Online feeding device of calcining furnace for producing calcined zinc oxide

Abstract

The utility model discloses a calcining furnace on-line feeding device for producing calcined zinc oxide, which comprises a barrel, a spiral feeding rod is rotatably arranged in the barrel, a feeding hopper is arranged at the upper end of one side of the barrel, a discharging pipe is arranged at the lower end of the other side of the barrel, and a mounting seat is arranged on the upper surface of the barrel corresponding to the discharging pipe. Two feeding pressing plates which work alternately are arranged on the upper surface of the mounting base in an up-down sliding mode, and a driving piece for driving the feeding pressing plates to work is arranged on the mounting base. According to the online feeding device of the calcining furnace for producing the calcined zinc oxide, raw materials can be continuously added on line, blockage of the discharging pipe can be avoided, stable conveying of the raw materials is guaranteed, and therefore the production efficiency is improved; in addition, manual anti-blocking intervention is not needed in the raw material conveying process, manpower can be saved, operation safety is high, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of zinc oxide production, in particular to a calcining furnace on -line feeding device for calcining zinc oxide production. BACKGROUND

[0002] The physical method for manufacturing zinc oxide mainly converts zinc ore or zinc waste into zinc oxide through physical means such as mechanical grinding and high-temperature calcination. The specific steps are as follows: 1. Ore preparation: select zinc ore with high zinc content, crush and grind it into powder of a certain fineness; 2. Calcination: calcine the zinc ore powder in a high-temperature furnace to convert the zinc oxide in it into zinc oxide. The calcination temperature and time are key factors affecting the purity and particle size of zinc oxide; 3. Pulverization: the calcined zinc oxide blocks are pulverized and classified to obtain zinc oxide powder of the required particle size.

[0003] When calcining zinc oxide, raw materials need to be continuously added to the high-temperature furnace; the existing raw material adding method is to directly set a storage hopper with a valve at the feeding port of the high-temperature furnace, and to control the delivery of raw materials by controlling the closing of the valve. Although this feeding method is simple, the temperature at the discharge of the storage hopper is high due to the influence of the high-temperature furnace, and part of the raw materials in the storage hopper are agglomerated, which leads to poor flowability and causes blockage, making it impossible to smoothly carry out feeding operations. At this time, manual intervention is required, which wastes manpower, has low operation safety, reduces production efficiency, and is inconvenient to use. SUMMARY

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a calcining furnace on-line feeding device for calcining zinc oxide production, which can continuously add raw materials on-line, can avoid blockage of the discharge pipe, can ensure stable delivery of raw materials, and can improve production efficiency. In addition, no manual anti-blocking intervention is required during raw material delivery, which can save manpower, has high operation safety, is convenient to use, and can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a calcining furnace on-line feeding device for calcining zinc oxide production, comprising a cylinder, a spiral feeding rod is rotatably arranged in the inside of the cylinder, a feeding hopper is arranged on one side of the upper end of the cylinder, a discharge pipe is arranged on the other side of the lower end of the cylinder, an installation seat is arranged on the upper surface of the cylinder corresponding to the discharge pipe, two feeding pressing plates for alternate operation are slidably arranged on the upper surface of the installation seat, and a driving member for driving the operation of the feeding pressing plates is arranged on the installation seat.

[0006] As a preferred technical scheme of the utility model, one end of the cylinder close to the feeding hopper is provided with a servo motor, and the output shaft of the servo motor is connected with one end of the spiral feeding rod through a shaft coupling.

[0007] As a preferred technical scheme of the utility model, the spiral feeding rod is provided with spiral blades on the side away from the servo motor, and the spiral blades are opposite to the blade direction on the spiral feeding rod.

[0008] As a preferred technical scheme of the utility model, the driving member comprises two rotating shafts symmetrically arranged on the upper end of the side surface of the mounting seat, one end of the two rotating shafts is provided with a rotating disc, and the two rotating discs are connected through a crank, and the crank is provided with a connecting rod at the position corresponding to the feeding pressing plate.

[0009] As a preferred technical scheme of the utility model, the side surface corresponding to one of the rotating shafts of the mounting seat is provided with a motor, the output shaft of the motor is provided with a main belt pulley, and the rotating shaft is provided with a secondary belt pulley, and the main belt pulley and the secondary belt pulley are connected through a belt.

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

[0011] The calcination furnace online feeding device for calcined zinc oxide production can continuously add raw materials online, can avoid the blockage of the discharge pipe, can ensure the stable conveying of the raw materials, and can improve the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a left view structural schematic view of Figure 1 ; It is a right view structural schematic view of

[0014] Figure 3 It is a sectional view structural schematic view of Figure 1 ; It is a front view structural schematic view of

[0015] Figure 4 It is a front view of Figure 3 .

[0016] In the drawing: 1, cylinder, 2, feeding hopper, 3, servo motor, 31, spiral feeding rod, 32, spiral blade, 4, discharge pipe, 5, mounting seat, 6, feeding pressing plate, 7, rotating shaft, 71, rotating disc, 72, crank, 73, connecting rod, 8, motor, 81, main belt pulley, 82, secondary belt pulley. DETAILED DESCRIPTION

[0017] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0018] Please refer to Figures 1-4 The present application provides a technical scheme: an on-line feeding device for a calcining furnace for producing calcined zinc oxide, comprising a cylinder 1, a spiral feeding rod 31 rotatably arranged inside the cylinder 1, a feeding hopper 2 arranged on one side of the upper end of the cylinder 1, a discharge pipe 4 arranged on the other side of the lower end of the cylinder 1, a mounting seat 5 arranged on the upper surface of the cylinder 1 corresponding to the discharge pipe 4, two feeding pressing plates 6 arranged on the upper surface of the mounting seat 5 to alternately slide up and down, a driving member arranged on the mounting seat 5 to drive the feeding pressing plates 6 to work, the driving member driving the two feeding pressing plates 6 to alternately move up and down, raw materials entering the inside of the cylinder 1 through the feeding hopper 2, the spiral feeding rod 31 conveying the raw materials when rotating, and the two feeding pressing plates 6 alternately moving up and down to extrude the raw materials downward when the raw materials move to the position of the discharge pipe 4, so that the raw materials are discharged through the discharge pipe 4.

[0019] Further, one end of the cylinder 1 close to the feeding hopper 2 is provided with a servo motor 3, the output shaft of the servo motor 3 is connected with one end of the spiral feeding rod 31 through a shaft coupling, the servo motor 3 drives the spiral feeding rod 31 to rotate, so as to convey the raw materials in the inside of the cylinder 1.

[0020] Further, one side of the spiral feeding rod 31 away from the servo motor 3 is provided with a spiral blade 32, and the spiral blade 32 is opposite to the blade direction on the spiral feeding rod 31, the spiral blade 32 is driven to rotate when the spiral feeding rod 31 rotates, so as to avoid the raw materials entering the end of the cylinder 1 to cause blockage, and facilitate the discharge of the raw materials.

[0021] Further, the driving member comprises two rotating shafts 7 symmetrically arranged on the upper end of the side surface of the mounting seat 5, one end of each of the two rotating shafts 7 is provided with a rotating disc 71, and the two rotating discs 71 are connected through a crank 72, the connecting rod 73 is rotatably arranged on the part corresponding to the feeding pressing plate 6 of the crank 72, and the bottom of the connecting rod 73 is rotatably connected with the top of the feeding pressing plate 6.

[0022] Further, the mounting seat 5 is provided with a motor 8 on the side corresponding to one of the rotating shafts 7, a main pulley 81 is arranged on the output shaft of the motor 8, a secondary pulley 82 is arranged on the rotating shaft 7, the main pulley 81 and the secondary pulley 82 are connected through a belt, the motor 8 drives the main pulley 81 to rotate, the main pulley 81 drives the secondary pulley 82 to rotate through the belt, the secondary pulley 82 drives the rotating disc 71 to rotate through the rotating shaft 7, the rotating disc 71 drives the crank 72 to rotate, the crank 72 drives the two feeding pressing plates 6 to move up and down alternately through the two connecting rods 73 during the rotation, and when the raw material moves to the position of the discharge pipe 4, the two feeding pressing plates 6 that move up and down alternately press the raw material downward, so that the raw material is discharged through the discharge pipe 4.

[0023] The servo motor 3 and the motor 8 used in the utility model are all common electronic elements in the prior art, and the working mode and the circuit structure thereof are all known technologies, which will not be repeated here, and the servo motor 3 and the motor 8 are electrically connected with an external switch group.

[0024] In use:

[0025] The raw material enters into the inside of the cylinder 1 through the feeding hopper 2, the servo motor 3 drives the spiral feeding rod 31 to rotate, so that the raw material is conveyed in the inside of the cylinder 1 and discharged through the discharge pipe 4;

[0026] The motor 8 drives the main pulley 81 to rotate, the main pulley 81 drives the secondary pulley 82 to rotate through the belt, the secondary pulley 82 drives the rotating disc 71 to rotate through the rotating shaft 7, the rotating disc 71 drives the crank 72 to rotate, the crank 72 drives the two feeding pressing plates 6 to move up and down alternately through the two connecting rods 73 during the rotation, and when the raw material moves to the position of the discharge pipe 4, the two feeding pressing plates 6 that move up and down alternately press the raw material downward, so that the raw material is discharged through the discharge pipe 4;

[0027] In addition, the spiral blade 32 opposite to the spiral blade direction of the spiral feeding rod 31 is also driven to rotate when the spiral feeding rod 31 rotates, so that the raw material can be prevented from entering the end of the cylinder 1 to cause blockage, and the discharge of the raw material is facilitated.

[0028] The utility model can continuously add raw materials on line, can also avoid the blockage of the discharge pipe 4, can ensure the stable conveying of the raw materials, can improve the production efficiency, and in addition, manual intervention for preventing blockage is not needed during the conveying of the raw materials, manpower can be saved, the operation safety is high, and the utility model is convenient to use.

[0029] The specific structure, material and working principle of the non-disclosed part in the utility model are not described in detail. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An online feeding device for a calcining furnace used in the production of calcined zinc oxide, comprising a cylinder (1), characterized in that: The cylinder (1) is equipped with a spiral feeding rod (31) that rotates inside. A feeding hopper (2) is provided on the upper end of one side of the cylinder (1), and a discharge pipe (4) is provided on the lower end of the other side of the cylinder (1). A mounting seat (5) is provided on the upper surface of the cylinder (1) corresponding to the discharge pipe (4). Two alternating feeding pressure plates (6) are slidably arranged on the upper surface of the mounting seat (5). A driving component for driving the feeding pressure plates (6) is provided on the mounting seat (5).

2. The online feeding device for a calcining furnace in the production of calcined zinc oxide according to claim 1, characterized in that: The cylinder (1) is equipped with a servo motor (3) at one end near the feed hopper (2), and the output shaft of the servo motor (3) is connected to one end of the screw feed rod (31) through a coupling.

3. The online feeding device for calcining furnace in zinc oxide production according to claim 2, characterized in that: The spiral feed rod (31) has a spiral blade (32) on the side away from the servo motor (3), and the spiral blade (32) is opposite in direction to the blade on the spiral feed rod (31).

4. The online feeding device for a calcining furnace in the production of calcined zinc oxide according to claim 1, characterized in that: The driving component includes two symmetrically arranged rotating shafts (7) on the upper side of the mounting base (5). Each of the two rotating shafts (7) has a turntable (71) at one end, and the two turntables (71) are connected by a crank (72). A connecting rod (73) is rotatably arranged at the part of the crank (72) corresponding to the feeding plate (6). The bottom of the connecting rod (73) is rotatably connected to the top of the feeding plate (6).

5. The online feeding device for a calcining furnace in the production of calcined zinc oxide according to claim 4, characterized in that: The mounting base (5) is provided with a motor (8) on the side corresponding to one of the rotating shafts (7). The output shaft of the motor (8) is provided with a main pulley (81), and the rotating shaft (7) is provided with a secondary pulley (82). The main pulley (81) and the secondary pulley (82) are connected by a belt.

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