Sludge treatment device of rotary kiln
By designing first and second waste gas collection modules in the rotary kiln sludge treatment device, and utilizing the kiln cylinder tilt angle and rotation mechanism to achieve preliminary separation of waste gas, the problem of insufficient waste gas collection in existing devices is solved, thereby improving treatment efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-03-24
AI Technical Summary
Existing rotary kiln sludge treatment devices lack gas collection mechanisms, resulting in insufficient initial classification and collection of waste gas and dust. This leads to the need for complex multi-stage screening processes in downstream treatment equipment, resulting in low treatment efficiency and easy pollution.
Design a rotary kiln sludge treatment device, comprising a feeding module, a rotary kiln module, a discharging module, a first waste gas collection module, and a second waste gas collection module, which are used to collect and treat waste gases of different densities respectively. The waste gas is initially separated by the inclination angle and rotation mechanism of the kiln body.
It effectively reduces exhaust emissions, minimizes the risk of exhaust gas escaping outside the equipment, simplifies the complexity of the exhaust gas separation mechanism, and ensures the full recovery of exhaust gas components.
Smart Images
Figure CN224030863U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sludge treatment device technical field especially relates to a rotary kiln treatment sludge device. BACKGROUND
[0002] A rotary kiln is a kind of rotary equipment for high-temperature treatment of materials, widely used in many industrial fields, such as cement production, metallurgy, chemical industry and waste treatment, etc. Its working principle is to heat treat the materials (such as calcination, drying, incineration, sintering, etc.) at high temperature through the rotary kiln body to realize the change of chemical reaction or physical state. The rotary kiln is generally composed of a kiln body, a supporting system, a rotating device, a kiln head, a kiln tail, a heat source and a combustion system, and a material conveying system. In the sludge treatment process, the rotary kiln can be used for incineration of sludge to realize decomposition of harmful substances through high-temperature treatment and reduce pollutant emissions.
[0003] The existing rotary kiln sludge treatment device generally uses multi-stage equipment, such as a cyclone separator, a dust collector, a desulfurization device and a denitration device, to remove particulate matter, sulfur dioxide, nitrogen oxides and other harmful gases generated in the incineration process. However, the above-mentioned rotary kiln device lacks a waste gas collecting device to preliminarily classify and collect waste gas and smoke dust, thereby causing the rear-end waste gas treatment equipment to need to perform complicated multi-stage screening processes on the waste gas and smoke dust, resulting in low treatment efficiency, long process, and easy pollution of the external environment by escaping waste gas and smoke dust. SUMMARY
[0004] Therefore, it is necessary to provide a rotary kiln sludge treatment device to solve the technical problem of the lack of a gas collecting mechanism for classifying and collecting waste gas and smoke dust in the existing rotary kiln sludge treatment device.
[0005] A rotary kiln sludge treatment device, comprising a feeding module, a rotary kiln module, a discharging module, a first waste gas collecting module and a second waste gas collecting module, the feeding module, the rotary kiln module and the discharging module are sequentially installed on a predetermined installation plane, wherein the feeding module is arranged at the input end of the rotary kiln module, and the discharging module is arranged at the output end of the rotary kiln module; the first waste gas collecting module is connected to the input end of the rotary kiln module, and the second waste gas collecting module is connected to the output end of the rotary kiln module.
[0006] In one embodiment, the rotary kiln module described above comprises a kiln cylinder and a rotating mechanism, the rotating mechanism is arranged on the predetermined installation plane and placed between the feeding module and the discharging module; the kiln cylinder is installed on the top side of the rotating mechanism, and the side surface of the kiln cylinder is connected to the output end of the rotating mechanism.
[0007] In one of the embodiments, the kiln cylinder is arranged with an inclination of 3-5° relative to the mounting plane, the top side end of the kiln cylinder is connected to the first exhaust gas collection module, and the bottom side end of the kiln cylinder is connected to the second exhaust gas collection module.
[0008] In one of the embodiments, the rotation speed of the rotation mechanism is arranged to be 1-5 revolutions per minute.
[0009] In one of the embodiments, the rotary kiln module further comprises two support mechanisms, the two support mechanisms are arranged at the two ends of the kiln cylinder respectively, and the top end of each support mechanism is connected to the side surface of the two ends of the kiln cylinder.
[0010] In one of the embodiments, each support mechanism is arranged as a roller mechanism, the kiln cylinder is provided with a ring-shaped matching part corresponding to the roller mechanism, the matching part is sleeved on the side surface of the kiln cylinder, and when the roller mechanism is connected to the corresponding end of the kiln cylinder, the matching part is connected to the lifting end of the roller mechanism in a matching manner.
[0011] In one of the embodiments, the first exhaust gas collection module comprises a first gas collecting cover, a first conveying pipeline and a temporary storage box, one side surface of the first gas collecting cover is communicated with the top side end of the kiln cylinder, one end of the first conveying pipeline is communicated with the top wall surface of the first gas collecting cover, the other end of the first conveying pipeline extends to the adjacent side of the first gas collecting cover and is communicated with the input end of the temporary storage box, and the temporary storage box is arranged at the adjacent side of the first gas collecting cover, and the output end of the temporary storage box is communicated to an external exhaust gas treatment device.
[0012] In one of the embodiments, the second exhaust gas collection module comprises a second gas collecting cover, a second conveying pipeline and an output mechanism, one side surface of the second gas collecting cover is communicated with the bottom side end of the kiln cylinder, one end of the second conveying pipeline is communicated with the other side surface of the second gas collecting cover, the other end of the second conveying pipeline is communicated with the input end of the output mechanism, and the output mechanism is arranged at the bottom side of the second gas collecting cover, and the output end of the output mechanism is communicated to an external exhaust gas treatment device.
[0013] In one of the embodiments, the second gas collecting cover is provided with a multi-stage filtering device at the end away from the kiln cylinder, the input end of the multi-stage filtering device is communicated with the second gas collecting cover, and the output end of the multi-stage filtering device is communicated to a plurality of output mechanisms through a plurality of second conveying pipelines.
[0014] In one of the embodiments, the feeding module is arranged as a bucket elevator, the bucket elevator is arranged at the adjacent side of the top side end of the kiln cylinder, and the output end of the bucket elevator is connected to the input end of the kiln cylinder.
[0015] In one of the embodiments, the feeding module is arranged by two bucket elevators and a conveying belt, the two bucket elevators are arranged in sequence at the top side end of the kiln cylinder, and the conveying belt is arranged between the two bucket elevators.
[0016] In one embodiment, the above-mentioned feeding module is configured as a drum mixing and conveying device, which is located on the adjacent side of one end of the bottom of the kiln body, and the input end of the drum mixing and conveying device is connected to the output end of the kiln body.
[0017] The aforementioned rotary kiln sludge treatment device collects, transports, and treats waste gas through a first waste gas collection module and a second waste gas collection module, thereby effectively reducing waste gas emissions during the sludge treatment process. Compared to existing rotary kiln sludge treatment devices, this invention can collect and treat waste gases with relatively high and low air densities separately. This ensures that the various components of waste gas generated during sludge drying are fully recovered, while eliminating the need for additional waste gas guiding devices to direct the sludge waste gas. Preliminary separation is achieved based on the relative density of the waste gas, reducing the complexity of the waste gas separation mechanism and minimizing the risk of waste gas escaping to the outside of the equipment during rotary kiln treatment. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of a rotary kiln sludge treatment device in one embodiment;
[0019] Figure 2 for Figure 1 An enlarged structural schematic diagram of part M in the illustrated embodiment;
[0020] Figure 3 for Figure 1 An enlarged structural diagram of part N in the illustrated embodiment. Detailed Implementation
[0021] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.
[0022] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0023] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0024] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0025] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0026] It is to be noted that when an element is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements can be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0027] Referring to Figures 1 to 3 The utility model discloses a rotary kiln handles sludge device, this rotary kiln handles sludge device including feeding module 100, rotary kiln module 200, discharging module 300, first waste gas collection module 400 and second waste gas collection module 500, feeding module 100, rotary kiln module 200 and discharging module 300 are installed in the installation plane of default in proper order, wherein, feeding module 100 is arranged at the input end of rotary kiln module 200, and discharging module 300 is arranged at the output end of rotary kiln module 200, first waste gas collection module 400 is connected to the input end of rotary kiln module 200, and second waste gas collection module 500 is connected to the output end of rotary kiln module 200. Feeding module 100 is used for the delivery and feeding of sludge, to pour the sludge to be dried into the input end of rotary kiln module 200, discharging module 300 is used for the discharging of sludge after drying and transports the dried sludge to the next stage processing equipment, in the drying process of sludge of rotary kiln, the low density waste gas generated in rotary kiln rises and is transmitted to first waste gas collection module 400 through the input end of rotary kiln module 200, the high density waste gas generated in rotary kiln sinks and is transmitted to second waste gas collection module 500 through the output end of rotary kiln module 200, then, first waste gas collection module 400 and second waste gas collection module 500 respectively collect, transport and handle waste gas, to effectively reduce the waste gas emission in the sludge processing process. Compared with the existing rotary kiln type sludge processing device, the rotary kiln handles sludge device of the utility model can collect and handle the waste gas with relatively large and relatively small air density respectively, to ensure that the waste gas of various components generated in the sludge drying process can be fully recovered, without setting additional waste gas guiding device to guide the sludge waste gas, to preliminarily separate the waste gas according to the relative density, reduce the complexity of waste gas separation mechanism, reduce the risk of waste gas escaping to the outside of the equipment in the rotary kiln processing process.
[0028] Further, the rotary kiln module 200 comprises a kiln cylinder 210 and a rotating mechanism 220, the rotating mechanism 220 is arranged on a preset installation plane and is arranged between the feeding module 100 and the discharging module 300; the kiln cylinder 210 is installed on the top side of the rotating mechanism 220, and the side surface of the kiln cylinder 210 is connected to the output end of the rotating mechanism 220, so that the rotating mechanism 220 can drive the kiln cylinder 210 to rotate at a preset speed. In one embodiment, the kiln cylinder 210 is arranged at an inclination angle of 3-5° relative to the installation plane, one end of the top side of the kiln cylinder 210 is connected to the first waste gas collection module 400, and one end of the bottom side of the kiln cylinder 210 is connected to the second waste gas collection module 500, so that the lighter waste gas rises along the kiln cylinder 210 and is input into the first waste gas collection module 400 for collection and treatment, and the heavier waste gas sinks along the kiln cylinder 210 and is input into the second waste gas collection module 500 for collection and treatment. In one embodiment, the rotating speed of the rotating mechanism 220 is set to 1-5 revolutions per minute, so as to ensure that the sludge is uniformly heated and fully combusted in the kiln cylinder 210.
[0029] Further, the rotary kiln module 200 further comprises two supporting mechanisms 230, the two supporting mechanisms 230 are respectively arranged at the two ends of the kiln cylinder 210, and the top end of each supporting mechanism 230 is connected to the side surface of the two ends of the kiln cylinder 210 to stably support the kiln cylinder 210 in cooperation with the rotating mechanism 220. Specifically, each supporting mechanism 230 is arranged as a roller mechanism, and the kiln cylinder 210 corresponds to the roller mechanism and is provided with a ring-shaped matching portion, the matching portion is sleeved on the side surface of the kiln cylinder 210, and when the roller mechanism is connected to the corresponding end of the kiln cylinder 210, the matching portion is connected to the lifting end of the roller mechanism in cooperation, so as to improve the rotation stability of the kiln cylinder 210.
[0030] Further, the first waste gas collection module 400 comprises a first gas collecting cover 410, a first conveying pipe 420 and a temporary storage tank 430, one side surface of the first gas collecting cover 410 is communicated with one end of the top side of the kiln cylinder 210; one end of the first conveying pipe 420 is communicated with the top wall surface of the first gas collecting cover 410, the other end of the first conveying pipe 420 extends to the adjacent side of the first gas collecting cover 410 and is communicated with the input end of the temporary storage tank 430; the temporary storage tank 430 is arranged on the adjacent side of the first gas collecting cover 410, and the output end of the temporary storage tank 430 is communicated to an external waste gas treatment device, so as to facilitate subsequent treatment and safe discharge of the light waste gas.
[0031] Further, the second exhaust gas collecting module 500 comprises a second gas collecting cover 510, a second conveying pipeline 520 and an output mechanism 530. The one side surface of the second gas collecting cover 510 is communicated with the bottom side of the one end of the kiln cylinder 210. One end of the second conveying pipeline 520 is communicated with the other side surface of the second gas collecting cover 510, and the other end of the second conveying pipeline 520 is communicated with the input end of the output mechanism 530. The output mechanism 530 is arranged at the bottom side of the second gas collecting cover 510, and the output end of the output mechanism 530 is communicated with the external exhaust gas treatment device, so as to facilitate the subsequent treatment and safe discharge of the heavy exhaust gas. In one embodiment, the one end of the second gas collecting cover 510 away from the kiln cylinder 210 is provided with a multi-stage filtering device 540. The input end of the multi-stage filtering device 540 is communicated with the second gas collecting cover 510, and the output end of the multi-stage filtering device 540 is communicated with the output mechanism 530 through the second conveying pipeline 520, so that the exhaust gas and smoke output by the second gas collecting cover 510 are separated by the multi-stage filtering device 540, and the smoke of different particle sizes is respectively conveyed to the corresponding output mechanism 530 through the corresponding second conveying pipeline 520, and then output to the corresponding exhaust gas treatment device for subsequent treatment, thereby improving the pertinence of the heavy exhaust gas treatment.
[0032] Further, the feeding module 100 is arranged as a bucket elevator 110. The bucket elevator 110 is arranged at the adjacent side of the top side of the one end of the kiln cylinder 210, and the output end of the bucket elevator 110 is connected to the input end of the kiln cylinder 210, so that the sludge can be fed to the kiln cylinder 210 for drying and combustion treatment through the bucket elevator 110. The bucket elevator 110 can ensure that the sludge enters the kiln cylinder 210 uniformly and continuously. In one embodiment, the feeding module 100 is arranged by two bucket elevators 110 and a conveying belt 120. The two bucket elevators 110 are arranged in sequence at the top side of the one end of the kiln cylinder 210, and the conveying belt 120 is arranged between the two bucket elevators 110, i.e., the two bucket elevators 110 are connected through the conveying belt 120. In this embodiment, the two bucket elevators 110 can further improve the bulk density and uniformity of the sludge by twice lifting and conveying the sludge, so as to improve the drying and combustion efficiency of the kiln cylinder 210 on the sludge.
[0033] Further, the discharging module 300 is arranged as a roller stirring conveying device. The roller stirring conveying device is arranged at the adjacent side of the bottom side of the one end of the kiln cylinder 210, and the input end of the roller stirring conveying device is connected to the output end of the kiln cylinder 210, so that the sludge after drying and combustion treatment can be stirred and conveyed by the roller stirring conveying device, so as to facilitate the further treatment of the subsequent sludge treatment device.
[0034] In summary, the rotary kiln sludge treatment device disclosed by the utility model reduces the waste gas emission in the sludge treatment process by collecting, transporting and treating the waste gas through the first waste gas collection module and the second waste gas collection module. Compared with the existing rotary kiln sludge treatment device, the rotary kiln sludge treatment device can collect and treat the waste gas with relatively large and small relative air densities, thereby ensuring that the waste gas with various components generated in the sludge drying treatment process can be fully recovered, and an additional waste gas guiding device is not required to guide the sludge waste gas, so that the waste gas is preliminarily separated according to the relative density, the complexity of the waste gas separation mechanism is reduced, and the risk of the waste gas escaping to the outside of the equipment in the rotary kiln treatment process is reduced.
[0035] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not contradict, they should be considered as the scope of the present disclosure.
[0036] The above-described embodiments only express several implementation manners of the utility model, the description is relatively specific and detailed, but it should not be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the utility model, and these belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.
Claims
1. A rotary kiln sludge treatment device, characterized in that, The utility model relates to a rotary kiln system, which comprises: a feeding module, a rotary kiln module, a discharging module, a first waste gas collecting module and a second waste gas collecting module, wherein the feeding module, the rotary kiln module and the discharging module are sequentially arranged on a preset mounting plane, the feeding module is arranged at the input end of the rotary kiln module, the discharging module is arranged at the output end of the rotary kiln module, the first waste gas collecting module is connected to the input end of the rotary kiln module, and the second waste gas collecting module is connected to the output end of the rotary kiln module.
2. The rotary kiln sludge treatment apparatus according to claim 1, wherein The rotary kiln module comprises a kiln cylinder and a rotating mechanism, wherein the rotating mechanism is arranged on the preset mounting plane and is disposed between the feeding module and the discharging module, the kiln cylinder is arranged on the top side of the rotating mechanism, and the side surface of the kiln cylinder is connected to the output end of the rotating mechanism.
3. The rotary kiln sludge treatment apparatus according to claim 2, wherein The kiln cylinder is arranged at an angle of 3-5° relative to the mounting plane, one end of the top side of the kiln cylinder is connected to the first waste gas collecting module, and one end of the bottom side of the kiln cylinder is connected to the second waste gas collecting module.
4. The rotary kiln sludge treatment apparatus according to claim 3, wherein The rotating speed of the rotating mechanism is 1-5 revolutions per minute.
5. The rotary kiln sludge treatment apparatus according to claim 4, wherein The rotary kiln module further comprises two supporting mechanisms, each of the two supporting mechanisms is arranged at one end of the kiln cylinder, and the top end of each supporting mechanism is connected to the side surface of the kiln cylinder at the corresponding end.
6. The rotary kiln sludge treatment apparatus according to claim 5, wherein Each supporting mechanism is a roller mechanism, the kiln cylinder is provided with a ring-shaped matching part corresponding to the roller mechanism, the matching part is sleeved on the side surface of the kiln cylinder, and when the roller mechanism is connected to the corresponding end of the kiln cylinder, the matching part is connected to the lifting end of the roller mechanism.
7. The rotary kiln sludge treatment apparatus according to claim 6, wherein The first waste gas collecting module comprises a first gas collecting cover, a first conveying pipeline and a temporary storage box, one side surface of the first gas collecting cover is communicated with one end of the top side of the kiln cylinder, one end of the first conveying pipeline is communicated with the top wall surface of the first gas collecting cover, the other end of the first conveying pipeline extends to the adjacent side of the first gas collecting cover and is communicated with the input end of the temporary storage box, the temporary storage box is arranged on the adjacent side of the first gas collecting cover, and the output end of the temporary storage box is communicated with an external waste gas treatment device.
8. The rotary kiln sludge treatment apparatus according to claim 7, wherein The second waste gas collecting module comprises a second gas collecting cover, a second conveying pipeline and an output mechanism, one side surface of the second gas collecting cover is communicated with one end of the bottom side of the kiln cylinder, one end of the second conveying pipeline is communicated with the other side surface of the second gas collecting cover, the other end of the second conveying pipeline is communicated with the input end of the output mechanism, the output mechanism is arranged on the bottom side of the second gas collecting cover, and the output end of the output mechanism is communicated with an external waste gas treatment device.
9. The rotary kiln sludge treatment apparatus according to claim 8, wherein The feeding module is a bucket elevator, the bucket elevator is arranged on the adjacent side of one end of the top side of the kiln cylinder, and the output end of the bucket elevator is connected to the input end of the kiln cylinder.
10. The rotary kiln sludge treatment apparatus according to claim 9, wherein The discharging module is a roller stirring conveying device, the roller stirring conveying device is arranged on the adjacent side of one end of the bottom side of the kiln cylinder, and the input end of the roller stirring conveying device is connected to the output end of the kiln cylinder.