Rotary kiln feeding device and rotary kiln

By setting alternating tilting first and second pusher pistons in the rotary kiln feeding device, the problems of blockage and low frequency in hydraulic cylinder feeding equipment are solved, and efficient material conveying is achieved.

CN223521805UActive Publication Date: 2025-11-07HUANGHUA XINZHI ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202423158776.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-11-07
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

The existing hydraulic cylinder feeding equipment for rotary kiln incinerators is prone to material blockage and has a low feeding frequency, resulting in low efficiency.

Method used

The system employs a first and second pushing piston that alternately pushes material within the feeding box. The upper surfaces of the two pistons are inclined towards each other to push material alternately and prevent material accumulation. The alternating movement of the pistons is achieved through the cooperation of a chute and a slider.

Benefits of technology

It effectively avoids material blockage and improves feeding frequency and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a rotary kiln feeding device and a rotary kiln, the rotary kiln feeding device comprises a feeding box, a first material pushing assembly and a second material pushing assembly, the upper side of the feeding box is provided with a feeding port, and one end of the feeding box is provided with a discharging port; the first material pushing assembly comprises a first driving assembly and a first material pushing piston, the first material pushing piston is arranged in the feeding box in a sliding mode, the first driving assembly is connected with the feeding box, and the power output end is connected with the first material pushing piston and used for driving the first material pushing piston to slide in the feeding box; the second material pushing assembly comprises a second driving assembly and a second material pushing piston, the second material pushing piston is arranged on one side of the first material pushing piston and is in sliding fit with the feeding box and the first material pushing piston, the second driving assembly is connected with the feeding box, and the power output end is connected with the second material pushing piston and used for driving the second material pushing piston to slide in the feeding box. The rotary kiln comprises the feeding device. The feeding device of the rotary kiln and the rotary kiln are higher in feeding frequency.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to environmental protection equipment technical field, more particularly to a rotary kiln feeding device and rotary kiln. BACKGROUND

[0002] Hazardous waste mainly refers to the waste discharged in industrial production process, and the harmful consequences have cumulative, lagging and long-term nature, and the physical method commonly used in the treatment of solid waste residue at present is high-temperature incineration. The rotary kiln incinerator is a widely used device for waste combustion, and the rotary kiln incinerator refers to the incinerator provided with a refractory lining in the cylindrical body made of steel plate. It is slightly inclined horizontally, slowly rotates on one side, and makes the waste supplied from the upper part transfer to the lower part, and supplies air from the front or rear part to make it burn.

[0003] In actual operation, it is necessary to frequently use the pressing equipment to push and press the hazardous waste material to be incinerated into the rotary kiln incinerator. The pressing equipment is fixedly arranged outside the rotary kiln, which comprises a closed shell, a hydraulic cylinder is arranged in the closed shell, and the material placed in the feed inlet of the rotary kiln incinerator can be pushed into the rotary kiln incinerator by the pushing force of the hydraulic cylinder piston.

[0004] However, since the hydraulic cylinder can only push the material during the extension of the piston, the material will accumulate on the upper side of the piston during the pushing of the material, on the one hand, it is easy to cause blockage, on the other hand, it is intermittent feeding, and the feeding frequency of a single hydraulic cylinder is low, and the feeding efficiency is low. UTILITY MODEL CONTENTS

[0005] The utility model provides a rotary kiln feeding device and rotary kiln, and aims at solving the technical problems in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the technical scheme that:

[0007] Firstly, a rotary kiln feeding device is provided, which comprises:

[0008] The feeding box is provided with a feeding inlet on the upper side, and is provided with a discharging outlet at one end.

[0009] The first pushing assembly comprises a first driving assembly and a first pushing piston, the first pushing piston is slidingly arranged in the feeding box, the first driving assembly is connected with the feeding box, the power output end is connected with the first pushing piston, and the first driving assembly is used for driving the first pushing piston to slide in the feeding box; and

[0010] The second pushing assembly comprises a second driving assembly and a second pushing piston, the second pushing piston is arranged on one side of the first pushing piston and is in sliding fit with the feeding box and the first pushing piston, the second driving assembly is connected with the feeding box, and a power output end is connected with the second pushing piston to drive the second pushing piston to slide in the feeding box.

[0011] The upper surfaces of the first pushing piston and the second pushing piston are both arranged in a manner of being inclined towards each other, and the first pushing piston and the second pushing piston are adapted to alternately push materials.

[0012] With reference to the first aspect, in a possible implementation of the rotary kiln feeding device provided in the utility model, the feeding box is arranged in a manner of being inclined, and a lower end of the feeding box is provided with the discharge port.

[0013] With reference to the first aspect, in a possible implementation of the rotary kiln feeding device provided in the utility model, the first pushing piston and the second pushing piston are in a right-angled trapezoidal structure along a cross section perpendicular to the movement direction, and the inclined surface faces upwards.

[0014] With reference to the first aspect, in a possible implementation of the rotary kiln feeding device provided in the utility model, one side of the first pushing piston facing the second pushing piston is provided with a sliding groove, and one side of the second pushing piston facing the first pushing piston is provided with a sliding block, and the sliding block is in sliding fit with the sliding groove.

[0015] With reference to the first aspect, in a possible implementation of the rotary kiln feeding device provided in the utility model, the sliding groove is a dovetail groove, and the sliding block and the sliding groove are in a matching type.

[0016] With reference to the first aspect, in a possible implementation of the rotary kiln feeding device provided in the utility model, the rotary kiln feeding device further comprises a feeding pipe and a hopper, the feeding pipe is arranged on the upper side of the feeding box, a lower end of the feeding pipe is connected and communicated with the feeding port, and an upper end of the feeding pipe is connected with the hopper.

[0017] With reference to the first aspect, in a possible implementation of the rotary kiln feeding device provided in the utility model, the rotary kiln feeding device further comprises a crushing mechanism, the crushing mechanism is arranged on the feeding pipe and connected with the feeding pipe, and the crushing mechanism is used for crushing hazardous waste materials.

[0018] Secondly, the utility model further provides a rotary kiln, which comprises the rotary kiln feeding device and a kiln body, and the discharge port of the rotary kiln feeding device is butted with the feeding port of the kiln body.

[0019] The rotary kiln feeding device has the advantages that, compared with the prior art, the rotary kiln feeding device has the first pushing piston and the second pushing piston for alternately pushing materials in the feeding box, and the upper surfaces of the first pushing piston and the second pushing piston are both oppositely inclined, so that when the first pushing piston pushes materials, the materials falling from the feeding opening are concentrated on the side where the second pushing piston is located through the inclined surface on the upper side of the first pushing piston, at this time, the second pushing piston pushes the materials into the rotary kiln, and the first pushing piston is quickly retracted, so that the materials falling from the feeding opening are concentrated on the side where the first pushing piston is located through the inclined surface on the upper side of the second pushing piston, and the materials are reciprocally pushed, so that the materials are prevented from being accumulated and blocked, and the pushing frequency is greatly improved, and the feeding efficiency is improved.

[0020] The rotary kiln has the advantages that, compared with the prior art, the rotary kiln has the feeding device, the materials are prevented from being blocked, the first pushing piston and the second pushing piston alternately push the materials, the pushing frequency is greatly improved, and the feeding efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A perspective structural schematic view of the rotary kiln feeding device is provided for the utility model embodiment.

[0022] Figure 2 A perspective structural schematic view of the first pushing assembly and the second pushing assembly in the rotary kiln feeding device is provided for the utility model embodiment. Figure 1 ;

[0023] Figure 3 A perspective structural schematic view of the first pushing assembly and the second pushing assembly in the rotary kiln feeding device is provided for the utility model embodiment. Figure 2 ;

[0024] Figure 4 A front view structural schematic view of the rotary kiln is provided for the utility model embodiment.

[0025] EXPLANATION OF REFERENCE NUMERALS

[0026] 10, feeding box; 21, first driving assembly; 22, first pushing piston; 23, chute;

[0027] 24, second driving assembly; 25, second pushing piston; 26, sliding block; 27, avoiding groove;

[0028] 31, feeding pipe; 32, hopper; 33, crushing mechanism; 40, kiln body. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are merely intended to explain the present application, and are not intended to limit the present application.

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. The description of the at least one exemplary embodiment below is actually only illustrative, but not as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0031] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should be understood that, when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0032] Unless specifically stated otherwise, the relative arrangement of components and steps, numerical expressions, and numerical values set forth in the various embodiments described herein are not limiting. It should be understood that the dimensions of the various parts shown in the drawings are not necessarily to scale. Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the specification, where appropriate. In all examples shown and discussed herein, any specific values should be interpreted as merely illustrative, and not as a limitation. Thus, other example embodiments of the exemplary embodiments can have different values. It should be noted that like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be discussed further in subsequent drawings.

[0033] In the description of the present application, it needs to be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship is generally based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the device or element indicated must have a particular orientation or be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0034] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "over" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways, and the spatial relative description used herein is interpreted accordingly.

[0035] In addition, it should be noted that the use of "first", "second" and the like to define parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore it cannot be understood as a limitation on the scope of protection of the present application.

[0036] Please refer to Figures 1 to 3 , the rotary kiln feeding device provided by the utility model will be described. The rotary kiln feeding device comprises a feeding box 10, a first pushing assembly and a second pushing assembly, the upper side of the feeding box 10 is provided with a feeding port, and one end is provided with a discharging port; the first pushing assembly comprises a first driving assembly 21 and a first pushing piston 22, the first pushing piston 22 is slidingly arranged in the feeding box 10, the first driving assembly 21 is connected with the feeding box 10, the power output end is connected with the first pushing piston 22, and the first driving assembly 21 is used for driving the first pushing piston 22 to slide in the feeding box 10; the second pushing assembly comprises a second driving assembly 24 and a second pushing piston 25, the second pushing piston 25 is arranged on one side of the first pushing piston 22 and is slidingly matched with the feeding box 10 and the first pushing piston 22, the second driving assembly 24 is connected with the feeding box 10, the power output end is connected with the second pushing piston 25, and the second driving assembly 24 is used for driving the second pushing piston 25 to slide in the feeding box 10.

[0037] The upper surfaces of the first pushing piston 22 and the second pushing piston 25 are oppositely inclined, and the first pushing piston 22 and the second pushing piston 25 are adapted to alternately push the materials.

[0038] Specifically, the first driving assembly 21 and the second driving assembly 24 are hydraulic cylinders, and can also be cylinders, electric push rod crank slider 26 mechanisms or other devices capable of driving the piston to reciprocate.

[0039] The rotary kiln feeding device has the advantages that, compared with the prior art, the rotary kiln feeding device provided in the embodiment of the utility model has the first pushing piston 22 and the second pushing piston 25 for alternately pushing materials in the feeding box 10, and the upper surfaces of the first pushing piston 22 and the second pushing piston 25 are oppositely inclined, so that when the first pushing piston 22 pushes the materials, the materials falling from the feeding port are concentrated on one side of the second pushing piston 25 through the inclined surface on the upper side of the first pushing piston 22, at this time, the second pushing piston 25 pushes the materials into the rotary kiln, and the first pushing piston 22 is quickly retracted, so that the materials falling from the feeding port are concentrated on one side of the first pushing piston 22 through the inclined surface on the upper side of the second pushing piston 25, and the materials are pushed back and forth, so that the materials are prevented from being accumulated and blocked, and the pushing frequency is greatly improved, and the feeding efficiency is improved.

[0040] As shown in the drawings, Figure 1 In one specific embodiment of the rotary kiln feeding device provided in the embodiment of the utility model, the feeding box 10 is inclined, and the lower end is provided with a discharging port, so as to facilitate the sliding of the materials to the discharging port.

[0041] Specifically, as shown in the drawings, Figure 1 and Figure 2 In one specific embodiment of the rotary kiln feeding device provided in the embodiment of the utility model, the first pushing piston 22 and the second pushing piston 25 are in a right-angled trapezoidal structure along a cross section perpendicular to the movement direction, and the inclined surface faces upward.

[0042] It should be noted that the cross section of the feeding box 10 is in the same shape as the first pushing piston 22 and the second pushing piston 25, and the top is in a V shape.

[0043] As shown in the drawings, Figure 2 and Figure 3As shown in a specific embodiment of the rotary kiln feeding device provided in the embodiment of the utility model, the first pushing piston 22 is provided with a sliding groove 23 on the side facing the second pushing piston 25, the second pushing piston 25 is provided with a sliding block 26 on the side facing the first pushing piston 22, and the sliding block 26 is in sliding cooperation with the sliding groove 23; the side and the bottom surface of the first pushing piston 22 and the second pushing piston 25 are both provided with an avoiding groove 27, so as to reduce the contact area with the feeding box 10.

[0044] Further, as shown in a specific embodiment of the rotary kiln feeding device provided in the embodiment of the utility model, Figure 2 and Figure 3 As shown in a specific embodiment of the rotary kiln feeding device provided in the embodiment of the utility model, the sliding groove 23 is a dovetail groove, and the sliding block 26 is in matching type with the sliding groove 23. In this way, the first pushing piston 22 and the second pushing piston 25 can be buckled and constrained with each other, so as to reduce the extrusion force on the inner wall of the feeding box 10.

[0045] Specifically, the sliding groove 23 can also be a T-shaped groove, and the sliding block 26 is a T-shaped block matched therewith.

[0046] As shown in a specific embodiment of the rotary kiln feeding device provided in the embodiment of the utility model, Figure 1 In the embodiment of the utility model, the feeding pipe 31 is arranged on the upper side of the feeding box 10, and the lower end is connected and communicated with the feeding inlet, and the upper end is connected with the hopper 32.

[0047] Further, as shown in a specific embodiment of the rotary kiln feeding device provided in the embodiment of the utility model, Figure 1 In the embodiment of the utility model, the crushing mechanism 33 is arranged on the feeding pipe 31 and connected with the feeding pipe 31, and is used for crushing the hazardous waste material, so as to crush the material in advance and reduce the risk of material blockage.

[0048] It should be noted that the crushing mechanism 33 is an existing crusher, which is used for crushing the material and reducing the risk of material blockage.

[0049] Based on the same inventive concept, as shown in the embodiment of the utility model, Figure 4 The embodiment of the utility model further provides a rotary kiln, which comprises the rotary kiln feeding device and the feeding inlet of the kiln body 40 is connected with the feeding outlet of the rotary kiln feeding device.

[0050] The rotary kiln provided in the embodiment of the utility model has the feeding device, which can effectively avoid material blockage. Meanwhile, the first pushing piston 22 and the second pushing piston 25 alternately push the material, greatly improve the pushing frequency, and further improve the feeding efficiency.

[0051] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A rotary kiln feeding device, characterized in that, The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device.

2. A rotary kiln feeding apparatus as claimed in claim 1 wherein, The application relates to a rotary kiln feeding device.

3. The rotary kiln feeding apparatus of claim 1, wherein The application relates to a rotary kiln feeding device.

4. The rotary kiln feeding apparatus of claim 1, wherein The application relates to a rotary kiln feeding device.

5. A rotary kiln feeding apparatus as claimed in claim 4 wherein, The application relates to a rotary kiln feeding device.

6. The rotary kiln feeding apparatus of claim 1, wherein The application relates to a rotary kiln feeding device.

7. A rotary kiln feeding apparatus as claimed in claim 6 wherein, The application relates to a rotary kiln feeding device.

8. A rotary kiln characterized by, The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. The application relates to a rotary kiln feeding device. 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