Zinc oxide heating furnace

Abstract

The utility model provides a zinc oxide heating furnace, which relates to the technical field of heating furnaces and comprises a heating furnace body, the top end of the heating furnace body is communicated with a zinc steam outlet pipe, and the bottom end of the heating furnace body is communicated with a slag discharge pipe. According to the utility model, the knocking rod is automatically pushed to knock the slag guide hopper through the mechanical movement of the electric push rod so as to assist in guiding slag, so that the automatic treatment greatly reduces the requirement of manual intervention and improves the operation efficiency and the continuous production capacity, and the movement of the knocking rod assists in vibrating the slag guide hopper, effectively removes the slag from the surface of the slag guide hopper, and reduces the labor intensity of workers. According to the utility model, the furnace body is provided with the slag accumulation device, so that the residue of the slag is reduced, the furnace body blockage and the heat efficiency reduction possibly caused by the slag accumulation are prevented, the furnace body cleaning is favorably maintained, the service life of the equipment is prolonged, the local overheating or non-uniform heating possibly caused by the slag accumulation is reduced, and the quality consistency and the production efficiency of final products are favorably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heating furnaces, in particular to a zinc oxide heating furnace. Background Art

[0002] Zinc oxide is a zinc oxide, and there are many methods for its preparation. One of the preparation methods is: using zinc concentrate as raw material, high-temperature oxidation roasting and then adding coal to reduce it to zinc vapor, and the zinc vapor is oxidized with hot air to obtain zinc oxide. In the above preparation process, a heating furnace is required to perform high-temperature oxidation roasting on the raw materials.

[0003] Publication No. CN209101796U discloses a heating furnace for zinc oxide production that is easy to load, including a furnace body, the inner walls of the four sides of the furnace body are welded with a same loading plate near the bottom, and the top outer wall of the loading plate is provided with slag leakage holes distributed at equal distances, the top outer wall of the loading plate is welded with tops distributed at equal distances, and the tops and the slag leakage holes are distributed alternately, a rectangular hole is opened on the outer wall of one side of the furnace body, and a topless discharge box is inserted in the rectangular hole, a square hole is opened on the bottom outer wall of the discharge box, and a discharge grid is welded on the inner wall of the square hole, and the A strip hole is opened near the bottom of the outer wall of one side of the discharge box, and a discharge plate is inserted in the strip hole, a strip plate is welded on the outer wall of one side of the discharge plate, and the strip plate is located outside the discharge box, two first draw handles are welded in the middle of the outer wall of one side of the strip plate, and a second draw handle is welded at the center of the outer wall of one side of the discharge box, both inner walls of the furnace body are welded with strip rails, and the outer walls on the opposite sides of the two strip rails are opened with chutes, both outer walls of the discharge box are welded with sliders, and one end of the two sliders is inserted in the two chutes. Although this type of heating furnace can ensure uniform material discharge during material discharge, it will not cause more raw materials in some places and less in some places in the furnace body, thereby improving the practicality of the heating furnace. The slag in this type of heating furnace is discharged through the slag guide bucket, but it is easy to remain in the slag guide bucket during the slag discharge process. In particular, when the slag is sticky or agglomerated at high temperature, it may affect the normal operation of the furnace body, increase the frequency and difficulty of cleaning and maintenance work, and thus reduce the overall operating efficiency and safety. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0005] The utility model adopts the following technical scheme: a zinc oxide heating furnace, comprising a heating furnace body, the top end of the heating furnace body is connected to a zinc vapor outlet pipe, the bottom end of the heating furnace body is connected to a slag discharge pipe, a slag guide bucket is fixedly installed on the inner wall of the heating furnace body, a sliding rod is penetrated through the bottom surface of the heating furnace body, the sliding rod is slidably connected to the heating furnace body, a knocking rod is fixedly installed on one end of the sliding rod, a cross plate is fixedly installed on the other end of the sliding rod, an electric push rod is fixedly installed on the bottom surface of the heating furnace body, a long plate is installed on the output end of the electric push rod, a protrusion is fixedly installed on the bottom surface of the long plate, and a tension spring is sleeved on the surface of the sliding rod.

[0006] Preferably, the number of the slag guiding buckets is two groups, and the two groups of slag guiding buckets are symmetrically distributed on the inner wall of the heating furnace body.

[0007] Preferably, the protrusions are arranged at equal distances on the bottom surface of the long board, and the protrusions are semicircular structures.

[0008] Preferably, the bottom surface of the heating furnace body is fixedly mounted with legs, and the legs are evenly distributed on the bottom surface of the heating furnace body. Here, the heating furnace body can be stably supported.

[0009] Preferably, one end of the tension spring is fixedly connected to the heating furnace body, and the other end of the tension spring is fixedly connected to the horizontal plate. Here, the tension spring can be stably installed.

[0010] Preferably, the inner wall of the heating furnace body is provided with a placement groove, the inner wall of the placement groove is slidably connected with a material placement plate, the surface of the material placement plate is provided with a slag leakage hole, a long rod is penetrated through the inner wall of the material placement plate, the long rod is slidably connected with the material placement plate, one end of the long rod is fixedly installed with a connecting plate, and the bottom surface of the connecting plate is fixedly installed with a scraper. Here, the residual raw materials on the material placement plate can be removed.

[0011] Preferably, the slag leakage holes are evenly distributed on the surface of the material placing plate.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. The utility model automatically pushes the knocking rod to knock the slag guide bucket through the mechanical movement of the electric push rod, thereby assisting in the discharge of slag. Such automated processing greatly reduces the need for manual intervention, improves operating efficiency and the ability of continuous production, and the movement of the knocking rod helps to vibrate the slag guide bucket, effectively removing the slag from the surface of the slag guide bucket and reducing the residue of slag. This not only prevents the possible blockage of the furnace body and the decrease in thermal efficiency caused by the accumulation of slag, but also helps to maintain the cleanliness of the furnace body, extend the service life of the equipment, and reduce local overheating or uneven heating that may be caused by the accumulation of slag, thereby helping to improve the quality consistency and production efficiency of the final product.

[0014] 2. The utility model can effectively remove residual raw materials on the loading plate through the scraper, which not only reduces the waste of raw materials, but also ensures the clean state at the beginning of each production cycle, which helps to maintain the consistency of product quality. By scraping regularly and thoroughly, potential problems caused by residual raw materials, such as internal contamination of the furnace body or uneven roasting, are reduced, thereby extending the service life of the furnace body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of a zinc oxide heating furnace is provided for the utility model;

[0016] Figure 2 A cross-sectional view of a zinc oxide heating furnace is provided for the utility model;

[0017] Figure 3 A zinc oxide heating furnace is proposed for the utility model Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 An exploded diagram of a zinc oxide heating furnace is proposed for the utility model;

[0019] Figure 5 A zinc oxide heating furnace is proposed for the utility model Figure 4 Enlarged view of point B in the middle.

[0020] Legend:

[0021] 1. Heating furnace body; 2. Zinc vapor outlet pipe; 3. Slag discharge pipe; 4. Slag guide bucket; 5. Slide rod; 6. Knocking rod; 7. Horizontal plate; 8. Electric push rod; 9. Long plate; 10. Bump; 11. Support leg; 12. Tension spring; 13. Placement slot; 14. Material placement plate; 15. Slag leakage hole; 16. Long rod; 17. Connecting plate; 18. Scraper. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1

[0025] See also Figure 1-5The utility model provides a technical solution: a zinc oxide heating furnace, comprising a heating furnace body 1, the bottom surface of the heating furnace body 1 is fixedly installed with legs 11, and the legs 11 are evenly distributed on the bottom surface of the heating furnace body 1. The legs 11 can be installed by bolting or welding to provide stable support and reduce structural vibration. The top of the heating furnace body 1 is connected with a zinc vapor outlet pipe 2, and the bottom of the heating furnace body 1 is connected with a slag discharge pipe 3. Both the zinc vapor outlet pipe 2 and the slag discharge pipe 3 are flange-connected, which is convenient for installation and maintenance, while ensuring sealing and high temperature resistance. The inner wall of the heating furnace body 1 is fixedly installed with a slag guide hopper 4, and the number of the slag guide hoppers 4 is two groups. The two groups of slag guide hoppers 4 are symmetrically distributed on the inner wall of the heating furnace body 1. This symmetrical arrangement helps to evenly distribute the flow direction of the slag material and reduce blockage and wear. The slag guide hopper 4 can be installed by welding or bolting to ensure firmness under high temperature operating conditions. The bottom surface of the heating furnace body 1 is penetrated by a slide bar 5, which is slidably connected to the heating furnace body 1. This sliding connection can be achieved by a linear bearing or a guide rail system to ensure smooth sliding and low friction. A knocking rod 6 is fixedly installed at one end of the slide bar 5, and a cross plate 7 is fixedly installed at the other end of the slide bar 5. The connection between the knocking rod 6 and the cross plate 7 adopts a fastening screw, which allows easy disassembly and replacement when necessary, and is convenient for maintenance.

[0026] See also Figure 1-5 , an electric push rod 8 is fixedly installed on the bottom surface of the heating furnace body 1, and a long plate 9 is installed on the output end of the electric push rod 8. The electric push rod 8 is a key component of automatic control, and can be made of high-performance alloy material to withstand long-term high temperature and mechanical load. A bump 10 is fixedly installed on the bottom surface of the long plate 9. The bumps 10 are arranged at equal distances on the bottom surface of the long plate 9. The bumps 10 are semicircular structures, and their materials can be selected from wear-resistant materials such as hardened steel to reduce wear. This equidistant arrangement helps to transmit force evenly and improve the knocking effect. A tension spring 12 is sleeved on the surface of the slide bar 5, one end of the tension spring 12 is fixedly connected to the heating furnace body 1, and the other end of the tension spring 12 is fixedly connected to the cross plate 7. The tension spring 12 can be made of high elastic material to ensure that it can still maintain good elasticity after repeated stretching, which helps to ensure the rapid return and continuous working performance of the knocking rod 6.

[0027] Embodiment 2

[0028] See also Figure 4-5The inner wall of the heating furnace body 1 is provided with a placement groove 13, and the inner wall of the placement groove 13 is slidably connected with a material placement plate 14. The slag holes 15 on the material placement plate 14 are evenly distributed on the surface of the material placement plate 14. This design allows waste and slag to be discharged through the slag holes 15 during high-temperature oxidation roasting to prevent blockage and accumulation. The slag holes 15 can be designed in a circular or square shape to improve the fluidity and cleaning efficiency of the material. A long rod 16 is provided through the inner wall of the material placement plate 14, and the long rod 16 is slidably connected to the material placement plate 14. This sliding connection can be achieved by a slide rail or a ball bearing to reduce friction and increase the smoothness of movement. A connecting plate 17 is fixedly installed at one end of the long rod 16, and a scraper 18 is fixedly installed on the bottom surface of the connecting plate 17. This fixing method can be welded or bolted to ensure the stability and durability of the scraper 18 during operation.

[0029] Working principle: Pull out the material placing plate 14, then lay the raw material flat on the material placing plate 14, then push the material placing plate 14 into the heating furnace body 1 to carry out high-temperature oxidation roasting, and after the high-temperature oxidation roasting is completed, turn on the electric push rod 8, the electric push rod 8 can then drive the long plate 9 to move, the long plate 9 can then drive the protrusion 10 to move, during the movement of the protrusion 10, the cross plate 7 can be squeezed downward, the cross plate 7 then drives the slide bar 5 to move and stretch the tension spring 12, the slide bar 5 then drives the knocking rod 6 away from the slag guide bucket 4, and the protrusion 10 moves to away from the cross plate 7. When the plate 7 is in the position, due to the tension of the tension spring 12, the tension spring 12 can pull the cross plate 7 to move, and the cross plate 7 can then drive the slide bar 5 to move, and the slide bar 5 then drives the knocking rod 6 to hit the slag guide bucket 4, so that the slag attached to the surface of the slag guide bucket 4 can be assisted to be discharged, and the slag residue is prevented from accumulating on the surface of the slag guide bucket 4. The utility model automatically pushes the knocking rod 6 to knock the slag guide bucket 4 through the mechanical movement of the electric push rod 8, thereby assisting in the discharge of the slag. Such automated processing greatly reduces the need for manual intervention and improves the operating efficiency and the ability of continuous production. , and the movement of the knocking rod 6 helps to vibrate the slag guide bucket 4, effectively removing the slag from the surface of the slag guide bucket 4, reducing the residue of slag, which not only prevents the possible blockage of the furnace body and the decrease in thermal efficiency caused by the accumulation of slag, but also helps to maintain the cleanliness of the furnace body, prolong the service life of the equipment, and reduce the local overheating or uneven heating caused by the accumulation of slag, thereby helping to improve the quality consistency and production efficiency of the final product. After the use of the material placement plate 14, the staff can pull the long rod 16, and the long rod 16 can then drive the connecting plate 17 to move, and the connecting plate 17 can then drive the scraper 18 to move. At this time, the scraper 18 can scrape the inner wall of the material placement plate 14, so that the residual raw materials can be cleaned. The utility model can effectively remove the residual raw materials on the material placement plate 14 through the scraper 18, which not only reduces the waste of raw materials, but also ensures the clean state at the beginning of each production cycle, which helps to maintain the consistency of product quality. Through regular and thorough scraping, potential problems caused by residual raw materials, such as internal contamination of the furnace body or uneven roasting, are reduced, thereby extending the service life of the furnace body.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A zinc oxide heating furnace, comprising a heating furnace body (1), characterized in that: The top end of the heating furnace body (1) is connected to a zinc vapor outlet pipe (2), the bottom end of the heating furnace body (1) is connected to a slag discharge pipe (3), a slag guide bucket (4) is fixedly installed on the inner wall of the heating furnace body (1), a sliding rod (5) is provided through the bottom surface of the heating furnace body (1), the sliding rod (5) is slidably connected to the heating furnace body (1), a knocking rod (6) is fixedly installed on one end of the sliding rod (5), a horizontal plate (7) is fixedly installed on the other end of the sliding rod (5), an electric push rod (8) is fixedly installed on the bottom surface of the heating furnace body (1), a long plate (9) is installed at the output end of the electric push rod (8), a protrusion (10) is fixedly installed on the bottom surface of the long plate (9), and a tension spring (12) is sleeved on the surface of the sliding rod (5).

2. The zinc oxide heating furnace according to claim 1, characterized in that: The number of the slag guiding buckets (4) is two groups, and the two groups of the slag guiding buckets (4) are symmetrically distributed on the inner wall of the heating furnace body (1).

3. The zinc oxide heating furnace according to claim 1, characterized in that: The protrusions (10) are arranged at equal distances on the bottom surface of the long plate (9), and the protrusions (10) are of a semicircular structure.

4. The zinc oxide heating furnace according to claim 1, characterized in that: Support legs (11) are fixedly mounted on the bottom surface of the heating furnace body (1), and the support legs (11) are evenly distributed on the bottom surface of the heating furnace body (1).

5. The zinc oxide heating furnace according to claim 1, characterized in that: One end of the tension spring (12) is fixedly connected to the heating furnace body (1), and the other end of the tension spring (12) is fixedly connected to the horizontal plate (7).

6. The zinc oxide heating furnace according to claim 1, characterized in that: The inner wall of the heating furnace body (1) is provided with a placement groove (13), the inner wall of the placement groove (13) is slidably connected with a material placement plate (14), the surface of the material placement plate (14) is provided with a slag leakage hole (15), a long rod (16) is penetrated through the inner wall of the material placement plate (14), the long rod (16) is slidably connected to the material placement plate (14), a connecting plate (17) is fixedly installed at one end of the long rod (16), and a scraper (18) is fixedly installed on the bottom surface of the connecting plate (17).

7. The zinc oxide heating furnace according to claim 6, characterized in that: The slag leakage holes (15) are evenly distributed on the surface of the material placement plate (14).

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