CN221132692U - Rotary drum and horizontal spiral centrifuge - Google Patents

Abstract

The rotary drum comprises a rotary drum body, wherein a plurality of wear-resistant ribs are embedded on the inner wall of the rotary drum body, and a fixing structure is arranged between the rotary drum body and the wear-resistant ribs; the horizontal spiral centrifuge comprises a centrifuge body and the rotary drum, wherein the rotary drum is rotatably arranged in the centrifuge body; through seting up the guide way at the inner wall of rotary drum, then with wear-resisting rib fixed connection in the guide way, when solid matter impacted the wear-resisting rib, the spacing of guide way, the difficult emergence of wear-resisting rib warp, simultaneously because its solder joint is welded in the welding hole to polish the solder joint for its surface is leveled with wear-resisting rib, consequently the solid matter can be smoothly guided, can not receive the hindrance of solder joint, has accelerated the discharge rate.

Description

Rotary drum and horizontal spiral centrifuge

Technical Field

The application relates to the technical field of screw centrifuges, in particular to a rotary drum and a horizontal screw centrifuge.

Background

The horizontal spiral centrifuge realizes solid-liquid separation under the action of centrifugal force of high-speed rotation through the rotation speed difference of the rotary drum and the spiral pusher, for example, in the lignin refining process of the horizontal spiral centrifuge, solid lignin is discharged from a gap between the spiral pusher and the rotary drum.

In the prior art, the inside design of rotary drum has wear-resisting rib, plays the guide effect to the solid matter after the separation, guides the discharge gate with the solid and discharges, and wear-resisting rib often through welded fastening connection on the inner wall of rotary drum, its welding point exposes outside, leads to the solid matter to be impacted with the welding point when being guided, slows down the discharge rate of solid matter, and wear-resisting rib receives the collision easily and warp simultaneously, and wear-resisting rib of welding point department drops because of receiving continuous striking even.

Accordingly, the inventors have had the need to design a new bowl as well as a horizontal screw centrifuge to overcome the above-mentioned problems.

Disclosure of Invention

The application mainly aims to provide a rotary drum and a horizontal spiral centrifuge, which are used for solving the problems that wear-resistant ribs are easy to deform and welding spots slow down the solid discharging speed in the related technology.

In order to achieve the above object, in a first aspect, the present application provides a rotary drum, which comprises a rotary drum body, wherein a plurality of wear-resistant ribs are embedded on the inner wall of the rotary drum body, and a fixing structure is arranged between the rotary drum body and the wear-resistant ribs.

Preferably, all the wear-resistant ribs are distributed in a circumferential array along the inner wall of the drum.

Preferably, a guide groove is formed in the inner wall of the rotary drum, and the wear-resistant ribs are fixedly arranged in the guide groove.

Preferably, the fixing structure comprises a welding hole formed in the wear-resistant rib, and the wear-resistant rib is welded in the guide groove through the welding hole.

In a second aspect, the application provides a horizontal spiral centrifuge comprising a centrifuge body and a bowl as described above, said bowl being rotatably mounted inside said centrifuge body.

Preferably, the centrifuge body comprises a shell, the shell is rotationally connected with a rotary drum and a spiral pusher, the spiral pusher is inserted into an inner cavity of the rotary drum, and the shell is fixedly provided with a first driving mechanism for driving the rotary drum to rotate and a second driving mechanism for driving the spiral pusher to rotate.

Preferably, the first driving mechanism comprises a main motor and a main differential mechanism, a transmission structure is fixedly arranged between the input end of the main differential mechanism and the output shaft of the main motor, and the output end of the main differential mechanism is fixedly connected with the rotary drum.

Preferably, the transmission structure is a first conveyor belt.

Preferably, the second driving mechanism comprises a secondary motor and a secondary differential, a second conveyor belt is fixedly connected between the input end of the secondary differential and the output shaft of the secondary motor, and the output end of the secondary differential is fixedly connected with the spiral pusher.

Compared with the prior art, the rotary drum and the horizontal spiral centrifuge provided by the utility model have the beneficial effects that:

Through seting up the guide way at the inner wall of rotary drum, then with wear-resisting rib fixed connection in the guide way, when solid matter impacted the wear-resisting rib, the spacing of guide way, the difficult emergence of wear-resisting rib warp, simultaneously because its solder joint is welded in the welding hole to polish the solder joint for its surface is leveled with wear-resisting rib, consequently the solid matter can be smoothly guided, can not receive the hindrance of solder joint, has accelerated the discharge rate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the application and are not to be construed as unduly limiting the application. In the drawings:

FIG. 1 is a cross-sectional view of the interior of a rotating drum of the present utility model;

FIG. 2 is a side view of the drum of the present utility model;

FIG. 3 is a block diagram of the wear-resistant rib of the present utility model;

FIG. 4 is an overall construction diagram of the horizontal screw centrifuge of the present utility model.

Wherein: 1. a drum body; 2. wear-resistant ribs; 3. a guide groove; 4. welding holes; 5. a housing; 6. a spiral pusher; 7. a main motor; 8. a main differential; 9. a first conveyor belt; 10. an auxiliary motor; 11. a secondary differential; 12. and a second conveyor belt.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

Embodiment one:

As shown in fig. 1 to 3, a rotary drum comprises a rotary drum body 1, wherein a plurality of wear-resistant ribs 2 are embedded on the inner wall of the rotary drum body 1, a fixing structure is arranged between the rotary drum body 1 and the wear-resistant ribs 2, all the wear-resistant ribs 2 are distributed in a circumferential array along the inner wall of the rotary drum, guide grooves 3 are formed in the inner wall of the rotary drum, the wear-resistant ribs 2 are fixedly mounted in the guide grooves 3, the fixing structure comprises welding holes 4 formed in the wear-resistant ribs 2, and the wear-resistant ribs 2 are welded in the guide grooves 3 through the welding holes 4; during operation, after the wear-resistant rib 2 is placed in the guide groove 3, the wear-resistant rib 2 and the rotary drum body 1 are welded through the welding hole 4, so that the wear-resistant rib 2 is embedded on the inner wall of the rotary drum body 1, then the welding spots are polished, the surfaces of the welding spots are leveled with the surfaces of the wear-resistant rib 2, in the embodiment, the guide groove 3 is formed in the inner wall of the rotary drum, then the wear-resistant rib 2 is fixedly connected in the guide groove 3, when solid matters strike the wear-resistant rib 2, the guide groove 3 is limited, the wear-resistant rib 2 is not easy to deform, meanwhile, the welding spots are welded in the welding hole 4, and the welding spots are polished, so that the surfaces of the solid matters are leveled with the wear-resistant rib 2, and therefore, the solid matters can be smoothly guided without being blocked by the welding spots, and the discharging speed is accelerated.

As shown in fig. 4, a horizontal spiral centrifuge comprises a centrifuge body and the rotary drum, wherein the rotary drum is rotatably arranged in the centrifuge body, the centrifuge body comprises a shell 5, the rotary drum and a spiral pusher 6 are rotatably connected to the shell 5, the spiral pusher 6 is inserted into an inner cavity of the rotary drum, a first driving mechanism for driving the rotary drum to rotate and a second driving mechanism for driving the spiral pusher 6 to rotate are fixedly arranged on the shell 5, the first driving mechanism comprises a main motor 7 and a main differential 8, a transmission structure is fixedly arranged between an input end of the main differential 8 and an output shaft of the main motor 7, an output end of the main differential 8 is fixedly connected with the rotary drum, the transmission structure is a first conveyor belt 9, the second driving mechanism comprises a secondary motor 10 and a secondary differential 11, a second conveyor belt 12 is fixedly connected between an input end of the secondary differential 11 and an output shaft of the secondary motor 10, and an output end of the secondary differential 11 is fixedly connected with the spiral pusher 6; when the centrifugal solid material discharging device works, the main motor 7 drives the rotary drum to rotate after being in deceleration transmission through the first conveyor belt 9 and the main differential mechanism 8, the auxiliary motor 10 drives the spiral pusher 6 to rotate after being in deceleration transmission through the second conveyor belt 12 and the auxiliary differential mechanism 11, meanwhile, the spiral pusher 6 is inserted into the rotary drum, the rotating speed of the spiral pusher 6 is different from that of the rotary drum, a gap is reserved between the spiral pusher 6 and the rotary drum, and solid materials under the centrifugal force can be discharged from the gap.

Embodiment two: the difference between this embodiment and the first embodiment is that: the fixed knot constructs including fixed T type groove of seting up in guide way 3 bottom and the fixed T type round pin that sets up on wear-resisting rib 2, and T type round pin inserts in the T type groove and realizes fixed mounting during the installation, and in embodiment one, the mounting means of this embodiment one is simpler, and does not have the solder joint, need polish the solder joint, but drum body 1 itself is thinner, if the fluting again, then the technological requirement is higher, manufacturing cost also can rise.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (7)

1. A rotary drum, characterized in that: the novel anti-wear rotary drum comprises a rotary drum body (1), wherein a plurality of wear-resistant ribs (2) are embedded on the inner wall of the rotary drum body (1), and a fixing structure is arranged between the rotary drum body (1) and the wear-resistant ribs (2);

A guide groove (3) is formed in the inner wall of the rotary drum, and the wear-resistant ribs (2) are fixedly arranged in the guide groove (3);

The fixing structure comprises a welding hole (4) formed in the wear-resistant rib (2), and the wear-resistant rib (2) is welded in the guide groove (3) through the welding hole (4).

2. A drum as claimed in claim 1, wherein: all the wear-resistant ribs (2) are distributed in a circumferential array along the inner wall of the rotary drum.

3. A horizontal screw centrifuge comprising a centrifuge body and a bowl according to any one of claims 1 to 2, wherein: the rotary drum is rotatably arranged inside the centrifuge body.

4. A horizontal screw centrifuge as claimed in claim 3, wherein: the centrifugal machine body comprises a shell (5), a rotary drum and a spiral pusher (6) are rotatably connected to the shell (5), the spiral pusher (6) is inserted into an inner cavity of the rotary drum, and a first driving mechanism for driving the rotary drum to rotate and a second driving mechanism for driving the spiral pusher (6) to rotate are fixedly arranged on the shell (5).

5. A horizontal screw centrifuge as set forth in claim 4 wherein: the first driving mechanism comprises a main motor (7) and a main differential mechanism (8), a transmission structure is fixedly arranged between the input end of the main differential mechanism (8) and the output shaft of the main motor (7), and the output end of the main differential mechanism (8) is fixedly connected with the rotary drum.

6. A horizontal screw centrifuge as set forth in claim 5 wherein: the transmission structure is a first conveyor belt (9).

7. A horizontal screw centrifuge as set forth in claim 6 wherein: the second driving mechanism comprises a secondary motor (10) and a secondary differential mechanism (11), a second conveyor belt (12) is fixedly connected between the input end of the secondary differential mechanism (11) and the output shaft of the secondary motor (10), and the output end of the secondary differential mechanism (11) is fixedly connected with the spiral pusher (6).