Spiral conveying equipment used in aluminum electrolysis cell overhaul slag treatment system

Abstract

The utility model provides spiral conveying equipment used in an aluminum electrolysis cell overhaul slag treatment system, and relates to the field of aluminum electrolysis cell overhaul slag treatment. The front end of the driving cylinder is connected with a conveying rotating cylinder through a bolt; a support is welded to the upper side face of the bottom frame, a turnover adjusting motor is connected to the front side face of the bottom frame through a bolt, a threaded rod is installed on a motor shaft of the turnover adjusting motor, and the bottom frame is rotationally connected to the outer side face of the threaded rod. The rear side face of the supporting disc is connected with a motor through a bolt, and a driving gear is installed on a motor shaft of the motor. Through the arrangement of a driving gear, a driving cylinder and a conveying rotating cylinder, the situation that the aluminum electrolysis cell overhaul slag is squeezed and stuck between the spiral blade and the conveying rotating cylinder is prevented, and abrasion to the tail end of the spiral blade is reduced; the problems that in traditional aluminum electrolysis cell overhaul slag spiral conveying equipment, a spiral blade extrudes and makes contact with overhaul slag impurities and irregularly-shaped particles for a long time, so that the blade is abraded, and conveying is stuck are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of aluminium electrolysis cell overhaul slag processing, more specifically, especially relates to a spiral conveying equipment for aluminium electrolysis cell overhaul slag processing system. BACKGROUND

[0002] ‌Aluminium electrolysis cell overhaul slag is a kind of solid residue generated in the process of periodically replacing material of aluminium electrolysis cell, and the residue contains soluble fluoride and cyanide and other strong corrosive toxic substances, which can cause serious pollution to the external environment. At present, in the process of aluminium electrolysis cell overhaul slag processing, in order to prevent the leakage of aluminium electrolysis cell overhaul slag to the external environment during conveying, a spiral conveyor with good sealing property is usually used for conveying. The spiral conveyor is driven by a motor to push the aluminium electrolysis cell overhaul slag in the groove through the blades on the outer side of the spiral shaft during rotation. However, the aluminium electrolysis cell overhaul slag contains a large amount of impurities and irregularly shaped particles. The impurities and particles in the overhaul slag are easily stuck between the spiral blades and the groove wall, resulting in poor conveying and reducing the conveying efficiency. The rotating spiral blades are in long-time extrusion contact with the aluminium electrolysis cell overhaul slag, which easily causes the abrasion of the spiral blades and reduces the service life of the spiral conveying equipment. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a spiral conveying equipment for aluminium electrolysis cell overhaul slag processing system, which solves the problem of blade abrasion and conveying jam caused by long-time extrusion contact of the spiral blades in the conventional aluminium electrolysis cell overhaul slag spiral conveying equipment with the impurities and irregularly shaped particles in the overhaul slag.

[0004] The utility model provides a spiral conveying equipment for aluminium electrolysis cell overhaul slag processing system, it includes support, the upper side of support is hinged with support plate, and the front side of support plate is welded with support disc, and the front side of support disc is welded with support column, and the front end of support column is welded with baffle disc, and the outer side of baffle disc is rotatably connected with drive cylinder, it still includes underframe, the front end of drive cylinder is connected with conveying rotary cylinder through bolt, the front end of conveying rotary cylinder is connected with unloading port through bolt, and the outer side of conveying rotary cylinder is rotatably connected with support frame, and the bottom of support frame is hinged with connecting rod, and the bottom of connecting rod is hinged with sliding plate, the upper side of underframe is welded with support, and the front side of underframe is connected with turnover adjusting motor through bolt, and the motor shaft of turnover adjusting motor is installed with threaded rod, and the outer side of threaded rod is rotatably connected with underframe, the rear side of support disc is connected with motor through bolt, and the motor shaft of motor is installed with drive gear, and the support disc is equipped with through groove, and the through groove in support disc is welded with feeding pipe, and the outer side of feeding pipe is welded with baffle disc.

[0005] In at least some embodiments, the conveying drum is a through drum structure, and the conveying drum is made of stainless steel, and the inner side wall of the conveying drum is provided with a spiral blade.

[0006] In at least some embodiments, the driving cylinder is a through cylinder structure, and the inner side surface of the driving cylinder is provided with an inner tooth structure near the rear end, and the driving gear is connected to the inner tooth structure of the inner side surface of the driving cylinder.

[0007] In at least some embodiments, the chassis is a through rectangular frame structure, and the left side and the right side of the rectangular frame of the chassis are provided with a long strip through slot, and the left end and the right end of the sliding plate are respectively inserted into the two groups of long strip through slots of the chassis, and the upper side of the sliding plate is attached to the upper side of the long strip through slot of the chassis, and the lower side of the sliding plate is attached to the lower side of the long strip through slot of the chassis.

[0008] In at least some embodiments, the rear side of the sliding plate is provided with a front and rear through threaded hole, and the outer side surface of the threaded rod is threadedly connected to the threaded hole of the sliding plate.

[0009] In at least some embodiments, the discharge port is a circular ring structure, and the inner side surface of the circular ring of the discharge port is a slope structure.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. In the utility model, the gear meshing transmission structure formed by the driving gear and the inner tooth structure of the driving cylinder driven by the motor operates, the driving cylinder drives the spiral blade on the inner wall of the conveying drum connected by the bolt to rotate, the spiral blade pushes the aluminum electrolysis cell overhaul residue in the conveying drum to move, and the integrated structure of the spiral blade and the inner wall of the conveying drum is used to rotate the conveying drum with the spiral blade. The conveying structure of the traditional spiral conveying device is abandoned, the interval gap between the spiral blade and the inner wall of the conveying drum is removed, the situation that the aluminum electrolysis cell overhaul residue is squeezed and stuck between the spiral blade and the conveying drum is effectively prevented, the end wear of the spiral blade is reduced, and the service life of the spiral blade is improved.

[0012] 2. In the utility model, the threaded engagement transmission structure formed by the threaded rod and the sliding plate driven by the turnover adjusting motor is used to make the sliding link mechanism formed by the sliding plate, the connecting rod, the support frame, the support and the support plate operate, the angle adjustment of the conveying drum is realized, the height position of the discharge end of the conveying drum is changed, and the conveying drum is convenient for conveying the aluminum electrolysis cell overhaul residue to different height positions. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 is a rear view structure schematic diagram of the utility model.

[0015] Figure 3 is a right view structure schematic diagram of the utility model.

[0016] Figure 4 is a cut structure schematic diagram of the utility model.

[0017] Figure 5 is a Figure 4 structure schematic diagram of A part of the utility model.

[0018] Figure 6 is a left view cut structure schematic diagram of the utility model.

[0019] The drawings mark: 1, conveying rotary drum;2, support frame;3, connecting rod;4, chassis;5, threaded rod;6, overturning adjusting motor;7, support;8, support plate;9, feed pipe;10, drive cylinder;11, discharge port;12, motor;13, drive gear;14, baffle;15, support disc;16, support column;17, sliding plate. Specific implementation

[0020] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0021] As Figures 1-6 shown, the utility model provides a kind of spiral conveying equipment used in aluminium electrolysis cell overhaul slag processing system, including support 7;The upper side of support 7 is hinged with support plate 8, the front side of support plate 8 is welded with support disc 15, the front side of support disc 15 is welded with support column 16, the front end of support column 16 is welded with baffle 14, the outer side of baffle 14 is rotatably connected with drive cylinder 10;It also includes chassis 4;The front end of drive cylinder 10 is connected with conveying rotary drum 1 by bolt;The front end of conveying rotary drum 1 is connected with discharge port 11 by bolt, the outer side of conveying rotary drum 1 is rotatably connected with support frame 2, the bottom end of support frame 2 is hinged with connecting rod 3, the bottom end of connecting rod 3 is hinged with sliding plate 17;The upper side of chassis 4 is welded with support 7, the front side of chassis 4 is connected with overturning adjusting motor 6 by bolt, motor shaft of overturning adjusting motor 6 is installed with threaded rod 5, threaded rod 5 outer side is rotatably connected with chassis 4;The rear side of support disc 15 is connected with motor 12 by bolt, motor shaft of motor 12 is installed with drive gear 13, support disc 15 is equipped with through slot, through slot of support disc 15 is welded with feed pipe 9, feed pipe 9 outer side is welded with baffle 14.

[0022] In the embodiment of the present disclosure, the conveying drum 1 is a through drum structure from front to back, and the conveying drum 1 is made of stainless steel. The inner side wall of the conveying drum 1 is provided with a spiral blade. In the process of rotating the conveying drum 1, the spiral blade made of stainless steel rotates synchronously with the conveying drum 1. The spiral blade pushes the aluminum electrolysis cell overhaul slag in the conveying drum 1 to move. The spiral blade and the conveying drum 1 are integrated, which avoids the aluminum electrolysis cell overhaul slag being squeezed and stuck between the inner wall of the conveying drum 1 and the spiral blade, and reduces the wear of the spiral blade.

[0023] In the embodiment of the present disclosure, the driving cylinder 10 is a through cylinder structure from front to back. The inner side surface of the driving cylinder 10 is provided with an inner tooth structure near the rear end. The driving gear 13 is connected to the inner tooth structure of the inner side surface of the driving cylinder 10. The motor 12 drives the conveying drum 1 to rotate as a whole through the driving gear 13 and the gear meshing structure of the inner side surface of the driving cylinder 10.

[0024] In the embodiment of the present disclosure, the chassis 4 is a long rectangular frame structure through from top to bottom. The left side and the right side of the long rectangular frame of the chassis 4 are provided with long strip through grooves through from left to right. The left end and the right end of the sliding plate 17 are respectively inserted into the two groups of long strip through grooves of the chassis 4. The upper side of the sliding plate 17 is attached to the upper side groove wall of the long strip through groove of the chassis 4. The lower side of the sliding plate 17 is attached to the lower side groove wall of the long strip through groove of the chassis 4. The sliding plate 17 is stably moved forward and backward along the long strip through groove of the chassis 4.

[0025] In the embodiment of the present disclosure, the rear side of the sliding plate 17 is provided with a front-to-back through threaded hole. The outer side surface of the threaded rod 5 is threadedly connected to the threaded hole of the sliding plate 17. In the process of driving the threaded rod 5 to rotate by the turnover adjusting motor 6, the sliding plate 17 is driven to move forward or backward. The sliding plate 17 pushes and pulls the upper side hinged connecting rod 3 to perform turnover movement. The connecting rod 3 further drives the conveying drum 1 rotatingly connected to the inner side of the support frame 2 to move up and down. The conveying angle of the conveying drum 1 is adjusted.

[0026] In the embodiment of the present disclosure, the discharge port 11 is a circular ring structure. The inner side surface of the circular ring of the discharge port 11 is a slope structure. When the aluminum electrolysis cell overhaul slag moves to the end of the conveying drum 1, the slope structure of the discharge port 11 facilitates the aluminum electrolysis cell overhaul slag to quickly slide and discharge, avoiding accumulation in the conveying drum 1.

[0027] The specific use mode and effect of the embodiment are as follows:

[0028] The utility model discloses a conveying device for the aluminum electrolysis tank overhaul slag, including the support frame 2, the support frame 2 is connected with the conveying rotary drum 1, the conveying rotary drum 1 is connected with the discharge port 11, the conveying rotary drum 1 is connected with the drive cylinder 10, the drive cylinder 10 is connected with the drive gear 13, the drive gear 13 is connected with the motor 12, the motor 12 is connected with the turnover adjusting motor 6, the conveying rotary drum 1 is connected with the feeding pipe 9, the conveying rotary drum 1 is connected with the sliding plate 17, the sliding plate 17 is connected with the connecting rod 3, the connecting rod 3 is connected with the turnover adjusting motor 6, the conveying rotary drum 1 is connected with the threaded rod 5, the threaded rod 5 is connected with the turnover adjusting motor 6, the conveying rotary drum 1 is connected with the support frame 2.

[0029] The installation mode, connection mode or setting mode of all the components are common mechanical modes, such as welding, threaded connection, screw connection, and the specific structure, model and coefficient index of all the components are self-contained technology, as long as the beneficial effect can be achieved, it can be implemented. The turnover adjusting motor 6 and the motor 12 are common devices on the market, and when purchased, they only need to be connected according to the instruction manual to be used, so it is not repeated here.

[0030] The technical scheme of the utility model is not limited to the scope of the utility model embodiments, and the technical content not described in the utility model is known technology.

Claims

1. A screw conveying device for use in a slag treatment system for overhauling an aluminum electrolytic cell, comprising a support (7); a support plate (8) is hingedly connected to the upper side of the support (7); a support disc (15) is welded to the front side of the support plate (8); a support column (16) is welded to the front side of the support disc (15); a baffle (14) is welded to the front end of the support column (16); and a driving cylinder (10) is rotatably connected to the outer side of the baffle (14); and the characteristics are: The invention also includes a chassis (4); the front end of the driving cylinder (10) is connected to the conveying drum (1) by bolts; the front end of the conveying drum (1) is connected to the discharge port (11) by bolts; the outer side surface of the conveying drum (1) is rotatably connected to the support frame (2); the bottom end of the support frame (2) is hinged with a connecting rod (3); the bottom end of the connecting rod (3) is hinged with a slide plate (17); the upper side surface of the chassis (4) is welded with a support (7); the front side surface of the chassis (4) is connected to the flip adjustment motor (6) by bolts; a threaded rod (5) is installed on the motor shaft of the flip adjustment motor (6); the outer side surface of the threaded rod (5) is rotatably connected to the chassis (4); the rear side surface of the support plate (15) is connected to the motor (12) by bolts; a driving gear (13) is installed on the motor shaft of the motor (12); a through groove is provided on the support plate (15); a feed pipe (9) is welded in the through groove of the support plate (15); and a baffle (14) is welded on the outer side surface of the feed pipe (9).

2. The screw conveying device for use in the aluminum electrolytic cell overhaul slag treatment system according to claim 1, characterized in that: The conveying drum (1) is a cylindrical structure that is through-through from front to back. The conveying drum (1) is made of stainless steel, and spiral blades are provided on the inner side wall of the conveying drum (1).

3. The screw conveying device for use in the slag treatment system for overhauling an aluminum electrolytic cell according to claim 1, characterized in that: The driving cylinder (10) is a cylindrical structure that is through-through from front to back. An inner tooth structure is provided around the inner side surface of the driving cylinder (10) near the rear end, and the driving gear (13) is meshedly connected to the inner tooth structure on the inner side surface of the driving cylinder (10).

4. The screw conveying device for use in the aluminum electrolytic cell overhaul slag treatment system according to claim 1, characterized in that: The base frame (4) is a rectangular frame structure that is passed through from top to bottom. The left side and right side of the rectangular frame of the base frame (4) are both provided with long through grooves that pass through from left to right. The left end and right end of the slide plate (17) are respectively inserted into the two groups of long through grooves of the base frame (4). The upper side of the slide plate (17) is attached to the upper side groove wall of the long through groove of the base frame (4), and the lower side of the slide plate (17) is attached to the lower side groove wall of the long through groove of the base frame (4).

5. The screw conveying device for use in the slag treatment system for overhauling an aluminum electrolytic cell according to claim 1, characterized in that: The rear side surface of the slide plate (17) is provided with a threaded through hole that passes through the front and rear, and the outer side surface of the threaded rod (5) is threadedly engaged with the threaded through hole of the slide plate (17).

6. The screw conveying device for use in the slag treatment system for overhauling an aluminum electrolytic cell according to claim 1, characterized in that: The discharge port (11) is a circular ring frame structure, and the inner side surface of the circular ring frame of the discharge port (11) is a slope structure.

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