Efficient calcining equipment for powder lime

Abstract

The utility model relates to efficient calcining equipment for lime powder, which belongs to the technical field of lime powder production and comprises a furnace body, a stirring pipe is rotatably connected into the furnace body, two fixing plates are fixedly connected to the top end of the outer side of the stirring pipe, and rotating shafts are rotatably connected into the fixing plates. The lime calcining device has the beneficial effects that when lime powder in the furnace body needs to be calcined, the stirring auger can be driven to stir the lime powder through the rotation of the stirring pipe, so that the calcining effect of the calcining mechanism on the lime powder is improved, and meanwhile, a fixed plate can be driven to rotate, so that a transmission gear can roll outside an inner gear ring; and through the arrangement of the scraping plate, the lime powder on the periphery of the interior of the furnace body can be stirred, the lime powder on the inner wall of the furnace body can be scraped off, the adhesion phenomenon of the lime powder is reduced, the lime powder is calcined more thoroughly, and the calcining effect of the lime powder is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of powdered lime production, in particular to a high-efficiency powdered lime calcining device. Background Art

[0002] Limestone is a common non-metallic mineral and a valuable resource with a wide range of uses. Quicklime is an indispensable industrial raw material in industrial production, and lime powder is a construction industry raw material produced by crushing, grinding and calcining limestone. The processed lime powder is a white powdery solid and is widely used in housing construction, road infrastructure, industrial production and other occasions.

[0003] After searching, a Chinese patent discloses a high-efficiency calcining equipment for lime production (authorization announcement number CN218345358U), including a furnace body, the outer wall of the furnace body is fixedly connected to a flame burner, the upper end of the furnace body is provided with a feed pipe, the lower end is provided with a discharge pipe, the discharge pipe is provided with a discharge valve, the furnace body is provided with a stirrer, the stirrer includes a rotating shaft vertically rotatably assembled in the furnace body and a driving motor fixedly connected to the upper side of the furnace body and driving the rotating shaft to rotate, a fixed sleeve coaxial with the rotating shaft is fixedly connected in the furnace body, a plurality of worm segments arranged vertically at intervals are provided on the rotating shaft, a plurality of stirring rods are rotatably assembled on the fixed sleeve radially corresponding to the worm segments, the end of the stirring rod is fixedly connected to a worm wheel matching the worm segment, the lower end of the rotating shaft is fixedly connected to an auger, and the auger extends into the discharge pipe on the upper side of the discharge valve. Although the patented technology can be used in high-efficiency calcining equipment, the limestone is heated evenly and the calcination effect is good.

[0004] However, the above device still has some disadvantages in actual use. The most obvious one is that the furnace body in the above high-efficiency calcining equipment for lime production is deep, and during the calcination of lime raw materials, the lime raw materials will more or less adhere to the inner wall of the furnace body, resulting in incomplete calcination of the lime raw materials. In addition, the bottom of the above furnace body is round all around, which can easily cause the lime raw materials to accumulate in the dead corner at the bottom, making it inconvenient to unload the materials. Utility Model Content

[0005] In view of the problems in the prior art: the furnace body in the above-mentioned efficient calcining equipment for lime production is relatively deep, and during the calcination of the lime raw material, the lime raw material will more or less adhere to the inner wall of the furnace body, resulting in incomplete calcination of the lime raw material, and the bottom of the above-mentioned furnace body is circular, which easily leads to the accumulation of lime raw material in the dead corner at the bottom, making it inconvenient to unload the material. The main purpose of the utility model is to provide a high-efficiency calcining equipment for powdered lime.

[0006] The technical solution of the utility model is as follows: a kind of high-efficiency calcining equipment of powdered lime, comprising a furnace body, a stirring tube is rotatably connected inside the furnace body, two fixed plates are fixedly connected to the top end of the outer side of the stirring tube, the fixed plates are rotatably connected to the inside of the fixed plates, the outer sides of the rotating shafts are equidistantly fixedly connected to scrapers, the inner wall of the furnace body is fixedly connected to an inner gear ring, the outer top end of the rotating shaft is fixedly connected to a transmission gear, the transmission gears are meshed with the inner gear ring, the outer sides of the scrapers are in contact with the inner wall of the furnace body, the outer side of the stirring tube is equidistantly fixedly connected to a stirring auger, the outer side of the furnace body is provided with a calcining mechanism, and the bottom end of the inner wall of the furnace body is provided with a feeding mechanism.

[0007] By adopting the above technical scheme, the stirring tube is rotated to drive the stirring auger to stir the powdered lime, thereby improving the calcination effect of the calcination mechanism on the powdered lime, and at the same time, it can drive the rotation of the fixed plate, so that the transmission gear can roll outside the inner gear ring, and then drive the rotation of the rotating shaft and the scraper. The setting of the scraper can not only stir the powdered lime at the outer periphery of the furnace body, but also scrape the powdered lime on the inner wall of the furnace body, reduce the adhesion of the powdered lime, and make the calcination of the powdered lime more thorough.

[0008] As a preferred embodiment, the calcining mechanism includes a calcining furnace fixedly mounted on the outside of the furnace body, the top end of the stirring tube extends to the outside of the furnace body and is fixedly connected with a rotating joint, the output end of the calcining furnace is fixedly connected to the end of the rotating joint away from the stirring tube, and the internal array of the stirring tube has air inlet holes.

[0009] By adopting the above technical solution and setting up the calcining furnace, the calcining high-temperature gas can be evenly dispersed in the furnace body through the air inlet holes in the stirring tube, so that each layer of powdered lime can be calcined more evenly.

[0010] As a preferred embodiment, the unloading mechanism includes a bottom acceleration plate fixedly installed at the bottom of the stirring tube, the bottom end of the inner wall of the furnace body is provided with an inclined surface, the outer side of the bottom acceleration plate is in contact with the inclined surface, and the bottom end of the furnace body is fixedly connected with a discharge pipe.

[0011] By adopting the above technical solution and setting the inclined surface, the bottom dead corner in the furnace body can be reduced, thereby reducing the accumulation of powdered lime and increasing the feeding speed of powdered lime.

[0012] As a preferred embodiment, an L-shaped plate is fixedly connected to the top of the furnace body, a servo motor is fixedly connected to the top of the L-shaped plate, a driving gear is fixedly connected to the output shaft of the servo motor, a driven gear is fixedly connected to the outer side of the stirring tube, and the driving gear is meshingly connected to the driven gear.

[0013] By adopting the above technical solution, the rotation of the output shaft of the servo motor can drive the rotation of the driving gear, and then drive the rotation of the driven gear.

[0014] As a preferred embodiment, air outlet holes are equidistantly provided at the top of the furnace body, and a feed pipe is fixedly connected to the top of the furnace body.

[0015] By adopting the above technical solution and setting the feeding pipe, it is convenient to put the powdered lime into the furnace body for calcination.

[0016] As a preferred embodiment, support legs are fixedly connected around the bottom of the furnace body, and valves are provided inside the feed pipe and the discharge pipe.

[0017] By adopting the above technical solution and setting the supporting feet, an important supporting role can be played for the entire device.

[0018] Compared with the prior art, the advantages and positive effects of the utility model are:

[0019] 1. In the utility model, when it is necessary to calcine the powdered lime in the furnace body, the stirring tube can be rotated to drive the stirring auger to stir the powdered lime, thereby improving the calcination effect of the calcination mechanism on the powdered lime, and at the same time, it can drive the rotation of the fixed plate, so that the transmission gear can roll outside the inner gear ring, and then drive the rotation of the rotating shaft and the scraper. The setting of the scraper can not only stir the powdered lime at the outer periphery of the furnace body, but also scrape the powdered lime on the inner wall of the furnace body, reduce the adhesion of the powdered lime, make the calcination of the powdered lime more thorough, and further improve the calcination effect of the powdered lime.

[0020] 2. In the utility model, by setting the inclined surface, the bottom dead angle in the furnace body can be reduced, thereby reducing the accumulation of powdered lime and increasing the feeding speed of powdered lime. By setting the bottom acceleration plate, the powdered lime adhering to the inclined surface can be scraped off, and the feeding speed of powdered lime can be further accelerated. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0022] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0023] Figure 3 For this utility model Figure 2 The enlarged view of point A in the middle;

[0024] Figure 4 For this utility model Figure 2 Enlarged view of point B in the middle.

[0025] Legend: 1. Furnace body; 2. Calcination furnace; 3. Feed pipe; 4. Stirring pipe; 5. Fixed plate; 6. Rotating shaft; 7. Transmission gear; 8. Internal gear ring; 9. Scraper; 10. Air inlet; 11. Bottom acceleration plate; 12. Stirring auger; 13. L-shaped plate; 14. Servo motor; 15. Driving gear; 16. Driven gear; 17. Rotary joint. DETAILED DESCRIPTION

[0026] The technical solutions 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, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0027] Reference Figure 1-4 A high-efficiency calcining equipment for powdered lime comprises a furnace body 1, a stirring tube 4 is rotatably connected inside the furnace body 1, two fixed plates 5 are fixedly connected to the top of the outer side of the stirring tube 4, the fixed plates 5 are rotatably connected to the inside of the fixed plates 5, the outer sides of the rotating shafts 6 are equidistantly fixedly connected to the scrapers 9, the inner wall of the furnace body 1 is fixedly connected to an inner gear ring 8, the outer top of the rotating shaft 6 is fixedly connected to a transmission gear 7, the transmission gears 7 are meshed with the inner gear ring 8, the outer sides of the scrapers 9 are in contact with the inner wall of the furnace body 1, the outer side of the stirring tube 4 is equidistantly fixedly connected to a stirring auger 12, a calcining mechanism is arranged on the outer side of the furnace body 1, and a feeding mechanism is arranged on the bottom end of the inner wall of the furnace body 1.

[0028] When it is necessary to calcine the powdered lime in the furnace body 1, the stirring tube 4 can be rotated to drive the stirring auger 12 to stir the powdered lime, thereby improving the calcination effect of the calcination mechanism on the powdered lime, and at the same time can drive the rotation of the fixed plate 5, so that the transmission gear 7 can roll outside the inner gear ring 8, and then can drive the rotation of the rotating shaft 6 and the scraper 9. The setting of the scraper 9 can not only stir the powdered lime at the inner periphery of the furnace body 1, but also scrape the powdered lime on the inner wall of the furnace body 1, reduce the adhesion of the powdered lime, make the calcination of the powdered lime more thorough, and further improve the calcination effect of the powdered lime.

[0029] Reference Figure 1 The calcining mechanism includes a calcining furnace 2 fixedly installed on the outside of the furnace body 1, the top end of the stirring tube 4 extends to the outside of the furnace body 1 and is fixedly connected with a rotating joint 17, the output end of the calcining furnace 2 is fixedly connected to the end of the rotating joint 17 away from the stirring tube 4, and the internal array of the stirring tube 4 has an air inlet hole 10.

[0030] When in use, the calcining furnace 2 is arranged so that the calcining high-temperature gas can be evenly dispersed in the furnace body 1 through the air inlet holes 10 in the stirring tube 4, so that each layer of powdered lime is calcined more evenly.

[0031] Reference Figure 2 The unloading mechanism includes a bottom acceleration plate 11 fixedly installed at the bottom of the stirring tube 4, a slope is arranged at the bottom end of the inner wall of the furnace body 1, the outer side of the bottom acceleration plate 11 contacts the slope, and a discharge pipe is fixedly connected to the bottom end of the furnace body 1.

[0032] When in use, the setting of the inclined surface can reduce the bottom dead corner in the furnace body 1, thereby reducing the accumulation of powdered lime and increasing the feeding speed of the powdered lime. The setting of the bottom acceleration plate 11 can scrape off the powdered lime adhering to the inclined surface, and at the same time can further accelerate the feeding speed of the powdered lime.

[0033] Reference Figure 2 An L-shaped plate 13 is fixedly connected to the top of the furnace body 1, a servo motor 14 is fixedly connected to the top of the L-shaped plate 13, a driving gear 15 is fixedly connected to the output shaft of the servo motor 14, a driven gear 16 is fixedly connected to the outer side of the stirring tube 4, and the driving gear 15 is meshed with the driven gear 16.

[0034] When in use, the output shaft of the servo motor 14 rotates to drive the driving gear 15 to rotate, and then drives the driven gear 16 to rotate, thereby realizing power transmission.

[0035] Reference Figure 1 The top of the furnace body 1 is provided with air outlet holes at equal intervals, and the top of the furnace body 1 is fixedly connected with a feed pipe 3. Through the setting of the feed pipe 3, powdered lime can be put into the furnace body 1 for calcination.

[0036] Reference Figure 1 The bottom of the furnace body 1 is fixedly connected with supporting feet all around, and valves are arranged inside the feed pipe 3 and the discharge pipe. The arrangement of the supporting feet can play an important supporting role for the whole equipment.

[0037] Working principle: First, powdered lime can be fed into the furnace body 1 through the feed pipe 3, and the valve at the feed pipe 3 is closed. When the powdered lime in the furnace body 1 needs to be calcined, the servo motor 14 and the calcining furnace 2 are started by the external control device. The rotation of the output shaft of the servo motor 14 can drive the rotation of the driving gear 15, and then drive the rotation of the driven gear 16. The rotation of the stirring tube 4 drives the stirring auger 12 to stir the powdered lime, thereby improving the calcination effect of the calcining mechanism on the powdered lime, and at the same time can drive the rotation of the fixed plate 5, so that the transmission gear 7 can roll outside the inner gear ring 8, and then can drive the rotation of the rotating shaft 6 and the scraper 9. The setting of the scraper 9 not only The powdered lime at the outer periphery of the furnace body 1 can be stirred, and the powdered lime on the inner wall of the furnace body 1 can be scraped off, reducing the adhesion of the powdered lime, making the calcination of the powdered lime more thorough, and further improving the calcination effect of the powdered lime. The calcination furnace 2 can evenly spread the calcination high-temperature gas in the furnace body 1 through the air inlet 10 in the stirring tube 4, so that each layer of powdered lime is calcined more evenly. The setting of the inclined surface can reduce the bottom dead corner in the furnace body 1, thereby reducing the accumulation of powdered lime and increasing the feeding speed of the powdered lime. The setting of the bottom acceleration plate 11 can scrape off the powdered lime adhering to the inclined surface, and at the same time can further accelerate the feeding speed of the powdered lime.

[0038] The above are only preferred embodiments of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high-efficiency calcining device for powdered lime, comprising a furnace body (1), characterized in that: The furnace body (1) is rotatably connected to a stirring tube (4), the top of the outer side of the stirring tube (4) is fixedly connected to two fixed plates (5), the inside of each fixed plate (5) is rotatably connected to a rotating shaft (6), the outer side of each rotating shaft (6) is equidistantly fixedly connected to a scraper (9), the inner wall of the furnace body (1) is fixedly connected to an inner toothed ring (8), the top of the outer side of each rotating shaft (6) is fixedly connected to a transmission gear (7), the transmission gear (7) is meshingly connected to the inner toothed ring (8), the outer side of each scraper (9) is in contact with the inner wall of the furnace body (1), the outer side of the stirring tube (4) is equidistantly fixedly connected to a stirring auger (12), the outer side of the furnace body (1) is provided with a calcining mechanism, and the bottom end of the inner wall of the furnace body (1) is provided with a material discharge mechanism.

2. The high-efficiency calcining equipment for powdered lime according to claim 1, characterized in that: The calcining mechanism comprises a calcining furnace (2) fixedly mounted on the outside of a furnace body (1); the top end of the stirring tube (4) extends to the outside of the furnace body (1) and is fixedly connected to a rotating joint (17); the output end of the calcining furnace (2) is fixedly connected to an end of the rotating joint (17) away from the stirring tube (4); and the internal array of the stirring tube (4) has air inlet holes (10).

3. The high-efficiency calcining equipment for powdered lime according to claim 1 is characterized in that: The material discharge mechanism comprises a bottom acceleration plate (11) fixedly mounted at the bottom of the stirring tube (4); the bottom end of the inner wall of the furnace body (1) is provided with an inclined surface; the outer side of the bottom acceleration plate (11) is in contact with the inclined surface; and the bottom end of the furnace body (1) is fixedly connected with a discharge pipe.

4. The high-efficiency calcining equipment for powdered lime according to claim 1 is characterized in that: An L-shaped plate (13) is fixedly connected to the top of the furnace body (1), a servo motor (14) is fixedly connected to the top of the L-shaped plate (13), a driving gear (15) is fixedly connected to the output shaft of the servo motor (14), a driven gear (16) is fixedly connected to the outer side of the stirring tube (4), and the driving gear (15) is meshingly connected to the driven gear (16).

5. The high-efficiency calcining equipment for powdered lime according to claim 1 is characterized in that: The top of the furnace body (1) is provided with air outlet holes at equal intervals, and the top of the furnace body (1) is fixedly connected to a feed pipe (3).

6. The high-efficiency calcining equipment for powdered lime according to claim 5, characterized in that: Support legs are fixedly connected to the four sides of the bottom of the furnace body (1), and valves are provided inside the feed pipe (3) and the discharge pipe.

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