Kiln tail sealing structure

Abstract

The utility model relates to the technical field of rotary kilns, and discloses a kiln tail sealing structure. The kiln tail sealing structure comprises a kiln tail device, one end of the kiln tail device is provided with an equipment sealing mechanism, and the middle of the kiln tail device is connected with a gas circulation mechanism. The adapter ring is connected to the middle of the kiln tail device, the adapter ring is fixedly connected with the kiln tail device through the installation ring and the insertion roller, the pipe diameter of the adapter ring is consistent with the pipe diameter of the kiln tail device, the inner cylinder is arranged in the kiln tail device, and connection between equipment is reinforced through the inner cylinder; and meanwhile, the adjusting ring is arranged on one side of the adapter ring, the turning radian of the adapter ring is adjusted through the adjusting ring, the radian of the adapter ring is fixed through the fixing device, the circulation range of gas at the turning position is enlarged, and airflow in the kiln tail device smoothly passes through.

Description

Technical Field

[0001] This utility model relates to the field of rotary kiln technology, specifically a kiln tail sealing structure. Background Technology

[0002] Rotary kilns are an important type of industrial equipment. They calcine materials at high temperatures, causing chemical reactions and physical changes to achieve sintering and solidification. This process can improve the density, mechanical strength, and chemical stability of materials. Furthermore, rotary kilns can be used to process waste materials such as waste plastics, waste rubber, waste oil, and waste minerals. Under high-temperature conditions, these wastes can undergo pyrolysis, cracking, or oxidation reactions, transforming them into useful products or safe and harmless substances. Therefore, a kiln tail sealing structure is proposed.

[0003] The existing Chinese utility model patent with publication number CN212720803U discloses a rotary kiln tail sealing structure, belonging to the field of rotary kiln technology. This technical solution includes a cooling ring frame, a support mechanism, and a shielding mechanism. The cooling ring frame is used to seal and fix the kiln tail of the rotary kiln, and the cooling ring frame has a ventilation gap. The support mechanism is detachably installed on the cooling ring frame and located on one side of the ventilation gap. The shielding mechanism is located at the top of the ventilation gap, with one end fixedly installed on the top of the support mechanism. An air inlet channel communicating with the ventilation gap is formed between the shielding mechanism and the support mechanism, and the frontal projection surface of the shielding mechanism can shield the ventilation gap. The purpose of this utility model is to solve the problem that the fixed gaps between the existing sealing and protective plates are exposed to the outside, allowing a large amount of cold air to enter the secondary combustion chamber connected to the kiln tail, leading to a reduction in the output and quality of the rotary kiln.

[0004] Based on the search of the aforementioned patents and the findings of existing equipment, it was discovered that rotary kilns generate gas after burning materials. Due to the long pipelines of rotary kilns, which contain multiple bends and nodes, the gas transmission inside the rotary kiln is slow. Furthermore, gas leaks can occur during the use of rotary kilns, causing gas pollution. These problems all affect the use of the equipment. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a kiln tail sealing structure that has advantages such as good equipment sealing effect and smooth gas transmission, thus solving the aforementioned technical problems.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a kiln tail sealing structure, including a kiln tail device, an equipment sealing mechanism installed at one end of the kiln tail device, a gas flow mechanism connected in the middle of the kiln tail device, the equipment sealing mechanism including: a sealing valve installed at one end of the kiln tail device, a mating interface for equipment fitting and connection provided on one side of the sealing valve, a support sleeve for secondary encryption sleeve sleeved on the outside of the mating interface, a handle provided on the top of the sealing valve, and a pipe port installed on one side of the sealing valve;

[0009] The gas flow mechanism includes: a transition ring connected to the middle of the kiln tail device, an adjustment ring for adjusting the curvature is provided in the middle of the transition ring, and mounting rings are installed at both ends of the transition ring, and a fixing device for fixing the curvature is fixedly installed below the adjustment ring.

[0010] As a preferred embodiment of this utility model, a fixing ring is provided on the outside of the kiln tail device, and a sealing valve is simultaneously connected to the head end of the kiln tail device; the fixing ring provides fixed support for the kiln tail device.

[0011] As a preferred embodiment of this utility model, a connecting ring is provided in the middle of the kiln tail device, and an inserting roller is inserted inside the connecting ring, and an inner cylinder is connected to one side of the kiln tail device; the connecting ring connects the segmented kiln tail devices.

[0012] As a preferred embodiment of this utility model, the sealing valve is provided in two sets, and the support sleeve is connected between the sealing valve and the sealing valve. The sealing valve is connected by fitting through an interface, which is staggered on opposite sides. The sealing valve seals both ends of the kiln tail device.

[0013] As a preferred technical solution of this utility model, the transition ring is connected to the kiln tail device through the mounting ring, and the inserting roller is also inserted between the mounting rings. The pipe diameter of the transition ring is the same as the pipe diameter of the kiln tail device. The fixing device is provided in two sets, and the mounting rings are in groups of two. The transition ring adjusts the transition point of the kiln tail device.

[0014] As a preferred embodiment of this utility model, the kiln tail device is connected by a sleeve ring and an insert roller, and the outer side of the inner cylinder is fixedly connected to one side of the inner wall of the kiln tail device; the insert roller fixes the devices together.

[0015] As a preferred embodiment of this utility model, the kiln tail device is cylindrical, and the fixing rings are equidistantly sleeved on the outside of the kiln tail device, and the kiln tail device is movably connected through the transition ring; the kiln tail device performs combustion processing on the material.

[0016] Compared with the prior art, the present invention provides a kiln tail sealing structure, which has the following beneficial effects:

[0017] 1. This utility model provides a double seal at one end of the kiln tail device by installing sealing valves at both ends, with a connecting port installed on one side of each sealing valve. Two sets of sealing valves are provided. Rotating one side of the sealing valve by 90 degrees allows the connecting ports to fit together, while simultaneously fixing the two sets of sealing valves together. This provides a double seal at one end of the kiln tail device. Additionally, a support sleeve is provided outside the connecting port, which provides a secondary seal between the sealing valves. This effectively prevents gas leakage and greatly improves the sealing effect of the internal gas of the kiln tail device.

[0018] 2. This utility model features a transition ring connected in the middle of the kiln tail device. The transition ring is fixedly connected to the kiln tail device via an installation ring and a roller, and the diameter of the transition ring and the kiln tail device are the same. An inner cylinder is installed inside the kiln tail device to reinforce the connection between the devices and prevent gas leakage. At the same time, an adjustment ring is installed on one side of the transition ring to adjust the turning arc of the transition ring. The arc of the transition ring is fixed by a fixing device, which expands the flow range of gas at the turning point and allows the airflow inside the kiln tail device to pass smoothly. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the sealing valve assembly of this utility model;

[0021] Figure 3 This is a schematic diagram of the structural adapter ring assembly of this utility model;

[0022] Figure 4 This is a schematic diagram of the kiln tail device components of this utility model;

[0023] The components are: 1. Kiln tail device; 11. Sleeve ring; 12. Insertion roller; 13. Inner cylinder; 2. Fixing ring; 3. Sealing valve; 31. Connection interface; 32. Support sleeve; 33. Handle; 34. Pipe port; 4. Adapter ring; 41. Mounting ring; 42. Adjusting ring; 43. Fixing device. Detailed Implementation

[0024] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0025] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" or "linked" should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral connection; it can refer to a mechanical connection or an electrical connection; it can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Please see Figures 1-4 In this embodiment, a kiln tail sealing structure includes a kiln tail device 1. One end of the kiln tail device 1 is equipped with an equipment sealing mechanism, and a gas flow mechanism is connected in the middle of the kiln tail device 1. A sleeve ring 11 is provided in the middle of the kiln tail device 1, and an inserting roller 12 is inserted inside the sleeve ring 11. An inner cylinder 13 is connected to one side of the inside of the kiln tail device 1. The kiln tail device 1 is connected to the sleeve ring 11 and the inserting roller 12, and the outer side of the inner cylinder 13 is fixedly connected to one side of the inner wall of the kiln tail device 1.

[0028] Specifically, the kiln tail device 1 is connected in the middle by a connecting ring 11, which is connected by a roller 12 to connect the segmented kiln tail devices 1. The kiln tail device 1 is also connected to an inner cylinder 13, which makes the connection between the kiln tail devices 1 more airtight and facilitates the installation and splicing of the kiln tail devices 1 according to the site.

[0029] The equipment sealing mechanism includes: a sealing valve 3 installed at one end of the kiln tail device 1, a connecting port 31 on one side of the sealing valve 3, a supporting sleeve 32 sleeved on the outside of the connecting port 31, a handle 33 on the top of the sealing valve 3, and a pipe port 34 installed on one side of the sealing valve 3; two sets of sealing valves 3 are provided, and the supporting sleeve 32 is connected between the sealing valves 3, and the sealing valves 3 are connected by fitting the connecting port 31, which is arranged alternately on opposite sides; a fixing ring 2 is provided on the outside of the kiln tail device 1, and the sealing valve 3 is also connected to the head end of the kiln tail device 1.

[0030] Specifically, sealing valves 3 are installed at both ends of the kiln tail device 1. A mating interface 31 is installed on one side of the sealing valve 3, and there are two sets of sealing valves 3. Rotating one side of the sealing valve 3 by 90 degrees makes the mating interface 31 fit together and connects the two sets of sealing valves 3. At the same time, a support sleeve 32 is connected between the sealing valves 3. The support sleeve 32 provides secondary sealing at the mating interface 31, increasing the sealing performance of the entire pipeline.

[0031] The gas flow mechanism includes: a transition ring 4 connected to the middle of the kiln tail device 1, an adjusting ring 42 in the middle of the transition ring 4, and mounting rings 41 installed at both ends of the transition ring 4, and a fixing device 43 fixedly installed below the adjusting ring 42; the transition ring 4 is connected to the kiln tail device 1 through the mounting rings 41, and the inserting roller 12 is also inserted between the mounting rings 41, and the pipe diameter of the transition ring 4 is the same as the pipe diameter of the kiln tail device 1; two sets of fixing devices 43 are provided, and the mounting rings 41 are arranged in pairs; the kiln tail device 1 is cylindrical, and the fixing rings 2 are equidistantly sleeved on the outside of the kiln tail device 1, and the kiln tail device 1 is movably connected through the transition ring 4.

[0032] Specifically, a transition ring 4 is connected in the middle of the kiln tail device 1, and an adjusting ring 42 is set in the middle of the transition ring 4. The adjusting ring 42 adjusts the curvature of the transition ring 4. A fixing device 43 is set below the adjusting ring 42 to fix the adjusting ring 42 with a certain curvature. Then, the installation ring 41 is used to connect the transition ring 4 and the kiln tail device 1. The expanded transition ring 4 facilitates the transmission of internal gas.

[0033] In operation, the kiln tail device 1 burns and processes the material. A connecting ring 11 is installed between the kiln tail devices 1, and the connecting ring 11 is connected by a passing roller 12, allowing the segmented kiln tail devices 1 to be spliced ​​together. An inner cylinder 13 is installed inside the splicing point of the kiln tail devices 1, reinforcing the splicing point and preventing gas leakage. A transition ring 4 is connected between the kiln tail devices 1, providing a turning connection. An adjusting ring 42 is installed on one side of the transition ring 4. After the adjusting ring 42 adjusts the transition ring 4 at a certain angle, it can be fixed using a fixing device 43. The arc is fixed, and when the adapter ring 4 is expanded, it facilitates the smooth transmission of gas inside the kiln tail device 1. Sealing valves 3 are installed at both ends of the kiln tail device 1. A matching interface 31 is installed on one side of the sealing valve 3, and two sets of sealing valves 3 are set. The sealing valve 3 on one side is rotated 90 degrees using the handle 33 to make the matching interface 31 fit together and connect the two sets of sealing valves 3. At the same time, a support sleeve 32 is connected between the sealing valves 3. The support sleeve 32 provides a secondary seal at the matching interface 31, increasing the sealing performance of the entire pipeline and ensuring a long-term stable sealing effect.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A kiln tail sealing structure, comprising a kiln tail device (1), wherein a sealing mechanism is installed at one end of the kiln tail device (1), and a gas flow mechanism is connected in the middle of the kiln tail device (1), characterized in that, The equipment sealing mechanism includes: a sealing valve (3) installed at one end of the kiln tail device (1), a connecting port (31) is provided on one side of the sealing valve (3), and a support sleeve (32) is sleeved on the outside of the connecting port (31), and a handle (33) is provided on the top of the sealing valve (3), and a pipe port (34) is installed on one side of the sealing valve (3). The gas flow mechanism includes: a transition ring (4) connected to the middle of the kiln tail device (1), an adjustment ring (42) is provided in the middle of the transition ring (4), and mounting rings (41) are installed at both ends of the transition ring (4), and a fixing device (43) is fixedly installed below the adjustment ring (42).

2. The kiln tail sealing structure according to claim 1, characterized in that, The kiln tail device (1) is provided with a fixing ring (2) on the outside, and the sealing valve (3) is connected to the head end of the kiln tail device (1).

3. The kiln tail sealing structure according to claim 2, characterized in that, The kiln tail device (1) has a connecting ring (11) in the middle, and a passing roller (12) is inserted inside the connecting ring (11), and an inner cylinder (13) is connected to one side of the kiln tail device (1).

4. The kiln tail sealing structure according to claim 1, characterized in that, The sealing valve (3) is provided in two sets, and the support sleeve (32) is connected between the sealing valves (3). The sealing valves (3) are connected by fitting through the interface (31), which is arranged in an alternating manner on opposite sides.

5. The kiln tail sealing structure according to claim 3, characterized in that, The transition ring (4) is connected to the kiln tail device (1) through the mounting ring (41), and the inserting roller (12) is also inserted between the mounting rings (41). The pipe diameter of the transition ring (4) is the same as the pipe diameter of the kiln tail device (1). The fixing device (43) is provided in two sets, and the mounting rings (41) are in pairs.

6. The kiln tail sealing structure according to claim 3, characterized in that, The kiln tail device (1) is connected by a sleeve ring (11) and a through roller (12), and the outer side of the inner cylinder (13) is fixedly connected to one side of the inner wall of the kiln tail device (1).

7. The kiln tail sealing structure according to claim 2, characterized in that, The kiln tail device (1) is a cylindrical tube, and the fixing rings (2) are equidistantly sleeved on the outside of the kiln tail device (1), and the kiln tail device (1) is movably connected by the adapter ring (4).

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