CN212720809U - Screening tool for rotary kiln head - Google Patents

Abstract

A screening tool for a rotary kiln head comprises a kiln body, wherein the kiln body is provided with a kiln head cover and a matching assembly; the matching components are symmetrically provided with a pair of supporting components; the supporting component is connected with a screening component; the supporting component and the matching component are matched with each other for supporting the kiln body, the supporting component is used for driving the screening component to rotate, and the screening component is used for screening materials; a pair of shovel plates are symmetrically arranged on two sides in the kiln head cover, the inner side ends of the shovel plates are inclined upwards, the outer side ends of the shovel plates are fixed on the inner wall of the kiln head cover, slag outlets are formed in two side walls of the kiln head cover and located at the outer side ends of the shovel plates, arc-shaped guide plates are arranged at the lower ends of the shovel plates, and straight flow plates are arranged at the lower ends of the arc-shaped guide plates; and the screening component comprises a rotating rod arranged on the kiln head cover, the rotating rod is provided with screening pieces in an equal-interval array along the axial direction, and the screening pieces are all positioned in the kiln head cover. The energy utilization rate of the rotary kiln can be improved, slag accumulation is prevented, the material conveying efficiency is improved, and the rotary kiln has high practicability.

Description

Screening tool for rotary kiln head

Technical Field

The utility model relates to a rotary kiln material screening field especially relates to a rotary kiln hood is with screening frock.

Background

Rotary kilns, also known as rotary calciners, belong to the field of building materials and can be classified into cement kilns, metallurgical chemical kilns and lime kilns according to the different materials to be treated. The cement kiln is mainly used for calcining cement clinker and comprises a dry-process cement kiln and a wet-process cement kiln, and the metallurgy and chemical industry is mainly used for roasting lean iron ore and chromium and nickel iron ore in steel plants in the metallurgy industry; roasting bauxite in a refractory material plant, roasting clinker in an aluminum plant and aluminum hydroxide; roasting chromium ore sand, chromium ore powder and other minerals in a chemical plant. The lime kiln is used for roasting active limestone and light-burned dolomite used in steel plants and iron alloy plants.

The rotary kiln is in the part of kiln head mainly used discharge of material, and the size of conventional kiln head discharge gate department is less than the size of kiln head inner space always, often need set up the screening frock in kiln head inside for rational utilization kiln head inner space, screen the inside bold form material of kiln head or slag charge, thereby make things convenient for subsequent material screening operation, can also prevent simultaneously that bold form material from filling up the long-pending discharge gate, and it often adopts static screening net to screen to have the screening to revolve, this kind of screening mode often leads to the piling up of material on the screening net, thereby influence the unloading of material, thereby influence the production of material.

Disclosure of Invention

The utility model provides a rotary kiln head is with screening frock to solve the not enough of above-mentioned prior art, can improve the energy utilization of rotary kiln, prevent that the slag charge from piling up, improve the conveying efficiency of material, have stronger practicality.

In order to realize the purpose of the utility model, the following technologies are adopted:

a screening tool for a rotary kiln head comprises a kiln body, a kiln head cover is arranged at one end of the kiln body,

the kiln body is provided with a matching component;

the lower ends of the matching components are symmetrically provided with a pair of supporting components;

the supporting component is connected with a screening component;

the supporting component and the matching component are matched with each other for supporting the kiln body, the supporting component is used for driving the screening component to rotate, and the screening component is used for screening materials;

a pair of shovel plates are symmetrically arranged on two sides in the kiln head cover, the inner side ends of the shovel plates are inclined upwards, the outer side ends of the shovel plates are fixed on the inner wall of the kiln head cover, slag outlets are formed in two side walls of the kiln head cover and located at the outer side ends of the shovel plates, arc-shaped guide plates are arranged at the lower ends of the shovel plates, and straight flow plates are arranged at the lower ends of the arc-shaped guide plates;

the screening component comprises a rotating rod arranged on the kiln head cover, and screening pieces are arranged on the rotating rod in an equally-spaced array along the axial direction and are all positioned in the kiln head cover;

the screening piece is including the extension board of locating the dwang that is the circumference array, and the extension board outside end is equipped with the screening circle, and the screening circle is concentric with arc guide plate.

Further, screening subassembly is still including locating the dwang other end from the driving wheel, is connected with the driving piece from the driving wheel, and the driving piece is equipped with the pivot, and the kiln hood cover is located to the one end of pivot, and the pivot other end is equipped with driven pulley, and driven pulley is equipped with the belt a plurality ofly, and the belt all is connected in supporting component.

Further, arc grooves are formed in the outer wall of the driven wheel in a circumferential array;

the driving piece is including locating the assembly dish of pivot a pair ofly, is being equipped with the actuating lever of circumference array between the assembly dish, and the actuating lever is used for driving from the driving wheel rotation with arc groove mutually supporting.

Further, the supporting component includes that the mount pad is a pair of, the equal downwardly extending's of mount pad both ends mounting panel that is equipped with downwardly extending is a pair of, the mount pad all upwards extends all is equipped with the extension board, it all is equipped with circular support cover to go up the extension board upper end, it all is equipped with the supporting wheel pole to be the circumference array in the circular support cover, the supporting wheel pole all is equipped with the supporting wheel, the supporting wheel that is located the homonymy all is equipped with the rotor head, the rotor head outer wall all takes shape and supports the groove, the supporting wheel outer wall all is tangent with supporting groove tank bottom, be equipped with the axis of rotation between the rotor head, the axis of rotation is equipped with driving pulley, driving pulley locates the belt, the.

Furthermore, the cooperation subassembly includes tangent in the rotating ring of supporting wheel, and the shaping that all is the circumference array in rotating ring both sides has the wedge groove, and wedge block has all been inserted to the wedge inslot, and the wedge block outside end that is located the homonymy is equipped with the retainer plate, and the rotating ring is located to the retainer plate.

The technical scheme has the advantages that:

the utility model discloses at the concrete implementation in-process, the rotating characteristic of the main pivoted kiln body that utilizes current rotary kiln body to support simultaneously, when the kiln body supported, can transmit kiln body kinetic energy to screening components through supporting component to make screening components rotate at the screening in-process, the effectual bulk material that prevents appears piles up, so that influence the unloading of material. Wherein, install the cooperation subassembly on the kiln body, protect the external portion of kiln to prevent that the kiln body from leading to the fact wearing and tearing with supporting component direct contact to the kiln body, wherein, insert and establish the wedge that rotates the circle and fix the kiln body with the help of the characteristic of wedge structure itself and interference fit's characteristics, thereby prevent to rotate the circle and take place relative motion with the kiln body at the rotation in-process, and produce wearing and tearing to the kiln body. The supporting wheels arranged on the supporting component are supported on two sides of the rotating ring so as to support the rotating ring, so that the kiln body is indirectly supported, the rotating heads arranged at two ends of the rotating shaft and the supporting wheels arranged on the rotating heads support the rotating heads through the supporting wheels on one hand and reduce the local stress of the rotating heads on the other hand, wherein the corresponding supporting wheels are arranged for limiting the positions of the rotating heads. Wherein, in order to reduce the friction force between the supporting wheel and the rotating head, the circular supporting cover is filled with cooling lubricating oil to weaken the deformation of the supporting wheel and the rotating head, wherein the rotating shaft is provided with a driving belt pulley which is driven by the rotating shaft to rotate, the rotation of the driving belt wheel drives the driven belt wheel through the belt, the driven belt wheel drives the rotating shaft to rotate, the rotation of the rotating shaft drives the driving piece to rotate, and the rotation of the driving piece drives the driven wheel to rotate, the rotation of the driven wheel drives the rotation rod to rotate, and the rotation of the rotation rod drives the screening piece to rotate, during the rotation of the screen, the material flows down from the gap between two adjacent screening rings, passes through the arc-shaped guide plate and finally is discharged through the direct current plate, and the massive slag can flow out through the slag outlet by the gravity of the massive slag through the shovel plate tangent to the screening ring. The utility model discloses can improve the energy utilization of rotary kiln and rate, prevent that the slag charge from piling up, improve the transport efficiency of material, have stronger practicality.

Drawings

Fig. 1 shows a perspective view of a first embodiment.

Fig. 2 shows a perspective view of the second embodiment.

Fig. 3 shows a three-dimensional structure of one embodiment.

Fig. 4 shows a perspective structural view of one embodiment.

Fig. 5 shows a perspective view of one embodiment.

Fig. 6 shows a partial enlarged view at a.

Fig. 7 shows a partial enlarged view at B.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.

Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but because absolute equality is difficult to achieve in actual production and operation, certain deviations generally exist. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-7, a screening tool for a rotary kiln head comprises a kiln body 1, wherein a kiln head cover 5 is arranged at one end of the kiln body 1, and a matching component 2 is arranged on the kiln body 1; the lower ends of the matching components 2 are symmetrically provided with a pair of supporting components 3; the support component 3 is connected with a screening component 4; supporting component 3 and cooperation subassembly 2 are mutually supported and are used for the support of the kiln body 1, and supporting component 3 is used for driving screening subassembly 4 and rotates, and screening subassembly 4 is used for the screening of material.

Both sides are symmetrical structure's in kiln hood 5 and are equipped with shovel board 50 a pair ofly, and 50 medial extremity of shovel board all tilt up, and 50 outside ends of shovel board all are fixed in 5 inner walls of kiln hood cover, and 5 both sides walls of kiln hood cover all take shape there is slag notch 51, and slag notch 51 is located shovel board 50's outside end, and 50 lower extremes of shovel board all are equipped with arc guide plate 52, and arc guide plate 52 lower extreme all is equipped with straight flow plate 53. And the screening component 4 comprises a rotating rod 45 arranged on the kiln head cover 5, the rotating rod 45 is provided with screening pieces 46 in an equally spaced array along the axial direction, and the screening pieces 46 are all positioned in the kiln head cover 5. The screening element 46 comprises a circumferential array of struts 460 mounted on the rotatable shaft 45, and the outer ends of the struts 460 are provided with screening rings 461, the screening rings 461 being concentric with the arc-shaped deflector 52. The screening component 4 further comprises a driven wheel 44 arranged at the other end of the rotating rod 45, the driven wheel 44 is connected with a driving piece 43, the driving piece 43 is provided with a rotating shaft 42, one end of the rotating shaft 42 is arranged on the kiln head cover 5, the other end of the rotating shaft 42 is provided with a driven pulley 41, the driven pulley 41 is provided with a plurality of belts 40, and the belts 40 are all connected to the supporting component 3. The outer wall of driven wheel 44 is provided with a circumferential array of arcuate slots 440. The driving member 43 includes a pair of assembling discs 430 disposed on the rotating shaft 42, driving rods 431 are disposed between the assembling discs 430 in a circumferential array, and the driving rods 431 and the arc grooves 440 cooperate to drive the driven wheel 44 to rotate. Supporting component 3 includes that mount pad 30 is a pair of, the equal downwardly extending of mount pad 30 both ends is equipped with downwardly extending mounting panel 32 a pair of, mount pad 30 all upwards extends all is equipped with and prolongs board 31, it all is equipped with circular support cover 33 to go up to prolong board 31 upper end, it all is equipped with supporting wheel pole 34 all to be circumference array in the circular support cover 33, supporting wheel pole 34 all is equipped with supporting wheel 35, the supporting wheel 35 that is located the homonymy all is equipped with rotor 36, rotor 36 outer wall all takes shape has support groove 360, supporting wheel 35 outer wall all is tangent with supporting groove 360 tank bottoms, be equipped with axis of rotation 37 between the rotor 36, axis of rotation 37 is equipped with driving pulley 39, driving pulley 39 locates belt 40, axis of rotation 37 is equipped with supporting wheel 38, supporting wheel 38 is used for supporting cooperation subassembly 2. The matching component 2 comprises a rotating ring 20 tangent to the supporting wheel 38, wedge-shaped grooves are formed in the two sides of the rotating ring 20 in a circumferential array mode, wedge blocks 21 are inserted into the wedge-shaped grooves, fixing rings 22 are arranged at the outer side ends of the wedge blocks 21 located on the same side, and the fixing rings 22 are arranged on the rotating ring 20.

This embodiment is at the concrete implementation in-process, mainly utilizes the rotation characteristic of the pivoted kiln body 1, utilizes the characteristic that the present rotary kiln body 1 need support simultaneously, when the kiln body 1 supports, can transmit kiln body 1 kinetic energy to screening component 4 through supporting component 3 to make screening component 4 rotate at the screening in-process, the effectual bulk material that prevents to appear piles up, so that influence the unloading of material. The kiln body 1 is protected from being worn by the outside of the kiln body 1 through the matching assemblies 2 arranged on the kiln body 1, so that the kiln body 1 is prevented from being directly contacted with the supporting assemblies 3, the wedge-shaped block 21 inserted in the rotating ring 20 fixes the rotating ring 20 on the kiln body 1 through the characteristics of the wedge-shaped structure and the interference fit, and the rotating ring 20 is prevented from moving relative to the kiln body 1 in the rotating process and being worn by the kiln body 1. The support wheels 38 arranged on the support assembly 3 are supported on both sides of the turning circle 20 to support the turning circle 20 and thus indirectly support the kiln body 1, while the turning heads 36 arranged on both ends of the turning shaft 37 and the support wheels 35 arranged on the turning heads 36 on the one hand support the turning heads 36 via the support wheels 35 and on the other hand reduce the local stress of the turning heads 36, wherein corresponding support wheels 35 are provided for defining the position of the turning heads 36. In order to reduce the friction between the supporting wheel 35 and the rotating head 36, therefore, the circular supporting cover 33 is filled with cooling lubricant to reduce the deformation of the supporting wheel 35 and the rotating head 36, wherein a driving pulley 39 is disposed on the rotating shaft 37, the driving pulley 39 is driven by the rotating shaft 37 to rotate, the driving pulley 39 drives a driven pulley 41 through a belt 40, the driven pulley 41 drives a rotating shaft 42 to rotate, the rotating shaft 42 drives a driving member 43 to rotate, the rotating member 43 drives a driven pulley 44 to rotate, the rotating member 44 drives a rotating rod 45 to rotate, the rotating rod 45 drives a screening member 46 to rotate, during the rotation of the screening member 46, the material flows down from the gap between two adjacent screening rings 461, passes through an arc-shaped guide plate 52 and finally is discharged through a straight flow plate 53, and the massive slag material passes through a shoveling plate 50 tangent to the screening rings 461 through self-gravity, and finally out through a tap hole 51.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The utility model provides a rotary kiln hood is with screening frock, includes the kiln body (1), and kiln body (1) one end is equipped with kiln hood cover (5), its characterized in that:

the kiln body (1) is provided with a matching component (2);

the lower ends of the matching components (2) are symmetrically provided with a pair of supporting components (3);

the supporting component (3) is connected with a screening component (4);

the supporting component (3) and the matching component (2) are matched with each other and used for supporting the kiln body (1), the supporting component (3) is used for driving the screening component (4) to rotate, and the screening component (4) is used for screening materials;

a pair of shovel plates (50) are symmetrically arranged on two sides in the kiln head cover (5), the inner side ends of the shovel plates (50) are inclined upwards, the outer side ends of the shovel plates (50) are fixed on the inner wall of the kiln head cover (5), slag outlets (51) are formed on two side walls of the kiln head cover (5), the slag outlets (51) are located at the outer side ends of the shovel plates (50), arc-shaped guide plates (52) are arranged at the lower ends of the shovel plates (50), and straight flow plates (53) are arranged at the lower ends of the arc-shaped guide plates (52);

the screening component (4) comprises a rotating rod (45) arranged on the kiln head cover (5), screening pieces (46) are arranged on the rotating rod (45) in an axially equal-interval array, and the screening pieces (46) are all positioned in the kiln head cover (5);

screening piece (46) are including being the extension board (460) of locating dwang (45) of circumference array, and the extension board (460) outside end is equipped with screening circle (461), and screening circle (461) is concentric with arc guide plate (52).

2. The screening tool for the kiln head of the rotary kiln as claimed in claim 1, wherein the screening assembly (4) further comprises a driven wheel (44) arranged at the other end of the rotating rod (45), the driven wheel (44) is connected with a driving piece (43), the driving piece (43) is provided with a rotating shaft (42), one end of the rotating shaft (42) is arranged on the kiln head cover (5), a driven belt pulley (41) is arranged at the other end of the rotating shaft (42), the driven belt pulley (41) is provided with a plurality of belts (40), and the belts (40) are all connected to the supporting assembly (3).

3. The screening tool for the kiln head of the rotary kiln as claimed in claim 2, wherein the outer wall of the driven wheel (44) is provided with arc grooves (440) in a circumferential array;

the driving part (43) comprises a pair of assembling discs (430) arranged on the rotating shaft (42), driving rods (431) are arranged between the assembling discs (430) in a circumferential array, and the driving rods (431) are matched with the arc grooves (440) to drive the driven wheel (44) to rotate.

4. The screening tool for the kiln head of the rotary kiln as claimed in claim 2, wherein the support assembly (3) comprises a pair of mounting seats (30), a pair of lower extension mounting plates (32) are arranged at both ends of each mounting seat (30) and extend downwards, each mounting seat (30) is provided with an upper extension plate (31) which extends upwards, each upper end of each upper extension plate (31) is provided with a circular support cover (33), each circular support cover (33) is internally provided with a support wheel rod (34) in a circumferential array, each support wheel rod (34) is provided with a support wheel (35), each support wheel (35) positioned on the same side is provided with a rotating head (36), the outer wall of each rotating head (36) is provided with a support groove (360), the outer wall of each support wheel (35) is tangent to the bottom of each support groove (360), a rotating shaft (37) is arranged between the rotating heads (36), each rotating shaft (37) is provided with a drive belt pulley (39), and each drive belt pulley (39) is arranged, the rotary shaft (37) is provided with a support wheel (38), the support wheel (38) being used for supporting the mating component (2).

5. The screening tool for the kiln head of the rotary kiln as claimed in claim 4, wherein the matching assembly (2) comprises a rotating ring (20) tangent to the supporting wheel (38), wedge-shaped grooves are formed in the two sides of the rotating ring (20) in a circumferential array, wedge blocks (21) are inserted into the wedge-shaped grooves, a fixing ring (22) is arranged at the outer side end of each wedge block (21) located on the same side, and the fixing ring (22) is arranged on the rotating ring (20).

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