Efficient and energy-saving rotary furnace
By introducing scraper and shredder structures into the rotary kiln, combined with preheating of exhaust gas in the preheating cylinder, the problems of powder agglomeration and waste of exhaust gas are solved, achieving efficient and energy-saving material processing.
Patent Information
- Application Number
- CN202423164821.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-21
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-21
AI Technical Summary
In existing rotary kilns, the cleaning blades can only scrape the powder in specific locations, making it difficult to disperse agglomerated powder and resulting in the ineffective utilization of exhaust heat, leading to resource waste.
The scraper and shredder structure is used to crush agglomerated powder, and the waste gas in the preheating cylinder is used to preheat the material, so as to realize the reuse of the heat of the waste gas.
It improved the speed and quality of material processing, reduced resource waste, and enabled the effective utilization of waste gas heat.
Smart Images

Figure CN223580581U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rotary furnace technical field more specifically, and relates to a kind of high-efficiency energy-saving rotary furnace. BACKGROUND
[0002] Rotary furnace is a kind of calcination, roasting or drying granular and powder material thermal equipment, mainly applied to the primary rough processing of powder or mineral material, for example, in the sintering of cement clinker, calcination and kaolin preparation titanium dioxide, rare earth industry processing etc.
[0003] Through the search, the utility model patent with disclosure number CN207862380U discloses a kind of high-efficiency energy-saving reduction rotary furnace, including furnace body, furnace core, motor, pinion, spur gear, multiple connecting rods and multiple cleaning blades;The included angle between the central axis of furnace core and horizontal plane is between 0 degree and 10 degrees;Multiple connecting rods are evenly arranged on furnace core;One end of connecting rod is fixedly connected to the outer wall of furnace core, and the other end of connecting rod is fixedly connected with one end of cleaning blade;The other end of cleaning blade is immediately adjacent to the inner wall of furnace body;The high-efficiency energy-saving reduction rotary furnace, by evenly fixed multiple connecting rods on the outer wall of furnace core, and fixed cleaning blade at the end of connecting rod, cleaning blade is immediately adjacent to the inner wall of furnace body, so that furnace core drives cleaning blade to rotate in furnace body during rotation, and the powder agglomerate in furnace body is cleaned, so that furnace body and material are evenly heated, and the quality of discharge is improved.
[0004] But the above-mentioned patent still has the following deficiencies: cleaning blade can only scrape powder at specific position of furnace inner wall, and it is inconvenient to clean when powder agglomerates on the inner wall of furnace, and it is inconvenient to disperse agglomerated powder only by cleaning blade;And tail gas has certain heat, and direct discharge can cause resource waste. For this reason, we propose a kind of high-efficiency energy-saving rotary furnace. UTILITY MODEL CONTENT
[0005] In view of the problems in the prior art, the utility model aims at providing a kind of high-efficiency energy-saving rotary furnace.
[0006] To solve the above problems, the utility model adopts the following technical solutions:
[0007] The utility model provides a high -efficient energy -conserving rotary furnace, including the base, the top fixedly connected with support inclined platform of base, the top surface fixedly connected with rotary frame of support inclined platform, the inside rotatory connection has rotary furnace cylinder of rotary frame, the top fixedly connected with feed fixed plate of rotary furnace cylinder, the bottom of feed fixed plate and the top surface of support inclined platform are connected, the bottom rotatory connection has discharge hopper of rotary furnace cylinder, the bottom surface of discharge hopper and the top surface of support inclined platform are connected, be provided with preheating mechanism on feed fixed plate, the outside fixed mounting of feed fixed plate has first motor, the output shaft of first motor extends to the inner chamber of rotary furnace cylinder and is fixedly connected with rotating shaft, the one side fixedly connected with a plurality of connecting plates of rotating shaft, a plurality of the end fixedly connected with scraper of connecting plate, the end surface of scraper and the inner wall of rotary furnace cylinder are inlayed, the other side fixedly connected with two supports of rotating shaft, rotatory connection has rotating rod between two supports, the side fixedly connected with a plurality of mincing knives of rotating rod, the outside fixed mounting of a support has second motor, the output shaft of second motor and the end of rotating rod are connected.
[0008] As a preferred scheme of the utility model, the preheating mechanism includes a feed pipe fixedly sleeved on the feed fixed plate, a switch valve fixedly installed at the top end of the feed pipe, a storage hopper fixedly sleeved at the input end of the switch valve, the bottom end of the feed pipe extending into the inner chamber of the rotary furnace cylinder, a preheating cylinder fixedly sleeved at the outside of the storage hopper, a plurality of exhaust holes formed at the top surface of the preheating cylinder, an air outlet pipe fixedly sleeved at the side of the bottom end of the preheating cylinder, the end of the air outlet pipe extending through the feed fixed plate to the inner chamber of the rotary furnace cylinder.
[0009] As a preferred scheme of the utility model, a second gear fixedly sleeved at the outside of the rotary furnace cylinder, a third motor fixedly installed on the rotary frame, a first gear fixedly sleeved at the output shaft of the third motor, the first gear and the second gear meshing with each other.
[0010] As a preferred scheme of the utility model, a blowing pump fixedly installed at the outside of the feed fixed plate, the output end of the blowing pump extending into the inner chamber of the rotary furnace cylinder.
[0011] As a preferred scheme of the utility model, a protective shell fixedly connected at the outside of the support and outside the second motor.
[0012] As a preferred scheme of the utility model, a heater fixedly sleeved at the outside of the rotary furnace cylinder.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] (1) The utility model discloses a first motor drives rotating shaft, scraper, rotating rod and chopping knife to rotate in the opposite direction of rotary furnace cylinder when treating material in rotary furnace cylinder, and the material adhering to the inner wall of rotary furnace cylinder is scraped down by scraper, and the rotating rod and multiple chopping knives are driven to rotate by second motor, and the caked material is broken and dispersed by chopping knife, so that the speed and quality of treating material are ensured.
[0015] (2) The utility model discloses a second motor drives rotating rod and multiple chopping knives to rotate when treating material in rotary furnace cylinder, and the material adhering to the inner wall of rotary furnace cylinder is scraped down by scraper, and the caked material is broken and dispersed by chopping knife, so that the speed and quality of treating material are ensured. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the whole structure schematic diagram of front of the utility model;
[0017] Figure 2 It is the whole structure schematic diagram of back of the utility model;
[0018] Figure 3 It is the sectional view schematic diagram of the utility model;
[0019] Figure 4 It is the structure schematic diagram of chopping knife of the utility model;
[0020] Figure 5 It is the structure schematic diagram of preheating mechanism of the utility model;
[0021] Figure 6 It is the structure schematic diagram of preheating mechanism of the utility model; Figure 4
[0022] Mark number explanation in drawing: 1, base;2, support inclined bench;3, rotating frame;4, rotary furnace cylinder;5, discharge hopper;6, feed fixed plate;7, preheating mechanism;8, first motor;9, rotating shaft;10, connecting plate;11, scraper;12, support;13, rotating rod;14, chopping knife;15, second motor;16, protection shell;17, feed pipe;18, on-off valve;19, storage hopper;20, preheating cylinder;21, exhaust hole;22, gas outlet pipe;23, air blowing pump;24, heater;25, second gear;26, third motor;27, first gear. DETAILED DESCRIPTION
[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments, and based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the protection scope of the present application.
[0024] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For a person of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0026] Embodiment:
[0027] Please refer to Figures 1-6The utility model relates to a high -efficient energy -conserving rotary furnace, including base 1, the top fixed connection of base 1 has the support inclined bench 2, the top surface fixed connection of support inclined bench 2 has rotary frame 3, the inside rotary connection of rotary frame 3 has rotary furnace cylinder 4, the top end rotary connection of rotary furnace cylinder 4 has feeding fixed plate 6, and the bottom end of feeding fixed plate 6 is connected with the top surface of support inclined bench 2, and the bottom end rotary connection of rotary furnace cylinder 4 has discharge hopper 5, and the bottom surface of discharge hopper 5 is connected with the top surface of support inclined bench 2, and be provided with preheating mechanism 7 on feeding fixed plate 6, and the outside of feeding fixed plate 6 is fixed with first motor 8, and the output shaft of first motor 8 extends to the inner chamber of rotary furnace cylinder 4 and is fixed with rotary shaft 9, and one side of rotary shaft 9 is fixed with a plurality of connecting plates 10, and the end of a plurality of connecting plates 10 is fixed with scraper 11, and the end surface of scraper 11 is attached with the inner wall of rotary furnace cylinder 4, and the other side of rotary shaft 9 is fixed with two supports 12, and rotary rod 13 is rotatably connected between two supports 12, and a plurality of chopping knives 14 are fixedly connected to the side of rotary rod 13, and the outside of one support 12 is fixedly installed with second motor 15, and the output shaft of second motor 15 is connected with the end of rotary rod 13.
[0028] Specifically, please refer to Figure 1 、 Figure 2 and Figure 5 Preheating mechanism 7 includes feeding pipe 17 that is sleeved on feeding fixed plate 6, feeding pipe 17 is fixedly installed with on-off valve 18 at the top end, the input end of on-off valve 18 is fixedly sleeved with storage hopper 19, the bottom end of feeding pipe 17 extends to the inner chamber of rotary furnace cylinder 4, the outside of storage hopper 19 is fixedly sleeved with preheating cylinder 20, a plurality of exhaust holes 21 are formed in the top surface of preheating cylinder 20, the side of the bottom end of preheating cylinder 20 is fixedly sleeved with gas outlet pipe 22, and the end of gas outlet pipe 22 extends to the inner chamber of rotary furnace cylinder 4 through feeding fixed plate 6.
[0029] Specifically, please refer to Figure 1 The outside of rotary furnace cylinder 4 is fixedly sleeved with second gear 25, third motor 26 is fixedly installed on rotary frame 3, the output shaft of third motor 26 is fixedly sleeved with first gear 27, and first gear 27 and second gear 25 are engaged with each other.
[0030] In the embodiment, the third motor 26 drives the first gear 27 to rotate, and the rotary furnace cylinder 4 is driven to rotate through the engagement transmission between the first gear 27 and the second gear 25, so that the material in the rotary furnace cylinder 4 is turned over.
[0031] Specifically, please refer to Figure 3 The outside of feeding fixed plate 6 is fixedly installed with blowing pump 23, and the output end of blowing pump 23 extends to the inner chamber of rotary furnace cylinder 4.
[0032] In the embodiment, the air is introduced into the inner cavity of the rotary furnace cylinder 4 by opening the air blowing pump 23, so as to adjust the air pressure in the rotary furnace cylinder 4, and the air pressure detection device can be arranged in the inner cavity of the rotary furnace cylinder 4.
[0033] Specifically, please refer to Figure 6 The outer side of the support 12 and outside the second motor 15 is fixedly connected with the protective shell 16.
[0034] In the embodiment, the second motor 15 is protected by the protective shell 16, so as to avoid the influence of the material in the rotary furnace cylinder 4 on the second motor 15.
[0035] Specifically, please refer to Figure 1 The outer side of the rotary furnace cylinder 4 is fixedly sleeved with the heater 24.
[0036] In the embodiment, the material in the rotary furnace cylinder 4 is heated by the heater 24.
[0037] Working principle: in use, first, the material is put into the inner cavity of the storage hopper 19, the switch valve 18 is opened, so that the material enters the rotary furnace cylinder 4 from the feeding pipe 17, the third motor 26 is started to drive the first gear 27 to rotate, the rotary furnace cylinder 4 is driven to rotate through the meshing transmission between the first gear 27 and the second gear 25, the heater 24 is started to heat the rotary furnace cylinder 4, the heat is conducted to the material by the rotary furnace cylinder 4, then the first motor 8 is started to drive the rotating shaft 9, the scraper 11, the rotating rod 13 and the chopping knife 14 to rotate in the opposite direction of the rotary furnace cylinder 4, the material attached to the inner wall of the rotary furnace cylinder 4 is scraped down by the scraper 11, the second motor 15 is started to drive the rotating rod 13 and the plurality of chopping knives 14 to rotate, the caked material is broken by the chopping knives 14, so as to ensure the speed and quality of the material processing, then the waste gas generated in the rotary furnace cylinder 4 is introduced into the inner cavity of the preheating cylinder 20 from the gas outlet pipe 22, the material in the storage hopper 19 is preheated by the heat of the waste gas in the inner cavity of the preheating cylinder 20, so as to ensure the quality of the material put into the rotary furnace cylinder 4 for processing, and the heat in the waste gas is effectively utilized, finally, the processed material is discharged from the discharge hopper 5.
[0038] The above merely describes the preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. An energy efficient rotary furnace comprising a base (1) characterised in that: The top of the base (1) is fixedly connected with a support inclined table seat (2), the top surface of the support inclined table seat (2) is fixedly connected with a rotating frame (3), the inner side of the rotating frame (3) is rotatably connected with a rotary furnace cylinder (4), the top end of the rotary furnace cylinder (4) is rotatably connected with a feeding fixed plate (6), the bottom end of the feeding fixed plate (6) is connected with the top surface of the support inclined table seat (2), the bottom end of the rotary furnace cylinder (4) is rotatably connected with a discharge hopper (5), the bottom surface of the discharge hopper (5) is connected with the top surface of the support inclined table seat (2), a preheating mechanism (7) is arranged on the feeding fixed plate (6), a first motor (8) is fixedly installed on the outer side of the feeding fixed plate (6), the output shaft of the first motor (8) extends to the inner cavity of the rotary furnace cylinder (4) and is fixedly connected with a rotating shaft (9), a plurality of connecting plates (10) are fixedly connected on one side of the rotating shaft (9), the end portions of the plurality of connecting plates (10) are fixedly connected with scrapers (11), the end surfaces of the scrapers (11) are in abutment with the inner wall of the rotary furnace cylinder (4), the other side of the rotating shaft (9) is fixedly connected with two brackets (12), a rotating rod (13) is rotatably connected between the two brackets (12), a plurality of chopping knives (14) are fixedly connected on the side of the rotating rod (13), a second motor (15) is fixedly installed on the outer side of one of the brackets (12), and the output shaft of the second motor (15) is connected with the end portion of the rotating rod (13).
2. A high efficiency energy saving rotary furnace as claimed in claim 1 wherein: The preheating mechanism (7) comprises a feeding pipe (17) which is fixedly sleeved on the feeding fixed plate (6), a switch valve (18) is fixedly installed on the top end of the feeding pipe (17), a storage hopper (19) is fixedly sleeved on the input end of the switch valve (18), the bottom end of the feeding pipe (17) extends to the inner cavity of the rotary furnace cylinder (4), a preheating cylinder (20) is fixedly sleeved on the outer side of the storage hopper (19), a plurality of exhaust holes (21) are formed in the top surface of the preheating cylinder (20), an air outlet pipe (22) is fixedly sleeved on the side of the bottom end of the preheating cylinder (20), and the end portion of the air outlet pipe (22) extends to the inner cavity of the rotary furnace cylinder (4) through the feeding fixed plate (6).
3. A high efficiency energy saving rotary furnace as claimed in claim 1 wherein: A second gear (25) is fixedly sleeved on the outer side of the rotary furnace cylinder (4), a third motor (26) is fixedly installed on the rotating frame (3), a first gear (27) is fixedly sleeved on the output shaft of the third motor (26), and the first gear (27) and the second gear (25) are in meshing engagement.
4. A high efficiency energy saving rotary furnace as claimed in claim 1, wherein: A blowing pump (23) is fixedly installed on the outer side of the feeding fixed plate (6), and the output end of the blowing pump (23) extends to the inner cavity of the rotary furnace cylinder (4).
5. A high efficiency energy saving rotary furnace as claimed in claim 1, wherein: A protective shell (16) is fixedly connected on the outer side of the bracket (12) and outside the second motor (15).
6. A high efficiency energy saving rotary furnace as claimed in claim 1 wherein: A heater (24) is fixedly sleeved on the outer side of the rotary furnace cylinder (4).
Citation Information
Patent Citations
Efficient energy -saving rotary reduction furnace
CN207862380U