CN210001216U - blast furnace ore coke tank car material pulling system - Google Patents

Abstract

The utility model relates to a material pulling system for a blast furnace ore coke tanker, belonging to the technical field of blast furnace vehicle pulling material system equipment in the metallurgical industry. The technical scheme is as follows: the upper part of the discharge chamber (6) is connected with a discharge and dust suction branch pipe (5), the discharge chamber (6) is provided with a receiving hopper (2), and the feeding port of the receiving hopper (2) is provided with a grate ( 1) The discharge port of the receiving hopper (2) is connected with the chute (3), the chute (3) is arranged above the belt conveyor (12), and the chute (3) is provided with a fan valve (4) and a stopper. A material plate (24), the sector valve (4) is hinged on the chute (3), the baffle plate (24) is fixed on the chute (3), and one end of the handle (20) is fixed on the sector valve (4) ), the other end of the handle (20) is limited to the standpipe (21) through the latch (23), and a plurality of belt conveyor dust suction branch pipes are arranged above the belt conveyor (12). The beneficial effects of the utility model are as follows: the material is prevented from slipping onto the ground, the belt conveyor is prevented from pressing the material, the operation is simple, and the energy saving and environmental protection are realized.

Description

A blast furnace ore coke tank car pulling system

technical field

The utility model relates to a material pulling system for a blast furnace ore coke tanker, which belongs to the technical field of a blast furnace vehicle pulling material system equipment in the metallurgical industry.

Background technique

During the charging process of the blast furnace, in addition to the main line for conveying materials corresponding to the sintering machine, shaft furnace and coke oven process, the blast furnace ore and coke tank also need to set up separate truck-pulling branch lines, that is, the truck-pulling system. The lines are then aggregated to the main line. The set car pulling system has two functions. One is to transport the auxiliary materials required for blast furnace smelting, such as fluorite and lump ore; The material transported by the car is transported from the car pulling system to meet the uninterrupted material demand of blast furnace production.

At present, the car pulling system is mainly composed of receiving hopper, electro-hydraulic plate gate, vibrating feeder and belt conveyor. The flat gate is moved, and the outlet of the vibrating feeder is located above the belt conveyor, that is, there is a certain distance between the discharge port at the bottom of the receiving hopper and the belt conveyor. This kind of car pulling system has the following shortcomings: (1) When the belt conveyor is stopped or stopped urgently, the vibrating feeder is still feeding, causing the belt conveyor to press the material and slip it to the ground; (2) The vibrating feeder The material in the feeding trough is easy to freeze in winter and does not discharge; (3) the vibrating feeder system needs regular maintenance, such as the replacement of the lining plate; (4) the dust of the car pulling system is not easy to control.

Utility model content

The purpose of the utility model is to provide a material pulling system for a blast furnace ore coke tanker, in which the material in the receiving hopper directly flows into the belt conveyor through a chute, which saves energy and protects the environment, and solves the problems existing in the background technology.

The technical scheme of the present utility model is:

A blast furnace ore coke tank truck pulling system, comprising grate, receiving hopper, chute, fan valve, discharge suction branch pipe, discharge chamber, dust removal pipe, belt conveyor, wrench, riser, latch and baffle plate , The top of the unloading chamber is connected to the discharge suction branch pipe, the discharge chamber is provided with a receiving hopper, the feeding port of the receiving hopper is provided with a grate, the discharge port of the receiving hopper is connected with the chute, and the chute is set above the belt conveyor , the chute is provided with a fan-shaped valve and a baffle plate matched with the fan-shaped valve. The fan-shaped valve is hinged on the chute, the baffle plate is fixed on the chute, and one end of the handle is fixed on the fan-shaped valve. The other end is limited on the standpipe through a latch, and a plurality of belt conveyor dust suction branch pipes connected with the dust removal pipeline are arranged above the belt conveyor.

The grate is in the shape of a cross grid, the grate is fixed on the feeding port of the hopper, one side of the grate is provided with a car stop, and the grate is provided with an inspection manhole.

A reinforcing rib plate is arranged between the gear and the grate.

The riser is provided with a plurality of pin holes matched with the pins.

The belt conveyor is provided with a sealing device. The sealing device includes side supports, angle steel, canvas and round steel. The side supports are fixed on both sides of the belt conveyor. The canvas is fixed on the side supports through the angle steel. Steel hangs down the sides of the belt conveyor.

By adopting the utility model, the carriage enters the unloading chamber, the material slips into the belt conveyor through the receiving hopper and the chute, the fan-shaped valve in the chute is in the normally open position, and the opening of the fan-shaped valve can be properly adjusted according to the particle size of the material. After one car of material has been automatically slipped, it is poured into the next car of material. Moreover, during the conveying process of the belt conveyor, the belt conveyor sealing device and the belt conveyor dust suction branch pipe are used to avoid dust and pollute the environment.

The beneficial effects of the utility model are as follows: the material in the material receiving hopper flows directly into the belt conveyor through the chute, and the opening degree of the sector valve does not need to be frequently actuated to adjust the opening of the sector valve. Pour into the next car, avoid the material slipping to the ground, prevent the belt conveyor from pressing the material, simple operation, energy saving and environmental protection.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic diagram of the connection structure of the sector valve;

Fig. 3 is a schematic diagram of the structure of a sector valve trunnion;

Figure 4 is a front view of the grate;

Figure 5 is a left side view of the grate;

Figure 6 is a top view of the grate;

7 is a sectional view of the sealing device A-A;

In the picture: grate 1, receiving hopper 2, chute 3, fan valve 4, discharge suction branch pipe 5, discharge chamber 6, belt conveyor suction branch pipe 1 7, dust removal pipe 8, rest room 9, top of belt corridor 10. Belt conveyor suction branch pipe 2 11, belt conveyor 12, sealing device 13, corridor floor 14, plug-in small grate 15, maintenance manhole 16, vehicle stop 17, reinforcing rib plate 18, material cleaning hole 19, wrench 20. Riser 21, pin hole 22, pin 23, baffle plate 24, lining plate 25, bolt assembly 26, side support 27, angle steel 28, canvas 29, round steel 30, window 31, support seat 32.

Detailed ways

Below in conjunction with the accompanying drawings, the present utility model will be further described through examples.

Referring to Figures 1-7, a blast furnace coke tanker pulling system includes a grate 1, a receiving hopper 2, a chute 3, a fan valve 4, a discharge suction branch pipe 5, a discharge chamber 6, a dust removal pipe 8, The belt conveyor 12, the handle 20, the standpipe 21, the latch 23 and the baffle plate 24, the discharge and dust suction branch pipe 5 is connected above the discharge chamber 6, and a receiving hopper 2 is arranged below the discharge chamber 6. The feeding port is provided with a grate 1, and the discharging port of the receiving hopper 2 is connected with the chute 3. The chute 3 is arranged above the belt conveyor 12. The chute 3 is provided with a fan-shaped valve 4 and a stopper matched with the fan-shaped valve 4. The material plate 24, the sector valve 4 is hinged on the chute 3, the baffle plate 24 is fixed on the chute 3, one end of the handle 20 is fixed on the sector valve 4, and the other end of the handle 20 is limited by the latch 23 On the standpipe 21 , a plurality of belt conveyor dust suction branch pipes connected to the dust removal pipe 8 are arranged above the belt conveyor 12 .

Specific examples:

In this embodiment, referring to Figures 1-7, the receiving hopper 2 is located in the unloading chamber 6, the periphery of the receiving hopper 2 is welded on the support seat 32, the support seat 32 is fixed on the ground, and the feeding port of the receiving hopper 2 Set the grate 1, the receiving hopper 2 is located in the discharge chamber 6, the discharge port of the receiving hopper 2 is welded with the chute 3 and the fan valve 4, the handle 20 is a rectangular connecting plate, and one end of the handle 20 is welded to the fan valve 4 The other end is limited on the standpipe 21 through a plug 23, the standpipe 21 is provided with a plurality of plug holes 22, and the belt conveyor 12 is provided with a sealing device 13.

Referring to Figures 2 and 3, the fan-shaped valve 4 includes a fan-shaped plate and a trunnion matched with the chute 3, the fan-shaped plate is rotatably connected in the chute 3 through the trunnion, and a baffle plate is provided between the fan-shaped plate and the inner wall of the chute 24. The baffle plate 24 is fixed on the chute 3, one is to prevent the instantaneous material speed from being too fast and the arc plate of the fan-shaped valve is punched out, and the other is to make the bottom plate of the fan-shaped valve 4 more wear-resistant. The trunnion is set as a bolt assembly 26 , and the root of the bolt is welded to the sector plate and surrounded by a lining plate 25 .

Referring to Figures 4, 5, and 6, the grate 1 is in the shape of a cross grid, and the grate 1 is fixed on the feeding port of the receiving hopper 2. The grate 1 is provided with a car stop 17 on the driving side of the car to prevent the car tire from crushing the grate. A material clearing hole 19 is provided below the vehicle block 17 to facilitate cleaning of the accumulated material scattered on the ground. The center of the grate 1 is provided with a small plug-in grate 15. The area of the small plug-in grate 15 is the main wear part when the car is pouring material. After the small plug-in grate 15 is worn, the small plug-in grate 15 can be replaced, which saves costs and facilitates maintenance. An inspection manhole 16 is arranged on one side of the grate 1, and the grate at the inspection manhole 16 is arranged as two movable steel pipes that are perpendicular to each other, and the two ends of the steel pipes are inserted into the grooves.

Referring to Figure 7, the belt conveyor 12 is provided with a sealing device 13. The functions of the sealing device 13 are: first, sealing, which is conducive to dust accumulation, and second, when the material flow is too large, the hanging canvas side can prevent the material from flowing into the ground. The sealing device includes a side support 27, an angle steel 28, a canvas 29 and a round steel 30. The two angle steels 28 are parallel to the belt conveyor 12 and located above the belt conveyor 12. The back side of the angle steel 28 is welded to the side support 27 and connected to the belt frame. The canvas 29 covers It is fixed on two angle steels 28, the two ends of the canvas 29 hang down, and the two ends are wrapped with round steel 30, which is a certain distance from the belt conveyor 12. The sealing device 13 is divided into multiple sections and is continuous. When cleaning and sanitation, the operator can lift up one side of the canvas for cleaning. The top of the sealing device 13 is open and is provided with a belt conveyor vacuuming branch pipe 1 7 and a belt conveyor vacuuming branch pipe 2 11. The dust branch pipe one 7 and the belt conveyor dust suction branch pipe two 11 are respectively connected to the dust removal pipe 8 , and the belt conveyor dust suction branch pipe one 7 is close to the chute 3 .

The working process of the utility model is as follows:

The carriage enters the unloading chamber 6, the material is filtered through the grate 1 and then enters the receiving hopper 2, and then slips into the belt conveyor 12 through the chute 3 and the fan valve 4. Generally, the latch 23 fixes the handle 20 of the fan valve on the vertical position. A relatively fixed position on the pipe 21 keeps the fan valve 4 in the normally open position. According to the particle size of the material, the opening degree of the fan valve 4 can be adjusted appropriately. In addition to checking the material flow and inspecting the equipment in front of the belt conveyor 12 normally, the operator can also look through the window 31 of the lounge 9 to look at the size of the material flow on the belt conveyor 12 under the second vacuum branch pipe 11 of the belt conveyor and whether the fan valve 4 is present or not. jams, etc., so that they can be dealt with in a timely manner.

Claims (5)

1. A blast furnace ore coke tank car pulling system, characterized in that: it comprises a grate (1), a hopper (2), a chute (3), a fan valve (4), a discharge and dust suction branch pipe (5), The discharge chamber (6), the dust removal pipe (8), the belt conveyor (12), the handle (20), the riser (21), the latch (23) and the baffle plate (24), the The upper part is connected to the discharge and dust suction branch pipe (5), the discharge chamber (6) is provided with a receiving hopper (2), the feeding port of the receiving hopper (2) is provided with a grate (1), and the discharge of the receiving hopper (2) is provided The mouth is connected with the chute (3), the chute (3) is arranged above the belt conveyor (12), and the chute (3) is provided with a fan-shaped valve (4) and a baffle plate matched with the fan-shaped valve (4). (24), the sector valve (4) is hinged on the chute (3), the baffle plate (24) is fixed on the chute (3), and one end of the handle (20) is fixed on the sector valve (4) , the other end of the handle (20) is limited on the standpipe (21) through the latch (23), and a plurality of belt conveyor dust suction branch pipes connected with the dust removal pipe (8) are arranged above the belt conveyor (12). 2. A blast furnace coke tanker pulling system according to claim 1, characterized in that: the grate (1) is in the shape of a cross grid, and the grate (1) is fixed on the feed of the receiving hopper (2). On the mouth, one side of the grate (1) is provided with a vehicle stop (17), and the grate (1) is provided with an inspection manhole (16). 3 . The blast furnace coke tanker pulling system according to claim 2 , wherein a reinforcing rib plate ( 18 ) is provided between the car stop ( 17 ) and the grate ( 1 ). 4 . 4 . The material pulling system for a blast furnace coke tanker according to claim 1 , wherein: the riser ( 21 ) is provided with a plurality of bolt holes ( 22 ) matched with the bolts ( 23 ). 5 . 5. A blast furnace coke tanker pulling system according to claim 1, characterized in that: the belt conveyor (12) is provided with a sealing device (13), and the sealing device (13) comprises a side support ( 27), angle steel (28), canvas (29) and round steel (30), the side support (27) is fixed on both sides of the belt conveyor (12), the canvas (29) is fixed on the side support (27) through the angle steel (28) ), both ends of the canvas (29) hang down on both sides of the belt conveyor (12) through the round steel (30).

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