Blast furnace ignition equipment capable of preheating in advance

Abstract

The utility model relates to the technical field of blast furnace smelting, and discloses a blast furnace ignition device capable of preheating in advance, which comprises a furnace body, the upper part of the right side of the furnace body is communicated and connected with an air supply frame, the right side of the air supply frame is fixedly provided with an induced draft fan, and the air supply end of the induced draft fan is communicated with the inside of the air supply frame; by arranging the air supply heating mechanism and the dispersing mechanism, a temperature controller controls a heating plate to heat the heating plate to the temperature required by the interior of the furnace body, and through cooperation of a first motor, a connecting shaft, a second conical tooth, a first conical tooth and a stirring rod, the heating plate is heated to the temperature required by the interior of the furnace body, so that the heating plate is heated to the temperature required by the interior of the furnace body; by means of the structure, air introduced by the induced draft fan can be rapidly stirred and heated to meet the combustion requirement of the furnace body, then through cooperation of the first rotating wheel, the belt, the second rotating wheel and the dispersion rod, the air conveyed to the furnace body can be rapidly dispersed, and fuel in the furnace body can be better combusted conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of blast furnace smelting, in particular to blast furnace ignition equipment which can be preheated in advance. Background Art

[0002] Blast furnace gas is a byproduct of the ironmaking process. Its main components are CO, CO2, N2, H2, CH4, etc. It is also a low calorific value gas fuel. Blast furnace gas with low calorific value is not easy to burn, and a special igniter is required for ignition when burning.

[0003] The existing blast furnace ignition equipment cannot adjust the air supply speed, and thus cannot achieve the best ignition effect. It is also inconvenient to control the air supply temperature, so that it cannot meet the combustion requirements of the blast furnace. Therefore, technical personnel in this field provide a blast furnace ignition equipment that can be preheated in advance to solve the problems raised in the above background technology. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a blast furnace ignition device that can be preheated in advance, has the advantages of adjustable air volume and temperature, and solves the above-mentioned technical problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a blast furnace ignition device that can be preheated in advance, comprising a furnace body, an air supply frame is connected through the upper right side of the furnace body, an induced draft fan is fixedly installed on the right side of the air supply frame, the air supply end of the induced draft fan is connected to the inside of the air supply frame, an air supply heating mechanism is arranged on the right side of the air supply frame, an air volume adjustment mechanism is arranged on the left side of the air supply frame, a dispersion mechanism is arranged on the upper part of the furnace body, and an igniter is arranged on the bottom end of the furnace body;

[0008] The air supply heating mechanism includes: a circular plate is provided in the middle of the interior of the air supply frame, the upper and lower ends of the circular plate are fixedly connected to the interior of the air supply frame through pillars, the right side wall of the circular plate is rotatably connected to a shaft column through a bearing, the outside of the shaft column is fixedly connected to a first conical tooth on the left side, a group of stirring rods are fixedly connected to the outer surface of the shaft column and on the right side away from the first conical tooth, a first motor is fixedly provided on the top of the air supply frame, the output end of the first motor is fixedly connected to a connecting shaft, one end of the connecting shaft passes through the interior of the air supply frame and is fixedly connected to a second conical tooth, heating plates are fixedly provided on the front and rear end walls on the right side of the interior of the air supply frame, and a thermostat is fixedly provided at the rear end of the air supply frame.

[0009] As a preferred technical solution of the present utility model, the first conical teeth and the second conical teeth are meshedly connected.

[0010] As a preferred technical solution of the present utility model, the temperature controller is electrically connected to the heating plate.

[0011] As the preferred technical scheme of the utility model, the air volume adjustment mechanism includes: a wind shield is rotatably connected to the upper right side of the interior of the air supply frame via a bearing, two fixed blocks are fixedly connected to the inner top of the air supply frame and away from the right side of the wind shield, a screw is rotatably connected between the two fixed blocks via a bearing, a second motor is fixedly arranged on the fixed block on the right side, the output end of the second motor is fixedly connected to the screw, a moving block is threadedly connected to the outer surface of the screw, a connecting block is fixedly connected to the top of the moving block, a sliding block is fixedly connected to the top of the connecting block, a sliding groove is provided at the inner top of the air supply frame and between the two fixed blocks, a rotating column is hinged at the bottom end of the moving block, and one end of the rotating column is hinged to the right side of the wind shield.

[0012] As a preferred technical solution of the present invention, a sliding connection is formed between the slider and the interior of the slide groove.

[0013] As a preferred technical solution of the present utility model, the dispersion mechanism includes: an L-shaped plate is fixedly connected to the top of the furnace body, the bottom end of the L-shaped plate is rotatably connected to a rotating shaft through a bearing, one end of the rotating shaft passes through the interior of the furnace body and a group of dispersion rods are fixedly connected to its outer surface, a first rotating wheel is fixedly connected above the outer surface of the connecting shaft, a second rotating wheel is fixedly connected above the outer surface of the rotating shaft, and the first rotating wheel and the second rotating wheel are connected to each other through a belt to form a transmission connection.

[0014] As a preferred technical solution of the utility model, a group of dispersion rods are arranged at equal distances.

[0015] Compared with the prior art, the utility model provides a blast furnace ignition device that can be preheated in advance, which has the following beneficial effects:

[0016] 1. The utility model sets an air supply heating mechanism and a dispersion mechanism. The temperature controller controls the heating plate to heat it to the required temperature inside the furnace body. Through the cooperation among the first motor, the connecting shaft, the second conical teeth, the first conical teeth and the stirring rod, the wind introduced by the induced draft fan can be quickly stirred and heated to meet the combustion requirements of the furnace body. Afterwards, through the cooperation among the first wheel, the belt, the second wheel and the dispersion rod, the wind delivered to the furnace body can be quickly dispersed, which is convenient for better combustion of the fuel inside the furnace body.

[0017] 2. The utility model is provided with an air volume adjustment mechanism. When in use, through the cooperation between the wind shield, the fixed block, the screw, the second motor, the moving block, the connecting block, the slider, the slide groove and the rotating column, the air supply speed can be reasonably adjusted according to the situation and needs of the furnace body to achieve the best ignition effect and facilitate better combustion of the fuel inside the furnace body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the connection between the rotating shaft and the dispersion rod of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the connection between the shaft column and the stirring rod of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the connection between the slider and the slide groove of the utility model.

[0022] Wherein: 1. furnace body; 2. air supply frame; 3. induced draft fan; 4. air supply heating mechanism; 401. round plate; 402. pillar; 403. shaft column; 404. first conical tooth; 405. stirring rod; 406. first motor; 407. connecting shaft; 408. second conical tooth; 409. heating plate; 410. temperature controller; 5. air volume adjustment mechanism; 501. wind shield; 502. fixed block; 503. screw rod; 504. second motor; 505. moving block; 506. connecting block; 507. slider; 508. slide groove; 509. rotating column; 6. dispersion mechanism; 601. L-shaped plate; 602. rotating shaft; 603. dispersion rod; 604. first rotating wheel; 605. second rotating wheel; 606. belt. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1-Figure 4 A blast furnace ignition device that can be preheated in advance includes a furnace body 1, an air supply frame 2 is connected through the upper right side of the furnace body 1, an induced draft fan 3 is fixedly installed on the right side of the air supply frame 2, the air supply end of the induced draft fan 3 is connected to the inside of the air supply frame 2, an air supply heating mechanism 4 is arranged on the right side of the air supply frame 2, an air volume adjustment mechanism 5 is arranged on the left side of the air supply frame 2, a dispersion mechanism 6 is arranged on the upper part of the furnace body 1, and an igniter is arranged at the bottom end of the furnace body 1.

[0027] The air supply heating mechanism 4 includes: a circular plate 401 is arranged in the middle of the interior of the air supply frame 2, the upper and lower ends of the circular plate 401 are fixedly connected to the interior of the air supply frame 2 through a support 402, the right side wall of the circular plate 401 is rotatably connected to a shaft column 403 through a bearing, the outer left side of the shaft column 403 is fixedly connected to a first conical tooth 404, and the outer surface of the shaft column 403 and the right side away from the first conical tooth 404 are fixedly connected to a group of stirring rods 405, a first motor 406 is fixedly arranged above the air supply frame 2, the output end of the first motor 406 is fixedly connected to a connecting shaft 407, one end of the connecting shaft 407 passes through the interior of the air supply frame 2 and is fixedly connected to a second conical tooth 408, heating plates 409 are fixedly arranged on the front and rear end walls on the right side of the interior of the air supply frame 2, and a thermostat 410 is fixedly arranged at the rear end of the air supply frame 2.

[0028] The first conical teeth 404 and the second conical teeth 408 are meshedly connected.

[0029] The temperature controller 410 is electrically connected to the heating plate 409 .

[0030] Furthermore, the temperature controller 410 controls the heating plate 409 to heat it to the required temperature inside the furnace body 1, and at the same time starts the first motor 406 to drive the connecting shaft 407 to rotate, and its second conical teeth 408 drive the first conical teeth 404 to rotate, thereby rotating a group of stirring rods 405, and the induced draft fan 3 introduces air into the interior of the air supply frame 2, and quickly stirs and heats the introduced air to meet the combustion requirements of the furnace body 1.

[0031] The air volume regulating mechanism 5 includes: a windshield 501 is rotatably connected to the upper right side of the inner part of the air supply frame 2 through a bearing, two fixed blocks 502 are fixedly connected to the right side of the inner top of the air supply frame 2 and away from the windshield 501, a screw rod 503 is rotatably connected between the two fixed blocks 502 through a bearing, a second motor 504 is fixedly arranged on the right fixed block 502, an output end of the second motor 504 is fixedly connected to the screw rod 503, a moving block 505 is threadedly connected to the outer surface of the screw rod 503, a connecting block 506 is fixedly connected to the top of the moving block 505, a sliding block 507 is fixedly connected to the top of the connecting block 506, a sliding groove 508 is provided at the inner top of the air supply frame 2 and between the two fixed blocks 502, a rotating column 509 is hinged at the bottom end of the moving block 505, and one end of the rotating column 509 is hinged to the right side of the windshield 501.

[0032] The slider 507 and the inside of the slide groove 508 form a sliding connection.

[0033] Furthermore, the second motor 504 is started to drive the screw rod 503 to rotate forward and reverse, and its moving block 505 moves left and right outside the screw rod 503. At the same time, the slider 507 slides inside the slide groove 508, and the rotating column 509 rotates, so that the wind shield 501 is adjusted to a suitable angle. According to the situation and needs of the furnace body 1, the air supply speed is reasonably adjusted to achieve the best ignition effect.

[0034] The dispersion mechanism 6 includes: an L-shaped plate 601 is fixedly connected to the top of the furnace body 1, and the bottom end of the L-shaped plate 601 is rotatably connected to a rotating shaft 602 through a bearing, one end of the rotating shaft 602 passes through the interior of the furnace body 1 and a group of dispersion rods 603 are fixedly connected to its outer surface, a first rotating wheel 604 is fixedly connected above the outer surface of the connecting shaft 407, and a second rotating wheel 605 is fixedly connected above the outer surface of the rotating shaft 602, and a belt 606 is used to form a transmission connection between the first rotating wheel 604 and the second rotating wheel 605.

[0035] A group of dispersion rods 603 are arranged at equal distances from each other.

[0036] Furthermore, when the shaft 602 rotates, its first wheel 604 rotates accordingly, and through the transmission of the belt 606, its second wheel 605 rotates, which can rotate a group of dispersion rods 603, and can quickly disperse the wind delivered to the furnace body 1, so as to facilitate better combustion of the fuel inside the furnace body 1.

[0037] Working principle: When in use, the temperature controller 410 controls the heating plate 409 to heat it to the required temperature inside the furnace body 1, and at the same time, the first motor 406 is started to drive the connecting shaft 407 to rotate, and its second conical teeth 408 then drive the first conical teeth 404 to rotate, thereby rotating a group of stirring rods 405, and the induced draft fan 3 introduces air into the air supply frame 2, and quickly stirs and heats the introduced air to meet the combustion requirements of the furnace body 1, and the second motor 504 is started to drive the screw rod 503 to rotate forward and reverse, and its moving block 505 then moves in the screw rod 503. The outside moves left and right, and at the same time, the slider 507 slides inside the slide groove 508, and the rotating column 509 rotates, so that the wind shield 501 is adjusted to a suitable angle. According to the situation and needs of the furnace body 1, the air supply speed is reasonably adjusted to achieve the best ignition effect. When the rotating shaft 602 rotates, its first rotating wheel 604 rotates accordingly, and through the transmission of the belt 606, its second rotating wheel 605 rotates, which can make a group of dispersion rods 603 rotate, and the wind delivered to the furnace body 1 can be quickly dispersed, which is convenient for better combustion of the fuel inside the furnace body 1.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blast furnace ignition device capable of preheating in advance, comprising a furnace body (1), characterized in that: An air supply frame (2) is connected through the upper right side of the furnace body (1), an induced draft fan (3) is fixedly installed on the right side of the air supply frame (2), an air supply end of the induced draft fan (3) is connected to the inside of the air supply frame (2), an air supply heating mechanism (4) is arranged on the right side of the inside of the air supply frame (2), an air volume adjustment mechanism (5) is arranged on the left side of the inside of the air supply frame (2), a dispersion mechanism (6) is arranged on the upper part of the inside of the furnace body (1), and an igniter is arranged at the bottom end of the inside of the furnace body (1); The air supply heating mechanism (4) comprises: a circular plate (401) is arranged in the middle of the air supply frame (2); the upper and lower ends of the circular plate (401) are fixedly connected to the inside of the air supply frame (2) via a support (402); the right side wall of the circular plate (401) is rotatably connected to a shaft column (403) via a bearing; the outside of the shaft column (403) is fixedly connected to a first conical tooth (404) on the left side; the outer surface of the shaft column (403) is fixedly connected to the right side away from the first conical tooth (404); A group of stirring rods (405) are connected, a first motor (406) is fixedly arranged above the air supply frame (2), an output end of the first motor (406) is fixedly connected to a connecting shaft (407), one end of the connecting shaft (407) passes through the interior of the air supply frame (2) and is fixedly connected to a second conical tooth (408), heating plates (409) are fixedly arranged on the front and rear end walls on the right side of the interior of the air supply frame (2), and a temperature controller (410) is fixedly arranged at the rear end of the air supply frame (2).

2. The blast furnace ignition equipment capable of preheating in advance according to claim 1, characterized in that: The first conical teeth (404) and the second conical teeth (408) are meshingly connected.

3. The blast furnace ignition equipment capable of preheating in advance according to claim 1, characterized in that: The temperature controller (410) is electrically connected to the heating plate (409).

4. The blast furnace ignition equipment capable of preheating in advance according to claim 1, characterized in that: The air volume adjustment mechanism (5) comprises: a windshield (501) is rotatably connected to the upper right side of the interior of the air supply frame (2) via a bearing; two fixed blocks (502) are fixedly connected to the top of the interior of the air supply frame (2) and away from the right side of the windshield (501); a screw rod (503) is rotatably connected between the two fixed blocks (502) via a bearing; a second motor (504) is fixedly arranged on the right side of the fixed block (502); an output end of the second motor (504) is fixedly connected to the screw rod (503) The screw rod (503) is fixedly connected to a movable block (505) through a thread on its outer surface, the top of the movable block (505) is fixedly connected to a connecting block (506), the top of the connecting block (506) is fixedly connected to a sliding block (507), a sliding groove (508) is provided at the inner top of the air supply frame (2) and is located between the two fixed blocks (502), the bottom end of the movable block (505) is hinged with a rotating column (509), and one end of the rotating column (509) is hinged to the right side of the wind shield (501).

5. The blast furnace ignition equipment capable of preheating in advance according to claim 4, characterized in that: The sliding block (507) is in sliding connection with the interior of the sliding groove (508).

6. The blast furnace ignition equipment capable of preheating in advance according to claim 1, characterized in that: The dispersion mechanism (6) comprises: an L-shaped plate (601) is fixedly connected to the top of the furnace body (1); the bottom end of the L-shaped plate (601) is rotatably connected to a rotating shaft (602) via a bearing; one end of the rotating shaft (602) passes through the interior of the furnace body (1); a group of dispersion rods (603) is fixedly connected to its outer surface; a first rotating wheel (604) is fixedly connected above the outer surface of the connecting shaft (407); a second rotating wheel (605) is fixedly connected above the outer surface of the rotating shaft (602); and a belt (606) is used to form a transmission connection between the first rotating wheel (604) and the second rotating wheel (605).

7. The blast furnace ignition equipment capable of preheating in advance according to claim 6, characterized in that: A group of dispersion rods (603) are arranged at equal distances from each other.

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