Material leakage switch device of furnace top receiving hopper

Abstract

The utility model relates to the technical field of blast furnaces, in particular to a furnace top receiving hopper leakage switching device which comprises a receiving tank, a discharge port is formed in the outer wall of the receiving tank in a penetrating mode, a turning plate is arranged in the discharge port, and two fixing cylinders which are distributed front and back and located above the discharge port are fixedly connected to the outer wall of the receiving tank. When the material accumulation condition occurs in the material receiving tank, the main belt continues to convey the materials, so that the materials in the material receiving tank rise to the discharge port, then the materials enter the discharge port and extrude the turning plate to rotate, the distance between the turning plate and the mounting plate is reduced, and then the distance between the turning plate and the mounting plate is detected through the distance measuring sensor; and then the distance measuring sensor transmits information to an external control computer, and the main belt is controlled to stop running through the external control computer, so that feeding into the material receiving tank is stopped, and the normal production of the blast furnace is prevented from being influenced by faults of feeding equipment at the top of the furnace.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of blast furnace, concretely is a furnace top material receiving hopper material leakage switch device. BACKGROUND

[0002] The raw material passes through the path of the present furnace top feeding system: main belt, material receiving tank, feeding gate, upper sealing valve, weighing tank, material flow regulating valve, lower sealing valve, air-tight box and material distribution chute. The preset automatic program control hydraulic system drives the gate plates to act sequentially, and the furnace top feeding system is completed with loading, discharging and material distribution.

[0003] At present, in the furnace top feeding path of the blast furnace, when the blast furnace fails, the material receiving tank will accumulate material, and the main belt will continue to feed the material receiving tank without receiving the stop signal, which will cause the furnace top feeding equipment to fail and affect the normal production of the blast furnace. INVENTION CONTENTS

[0004] The utility model discloses a furnace top material receiving hopper material leakage switch device, which has the characteristics of controlling the main belt to stop running after the blast furnace fails, avoiding the failure of the furnace top feeding equipment and affecting the normal production of the blast furnace.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a furnace top material receiving hopper material leakage switch device, including material receiving tank, the outer wall of material receiving tank is opened in the through having the discharge port, the inside of discharge port is provided with the flap, the outer wall of material receiving tank is fixedly connected with two front and back distribution and located discharge port top's fixed cylinder, the right side wall upper end of flap is fixedly connected with two front and back distribution and located between two fixed cylinders L shape rod, two L shape rods opposite side wall all are fixedly connected with respectively extend to two fixed cylinder inside's rotating rod, two fixed cylinder and two rotating rod between movable joint.

[0006] The right side of the material receiving tank is provided with a mounting plate, the lower end surface of the mounting plate is flush with the inner lower end of the discharge port, a mounting hole is formed through the right side wall of the mounting plate, and a distance measuring sensor is detachably connected in the mounting hole through a fixing mechanism.

[0007] In order to receive the material discharged through the discharge port, as a furnace top material receiving hopper material leakage switch device of the utility model, the outer wall of the material receiving tank is fixedly connected with a material receiving groove below the discharge port, the material receiving groove and the material receiving tank are communicated with a material passing pipe, and the mounting plate is fixedly connected to the right side of the upper end surface of the material receiving groove.

[0008] In order to conveniently and quickly dismount and install the distance measuring sensor, as a kind of furnace top receiving hopper leakage switch device preferred of the utility model, the fixed mechanism includes the abutting block of sliding connection in the inside of mounting hole and located above distance measuring sensor, the upper end surface of mounting plate is connected with screw rod, the lower end of screw rod extends to the inside of mounting hole and is rotationally connected with abutting block.

[0009] In order to limit the abutting block, as a kind of furnace top receiving hopper leakage switch device preferred of the utility model, the abutting block and mounting hole are slidably connected through limiting sliding block and limiting sliding slot.

[0010] In order to protect the distance measuring sensor, as a kind of furnace top receiving hopper leakage switch device preferred of the utility model, the lower end surface of abutting block is fixedly connected with protective pad abutting with distance measuring sensor.

[0011] In order to facilitate the rotation of screw rod, as a kind of furnace top receiving hopper leakage switch device preferred of the utility model, the upper end of screw rod is fixedly connected with torsion block.

[0012] Compared with prior art, the utility model has the advantages that:

[0013] When the blast furnace appears fault, and the material accumulation occurs in receiving tank, the main belt continues to convey material, and the material in receiving tank is lifted to the discharge port, then the material enters the discharge port and extrudes the flap to rotate, so that the distance between flap and mounting plate becomes smaller, then the distance between flap and mounting plate is detected by distance measuring sensor, then distance measuring sensor transmits information to the external control computer, and the main belt is controlled to stop running by external control computer, thereby stopping feeding into receiving tank, so that the fault of furnace top feeding equipment is avoided, and the normal production of blast furnace is affected. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view sectional structure schematic diagram of the utility model;

[0015] Figure 2 It is the right view sectional structure schematic diagram of the utility model;

[0016] Figure 3 It is the utility model Figure 2 It is the enlarged structure schematic diagram of a portion of the utility model;

[0017] Figure 4 It is the flap stereoscopic structure schematic diagram of the utility model.

[0018] In the figure: 1, the receiving tank; 2, the discharge port; 3, the flap; 4, the fixed cylinder; 5, the L-shaped rod; 6, the rotating rod; 7, the mounting plate; 8, the mounting hole; 9, the distance measuring sensor; 10, the receiving groove; 11, the material passing pipe; 12, the abutting block; 13, the screw rod; 14, the protective pad; 15, the torsion block. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model. In the description of the utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, in the description of the utility model, "a plurality of" means two or more, unless otherwise specifically limited.

[0020] Please refer to Figures 1 to 4 A furnace top receiving hopper material leakage switch device, including receiving tank 1, the outer wall of receiving tank 1 is through the establishment of discharge port 2, the inside of discharge port 2 is provided with flap 3, the outer wall of receiving tank 1 is fixedly connected with two front and rear distribution and located above discharge port 2 fixed cylinder 4, the right side wall upper end of flap 3 is fixedly connected with two front and rear distribution and located between two fixed cylinder 4 L-shaped rod 5, the side wall of two L-shaped rods 5 opposite is fixedly connected with rotating rod 6 that extends to the inside of two fixed cylinder 4 respectively, two fixed cylinder 4 and two rotating rod 6 are movably connected between them;

[0021] The right side of receiving tank 1 is provided with mounting plate 7, the lower end surface of mounting plate 7 is flush with the inside lower end of discharge port 2, the right side wall of mounting plate 7 is through the establishment of mounting hole 8, the inside of mounting hole 8 is detachably connected with distance measuring sensor 9 through fixing mechanism.

[0022] In the embodiment, when the blast furnace malfunctions and the material accumulates in the receiving tank 1, the main belt continues to convey the material, so that the material in the receiving tank 1 rises to the discharge port 2, then the material enters the discharge port 2 and extrudes the turning plate 3 to rotate, so that the turning plate 3 rotates to the outside of the receiving tank 1 through the cooperation between the two fixed cylinders 4, the two rotating rods 6 and the two L-shaped rods, the distance between the turning plate 3 and the mounting plate 7 becomes smaller, then the distance between the turning plate 3 and the mounting plate 7 is detected by the distance measuring sensor 9 (the distance measuring sensor 9 is electrically connected with the external control computer), then the distance measuring sensor 9 transmits information to the external control computer, and the external control computer controls the main belt to stop running, thereby stopping the feeding of the receiving tank 1, so as to avoid the failure of the furnace top feeding equipment and affect the normal production of the blast furnace.

[0023] When the distance measuring sensor 9 is damaged, the fixing mechanism can be used to fix the distance measuring sensor 9, and then the distance measuring sensor 9 can be replaced.

[0024] As a technical optimization scheme of the utility model, the outer wall of the receiving tank 1 is fixedly connected with a receiving groove 10 located below the discharge port 2, the receiving groove 10 and the receiving tank 1 are communicated with a material passing pipe 11, and the mounting plate 7 is fixedly connected to the right side of the upper end surface of the receiving groove 10.

[0025] In the embodiment, the receiving groove 10 can receive the material discharged through the discharge port 2, then after the blast furnace is repaired, the material in the receiving groove 10 enters the receiving tank 1 again through the material passing pipe 11, so as to avoid the material from falling to the ground and causing waste of the material.

[0026] As a technical optimization scheme of the utility model, the fixing mechanism comprises an abutting block 12 slidably connected in the installation hole 8 and located above the distance measuring sensor 9, the upper end surface of the mounting plate 7 is threadedly connected with a screw rod 13, and the lower end of the screw rod 13 extends to the inside of the installation hole 8 and is rotationally connected with the abutting block 12.

[0027] In the embodiment, when the distance measuring sensor 9 is fixed, the screw rod 13 is rotated, the abutting block 12 is driven downward by the mounting plate 7, the abutting block 12 abuts against the outer wall of the distance measuring sensor 9, and then the distance measuring sensor 9 is fixed.

[0028] When the distance measuring sensor 9 is disassembled, the screw rod 13 is reversely rotated, the abutting block 12 is driven upward by the mounting plate 7, the abutting block 12 is disengaged from the outer wall of the distance measuring sensor 9, then the distance measuring sensor 9 is taken out from the installation hole 8, and then the distance measuring sensor 9 is disassembled from the installation hole 8, so as to facilitate the disassembly and assembly of the distance measuring sensor 9.

[0029] As a technical optimization scheme of the utility model, the abutting block 12 and the mounting hole 8 are connected through the limiting sliding block and the limiting sliding groove.

[0030] In this embodiment: the limiting sliding block and the limiting sliding groove can limit the abutting block 12, prevent the abutting block 12 from rotating with the screw rod 13, and make the abutting block 12 move stably.

[0031] As a technical optimization scheme of the utility model, the lower end surface of the abutting block 12 is fixedly connected with the protective pad 14 abutting the distance measuring sensor 9.

[0032] In this embodiment: the protective pad 14 can protect the distance measuring sensor 9 from being damaged by the abutting block 12.

[0033] As a technical optimization scheme of the utility model, the upper end of the screw rod 13 is fixedly connected with the torsion block 15.

[0034] In this embodiment: the torsion block 15 facilitates the rotation of the screw rod 13.

[0035] Working principle: when the blast furnace fails and the material accumulates in the receiving tank 1, the main belt continues to convey the material, so that the material in the receiving tank 1 rises to the discharge port 2, then the material enters the discharge port 2 and presses the turning plate 3 to rotate, so that the turning plate 3 rotates outward of the receiving tank 1 through the cooperation between the two fixed cylinders 4, the two rotating rods 6 and the two L-shaped rods, so that the distance between the turning plate 3 and the mounting plate 7 becomes smaller, then the distance between the turning plate 3 and the mounting plate 7 is detected by the distance measuring sensor 9 (the distance measuring sensor 9 is electrically connected with the external control computer), then the distance measuring sensor 9 transmits the information to the external control computer, and the external control computer controls the main belt to stop running, thereby stopping the feeding of the receiving tank 1, so as to avoid the failure of the furnace top feeding equipment and affect the normal production of the blast furnace.

[0036] After the material is discharged from the receiving tank 1 through the discharge port 2, the material is received by the receiving chute 10, then after the blast furnace is repaired, the material in the receiving chute 10 enters the receiving tank 1 again through the material pipe 11, so as to avoid the waste of the material caused by falling to the ground.

[0037] When the distance measuring sensor 9 fails, the screw rod 13 is rotated through the torsion block 15, the screw rod 13 cooperates with the mounting plate 7 to drive the abutting block 12 to move upward, so that the abutting block 12 is out of abutting state with the outer wall of the distance measuring sensor 9, then the distance measuring sensor 9 is replaced, after the replacement is completed, the screw rod 13 is reversely rotated through the torsion block 15, the screw rod 13 cooperates with the mounting plate 7 to drive the abutting block 12 to move downward, so that the abutting block 12 abuts with the outer wall of the distance measuring sensor 9, thereby fixing the distance measuring sensor 9, so as to facilitate the quick replacement of the distance measuring sensor 9.

[0038] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A spill gate device for a furnace top hopper, comprising a hopper tank (1), characterized in that: The outer wall of the receiving tank (1) is provided with a discharge port (2), the inside of the discharge port (2) is provided with a flap (3), the outer wall of the receiving tank (1) is fixedly connected with two fixed cylinders (4) distributed in front and back and located above the discharge port (2), the right side wall upper end of the flap (3) is fixedly connected with two L-shaped rods (5) distributed in front and back and located between the two fixed cylinders (4), the side wall opposite to the two L-shaped rods (5) is fixedly connected with two rotating rods (6) respectively extending into the two fixed cylinders (4), the two fixed cylinders (4) and the two rotating rods (6) are movably connected; The right side of the receiving tank (1) is provided with a mounting plate (7), the lower end surface of the mounting plate (7) is flush with the inside lower end of the discharge port (2), the right side wall of the mounting plate (7) is provided with a mounting hole (8), the inside of the mounting hole (8) is detachably connected with a distance measuring sensor (9) through a fixing mechanism.

2. A spill switch device for a furnace top hopper according to claim 1, wherein: The outer wall of the receiving tank (1) is fixedly connected with a receiving groove (10) located below the discharge port (2), the receiving groove (10) and the receiving tank (1) are communicated with a material passing pipe (11), and the mounting plate (7) is fixedly connected to the upper end surface right side of the receiving groove (10).

3. A spill switch device for a furnace top hopper according to claim 1 wherein: The fixing mechanism comprises an abutting block (12) slidably connected in the mounting hole (8) and located above the distance measuring sensor (9), the upper end surface of the mounting plate (7) is threadedly connected with a screw rod (13), the lower end of the screw rod (13) extends into the inside of the mounting hole (8) and is rotatably connected with the abutting block (12).

4. A spill switch device for a furnace top hopper according to claim 3 wherein: The abutting block (12) and the mounting hole (8) are slidably connected through a limiting sliding block and a limiting sliding groove.

5. A spill switch device for a furnace top hopper according to claim 3 wherein: The lower end surface of the abutting block (12) is fixedly connected with a protective pad (14) abutting with the distance measuring sensor (9).

6. A spill switch device for a furnace top hopper according to claim 3 wherein: The upper end of the screw rod (13) is fixedly connected with a torsion block (15). The upper end of the screw rod (13) is fixedly connected with a torsion block (15).

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