Lifting device capable of preheating furnace charge

Abstract

The invention provides a lifting device capable of preheating furnace charge, and relates to the technical field of lifting devices. A motor frame is vertically mounted at the edge of the left end of the side wall of the front end of the hanging plate; a lifting cylinder is vertically and rotatably mounted at the middle position of the side wall of the front end of the hanging plate; and a lifting shaft is vertically and rotationally mounted in the middle of the lifting cylinder. According to the furnace material lifting device, heated airflow can be driven to ascend while furnace materials are lifted, the lifted furnace materials are heated through the waist-coiled pipe, and due to the fact that the lifting path of the furnace materials is a spiral path, the furnace materials can be fully heated in the lifting process, and the furnace materials can be fully heated. And finally, the furnace burden can be fully preheated in the lifting process, preheating is fully utilized, and the problems that the preheating efficiency is low, a fan conversion mode is directly adopted, heat dissipation is fast, and the purpose of preheating the internal furnace burden cannot be achieved are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of lifting devices, and particularly relates to a lifting device capable of preheating furnace charge. Background Art

[0002] During the production and processing of carbon nanotubes, when adding furnace charge to a heating furnace, a lifting device is required to lift the conveyed furnace charge and then add it into the furnace body from the furnace opening. Generally, a bucket elevator is used to convey cold furnace charge from an external feeding channel to the feeding channel of a kiln furnace.

[0003] During the process of lifting and conveying the furnace charge, although some adopt the waste heat of the furnace body for preheating the furnace charge in order to save energy, the preheating efficiency is low. It directly adopts the method of fan conversion, with fast heat dissipation and unable to achieve the purpose of preheating the internal furnace charge. Summary of the Invention

[0004] In view of this, the present invention provides a lifting device capable of preheating furnace charge. The lifting path of the furnace charge is a spiral path, so that the furnace charge can be fully heated during the lifting process, and finally the furnace charge can be fully preheated during the lifting process, and the preheating is fully utilized.

[0005] The present invention provides a lifting device capable of preheating furnace charge, which specifically includes: a hanging plate; a motor bracket is vertically installed at the left edge of the front side wall of the hanging plate; a lifting cylinder is vertically rotatably installed at the middle position of the front side wall of the hanging plate; a lifting shaft is vertically rotatably installed in the middle of the lifting cylinder; a heat storage box is fixedly installed on the back surface of the hanging plate; an air supply shaft is vertically rotatably installed at the right middle of the heat storage box; a coiled snake tube is sleeved on the outer wall of the lifting cylinder.

[0006] Optionally, a motor is fixedly installed at the upper end of the motor bracket, and the motor bracket is located on the left side of the lifting cylinder.

[0007] Optionally, the upper end of the right side of the lifting cylinder is butted with an upper discharge pipe, the end of the upper discharge pipe is butted at the feeding port of the heating furnace, and the lower end of the right side of the lifting cylinder is butted with a lower discharge pipe.

[0008] Optionally, two pulley A are fixedly installed at the upper end of the lifting shaft, and the rotating shaft of the motor is rotationally connected to the pulley A through a belt; a spiral lifting cage is installed on the part of the lifting shaft located inside the lifting cylinder; evenly spaced scraping plates are distributed on the spiral surface of the lifting cage.

[0009] Optionally, heat storage fins are evenly and fixedly installed on the back plane of the heat storage box.

[0010] Optionally, a pulley B is fixedly installed at the upper end of the air supply shaft, and the pulley B is rotationally connected to the upper pulley A through a belt; a plurality of air supply fans are evenly installed at intervals on the part of the air supply shaft located in the regenerator box.

[0011] Optionally, a return air pipe is provided at the lower end of the coiled waist serpentine pipe, and the end of the return air pipe is communicated with the bottom of the left end of the regenerator box; an air inlet pipe is provided at the upper end of the coiled waist serpentine pipe, and the rear end of the air inlet pipe is communicated with the top of the right end of the regenerator box; the part of the air inlet pipe located in the regenerator box is a gas collecting hood with a narrow upper end and a wide lower end, and the air supply shaft vertically passes through the middle of the gas collecting hood.

[0012] Beneficial effects 1. In the present invention, the part of the air inlet pipe located in the regenerator box is a gas collecting hood with a narrow upper end and a wide lower end, and the air supply shaft vertically passes through the middle of the gas collecting hood. When the motor drives the lifting shaft to lift the furnace charge, the air supply shaft can also be driven to rotate, so as to realize the rising of the heated air flow while lifting the furnace charge, and the coiled waist serpentine pipe is used to heat the lifted furnace charge. Since the lifting path of the furnace charge is a spiral path, the furnace charge can be fully heated during the lifting process, and finally the furnace charge can be fully preheated during the lifting process, and the preheat is fully utilized.

[0013] 2. In the present invention, the spiral surface of the lifting cage is distributed with evenly spaced scraping plates. When the motor rotates, the lifting shaft can be driven to rotate, so that the furnace charge is lifted from the lower discharge pipe below to the upper discharge pipe above under the action of the lifting cage and the scraping plates, thereby completing the lifting of the furnace charge.

[0014] 3. In the present invention, regenerative fins are evenly and fixedly installed on the back plane of the regenerator box. At the position where the regenerator box faces the heating furnace, the regenerator box can be regenerated through the regenerative fins, and the waste heat can be fully recovered. Brief description of the drawings

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below.

[0016] The drawings in the following description only relate to some embodiments of the present invention and do not limit the present invention.

[0017] In the drawings: Figure 1 Shows a right front upper perspective structural schematic diagram according to an embodiment of the present invention; Figure 2 Shows a left rear upper perspective structural schematic diagram according to an embodiment of the present invention; Figure 3 Shows a coiled waist serpentine pipe partial semi-section separation state perspective structural schematic diagram according to an embodiment of the present invention; Figure 4Shows a front view structural schematic diagram of the semi-sectioned and separated state of the coiled snake tube part according to an embodiment of the present invention; Figure 5 Shows an embodiment according to the present invention Figure 4 Schematic diagram of the enlarged middle part structure; Figure 6 Shows an axonometric structural schematic diagram of the state where a part of the heat storage box housing is removed according to an embodiment of the present invention; Figure 7 Shows a rear view structural schematic diagram of the state where a part of the heat storage box housing is removed according to an embodiment of the present invention; Figure 8 Shows an axonometric structural schematic diagram of the lower part of the state where a part of the heat storage box housing is removed according to an embodiment of the present invention.

[0018] List of reference numerals 1. Hanging plate; 2. Motor frame; 201. Motor; 3. Lifting cylinder; 301. Upper discharge pipe; 302. Lower discharge pipe; 4. Lifting shaft; 401. Pulley A; 402. Lifting cage; 403. Scraper; 5. Heat storage box; 501. Heat storage fins; 6. Air supply shaft; 601. Pulley B; 602. Air supply fan; 7. Coiled snake tube; 701. Return air pipe; 702. Intake air pipe; 703. Air collecting hood. Detailed implementation manners

[0019] In order to make the objectives, solutions, and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the ordinary meanings in the art. The same reference numerals in the drawings represent the same components.

[0020] Embodiment: Please refer to Figures 1 to 8 : The present invention provides a lifting device capable of preheating furnace charge, including: a hanging plate 1; a motor frame 2 is vertically installed at the left edge of the front side wall of the hanging plate 1; a lifting cylinder 3 is vertically rotatably installed at the middle position of the front side wall of the hanging plate 1; a lifting shaft 4 is vertically rotatably installed in the middle of the lifting cylinder 3; a heat storage box 5 is fixedly installed on the back surface of the hanging plate 1; an air supply shaft 6 is vertically rotatably installed at the right side of the middle of the heat storage box 5; a coiled snake tube 7 is sleeved around the outer wall of the lifting cylinder 3.

[0021] In addition, according to an embodiment of the present invention, a motor 201 is fixedly installed at the upper end of the motor frame 2. The motor frame 2 is located at the left side of the lifting cylinder 3. The top of the right end of the lifting cylinder 3 is butted with an upper discharge pipe 301. The end of the upper discharge pipe 301 is butted at the feed inlet of the heating furnace. The bottom of the right end of the lifting cylinder 3 is butted with a lower discharge pipe 302. Two pulley A401 are fixedly installed at the upper end of the lifting shaft 4. The rotating shaft of the motor 201 is rotationally connected with the pulley A401 through a belt; a spiral lifting auger 402 is installed on the part of the lifting shaft 4 located inside the lifting cylinder 3; evenly spaced scraping plates 403 are distributed on the spiral surface of the lifting auger 402. When the motor 201 rotates, it can drive the lifting shaft 4 to rotate, so that the furnace charge is lifted from the lower discharge pipe 302 to the upper discharge pipe 301 above under the action of the lifting auger 402 and the scraping plates 403, thereby completing the lifting of the furnace charge.

[0022] In addition, according to an embodiment of the present invention, heat storage fins 501 are fixedly installed at equal intervals on the back plane of the heat storage box 5. At the position where the heat storage box 5 faces the heating furnace, the heat storage box 5 can store heat through the heat storage fins 501.

[0023] In addition, according to an embodiment of the present invention, a pulley B601 is fixedly installed at the upper end of the air supply shaft 6. The pulley B601 is rotationally connected with the upper pulley A401 through a belt; evenly spaced air supply fans 602 are installed on the part of the air supply shaft 6 located inside the heat storage box 5. A return air pipe 701 is provided at the lower end of the coiled snake pipe 7. The end of the return air pipe 701 is connected to the bottom of the left end of the heat storage box 5 in a communicating manner; an air inlet pipe 702 is provided at the upper end of the coiled snake pipe 7. The rear end of the air inlet pipe 702 is connected to the top of the right end of the heat storage box 5 in a communicating manner; the part of the air inlet pipe 702 located inside the heat storage box 5 is a gas collecting hood 703 with a narrow upper end and a wide lower end. The air supply shaft 6 vertically passes through the middle of the gas collecting hood 703. When the motor 201 drives the lifting shaft 4 to lift the furnace charge, it can also drive the air supply shaft 6 to rotate, so as to realize the rising of the heated air flow while lifting the furnace charge, and heat the lifted furnace charge through the coiled snake pipe 7. Since the lifting path of the furnace charge is a spiral path, the furnace charge can be fully heated during the lifting process, and finally the furnace charge can be fully preheated during the lifting process, and the preheating is fully utilized.

[0024] The specific usage mode and function of this embodiment: In the present invention, scraping plates 403 are evenly distributed on the spiral surface of the lifting auger 402. When the motor 201 rotates, it can drive the lifting shaft 4 to rotate, so that the furnace charge is lifted from the lower discharge pipe 302 below to the upper discharge pipe 301 above under the action of the lifting auger 402 and the scraping plates 403. Heat storage fins 501 are fixedly installed at equal intervals on the back plane of the heat storage box 5. At the position where the heat storage box 5 faces the heating furnace, the heat storage box 5 can store heat through the heat storage fins 501. The part of the air inlet pipe 702 located inside the heat storage box 5 is a gas collecting hood 703 with a narrow upper end and a wide lower end. The air supply shaft 6 vertically passes through the middle of the gas collecting hood 703. When the motor 201 drives the lifting shaft 4 to lift the furnace charge, it can also drive the air supply shaft 6 to rotate, thus realizing the upward movement of the heated air flow while lifting the furnace charge, and heating the lifted furnace charge through the coil pipe 7. Since the lifting path of the furnace charge is a spiral path, the furnace charge can be fully heated during the lifting process.

[0025] Finally, it should be noted that when describing the positions of various components and their cooperation relationships, etc. in the present invention, usually one / a pair of components are taken as examples. However, those skilled in the art should understand that such positions, cooperation relationships, etc. are equally applicable to other components / other pairs of components.

[0026] The above description is only an exemplary embodiment of the present invention and is not used to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A lifting device capable of preheating furnace charge, characterized in that: include: A hanging plate (1); a motor frame (2) is vertically mounted at the left edge of the front end side wall of the hanging plate (1); a lifting cylinder (3) is vertically rotatably mounted at the middle position of the front end side wall of the hanging plate (1); a lifting shaft (4) is vertically rotatably mounted at the middle of the lifting cylinder (3); a heat storage box (5) is fixedly mounted on the back of the hanging plate (1); an air supply shaft (6) is vertically rotatably mounted at the right middle of the heat storage box (5); a coiled coil (7) is sleeved on the outer wall of the lifting cylinder (3); a return air pipe (701) is provided at the lower end of the coiled coil (7), and the end of the return air pipe (701) is connected to the bottom of the left end of the heat storage box (5); the coiled coil An air inlet pipe (702) is provided at the upper end of the tube (7), and the rear end of the air inlet pipe (702) is connected to the top of the right end of the heat storage tank (5); a motor (201) is fixedly mounted on the upper end of the motor frame (2), and the motor frame (2) is located at the left side of the lifting cylinder (3); two pulleys A (401) are fixedly mounted on the upper end of the lifting shaft (4), and the rotating shaft of the motor (201) and the pulleys A (401) are rotatably connected via a belt; a spiral lifting cage (402) is mounted on the portion of the lifting shaft (4) located inside the lifting cylinder (3); and scrapers (403) are evenly spaced apart and distributed on the spiral surface of the lifting cage (402).

2. A lifting device capable of preheating charge according to claim 1, characterized in that: The top of the right end of the lifting cylinder (3) is butt-jointed with an upper discharge pipe (301), the end of the upper discharge pipe (301) is butt-jointed with the feed port of the heating furnace, and the bottom of the right end of the lifting cylinder (3) is butt-jointed with a lower discharge pipe (302).

3. A lifting device capable of preheating charge according to claim 1, characterized in that: Heat storage fins (501) are fixedly installed at even intervals on the back plane of the heat storage box (5).

4. A lifting device capable of preheating charge according to claim 1, characterized in that: A pulley B (601) is fixedly mounted on the upper end of the air supply shaft (6), and the pulley B (601) is rotationally connected to the pulley A (401) on the upper layer via a belt.

5. A lifting device capable of preheating charge according to claim 1, characterized in that: Air supply fans (602) are evenly spaced and installed on the portion of the air supply shaft (6) located inside the heat storage box (5).

6. A lifting device capable of preheating charge according to claim 1, characterized in that: The portion of the air inlet pipe (702) located inside the heat storage tank (5) is an air collecting hood (703) that is narrow at the upper end and wide at the lower end, and the air supply shaft (6) vertically passes through the middle of the air collecting hood (703).

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