Incineration device of rotary kiln

Abstract

The utility model discloses a rotary kiln incineration device which comprises a rotating frame and a rotary kiln and further comprises a ventilation scraper blade, an air pump and a filtering feeding device. The rotary kiln is obliquely mounted on the rotating frame; the ventilation scraper comprises a fixed rod and a working rod extending into the rotary kiln, the ventilation scraper is fixedly installed on the rotating frame through the fixed rod, an ash scraping blade is arranged at the end, opposite to the rotating direction of the rotary kiln, of the working rod, a plurality of ventilation openings are sequentially formed in the other end of the working rod in the length extending direction, and the air outlet end of the air pump communicates with the ventilation openings through ventilation pipes; crushing teeth and a separation feeding disc are arranged in the filtering feeding device, one end of the separation feeding disc is arranged below the crushing teeth, and the other end of the separation feeding disc extends to an inlet of the rotary kiln. According to the rotary kiln, the inner wall of the rotary kiln can be cleaned through the ventilation scraper blade and the ventilation opening which are arranged in the ventilation scraper blade, the situation that the combustion efficiency is reduced due to sticky substances on the inner wall is prevented, meanwhile, ventilation combustion supporting is conducted, the incineration efficiency is improved, and the incineration efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary kilns, in particular to a rotary kiln incineration device. Background Art

[0002] Rotary kiln refers to a rotating calcining kiln, which belongs to the category of building materials equipment and is widely used in many production industries such as building materials, metallurgy, chemical industry, environmental protection, etc. Rotary kiln mainly burns and oxidizes toxic and harmful organic matter in hazardous waste through high-temperature calcination, thereby achieving the purpose of harmlessness and reduction.

[0003] For example, the utility model patent with application number CN202220734641.X discloses a hazardous waste incineration rotary kiln, which belongs to the field of rotary kiln technology and includes a kiln body. The kiln body is a cylindrical structure with openings at both ends. The inner wall of the kiln body is paved with a plurality of kiln bricks that are closely attached to each other and form an inner lining structure. The kiln bricks are composite refractory bricks, and the kiln bricks located in the circumferential direction of the kiln body have protrusions and depressions at both ends, respectively. The protrusion of one kiln brick is inserted into the depression of another adjacent kiln brick. After the plurality of kiln bricks are connected in the circumferential direction of the kiln body, a connection structure that is closely attached to each other and prevents falling off is formed, and the laying construction is simple. This hazardous waste incineration rotary kiln achieves the technical effect that the kiln bricks of the rotary kiln for disposing hazardous waste materials are durable, not easy to fall off, and resistant to corrosion.

[0004] Although this type of hazardous waste incineration rotary kiln is not easy to fall off during use and has good corrosion resistance, during the incineration process of the rotary kiln, melted materials will stick to the inner wall of the rotary kiln. As the rotary kiln incinerates, the sticky materials may gradually increase, making it difficult for the incinerated materials in the rotary kiln to rotate, resulting in reduced incineration efficiency. Further improvements are needed. Utility Model Content

[0005] The utility model aims to provide a rotary kiln incineration device, which aims to improve the problem that during the incineration process of the rotary kiln, melted materials will stick to the inner wall of the rotary kiln, and the sticky materials may gradually increase during the incineration process of the rotary kiln, which may easily make it difficult for the incinerated materials in the rotary kiln to rotate, resulting in reduced incineration efficiency.

[0006] The utility model is implemented as follows: a rotary kiln incineration device comprises a rotating frame, a rotary kiln, and also comprises a ventilation scraper, an air pump and a filtering and feeding device; the rotary kiln is installed on the rotating frame at an angle; the ventilation scraper comprises a fixed rod and a working rod extending into the interior of the rotary kiln, the ventilation scraper is fixedly installed on the rotating frame through the fixed rod, an ash scraping blade is arranged at one end of the working rod opposite to the rotating direction of the rotary kiln, and a plurality of ventilation openings are arranged in sequence at the other end in an extended length direction, and the air outlet end of the air pump is connected with the ventilation opening through a ventilation pipe; the filtering and feeding device is provided with crushing teeth and a separation feeding plate, one end of the separation feeding plate is arranged below the crushing teeth, and the other end extends to the entrance of the rotary kiln.

[0007] Preferably, the rotating frame includes an ash cover and a mounting ring, the two ends of the rotary kiln are rotatably mounted on the rotating frame through the mounting rings, the ash cover is detachably mounted on the mounting ring at the lower end of the rotary kiln and sleeved on the lower end of the rotary kiln; the ventilation scraper is fixedly mounted on the rotating frame through the mounting rings at both ends.

[0008] Preferably, the ventilation scraper includes a fixed rod, a working rod, a ventilation main pipe and a mounting screw; the fixed rod is fixed by mounting rings at both ends of the rotating frame, and both ends of the fixed rod extend outside the mounting ring, and mounting screws are rotatably provided at both ends of the fixed rod, and the lower end of the mounting screw is movably connected to the working rod, and the working rod is located inside the rotary kiln.

[0009] Preferably, a spring is also mounted on the mounting screw rod, the upper end of the spring is fixedly connected to the bottom end of the fixing rod, and the lower end of the spring is fixedly connected to the upper end of the working rod.

[0010] Preferably, the air pump is fixedly mounted on the rotating frame, a ventilation main pipe is provided inside the working rod along its length direction, and one end of the vent is connected to the ventilation main pipe and the other end faces the inner wall surface of the rotary kiln.

[0011] Preferably, the filtering and feeding device comprises a crushing box, crushing teeth, a rotating shaft, a motor, a sewage tank and a supporting frame; the crushing box is fixedly arranged above the sewage tank through the supporting frame, a separation feeding plate is fixedly arranged between the crushing box and the sewage tank, and a leakage hole is arranged on the separation feeding plate corresponding to the upper port position of the sewage tank; crushing teeth are rotatably installed in the crushing box through the rotating shaft, two crushing teeth are arranged in meshing relationship, and one end of the rotating shaft is fixedly connected to the motor.

[0012] Preferably, the rotating shaft is rotatably installed in the crushing box, one end of the rotating shaft passes through the box body of the crushing box and extends to the outside to be connected with a motor, and the motor is fixedly installed on the outside of the crushing box through a support frame.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model provides a ventilation scraper, and the scraping blade and the vents provided in the ventilation scraper can clean the inner wall of the rotary kiln to prevent the sticky matter on the inner wall from reducing the combustion efficiency. At the same time, ventilation can be performed to assist combustion, thereby improving the incineration efficiency of the rotary kiln and further improving the incineration efficiency.

[0015] 2. The utility model provides a filtering and feeding device, and roughly crushes the material to be incinerated by means of crushing teeth, so that the liquid inside is completely released. At the same time, the solid-liquid separation is performed by the separation feeding plate, so that the liquid in the material to be incinerated can be filtered out to prevent the liquid from affecting the temperature inside the rotary kiln. At the same time, the material to be incinerated can be crushed into small pieces, thereby improving the incineration efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the rotating frame of the utility model;

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the bottom of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the ventilation scraper of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the filtering and feeding device of the utility model.

[0021] In the figure: 1, rotating frame; 101, ash cover; 102, mounting ring; 2, rotary kiln; 3, ventilation scraper; 301, fixing rod; 302, working rod; 303, ash scraper blade; 304, vent; 305, ventilation main pipe; 306, mounting screw; 307, spring; 4, air pump; 5, ventilation pipe; 6, filtering and feeding device; 601, crushing box; 602, crushing teeth; 603, rotating shaft; 604, motor; 605, supporting frame; 606, separation feeding plate; 607, water leakage hole; 608, sewage tank; 609, supporting frame. DETAILED DESCRIPTION

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0024] Example 1

[0025] like Figure 1-Figure 3As shown, a rotary kiln incineration device includes a rotary frame crushing box 601, a rotary kiln 2, and also includes a ventilation scraper 3, an air pump 4 and a filtering and feeding device 6; the rotary kiln 2 is installed on the rotary frame 1 at an angle of 5°; the rotary frame 1 includes an ash cover 101 and a mounting ring 102, and both ends of the rotary kiln 2 are rotatably mounted on the rotary frame 1 through the mounting ring 102, and the ash cover 101 is detachably mounted on the mounting ring at the lower end of the rotary kiln 2 and is sleeved on the lower end of the rotary kiln 2, and the ash cover 101 does not touch the rotary kiln 2 and can be opened.

[0026] like Figure 2-Figure 4 As shown, the ventilation scraper 3 includes a fixed rod 301 and a working rod 302 extending into the interior of the rotary kiln 2. The ventilation scraper 3 is fixedly installed on the rotating frame 1 through the mounting rings 102 at both ends. The ventilation scraper 3 includes a fixed rod 301, a working rod 302, a ventilation main pipe 305 and a mounting screw 306; the ventilation scraper 3 is fixedly installed on the rotating frame 1 through the fixed rod 301, and a scraping blade 303 is arranged at one end of the working rod 302 opposite to the rotating direction of the rotary kiln 2. The scraping blade 303 can automatically scrape off the sticky matter on the inner wall of the rotary kiln through the rotation of the rotary kiln 2, and a plurality of ventilation openings 304 are arranged in sequence in the extending length direction at the other end, and the air outlet end of the air pump 4 is connected to the ventilation opening 304 through the ventilation pipe 5; the air pump 4 is fixedly set on the rotating frame 1, and a ventilation main pipe 305 is opened inside the working rod 302 along its length direction, and one end of the ventilation opening 304 is connected to The other end of the ventilation main pipe 305 faces the inner wall of the rotary kiln 2. By making the combustion-supporting air flow along the inner wall of the rotary kiln 2 relative to the rotation direction of the rotary kiln 2, the incineration materials in the rotary kiln 2 can be better burned fully; the fixed rod 301 is fixed by the mounting rings 102 at both ends of the rotating frame 1, and both ends of the fixed rod 301 extend outside the mounting ring 102, and mounting screws 306 are rotatably provided at both ends of the fixed rod 301, and the lower end of the mounting screw 306 is movably connected to the working rod 302, and the working rod 302 can elastically slide up and down along the mounting screw 306 to prevent the working rod 302 from being damaged by rigid collision, and the working rod 302 is located inside the rotary kiln 2; a spring 307 is also mounted on the mounting screw 306, and the upper end of the spring 307 is fixedly connected to the bottom end of the fixed rod 301, and the lower end is fixedly connected to the upper end of the working rod 302.

[0027] like Figure 5As shown, the filter feeding device 6 is provided with a crushing tooth 602 and a separation feeding plate 606, one end of the separation feeding plate 606 is arranged below the crushing tooth 602, and the other end extends to the entrance of the rotary kiln 2; the filter feeding device 6 includes a crushing box 601, a crushing tooth 602, a rotating shaft 603, a motor 604, a sewage tank 608 and a support frame 609; the crushing box 601 is fixedly arranged above the sewage tank 608 through the support frame 609, and the separation feeding plate 606 is fixedly arranged between the crushing box 601 and the sewage tank 608 A leakage hole 607 is provided on the separation feeding plate 606 corresponding to the upper port position of the sewage tank 608; a crushing tooth 602 is rotatably installed in the crushing box 601 through a rotating shaft 603, and the two crushing teeth 602 are meshingly arranged, and one end of the rotating shaft 603 is fixedly connected to a motor 604; the rotating shaft 603 is rotatably installed in the crushing box 601, and one end of the rotating shaft 603 penetrates the box body of the crushing box 601 and extends to the outside to be connected to the motor 604, and the motor 604 is fixedly installed on the outside of the crushing box 601 through a supporting frame 609.

[0028] Example 2

[0029] like Figure 1-Figure 3 As shown, a rotary kiln incineration device includes a rotary frame crushing box 601, a rotary kiln 2, and also includes a ventilation scraper 3, an air pump 4 and a filtering and feeding device 6; the rotary kiln 2 is obliquely installed on the rotary frame 1; the rotary frame 1 includes an ash cover 101 and a mounting ring 102, and both ends of the rotary kiln 2 are rotatably installed on the rotary frame 1 through the mounting ring 102, and the ash cover 101 is detachably installed on the mounting ring at the lower end of the rotary kiln 2 and is sleeved on the lower end of the rotary kiln 2.

[0030] like Figure 2-Figure 4As shown, the ventilation scraper 3 includes a fixed rod 301 and a working rod 302 extending into the interior of the rotary kiln 2. The ventilation scraper 3 is fixedly installed on the rotating frame 1 through the mounting rings 102 at both ends. The ventilation scraper 3 includes a fixed rod 301, a working rod 302, a ventilation main pipe 305 and a mounting screw 306; the ventilation scraper 3 is fixedly installed on the rotating frame 1 through the fixed rod 301, and a scraping blade 303 is arranged at one end of the working rod 302 opposite to the rotating direction of the rotary kiln 2, and a plurality of ventilation holes 304 are arranged in sequence at the other end in the extended length direction, and the air outlet end of the air pump 4 is connected to the ventilation hole 304; the air pump 4 is fixedly arranged on the rotating frame 1, and the working rod 302 is provided with a plurality of ventilation holes 304 in the extended length direction. A ventilation pipe 305 is provided inside along its length direction, one end of the ventilation port 304 is connected to the ventilation pipe 305 and the other end faces the inner wall surface of the rotary kiln 2; the fixed rod 301 is fixedly arranged by the mounting rings 102 at both ends of the rotating frame 1, and both ends of the fixed rod 301 extend outside the mounting rings 102, and mounting screws 306 are rotatably arranged at both ends of the fixed rod 301, and the lower end of the mounting screw 306 is movably connected to the working rod 302, and the working rod 302 is located inside the rotary kiln 2; a spring 307 is also mounted on the mounting screw 306, and the upper end of the spring 307 is fixedly connected to the bottom end of the fixed rod 301, and the lower end is fixedly connected to the upper end of the working rod 302.

[0031] like Figure 5 As shown, the filter feeding device 6 is provided with a crushing tooth 602 and a separation feeding plate 606, one end of the separation feeding plate 606 is arranged below the crushing tooth 602, and the other end extends to the entrance of the rotary kiln 2; the filter feeding device 6 includes a crushing box 601, a crushing tooth 602, a rotating shaft 603, a motor 604, a sewage tank 608 and a support frame 609; the crushing box 601 is fixedly arranged above the sewage tank 608 through the support frame 609, and the separation feeding plate 606 is fixedly arranged between the crushing box 601 and the sewage tank 608 A leakage hole 607 is provided on the separation feeding plate 606 corresponding to the upper port position of the sewage tank 608; a crushing tooth 602 is rotatably installed in the crushing box 601 through a rotating shaft 603, and the two crushing teeth 602 are meshingly arranged, and one end of the rotating shaft 603 is fixedly connected to a motor 604; the rotating shaft 603 is rotatably installed in the crushing box 601, and one end of the rotating shaft 603 penetrates the box body of the crushing box 601 and extends to the outside to be connected to the motor 604, and the motor 604 is fixedly installed on the outside of the crushing box 601 through a supporting frame 609.

[0032] The working principle of the utility model is as follows: the filtering and feeding device 6 and the rotary kiln 2 are started, and then the materials to be incinerated are put into the crushing box 601 through the feeding port at the upper end of the crushing box 601, and then crushed by the crushing teeth 602. The crushed materials to be incinerated are sent into the rotary kiln 2 through the separation feeding plate 606, and at the same time, the leakage holes 607 in the separation feeding plate 606 can filter the liquid in the materials to be incinerated into the sewage tank; during the operation of the rotary kiln 2, the air pump 4 ventilates the rotary kiln 2 through the ventilation pipe 5 to assist combustion, and at the same time, the rotary kiln 2 is evenly ventilated through the ventilation main pipe 305, and at the same time, the scraping blade 303 on the working rod 302 cleans the stains on the inner wall of the rotary kiln 2 during the rotation of the rotary kiln 2.

[0033] In summary, the utility model provides a ventilation scraper 3, and the scraper blade 303 and the vent 304 provided in the ventilation scraper 3 can clean the inner wall of the rotary kiln 2 to prevent the sticky matter on the inner wall from reducing the combustion efficiency. At the same time, ventilation can be performed to assist combustion, thereby improving the incineration efficiency of the rotary kiln 2 and further improving the incineration efficiency. By providing a filtering and feeding device 6, the material to be incinerated is roughly crushed by the crushing teeth 602 to completely release the internal liquid. At the same time, solid-liquid separation is performed by the separation feeding plate 606, so that the liquid in the material to be incinerated can be filtered out to prevent the liquid from affecting the temperature inside the rotary kiln 2. At the same time, the material to be incinerated can be crushed into small pieces to improve the incineration efficiency.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rotary kiln incineration device, comprising a rotating frame (1) and a rotary kiln (2), characterized in that: It also comprises a ventilation scraper (3), an air pump (4), a ventilation pipe (5) and a filtering and feeding device (6); the rotary kiln (2) is obliquely mounted on the rotating frame (1); the ventilation scraper (3) comprises a fixed rod (301) and a working rod (302) extending into the interior of the rotary kiln (2); the ventilation scraper (3) is fixedly mounted on the rotating frame (1) via the fixed rod (301); a scraping blade (303) is arranged at one end of the working rod (302) opposite to the rotating direction of the rotary kiln (2); a plurality of ventilation openings (304) are arranged in sequence at the other end in an extended length direction; the air outlet end of the air pump (4) is connected to the ventilation opening (304) via the ventilation pipe (5); a crushing tooth (602) and a separation feeding disc (606) are arranged in the filtering and feeding device (6); one end of the separation feeding disc (606) is arranged below the crushing tooth (602) and the other end extends to the entrance of the rotary kiln (2).

2. A rotary kiln incineration device according to claim 1, characterized in that: The rotating frame (1) comprises an ash cover (101) and a mounting ring (102); the two ends of the rotary kiln (2) are rotatably mounted on the rotating frame (1) via the mounting rings (102); the ash cover is detachably mounted on the mounting ring at the lower end of the rotary kiln (2) and sleeved onto the lower end of the rotary kiln (2); and the ventilation scraper (3) is fixedly mounted on the rotating frame (1) via the mounting rings (102) at the two ends.

3. A rotary kiln incineration device according to claim 2, characterized in that: The ventilation scraper (3) comprises a fixed rod (301), a working rod (302), a ventilation main pipe (305) and a mounting screw (306); the fixed rod (301) is fixedly arranged by mounting rings (102) at both ends of the rotating frame (1), and both ends of the fixed rod (301) extend outside the mounting ring (102); mounting screws (306) are rotatably arranged at both ends of the fixed rod (301); the lower end of the mounting screw (306) is movably connected to the working rod (302), and the working rod (302) is located inside the rotary kiln (2).

4. A rotary kiln incineration device according to claim 3, characterized in that: The mounting screw rod (306) is also provided with a spring (307), the upper end of the spring (307) is fixedly connected to the bottom end of the fixing rod (301), and the lower end of the spring (307) is fixedly connected to the upper end of the working rod (302).

5. The rotary kiln incineration device according to claim 1, characterized in that: The air pump (4) is fixedly mounted on the rotating frame (1); a ventilation pipe (305) is provided inside the working rod (302) along its length direction; one end of the ventilation opening (304) is connected to the ventilation pipe (305) and the other end faces the inner wall surface of the rotary kiln (2).

6. The rotary kiln incineration device according to claim 1, characterized in that: The filtering and feeding device (6) comprises a crushing box (601), crushing teeth (602), a rotating shaft (603), a motor (604), a sewage tank (608) and a support frame (609); the crushing box (601) is fixedly arranged above the sewage tank (608) via the support frame (609); a separation feeding tray (606) is fixedly arranged between the crushing box (601) and the sewage tank (608); the separation feeding tray (606) is provided with a leaking hole (607) at a position corresponding to an upper port of the sewage tank (608); a crushing tooth (602) is rotatably installed in the crushing box (601) via the rotating shaft (603); two crushing teeth (602) are arranged to mesh with each other; and one end of the rotating shaft (603) is fixedly connected to the motor (604).

7. A rotary kiln incineration device according to claim 6, characterized in that: The rotating shaft (603) is rotatably mounted in the crushing box (601), one end of the rotating shaft (603) passes through the body of the crushing box (601) and extends to the outside to be connected with a motor (604), and the motor (604) is fixedly mounted on the outside of the crushing box (601) via a support frame (609).

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