CN211160260U

CN211160260U - Bottom net device of siphon scraper centrifuge

Info

Publication number: CN211160260U
Application number: CN201922216805.0U
Authority: CN
Inventors: 王学永; 何小萍
Original assignee: Guangzhou Guangzhong Separation Machinery Co ltd
Current assignee: Guangzhou Guangzhong Separation Machinery Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-04
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a siphon scraper centrifuge's end net device, including a plurality of arc end nets, the arc end net includes first panel and second panel, a side end face of first panel is equipped with a plurality of mutual parallels and the first rectangular shape recess of arranging in proper order from a left side to the right side on the vertical direction, the second panel be equipped with a plurality of mutual parallels and with the horizontal plane between have certain inclination's the rectangular shape recess of second, first panel is connected with the second panel, so that first rectangular shape recess forms dislocation set and communicates each other with the rectangular shape recess of second, filtrating among the siphon scraper centrifuge gets into the arc end net through first rectangular shape recess, leave the arc end net from the rectangular shape recess of second again. In this embodiment, the second elongated grooves having a certain inclination angle with the horizontal plane are disposed on the second panel, so that the circulation of the filtrate during the rotation of the drum is improved, and the starch granules stacked between the grooves are conveyed out.

Description

Bottom net device of siphon scraper centrifuge

Technical Field

The utility model relates to a filter screen assembly especially relates to a siphon scraper centrifuge's end net device.

Background

The basic process of filtration and separation of a siphon scraper centrifuge is as follows: after the starch milk is filtered by a bottom screen device consisting of an arc-shaped bottom screen, starch solid particles are intercepted on the surface of the bottom screen device and are stacked to form a filter cake layer; the filtrate passes through the bottom net device, enters the siphon chamber through the siphon holes and is guided out to an external pipeline system by the siphon pipe.

At present, a bottom screen device is a conventional latticed filter screen and mainly formed by assembling and welding two layers of panels, wherein one layer of panel is provided with a groove which is longitudinally arranged, and the other layer of panel is provided with a groove which is transversely arranged. As the time of use continues, starch granules accumulate in the grooves and the accumulated material impedes the flow of filtrate to some extent. When the accumulation phenomenon occurs in the groove, the dehydration time of the starch milk is prolonged, resulting in the reduction of the production efficiency.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a bottom net device of a siphon scraper centrifuge, which can solve the problem of starch granule accumulation in a groove.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a siphon scraper centrifuge's end net device, includes a plurality of arc end nets, the arc end net includes first panel and second panel, a side end face of first panel is equipped with a plurality of mutual parallels and the first rectangular shape recess of arranging in proper order from a left side to the right side on the vertical direction, the second panel is equipped with a plurality of mutual parallels and the second rectangular shape recess that intersects with the horizontal plane, first panel is connected with the second panel to make first rectangular shape recess and the rectangular shape recess of second form dislocation set and communicate each other, thereby make filtrating among the siphon scraper centrifuge gets into the arc end net through first rectangular shape recess, leaves the arc end net from the rectangular shape recess of second again.

Preferably, the first panel and the second panel are both arc-shaped integrally.

Preferably, the first elongated grooves are distributed on the first panel at equal intervals.

Preferably, the second elongated grooves are distributed on the second panel at equal intervals.

Preferably, the first panel and the second panel are both manufactured by adopting an integrally formed die-casting process.

Preferably, the first panel is connected to the second panel through a high frequency welding process.

Preferably, the long limit of first panel both sides outwards extends the connecting plate that forms and is used for connecting adjacent first panel, the connecting plate is provided with a plurality of connection ports along the vertical direction, adjacent first panel passes through the connection port of connecting plate and connects to it is the cylinder structure to make a plurality of arc end nets enclose into a whole.

Preferably, the connecting piece comprises a screw and a pressing block, and the pressing block is detachably connected with the connecting port through the screw.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a set up on the second panel and the horizontal plane between have certain inclination's the rectangular shape recess of second for constitute a spiral material conveying system when the rotary drum is rotatory at end net device, increase substantially the circulation of filtrating, so that pile up accumulational starch granule between adjacent brace rod and carried out, thereby shortened the dehydration time of starch milk, improved production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a bottom screen device of a siphon scraper centrifuge of the present invention.

Fig. 2 is an enlarged view of the region a in fig. 1.

Fig. 3 is a sectional view taken along line B-B in fig. 2.

Fig. 4 is a schematic structural diagram of the first panel of the present invention.

Fig. 5 is a schematic structural diagram of a second panel according to the present invention.

In the figure: 1-an arc bottom net; 11-a first panel; 111-a first elongated groove; 112-a connecting plate; 1121 — a connection port; 12-a second panel; 121-a second elongated groove; 2-a connector; 21-a screw; and (22) briquetting.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; 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.

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 5, a bottom screen device of a siphon scraper centrifuge comprises a plurality of arc-shaped bottom screens 1, wherein each arc-shaped bottom screen 1 comprises a first panel 11 and a second panel 12, preferably, the whole of each arc-shaped bottom screen 11 and each arc-shaped bottom screen 12 is made by an integrally formed die casting process, a side end surface of each first panel 11 is provided with a plurality of first strip-shaped grooves 111 which are parallel to each other and sequentially arranged from left to right in a vertical direction, preferably, the first strip-shaped grooves 111 are distributed on the first panel 11 at equal intervals, the second panel 12 is provided with a plurality of second strip-shaped grooves 121 which are parallel to each other and intersect with a horizontal plane, preferably, the second strip-shaped grooves 121 are distributed on the second panel 12 at equal intervals, the first panel 11 is connected with the second panel 12, preferably, the first panel 11 is welded with the second panel 12 by a high frequency welding process, so that the first strip-shaped groove 111 and the second strip-shaped groove 121 are arranged in a staggered manner and communicated with each other, and filtrate in the siphon scraper centrifuge enters the arc-shaped bottom net 1 through the first strip-shaped groove 111 and leaves the arc-shaped bottom net 1 from the second strip-shaped groove 121.

Specifically, the long sides of the two sides of the first panel 11 extend outwards to form a connecting plate 112 for connecting the adjacent first panels 11, the connecting plate 112 is provided with a plurality of connecting ports 1121 along the vertical direction, preferably, the connecting plate further comprises a connecting piece 2, the connecting piece 2 comprises a screw 21 and a pressing block 22, and the pressing block 22 is detachably connected with the connecting ports 1121 through the screw 21, so that the adjacent first panels 11 are connected through the connecting ports 1121 of the connecting plate 112, and a plurality of arc-shaped bottom nets 1 are enclosed to form a whole body to be a cylindrical structure.

Specifically, the working principle and the components of the present invention are specifically described as follows:

as shown in fig. 1 to 5, in this embodiment, the bottom screen device of the siphon scraper centrifuge is installed in a drum of the siphon scraper centrifuge, specifically, the entire drum is a cylindrical structure, so 8 arc-shaped bottom screens 1, which are integrally arc-shaped, are enclosed into an integral cylindrical structure. During assembly, the pressing block 22 is clamped in the connection ports 1121 of the two adjacent first panels 11, and the countersunk screws 21 on the pressing block 22 are tightened to tightly connect the connection ports 1121 of the two adjacent first panels 11 together.

In this embodiment, the arc-shaped bottom net 1 is made of a first panel 11 and a second panel 12 through a high-frequency welding process, so that the first panel 11 and the second panel 12 are tightly combined together, preferably, the whole of the first panel 11 and the second panel 12 is in an arc-shaped structure and is made through an integrally formed die-casting process, specifically, a side end surface of the first panel 11 is provided with a plurality of first elongated grooves 111 which are parallel to each other and are sequentially arranged from left to right in a vertical direction, preferably, the first elongated grooves 111 are distributed on the first panel 11 at equal intervals, the second panel 12 is provided with a plurality of second elongated grooves 121 which are parallel to each other and intersect with a horizontal plane, wherein after repeated tests: the inclination angle between the second elongated groove 121 and the horizontal plane is 80 ° so that the filtering effect can be optimal, preferably, the second elongated groove 121 is equally spaced on the second panel 12, wherein, through repeated tests: the second elongated groove 121 has a width of 32mm to optimize the filtering effect. When carrying out the separation and filtration, siphon scraper centrifuge's rotary drum can fast rotation, the starch milk in the rotary drum also can form the vortex under the drive of rotary drum for form the angle of inclination for 80 second strip-shaped groove 121 with the horizontal plane under the circumstances along with the rotary drum is rotatory, constitute a high-efficient spiral material conveying system, increase substantially the circulation of filtrating, so that pile up accumulational starch granule between the recess and carried out, thereby the dehydration time of starch milk has been shortened, and the production efficiency is improved.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. The utility model provides a bottom net device of siphon scraper centrifuge which characterized in that: net at the bottom of a plurality of arcs, net at the bottom of the arc includes first panel and second panel, a side end face of first panel is equipped with a plurality of mutual parallels and the first rectangular shape recess of arranging in proper order from a left side to the right side on the vertical direction, the second panel is equipped with a plurality of mutual parallels and the second rectangular shape recess that intersects with the horizontal plane, first panel is connected with the second panel to make first rectangular shape recess and second rectangular shape recess form dislocation set and communicate each other, thereby make filtrating among the siphon scraper centrifuge gets into the arc end net through first rectangular shape recess, leaves the arc end net from the second rectangular shape recess again.

2. A bottom screen assembly for a siphon drag centrifuge according to claim 1, wherein: the whole of the first panel and the second panel are both arc-shaped structures.

3. A bottom screen assembly for a siphon drag centrifuge according to claim 1, wherein: the first strip-shaped grooves are distributed on the first panel at equal intervals.

4. A bottom screen assembly for a siphon drag centrifuge according to claim 1, wherein: the second strip-shaped grooves are distributed on the second panel at equal intervals.

5. A bottom screen assembly for a siphon drag centrifuge according to claim 1, wherein: the first panel and the second panel are both manufactured by adopting an integrally formed die-casting process.

6. A bottom screen assembly for a siphon drag centrifuge according to claim 1, wherein: the first panel is connected with the second panel through a high-frequency welding process.

7. A bottom screen assembly for a siphon drag centrifuge according to claim 1, wherein: the long limit of first panel both sides outwards extends the connecting plate that forms and is used for connecting adjacent first panel, the connecting plate is provided with a plurality of connection ports along the vertical direction, adjacent first panel passes through the connection port connection of connecting plate to it is the cylinder structure to make a plurality of arc end net enclose into a whole.

8. The bottom screen assembly of a siphon drag centrifuge of claim 7, wherein: still include the connecting piece, the connecting piece includes screw and briquetting, the briquetting passes through the screw and can dismantle with connection port and be connected.