CN219589461U - Dredging device for yellow phosphorus electric furnace material pipe - Google Patents

Abstract

The utility model provides a dredging device for a yellow phosphorus electric furnace material pipe, which comprises a material cabinet hopper, a square rounding and a material pipe, wherein the material cabinet hopper, the square rounding and the material pipe are sequentially arranged between a material cabinet and an electric furnace; simultaneously, the inside clearance that can supply picture peg male that is equipped with of flange nozzle stub prevents that the material from falling when dredging, and the inside space that can supply dredging tool business turn over that still is equipped with of flange nozzle stub makes things convenient for dredging the material pipe. The utility model can avoid stopping the electric furnace in the dredging process, avoid fire-moving operations such as cutting and welding, improve the production efficiency and reduce the dredging difficulty and the safety and environmental protection risks.

Description

Dredging device for yellow phosphorus electric furnace material pipe

Technical Field

The utility model belongs to the technical field of yellow phosphorus production, and particularly relates to a dredging device for a yellow phosphorus electric furnace material pipe.

Background

Yellow phosphorus has wide application, is one of very important chemical raw materials, and yellow phosphorus production enterprises in China mostly adopt an electric furnace to prepare phosphorus, and phosphate ore, white coal and silica are conveyed to an electric furnace cabinet through a distribution trolley according to a certain proportion, and then conveyed to a yellow phosphorus electric furnace through a conical blanking hopper, a material pipe and other devices to perform electric furnace reaction.

Because gaps exist among materials filled in the material pipes, high-temperature furnace gas generated in the electric furnace is released outwards through the material pipes, the materials are easy to block between square rounding and the material pipes after being sintered and crystallized into blocks in the material pipes, so that the material pipes are not smooth in blanking, a large amount of electric furnace gas overflows in the material pipes, severe combustion occurs when the electric furnace gas overflows into a material cabinet, a belt of a distribution trolley is burnt, safety and environmental protection accidents such as gas poisoning, gas leakage and the like can be caused in severe cases, and great potential safety hazards are caused.

At present, when the problem of blockage of a material pipe is solved, the electric furnace is usually powered off, a hole is dug and a window is opened at the blockage position, and blockage is carried out after blockage is taken out. However, the method is inconvenient to completely isolate partial furnace burden on the blocking part, the furnace burden is continuously lowered in the dredging process, construction progress is hindered, the risk of fire operation is extremely high, gas flash seeding hurts people easily, the time and labor are wasted, the risk is high, and meanwhile, certain economic loss can be caused when the electric furnace is stopped. Chinese patent CN114833148A discloses an on-line automatic dredging device for gas pipeline of titanium ore boiling chlorination furnace, which removes the material attached to the inner wall of the gas pipeline by cylinder rod and cylinder cone scraper arranged at the end of the cylinder rod, and ensures the smoothness of the gas pipeline. Chinese patent CN113944939a discloses a bucket elevator inlet blocking dredging device and a dry slag removal system for a boiler, which solves the problem of blocking of the bucket elevator inlet feed pipe by means of reciprocating motion through arranging a dredging part and a driving part on the feed pipe. But the dredging device is arranged in the material pipe and occupies the inner space of the material pipe, so that the rate of materials entering the electric furnace is reduced, and meanwhile, once the dredging device fails, the maintenance is still needed to be stopped, and time and labor are consumed.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the dredging device for the yellow phosphorus electric furnace material pipe, which does not occupy the inner space of the material pipe, and the electric furnace does not need to be powered off when dredging, so that the working efficiency and the dredging and overhauling efficiency of the electric furnace are obviously improved, and the dredging and overhauling difficulty is reduced.

The technical scheme adopted by the utility model is as follows:

a pull throughs for yellow phosphorus electric stove material pipe, material cabinet bottom are fixed with the material cabinet hopper, and the welding of material cabinet hopper bottom has convenient circle, square rounding and material union coupling, and material pipe bottom and electric stove top entry fixed connection, material pipe upper end are equipped with flange nozzle stub 6 and nitrogen gas pipeline.

Preferably, one side of the flange short tube is welded on the material tube, the other side of the flange short tube is connected with the flange blind plate through a bolt, a positioning baffle is fixed at the upper end of the inside of the flange short tube, and a certain gap exists between the positioning baffle and the upper wall of the flange short tube.

Further preferably, a sealing filler is arranged between the flange short pipe and the flange blind plate.

Preferably, the handles of the flange blind plates are respectively connected with the plugboard and the dredging tool through chains.

Preferably, the width of the insert plate is the same as the width of the gap between the positioning baffle and the upper wall of the flange short tube.

Preferably, a nitrogen valve is arranged on the nitrogen pipeline.

Preferably, the lower end of the material pipe is provided with a material pipe flashboard.

Advantageous effects

According to the utility model, the flange short pipe, the material pipe flashboard and the nitrogen pipeline are arranged on the material pipe, when dredging, the furnace gas of the electric furnace is firstly subjected to preliminary breaking through the material pipe flashboard, then the furnace gas is further plugged by introducing nitrogen through the nitrogen pipeline, the flange short pipe is opened, the material on the material pipe is subjected to breaking through inserting the flashboard, the material is prevented from falling in the dredging process to influence the dredging effect, and finally the plugged material pipe is dredged through the flange short pipe. The utility model can solve the problem of blockage at any time without the power failure of the electric furnace, prevents further deterioration of blockage and improves the production efficiency; the cutting and welding are not needed, the safety risk of fire operation is avoided, the operation is simple and easy, and the safety and environmental protection risks are kept in a safe and controllable state.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an enlarged view at a of fig. 1.

Fig. 3 is a cross-sectional view and a right side view of the flange short tube, wherein a is a cross-sectional view and B is a right side view.

Fig. 4 is a schematic structural diagram of an insert plate and a dredging tool according to the present utility model, wherein a is the insert plate and B is the dredging tool.

Fig. 5 is a schematic diagram of the operation of the present utility model, wherein a is a schematic diagram before dredging, B is a schematic diagram of the flange blind plate opening, and C is a schematic diagram during dredging.

In the figure, an electric furnace 1; a bin hopper 2; a nitrogen line 3; a feed pipe 4; a pipe shutter 5; a flange short tube 6; positioning a baffle 7; a nitrogen valve 8; a flange blind plate 9; a plugboard 10; a dredging tool 11; sealing filler 12, square rounding 13, material cabinet 14 and bolts 15.

Detailed Description

As shown in figures 1-5, in the dredging device for the yellow phosphorus electric furnace material pipe, a material cabinet hopper 2 is welded at the bottom of a material cabinet 14, a square round 13 is welded at the bottom of the material cabinet hopper 2, the bottom of the square round 13 is welded with the top of a material pipe 4, the bottom of the material pipe 4 is fixedly connected with an inlet at the top of the electric furnace 1, and a flange short pipe 6 and a nitrogen pipeline 3 are welded at the upper end of the material pipe 4.

Preferably, one side of the flange short tube 6 is welded on the material tube 4, the other side is fixedly connected with the flange blind plate 9 through a plurality of bolts 15, the upper end of the inside of the flange short tube 6 is welded with a positioning baffle 7, and a certain gap exists between the positioning baffle 7 and the upper wall in the flange short tube 5.

It is further preferred that a sealing filler 12 is arranged between the flange short tube 6 and the flange blind plate 9 to prevent the electric furnace gas from escaping from the gap between the flange short tube 6 and the flange blind plate 9 and pollute the environment.

Preferably, the handle of the blind flange 9 is connected to the insert plate 10 and the dredging tool 11 via chains.

Preferably, the width of the insert plate 10 is the same as the width of the gap between the positioning baffle 7 and the upper wall of the flange stub 6, so that the insert plate 10 can be freely inserted into or withdrawn from the gap.

Preferably, be equipped with nitrogen gas valve 8 on the nitrogen gas pipeline 3, open nitrogen gas valve when needs mediation, shutoff is carried out the material pipe, keeps the closed condition when need not dredge, reduces the waste of nitrogen gas.

Preferably, the lower end of the material pipe 4 is provided with a material pipe flashboard 5, and the material pipe flashboard 5 is positioned in the material pipe 4, so that most of electric furnace gas can be broken when the material pipe flashboard is closed, and the electric furnace gas is blocked in the electric furnace.

When dredging is needed, the material pipe flashboard 5 is closed, the electric furnace gas is initially broken, the electric furnace is blocked inside, the nitrogen valve 8 is opened, and nitrogen is introduced into the material pipe 4 to completely block the electric furnace gas, so that the electric furnace gas is prevented from escaping. Unscrewing bolts 15, opening the flange blind plate 9, and inserting the plugboard 10 connected to the handle of the flange blind plate 9 into a gap formed by the positioning baffle 7 and the upper wall of the flange short pipe 6 to prevent the material at the upper end from falling and influence the dredging effect; finally, the material pipe 4 is dredged by a dredging tool connected to the handle of the flange blind plate 9 and extending into the material pipe 4.

After dredging, the inserting plate 10 is pulled out, the flange blind plate 9 is restored to be connected with the bolts of the flange short pipe, the nitrogen valve 8 is closed, the material pipe flashboard 5 is opened, and the material is recovered to fall normally and enter the electric furnace.

The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims (7)

1. A pull throughs for yellow phosphorus electric stove material pipe, material cabinet (14) bottom is fixed with material cabinet hopper (2), and material cabinet hopper (2) bottom welding has convenient circle (13), and square rounding (13) are connected with material pipe (4), and material pipe (4) bottom and electric stove (1) top entry fixed connection, its characterized in that: the upper end of the material pipe (4) is provided with a flange short pipe (6) and a nitrogen pipeline (3).

2. The dredging device for the yellow phosphorus electric furnace material pipe according to claim 1, wherein: one side of the flange short tube (6) is welded on the material tube (4), the other side of the flange short tube is connected with the flange blind plate (9) through a bolt (15), a positioning baffle (7) is fixed at the upper end inside the flange short tube (6), and a certain gap exists between the positioning baffle (7) and the upper wall of the flange short tube (6).

3. The dredging device for the yellow phosphorus electric furnace material pipe according to claim 2, wherein: and a sealing filler (12) is arranged between the flange short pipe (6) and the flange blind plate (9).

4. A pull throughs for yellow phosphorus electric furnace tubes according to any one of claims 2 or 3, characterized in that: the handle of the flange blind plate (9) is respectively connected with the plugboard (10) and the dredging tool (11) through chains.

5. The dredging device for the yellow phosphorus electric furnace material pipe, as set forth in claim 4, is characterized in that: the width of the inserting plate (10) is the same as the width of a gap between the positioning baffle (7) and the upper wall of the flange short pipe (6).

6. The dredging device for the yellow phosphorus electric furnace material pipe according to claim 1, wherein: and a nitrogen valve (8) is arranged on the nitrogen pipeline (3).

7. The dredging device for the yellow phosphorus electric furnace material pipe according to claim 1, wherein: the lower end of the material pipe (4) is provided with a material pipe flashboard (5).