Intelligent control rotary kiln

Abstract

The utility model discloses an intelligent regulation and control rotary kiln, and relates to the technical field of furnaces. An intelligent regulation and control rotary kiln comprises a kiln head seat and a kiln body, a waste heat recovery device is arranged on the kiln body and comprises a gas collection box, a sliding seat and a preheating box, the preheating box is fixedly connected to the outer wall of one side of the kiln body, the gas collection box is fixedly connected to the outer wall of the kiln body, and a heat exchanger is installed on the outer wall of the kiln body. A fan in the waste heat recovery device directly collects one part of hot air in the kiln body through a gas collection tank, and when the hot air entering the gas collection tank passes through an activated carbon adsorption plate, dust, impurities and the like in the hot air are adsorbed; the purified hot air continues to flow in the air collecting box, enters the heat exchanger through the connecting pipe and then enters the preheating box through the connecting pipe, then the treated hot air preheats air in the air inlet pipe, and therefore waste heat utilization of the device is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of furnace, especially a kind of intelligent control rotary kiln. BACKGROUND

[0002] Rotary kiln is a kind of equipment widely used in industrial production, mainly used for calcination, roasting, drying and other process of material. It is mainly composed of cylinder, supporting device, transmission device, combustion device and cooling device.

[0003] Among them, rotary kiln is mainly composed of cylinder, supporting device, transmission device, combustion device and cooling device, cylinder is usually welded by steel plate, with certain strength and rigidity, inside is usually divided into preheating zone, calcination zone and cooling zone three regions, to meet different process requirements, material enters from one end of kiln, gradually moves to the other end by rotating movement. In the process, material is affected by high temperature and other treatment conditions, chemical and physical changes occur, fuel and air are provided inside rotary kiln, high temperature environment is formed, so that material is calcined, roasted and other process under high temperature.

[0004] The existing rotary kiln produces a large amount of high-temperature hot gas in high-temperature calcination process, the heat in these hot gases leaks a lot to the outside of cylinder, which not only causes serious waste of energy, but also has adverse effects on the surrounding working environment, thereby increasing production cost, causing a lot of energy waste and environmental pollution, and reducing the practicability of equipment. TECHNICAL CONTENT

[0005] The utility model aims at least to solve one of the technical problems existing in prior art, and provides an intelligent control rotary kiln, which can solve the problem that rotary kiln produces a large amount of high-temperature hot gas in high-temperature calcination process, the heat in these hot gases leaks a lot to the outside of cylinder, which not only causes serious waste of energy, but also has adverse effects on the surrounding working environment, thereby increasing production cost, causing a lot of energy waste and environmental pollution, and reducing the practicability of equipment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an intelligent control rotary kiln, comprising kiln head seat and kiln body, the kiln body is provided with waste heat recovery device;

[0007] Waste heat recovery device includes gas collection tank, sliding seat and preheating box, preheating box is fixedly connected on one side of outer wall of kiln body, gas collection tank is fixedly connected on outer wall of kiln body, five gas inlet pipes are installed in preheating box, heat exchanger is installed on outer wall of kiln body, heat exchanger is connected with one side of outer wall of preheating box through connecting pipe, sliding seat groove is formed in lower end of outer wall of gas collection tank, outer wall of sliding seat is slidably connected with the inside of sliding seat groove;

[0008] Two fixed bolt grooves are formed in the outer walls of the gas collecting box, two fixed blocks are fixedly connected to the outer walls of the sliding seat, two fixed bolts are threadedly connected to the two fixed blocks, a fixed bolt groove is arranged in the upper end of the gas collecting box, an activated carbon adsorption plate is fixedly connected to the inner wall of the sliding seat, and a fan is arranged in the upper end of the gas collecting box.

[0009] Preferably, the preheating box is fixedly extended to the inside of the kiln body, the gas collecting box is fixedly extended to the inside of the kiln body and communicates with the inside of the kiln body, and the two ends of the five air inlet pipes are fixedly extended to the outside of the preheating box.

[0010] Preferably, the four fixed bolts are threadedly extended to the outside of the fixed blocks and are threadedly connected to the inside of the corresponding fixed bolt grooves, and the heat exchanger is connected to the upper end of the gas collecting box through the connecting pipe.

[0011] Preferably, the kiln tail seat is arranged on one side of the lower end supporting seat of the kiln head seat, and the two ends of the kiln body are rotatably connected to the outer wall of one side of the kiln tail seat and the outer wall of one side of the kiln head seat.

[0012] Preferably, the kiln body is rotatably extended to the outside of the kiln tail seat.

[0013] Preferably, the kiln body is rotatably extended to the inside of the kiln head seat.

[0014] Preferably, the kiln body is rotatably extended to the inside of the kiln head seat.

[0015] Preferably, the kiln body is rotatably extended to the inside of the kiln head seat.

[0016] Preferably, the kiln body is rotatably extended to the inside of the kiln head seat.

[0017] Preferably, the kiln body is rotatably extended to the inside of the kiln head seat.

[0018] Preferably, the kiln body is rotatably extended to the inside of the kiln head seat.

[0019] Compared with the prior art, the kiln has the advantages that:

[0020] 1、The intelligent control rotary kiln, through the fan in the waste heat recovery device, the hot gas inside the kiln body is directly collected through the gas collecting box, the dust, impurities and the like in the hot gas entering the gas collecting box are adsorbed when passing through the activated carbon adsorption plate, the purified hot gas continues to flow in the gas collecting box, enters the heat exchanger inside through the connecting pipe, then the treated hot gas preheats the air inside the air inlet pipe, which effectively improves the waste heat utilization of the equipment, effectively avoids the waste of energy and environmental pollution, and further improves the practicability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model is further illustrated below in combination with the drawings and embodiments:

[0022] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0023] Figure 2 It is a structure schematic view of the activated carbon adsorption plate outside the utility model;

[0024] Figure 3 It is a structure schematic view of the gas collecting box inside the utility model;

[0025] Figure 4 It is a structure schematic view of the utility model Figure 3 It is a structure schematic view of the enlarged view of A in the utility model.

[0026] Drawing reference: 1, kiln head base; 2, feeding box; 3, heat exchanger; 4, gas collecting box; 5, fixed bolt; 6, sliding seat; 7, preheating box; 8, discharge pipe; 9, kiln tail base; 10, air inlet pipe; 11, motor; 12, small rotating gear; 13, large rotating gear; 14, activated carbon adsorption plate; 15, fan; 16, fixed bolt groove; 17, sliding seat groove; 18, kiln body; 19, fixed block. DETAILED DESCRIPTION

[0027] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0028] In the description of the utility model, it should be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by up, down, front, back, left, right and the like is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as the limitation of the utility model.

[0029] In the description of the utility model, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number.If there is a description to the first, second is only used for distinguishing technical features for the purpose, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0030] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be broadly understood, and the specific meaning of the above words in the utility model can be reasonably determined by the person skilled in the art in combination with the specific content of the technical scheme.

[0031] Please refer to Figures 1-4 The utility model provides a technical scheme: an intelligent control rotary kiln, including kiln head seat 1 and kiln body 18;

[0032] The kiln body 18 is provided with a waste heat recovery device;

[0033] The waste heat recovery device includes a gas collection tank 4, a sliding seat 6 and a preheating tank 7, the preheating tank 7 is fixedly connected on one side outer wall of the kiln body 18, the gas collection tank 4 is fixedly connected on the outer wall of the kiln body 18, the preheating tank 7 is fixedly extended to the inside of the kiln body 18 near one end of the kiln body 18, the gas collection tank 4 is fixedly extended to the inside of the kiln body 18 near one end of the kiln body 18 and communicates with the inside of the kiln body 18, five air inlet pipes 10 are installed in the inside of the preheating tank 7, both ends of the five air inlet pipes 10 are fixedly extended to the outside of the preheating tank 7, a heat exchanger 3 is installed on the outer wall of the kiln body 18, the heat exchanger 3 is connected with one side outer wall of the preheating tank 7 through a connecting pipe, the inside of the five air inlet pipes 10 communicates with the inside of the kiln body 18, a sliding seat groove 17 is formed in the lower end outer wall of the gas collection tank 4, the outer wall of the sliding seat 6 is slidably connected with the inside of the sliding seat groove 17, two fixed bolt grooves 16 are formed in the outer wall of the gas collection tank 4 on both sides, fixed blocks 19 are fixedly connected on the outer wall of the sliding seat 6 on both sides, two fixed bolts 5 are threadedly connected on the two fixed blocks 19, four fixed bolts 5 are threadedly extended to the outside of the fixed block 19 near one end of the fixed bolt groove 16 and are threadedly connected with the inside of the corresponding fixed bolt groove 16, one end of the heat exchanger 3 away from the preheating tank 7 is connected with the upper end of the gas collection tank 4 through a connecting pipe, a fixed bolt groove 16 is installed in the upper end inside of the gas collection tank 4, an activated carbon adsorption plate 14 is fixedly connected on the inner wall of the sliding seat 6, and a fan 15 is installed in the upper end inside of the gas collection tank 4.

[0034] The kiln head base 1 lower end support seat side is provided with a kiln tail base 9, both ends of the kiln body 18 are rotatably connected with one side outer wall of the kiln tail base 9 and one side outer wall of the kiln head base 1, the end of the kiln body 18 close to the kiln tail base 9 rotatably extends to the outside of the kiln tail base 9, the end of the kiln body 18 close to the kiln head base 1 rotatably extends to the inside of the kiln head base 1, the kiln head base 1 upper end is provided with a feeding box 2, the feeding box 2 fixedly extends to the inside of the kiln head base 1 and is connected with the outer wall of the kiln body 18, the inside of the kiln body 18 communicates with the inside of the feeding box 2, the kiln head base 1 lower end support seat is fixedly connected with a motor 11, the output end of the motor 11 is fixedly connected with a small rotating gear 12, the outer wall of the small rotating gear 12 is provided with teeth, the outer wall of the small rotating gear 12 is meshed with the outer wall of a large rotating gear 13 fixedly connected with the outer wall of the kiln body 18 close to the kiln head base 1, the end of the kiln body 18 close to the kiln tail base 9 is provided with a discharging pipe 8.

[0035] Further, in use, the device is started by connecting an external power supply, the kaolin material is fed from the feeding box 2 into the inside of the kiln body 18, the motor 11 is started to drive the small rotating gear 12 to rotate, and then the kiln body 18 is rotated around the axis by meshing with the large rotating gear 13, in the rotating process, the kaolin material continuously tumbles in the kiln body 18 and fully contacts with the high-temperature environment in the kiln to perform physical and chemical changes, after calcination and roasting for a certain time, the material is discharged from the discharging pipe 8, at the same time, the fan 15 directly collects part of the hot gas in the inside of the kiln body 18 through the gas collecting box 4, the hot gas entering the gas collecting box 4 is adsorbed by the activated carbon adsorption plate 14 when passing through the activated carbon adsorption plate 14, the purified hot gas continues to flow in the gas collecting box 4 and enters the inside of the heat exchanger 3 through the connecting pipe, then enters the inside of the preheating box 7 through the connecting pipe, then the treated hot gas preheats the air in the inside of the air inlet pipe 10 in the inside of the preheating box 7, which effectively improves the waste heat utilization of the equipment, then when the activated carbon adsorption plate 14 needs to be cleaned or replaced, the fixed bolts 5 are loosened, the sliding seat 6 is slid and taken out from the lower end of the gas collecting box 4, which is convenient to operate.

[0036] Part of the hot gas in the inside of the kiln body 18 is directly collected by the fan 15 in the waste heat recovery device through the gas collecting box 4, the hot gas entering the gas collecting box 4 is adsorbed by the activated carbon adsorption plate 14 when passing through the activated carbon adsorption plate 14, the purified hot gas continues to flow in the gas collecting box 4 and enters the inside of the heat exchanger 3 through the connecting pipe, then enters the inside of the preheating box 7 through the connecting pipe, then the treated hot gas preheats the air in the inside of the air inlet pipe 10 in the inside of the preheating box 7, which effectively improves the waste heat utilization of the equipment, at the same time, effectively avoids the waste of energy and environmental pollution, and further improves the practicability of the equipment.

[0037] Structure description: kiln head base 1: as a rotary kiln support structure, its lower end support seat side is provided with a kiln tail base 9, which supports the kiln body 18 together, the upper end of the kiln head base 1 is provided with a feeding box 2, which is fixedly extended into the kiln head base 1 and connected with the outer wall of the kiln body 18, and the material enters the kiln body 18 through the feeding box 2. In addition, the lower end support seat of the kiln head base 1 is fixedly connected with a motor 11, the output end of the motor 11 is fixedly connected with a small rotating gear 12, the outer wall of the large rotating gear 13 fixedly connected with the kiln body 18 close to the kiln head base 1 side is meshed with the gear teeth of the small rotating gear 12, and the motor 11 drives the kiln body 18 to rotate through gear transmission;

[0038] Gas collecting box 4: fixedly connected with the outer wall of the kiln body 18, which is fixedly extended into the kiln body 18 close to one end of the kiln body 18 and communicated with the inside of the kiln body 18, used for collecting hot gas in the kiln body 18, the lower end of the gas collecting box 4 is provided with a sliding seat groove 17, and the outer wall of both sides is provided with two fixed bolt grooves 16, the upper end of the gas collecting box 4 is provided with a fixed bolt groove 16, and the upper end is connected with the heat exchanger 3 away from the preheating box 7 through a connecting pipe;

[0039] Sliding seat 6: the outer wall is slidably connected with the inner wall of the sliding seat groove 17, and can slide at the lower end of the gas collecting box 4, the outer wall of both sides of the sliding seat 6 is fixedly connected with a fixed block 19, which is screwed with the fixed bolt groove 16 on the gas collecting box 4 through four fixed bolts 5, so as to realize the fixation or disassembly of the sliding seat 6 and the gas collecting box 4, facilitate maintenance and cleaning, and the inner wall of the sliding seat 6 is fixedly connected with an activated carbon adsorption plate 14 for adsorbing impurities in the hot gas;

[0040] Preheating box 7: fixedly connected with the outer wall of the kiln body 18, which is fixedly extended into the kiln body 18 close to one end of the kiln body 18, the preheating box 7 is provided with five gas inlet pipes 10, both ends of the gas inlet pipe 10 are fixedly extended to the outside of the preheating box 7, and the inside of the gas inlet pipe 10 is communicated with the inside of the kiln body 18, so that the hot gas in the kiln body 18 can enter the preheating box 7 through the gas inlet pipe 10, and one side of the preheating box 7 is connected with the heat exchanger 3 through a connecting pipe;

[0041] Heat exchanger 3: installed on the outer wall of the kiln body 18, connected with the preheating box 7 and the gas collecting box 4 through connecting pipes, is a key component of the waste heat recovery device, used for heat exchange, transferring heat in the hot gas to other medium, realizing waste heat recovery and utilization;

[0042] The above embodiment of the present application is described in detail in combination with the drawings, but the present application is not limited to the above embodiment, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the present application.

Claims

1. An intelligent control rotary kiln, comprising a kiln head base (1) and a kiln body (18), characterized in that: The kiln body (18) is provided with a waste heat recovery device; The waste heat recovery device comprises a gas collecting box (4), a sliding seat (6) and a preheating box (7), the preheating box (7) is fixedly connected to one side of the outer wall of the kiln body (18), the gas collecting box (4) is fixedly connected to the outer wall of the kiln body (18), five air inlet pipes (10) are installed in the preheating box (7), a heat exchanger (3) is installed on the outer wall of the kiln body (18), the heat exchanger (3) is connected to one side of the outer wall of the preheating box (7) through a connecting pipe, a sliding seat groove (17) is formed in the lower end of the outer wall of the gas collecting box (4), and the outer wall of the sliding seat (6) is slidably connected to the inside of the sliding seat groove (17); The outer wall of the gas collecting box (4) is provided with two fixed bolt grooves (16) on both sides, the outer wall of the sliding seat (6) is fixedly connected with a fixed block (19) on both sides, two fixed bolts (5) are threadedly connected to the upper and lower ends of the two fixed blocks (19), a fixed bolt groove (16) is installed in the upper end of the gas collecting box (4), an activated carbon adsorption plate (14) is fixedly connected to the inner wall of the sliding seat (6), and a fan (15) is installed in the upper end of the gas collecting box (4).

2. The smartly regulated rotary kiln of claim 1, wherein: The preheating box (7) is fixedly extended to the inside of the kiln body (18) near one end of the kiln body (18), the gas collecting box (4) is fixedly extended to the inside of the kiln body (18) near one end of the kiln body (18) and communicates with the inside of the kiln body (18), both ends of the five air inlet pipes (10) are fixedly extended to the outside of the preheating box (7), and the inside of the five air inlet pipes (10) communicates with the inside of the kiln body (18). The outer wall of the gas collecting box (4) is provided with two fixed bolt grooves (16) on both sides, the outer wall of the sliding seat (6) is fixedly connected with a fixed block (19) on both sides, two fixed bolts (5) are threadedly connected to the upper and lower ends of the two fixed blocks (19), a fixed bolt groove (16) is installed in the upper end of the gas collecting box (4), an activated carbon adsorption plate (14) is fixedly connected to the inner wall of the sliding seat (6), and a fan (15) is installed in the upper end of the gas collecting box (4).

3. The smartly regulated rotary kiln of claim 1, wherein: The heat exchanger (3) is connected to the upper end of the gas collecting box (4) through the connecting pipe away from the preheating box (7). The kiln head seat (1) is provided with a kiln tail seat (9) on one side of the lower end support seat, and both ends of the kiln body (18) are rotatably connected to one side of the outer wall of the kiln tail seat (9) and one side of the outer wall of the kiln head seat (1) respectively; 4. The smartly regulated rotary kiln of claim 1, wherein: The outer wall of the gas collecting box (4) is provided with two fixed bolt grooves (16) on both sides, the outer wall of the sliding seat (6) is fixedly connected with a fixed block (19) on both sides, two fixed bolts (5) are threadedly connected to the upper and lower ends of the two fixed blocks (19), a fixed bolt groove (16) is installed in the upper end of the gas collecting box (4), an activated carbon adsorption plate (14) is fixedly connected to the inner wall of the sliding seat (6), and a fan (15) is installed in the upper end of the gas collecting box (4). The inside of the kiln body (18) communicates with the inside of the feeding box (2); 5. The smartly regulated rotary kiln of claim 1, wherein: The lower end support seat of the kiln head seat (1) is fixedly connected with a motor (11), and the output end of the motor (11) is fixedly connected with a small rotating gear (12). The kiln body (18) is fixedly connected with a large rotating gear (13) on one side of the outer wall near the kiln head seat (1); 6. The smartly regulated rotary kiln of claim 1, wherein: The outer wall teeth of the small rotating gear (12) are meshed with the outer wall teeth of the large rotating gear (13), and the kiln body (18) is provided with a discharge pipe (8) on one end near the kiln tail seat (9). ​

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