Oxygen injection calcining furnace for industrial production of zinc oxide

Abstract

The invention relates to the technical field of zinc oxide production, in particular to an oxygen injection calcining furnace for industrial production of zinc oxide, which comprises a fixed connecting disc, support columns, a fixed support plate, an oxygen injection treatment main body, a detection protection main body and a calcining furnace main body, the oxygen injection treatment main body is arranged on the fixed supporting plate, the detection protection main body is arranged at the upper end of the oxygen injection treatment main body, the upper end of the supporting stand column is connected with the detection protection main body, and the bottom end of the calcining furnace main body is fixed to the detection protection main body through a fixed connecting disc and bolts; the oxygen injection treatment main body comprises a first electromagnetic valve, a sealing support plate and a mixing device, and the sealing support plate is fixed at the upper end of the mixing device through a bolt. According to the invention, through the uniformly arranged mounting vertical frames and the oxygen sensors uniformly and fixedly mounted on the mounting vertical frames, the content of oxygen around the equipment in the using process is detected and monitored in real time, and danger caused by leakage of added oxygen is prevented.

Description

Technical Field

[0001] The invention relates to the technical field of zinc oxide production, in particular to an oxygen injection calcining furnace for industrial production of zinc oxide. Background Art

[0002] A calcining furnace is a device specially used for zinc oxide production. It improves the production efficiency and quality of zinc oxide by injecting oxygen and controlling the calcining conditions.

[0003] The existing Chinese patent publication number is CN210313560U, which is an oxygen-injected calcining furnace for zinc oxide production. The existing technology includes a base, a furnace body, an upper cover and a cooling pipe. The furnace body is installed above the base; the gas mixing chamber is installed in the middle of the lower end of the furnace body; the upper cover is installed above the furnace body; and the cooling pipe is connected to the gas outlet. By arranging an oxygen heating chamber and a gas heating chamber inside the furnace body, and a zinc powder heating chamber inside the upper cover, it can not only play a role in heat insulation, but also preheat oxygen, gas and zinc powder. By arranging vortex plates and gas mixing chambers, oxygen and gas are fully mixed, and gas can be fully burned. By arranging a filter, impurities in zinc oxide vapor are filtered out, thereby improving product quality. By arranging a slag pan, slag can be conveniently collected and cleaned. The oxygen-injected calcining furnace has a simple structure, small footprint, high production efficiency, low production cost, and good quality of zinc oxide, which is suitable for large-scale production by enterprises. The above-mentioned device and the currently used calcining furnace inject and add oxygen for product quality. However, the oxygen and the fuel gas are quickly mixed and immediately transported to the inside of the combustion chamber. The contact time and contact area between the oxygen and the fuel gas are short. At this time, the oxygen and the fuel gas cannot be fully mixed evenly, which greatly reduces the effect of oxygen injection. In addition, during use, the impurities in the oxygen and the fuel gas will affect the preparation of zinc oxide. There are safety hazards in the use of the equipment after oxygen injection. Therefore, a device is needed to solve the above-mentioned problems. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides an oxygen injection calcining furnace for industrial production of zinc oxide.

[0005] The technical solution adopted by the present invention to solve its technical problem is: an oxygen injection calcining furnace for industrial production of zinc oxide, comprising a fixed connecting plate, a supporting column, a fixed supporting plate, an oxygen injection treatment body, a detection and protection body and a calcining furnace body, the supporting columns are evenly and symmetrically fixedly installed on the side ends of the fixed supporting plate, the oxygen injection treatment body is arranged on the fixed supporting plate, the detection and protection body is arranged on the upper end of the oxygen injection treatment body, and the upper end of the supporting column is connected to the detection and protection body, and the bottom end of the calcining furnace body is fixed to the detection and protection body by a fixed connecting plate and bolts.

[0006] Preferably, the oxygen injection treatment body includes a first solenoid valve, a sealing support plate and a mixing device, the sealing support plate is fixed to the upper end of the mixing device by bolts, and the first solenoid valve is fixedly installed in the middle of the sealing support plate.

[0007] Preferably, the mixing device comprises a mixing and cleaning part, an auxiliary mixing part and a motor, the motor is fixedly mounted at the bottom end of the auxiliary mixing part, and the mixing and cleaning part is rotatably arranged inside the auxiliary mixing part.

[0008] Preferably, the auxiliary mixing section includes an inclined conveying hole, a mixing tank, a filter frame, a conveying connecting pipe, a second solenoid valve, a filter screen, a sealing plate and a conveying pipe. The inclined conveying holes are evenly arranged on both sides of the mixing tank, the conveying pipe is fixedly inserted into the inside of the inclined conveying hole, the filter frame is fixedly connected to the outer end of the evenly distributed conveying pipe, the filter screen is arranged inside the filter frame, the sealing plate is sealed and fixed to the side end of the filter frame by bolts, the second solenoid valve is fixedly connected to the middle of the outer end of the filter frame, and the conveying connecting pipe is fixedly connected to the second solenoid valve.

[0009] Preferably, the mixing and cleaning part includes a rotating mounting column, a rotating frame, a disassembly and fixing frame, an auxiliary filter screen and a fixing bolt column. The rotating frame is evenly and fixedly connected to the middle part of the side end of the rotating mounting column. The disassembly and fixing frame is fixed to the inside of the rotating frame by the fixing bolt column, and the auxiliary filter screen is fixedly arranged inside the disassembly and fixing frame.

[0010] Preferably, the detection protection body comprises a conical connecting ring and a fixed mounting plate, and the conical connecting ring is fixedly connected to the bottom end of the fixed mounting plate.

[0011] Preferably, the bottom end of the fixed mounting plate is fixedly connected to the sealing support plate, the fixed connection plate is fixedly connected to the fixed mounting plate, the bottom end of the rotating mounting column is rotatably clamped inside the mixing tank, the driving end of the conveying pipe is fixedly connected to the bottom end of the rotating mounting column, and the first solenoid valve is connected to the inside of the calcining furnace body through a tube body.

[0012] Preferably, a fixed connecting frame is fixedly mounted on the bottom end of the conical connecting ring by bolts, a mounting vertical frame is fixedly connected to the bottom end of the fixed connecting frame, and oxygen sensors are evenly fixedly mounted on the mounting vertical frame.

[0013] Beneficial effects of the present invention: 1. The present invention can synchronously deliver oxygen and fuel gas to the interior of the mixing tank respectively through the delivery connecting pipes arranged on both sides of the mixing tank, and the oxygen and fuel gas can be filtered and impurities removed by the filter net after passing through the interior of the filter frame, and then the gases are delivered to the interior of the mixing tank by the evenly distributed delivery pipes. The delivery pipes are arranged tangentially to the mixing tank, so that the oxygen and fuel gas delivered to the interior of the mixing tank through the delivery pipes can quickly rotate inside the mixing tank to form a vortex, and gas mixing is achieved in the vortex. After the gases enter the interior of the mixing tank and are mixed, the rotating mounting column is driven to rotate by the motor through the reducer, and the rotating rotating mounting column drives the various rotating frames and the disassembly fixing frame to rotate, which not only assists in mixing, but also can assist in intercepting and adhering larger impurities in the mixed gas through the auxiliary filter net, thereby assisting in impurity removal.

[0014] Second, the present invention can detect and monitor the oxygen content around the device in real time during use by evenly arranged mounting frames and evenly fixed oxygen sensors thereon, thereby preventing danger caused by leakage of added oxygen. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from the front perspective; Figure 2 It is a schematic diagram of the main body bottom structure in the present invention; Figure 3 It is a schematic diagram of the main structure of oxygen injection treatment in the present invention; Figure 4 It is a schematic diagram of the bottom structure of the mixing device in the present invention; Figure 5 It is a schematic diagram of the structure of the mixing device in the present invention; Figure 6 It is a schematic diagram of the structure of the auxiliary mixing part in the present invention; Figure 7 It is a schematic diagram of the structure of the mixing and cleaning part in the present invention; Figure 8 It is a schematic diagram of the detection and protection main structure of the present invention.

[0017] In the figure: 1-fixed connection plate, 2-support column, 3-fixed support plate, 4-oxygen injection treatment body, 5-detection and protection body, 6-calcination furnace body, 7-first solenoid valve, 8-sealed support plate, 9-mixing device, 10-mixing and cleaning part, 11-auxiliary mixing part, 12-motor, 13-inclined conveying hole, 14-mixing tank, 15-filter frame, 16-conveying connecting pipe, 17-second solenoid valve, 18-filter screen, 19-sealing plate, 20-conveying pipe, 21-rotating installation column, 22-rotating frame, 23-disassembly fixing frame, 24-auxiliary filter screen, 25-fixed bolt column, 26-oxygen sensor, 27-installation vertical frame, 28-fixed connection frame, 29-conical connecting ring, 30-fixed installation plate. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0019] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0020] The present invention is further described below in conjunction with the accompanying drawings. Example 1

[0021] like Figure 1 and Figure 2As shown, an oxygen injection calcining furnace for industrial production of zinc oxide of the present invention comprises a fixed connecting plate 1, a supporting column 2, a fixed supporting plate 3, an oxygen injection treatment body 4, a detection and protection body 5 and a calcining furnace body 6, the supporting column 2 is evenly and symmetrically fixedly installed on the side end of the fixed supporting plate 3, the oxygen injection treatment body 4 is arranged on the fixed supporting plate 3, the detection and protection body 5 is arranged on the upper end of the oxygen injection treatment body 4, and the upper end of the supporting column 2 is connected to the detection and protection body 5, the bottom end of the calcining furnace body 6 is fixed to the detection and protection body 5 by the fixed connecting plate 1 and bolts, and the supporting column 2 and the fixed supporting plate 3 play a role of fixed support.

[0022] like Figure 3 and Figure 4 As shown, the oxygen injection processing body 4 includes a first solenoid valve 7, a sealing support plate 8 and a mixing device 9. The sealing support plate 8 is fixed to the upper end of the mixing device 9 by bolts. The first solenoid valve 7 is fixedly installed in the middle of the sealing support plate 8. The sealing support plate 8 plays a role of sealing support.

[0023] like Figure 5 As shown, the mixing device 9 includes a mixing and cleaning section 10, an auxiliary mixing section 11 and a motor 12. The motor 12 is fixedly installed at the bottom end of the auxiliary mixing section 11. The mixing and cleaning section 10 is rotatably arranged inside the auxiliary mixing section 11, and the arranged motor 12 plays a driving role.

[0024] like Figure 6 As shown, the auxiliary mixing part 11 includes an inclined conveying hole 13, a mixing tank 14, a filter frame 15, a conveying connecting pipe 16, a second solenoid valve 17, a filter screen 18, a sealing plate 19 and a conveying pipe 20. The inclined conveying holes 13 are evenly arranged on both sides of the mixing tank 14. The conveying pipe 20 is plugged into the interior of the inclined conveying hole 13. The filter frame 15 is fixedly connected to the outer end of the evenly distributed conveying pipe 20. The filter screen 18 is arranged inside the filter frame 15. The sealing plate 19 is sealed and fixed to the side end of the filter frame 15 by bolts. The second solenoid valve 17 is fixedly connected to the outer end of the filter frame 15. The delivery connecting pipe 16 is fixedly connected to the second solenoid valve 17. The delivery connecting pipes 16 arranged on both sides of the mixing tank 14 can respectively and synchronously deliver oxygen and fuel gas to the inside of the mixing tank 14, and the oxygen and fuel gas can be filtered and removed by the filter mesh 18 after passing through the inside of the filter frame 15, and then the gases are delivered to the inside of the mixing tank 14 by the evenly distributed delivery pipes 20. The delivery pipe 20 is arranged tangentially to the mixing tank 14, so that the oxygen and fuel gas delivered to the inside of the mixing tank 14 through the delivery pipe 20 quickly rotate in the inside of the mixing tank 14 to form a vortex, and gas mixing is achieved in the vortex.

[0025] like Figure 7As shown, the mixing and cleaning part 10 includes a rotating mounting column 21, a rotating frame 22, a disassembly fixing frame 23, an auxiliary filter screen 24 and a fixing bolt column 25. There is a sufficient mixing gap between the side end of the rotating frame 22 and the inner wall of the mixing tank 14. The rotating frame 22 is evenly fixedly connected to the middle part of the side end of the rotating mounting column 21. The disassembly fixing frame 23 is fixed to the inside of the rotating frame 22 by the fixing bolt column 25. The auxiliary filter screen 24 is fixedly arranged inside the disassembly fixing frame 23. The rotating rotating mounting column 21 drives each rotating frame 22 and the disassembly fixing frame 23 to rotate, which not only assists in mixing, but also can assist in intercepting and adhering larger impurities in the mixed gas through the auxiliary filter screen 24, thereby assisting in impurity removal.

[0026] like Figure 8 As shown, the detection protection body 5 includes a conical connection ring 29 and a fixed installation plate 30. The conical connection ring 29 is fixedly connected to the bottom end of the fixed installation plate 30 to play a role of fixed connection.

[0027] The bottom end of the fixed mounting disk 30 is fixedly connected to the sealing support plate 8, the fixed connection disk 1 is fixedly connected to the fixed mounting disk 30, the bottom end of the rotating mounting column 21 is rotatably clamped in the interior of the mixing tank 14, the driving end of the delivery pipe 20 is fixedly connected to the bottom end of the rotating mounting column 21, and the first solenoid valve 7 is connected to the interior of the calcining furnace body 6 through the tube body, so that the mixed gas can be quantitatively delivered.

[0028] The working principle of embodiment 1 is as follows: oxygen and fuel gas can be synchronously transported to the interior of the mixing tank 14 through the transport connecting pipes 16 arranged on both sides of the mixing tank 14, and the oxygen and fuel gas can be filtered and removed by the filter screen 18 after passing through the interior of the filter frame 15, and then the gases are transported to the interior of the mixing tank 14 by the evenly distributed transport pipes 20. The transport pipes 20 are arranged tangentially to the mixing tank 14, so that the oxygen and fuel gas transported to the interior of the mixing tank 14 through the transport pipes 20 quickly rotate in the interior of the mixing tank 14 to form a vortex, and gas mixing is achieved in the vortex. After the gases enter the interior of the mixing tank 14 and are mixed, the rotating mounting column 21 is driven to rotate by the motor 12 through the reducer, and the rotating rotating mounting column 21 drives each rotating frame 22 and the disassembly fixing frame 23 to rotate, which not only assists in mixing, but also can assist in intercepting and adhering larger impurities in the mixed gas through the auxiliary filter screen 24, thereby assisting in removing impurities. The mixed gas can be transported to the interior of the calcining furnace body 6 through the first solenoid valve 7 and the tube body connected to the first solenoid valve 7; By screwing the bolts on the connecting plate 1, the calcining furnace body 6 can be separated from the oxygen injection treatment body 4 and the detection and protection body 5 at the bottom, so that the oxygen injection treatment body 4, the detection and protection body 5 and the calcining furnace body 6 can be easily and quickly inspected and replaced. During use, the gas delivery volume and speed can be conveniently adjusted and controlled through the various valve bodies set. Example 2

[0029] On the basis of Example 1, Figure 8 As shown, a fixed connecting frame 28 is fixedly installed at the bottom end of the conical connecting ring 29 by bolts, a mounting vertical frame 27 is fixedly connected to the bottom end of the fixed connecting frame 28, and an oxygen sensor 26 is evenly fixedly installed on the mounting vertical frame 27.

[0030] When implementing this embodiment, by evenly disposing the mounting brackets 27 and evenly fixing the oxygen sensors 26 thereon, the oxygen content around the device can be detected and monitored in real time during use, thereby preventing the added oxygen from leaking and causing danger.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oxygen injection calcining furnace for industrial production of zinc oxide, comprising a fixed connection plate (1), a support column (2), a fixed support plate (3), an oxygen injection treatment body (4), a detection and protection body (5) and a calcining furnace body (6), characterized in that: The support columns (2) are evenly and symmetrically fixedly mounted on the side ends of the fixed support plate (3); the oxygen injection treatment body (4) is arranged on the fixed support plate (3); the detection and protection body (5) is arranged on the upper end of the oxygen injection treatment body (4); and the upper end of the support columns (2) is connected to the detection and protection body (5); and the bottom end of the calcining furnace body (6) is fixed to the detection and protection body (5) by a fixed connection plate (1) and bolts.

2. The oxygen injection calcining furnace for industrial production of zinc oxide according to claim 1, characterized in that: The oxygen injection treatment body (4) comprises a first solenoid valve (7), a sealing support plate (8) and a mixing device (9); the sealing support plate (8) is fixed to the upper end of the mixing device (9) by bolts, and the first solenoid valve (7) is fixedly mounted in the middle of the sealing support plate (8).

3. The oxygen injection calcining furnace for industrial production of zinc oxide according to claim 2, characterized in that: The mixing device (9) comprises a mixing and cleaning section (10), an auxiliary mixing section (11) and a motor (12); the motor (12) is fixedly mounted at the bottom end of the auxiliary mixing section (11); and the mixing and cleaning section (10) is rotatably arranged inside the auxiliary mixing section (11).

4. The oxygen injection calcining furnace for industrial production of zinc oxide according to claim 3, characterized in that: The auxiliary mixing section (11) comprises an inclined conveying hole (13), a mixing tank (14), a filter frame (15), a conveying connection pipe (16), a second solenoid valve (17), a filter screen (18), a sealing plate (19) and a conveying pipe (20); the inclined conveying hole (13) is evenly arranged on both sides of the mixing tank (14); the conveying pipe (20) is plugged into the interior of the inclined conveying hole (13); the filter frame (15) is fixedly connected to the outer end of the evenly arranged conveying pipe (20); the filter screen (18) is arranged inside the filter frame (15); the sealing plate (19) is sealed and fixed to the side end of the filter frame (15) by bolts; the second solenoid valve (17) is fixedly connected to the middle of the outer end of the filter frame (15); and the conveying connection pipe (16) is fixedly connected to the second solenoid valve (17).

5. The oxygen injection calcining furnace for industrial production of zinc oxide according to claim 4, characterized in that: The mixing and cleaning section (10) comprises a rotating mounting column (21), a rotating frame (22), a disassembly fixing frame (23), an auxiliary filter screen (24) and a fixing bolt column (25); the rotating frame (22) is evenly fixedly connected to the middle part of the side end of the rotating mounting column (21); the disassembly fixing frame (23) is fixed inside the rotating frame (22) by means of the fixing bolt column (25); and the auxiliary filter screen (24) is fixedly arranged inside the disassembly fixing frame (23).

6. The oxygen injection calcining furnace for industrial production of zinc oxide according to claim 5, characterized in that: The detection protection body (5) comprises a conical connection ring (29) and a fixed installation plate (30), wherein the conical connection ring (29) is fixedly connected to the bottom end of the fixed installation plate (30).

7. The oxygen injection calcining furnace for industrial production of zinc oxide according to claim 6, characterized in that: The bottom end of the fixed mounting plate (30) is fixedly connected to the sealing support plate (8), the fixed connection plate (1) is fixedly connected to the fixed mounting plate (30), the bottom end of the rotating mounting column (21) is rotatably clamped inside the mixing tank (14), the driving end of the delivery pipe (20) is fixedly connected to the bottom end of the rotating mounting column (21), and the first solenoid valve (7) is connected to the inside of the calcining furnace body (6) through a pipe body.

8. The oxygen injection calcining furnace for industrial production of zinc oxide according to claim 7, characterized in that: A fixed connecting frame (28) is fixedly mounted on the bottom end of the conical connecting ring (29) by means of bolts, a mounting vertical frame (27) is fixedly connected to the bottom end of the fixed connecting frame (28), and oxygen sensors (26) are evenly fixedly mounted on the mounting vertical frame (27).

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