CN211359205U

CN211359205U - Flotation column ore feeding device

Info

Publication number: CN211359205U
Application number: CN201922022411.1U
Authority: CN
Inventors: 张翼
Original assignee: Wuhan Institute of Technology
Current assignee: Wuhan Institute of Technology
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-08-28
Anticipated expiration: 2029-11-21

Abstract

A flotation column ore feeding device relates to the technical field of flotation equipment. This flotation column advances ore device includes ore pulp pipeline, be equipped with annular limiting plate in the ore pulp pipeline, form annular ore outlet between the bottom of limiting plate and ore pulp pipeline's the inner wall, the inner wall of limiting plate upwards extends and forms the division board, the inboard formation flotation foam passageway of division board, ore pulp pipeline inner wall, form the ore deposit groove between limiting plate and the division board, ore pulp pipeline's outer wall connection has at least one and the advancing ore pipe of ore deposit groove intercommunication, be equipped with the dispersion devices that are used for the dispersion to advance the ore deposit pipe and give into the ore pulp in the ore deposit groove. The application provides a flotation column advances ore device can make the better contact of ore pulp and bubble to avoid the ore pulp to block up.

Description

Flotation column ore feeding device

Technical Field

The application relates to the field of flotation equipment, in particular to a flotation column ore feeding device.

Background

In mineral flotation, the most widely used method at present is froth flotation. The ore is crushed and ground to separate various minerals into monomer particles, and the particle size is made to meet the requirement of floatation process. Adding various flotation agents into the ore pulp after ore grinding, stirring and blending to enable the ore pulp to act with mineral particles so as to enlarge the floatability difference among different mineral particles. And (4) feeding the adjusted ore pulp into a flotation tank, and stirring and aerating. The ore particles in the ore pulp contact and collide with the air bubbles, the ore particles with good floatability are selectively adhered to the air bubbles and carried to rise to form a mineralized foam layer consisting of gas-liquid-solid three phases, and the mineralized foam layer is mechanically scraped or overflows from the surface of the ore pulp, dehydrated and dried to form an ore concentrate product.

The existing flotation ore feeding modes are single pipeline ore feeding, the ore pulp is not uniformly distributed, and the flotation effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a flotation column advances ore device, and it can make the better contact of ore pulp and bubble to avoid the ore pulp to block up.

The embodiment of the application is realized as follows:

the embodiment of the application provides an ore device is advanced to flotation column, it includes ore pulp pipeline, be equipped with annular limiting plate in the ore pulp pipeline, form annular ore outlet between the bottom of limiting plate and ore pulp pipeline's the inner wall, the inner wall of limiting plate upwards extends and forms the division board, the inboard formation flotation foam passageway of division board, form the ore deposit groove between ore pulp pipeline inner wall and the limiting plate, ore pulp pipeline's outer wall connection has at least one and the pipe that advances that the ore deposit groove communicates, be equipped with the dispersion devices that is used for the dispersion to advance the pipe and gives the ore deposit pulp in the ore deposit groove.

In some alternative embodiments, the dispersing means comprises a conical disperser arranged coaxially with the mineral feed pipe, the apex of the disperser being arranged opposite the mineral feed pipe.

In some alternative embodiments, the inner wall of the pulp conveying pipeline is connected with a fixing seat in a ] shape, and the bottom surface of the disperser is connected with the fixing seat.

In some optional embodiments, at least one fixing plate is arranged in the ore tank, and the fixing plate is respectively connected with the inner wall of the ore pulp conveying pipeline and the limiting plate.

In some optional embodiments, the slurry conveying pipeline comprises a cylindrical first section, a cylindrical second section, a hollow truncated cone-shaped third section and a cylindrical fourth section which are connected in sequence from top to bottom, the diameter of the second section is larger than that of the first section and that of the fourth section, and the limiting plate is arranged in the second section.

In some optional embodiments, the two ends of the slurry conveying pipeline are respectively provided with a connecting flange.

In some optional embodiments, the cross section of the limiting plate is a hollow truncated cone, and the distance between the top of the limiting plate and the inner wall of the pulp conveying pipeline is greater than the distance between the bottom of the limiting plate and the inner wall of the pulp conveying pipeline.

The beneficial effect of this application is: the utility model provides a flotation column advances ore device includes ore pulp pipeline, be equipped with annular limiting plate in the ore pulp pipeline, form annular ore outlet between the bottom of limiting plate and ore pulp pipeline's the inner wall, the inner wall of limiting plate upwards extends and forms the division board, the inboard formation flotation foam passageway of division board, ore pulp pipeline inner wall, form the ore deposit groove between limiting plate and the division board, ore pulp pipeline's outer wall connection has at least one and the pipe that advances that the ore deposit groove communicates, be equipped with the dispersion devices that is used for the dispersion to advance the pipe and gives the ore pulp into in the ore deposit groove. The flotation column ore feeding device provided by the embodiment changes the ore feeding mode into the mode of uniformly feeding the ore into the column body along the pipe wall, so that the impact force of the ore pulp is reduced, the speed is slow, the ore pulp can be better contacted with bubbles, and the flotation effect is improved; in addition, advance the in-process and utilize the ore deposit groove to carry out the transition of ore pulp, and the opening of ore discharge mouth is great, can effectually avoid giving the jam problem of ore pulp in-process, and this flotation column advances ore device simple structure at last, and it is convenient to dismantle, and the washing of being convenient for, maintenance and repair go on.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a first view angle of a flotation column feeding device provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a second view angle of the flotation column feeding device provided by the embodiment of the application;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic structural diagram of a third view angle of the flotation column feeding device provided in the embodiment of the present application.

In the figure: 100. a pulp delivery conduit; 101. a flotation froth channel; 102. an ore outlet; 103. a first section; 104. a second section; 105. a third section; 106. a fourth section; 110. a limiting plate; 120. a separator plate; 130. ore tanks; 140. an ore inlet pipe; 150. a disperser; 160. a fixed seat; 170. a fixing plate; 180. and connecting the flanges.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, 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 or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being 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 application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The characteristics and performance of the flotation column feed apparatus of the present application are described in further detail below with reference to examples.

As shown in fig. 1, 2, 3 and 4, the present application provides a flotation column ore feeding device, which includes a slurry conveying pipe 100, where the slurry conveying pipe 100 includes a cylindrical first section 103, a cylindrical second section 104, a hollow truncated cone-shaped third section 105 and a cylindrical fourth section 106, which are connected in sequence from top to bottom, a connecting flange 180 is respectively provided at the top of the first section 103 and the bottom of the fourth section 106 of the slurry conveying pipe 100, and the diameter of the second section 104 is greater than the diameters of the first section 103 and the fourth section 106.

Wherein, an annular limiting plate 110 is arranged in the ore pulp conveying pipeline 100, the limiting plate 110 is arranged in the second section 104, the cross section of the limiting plate 110 is in a hollow round table shape, the diameter of the top of the limiting plate 110 is smaller than that of the bottom, an annular ore outlet 102 is formed between the bottom of the limiting plate 110 and the inner wall of the ore pulp conveying pipeline 100, the inner wall of the limiting plate 110 extends upwards to form a separation plate 120, a flotation foam channel 101 is formed at the inner side of the separation plate 120, an ore groove 130 is formed between the inner wall of the ore pulp conveying pipeline 100 and the limiting plate 110, the outer wall of the ore pulp conveying pipeline 100 is connected with two ore inlet pipes 140 communicated with the ore groove 130, the inner wall of the ore pulp conveying pipeline 100 is connected with a ] -shaped fixed seat 160 corresponding to the ore inlet pipes 140, a dispersing device corresponding to the ore inlet pipes 140 and used for dispersing the ore pulp fed by the ore inlet pipes 140 is arranged in the, the top point of the disperser 150 is arranged opposite to the corresponding ore inlet pipe 140, the bottom surface of the disperser 150 is connected with the corresponding fixed seat 160, two fixed plates 170 are arranged in the ore tank 130, and each fixed plate 170 is respectively connected with the inner wall of the ore pulp conveying pipeline 100 and the limiting plate 110.

In the operation of the flotation column ore feeding device provided by the embodiment of the application, the slurry uniformly mixed with the flotation reagent is respectively conveyed into the slurry conveying pipeline 100 through the two ore feeding pipes 140 by using the booster pump, so that the slurry enters into the ore tank 130 formed between the slurry conveying pipeline 100 and the limiting plate 110 and the isolating plate 120, meanwhile, when the ore pulp enters the ore tank 130, the ore pulp is dispersed by the dispersing device, the ore pulp discharged from the ore inlet pipe 140 is dispersed into the ore tank 130 through the top of the conical disperser 150 arranged opposite to the ore inlet pipe 140, the ore pulp is ensured to flow downwards along the inner wall of the ore pulp conveying pipeline 100 in an annular shape, and collides with the bubbles floating upward in the ore pulp conveying pipeline 100 to form mineralized foam floating, therefore, the target minerals with good flotability float upwards for separation, and the gangue minerals with poor flotability sink and fall through the annular ore outlet 102 between the bottom of the limiting plate 110 and the inner wall of the ore pulp conveying pipeline 100 for discharge.

Wherein, the connecting flanges 180 respectively arranged at the top and the bottom of the ore pulp conveying pipeline 100 can be connected with other parts of the flotation column so as to facilitate the flotation operation and avoid the leakage of ore pulp and air bubbles; the ore pulp conveying pipeline 100 consists of a first section 103, a second section 104, a hollow circular truncated cone-shaped third section 105 and a fourth section 106 which are sequentially connected from top to bottom, so that bubbles floating upwards from the lower part can enter the third section 105 and the second section 104 to be fully and uniformly mixed with ore pulp, then float upwards to the top of the second section 104, further float upwards after passing through the first section 103, are collected and separated, and ensure full collision of the ore pulp and the bubbles and promote formation of mineralized particles; the fixing seat 160 connected to the inner wall of the ore slurry conveying pipeline 100 can stably fix the conical disperser 150, and the top of the disperser 150 is coaxially and oppositely arranged with the corresponding ore feeding pipe 140, so that the ore slurry fed into the ore tank 130 by the ore feeding pipe 140 is dispersed so as to be fully mixed and adsorbed with air bubbles.

The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Claims

1. The utility model provides a flotation column advances ore device, its characterized in that, it includes ore pulp pipeline, be equipped with annular limiting plate in the ore pulp pipeline, the bottom of limiting plate with form annular ore outlet between ore pulp pipeline's the inner wall, the inner wall of limiting plate upwards extends and forms the division board, the inboard formation flotation foam passageway of division board, ore pulp pipeline inner wall with form the ore deposit groove between the limiting plate, ore pulp pipeline's outer wall connection have at least one with the ore deposit pipe of ore deposit groove intercommunication, be equipped with in the ore deposit groove and be used for the dispersion devices of ore deposit pipe feeding ore pulp.

2. The flotation column feed apparatus of claim 1, wherein the dispersion device comprises a conical disperser arranged coaxially with the feed tube, the apex of the disperser being disposed opposite the feed tube.

3. The flotation column ore feeding device according to claim 2, wherein the inner wall of the pulp conveying pipeline is connected with a fixing seat in a shape of a rectangle, and the bottom surface of the disperser is connected with the fixing seat.

4. The flotation column ore feeding device according to claim 1, wherein at least one fixed plate is arranged in the ore tank, and the fixed plates are respectively connected with the inner wall of the ore pulp conveying pipeline and the limiting plate.

5. The flotation column ore feeding device according to claim 1, wherein the ore pulp conveying pipeline comprises a first cylindrical section, a second cylindrical section, a third hollow truncated cone-shaped section and a fourth cylindrical section which are sequentially connected from top to bottom, the diameter of the second section is larger than that of the first section and that of the fourth section, and the limiting plate is arranged in the second section.

6. The flotation column ore feeding device according to claim 1, wherein the slurry conveying pipeline is provided with connecting flanges at two ends respectively.

7. The flotation column ore feeding device according to claim 1, wherein the cross section of the limiting plate is a hollow truncated cone, and the distance between the top of the limiting plate and the inner wall of the ore pulp conveying pipeline is greater than the distance between the bottom of the limiting plate and the inner wall of the ore pulp conveying pipeline.