阅读说明：本技术 一种轻重矿物分离装置及方法 (Light and heavy mineral separation device and method ) 是由 崔向东 郭鹏超 曹兰柳 王仁厚 张静 温国强 李学万 耿会勇 宋一鸣 何姝婷 莫 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种轻重矿物分离装置及方法,该装置包括：内管、外管和封堵件。其中,内管套设于外管内,内管的底部与外管连通,且两者的底部之间具有预设间距；内管的管口与外管的管口为间隙配合；封堵件用于封堵内管的管口。本发明可以快速完成轻矿物与重矿物的分离,提高作业效率。(The invention discloses a light and heavy mineral separation device and a method, wherein the device comprises: inner tube, outer tube and shutoff piece. The inner pipe is sleeved in the outer pipe, the bottom of the inner pipe is communicated with the outer pipe, and a preset distance is reserved between the bottoms of the inner pipe and the outer pipe; the pipe orifice of the inner pipe is in clearance fit with the pipe orifice of the outer pipe; the plugging piece is used for plugging the pipe orifice of the inner pipe. The invention can rapidly complete the separation of light minerals and heavy minerals and improve the operation efficiency.)

1. A light and heavy mineral separation device is characterized by comprising: the inner pipe (1), the outer pipe (2) and the plugging piece (3);

the inner pipe (1) is sleeved in the outer pipe (2), the bottom of the inner pipe (1) is communicated with the outer pipe (2), and a preset distance is formed between the bottoms of the inner pipe and the outer pipe;

the pipe orifice of the inner pipe (1) is in clearance fit with the pipe orifice of the outer pipe (2);

the plugging piece (3) is used for plugging the orifice of the inner tube (1).

2. A device according to claim 1, characterized in that an eversion structure is provided at the orifice of the inner tube (1) for snapping the inner tube (1) onto the outer tube (2).

3. The device according to claim 1, characterized in that the bottom of the inner tube (1) and the outer tube (2) is of conical configuration.

4. Device according to claim 1, characterized in that the bottom of the inner tube (1) is provided with a horizontal opening.

5. A device according to claim 1, wherein the closure (3) is a rubber plug.

6. The device according to claim 5, characterized in that the closure (3) is of truncated-cone-shaped configuration.

7. The device according to claim 1, characterized in that the distance between the bottom of the inner tube (1) and the bottom of the outer tube (2) is 0.3cm-0.5 cm.

8. The device according to claim 1, characterized in that the inner tube (1) has a wall thickness of 0.05cm to 0.15cm, a tube diameter of 2cm to 2.4cm and a length of 12.6cm to 13 cm.

9. A device according to claim 1, characterised in that the outer tube (2) has a wall thickness of 0.05cm to 0.15cm, a tube diameter of 2.3cm to 2.7cm and a length of 13cm to 13.4 cm.

10. A method for separating light minerals from heavy minerals by using the light and heavy mineral separation apparatus according to any one of claims 1 to 9, wherein the method comprises:

putting an inner tube (1) into an outer tube (2) to enable a tube opening of the inner tube (1) to be in clearance fit with a tube opening of the outer tube (2);

injecting a first preset amount of heavy liquid into the inner pipe (1) and the outer pipe (2), and injecting a second preset amount of light and heavy minerals into the inner pipe (1) and the outer pipe (2);

the pipe orifice of the inner pipe (1) is plugged by a plugging piece (3);

shaking and vibrating the inner pipe (1) and the outer pipe (2) to separate light minerals and heavy minerals in the light and heavy minerals, wherein the heavy minerals are settled and fall to the bottom of the outer pipe (2), and the light minerals float in the inner pipe (1);

and (2) quickly taking out the inner pipe (1) from the outer pipe (2), wherein in the process, the light minerals and the heavy liquid in the inner pipe (1) are taken out together with the inner pipe (1), so that the separation of the light minerals and the heavy minerals is realized.

Technical Field

The invention relates to the technical field of mineral separation, in particular to a light and heavy mineral separation device and method.

Background

In oil exploration and development operations, the type and combination characteristics of heavy minerals in sedimentary rocks are generally used for judging the source direction and the matrix properties and comparing strata, and in order to obtain the heavy minerals, the light and heavy minerals in the sedimentary rocks need to be separated.

In the prior art, a test tube is generally used for separating light and heavy minerals into a top layer and a bottom layer by using heavy liquid, and the light minerals on the top layer are poured out of the test tube. In the process of pouring out the light minerals, along with the inclination of the test tube, the liquid level extends to the bottom of the test tube, part of the light minerals can be adhered to the bottom of the test tube, and at the moment, heavy liquid needs to be refilled and the light minerals are vibrated to float at the top again, and then the step of pouring out the test tube by the light minerals is repeated. In the whole process of separating the light and heavy minerals, the operation of workers with skilled actions needs to be carried out at least 3-4 times, and the operation of workers with inexperienced actions needs to be carried out 6-7 times, so that the operation efficiency is low.

Disclosure of Invention

The embodiment of the invention provides a light and heavy mineral separation device, which is used for improving the operation efficiency and comprises: the inner pipe, the outer pipe and the plugging piece;

the inner pipe is sleeved in the outer pipe, the bottom of the inner pipe is communicated with the outer pipe, and a preset distance is reserved between the bottoms of the inner pipe and the outer pipe;

the pipe orifice of the inner pipe is in clearance fit with the pipe orifice of the outer pipe;

the plugging piece is used for plugging the pipe orifice of the inner pipe.

In one possible design, an everting structure is provided at the orifice of the inner tube for clamping the inner tube to the outer tube.

In one possible design, the bottom of the inner and outer tubes are of a conical configuration.

In one possible design, the bottom of the inner tube is provided with a horizontal opening.

In one possible design, the closure is a rubber stopper.

In one possible design, the closure is of truncated cone-shaped construction.

In one possible design, the spacing between the bottom of the inner tube and the bottom of the outer tube is 0.3cm to 0.5 cm.

In one possible design, the inner tube has a wall thickness of 0.05cm to 0.15cm, a tube diameter of 2cm to 2.4cm, and a length of 12.6cm to 13 cm.

In one possible design, the outer tube has a wall thickness of 0.05cm to 0.15cm, a tube diameter of 2.3cm to 2.7cm, and a length of 13cm to 13.4 cm.

The embodiment of the invention also provides a method for separating light minerals and heavy minerals by using the device, which is used for improving the operation efficiency and comprises the following steps:

putting an inner pipe into an outer pipe, and enabling a pipe orifice of the inner pipe to be in clearance fit with a pipe orifice of the outer pipe;

injecting a first preset amount of heavy liquid into the inner pipe and the outer pipe, and injecting a second preset amount of light and heavy minerals into the inner pipe and the outer pipe;

plugging the pipe orifice of the inner pipe by using a plugging piece;

shaking and vibrating the inner pipe and the outer pipe to separate light minerals and heavy minerals in the light minerals and the heavy minerals, wherein the heavy minerals are settled and fall into the bottom of the outer pipe in the process, and the light minerals float in the inner pipe;

and quickly taking out the inner pipe from the outer pipe, wherein in the process, the light minerals and the heavy liquid in the inner pipe are taken out together with the inner pipe, so that the separation of the light minerals and the heavy minerals is realized.

In the embodiment of the invention, the inner pipe, the outer pipe and the plugging piece are arranged, the inner pipe is sleeved in the outer pipe, the bottom of the inner pipe is communicated with the outer pipe, and the bottom of the inner pipe and the bottom of the outer pipe are spaced at a preset distance, so that a storage space can be reserved for the heavy minerals obtained after separation. Set up to clearance fit through the mouth of pipe with the inner tube with the mouth of pipe of outer tube to utilize the mouth of pipe of shutoff piece shutoff inner tube, can avoid heavy liquid to volatilize, make the inner tube be in for negative pressure state simultaneously, when mentioning the inner tube, can make light mineral in the inner tube and heavy liquid together taken out along with the inner tube, accomplish the disposable separation of light mineral, heavy mineral, the operating efficiency is higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:

fig. 1 is a schematic structural diagram of a light and heavy mineral separation device in an embodiment of the invention.

The reference numbers are as follows:

1, an inner pipe is arranged in the inner pipe,

2, an outer pipe and a water pipe,

3 a closure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

The term "light and heavy minerals" means: a mixture of light and heavy minerals.

The embodiment of the invention provides a light and heavy mineral separation device, as shown in the attached figure 1, the device comprises: an inner tube 1, an outer tube 2 and a blocking piece 3. Wherein, in the outer tube 2 was located to the inner tube 1 cover, the bottom and the outer tube 2 intercommunication of inner tube 1, and have the preset interval between the bottom between the two. The orifice of the inner tube 1 is in clearance fit with the orifice of the outer tube 2. The plugging piece 3 is used for plugging the orifice of the inner pipe 1.

When the light and heavy minerals need to be separated, the inner pipe 1 is placed into the outer pipe 2, and the pipe orifice of the inner pipe 1 is in clearance fit with the pipe orifice of the outer pipe 2. Subsequently, a first predetermined amount of heavy liquid is injected into the inner tube 1 and the outer tube 2, a second predetermined amount of light and heavy minerals is injected into the inner tube 1 and the outer tube 2, and the orifice of the inner tube 1 is plugged by the plugging member 3. Shaking and vibrating the inner pipe 1 and the outer pipe 2 to separate the light minerals and the heavy minerals in the light and heavy minerals under the action of the heavy liquid, wherein the heavy minerals are settled and fall into the bottom of the outer pipe 2, and the light minerals float in the inner pipe 1. Then, the inner tube 1 is taken out from the outer tube 2 quickly, and because the pipe orifice of the inner tube 1 is in clearance fit with the pipe orifice of the outer tube 2, and the plugging piece 3 plugs the pipe orifice of the inner tube 1, in the process, under the action of negative pressure, the light minerals and the heavy liquid in the inner tube 1 are taken out together with the inner tube 1, so that the separation of the light minerals and the heavy minerals is realized.

According to the light and heavy mineral separation device provided by the embodiment of the invention, the inner pipe 1, the outer pipe 2 and the plugging piece 3 are arranged, the inner pipe 1 is sleeved in the outer pipe 2, the bottom of the inner pipe 1 is communicated with the outer pipe 2, and a preset distance is formed between the bottoms of the inner pipe 1 and the outer pipe 2, so that a storage space can be reserved for heavy minerals obtained after separation. Set up to clearance fit through the mouth of pipe with inner tube 1 and the mouth of pipe of outer tube 2 to utilize the mouth of pipe of shutoff piece 3 shutoff inner tube 1, can avoid heavy liquid to volatilize, make inner tube 1 be in simultaneously for the negative pressure state, when mentioning inner tube 1, can make light mineral and heavy liquid in the inner tube 1 together taken out along with inner tube 1, accomplish the disposable separation of light mineral, heavy mineral, the operating efficiency is higher.

Wherein, the amount of the heavy liquid injected into the light and heavy mineral separation device accounts for 70-80% (such as 70%, 75%, 80% and the like) of the volume of the light and heavy mineral separation device. The amount of the light and heavy minerals injected into the light and heavy mineral separation device accounts for 20-30% (such as 20%, 25%, 30% and the like) of the volume of the light and heavy mineral separation device.

The spacing between the bottom of the inner tube 1 and the bottom of the outer tube 2 may be from 0.3cm to 0.5cm (e.g., 0.3cm, 0.4cm, 0.5cm, etc.).

The inner tube 1 and the outer tube 2 may be made of glass. The inner tube 1 may have a wall thickness of 0.05cm to 0.15cm (e.g., 0.05cm, 0.1cm, 0.15cm, etc.), a tube diameter of 2cm to 2.4cm (e.g., 2cm, 2.2cm, 2.4cm, etc.), and a length of 12.6cm to 13cm (e.g., 12.6cm, 12.8cm, 13cm, etc.).

The outer tube 2 may have a wall thickness of 0.05cm to 0.15cm (e.g., 0.05cm, 0.1cm, 0.15cm, etc.), a tube diameter of 2.3cm to 2.7cm (e.g., 2.3cm, 2.5cm, 2.7cm, etc.), and a length of 13cm to 13.4cm (e.g., 13cm, 13.2cm, 13.4cm, etc.).

The block piece 3 may be a rubber plug. Specifically, in order to ensure the service life of the plugging member 3, a material having high temperature resistance (e.g., 80 ℃ temperature resistance), acid resistance, and organic solvent resistance may be selected.

Further, in order to enable the plugging member 3 to tightly plug the orifice of the inner tube 1, the plugging member 3 may be configured to be a truncated cone structure. Specifically, the rubber stopper 39 has a trapezoidal longitudinal section, and may have an upper end diameter of 2.3cm to 2.7cm (e.g., 2.3cm, 2.5cm, 2.7cm, etc.), a lower end diameter of 1.6cm to 2.0cm (e.g., 1.6cm, 1.8cm, 2.0cm, etc.), and a height of 2.2cm to 2.6cm (e.g., 2.2cm, 2.4cm, 2.6cm, etc.).

In order to ensure that the nozzle of the inner tube 1 is in clearance fit with the nozzle of the outer tube 2 and the inner tube 1 is taken out of the outer tube 2 conveniently, an outward turning structure can be arranged at the nozzle of the inner tube 1 and used for clamping the inner tube 1 on the outer tube 2. I.e. the diameter of the everted structure is larger than the diameter of the orifice of the outer tube 2.

Wherein, the structure of turning up can be: the inner tube 1 is turned outwards at the orifice to form a structure, see fig. 1. The inside diameter of the everted structure may be from 2.7cm to 3.1cm (e.g., 2.7cm, 2.9cm, 3.1cm, etc.).

Can guarantee that heavy mineral can pass inner tube 1 fast after the separation, sink the bottom of outer tube 2, can set up the bottom of inner tube 1 and outer tube 2 into the toper structure.

Further, in order to ensure that the bottom of the inner tube 1 communicates with the outer tube 2, a horizontal opening may be provided at the bottom of the inner tube 1. Wherein the diameter of the opening can be 0.1cm-0.3cm (such as 0.1cm, 0.2cm, 0.3cm, etc.).

In addition, the light and heavy mineral separation device provided by the embodiment of the invention can be cleaned by alcohol after being used, and can be repeatedly used. By using the invention, the accurate separation of the light and heavy minerals in the rock sample is ensured, the production efficiency is improved, the sample preparation requirement of the separation of the light and heavy minerals in the sedimentary rock is met, the light and heavy minerals prepared by the sample are completely separated without mixing, and the efficiency is improved by three times.

The embodiment of the invention also provides a method for classifying light minerals and heavy minerals by using the light and heavy mineral separation device, which comprises the following steps:

the inner tube 1 is placed into the outer tube 2, so that the orifice of the inner tube 1 is in clearance fit with the orifice of the outer tube 2.

A first predetermined amount of heavy liquid is injected into the inner tube 1 and the outer tube 2 and a second predetermined amount of light and heavy minerals is injected into the inner tube 1 and the outer tube 2.

The orifice of the inner tube 1 is plugged by a plugging member 3.

Shaking and vibrating the inner pipe 1 and the outer pipe 2 to separate the light minerals and the heavy minerals in the light minerals, wherein the heavy minerals are settled and fall into the bottom of the outer pipe 2, and the light minerals float in the inner pipe 1.

The inner pipe 1 is quickly taken out from the outer pipe 2, and in the process, the light minerals and the heavy liquid in the inner pipe 1 are taken out together with the inner pipe 1, so that the separation of the light minerals and the heavy minerals is realized.

By utilizing the method, the heavy liquid can be prevented from volatilizing, the inner pipe 1 is in a negative pressure state, when the inner pipe 1 is lifted, the light minerals and the heavy liquid in the inner pipe 1 can be taken out along with the inner pipe 1, the light minerals and the heavy minerals can be separated at one time, and the operation efficiency is higher.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.