Raw material preheating furnace for zinc oxide production

Abstract

The utility model relates to the technical field of zinc oxide production, and discloses a raw material preheating furnace for zinc oxide production, which comprises an outer cylinder, a heating cylinder is arranged in the outer cylinder, the bottom of the outer cylinder is of an inverted conical structure and is connected with a discharge pipe, the heating cylinder is of a double-layer cylinder structure, the outer layer is a heating cavity, the inner layer is a storage cavity, and an annular heating structure is arranged in the heating cavity. The top of the heating cylinder is located on the upper side of the top face of the outer cylinder, a top cover is arranged at the top end of the heating cylinder, a rotating groove is reserved in the middle of the top cover, and conveying grooves are reserved in the left portion and the right portion of the top cover. Compared with the prior art, the zinc oxide raw material heating device has the advantages that the turbine fan blades are driven by the motor to rotate, zinc oxide raw materials entering the heating cylinder from the feeding hopper are blown away into the heating cylinder, the heating speed of the zinc oxide raw materials is increased, and the zinc oxide raw materials scattered in the heating cylinder are heated through the electric heating wire close to the heating cylinder; and the annularly distributed electric heating wires can fully heat the zinc oxide raw material, so that the heating efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of zinc oxide production, in particular to a raw material preheating furnace for zinc oxide production. Background Art

[0002] The raw material preheating furnace for zinc oxide production plays an important role in the zinc oxide production process. This equipment is mainly used to preheat the raw materials in the zinc oxide production process so as to better carry out the next step of processing and reaction. The preheating furnace can heat the raw materials to a suitable temperature in advance, which can speed up the reaction rate, improve production efficiency, shorten the production cycle, and thus increase production capacity. The preheating furnace can ensure that the raw materials reach a suitable temperature, which is conducive to controlling the reaction process, reducing the occurrence of incomplete reactions or side reactions, and thus improving the purity and quality of the product.

[0003] The existing zinc oxide production raw material preheating furnace is usually equipped with a heating device and preheats the zinc oxide raw materials entering the heating furnace. The heating device is usually set in a single setting in the heating furnace, and the heating efficiency of the zinc oxide raw materials is low. In addition, when the zinc oxide raw materials enter the heating furnace, there is no pneumatic mechanism, and the zinc oxide raw materials cannot be completely dispersed in the heating furnace, resulting in insufficient heating of the zinc oxide raw materials, affecting the heating effect. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] The technical problem to be solved by the utility model is that the heating device is usually arranged in a single setting in the heating furnace, and the heating efficiency of the zinc oxide raw material is low. In addition, since there is no pneumatic mechanism when the zinc oxide raw material enters the heating furnace, the zinc oxide raw material cannot be completely dispersed in the heating furnace, resulting in insufficient heating of the zinc oxide raw material, affecting the heating effect.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0008] A raw material preheating furnace for zinc oxide production, comprising an outer cylinder, a heating cylinder arranged inside the outer cylinder, a discharge pipe, a top cover, an annular heating mechanism, a feed hopper, a motor mounting frame, a motor, a rotating shaft, and turbine blades;

[0009] The bottom of the outer cylinder is an inverted cone structure and is connected to a discharge pipe. The heating cylinder is a double-layer cylinder structure, the outer layer is a heating cavity, the inner layer is a storage cavity, an annular heating structure is arranged in the heating cavity, the bottom end of the storage cavity is connected to the inner cavity of the outer cylinder, the top of the heating cylinder is located on the upper side of the top surface of the outer cylinder, and a top cover is arranged on the top of the heating cylinder, a rotating groove is reserved in the middle of the top cover, and a feeding groove is reserved on both the left and right parts, and a feeding hopper matched with the feeding groove is fixed on the top surface of the top cover;

[0010] A motor mounting frame is fixed on the top surface of the top cover, a motor is fixed on the top of the motor mounting frame, the output shaft of the motor passes through the top plate of the motor mounting frame and is fixed with a rotating shaft, the bottom end of the rotating shaft passes through the top cover and is fixedly connected with a turbine blade, the turbine blade is located on the top of the heating cylinder, and the rotating shaft is slidably connected to the rotating groove.

[0011] As an improvement, the annular heating mechanism includes a fixed column, a coil ring, a conductive seat, and an electric heating wire. A fixed column fixed to the inner bottom surface of the heating cylinder is provided in the heating chamber. There are several fixed columns evenly distributed in a circular ring. Several coil rings distributed up and down are fixed between the opposite sides of each fixed column. Several conductive seats are provided on the opposite sides of each coil ring, and an electric heating wire is wound between the upper and lower conductive seats.

[0012] As an improvement, the electric heating wire is close to the inner wall of the heating cylinder.

[0013] As an improvement, the top surface of the feed hopper is provided with an arc-shaped sliding plate that spreads outward.

[0014] As an improvement, the turbine blade is designed with a double-layer structure, the diameter of the lower plate is slightly larger than the diameter of the upper plate, and a plurality of blade plates are provided near the inner wall of the heating cylinder.

[0015] (III) Beneficial effects

[0016] The advantages of the utility model compared with the prior art are:

[0017] The motor drives the turbine blades to rotate, and the zinc oxide raw materials entering the heating cylinder from the feed hopper are blown into the heating cylinder, thereby increasing the heating speed of the zinc oxide raw materials. The zinc oxide raw materials scattered in the heating cylinder are heated by the electric heating wires close to the heating cylinder. The annularly distributed electric heating wires can fully heat the zinc oxide raw materials and improve the heating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the appearance of the utility model.

[0019] Figure 2 It is a schematic diagram of the component composition of the utility model.

[0020] Figure 3 It is a schematic diagram of the structural section of the utility model.

[0021] Figure 4 It is a cross-sectional schematic diagram of some components of the utility model.

[0022] Figure 5 This utility model Figure 2 A partial enlarged diagram of the structure Figure 1 .

[0023] Figure 6This utility model Figure 2 A partial enlarged diagram of the structure Figure 2 .

[0024] Figure 7 This utility model Figure 3 A partial enlarged schematic diagram of the structure.

[0025] As shown in the figure: 1. Outer cylinder; 2. Heating cylinder; 3. Discharge pipe; 4. Top cover; 5. Feed hopper; 6. Motor mounting bracket; 7. Motor; 8. Rotating shaft; 9. Turbine blades; 10. Heating chamber; 11. Storage chamber; 12. Rotating trough; 13. Feed trough; 14. Fixed column; 15. Coil ring; 16. Conductive seat; 17. Electric heating wire; 18. Sliding plate; 19. Blade plate. DETAILED DESCRIPTION

[0026] In the description of the present utility model, it should be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more. In addition, the term "including" and any variation thereof are intended to cover non-exclusive inclusions.

[0027] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0028] Embodiment 1

[0029] Please see attached Figure 1 To Attachment Figure 7As shown, a raw material preheating furnace for zinc oxide production includes an outer cylinder 1, a heating cylinder 2 is arranged inside the outer cylinder 1, the bottom of the outer cylinder 1 is an inverted cone structure, and is connected to a discharge pipe 3, the heating cylinder 2 is a double-layer cylinder structure, the outer layer is a heating chamber 10, and the inner layer is a storage chamber 11, and the heating chamber 10 is provided with a fixed column 14 fixed to the inner bottom surface of the heating cylinder 2, and the fixed column 14 is provided with a plurality of fixed columns 14 and is evenly distributed in a circular ring, and a plurality of coil rings 15 distributed up and down are fixed between the opposite sides of each fixed column 14, and each coil ring 1 5 are provided with a plurality of conductive seats 16 on opposite sides, an electric heating wire 17 is wound between the upper and lower conductive seats 16, the electric heating wire 17 is close to the inner wall of the heating cylinder 2, the bottom end of the storage cavity 11 is connected with the inner cavity of the outer cylinder 1, the top of the heating cylinder 2 is located on the upper side of the top surface of the outer cylinder 1, and a top cover 4 is provided on the top of the heating cylinder 2, a rotating groove 12 is reserved in the middle of the top cover 4, and a feeding groove 13 is reserved on the left and right parts, a feeding hopper 5 matched with the feeding groove 13 is fixed on the top surface of the top cover 4, and an arc-shaped sliding plate 18 spreading outward is provided on the top surface of the feeding hopper 5.

[0030] A motor mounting frame 6 is fixedly provided on the top surface of the top cover 4, a motor 7 is fixedly installed on the top of the motor mounting frame 6, the output shaft of the motor 7 passes through the top plate of the motor mounting frame 6 and is fixed with a rotating shaft 8, the bottom end of the rotating shaft 8 passes through the top cover 4 and is fixedly connected with a turbine blade 9, the turbine blade 9 is located at the top of the heating cylinder 2, the rotating shaft 8 is slidably connected with the rotating groove 12, the turbine blade 9 is a double-layer structure design, the diameter of the lower plate is slightly larger than the diameter of the upper plate, and a number of blade plates 19 are provided near the inner wall of the heating cylinder 2.

[0031] Through the above structure, the turbine blades are driven by a motor to rotate, and the zinc oxide raw materials entering the heating cylinder 2 from the feed hopper 5 are blown into the heating cylinder 2, thereby increasing the heating speed of the zinc oxide raw materials, and the zinc oxide raw materials scattered in the heating cylinder 2 are heated by the electric heating wire 17 close to the heating cylinder 2. The annularly distributed electric heating wire 17 can fully heat the zinc oxide raw materials and improve the heating efficiency.

[0032] During the specific implementation of the utility model: when the zinc oxide raw material needs to be preheated, the zinc oxide raw material is put into the heating cylinder 2 through the feed hopper 5, the driving motor 7 is operated, and the output shaft of the motor 7 drives the rotating shaft 8 to rotate, thereby driving the turbine blades 9 to rotate, and the zinc oxide raw material put into the heating cylinder 2 is quickly blown and scattered in the heating cylinder 2, and the electric heating wire 17 is powered on to heat the heating cylinder 2. The annularly distributed electric heating wire 17 can fully heat the zinc oxide raw material and improve the heating efficiency. After the heated zinc oxide raw material falls into the bottom of the outer cylinder 1, it is transported out of the outer cylinder 1 through the discharge pipe 3 to complete the preheating of the zinc oxide raw material.

[0033] It is worth mentioning that the motor 7, the conductive seat 16, and the electric heating wire 17 in the present invention are all existing equipment well known to those skilled in the art, and their circuit connection methods and use control methods are all existing technologies.

[0034] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A raw material preheating furnace for zinc oxide production, comprising an outer cylinder (1), a heating cylinder (2) being arranged inside the outer cylinder (1), characterized in that: It also includes a discharge pipe (3), a top cover (4), an annular heating mechanism, a feed hopper (5), a motor mounting frame (6), a motor (7), a rotating shaft (8), and turbine blades (9); The bottom of the outer cylinder (1) is an inverted conical structure and is connected to a discharge pipe (3); the heating cylinder (2) is a double-layer cylinder structure, the outer layer is a heating chamber (10), and the inner layer is a material storage chamber (11); an annular heating structure is arranged in the heating chamber (10); the bottom end of the material storage chamber (11) is connected to the inner chamber of the outer cylinder (1); the top of the heating cylinder (2) is located on the upper side of the top surface of the outer cylinder (1); and a top cover (4) is arranged on the top of the heating cylinder (2); a rotating groove (12) is reserved in the middle of the top cover (4); and a material delivery groove (13) is reserved on both the left and right parts; and a feeding hopper (5) matched with the material delivery groove (13) is fixed on the top surface of the top cover (4); A motor mounting frame (6) is fixedly provided on the top surface of the top cover (4), a motor (7) is fixedly installed on the top of the motor mounting frame (6), an output shaft of the motor (7) passes through the top plate of the motor mounting frame (6) and is fixedly provided with a rotating shaft (8), a bottom end of the rotating shaft (8) passes through the top cover (4) and is fixedly connected with a turbine blade (9), the turbine blade (9) is located on the top of the heating cylinder (2), and the rotating shaft (8) is slidably connected with a rotating groove (12).

2. A raw material preheating furnace for zinc oxide production according to claim 1, characterized in that: The annular heating mechanism comprises a fixed column (14), a coil ring (15), a conductive seat (16), and an electric heating wire (17). A fixed column (14) fixed to the inner bottom surface of the heating cylinder (2) is provided in the heating chamber (10). A plurality of fixed columns (14) are provided and are evenly distributed in a circular ring. A plurality of coil rings (15) distributed up and down are fixed between the opposite sides of each fixed column (14). A plurality of conductive seats (16) are provided on the opposite sides of each coil ring (15). The electric heating wire (17) is wound between the upper and lower conductive seats (16).

3. A raw material preheating furnace for zinc oxide production according to claim 2, characterized in that: The electric heating wire (17) is close to the inner wall of the heating cylinder (2).

4. A raw material preheating furnace for zinc oxide production according to claim 1, characterized in that: The top surface of the feed hopper (5) is provided with an arc-shaped sliding plate (18) that spreads outwards.

5. The raw material preheating furnace for zinc oxide production according to claim 1, characterized in that: The turbine blade (9) is designed as a double-layer structure, the diameter of the lower plate is slightly larger than the diameter of the upper plate, and a plurality of blade plates (19) are provided near the inner wall of the heating cylinder (2).

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