CN213965295U

CN213965295U - Thickener pulp feeding device

Info

Publication number: CN213965295U
Application number: CN202022671008.4U
Authority: CN
Inventors: 向庆宏; 周为民
Original assignee: Liling Zhengchong Gold Mining Co ltd
Current assignee: Liling Zhengchong Gold Mining Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-17
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a thickener pulp inlet device, which is applied to a thickener, is arranged at a pulp inlet pipe of the thickener and is sleeved on the upper part of a main shaft of the thickener, and the thickener pulp inlet device comprises a pulp inlet connecting part, a sedimentation cylinder body and a conical cylinder body which are sequentially connected from top to bottom; the slurry inlet connecting part comprises a slurry inlet connecting pipe and a slurry inlet connecting part body, the slurry inlet connecting part body is fixedly connected with the slurry inlet connecting pipe, and the slurry inlet connecting pipe is tangent to the outer wall of the slurry inlet connecting part body; the cone-shaped column body comprises a connecting end and a discharging end, and the connecting end is fixedly connected with the sedimentation column body. By means of feeding the device, the coarse-grained minerals are settled in advance without providing extra power, the efficiency is improved, and the energy consumption is saved.

Description

Thickener pulp feeding device

Technical Field

The utility model relates to a mineral concentration, dehydration splitter field.

Background

In the beneficiation of coal, metal and non-metal minerals, magnetic separation or flotation concentrate needs to be dehydrated before sale so as to be convenient for transportation; for tailings after sorting, dehydration is also required before dry stacking. Sometimes it is desirable to increase the pulp concentration prior to mineral separation. The concentration is usually carried out firstly, a thickener is generally adopted for the concentration, and if the ore pulp is directly pumped into the thickener by a pump or automatically flows into the thickener, the ore pulp needs a larger sedimentation area and a deeper sedimentation distance. Therefore, the equipment specification of the thickener can be increased, the equipment investment amount and the installation cost are increased, and the power consumption is high in the operation process of the equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the concentration of ore pulp needs to be improved before and after separation in the separation process of coal, metal and non-metal minerals. The ore pulp mixed with coarse and fine minerals enters a thickener to cause overlarge sedimentation area, and pre-sedimentation is adopted to solve the problem.

In order to solve the technical problem, the utility model provides a technical scheme does:

a thickener pulp inlet device is applied to a thickener, is arranged at a pulp inlet pipe of the thickener and is sleeved at the upper part of a main shaft of the thickener, and comprises a pulp inlet connecting part, a sedimentation cylinder and a conical cylinder which are sequentially connected from top to bottom; the slurry inlet connecting part comprises a slurry inlet connecting pipe and a slurry inlet connecting part body, the slurry inlet connecting part body is fixedly connected with the slurry inlet connecting pipe, and the slurry inlet connecting pipe is tangent to the outer wall of the slurry inlet connecting part body; the cone-shaped column body comprises a connecting end and a discharging end, and the connecting end is fixedly connected with the sedimentation column body.

As a further improvement of the above technical solution:

the slurry inlet connecting part body and the slurry inlet connecting pipe are both in a circular pipe shape, and the axis of the slurry inlet connecting pipe is perpendicular to the axis of the slurry inlet connecting part body.

The sedimentation column body is in a circular tube shape, and the axis of the sedimentation column body is superposed with the axis of the pulp inlet connecting part body.

The cone-shaped cylinder is a hollow cone pipe, the diameter from the connecting end to the discharging end is gradually reduced, and the axis of the cone-shaped cylinder coincides with the axis of the slurry inlet connecting part body and the axis of the sedimentation cylinder.

The connecting end and the sedimentation column body are fixedly connected through a flange and fastened through bolts.

The material of the slurry inlet connecting part, the settling column and the conical column is wear-resistant metal or alloy.

The utility model discloses still provide a technical scheme, specifically do:

a thickener comprises a thickener shell, a driving device, an overflow chute, a main shaft, a rake rack, a steady flow barrel, a pulp inlet pipe and a discharge port, wherein the pulp inlet pipe of the thickener is provided with any one of the thickener pulp inlet devices.

Compared with the prior art, the utility model has the advantages of:

1. because the ore pulp is fed into the cylinder body of the connecting part of the pulp inlet from the tangential direction and is forced to do rotary motion after entering the wall of the settling cylinder body, coarse particles with large centrifugal force can overcome hydraulic resistance to move towards the inner wall of the settling cylinder body and spirally move downwards along the inner wall of the settling cylinder body under the combined action of self gravity. The fine particles and water do not move around with the slurry because of small centrifugal force without being close to the column wall, so that the coarse particles are concentrated to the periphery, the fine particles stay in the central area, the coarse particles are discharged from the lower part, and the fine particles and water are discharged from the upper part; therefore, the coarse particles are pre-settled once entering the thickener, the residual amount is reduced, and the required settling area can be correspondingly reduced; conversely, the same size thickener can handle more slurry.

2. By means of feeding the device, the coarse-grained minerals are settled in advance without providing extra power, the efficiency is improved, and the energy consumption is saved.

3. Each part of the thickener pulp inlet device is arranged in a split manner, so that the thickener pulp inlet device is convenient to replace and easy to maintain.

Drawings

Fig. 1 is a schematic structural view of a thickener pulp inlet device of the utility model.

Fig. 2 is an application structure schematic diagram of the thickener pulp inlet device of the utility model.

Illustration of the drawings:

1. a slurry inlet connecting part; 2. settling the column; 3. a tapered cylinder;

11. a slurry inlet connecting pipe; 12. a pulp inlet connecting part body;

31. a connecting end; 32. a discharge end;

100. a thickener housing; 101. a drive device; 102. an overflow trough; 103. a main shaft; 104. a rake rack; 105. a flow stabilizing barrel; 106. a pulp inlet pipe; 107. and (4) a discharge port.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.

Example 1:

as shown in fig. 1-2, the utility model provides a thickener pulp inlet device, which comprises a pulp inlet connecting part 1, a settling cylinder 2 and a conical cylinder 3, wherein the pulp inlet connecting part 1, the settling cylinder 2 and the conical cylinder 3 are sequentially connected from top to bottom; the slurry inlet connecting part 1 comprises a slurry inlet connecting pipe 11 and a slurry inlet connecting part body 12, the slurry inlet connecting part body 12 is fixedly connected with the slurry inlet connecting pipe 11, and the slurry inlet connecting pipe 11 is tangent to the outer wall of the slurry inlet connecting part body 12; the conical column body 3 comprises a connecting end 31 and a discharging end 32, and the connecting end 31 is fixedly connected with the lower end of the sedimentation column body 2; the utility model is applied to the thickener and is arranged at the position of a pulp inlet pipe 106, the pulp inlet device of the thickener is sleeved at the upper part of a main shaft 103 of the thickener, a pulp inlet connecting pipe 11 of the pulp inlet device of the thickener is connected with the pulp inlet pipe 106 of the thickener, and a flange is arranged at the connecting position and is fastened by a bolt; the thickener pulp inlet device is arranged in a steady flow barrel 105 of the thickener.

When the device is used, ore pulp enters a pulp inlet pipe 106 of the thickener at a certain pressure and then enters a pulp inlet connecting part 1, the ore pulp is fed into the settling cylinder 2 along the tangential direction, coarse particles with large centrifugal force can overcome hydraulic resistance and move towards the inner wall of the settling cylinder 2, and spirally move downwards along the inner wall of the settling cylinder 2 to the conical cylinder 3 under the combined action of self gravity, fine particles and water do not approach the inner wall of the settling cylinder 2 due to small centrifugal force, namely do rotary motion along with slurry, overflow to a steady flow barrel 105 from the upper part of the pulp inlet device, the settled materials are discharged out of the thickener from a discharge port 107 at the bottom of the thickener, the rake frame 104 is driven by the driving device 101 to slowly rotate along the main shaft 103 of the thickener, and meanwhile, the driving device 101 can lift or lower the main shaft 103 according to the thickness of the materials at the bottom, so as to lift or lower the rake frame 104. The ore pulp is fed into the settling column body 2 from the tangential direction through the pulp inlet connecting part 1, and large coarse particle materials are separated immediately after entering the thickener by utilizing centrifugal force and spirally move downwards along the inner wall of the settling column body 2 under the combined action of self gravity. The fine particles do rotary motion and stay in the central area, the coarse particles are discharged from the discharge end 32 at the lower part of the conical cylinder 3, the fine particles and water are discharged at the upper part, and a part of materials are separated without additional power. Thus, the pre-sedimentation is realized, the residual part is reduced, the required sedimentation area can be correspondingly reduced, the angle is changed, and the treatment capacity of the thickener with the same sedimentation area is improved.

Furthermore, the slurry inlet connecting part body 12 and the slurry inlet connecting pipe 11 are both in a circular tube shape, the thickness of the pipe wall can be designed according to actual requirements, the axis of the slurry inlet connecting pipe 11 is vertical to the axis of the slurry inlet connecting part body 12, and the slurry inlet connecting pipe can be horizontally arranged, so that the method is a more conventional arrangement method; or the end near the slurry inlet pipe 106 is slightly higher than the end near the slurry inlet connecting part body 12, so that the slurry can provide stronger impulsive force due to gravity.

Further, the sedimentation cylinder 2 is in a circular tube shape, the thickness of the tube wall can be designed according to actual requirements, and the axis of the sedimentation cylinder 2 is coincided with the axis of the slurry inlet connecting part body 12.

Further, the conical cylinder 3 is a hollow conical pipe, the diameter from the connecting end 31 to the discharging end 32 is gradually reduced, the axis of the conical cylinder 3 coincides with the axes of the slurry inlet connecting part body 12 and the sedimentation cylinder 2, and the axes of the conical cylinder 3, the slurry inlet connecting part body 12 and the sedimentation cylinder 2 can be concentrically arranged with the main shaft 103 of the thickener.

Further, link 31 and subside for the cylinder 2 lower part flange fixed connection to the bolt fastens, can make things convenient for dismouting and maintenance like this, because all parts all can the partition in the transportation, convenient transportation.

Furthermore, the material of the slurry inlet connecting part 1, the settling cylinder 2 and the conical cylinder 3 is wear-resistant metal or alloy, for example, wear-resistant steel is adopted, so that the service life can be prolonged.

Example 2:

as shown in fig. 1-2, the present invention further provides a thickener, which comprises a thickener housing 100, a driving device 101, an overflow trough 102, a main shaft 103, a rake rack 104, a steady flow barrel 105, a pulp inlet pipe 106, and a discharge port 107; the pulp inlet pipe 106 of the thickener is equipped with any of the thickener pulp inlet devices set forth in example 1.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a thickener advances thick liquid device, is applied to the thickener, installs in thickener entering thick liquid pipe department, and the cover is established on thickener main shaft upper portion, its characterized in that: the thickener slurry inlet device comprises a slurry inlet connecting part, a sedimentation cylinder and a conical cylinder, wherein the slurry inlet connecting part, the sedimentation cylinder and the conical cylinder are sequentially connected from top to bottom; the slurry inlet connecting part comprises a slurry inlet connecting pipe and a slurry inlet connecting part body, the slurry inlet connecting part body is fixedly connected with the slurry inlet connecting pipe, and the slurry inlet connecting pipe is tangent to the outer wall of the slurry inlet connecting part body; the cone-shaped column body comprises a connecting end and a discharging end, and the connecting end is fixedly connected with the sedimentation column body.

2. The thickener pulp inlet device according to claim 1, wherein: the slurry inlet connecting part body and the slurry inlet connecting pipe are both in a circular pipe shape, and the axis of the slurry inlet connecting pipe is perpendicular to the axis of the slurry inlet connecting part body.

3. The thickener pulp inlet device according to claim 1, wherein the settling cylinder is in a shape of a circular tube, and the axis of the settling cylinder coincides with the axis of the pulp inlet connecting part body.

4. The thickener pulp inlet device according to claim 1, wherein the conical cylinder is a hollow conical pipe, the diameter from the connecting end to the discharging end is gradually reduced, and the axis of the conical cylinder coincides with the axes of the pulp inlet connecting part body and the sedimentation cylinder.

5. Thickener pulp inlet device according to any of the claims 1-4, characterized in that: the connecting end and the sedimentation column body are fixedly connected through a flange and fastened through bolts.

6. Thickener pulp inlet device according to any of the claims 1-4, characterized in that: the material of the slurry inlet connecting part, the settling column and the conical column is wear-resistant metal or alloy.

7. A thickener comprises a thickener shell, a driving device, an overflow chute, a main shaft, a rake rack, a steady flow barrel, a pulp inlet pipe and a discharge port, and is characterized in that: the pulp inlet pipe of the thickener is provided with the pulp inlet device of the thickener as claimed in any of the claims 1 to 6.