High-temperature furnace tube with efficient discharge

Abstract

The utility model relates to high temperature furnace pipe technical field of high -efficient discharge, specifically relates to a high -efficient discharge high temperature furnace pipe, including quartz furnace pipe rotation is installed in high temperature furnace, quartz furnace pipe one end is equipped as the air inlet and discharge end, the air inlet and discharge end is equipped with the air inlet and discharge cover of detachable, the other end is equipped as the feeding and air outlet end, the feeding and air outlet end is equipped with the feeding and air outlet bag, the pipe is equipped with a plurality of raking plates along the length direction and penetrates, and the raking plate is scatteredly and uniformly arranged along the circumference with the quartz furnace pipe center axis as the pivot. Material keeps on rotating in quartz furnace pipe, is blocked by raking plate every time after passing one raking plate and rotates to the highest point, is thrown under the gravity, falls into the process in the pipe body bottom, realizes the tumbling of material, and fully contacts with the purification gas in the tumbling process, and the impurity on the surface of material and material, reaction occurs under high temperature state, and the material after purification slides along quartz furnace pipe to the air inlet and discharge cover direction, and the purification gas flows to the feeding and air outlet end, realizes the efficient purification of material.

Description

Technical Field

[0001] This utility model relates to the field of high-temperature furnace tube technology for high-efficiency material discharge, and in particular to a high-temperature furnace tube for high-efficiency material discharge. Background Technology

[0002] The high-temperature furnace is equipped with high-temperature furnace tubes. Through isolation protection, atmosphere control, high temperature resistance and heat flow guidance, the high-temperature furnace tubes provide a stable and controllable environment for material processing in the high-temperature furnace. The high-temperature furnace tubes are made of high-temperature resistant materials and can directly contact high-temperature heat sources and withstand the high-temperature environment inside the furnace, which can typically reach hundreds to thousands of degrees or even higher, without damaging their own structure.

[0003] The furnace tube separates the material from the refractory layer and insulation layer of the furnace body to prevent the material from reacting chemically with the furnace body material at high temperatures, or from damaging the internal structure of the furnace body due to splashing or dripping of the material.

[0004] In the furnace tube, under the influence of gravity, the material rapidly sinks to the bottom as the tube rotates, preventing it from fully contacting the gas and reacting further. This results in a high degree of purification for the material that comes into contact with the gas, while the material that doesn't fully contact the purifying gas has a low degree of purification, failing to achieve high-efficiency purification and impacting large-scale industrial production. Furthermore, after the reaction is complete, the material cannot be quickly collected and transferred, significantly reducing the efficiency of industrial production. Utility Model Content

[0005] The technical problem to be solved by this invention is to provide a high-temperature furnace tube with high-efficiency material discharge, which addresses the shortcomings of the existing technology and solves the problems mentioned in the background art. The invention uses several material feeding plates inside the quartz furnace tube. As the quartz furnace tube rotates, the material tumbles, the reaction is complete, and the material is smoothly discharged into the discharge hood for centralized transfer. It has the advantages of complete and uniform reaction and efficient purification.

[0006] The technical problem to be solved by this utility model is achieved through the following technical solution: a high-temperature furnace tube with high-efficiency discharge, comprising a quartz furnace tube, which is rotatably installed in a high-temperature furnace. One end of the quartz furnace tube is set as an air inlet and material outlet end, which is provided with a detachable air inlet and material outlet cover. The other end of the quartz furnace tube is set as a material inlet and air outlet end, which is provided with a material inlet and air outlet bag. Several material guide plates are arranged through the tube along its length. The material guide plates are evenly distributed in a radiating pattern around the central axis of the quartz furnace tube.

[0007] As a further embodiment of this utility model, the height of the feeding plate is 1 / 4 to 1 / 3 of the inner diameter of the quartz furnace tube.

[0008] As a further embodiment of this utility model, the quartz furnace tube is inclined downwards along the direction from the feed and gas outlet end to the gas inlet and discharge end, with an inclination angle of 5°-10°.

[0009] As a further embodiment of this utility model, a connecting flange assembly is provided between the air inlet / outlet end and the air inlet / outlet hood. The connecting flange assembly includes an embedded flange at the end of the quartz furnace tube and a concave flange at the end of the air inlet / outlet hood. The concave flange includes an inner groove at the center, and the inner groove forms a concave annular surface around its circumference. The outer annular surface of the embedded flange is fitted with the concave annular surface, and an fitting ring is formed between the outer annular surface of the embedded flange and the concave annular surface. Several threaded holes are evenly distributed circumferentially on the fitting ring. The threaded holes pass through the embedded flange and extend into the outer convex flange body. Countersunk bolts are provided in the threaded holes for fastening.

[0010] As a further embodiment of this utility model, the air inlet and outlet hood is a hood with one end closed. The closed end of the hood has an air inlet along the central axis, and an air inlet pipe is provided at the air inlet, with the air inlet pipe extending into the hood.

[0011] As a further embodiment of this utility model, the feed and exhaust manifold includes a cylindrical body that is perpendicular to and vertically arranged with respect to the quartz furnace tube. The upper part of the cylindrical body is provided with an upper end cap, and the upper end cap is provided with an upper exhaust pipe arranged along the central axis. The lower part of the cylindrical body is provided with a lower end cap, and the lower end cap is provided with a lower exhaust pipe arranged along the central axis. The middle part of the cylindrical body is provided with a transversely through and coaxially arranged docking hole and feed port. The feed and exhaust end of the quartz furnace tube extends vertically into the cylindrical body along the docking port.

[0012] As a further embodiment of this utility model, a feed pipe is provided at the feed inlet. The outer diameter of the feed pipe is smaller than the inner diameter of the quartz furnace tube. After passing through the cylinder laterally, the feed pipe extends into the quartz furnace tube. The length of the feed pipe extending into the quartz furnace tube is 150mm-200mm.

[0013] As a further embodiment of this utility model, the feed and exhaust ends of the quartz furnace tube extend vertically into the cylinder along the interface, with the extension length accounting for 1 / 4 to 1 / 3 of the cylinder diameter.

[0014] The beneficial effects of this utility model are as follows: This utility model provides a high-efficiency discharge high-temperature furnace tube, including a quartz furnace tube, which is rotatably installed in a high-temperature furnace. One end of the quartz furnace tube is designated as an inlet and outlet end, equipped with a detachable inlet and outlet hood. The other end of the quartz furnace tube is designated as a feed and gas outlet end, equipped with a feed and gas outlet manifold. Several material-pushing plates are installed along the length of the tube, and the material-pushing plates are evenly distributed in a radiating pattern around the central axis of the quartz furnace tube. When the material rotates continuously in the quartz furnace tube, it is blocked by a material-pushing plate and rotates to its highest point. During this process, it is thrown down by gravity and falls to the bottom of the tube, achieving tumbling. During tumbling, it comes into full contact with the purifying gas. The purifying gas reacts with impurities on the surface of the material at high temperature. The purified material slides down the quartz furnace tube towards the inlet and outlet hood, while the purifying gas flows towards the feed and outlet end, achieving efficient purification of the material. Attached Figure Description

[0015] Figure 1 This is a cross-sectional view of the overall structure of this utility model; Figure 2 This is a view of the present invention from direction AA; Figure 3 This is a schematic diagram of the assembly structure of the air inlet / outlet cover and the concave flange of this utility model. Figure 4 This is a top view of the assembly structure of the air inlet / outlet hood and the concave flange of this utility model. Figure 5 This is a BB-direction view of the present invention.

[0016] Wherein: 1-quartz furnace tube, 2-feeding plate, 3-recessed flange, 301-recessed groove, 311-recessed annular surface, 312-threaded hole, 4-air inlet and outlet hood, 5-air inlet pipe, 6-embedded flange, 7-countersunk bolt, 8-feeding and air outlet manifold, 801-upper air outlet pipe, 802-cylinder, 9-feeding pipe. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0018] The serial numbers assigned to components in this document, such as "first," "second," etc., are merely for distinguishing the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages). In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0019] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0020] like Figures 1 to 5 As shown, a high-efficiency discharge high-temperature furnace tube includes a quartz furnace tube 1, which is rotatably installed in a high-temperature furnace. The quartz furnace tube is inclined downwards at an angle of 8° from the inlet / outlet end to the outlet / gas inlet end. During the continuous reaction process, the material slowly slides down towards the outlet / gas inlet end.

[0021] One end of the quartz furnace tube 1 is designated as an inlet and outlet end, which is equipped with a detachable inlet and outlet cover. A connecting flange assembly is provided between the inlet and outlet end and the inlet and outlet cover. The connecting flange assembly includes an embedded flange 6 at the end of the quartz furnace tube and an inner concave flange 3 at the end of the inlet and outlet cover. The inner concave flange includes an inner groove 301 at the center, and an inner concave annular surface 311 is formed around the inner groove. The outer annular surface of the embedded flange is fitted with the inner concave annular surface, and an fitting ring is formed between the outer annular surface of the embedded flange and the inner concave annular surface. Several threaded holes 312 are evenly distributed circumferentially on the fitting ring. The threaded holes pass through the inner flange and extend into the outer convex flange body. Countersunk bolts 7 are provided in the threaded holes for fastening.

[0022] Before operation, fit the inner flange at the end of the quartz furnace tube with the concave annular surface. After complete fit, tighten the countersunk bolt 7 with the threaded hole 312. During operation, ensure that the air inlet and outlet hoods are completely sealed to the quartz furnace tube and rotate synchronously.

[0023] As the material continuously slides into the inlet and outlet hood, and accumulates to a certain amount, the countersunk bolts are turned in the opposite direction to completely separate the inner flange and the inner concave flange. The purified material in the inlet and outlet hood is then transferred. After the transfer is completed, the quartz furnace tube is sealed to the inlet and outlet hood again.

[0024] The air inlet and outlet hood 4 is a hood that is closed at one end. The closed end of the hood has an air inlet along the central axis, and an air inlet pipe 5 is provided at the air inlet, which extends into the hood. Purified gas is introduced into the air inlet pipe. The air inlet pipe enters the hood along the central axis and will not be blocked by materials, so that the purified gas can be smoothly and continuously input.

[0025] Several material-pushing plates 2 are installed along the length of the tube, and the material-pushing plates are evenly distributed in a radiating pattern around the central axis of the quartz furnace tube. The height of the material-pushing plates is 1 / 3 of the inner diameter of the quartz furnace tube.

[0026] The feeding plate is a quartz plate. After being joined to the inner wall of the quartz furnace tube, the feeding plate is welded at high temperature to ensure its stability. The feeding plate rotates synchronously with the rotation of the quartz furnace tube.

[0027] As the material rotates continuously in the quartz furnace tube, it is blocked by a deflector plate 2 each time it rotates to its highest point. Then, it is thrown down by gravity and falls to the bottom of the tube. During this process, the material tumbles and comes into full contact with the purification gas. The purification gas reacts with the impurities on the surface of the material at high temperature. The purified material slides down the quartz furnace tube towards the gas inlet and outlet hood, while the purification gas flows towards the gas inlet and outlet.

[0028] The other end of the quartz furnace tube 1 is designated as a feeding and gas outlet end, which is equipped with a feeding and gas outlet manifold 8. The feeding and gas outlet manifold includes a cylindrical body 802 that is perpendicular to and vertically arranged with the quartz furnace tube. The upper part of the cylindrical body is provided with an upper end cap, and the upper end cap is provided with an upper gas outlet pipe 801 arranged along the central axis. The lower part of the cylindrical body is provided with a lower end cap, and the lower end cap is provided with a lower gas outlet pipe arranged along the central axis. The middle part of the cylindrical body is provided with a transversely penetrating and coaxially arranged docking hole and a feeding port. The feeding port is provided with a feeding pipe 9. The outer diameter of the feeding pipe is smaller than the inner diameter of the quartz furnace tube. After the feeding pipe passes through the cylindrical body laterally, it extends into the quartz furnace tube. The length of the feeding pipe extending into the quartz furnace tube is 180mm.

[0029] The material in the feed pipe 9 continuously falls into the quartz furnace tube. As the quartz furnace tube rotates continuously, impurities on the surface of the material inside the quartz furnace tube react with the purification gas, thus purifying the material particles.

[0030] The inlet and outlet ends of the quartz furnace tube 1 extend vertically into the cylinder along the joint. The length of the extension is 1 / 3 of the cylinder diameter. After the purified gas reacts, it flows into the cylinder along the gap between the inner wall of the quartz furnace tube and the outer wall of the inlet tube. The cylinder has a large space and low pressure, so the purified gas continuously flows towards the low-pressure direction, achieving a dynamic reaction process with the material.

[0031] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0032] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A high-efficiency discharge high-temperature furnace tube, comprising a quartz furnace tube (1), wherein the quartz furnace tube is rotatably installed in a high-temperature furnace, characterized in that, One end of the quartz furnace tube (1) is set as the air inlet and material outlet end, and the air inlet and material outlet end is provided with a detachable air inlet and material outlet cover (4). The other end of the quartz furnace tube is set as the material inlet and air outlet end, and the material inlet and air outlet end is provided with a material inlet and air outlet bag (8). Several material-pushing plates (2) are installed through the tube along the length direction. The material-pushing plates are evenly distributed in a radiating pattern around the central axis of the quartz furnace tube.

2. The high-efficiency discharge high-temperature furnace tube according to claim 1, characterized in that, The height of the feeding plate (2) is 1 / 4 to 1 / 3 of the inner diameter of the quartz furnace tube.

3. The high-efficiency discharge high-temperature furnace tube according to claim 2, characterized in that, The quartz furnace tube (1) is inclined downwards along the direction from the feed and gas outlet end to the feed and gas outlet end, with an inclination angle of 5°-10°.

4. The high-efficiency discharge high-temperature furnace tube according to claim 3, characterized in that, A flange assembly is provided between the air inlet / outlet end and the air inlet / outlet hood. The flange assembly includes an embedded flange (6) at the end of the quartz furnace tube and a concave flange (3) at the end of the air inlet / outlet hood. The concave flange includes an inner groove (301) at the center. The inner groove forms a concave annular surface (311) around its circumference. The outer annular surface of the embedded flange is fitted with the concave annular surface. An interlocking ring is formed between the outer annular surface of the embedded flange and the concave annular surface. Several threaded holes (312) are evenly distributed along the circumference on the interlocking ring. The threaded holes pass through the embedded flange and extend into the outer convex flange body. Countersunk bolts (7) are provided in the threaded holes for fastening.

5. The high-efficiency discharge high-temperature furnace tube according to claim 4, characterized in that, The air inlet and outlet hood (4) is a hood that is closed at one end. The closed end of the hood is provided with an air inlet along the central axis. An air inlet pipe (5) is provided at the air inlet and extends into the hood.

6. The high-efficiency discharge high-temperature furnace tube according to claim 1, characterized in that, The feed and exhaust manifold (8) includes a cylindrical body (802) that is perpendicular to and vertically arranged with respect to the quartz furnace tube. The upper part of the cylindrical body is provided with an upper end cap, and the upper end cap is provided with an upper exhaust pipe (801) arranged along the central axis. The lower part of the cylindrical body is provided with a lower end cap, and the lower end cap is provided with a lower exhaust pipe arranged along the central axis. The middle part of the cylindrical body is provided with a horizontally through and coaxially arranged docking hole and feed port. The feed and exhaust end of the quartz furnace tube extends vertically into the cylindrical body along the docking port.

7. The high-efficiency discharge high-temperature furnace tube according to claim 6, characterized in that, The feed inlet is provided with a feed pipe (9). The outer diameter of the feed pipe is smaller than the inner diameter of the quartz furnace tube. The feed pipe passes through the cylinder laterally and extends into the quartz furnace tube. The length of the feed pipe extending into the quartz furnace tube is 150mm-200mm.

8. The high-efficiency discharge high-temperature furnace tube according to claim 3, characterized in that, The feed and exhaust ends of the quartz furnace tube extend vertically into the cylinder (802) along the interface, with the extension length accounting for 1 / 4 to 1 / 3 of the cylinder diameter.

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