CN219223262U

CN219223262U - Discharging end cover cleaning device for rotary kiln

Info

Publication number: CN219223262U
Application number: CN202223472655.8U
Authority: CN
Inventors: 卞皓玮; 乔同芳; 卞武扬
Original assignee: Taizhou Huawei Kiln Equipment Co ltd
Current assignee: Taizhou Huawei Kiln Equipment Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-20
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to a discharge end cover cleaning device for a rotary kiln, which is provided with a rack and a furnace tube, wherein the discharge end of the furnace tube is provided with an end cover, and the lower end of the end cover is provided with a discharge hole; be equipped with clean mechanism on the end shield, clean mechanism includes first motor, the mounting panel, actuating cylinder, the telescopic link, the movable plate, and scrape burnt subassembly, scrape burnt subassembly and include first wiper arm, the second wiper arm, and wiper arm group, a plurality of scraper blade group, the scraper blade group on each middle wiper arm is also non-collineation, the mounting panel sets up with the movable plate is parallel, the one end and the first wiper arm sliding connection of wiper arm group, the other end and the second wiper arm sliding connection of wiper arm group, the movable plate passes through actuating cylinder to the terminal surface extension of telescopic link to the boiler tube, each middle wiper arm stretches out in the drive of movable plate, each scraper blade on first wiper arm, second wiper arm and the wiper arm group is scraped burnt processing through the inner wall of the drive pair end shield of first motor to the mounting panel. The utility model has smart structure, convenience and high efficiency.

Description

Discharging end cover cleaning device for rotary kiln

Technical Field

The utility model relates to the field of rotary kilns, in particular to a discharge end cover cleaning device for a rotary kiln.

Background

Rotary kilns (rotary kilns) are generally referred to as rotary kiln, which refers to rotary calcining kilns (commonly known as rotary kilns) and are similar to rotary kilns in appearance, also called rotary kiln, and belong to the class of building material equipment. Rotary kilns can be classified into cement kilns, metallurgical chemical kilns and lime kilns according to the materials to be treated. The cement kiln is mainly used for calcining cement clinker, and is divided into two main types, namely cement kiln produced by dry method and cement kiln produced by wet method. The metallurgical chemical kiln is mainly used for magnetizing roasting of lean iron ores in iron and steel plants in metallurgical industry; oxidizing and roasting chromium and nickel iron ores; roasting high alumina bauxite ore in a refractory material factory, roasting clinker in an aluminum factory and aluminum hydroxide; roasting chromium ore sand, chromium ore powder and other minerals in chemical plants. Lime kilns (i.e., active lime kilns) are used to calcine active lime and light burned dolomite for iron and steel plants and ferroalloy plants.

Currently, external heating rotary kilns are widely used in various fields, and the viscosity of many materials is greatly increased at a certain temperature. Meanwhile, in the process of producing viscous materials by using the rotary kiln, a large amount of materials are often adhered to the inner wall of the discharge end cover of the rotary kiln, and along with the progress of production, the adhered materials are more and more, so that the discharge space is finally smaller and less, and serious influence is caused on the production.

Disclosure of Invention

The utility model aims to provide a discharging end cover cleaning device for a rotary kiln, which has a smart structure, can quickly and efficiently clean coking in an end cover, avoids blockage of a discharging hole, and is convenient and practical.

The technical scheme for realizing the aim of the utility model is as follows: the utility model has a frame, a furnace tube rotatably arranged on the frame under the drive of a driving motor, an end cover arranged at the discharge end of the furnace tube, and a discharge hole arranged at the lower end of the end cover; the end cover is provided with a cleaning mechanism capable of scraping coke and cleaning the end cover, the cleaning mechanism comprises a first motor, a mounting plate, a driving oil cylinder, a telescopic rod, a moving plate and a coke scraping assembly, wherein the mounting plate is rotatably connected to the end cover under the driving of the first motor, the driving oil cylinder is fixed in the mounting plate, the telescopic end of the driving oil cylinder is fixed, the moving plate is fixed on the telescopic rod, the coke scraping assembly can scrape cokes on the inner wall of the end cover, the coke scraping assembly comprises a first sliding arm, a second sliding arm and a sliding arm group, the sliding arm group is sequentially connected with a plurality of middle sliding arms in a sliding mode, the plurality of sliding arm groups are fixed on the first sliding arm, the second sliding arm and the middle sliding arms, the inner wall of the end cover can be scraped by the sliding arms, the scraping plates extend along the telescopic direction of the telescopic rod, the sliding arm groups on the first sliding arm, the second sliding arm and the sliding arm groups are all non-collinear, the scraping plate groups on the middle sliding arms are also non-collinear, one end of the mounting plate and the moving plate are parallel, one end of the sliding arm group is connected with the first sliding arm and the other end of the first sliding arm is connected with the driving arm through the driving arm and the second sliding arm, and the other end of the sliding arm extends to the inner wall of the driving arm through the driving arm and the sliding arm.

Further, the first motor is fixed outside the end cover, the output end of the first motor stretches into the end cover and then is fixedly connected with the mounting plate, the end cover is provided with an annular sliding rail which is coaxially arranged with the axis of the telescopic rod, one end, deviating from the driving oil cylinder, of the mounting plate is fixedly provided with a plurality of mounting sliding blocks which can be in sliding fit with the annular sliding rail, and the mounting plate is rotationally connected to the end cover through driving of the first motor.

Further, the mounting plate is fixedly provided with a mounting groove, the driving oil cylinder is fixed in the mounting groove, the telescopic end of the driving oil cylinder is fixedly connected with the telescopic rod, a plurality of guide rods which are parallel to the telescopic direction of the driving oil cylinder are fixedly arranged in the mounting groove, each telescopic rod is provided with a guide hole which can be correspondingly matched with the guide rod, and the telescopic rod is in sliding connection with the mounting plate through the driving of the driving oil cylinder and the matching of the guide rods and the guide holes.

Further, the first sliding arm and each middle sliding arm are respectively provided with a mounting sliding groove, the extending direction of each mounting sliding groove is parallel to the extending direction of the telescopic rod, the side face of each mounting sliding groove is provided with a side face limiting groove which is identical to the extending direction of the mounting sliding groove, the bottom face of each mounting sliding groove is provided with a bottom face limiting groove which is identical to the extending direction of the mounting sliding groove, the second sliding arm and each middle sliding arm are respectively provided with a bottom face sliding block which can be correspondingly matched with the bottom face limiting groove and a side face sliding block which can be correspondingly matched with the side face limiting groove, the middle sliding arm closest to the first sliding arm is in sliding connection with the first sliding arm through the bottom face sliding block and the bottom face limiting groove on the first sliding arm, the side face sliding block is in sliding connection with the side face limiting groove on the adjacent middle sliding arm through the bottom face sliding block and the side face limiting groove on the nearest middle sliding arm, and the second sliding arm is in sliding connection with the side face limiting groove on the nearest middle sliding arm.

Further, the upper end faces of the first sliding arm, the middle sliding arms and the second sliding arms are flush, the scraping plates are fixed on the upper end faces of the first sliding arm, the middle sliding arms and the second sliding arms, the scraping plates comprise connecting portions which can be fixedly connected with the first sliding arms or the middle sliding arms or the second sliding arms, and scraping heads which can scrape coke on the inner walls of the end covers, the scraping heads and the connecting portions are integrally formed, and the turning direction of the scraping heads is the same as the tangential direction of the rotation direction of the mounting plate.

The utility model has the positive effects that: (1) According to the utility model, the cleaning mechanism is arranged in the end cover, the mounting plate is driven to rotate by the first motor, the telescopic rod and the moving plate are driven to start to move by the driving oil cylinder, and the first sliding arm, the second sliding arm and the middle sliding arms are driven to be unfolded, so that the end cover can be suitable for end covers with different lengths, the first motor is driven to drive the first sliding arm, the second sliding arm and the scraping plates on the middle sliding arms to clean the coking on the inner wall of the end cover, and after the cleaning is finished, the moving plate and the telescopic rod can be retracted by the driving oil cylinder, so that the problem of blockage of a discharge hole caused by accumulation of the coking on the inner wall of the end cover is effectively solved, and on the other hand, the inner space of the end cover is effectively saved by the cooperation of the first sliding arm, the second sliding arm and the middle sliding arms, and the end cover is ingenious in structure, convenient and practical.

(2) According to the utility model, the annular sliding rail is arranged on the end cover, the mounting sliding block is arranged on the mounting plate, and the mounting sliding rail is matched with the mounting sliding block, so that the stability of the mounting plate in the rotation of the end cover is effectively ensured, the axial deviation can not occur, and the mounting plate is stable and practical.

(3) According to the utility model, the mounting groove is formed in the mounting plate, the guide rods are arranged in the mounting groove, the guide holes are formed in the telescopic rods, the stability of the telescopic rods when the telescopic rods extend out is ensured through the matching of the guide rods and the guide holes, and meanwhile, the stability of the scraping plate when the scraping plate is used for scraping the end cover is ensured, so that the scraper is convenient and practical.

(4) According to the utility model, the mounting sliding grooves are formed in the first sliding arm and each middle sliding arm, the middle sliding arm is stably connected with the first sliding arm and each middle sliding arm in a sliding manner through the matching of the side sliding blocks and the side limiting grooves and the matching of the bottom sliding blocks and the bottom limiting grooves, the lateral or height-direction deviation of each middle sliding arm in the sliding process is avoided, the second sliding arm is stably connected with the middle sliding arm through the matching of the side sliding blocks and the side limiting grooves and the matching of the bottom sliding blocks and the bottom limiting grooves, the lateral or height-direction deviation of the second sliding arm in the sliding process is avoided, the stability of each middle sliding arm and the second sliding arm in the sliding process is ensured, the stability of the scraping plate in the scraping process of the inner wall of the end cover is further ensured, and the scraper is efficient and convenient.

(5) According to the utility model, the direction of the scraping head on the scraping plate is set to be the same as the tangential direction of the rotation direction of the mounting plate, so that on one hand, coking on the inner wall of the end cover can be smoothly scraped along with the inertial force generated when the mounting plate rotates, on the other hand, the scraped coking can be dropped to the discharge port along with the rotation of the mounting plate, the coking is discharged, the integral cleanliness in the end cover is ensured, the discharge smoothness of the discharge port is further ensured, and the device is convenient and practical.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which

FIG. 1 is a front view showing the overall structure of a discharge end cap cleaning device for a rotary kiln according to the present utility model;

FIG. 2 is a cross-sectional view of the overall structure of the cleaning mechanism of the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a cross-sectional view of the overall construction of the inventive coke scraping assembly;

fig. 5 is a front view showing the overall structure of the squeegee in the present utility model.

Detailed Description

Referring to fig. 1 to 5, the utility model comprises a frame 1, a furnace tube 2 rotatably arranged on the frame 1 under the driving of a driving motor 3, an end cover 4 arranged at the discharge end of the furnace tube 2, and a discharge port 41 arranged at the lower end of the end cover 4; the end cover 4 is provided with a cleaning mechanism 5 capable of scraping coke from the end cover 4, the cleaning mechanism 5 comprises a first motor 51, a mounting plate 54 rotationally connected to the end cover 4 under the drive of the first motor 51, a driving oil cylinder 52 fixed in the mounting plate 54, a telescopic rod 53 fixed at the telescopic end of the driving oil cylinder 52, a moving plate 55 fixed on the telescopic rod 53, and a coke scraping component capable of scraping coke on the inner wall of the end cover 4, the coke scraping component comprises a first sliding arm 57 fixed on the mounting plate 54, a second sliding arm 58 fixed on the moving plate 55, a sliding arm group sequentially connected by a plurality of middle sliding arms 59, and a plurality of scraping plate groups fixed on the first sliding arm 57, the second sliding arm 58 and the middle sliding arms 59 and capable of scraping coke from the inner wall of the end cover 4, each scraping plate group consists of a plurality of scraping plates extending along the telescopic direction of the telescopic rod 53, the first sliding arm 57, the second sliding arm 58 and each scraping plate group on the sliding arm group are not collinearly connected with the first sliding arm 55, the second sliding arm 58 is arranged on the end face of the mounting plate 54 and the end cover 50 through the driving plate 55, and the sliding arm group is connected with the second sliding arm 59 in parallel to the other end face of the mounting plate 55 through the driving plate 55.

The first motor 51 is fixed outside the end cover 4, the output end of the first motor 51 extends into the end cover 4 and is fixedly connected with the mounting plate 54, the end cover 4 is provided with an annular sliding rail 42 coaxially arranged with the axis of the telescopic rod 53, one end, away from the driving oil cylinder 52, of the mounting plate 54 is fixedly provided with a plurality of mounting sliding blocks 541 which can be in sliding fit with the annular sliding rail 42, and the mounting plate 54 is rotationally connected to the end cover 4 through the driving of the first motor 51.

The mounting plate 54 is fixedly provided with a mounting groove 521, the driving oil cylinder 52 is fixed in the mounting groove 521, the telescopic end of the driving oil cylinder 52 is fixedly connected with the telescopic rod 53, the mounting groove 521 is internally fixedly provided with a plurality of guide rods 56 which are arranged in parallel with the telescopic direction of the driving oil cylinder 52, each telescopic rod 53 is provided with a guide hole 531 which can be correspondingly matched with the guide rod 56, and the telescopic rod 53 is slidably connected on the mounting plate 54 through the driving of the driving oil cylinder 52 and the matching of the guide rods 56 and the guide holes 531.

The first sliding arms 57 and the middle sliding arms 59 are respectively provided with a mounting sliding groove 6, the extending direction of each mounting sliding groove 6 is parallel to the extending direction of the telescopic rod 53, the side surface of each mounting sliding groove 6 is provided with a side surface limiting groove 63 which is the same as the extending direction of the mounting sliding groove 6, the bottom surface of each mounting sliding groove 6 is provided with a bottom surface limiting groove 61 which is the same as the extending direction of the mounting sliding groove 6, the second sliding arms 58 and the middle sliding arms 59 are respectively provided with a bottom surface sliding block 62 which can be correspondingly matched with the bottom surface limiting groove 61 and a side surface sliding block 64 which can be correspondingly matched with the side surface limiting groove 63, the middle sliding arm 59 closest to the first sliding arm 57 is in sliding connection with the first sliding arm 57 through the matching of the bottom surface sliding block 62 with the bottom surface limiting groove 61 on the first sliding arm 57, and the side surface sliding arm 58 is in sliding connection with the side surface limiting groove 63 on the adjacent middle sliding arm 59 through the matching of the bottom surface sliding block 62 with the side surface limiting groove 61 on the second sliding arm 58 closest to the middle sliding arm 59.

The upper end surfaces of the first sliding arm 57, the middle sliding arms 59 and the second sliding arms 58 are flush, the scraping plates 50 are fixed on the upper end surfaces of the first sliding arm 57, the middle sliding arms 59 and the second sliding arms 58, the scraping plates 50 comprise connecting parts 501 which can be fixedly connected with the first sliding arms 57 or the middle sliding arms 59 or the second sliding arms 58, and scraping heads 502 which can scrape coke on the inner walls of the end covers 4, the scraping heads 502 and the connecting parts 501 are integrally formed, and the folding direction of the scraping heads 502 is the same as the tangential direction of the rotation direction of the mounting plates 54.

The working principle of the utility model is as follows: when the utility model is used, the driving oil cylinder 52 stretches according to the width of the end cover 4, the driving oil cylinder 52 drives the telescopic rod 53 to stretch out, the guide rod 56 in the mounting groove 521 and the guide hole 531 on the telescopic rod 53 are matched to keep the stability when the telescopic rod 53 stretches out, the telescopic rod 53 drives the moving plate 55 to start moving, the moving plate 55 drives the second sliding arm 58 and the middle sliding arms 59 to start stretching out, the first sliding arm 57, the second sliding arm 58 and the scraping plates 50 on the middle sliding arms 59 leave a gap of 1-2 mm with the inner wall of the end cover 4, then the first motor 51 is driven, the first motor 51 drives the mounting plate 54 to start rotating, the mounting plate 54 is stably rotated in the end cover 4 through the matching of the mounting slide blocks 541 and the annular slide rails 42, and during the rotation of the mounting plate 54, the first sliding arms 57, the second sliding arms 58 and the scraping plates 50 on the middle sliding arms 59 start cleaning the coking on the inner wall of the end cover 4, the cooperation of the side slide blocks and the side limit grooves 63 of each middle slide arm 59 and each second slide arm 58 ensures that each middle slide arm 59 and each second slide arm 58 cannot move laterally, the cooperation of the bottom slide block 62 and the bottom limit groove 61 ensures the stability of each middle slide arm 59 and each second slide arm 58 when sliding, and cannot generate height deviation, ensures that each scraper 50 can scrape the inner wall of the end cover 4 accurately, the scraping direction of the scraper 50 is the same as the tangential direction of the rotation direction of the mounting plate 54, on one hand, force can be applied to scrape the cokes on the inner wall of the end cover 4 along the rotation direction of the mounting plate 54, on the other hand, the hung cokes can be discharged from the discharge port 41, and the cleanness in the end cover 4 is further ensured effectively, and the problem that the discharge port 41 is blocked due to the accumulation of coking in the end cover 4 is effectively solved, the cleaning of the end cover 4 is ensured, and the smoothness of the discharge port 41 is ensured, so that the device is convenient and practical.

While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.

Claims

1. The discharging end cover cleaning device for the rotary kiln comprises a rack, a furnace tube rotatably arranged on the rack under the driving of a driving motor, wherein the discharging end of the furnace tube is provided with an end cover, and the lower end of the end cover is provided with a discharging hole; the method is characterized in that: the end cover is provided with a cleaning mechanism capable of scraping coke and cleaning the end cover, the cleaning mechanism comprises a first motor, a mounting plate, a driving oil cylinder, a telescopic rod, a moving plate and a coke scraping assembly, wherein the mounting plate is rotatably connected to the end cover under the driving of the first motor, the driving oil cylinder is fixed in the mounting plate, the telescopic end of the driving oil cylinder is fixed, the moving plate is fixed on the telescopic rod, the coke scraping assembly can scrape cokes on the inner wall of the end cover, the coke scraping assembly comprises a first sliding arm, a second sliding arm and a sliding arm group, the sliding arm group is sequentially connected with a plurality of middle sliding arms in a sliding mode, the plurality of sliding arm groups are fixed on the first sliding arm, the second sliding arm and the middle sliding arms, the inner wall of the end cover can be scraped by the sliding arms, the scraping plates extend along the telescopic direction of the telescopic rod, the sliding arm groups on the first sliding arm, the second sliding arm and the sliding arm groups are all non-collinear, the scraping plate groups on the middle sliding arms are also non-collinear, one end of the mounting plate and the moving plate are parallel, one end of the sliding arm group is connected with the first sliding arm and the other end of the first sliding arm is connected with the driving arm through the driving arm and the second sliding arm, and the other end of the sliding arm extends to the inner wall of the driving arm through the driving arm and the sliding arm.

2. The discharge end cap cleaning device for a rotary kiln according to claim 1, wherein: the end cover is provided with an annular sliding rail which is coaxially arranged with the axis of the telescopic rod, one end of the mounting plate, which is away from the driving oil cylinder, is fixedly provided with a plurality of mounting sliding blocks which can be in sliding fit with the annular sliding rail, and the mounting plate is rotationally connected to the end cover through the driving of the first motor.

3. The discharge end cap cleaning device for a rotary kiln according to claim 2, wherein: the telescopic guide device is characterized in that a mounting groove is fixedly formed in the mounting plate, the driving oil cylinder is fixed in the mounting groove, the telescopic end of the driving oil cylinder is fixedly connected with the telescopic rod, a plurality of guide rods which are parallel to the telescopic direction of the driving oil cylinder are fixedly arranged in the mounting groove, guide holes which can be matched with the guide rods in a corresponding mode are formed in the telescopic rods, and the telescopic rods are connected onto the mounting plate in a sliding mode through driving of the driving oil cylinder and matching of the guide rods and the guide holes.

4. A rotary kiln discharge end cap cleaning apparatus as recited in claim 3, wherein: the first sliding arms and the middle sliding arms are respectively provided with a mounting sliding groove, the extending direction of each mounting sliding groove is parallel to the extending direction of the telescopic rod, the side face of each mounting sliding groove is provided with a side face limiting groove which is identical to the extending direction of the mounting sliding groove, the bottom face of each mounting sliding groove is provided with a bottom face limiting groove which is identical to the extending direction of the mounting sliding groove, the second sliding arms and the middle sliding arms are respectively provided with a bottom face sliding block which can be correspondingly matched with the bottom face limiting groove and a side face sliding block which can be correspondingly matched with the side face limiting groove, the middle sliding arm closest to the first sliding arm is in sliding connection with the first sliding arm through the bottom face sliding block and the side face limiting groove on the first sliding arm, the middle sliding arms are in sliding connection with the side face limiting groove on the adjacent middle sliding arm through the bottom face sliding block and the side face limiting groove on the middle sliding arm closest to the second sliding arm, and the side face sliding arm is in sliding connection with the side face limiting groove on the middle sliding arm closest to the second sliding arm.

5. The discharge end cap cleaning device for a rotary kiln according to claim 4, wherein: the upper end faces of the first sliding arms, the middle sliding arms and the second sliding arms are flush, the scraping plates are fixed on the upper end faces of the first sliding arms, the middle sliding arms and the second sliding arms, each scraping plate comprises a connecting part and a scraping head, the connecting part can be fixedly connected with the first sliding arms or the middle sliding arms or the second sliding arms, the scraping head can scrape the inner wall of the end cover, the scraping head and the connecting part are integrally formed, and the turning direction of the scraping head is the same as the tangential direction of the rotation direction of the mounting plate.