and crushing of the feed is realized, which improves the sintering rate and finished product quality, and facilitates the implementation of subsequent sintering processes.
Smart Images
Figure CN222143740U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of iron ore concentrate powder sintering, in particular to a device for preparing red iron sintering from iron ore concentrate powder. Background Art
[0002] The sintering machine heats the iron ore concentrate powder to combine the particles and form lumps of iron ore.
[0003] The sintering furnaces in the prior art are mostly used for sintering with supporting heating equipment. In the sintering machine, the material layer is heated by high-temperature airflow or flame. The iron ore and additives in the ore react at high temperature, so that the particles are combined and form blocks, but most of them do not have a uniform material screening structure. For some larger particle raw materials, the sintering rate may be affected, affecting the quality of the finished product. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a device for preparing iron red sintering by iron concentrate powder, which can screen and evenly distribute materials at a feed inlet and has screening and crushing functions, and is convenient to use.
[0005] In order to solve the above technical problems, the technical solution provided by the utility model is: a sintering device for preparing iron red from iron ore powder, comprising a sintering furnace, inlets are symmetrically arranged on both sides of the top of the sintering furnace, an exhaust pipe is arranged on one side of the top of the sintering furnace which is connected to the outside world, diversion and equalizing cylinders are connected to the inlets on the same side on both sides of the sintering furnace, a secondary mixing cylinder is connected between the sintering furnace and the diversion and equalizing cylinders on both sides, and a support leg and a discharge cylinder are connected to the bottom of the sintering furnace.
[0006] As an improvement, the diversion and equalizing barrel is arranged horizontally and the top side is connected to the inlet on the same side. The lower side wall of the diversion and equalizing barrel is provided with a material equalizing filter. The bottom end of the diversion and equalizing barrel is close to the secondary mixing barrel and is connected to it with a discharge channel.
[0007] As an improvement, a conical grinding roller is rotatably connected inside the secondary mixing barrel, a discharge port is provided at the bottom end of the secondary mixing barrel, the inner wall of the secondary mixing barrel matches the conical grinding roller, the adjacent distance gradually decreases from top to bottom, and a driving motor is connected to the middle of the top of the sintering furnace, a rotating rod is connected to the lower end of the driving motor, and the lower end of the rotating rod extends into the secondary mixing barrel and is connected to the top of the conical grinding roller.
[0008] As an improvement, a bevel gear 1 is sleeved on the rotating rod between the two diversion and equalizing barrels, a push rod is rotatably connected between the two side walls inside the two diversion and equalizing barrels, and the ends of the push rods on both sides are sleeved with bevel gear 2 which is meshed with bevel gear 1, and a spiral fan blade is sleeved on the push rod inside the diversion and equalizing barrel.
[0009] As an improvement, a plurality of crushing protrusions are evenly arranged on the outer side wall of the conical grinding roller.
[0010] The advantages of the utility model compared with the prior art are: in the present application, the additionally arranged diversion and equalizing cylinder can be used to equalize the feed in normal use, and at the same time, the granular material can be screened, and the secondary mixing cylinder in the present application can be used to grind large granular materials, which is convenient for the subsequent sintering process. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 The present invention is a structural schematic diagram of a sintering device for preparing red iron from iron concentrate powder.
[0012] Figure 2 The diagram is a partial structural diagram of the interior of a sintering device for preparing red iron from iron ore powder.
[0013] Figure 3 It is a schematic diagram of the structure of a conical grinding roller.
[0014] As shown in the figure: 1. Sintering furnace; 2. Inlet; 3. Exhaust pipe; 4. Diversion and equalizing cylinder; 5. Secondary mixing cylinder; 6. Equalizing filter; 7. Feeding channel; 8. Conical grinding roller; 9. Discharging port; 10. Driving motor; 11. Rotating rod; 12. Pushing rod; 13. Spiral fan blades; 14. Crushing protrusion. DETAILED DESCRIPTION
[0015] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, wherein the same parts are represented by the same reference numerals.
[0016] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.
[0017] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.
[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field to which the present invention belongs. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0019] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
[0020] Please refer to the attached Figure 1-3 A sintering device for preparing red iron from iron concentrate powder comprises a sintering furnace 1, inlets 2 are symmetrically arranged on both sides of the top of the sintering furnace 1, an exhaust pipe 3 is arranged on one side of the top of the sintering furnace 1 connected to the outside, and a support leg and a discharge cylinder are connected to the bottom of the sintering furnace 1.
[0021] In order to increase the material diversion effect, both sides of the sintering furnace 1 are connected to the inlet 2 on the same side with a diversion and equalizing cylinder 4, and a secondary mixing cylinder 5 is connected between the sintering furnace 1 and the diversion and equalizing cylinders 4 on both sides. A conical grinding roller 8 is rotatably connected in the secondary mixing cylinder 5, and a discharge port 9 is provided at the bottom end of the secondary mixing cylinder 5. The inner wall of the secondary mixing cylinder 5 is matched with the conical grinding roller 8, and the adjacent distance gradually decreases from top to bottom. A driving motor 10 is connected to the middle of the top of the sintering furnace 1, and a rotating rod 11 is connected to the lower end of the driving motor 10. The lower end of the rotating rod 11 extends into the secondary mixing cylinder 5 and is connected to the top of the conical grinding roller 8. A number of crushing protrusions 14 are evenly provided on the outer wall of the conical grinding roller 8, which are used for grinding through the conical grinding roller 8.
[0022] The diversion and equalizing barrel 4 is horizontally arranged and one side of the top is connected with the inlet 2 on the same side. The lower side wall of the diversion and equalizing barrel 4 is provided with a material equalizing filter 6. The bottom end of the diversion and equalizing barrel 4 is close to the secondary mixing barrel 5 and is connected with it. A material discharge channel 7 is provided to realize diversion and equalizing of materials through the material equalizing filter 6. At the same time, a push rod 12 is rotatably connected between the two side walls inside the diversion and equalizing barrel 4. A spiral fan blade 13 is sleeved on the push rod 12 located inside the diversion and equalizing barrel 4, and a bevel gear 2 meshing with a bevel gear 1 is sleeved on the ends of the push rods 12 on both sides. The spiral fan blade 13 is used to drive the material to move, thereby performing diversion and equalizing of materials.
[0023] During the specific implementation of the utility model, the raw materials are fed into the sintering furnace through the inlets on both sides, and the driving motor is started to rotate the rotating rod, thereby driving the conical grinding roller to rotate, and the push rod is driven to rotate by the cooperation of the bevel gear 1 and the bevel gear 2, thereby driving the raw materials to move through the spiral fan blades, and the material is divided and evenly distributed by the material sieving screen at the bottom, and the large particles flow into the secondary mixing barrel and pass through the conical grinding roller for grinding and crushing, and then fall into the sintering furnace for normal sintering. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0024] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.
[0025] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. A sintering device for preparing red iron from iron concentrate powder, comprising a sintering furnace (1), characterized in that: The top of the sintering furnace (1) is symmetrically provided with inlets (2), one side of the top of the sintering furnace (1) is connected to the outside world with an exhaust pipe (3), both sides of the sintering furnace (1) are connected to the inlet (2) on the same side with a flow distribution and material distribution cylinder (4), a secondary mixing cylinder (5) is connected between the sintering furnace (1) and the flow distribution and material distribution cylinder (4) on both sides, and the bottom of the sintering furnace (1) is connected with a support leg and a discharge cylinder.
2. The device for preparing red iron sintering from iron concentrate powder according to claim 1, characterized in that: The flow-dividing and material-distributing barrel (4) is arranged horizontally and one side of the top end is connected to the inlet (2) on the same side. The lower side wall of the flow-dividing and material-distributing barrel (4) is provided with a material-distributing filter (6). The bottom end of the flow-dividing and material-distributing barrel (4) is close to the secondary mixing barrel (5) and is connected to the secondary mixing barrel (5). A material discharge channel (7) is provided therein.
3. The device for preparing red iron sintering from iron ore concentrate powder according to claim 2, characterized in that: A conical grinding roller (8) is rotatably connected inside the secondary mixing barrel (5), a discharge port (9) is provided at the bottom end of the secondary mixing barrel (5), the inner wall of the secondary mixing barrel (5) is matched with the conical grinding roller (8), and the adjacent distance gradually decreases from top to bottom. A driving motor (10) is connected to the middle of the top of the sintering furnace (1), and a rotating rod (11) is connected to the lower end of the driving motor (10), and the lower end of the rotating rod (11) extends into the secondary mixing barrel (5) and is connected to the top of the conical grinding roller (8).
4. The device for preparing red iron sintering from iron ore concentrate powder according to claim 3, characterized in that: The rotating rod (11) is provided with a bevel gear 1 sleeved between the two flow-dividing and material-distributing barrels (4), and a push rod (12) is rotatably connected between the inner side walls of the two flow-dividing and material-distributing barrels (4). The ends of the push rods (12) on both sides are sleeved with bevel gear 2 meshing with bevel gear 1, and the push rod (12) is sleeved with a spiral blade (13) inside the flow-dividing and material-distributing barrel (4).
5. The device for preparing red iron sintering from iron ore concentrate powder according to claim 3, characterized in that: The outer side wall of the conical grinding roller (8) is evenly provided with a plurality of grinding protrusions (14).