CN219546141U - Automatic feeding device for zinc dross dry treatment process - Google Patents

Abstract

The utility model discloses an automatic feeding device for a zinc dross dry treatment process, which relates to the field of slag turners and comprises a control unit, a dust collection fan, a turner and a dust cover arranged on the side of the turner, wherein the turner comprises a frame and a slag hopper, the slag hopper is rotationally connected to the frame, and an oil cylinder a for driving the slag hopper to rotationally turn over is arranged on the frame; the dust cover is connected to the dust collection fan through a pipeline, and the dust collection fan, the oil cylinder a and the oil cylinder b are electrically connected to the control unit. The slag hopper is arranged to automatically overturn, and the overturning direction is provided with the dust cover for dust prevention treatment. Therefore, the labor intensity can be reduced, the lifting risk is reduced, and the dustproof effect is achieved to a certain extent.

Description

Automatic feeding device for zinc dross dry treatment process

Technical Field

The utility model relates to the field of slag turners, in particular to an automatic feeding device for a zinc dross dry treatment process.

Background

At present, when hot dip zinc alloy, die casting alloy, zinc powder and 0# zinc ingot are produced, the required raw materials cathode zinc sheet reacts with air in a hearth to generate zinc oxide in the casting process, the zinc oxide wraps some metal zinc particles to form scum, and the zinc scum amount is about 3.5%. The method cannot be directly utilized, and the smelting is returned after the treatment, so that the dry treatment process is more used in the treatment process. During treatment, zinc dross is filled in the slag hopper, and a worker uses a crane to hoist one side of the slag hopper for slag turning and feeding. The feeding mode can damage the slag hopper due to improper crane operation, has a certain lifting risk, is not environment-friendly, and at least needs two workers to be closely matched, so that the labor intensity is high.

Disclosure of Invention

Aiming at the problems in the background technology, the utility model provides an automatic feeding device for a zinc dross dry treatment process, wherein a dross hopper is arranged to be automatically turned over, and a dust cover is arranged in the turning direction for dust prevention treatment. The labor intensity can be reduced, the lifting risk is reduced, and the dustproof effect is achieved to a certain extent.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an automatic feeding device for a zinc dross dry treatment process comprises a control unit, a dust collection fan, a turnover machine and a dust cover arranged on the turnover side of the turnover machine, wherein the turnover machine comprises a frame and a slag hopper, the slag hopper is rotationally connected to the frame, and an oil cylinder a for driving the slag hopper to rotationally tilt is arranged on the frame; the dust cover is connected to the dust collection fan through a pipeline, and the dust collection fan, the oil cylinder a and the oil cylinder b are electrically connected to the control unit;

further, a limit rod piece for limiting the slag hopper to have a tilting angle of 120 DEG is arranged on the frame;

further, when the slag hopper is turned to the limit position for dumping, the gap size of the same side of the dust cover is 50-100mm.

The utility model has the beneficial effects that: according to the utility model, the control unit controls the oil cylinder to stretch to drive the slag hopper to turn over and reset so as to realize automatic feeding of slag, thereby greatly reducing labor intensity of workers and reducing safety risk. The movable dust cover is matched with the slag turning machine in a cutting way, so that dust can be further collected in a sealing way, the production environment is improved, and the occupational health control level is improved. The slag bucket fixing device has the advantages of simple structure, firmness, reliability and convenient maintenance, and can improve the clean production efficiency of zinc dross.

Drawings

FIG. 1 is a schematic view of the overall structure of an automatic feeding apparatus for zinc dross dry-type treatment process;

FIG. 2 is a cross-sectional view of an automatic feeder hopper for a zinc dross dry process;

FIG. 3 is a partial view of an automatic feeder slag hopper for a zinc dross dry process;

FIG. 4 is a schematic diagram of an automatic feed device control for a zinc dross dry processing process;

fig. 5 is a schematic diagram of a turning mode of a zinc dross dry treatment process adopted at present.

In the figure, each serial number is represented as: 1. a turnover machine; 101. an oil cylinder a; 1012. a filter; 1011. an oil pump; 102. a roll-over stand; 103. a slag bucket; 1031. channel steel; 1032. a rotating shaft; 104. a frame; 2. a dust cover; 201. a dust collection port; 202. an oil cylinder b; 203. a track; 204. a moving wheel; 3. a mill feed inlet; 4. a control unit; 5. a dust collection fan; 6. and (5) a crane.

Detailed Description

In order to make the object technical scheme and the beneficial effects of the present utility model clearer, the following detailed description of the preferred embodiments of the present utility model will be given with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.

Fig. 5 is a schematic diagram of a turning mode of a currently adopted zinc dross dry treatment process, and when zinc dross is subjected to dry treatment, a crane 6 is usually used to turn and pour slag at one side of a slag lifting hopper 103. So that zinc dross enters the next treatment process from the feed inlet of the mill. In this way, the bucket 103 is damaged due to improper handling of the crane 6, with a certain handling risk. In addition, in the tipping process, a large amount of dust is generated, which is unfavorable for preventing and treating occupational diseases.

Fig. 1 is a schematic view of the whole structure of an automatic feeding apparatus for zinc dross dry-type treatment process, which comprises a turnover machine 1 and a dust cover 2 mounted on the turnover side of the turnover machine 1. The turnover machine 1 comprises a frame 104 and a slag hopper 103, wherein the slag hopper 103 is rotatably connected to the frame 104, and an oil cylinder a101 for driving the slag hopper 103 to rotationally tilt is arranged on the frame 104. The base of the oil cylinder a101 is hinged to the frame 104, the piston end of the oil cylinder a101 is hinged to the turnover frame 102 of the slag bucket 103, and the slag bucket 103 is arranged on the turnover frame 102, so that the oil cylinder a101 can drive the slag bucket 103 to perform turnover dumping, and zinc dross in the slag bucket 103 can enter the next treatment process from the feeding port 3 of the mill.

The roll-over stand 102 is formed by welding Q235B square steel, has a compact table surface structure and a maximum bearing capacity of 3 tons, and the integral frame can bear the impact force of the slag hopper 103 during hoisting and also has the surface subjected to rust prevention treatment. A 50-100mm high positioning baffle plate is additionally arranged on the length and width positions of the roll-over stand 102, and U-shaped holes (not shown in the figure) are formed on two sides of the center of the long baffle plate surface. The U-shaped holes facilitate the steel pipe to be quickly inserted into the channel steel 1031 at the bottom of the slag bucket 103, the slag bucket 103 is fixedly installed, and the channel steel 1031 is welded at the bottom of the slag bucket 103 as shown in fig. 2. The slag hopper 103 is conveniently detached from the roll-over stand 102, so that the roll-over stand 102 and the slag hopper 103 are overhauled.

The rotating shaft 1032 of the slag hopper 103 is disposed at the middle position of the bottom thereof as shown in fig. 3, and the cylinder piston head thereof is hinged at the end of the roll-over stand 102.

The bottom of the dust cover 2 shown in fig. 1 is provided with a moving wheel 204 which can walk along a track 203, and the side wall of the dust cover 2 is provided with an oil cylinder b202 for driving the dust cover to approach the turnover machine 1. The oil cylinder b202 and the track 203 are fixedly arranged on the ground of a workshop, and when the dust-proof device is used, the oil cylinder b202 can drive the dust-proof cover 2 to approach or separate from the track 203 to the turnover machine 1, so that the tightness of the dust-proof cover 2 and the slag hopper 103 is improved, and the dust collection effect is improved. The dust cover 2 is provided with a dust collection port 201, the dust collection port 201 is connected to the dust collection fan 5 shown in fig. 4 through a pipeline, and a dust collector (not shown in the figure) is arranged between the dust collection fan 5 and the dust collection port 201. The inside and the outside of the dust cover 2 are required to be subjected to corrosion prevention treatment, the manual rust removal is up to st2 level, the corrosion prevention coating is divided into two working procedures, a first primer and a second primer, the primer is red lead rust-proof paint, the top paint is light gray alkyd ready-mixed paint, and the coating is uniform.

The dust collection fan 5, the oil cylinder a101 and the oil cylinder b202 shown in fig. 4 are electrically connected to the control unit 4, the control unit 4 is configured as a rocweil PLC control assembly, and the control assembly further comprises control elements such as a hollow-open contactor and an intermediate contactor (not shown in the figure, but the working principle thereof is well known to those skilled in the art). The oil cylinder a101 and the oil cylinder b202 are also connected to the oil pump 1011, a filter 1012 is arranged at the oil outlet of the oil pump 1011, and electromagnetic valves of the oil cylinder a101 and the oil cylinder b202 are connected to the control unit 4 through signal lines. When the automatic control device is used, the oil cylinder a101, the oil cylinder b202 and the dust collection fan 5 can be controlled to be started through the control unit 4 in an interlocking mode, so that an automatic control process is realized.

A limit rod for limiting the tilting angle of the slag hopper 103 to be 120 degrees is further arranged on the frame 104 in fig. 1, so that the tilting angle of the slag hopper 103 is 120 degrees, and the stroke of the oil cylinder can just reach the tilting process of the slag hopper 103.

In some preferred embodiments, the clearance between the longitudinal dimension of the same side of the slag hopper 103 and the dust cover 2 is 50-100mm, namely, the dust cover 2 just fits over the slag hopper 103 turned to the limit position, and 50-100mm is arranged between the dust cover 2 and the outer side wall of the slag hopper 103. When in use, the dust flying during slag turning can be ensured to be absorbed and treated by the dust cover 2 in a closed way.

Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.

Claims (3)

1. An automatic feeding device for a zinc dross dry-type treatment process is characterized in that: the dust-collecting dust-removing device comprises a control unit (4), a dust-collecting fan (5), a turnover machine (1) and a dust cover (2) arranged on the turnover side of the turnover machine (1), wherein the turnover machine (1) comprises a frame (104) and a slag hopper (103), the slag hopper (103) is rotationally connected to the frame (104), and an oil cylinder a (101) for driving the slag hopper (103) to rotationally tilt is arranged on the frame (104); the dust cover bottom is installed and can follow the movable wheel (204) of track (203) walking, and dust cover (2) lateral wall is provided with and is used for driving its hydro-cylinder b (202) that is close to upset machine (1), dust cover (2) are connected in dust collection fan (5) through the pipeline, and dust collection fan (5), hydro-cylinder a (101) and hydro-cylinder b (202) electricity are connected in control unit (4).

2. The automatic feeding apparatus according to claim 1, wherein: and a limit rod piece for limiting the tilting angle of the slag hopper (103) to 120 degrees is arranged on the frame (104).

3. The automatic feeding apparatus according to claim 1 or 2, wherein: when the slag hopper (103) is turned to the limit position for dumping, the gap size on the same side of the dust cover (2) is 50-100mm.