CN212663891U

CN212663891U - Superfine calcium carbonate thick liquids centrifugal device

Info

Publication number: CN212663891U
Application number: CN202020681139.8U
Authority: CN
Inventors: 杨晓霏; 张发中
Original assignee: Zhejiang Province Jiande City Zheng Fa Calcium Carbonate Co ltd
Current assignee: Zhejiang Province Jiande City Zheng Fa Calcium Carbonate Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-03-09
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses an ultrafine calcium carbonate slurry centrifugal device, which comprises a tank body, wherein a centrifugal motor is arranged above the tank body; a centrifugal chamber is arranged in the tank body; the centrifugal chamber comprises a base and a filter screen arranged on the base; the base is connected with a centrifugal motor through a rotating shaft; the rotating shaft comprises a motor shaft arranged in the centrifugal motor and a centrifugal shaft arranged in the centrifugal chamber; and the tail end of the motor shaft and the top end of the centrifugal shaft are both provided with two arc-shaped limiting blocks. The utility model discloses an install the filter screen on the base, the pivot is nested each other through the arc stopper by motor shaft and the centrifugal shaft that install respectively on centrifugal motor and base and is constituted, when needing to change the filter screen, can very simple change the filter screen, can dismantle and change each part (base, centrifugal shaft and filter screen) simply and fast; the rotating shaft is changed into a detachable motor shaft and a detachable centrifugal shaft, and collision is not easy to occur in the dismounting process, so that the rotating shaft is not easy to damage.

Description

Superfine calcium carbonate thick liquids centrifugal device

Technical Field

The utility model relates to a calcium carbonate processing field, especially a superfine calcium carbonate thick liquids centrifugal device.

Background

At present, in the production of ultrafine calcium carbonate, it is necessary to slake lime, which is followed by the formation of a slurry, since the slurry formed during slaking may contain larger particles of incompletely slaked lime. If the incompletely digested lime particles are not refined, the carbonization procedure of the nano calcium carbonate can be influenced when the lime particles directly enter the production of the superfine calcium carbonate, so that part of the product can not reach the superfine grade, and the product quality can not reach the standard.

For this purpose, a centrifuge is used to centrifuge the calcium carbonate slurry (i.e., calcium carbonate slurry) to separate impurities. Centrifuge formula centrifuge as an organic whole that uses at present, the filter screen can appear wearing and tearing loss after using a period, loses the filter effect, leads to unable effective separation impurity, needs to change the filter screen. However, the filter screens of the currently used centrifugal machine are fixed on the base in an annular shape, the base is fixed with the rotating shaft, the rotating shaft is connected with the centrifugal motor, the rotating shaft and the base are required to be disassembled during replacement, the filter screens can be replaced, the disassembly and assembly process is complicated, and the rotating shaft is easy to collide and damage.

Therefore, the existing calcium carbonate slurry centrifuge has the problems of complex filter screen replacement and disassembly and easy damage of a rotating shaft.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a superfine calcium carbonate thick liquids centrifugal device. The utility model has the advantages of can simply change filter screen, not fragile pivot fast.

The technical scheme of the utility model: the superfine calcium carbonate slurry centrifugal device comprises a tank body, wherein a centrifugal motor is arranged above the tank body; a centrifugal chamber is arranged in the tank body; the centrifugal chamber comprises a hollow base arranged at the bottom of the tank body and a circle of filter screen arranged on the base; the bottom of the tank body is provided with a valve corresponding to the base; the base is connected with a centrifugal motor through a rotating shaft; a discharge chamber which contracts downwards is arranged below the tank body; a filter residue chamber which corresponds to the base and shrinks downwards is arranged in the discharging chamber; a support frame is arranged below the tank body; the rotating shaft comprises a motor shaft arranged in the centrifugal motor and a centrifugal shaft arranged in the centrifugal chamber; the tail end of the motor shaft and the top end of the centrifugal shaft are both provided with two arc-shaped limiting blocks; each arc-shaped limiting block is in a quarter round cake shape; the motor shaft and the centrifugal shaft can be mutually matched through the arc-shaped limiting block to form a rotating shaft.

In the above mentioned superfine calcium carbonate slurry centrifugal device, a material inlet corresponding to the centrifugal chamber is arranged above the tank body.

In the superfine calcium carbonate slurry centrifugal device, the tank body is of a downward-shrinkage barreled structure; the support frame is including locating jar supporting seat, a plurality of supporting legs of locating jar body outside and a plurality of footing of locating the supporting seat bottom of body bottom.

In the superfine calcium carbonate slurry centrifugal device, the bottom of the discharge chamber is inclined; a discharge hole is formed in the bottommost part of the discharge chamber; the bottom of the filter residue chamber is provided with a filter residue port; and valves are arranged on the discharge port and the filter residue port.

In the above mentioned superfine calcium carbonate slurry centrifugal device, the centrifugal shaft is connected to the base through a screw thread.

Compared with the prior art, the utility model discloses an install the filter screen on the base, the pivot passes through the arc stopper by installing motor shaft and the centrifugal axle on centrifugal motor and base respectively and nests each other and constitutes, when needs change the filter screen, only needs to take together the motor shaft with the centrifugal motor off from the jar body, again with the filter screen together with base and centrifugal axle take out after just can very simple change filter screen together. The centrifugal motor, the motor shaft, the base, the centrifugal shaft and the filter screen are connected by adopting a mechanical structure, so that all parts (the base, the centrifugal shaft and the filter screen) can be quickly and simply disassembled and replaced; the rotating shaft is changed into a detachable motor shaft and a detachable centrifugal shaft, and collision is not easy to occur in the dismounting process, so that the rotating shaft is not easy to damage.

Therefore, the utility model has the advantages of quick and simple replacement of the filter screen and difficult damage of the rotating shaft. The components such as the filter screen and the like can be quickly disassembled and replaced, and the rotating shaft is not easy to damage, so that the whole centrifugal rotating device is not influenced by damage of individual components, the service life of the centrifugal device is prolonged, and the cost is reduced.

Drawings

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

FIG. 2 is a schematic structural view of the rotating shaft of the present invention;

the labels in the figures are: 1-tank body, 11-valve plate, 2-centrifugal motor, 31-base, 32-filter screen, 4-rotating shaft, 41-motor shaft, 42-centrifugal shaft, 5-discharging chamber, 51-discharging port, 6-filter slag chamber, 61-slag outlet, 71-supporting seat, 72-supporting foot, 73-bottom foot and 8-arc limiting block.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. A centrifugal device for superfine calcium carbonate slurry is shown in figures 1-2 and comprises a tank body 1, wherein a centrifugal motor 2 is arranged above the tank body 1; a centrifugal chamber is arranged in the tank body 1; the centrifugal chamber comprises a hollow base 31 arranged at the bottom of the tank body 1 and a filter screen 32 arranged on the base 31 and encircled into a circle; the bottom of the tank body 1 is provided with a valve plate 11 corresponding to the base 31; the base 31 is connected with the centrifugal motor 2 through a rotating shaft 4; a discharge chamber 5 which contracts downwards is arranged below the tank body 1; a filter residue chamber 6 which corresponds to the base 31 and contracts downwards is arranged in the discharging chamber 5; a support frame is arranged below the tank body 1; the rotating shaft 4 comprises a motor shaft 41 arranged in the centrifugal motor 2 and a centrifugal shaft 42 arranged in the centrifugal chamber; the tail end of the motor shaft 41 and the top end of the centrifugal shaft 42 are both provided with two arc-shaped limiting blocks 8; each arc-shaped limiting block 8 is in a quarter round cake shape.

A feeding port corresponding to the centrifugal chamber is arranged above the tank body 1.

The tank body 1 is of a downward-contracted barreled structure; the support frame comprises a support base 71 arranged at the bottom of the tank body 1, a plurality of support legs 72 arranged at the outer side of the tank body 1 and a plurality of bottom feet 73 arranged at the bottom of the support base 71.

The bottom of the discharging chamber 5 is inclined; the discharge port 51 is arranged at the bottommost part of the discharge chamber 5; a slag outlet 61 is arranged at the bottom of the slag filtering chamber 6; and the discharge hole 51 and the slag outlet 61 are both provided with valves.

The centrifugal shaft 42 is mounted on the base 31 by a screw connection.

The working principle is as follows: the utility model is installed in the place to be worked, as shown in figures 1-2. The superfine calcium carbonate slurry enters the centrifugal chamber through the feeding port, the centrifugal motor 2 rotates to drive the motor shaft 41, and the centrifugal shaft 42 and the base 31 are driven to rotate. The ultrafine calcium carbonate slurry is filtered by the filter screen 32 under the centrifugal action, and the impurities which cannot pass through are accumulated at the bottom of the centrifugal chamber. The ultra-fine calcium carbonate slurry after centrifugal filtration flows into the discharging chamber 5 along the side wall of the tank body 1. The valve plate 11 is opened and impurities flow into the filter residue chamber 6. The valves of the slag outlet 61 and the discharge outlet 51 are opened to discharge and discharge slag, respectively.

When the filter screen 32 needs to be replaced, the centrifugal motor 2 together with the motor shaft 41 is detached from the tank body 1, the tank cover of the tank body 1 is opened, and the base 31 together with the centrifugal shaft 42 and the filter screen 32 is taken out. The filter screen 32 on the replacement base 31 is removed. And after the components are replaced, the components are installed back in order.

Claims

1. The utility model provides an ultra-fine calcium carbonate thick liquids centrifugal device which characterized in that: the centrifugal pot comprises a pot body (1), wherein a centrifugal motor (2) is arranged above the pot body (1); a centrifugal chamber is arranged in the tank body (1); the centrifugal chamber comprises a hollow base (31) arranged at the bottom of the tank body (1) and a circle of filter screen (32) arranged on the base (31) in a surrounding manner; the bottom of the tank body (1) is provided with a valve plate (11) corresponding to the base (31); the base (31) is connected with the centrifugal motor (2) through a rotating shaft (4); a discharge chamber (5) which contracts downwards is arranged below the tank body (1); a filter residue chamber (6) which corresponds to the base (31) and is contracted downwards is arranged in the discharging chamber (5); a support frame is arranged below the tank body (1); the rotating shaft (4) comprises a motor shaft (41) arranged in the centrifugal motor (2) and a centrifugal shaft (42) arranged in the centrifugal chamber; the tail end of the motor shaft (41) and the top end of the centrifugal shaft (42) are respectively provided with two arc-shaped limiting blocks (8); each arc-shaped limiting block (8) is in a quarter round cake shape; the centrifugal shaft (42) is installed on the base (31) through threaded connection.

2. The ultrafine calcium carbonate slurry centrifugal device according to claim 1, characterized in that: a feeding port corresponding to the centrifugal chamber is arranged above the tank body (1).

3. The ultrafine calcium carbonate slurry centrifugal device according to claim 1, characterized in that: the tank body (1) is of a downward-contracted barreled structure; the support frame comprises a support base (71) arranged at the bottom of the tank body (1), a plurality of support legs (72) arranged at the outer side of the tank body (1) and a plurality of bottom feet (73) arranged at the bottom of the support base (71).

4. The ultrafine calcium carbonate slurry centrifugal device according to claim 1, characterized in that: the bottom of the discharging chamber (5) is inclined; a discharge hole (51) is formed in the bottommost part of the discharge chamber (5); a slag outlet (61) is arranged at the bottom of the slag filtering chamber (6); and valves are arranged on the discharge hole (51) and the slag outlet (61).