Calcining furnace for calcining petroleum coke

Abstract

The utility model relates to the technical field of calcining furnaces, and discloses a calcining furnace for calcining petroleum coke, which comprises a furnace body, the top of the furnace body is connected with a hopper, and an automatic blanking component is arranged in the hopper; a rotating rod is rotationally arranged in the furnace body, a stirring rod is connected to the outer side of the rotating rod, a rotating plate is rotationally connected to the middle of the stirring rod, and a heater is arranged on the inner wall of the furnace body; a spiral conveyor is arranged at the bottom of the furnace body, a heat preservation layer is arranged outside the spiral conveyor and communicates with the furnace body, the automatic discharging assembly comprises a supporting plate rotationally connected with the inner wall of the hopper, a telescopic rod is arranged below the supporting plate, and a first circulating air pipe and a second circulating air pipe are connected between the heat preservation layer and the furnace body; and the first circulating air pipe is connected with an induced draft fan. Petroleum coke blanking is automatically controlled, excessive petroleum coke is prevented from being added into the furnace at a time, and the burden of equipment is relieved; cooling in the spiral conveyor is prevented, and the material blocking problem is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of calcining furnaces, in particular to a calcining furnace used for calcining petroleum coke. Background Art

[0002] Petroleum coke is a black or dark grey hard solid petroleum product with metallic luster and porosity. It is a carbonaceous substance composed of tiny graphite crystals in granular, columnar or needle-shaped forms. In order to make the graphite electrode for steelmaking or the anode paste for aluminum and magnesium production, the raw coke must be calcined to meet the requirements.

[0003] The existing petroleum coke calcining furnace lacks quantitative feeding components, and cannot control the amount of petroleum coke inside the calcining furnace. It is also limited by the calcining equipment, which can easily cause difficulties in discharging and inconvenience in taking out materials after calcination.

[0004] Therefore, those skilled in the art are in urgent need of developing a calcining furnace for calcining petroleum coke. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a calcining furnace for calcining petroleum coke.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a calcining furnace for calcining petroleum coke, comprising a furnace body, the top of the furnace body is connected to a hopper, and an automatic unloading assembly is arranged inside the hopper; a rotating rod is rotatably arranged inside the furnace body, a stirring rod is connected to the outer side of the rotating rod, a rotating plate is rotatably connected to the middle part of the stirring rod, and a heater is arranged on the inner wall of the furnace body; a screw conveyor is arranged at the bottom of the furnace body, and an insulation layer is arranged outside the screw conveyor, and the insulation layer is communicated with the furnace body.

[0007] Preferably, the automatic unloading assembly includes a support plate rotatably connected to the inner wall of the hopper, a telescopic rod is provided below the support plate, one end of the telescopic rod is rotatably connected to the inner wall of the hopper, and the other end of the telescopic rod is rotatably connected to the support plate.

[0008] Preferably, there are two support plates, and the two support plates are symmetrically distributed in the hopper, adjacent sides of the two support plates are connected with sealing pads, both ends of the telescopic rod are connected with hinges, and the side of the two support plates close to the inner wall of the hopper is also connected with a hinge.

[0009] Preferably, one end of the rotating rod extends out of the furnace body and is connected to the first motor, the first motor is connected to the outer wall of the furnace body, the internal rotation of the screw conveyor is connected to a screw rod, one end of the screw rod extends out of the screw conveyor and is connected to the second motor, the second motor is connected to the outer wall of the screw conveyor, and the bottom of the screw conveyor is connected to a discharge pipe.

[0010] Preferably, a first circulating air pipe and a second circulating air pipe are connected between the thermal insulation layer and the furnace body, and an induced draft fan is connected to the first circulating air pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, the support plate is driven to rotate by the telescopic rod, so as to control the opening and closing of the two support plates, and then realize the automatic control of material discharge, so as to avoid too much addition inside the furnace at one time, causing equipment burden; the first motor drives the stirring rod to rotate through the rotating rod, so as to stir the petroleum coke, and the middle rotation of the stirring rod is connected with a rotating plate, which ensures full contact with the petroleum coke to ensure more sufficient calcination heating; the calcined petroleum coke is transported by a screw conveyor, and the insulation layer outside the screw conveyor contains hot air introduced by the induced draft fan, so as to ensure the body temperature of the screw conveyor, effectively prevent the internal temperature of the screw conveyor from dropping, thereby affecting the discharge of the petroleum coke, and reduce the problem of material blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a front structural sectional view of the utility model;

[0015] Figure 3 It is a front cross-sectional view of the hopper of the utility model.

[0016] In the figure: 1-furnace body; 101-first motor; 102-rotating rod; 103-stirring rod; 104-rotating plate; 105-heater; 2-hopper; 201-support plate; 202-telescopic rod; 203-sealing rubber pad; 3-screw conveyor; 301-second motor; 302-screw; 303-discharging pipe; 304-insulation layer; 4-first circulating air duct; 401-induced draft fan; 5-second circulating air duct. DETAILED DESCRIPTION

[0017] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.

[0018] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] See also Figure 1-Figure 3 The utility model provides an embodiment: a calcining furnace for calcining petroleum coke, comprising a furnace body 1, a hopper 2 is connected to the top of the furnace body 1, and an automatic unloading component is arranged inside the hopper 2; a rotating rod 102 is rotatably arranged inside the furnace body 1, a stirring rod 103 is connected to the outer side of the rotating rod 102, a rotating plate 104 is rotatably connected to the middle part of the stirring rod 103, and a heater 105 is arranged on the inner wall of the furnace body 1; a screw conveyor 3 is arranged at the bottom of the furnace body 1, a heat preservation layer 304 is arranged on the outside of the screw conveyor 3, and the heat preservation layer 304 is connected to the furnace body 1, a first motor 101 drives the stirring rod 103 to rotate through the rotating rod 102, so as to stir the petroleum coke, a rotating plate 104 is rotatably connected to the middle part of the stirring rod 103, and the rotating plate 104 ensures full contact with the petroleum coke, so as to ensure more sufficient calcination heating.

[0021] Furthermore, the automatic unloading assembly includes a support plate 201 rotatably connected to the inner wall of the hopper 2, a telescopic rod 202 is provided below the support plate 201, one end of the telescopic rod 202 is rotatably connected to the inner wall of the hopper 2, and the other end of the telescopic rod 202 is rotatably connected to the support plate 201.

[0022] Furthermore, there are two support plates 201, and the two support plates 201 are symmetrically distributed in the hopper 2. The adjacent sides of the two support plates 201 are connected with sealing pads 203, and both ends of the telescopic rod 202 are connected with hinges. The side of the two support plates 201 close to the inner wall of the hopper 2 is also connected with a hinge. The support plates 201 are driven to rotate by the telescopic rod 202, thereby controlling the opening and closing of the two support plates 201, and then realizing automatic control of material unloading. The sealing pad 203 ensures the sealing effect between the two support plates 201.

[0023] Furthermore, one end of the rotating rod 102 extends out of the furnace body 1 and is connected to the first motor 101, the first motor 101 is connected to the outer wall of the furnace body 1, the internal rotation of the screw conveyor 3 is connected to a screw rod 302, one end of the screw rod 302 extends out of the screw conveyor 3 and is connected to the second motor 301, the second motor 301 is connected to the outer wall of the screw conveyor 3, and the bottom of the screw conveyor 3 is connected to a discharge pipe 303, and the calcined petroleum coke is transported through the screw conveyor 3.

[0024] Furthermore, a first circulating air pipe 4 and a second circulating air pipe 5 are connected between the insulation layer 304 and the furnace body 1, and an induced draft fan 401 is connected to the first circulating air pipe 4. The insulation layer 304 outside the screw conveyor 3 contains hot air introduced by the induced draft fan 401, thereby ensuring the body temperature of the screw conveyor 3 and effectively preventing the internal temperature of the screw conveyor 3 from dropping, thereby affecting the discharge of petroleum coke. At the same time, the air flow circulation through the first circulating air pipe 4 and the second circulating air pipe 5 also ensures the stability of the air pressure inside the equipment.

[0025] Working principle of the utility model: when the utility model is in use, the staff puts the petroleum coke in the hopper 2, and drives the support plate 201 to rotate through the telescopic rod 202, so as to control the opening and closing of the two support plates 201, and then realize the automatic control of material discharge; the petroleum coke falls into the furnace body 1, and is heated by the heater 105, and the first motor 101 drives the stirring rod 103 to rotate through the rotating rod 102, so as to stir the petroleum coke, and the middle rotation of the stirring rod 103 is connected with the rotating plate 104, and the rotating plate 104 ensures full contact with the petroleum coke, so as to ensure more sufficient calcination heating; the calcined petroleum coke is transported by the screw conveyor 3, and the insulation layer 304 outside the screw conveyor 3 contains hot air introduced by the induced draft fan 401, so as to ensure the body temperature of the screw conveyor 3, and effectively prevent the internal temperature of the screw conveyor 3 from dropping, thereby affecting the discharge of the petroleum coke.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A calcining furnace for calcining petroleum coke, comprising a furnace body (1), characterized in that: The top of the furnace body (1) is connected to a hopper (2), and an automatic material discharge assembly is provided inside the hopper (2); A rotating rod (102) is rotatably arranged inside the furnace body (1), a stirring rod (103) is connected to the outside of the rotating rod (102), a rotating plate (104) is rotatably connected to the middle of the stirring rod (103), and a heater (105) is provided on the inner wall of the furnace body (1); A screw conveyor (3) is provided at the bottom of the furnace body (1), and a heat-insulating layer (304) is provided outside the screw conveyor (3), and the heat-insulating layer (304) is communicated with the furnace body (1).

2. A calcining furnace for calcining petroleum coke according to claim 1, characterized in that: The automatic unloading assembly comprises a support plate (201) rotatably connected to the inner wall of the hopper (2); a telescopic rod (202) is provided below the support plate (201); one end of the telescopic rod (202) is rotatably connected to the inner wall of the hopper (2); and the other end of the telescopic rod (202) is rotatably connected to the support plate (201).

3. A calcining furnace for calcining petroleum coke according to claim 2, characterized in that: The number of the support plates (201) is two, and the two support plates (201) are symmetrically distributed in the hopper (2), the adjacent sides of the two support plates (201) are connected to sealing rubber pads (203), both ends of the telescopic rod (202) are connected to hinges, and the sides of the two support plates (201) close to the inner wall of the hopper (2) are also connected to hinges.

4. A calcining furnace for calcining petroleum coke according to claim 1, characterized in that: One end of the rotating rod (102) extends out of the furnace body (1) and is connected to the first motor (101), the first motor (101) is connected to the outer wall of the furnace body (1), the inner part of the screw conveyor (3) is rotatably connected to a screw rod (302), one end of the screw rod (302) extends out of the screw conveyor (3) and is connected to the second motor (301), the second motor (301) is connected to the outer wall of the screw conveyor (3), and the bottom of the screw conveyor (3) is connected to a discharge pipe (303).

5. The calcining furnace for calcining petroleum coke according to claim 1, characterized in that: A first circulating air pipe (4) and a second circulating air pipe (5) are connected between the thermal insulation layer (304) and the furnace body (1); an induced draft fan (401) is connected to the first circulating air pipe (4).

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