CN211563338U

CN211563338U - Pre-thickening type spiral discharging and filtering centrifuge

Info

Publication number: CN211563338U
Application number: CN201921589152.4U
Authority: CN
Inventors: 颜正飞
Original assignee: Yangzhou Younaide Mechanical Equipment Co ltd
Current assignee: Yangzhou Younaide Mechanical Equipment Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-09-25
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a pre-thickening type spiral discharging and filtering centrifuge, which comprises a centrifuge driving mechanism and a centrifugal executing mechanism; the centrifuge driving mechanism comprises a base, a driving motor, a machine body and a lubricating system; the centrifugal actuating mechanism comprises a shell, an end cover, a liquid blocking plate and a feeding pipe; the inside of the shell is divided into a centrifugal cavity and a discharge cavity by a liquid blocking plate, a spiral filtering rotary drum, a spiral pusher and a centrifugal filtering rotary drum are sequentially arranged in the centrifugal cavity from outside to inside, and a material distribution mechanism for accelerating material distribution of feeding materials is further arranged, is positioned in the centrifugal filtering rotary drum and is arranged on a material pushing shaft, and is opposite to a feeding hole of a feeding pipe; and a discharging mechanism which is fixed on the liquid blocking plate and used for collecting and discharging the separated materials and the filtrate filtered out for the first time is arranged in the discharging cavity. The design makes centrifuge's work efficiency higher, arranges the material more smoothly and difficult jam.

Description

Pre-thickening type spiral discharging and filtering centrifuge

Technical Field

The utility model relates to a centrifuge field, in particular to thickening type spiral discharge filter centrifuge in advance.

Background

The centrifugal machine is a machine which utilizes the inertial centrifugal force generated by a rotary drum to realize the separation or concentration of turbid liquid, emulsion and other heterogeneous materials. The spiral discharging centrifuge is the most common centrifuge with spiral discharging function at home and abroad at present, and mainly comprises a rotary drum, a spiral pusher, a differential mechanism, a feeding device, a washing device, a lubricating device, a transmission system, a motor, a casing, a machine base and the like.

The utility model discloses a grant utility model patent with publication number CN202951567U provides a material is enriched type spiral discharge filter centrifuge in advance, though has improved centrifugal dehydration separation effect effectively, but it still has following shortcoming: firstly, the working efficiency is low, in order to ensure the effect of pre-thickening, the feeding speed of a feeding pipe is required to be relatively low, once the speed is too high, the feeding material is flushed out farther, and the position of the feeding material falling on a centrifugal filter drum is closer, so that the corresponding pre-thickening processing time is shortened, and the pre-thickening effect is influenced; secondly, arrange the material unsmoothly, block up easily, mainly because it does not set up special scraper to assist the row material, and the bin outlet is less relatively.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a work efficiency is higher, arrange that smooth and easy and difficult thickening type spiral discharge filter centrifuge in advance of blockking up of material.

The purpose of the utility model is realized like this: a pre-thickening type spiral discharging and filtering centrifuge comprises a centrifuge driving mechanism and a centrifugal executing mechanism; the centrifuge driving mechanism comprises a base, a driving motor arranged on the base, a machine body and a lubricating system; a differential mechanism is arranged in the machine body and comprises a rotary drum shaft and a material pushing shaft; the centrifugal actuating mechanism comprises a shell, an end cover, a liquid blocking plate and a feeding pipe; the interior of the machine shell is divided into a centrifugal cavity and a discharging cavity by a liquid blocking plate.

A spiral filtering rotary drum is arranged in the centrifugal cavity and fixedly connected with a rotary drum shaft; the spiral pusher is positioned in the spiral filtering rotary drum and is fixedly connected with the pushing shaft; a centrifugal filter drum located within the screw pusher and removably mounted to the screw pusher; the material distributing mechanism is positioned in the centrifugal filter drum, arranged on the material pushing shaft and positioned right opposite to the feeding hole of the feeding pipe; and a discharging mechanism which is fixed on the liquid blocking plate and used for collecting and discharging the separated materials and the filtrate filtered out for the first time is arranged in the discharging cavity.

Compared with the prior art, the beneficial effects of the utility model reside in that: the pre-thickening centrifugal machine provided by the utility model has the advantages of higher working efficiency and smoother material discharge; the feed inlet is blocked by arranging the material distributing mechanism at the discharge port of the feed inlet pipe, and the feed is uniformly and quickly distributed on the centrifugal filter drum, so that the feed speed of the feed inlet pipe can be higher, the pre-thickening effect cannot be influenced, and higher working efficiency is sequentially realized; in addition, a scraper is arranged to assist in discharging, so that discharging is smoother and cleaner, and blockage is less prone to occurring; meanwhile, the elastic baffle, the buffer baffle and the buffer gasket are arranged, so that the impact and noise of discharging are effectively reduced.

As a preferred embodiment of the present invention, the material distributing mechanism includes a sliding column, the sliding column is slidably mounted on the material pushing shaft and is non-rotatable relative to the material pushing shaft; a buffer spring for buffering the sliding column, wherein the buffer spring is arranged in the sliding column; the conical material distributing head is arranged at the sliding end of the sliding column and is opposite to the feeding hole of the feeding pipe, and a plurality of material distributing blades are arranged on the conical surface of the material distributing head. Design simple structure like this, and divide the material effectual with higher speed, and possess certain cushioning nature, cushioned the partial impact of feeding to possess longer life.

As a preferred scheme of the present invention, the discharge mechanism includes a collecting ring detachably fixed on the liquid blocking plate, and the collecting ring is located at a position corresponding to the spiral filtering drum, and the lower end of the collecting ring is open, and two ends of the lower end of the collecting ring, which are open, are respectively provided with an elastic baffle; the material pushing mechanism is sequentially divided into a feeding cavity, a liquid discharging cavity and a discharging cavity from inside to outside by the feeding ring, the liquid collecting ring and the discharging ring, a slidable buffer baffle is arranged in the discharging cavity, a buffer gasket for buffering is arranged, and two symmetrically arranged scrapers detachably arranged on the spiral filtering rotary drum are further arranged; and the liquid discharge channel is communicated with the liquid discharge cavity. Design structure is simple relatively like this, arranges the material more smoothly, and has better damping and syllable-dividing effect to arranging the material.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

FIG. 4 is a cross-sectional view of the discharge mechanism taken along line C-C of FIG. 1.

The automatic feeding device comprises a machine base 1, a driving motor 2, a machine body 3, a rotary drum shaft 4, a material pushing shaft 5, a lubricating system 6, a machine shell 7, a centrifugal cavity 8, a spiral filtering rotary drum 9, a spiral material pushing device 10, a centrifugal filtering rotary drum 11, a sliding column 12, a buffer spring 13, a material distributing head 14, a material distributing blade 14a, a material discharging cavity 15, a material collecting ring 16, an elastic baffle 16a, a sealing cover 17, a material feeding ring 18, a material collecting ring 19, a material discharging ring 20, a material feeding cavity 21, a material discharging cavity 22, a material discharging cavity 23, a buffer baffle 23a, a buffer gasket 23b, a scraper 23c, a liquid discharging channel 24, an end cover 25, a liquid blocking plate 26 and a feeding pipe 27.

Detailed Description

As shown in fig. 1-4, a pre-thickening type spiral discharge filter centrifuge comprises a centrifuge driving mechanism and a centrifugal executing mechanism; the centrifuge driving mechanism comprises a base 1, a driving motor 2 arranged on the base 1, a machine body 3 and a lubricating system 6; a differential mechanism is arranged in the machine body 3, and comprises a rotary drum shaft 4 and a material pushing shaft 5; the centrifugal actuating mechanism comprises a machine shell 7, an end cover 25, a liquid blocking plate 26 and a feeding pipe 27; the interior of the casing 7 is divided into a centrifugal chamber 8 and a discharge chamber 15 by a liquid baffle plate 26.

A spiral filter drum 9 is arranged in the centrifugal cavity 8, and the spiral filter drum 9 is fixedly connected with the drum shaft 4; a spiral pusher 10, said spiral pusher 10 being located within the spiral filter drum 9 and being fixedly connected to the pusher shaft 5; a centrifugal filter drum 11, said centrifugal filter drum 11 being located within the screw feeder 10 and being removably mounted to the screw feeder 10; a material distributing mechanism for accelerating material distribution of the feeding material, wherein the material distributing mechanism is positioned in the centrifugal filter drum 11, is arranged on the material pushing shaft 5 and is opposite to the feeding hole of the feeding pipe 27; the discharge chamber 15 is provided with a discharge mechanism which is fixed to the liquid baffle 26 and is used for collecting and discharging the separated material and the primarily filtered filtrate.

The material distributing mechanism comprises a sliding column 12, wherein the sliding column 12 is slidably arranged on the material pushing shaft 5 and can not rotate relative to the material pushing shaft 5; a buffer spring 13 for buffering the spool 12, said buffer spring 13 being disposed inside the spool 12; a conical distributing head 14, the distributing head 14 is arranged at the sliding end of the sliding column 12 and is opposite to the feeding hole of the feeding pipe 27, and a plurality of distributing blades 14a are arranged on the conical surface of the distributing head 14.

The discharge mechanism comprises a collecting ring 16, the collecting ring 16 is detachably fixed on a liquid blocking plate 26 and corresponds to the spiral filter drum 9 in position, the lower end of the collecting ring 16 is open, and two ends of the lower opening of the collecting ring 16 are respectively provided with an elastic baffle 16 a; a sealing cover 17, the sealing cover 17 is detachably mounted at the outer end of the material collecting ring 16 and is coaxially arranged with the material collecting ring 16, a feeding ring 18, a liquid collecting ring 19 and a discharging ring 20 are sequentially arranged from inside to outside on the inner side of the sealing cover 17, the material pushing mechanism is sequentially divided into a feeding cavity 21, a liquid discharging cavity 22 and a discharging cavity 23 from inside to outside by the feeding ring 18, the liquid collecting ring 19 and the discharging ring 20, a slidable buffer baffle 23a, a buffer gasket 23b with a buffering function and two scrapers 23c which are symmetrically arranged and detachably mounted on the spiral filtering rotary drum 9 are arranged in the discharging cavity 23; a drain channel 24, said drain channel 24 being in communication with the drain chamber 22.

When the material distributor works, materials firstly enter from the feeding pipe 27 and are sprayed out from the discharge port opposite to the distributing head 14; then, the material distributing head 14 is impacted by the material, the axial impact is transmitted to the sliding column 12, the sliding column 12 slides inwards to compress the buffer spring 13, so that partial impact of the material is counteracted, and meanwhile, the material distributing head 14 continuously rotates to continuously accelerate the entering material and uniformly guide the material to the inner wall of the centrifugal filter drum 11 in a shunting manner; then, the material flows into the spiral filter drum 9 after being primarily centrifugally filtered by the centrifugal filter drum 11, and filtrate filtered by the centrifugal filter drum 11 is collected in the liquid discharge cavity 22 and then discharged from the liquid discharge channel 24; then, the materials entering the spiral filtering rotary drum 9 are subjected to spiral discharging and filtering under the combined action of the spiral filtering rotary drum 9 and the spiral pusher 10, filtrate generated in the process is discharged from a liquid outlet of the centrifugal cavity 8, and the separated materials are collected into a discharging cavity 23; then, the material entering the discharge chamber 23 is discharged from the lower end opening of the discharge chamber 23 by the scraper 23c, and the impact generated by the material in the process is partially offset by the elastic baffle 16a and partially offset by the buffer baffle 23a and the buffer washer 23 b.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims

1. A pre-thickening type spiral discharging and filtering centrifuge comprises a centrifuge driving mechanism and a centrifugal executing mechanism; the centrifuge driving mechanism comprises a base (1), and further comprises a driving motor (2), a machine body (3) and a lubricating system (6) which are arranged on the base (1); a differential mechanism is arranged in the machine body (3), and comprises a rotary drum shaft (4) and a material pushing shaft (5); the centrifugal execution mechanism comprises a machine shell (7), an end cover (25), a liquid blocking plate (26) and a feeding pipe (27); casing (7) inside is separated into centrifugal chamber (8) and ejection of compact chamber (15) by liquid board (26), its characterized in that: the centrifugal cavity (8) is internally provided with

The spiral filtering rotary drum (9), the spiral filtering rotary drum (9) is fixedly connected with the rotary drum shaft (4);

the spiral pusher (10) is positioned in the spiral filtering rotary drum (9) and is fixedly connected with the pushing shaft (5);

a centrifugal filter drum (11), wherein the centrifugal filter drum (11) is positioned in the spiral pusher (10) and is detachably arranged on the spiral pusher (10);

the material distributing mechanism is used for accelerating material distribution of fed materials, is positioned in the centrifugal filter drum (11), is arranged on the material pushing shaft (5), and is opposite to a feeding hole of the feeding pipe (27);

a discharging mechanism which is fixed on the liquid blocking plate (26) and used for collecting and discharging the separated materials and the filtrate filtered out for the first time is arranged in the discharging cavity (15).

2. A pre-thickening screw discharge filter centrifuge as defined in claim 1, wherein: the material distributing mechanism comprises

A sliding column (12), wherein the sliding column (12) is slidably arranged on the material pushing shaft (5) and can not rotate relative to the material pushing shaft (5);

a buffer spring (13) for buffering the sliding column (12), wherein the buffer spring (13) is arranged inside the sliding column (12);

the material distributing device comprises a conical material distributing head (14), wherein the material distributing head (14) is arranged at the sliding end of a sliding column (12) and is opposite to a feeding hole of a feeding pipe (27), and a plurality of material distributing blades (14 a) are arranged on the conical surface of the material distributing head (14).

3. A pre-thickening screw discharge filter centrifuge as defined in claim 1, wherein: the discharging mechanism comprises

The collecting ring (16) is detachably fixed on the liquid blocking plate (26) and corresponds to the spiral filtering rotary drum (9), the lower end of the collecting ring (16) is open, and two ends of the lower end opening of the collecting ring (16) are respectively provided with an elastic baffle (16 a);

the material collecting mechanism is characterized by comprising a sealing cover (17), wherein the sealing cover (17) is detachably arranged at the outer end of a material collecting ring (16) and is coaxially arranged with the material collecting ring (16), a feeding ring (18), a liquid collecting ring (19) and a discharging ring (20) are sequentially arranged on the inner side of the sealing cover (17) from inside to outside, the discharging mechanism is sequentially divided into a feeding cavity (21), a liquid discharging cavity (22) and a discharging cavity (23) from inside to outside by the feeding ring (18), the liquid collecting ring (19) and the discharging ring (20), a slidable buffer baffle plate (23 a) and a buffer gasket (23 b) which play a buffering role are arranged in the discharging cavity (23), and two symmetrically arranged scrapers (23 c) which are detachably arranged on a spiral filtering rotary drum (9) are further arranged;

a drainage channel (24), the drainage channel (24) being in communication with the drainage chamber (22).