Air pipe with adjustable air intake for zinc oxide conductive powder heating furnace

Abstract

The utility model discloses a kind of ventilation pipes of zinc oxide conductive powder heating furnace with adjustable air intake, it is related to zinc oxide conductive powder heating technical field, including conical block, ventilation pipe and delivery pipe, the top end of the conical block is connected with ventilation pipe of longitudinal section as inverted trapezoidal structure, the outer end of the ventilation pipe is evenly distributed with gas outlet, the bottom end of the conical block is connected with spiral pipe, the bottom end of the spiral pipe is connected with delivery pipe, the left end of the delivery pipe is equidistantly provided with air inlet, the top end of the delivery pipe is fixed with mounting disc, the right side of the mounting disc is fixed with motor, the output of the motor is fixed with screw rod, the bottom end of the screw rod is rotatably mounted on receiving seat, the receiving seat is fixed on delivery pipe, the right side of the receiving seat is provided with limit tube. The ventilation pipe of zinc oxide conductive powder heating furnace with adjustable air intake, can make the air flow rate in furnace more uniform, can expand the adjustment range of air intake.

Description

Technical Field

[0001] This utility model relates to the field of zinc oxide conductive powder heating technology, specifically to a vent pipe for a zinc oxide conductive powder heating furnace with adjustable air intake. Background Technology

[0002] Currently, in the field of zinc oxide production, traditional calcination equipment has many problems that urgently need to be solved. In the existing oxygen injection calcination equipment for zinc oxide production, air enters the upper furnace directly from the gas supply pipe. The excessively fast air flow rate will lead to increased resistance and increased pressure difference in the upper furnace, resulting in uneven air flow. This causes zinc to not be able to fully and evenly contact oxygen, which greatly affects the calcination effect, resulting in low product purity and unstable performance. Therefore, it is necessary to install a gas pipe in the heating furnace that can ensure uniform air flow and adjustable air intake.

[0003] Chinese Patent CN222635211U discloses an oxygen injection calcination device for zinc oxide production. The technical solution includes an upper furnace and a lower furnace, with the upper furnace fixedly connected to the top of the lower furnace. It also includes a telescopic pipe and a connecting pipe fixedly connected between the upper and lower furnaces. An air inlet pipe and an air outlet pipe are fixedly connected to the lower furnace. A heating component for heating air is installed inside the lower furnace, and an adjustment component for regulating the air intake of the air inlet pipe is fixedly installed on one side of the lower furnace. This invention heats the air entering the upper furnace, avoiding incomplete or insufficient reaction due to low air temperature, thereby improving the utilization rate of zinc oxide production. Simultaneously, it ensures uniform air flow within the upper furnace, allowing for uniform contact between zinc and air, improving the calcination effect, and allows for adjustment of the air intake of the air inlet pipe, meeting the requirements for calcination equipment in zinc oxide production.

[0004] Based on existing solutions and actual production and processing applications, the gas flow uniformity of the existing adjustable gas inlet pipe for zinc oxide conductive powder heating furnace needs improvement, and the number of air inlets on the inlet pipe is limited, resulting in a small range of adjustable gas flow. Therefore, we propose an adjustable gas inlet pipe for zinc oxide conductive powder heating furnace to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this utility model is to provide a vent pipe for a zinc oxide conductive powder heating furnace with adjustable air intake, so as to solve the problems mentioned in the background art, such as the need to improve the uniformity of gas flow and the limited number of air inlets on the vent pipe, which results in a small range of adjustable air intake.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a vent pipe for a zinc oxide conductive powder heating furnace with adjustable air intake, comprising a conical block, a vent pipe, and a conveying pipe:

[0007] The top of the conical block is connected to a vent pipe with an inverted trapezoidal cross section, and the outer end of the vent pipe has evenly distributed air outlets.

[0008] The bottom end of the conical block is connected to a spiral tube, the bottom end of the spiral tube is connected to a conveying pipe, the left end of the conveying pipe has air inlets at equal intervals, the top end of the conveying pipe is fixed to a mounting plate, the right side of the mounting plate is fixed to a motor, the output end of the motor is fixed to a screw, the bottom end of the screw is rotatably mounted on a receiving seat, the receiving seat is fixed to the conveying pipe, the right side of the receiving seat is provided with a limit tube, the outer end of the screw is threadedly connected to a moving plate, and the left side of the moving plate is fixed to a telescopic tube.

[0009] Preferably, the diameter of the air outlets on the vent pipe gradually increases from bottom to top, resulting in a more uniform airflow between the upper and lower parts of the furnace.

[0010] Preferably, the bottom end of the limiting tube is fixedly installed on the conveying pipe, and the longitudinal section of the conveying pipe is an "L" shaped structure. An air inlet is provided in the longer part of the conveying pipe, so that more air inlets can be provided without occupying more space.

[0011] Preferably, a limiting tube runs through the interior of the movable plate, thereby limiting the movement trajectory of the movable plate.

[0012] Preferably, the movable plate forms a lifting structure with the conveying pipe via a screw, and the position of the end of the telescopic pipe is adjusted by adjusting the position of the movable plate.

[0013] Preferably, the top end of the telescopic tube is glued to the bottom end of the mounting plate to facilitate the connection between the telescopic tube and the mounting plate.

[0014] Preferably, the inner side of the moving plate is in contact with the outer side of the conveying pipe to prevent air leakage between the moving plate and the conveying pipe.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the air pipe for the zinc oxide conductive powder heating furnace with adjustable air intake can make the air flow rate in the upper furnace more uniform and can expand the adjustment range of air intake.

[0016] 1. The outer end of the vent pipe has evenly distributed air outlets. The diameter of the air outlets on the vent pipe gradually increases from bottom to top. The inverted trapezoidal structure of the vent pipe and the gradually increasing diameter of the air outlets from bottom to top can make the air flow velocity in the upper furnace more uniform.

[0017] 2. The amount of air intake is adjusted by adjusting the number of air inlets exposed through the adjustment structure consisting of a motor, screw, receiving seat, limiting tube, moving plate and telescopic tube;

[0018] Because the longitudinal section of the delivery pipe is an "L" shape and the air inlets are distributed in the longer part of the delivery pipe, more air inlets can be set, thereby expanding the adjustment range of the air intake. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the first axial side structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the connection structure between the conical block and the vent pipe of this utility model;

[0021] Figure 3 This is a schematic diagram of the connection structure between the movable plate and the conveying pipe of this utility model;

[0022] Figure 4 This is a schematic diagram of the second axial side structure of the present invention;

[0023] Figure 5 This is a schematic diagram of the third axial side structure of this utility model.

[0024] In the diagram: 1. Conical block; 2. Vent pipe; 3. Air outlet; 4. Spiral tube; 5. Conveying pipe; 6. Air inlet; 7. Mounting plate; 8. Motor; 9. Screw; 10. Receiver; 11. Limiting tube; 12. Moving plate; 13. Telescopic tube. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-5 The existing gas inlet pipes for zinc oxide conductive powder heating furnaces with adjustable air intake have limitations in terms of gas flow uniformity and the limited number of air inlets on the inlet pipe, resulting in a small range of adjustable air intake. To solve this technical problem, this embodiment discloses the following technical content.

[0027] It includes a conical block 1, a vent pipe 2, an air outlet 3, a spiral pipe 4, a conveying pipe 5, an air inlet 6, a mounting plate 7, a motor 8, a screw 9, a receiving seat 10, a limiting pipe 11, a moving plate 12, and a telescopic pipe 13;

[0028] The top of the cone block 1 is connected to a vent pipe 2 with an inverted trapezoidal cross section, the bottom of the cone block 1 is connected to a spiral tube 4, and a gas flow channel is opened in the middle of the cone block 1. The cone block 1 is connected to the vent pipe 2 and the spiral tube 4 through the gas flow channel.

[0029] The bottom end of the spiral tube 4 is connected to the conveying pipe 5. The longitudinal section of the conveying pipe 5 is an "L" shaped structure. The left end of the conveying pipe 5 is provided with air inlets 6 at equal intervals. Outside air enters the interior of the conveying pipe 5 through the air inlets 6, and then flows to the spiral tube 4. From the spiral tube 4, it flows to the conical block 1 and the ventilation pipe 2. The outer end of the ventilation pipe 2 is evenly distributed with air outlets 3. The gas flows out from the air outlets 3. Since the longitudinal section of the ventilation pipe 2 is an inverted trapezoidal structure, and the diameter of the air outlets 3 set on the ventilation pipe 2 gradually increases from bottom to top, the air velocity decreases after passing through the ventilation pipe, ensuring that the air velocity in the upper furnace is more uniform.

[0030] A mounting plate 7 is fixed to the top of the conveying pipe 5. A motor 8 is fixed to the right side of the mounting plate 7. A screw 9 is fixed to the output end of the motor 8. The bottom end of the screw 9 is rotatably mounted on the receiving seat 10. The receiving seat 10 is fixed to the conveying pipe 5. A limit tube 11 is provided on the right side of the receiving seat 10. A moving plate 12 is threaded to the outer end of the screw 9. A telescopic tube 13 is fixed to the left side of the moving plate 12. The bottom end of the limit tube 11 is fixed to the conveying pipe 5. The limit tube 11 passes through the inside of the moving plate 12. The moving plate 12 and the conveying pipe 5 form a lifting structure through the screw 9. The inner side of the moving plate 12 is in contact with the outer side of the conveying pipe 5.

[0031] When the air intake needs to be adjusted, the controller starts the motor 8, which drives the screw 9 to rotate clockwise or counterclockwise, thereby raising or lowering the moving plate 12. The moving trajectory of the moving plate 12 is limited by the limit tube 11. The moving plate 12 moves the telescopic tube 13 to control how much of the air intake port 6 is exposed, thereby controlling the air intake. Since the longitudinal section of the conveying pipe 5 is an "L" shaped structure, the air intake port 6 is distributed on the longer part of the conveying pipe 5, thereby expanding the distribution of the air intake port 6 without occupying space, thus expanding the range of adjustable air intake.

[0032] The above completes a series of operations for the vent pipe of the adjustable-intake zinc oxide conductive powder heating furnace. The contents not described in detail in this instruction are existing technologies known to those skilled in the art.

[0033] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A vent pipe for a zinc oxide conductive powder heating furnace with adjustable air intake, comprising a conical block (1), a vent pipe (2), and a conveying pipe (5), characterized in that: The top of the conical block (1) is connected to a vent pipe (2) with an inverted trapezoidal longitudinal section, and the outer end of the vent pipe (2) has air outlets (3) evenly distributed. The bottom end of the conical block (1) is connected to a spiral tube (4), the bottom end of the spiral tube (4) is connected to a conveying pipe (5), the left end of the conveying pipe (5) is provided with air inlets (6) at equal intervals, the top end of the conveying pipe (5) is fixed with a mounting plate (7), the right side of the mounting plate (7) is fixed with a motor (8), the output end of the motor (8) is fixed with a screw (9), the bottom end of the screw (9) is rotatably mounted on a receiving seat (10), the receiving seat (10) is fixed on the conveying pipe (5), the right side of the receiving seat (10) is provided with a limit tube (11), the outer end of the screw (9) is threadedly connected with a moving plate (12), the left side of the moving plate (12) is fixed with a telescopic tube (13).

2. The vent pipe for a zinc oxide conductive powder heating furnace with adjustable air intake according to claim 1, characterized in that: The diameter of the air outlet (3) on the vent pipe (2) gradually increases from bottom to top.

3. The air inlet pipe for a zinc oxide conductive powder heating furnace with adjustable air inlet volume according to claim 1, characterized in that: The bottom end of the limiting tube (11) is fixedly installed on the conveying pipe (5), and the longitudinal section of the conveying pipe (5) is an "L" shaped structure.

4. The air inlet pipe for a zinc oxide conductive powder heating furnace with adjustable air inlet volume according to claim 1, characterized in that: The movable plate (12) has a limiting tube (11) running through its interior.

5. The air inlet pipe for a zinc oxide conductive powder heating furnace with adjustable air inlet volume according to claim 1, characterized in that: The movable plate (12) forms a lifting structure with the conveying pipe (5) via the screw (9).

6. The air inlet pipe for a zinc oxide conductive powder heating furnace with adjustable air inlet volume according to claim 1, characterized in that: The top end of the telescopic tube (13) is attached to the bottom end of the mounting plate (7).

7. The air inlet pipe for a zinc oxide conductive powder heating furnace with adjustable air inlet volume according to claim 1, characterized in that: The inner side of the moving plate (12) is in contact with the outer side of the conveying pipe (5).

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