CN212425826U

CN212425826U - Coal slime concentration device

Info

Publication number: CN212425826U
Application number: CN202020365541.5U
Authority: CN
Inventors: 亓传玉
Original assignee: Shandong Daqiao Development Co ltd
Current assignee: Shandong Daqiao Development Co ltd
Priority date: 2020-03-21
Filing date: 2020-03-21
Publication date: 2021-01-29
Anticipated expiration: 2030-03-21

Abstract

The utility model provides a coal slime enrichment facility, relate to coal material processing apparatus technical field, including the main section of thick bamboo, coaxial rotation installs a net section of thick bamboo in the main section of thick bamboo, the rigid coupling has the fixed plate in the main section of thick bamboo, the fixed plate seals the lower port of a net section of thick bamboo, still vertical rotation installs the catheter in the net section of thick bamboo, the lower tip rigid coupling of catheter has the shunt, the upper end of catheter extends to the top of main section of thick bamboo and has inserted the feed liquor pipe, the lower port rigid coupling of main section of thick bamboo has the bottom plate, the drain hole has been seted up on the fixed plate, it has a storage section of thick bamboo still to go back vertical rigid coupling on the bottom plate, the last port rigid. The utility model solves the problems that the separation part is easy to be blocked by particles and needs to be cleaned regularly along with the use in the traditional technology; because the exchange speed of coal slime and separator part is slow for need prolong the exchange time, and utilize the container to collect coal slime and particulate matter respectively, increased the problem of equipment volume.

Description

Coal slime concentration device

Technical Field

The utility model relates to an apparatus technical field is handled to the coal charge, concretely relates to coal slime enrichment facility.

Background

More than 95% of coal preparation plants in China are wet coal preparation plants, water is the most important working medium in the wet coal preparation plants, the water consumption per ton of raw coal reaches 2-4 m3, water serving as the working medium is polluted by fine solid in the raw coal in the washing and selecting process to form coal slime, the coal slime needs to be reused after being purified in order to reduce the water consumption of the coal preparation plants and realize clean production and zero waste water discharge of the coal preparation plants, and concentrate enters subsequent solid-liquid separation operation.

The concentrating equipment currently applied in coal preparation plants mainly comprises a rake concentrator and an inclined tube concentrator. Wherein: the rake thickener can settle freely under the action of gravity by means of the weight of solid particles, and the slurry has fine solid particle size and low settling speed, so that the equipment has large volume, large floor area, maximum size diameter up to or over 100m, high equipment price, reinforced concrete structure for tank, long construction period, especially in cold area, and no normal construction in winter, and thus the construction period of the whole coal preparation plant is increased. The inclined tube thickener is based on the shallow layer sedimentation theory, adopts a thin-wall porous inclined square hole tube, has large equivalent area and short sedimentation distance of coal slime, has treatment capacity of 3.6-5.0 m3/m 2. h, but has imperfect structure, and the thin-wall porous inclined square hole tube and the bottom of a tank body are easy to block; the tank body is large in size, adopts a reinforced concrete structure, and is high in construction difficulty and long in construction period.

The patent with the application number of 201210099179.1 is disclosed by the intellectual property office of China to solve the problems, and comprises a settling main body filled with coal slime, a feeding device and a clear liquid collecting tank positioned on the outer side of the periphery of the top of the settling main body, wherein the settling main body is a cylindrical cone of a steel structure, and the cone angle of the cone is 45-65 degrees; the feeding device is arranged at the central position of the upper part of the sedimentation main body and comprises a main body, a feeding pipe and a discharging pipe; the feeding pipe is arranged in the middle of the side wall of the main body; the upper part of the discharge pipe is arranged in the main body, the top of the discharge pipe is connected with the bottom end of a lead screw penetrating through the main body, and a hand wheel is sleeved on the upper part of the lead screw arranged outside the main body; the lower end of the discharge pipe is arranged 2-3m below the central liquid level of the coal slime of the settling main body. The coal slime thickener disclosed by the scheme adopts a steel structure sedimentation main body, and the structural parameters are easy to ensure; the smoothness of the inner wall is good, the cone angle of the cone can be increased, and the total height of the thickener is reduced; the construction progress is fast, and the construction period is shortened; in cold areas in the north, construction is not affected by cold weather; the equipment cost is low.

However, when the device is used along with production, the following problems often occur;

first, wherein this type of device is when concentrating the coal slime, must separate the bold particulate matter in the coal slime earlier, along with using, the particulate matter easily blocks up separator parts for need regularly wash separator parts, still reduce concentration efficiency when having increased the labour.

Secondly, when the coal slime passes through the separator part and separates the particulate matter, because its exchange rate with the separator part is slow for need prolong the exchange time, reduced separation efficiency.

Thirdly, the device also needs an independent container for collecting the coal slime and the particulate matters, so that the two containers occupy large space, the volume of the device is increased, and the spatial layout is influenced.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a coal slime concentration device, which is used for solving the problems that the separation part is easy to be blocked by particles and needs to be cleaned regularly along with the use in the traditional technology; because the exchange speed of coal slime and separator part is slow for need prolong the exchange time, and utilize the container to collect coal slime and particulate matter respectively, increased the problem of equipment volume.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a coal slime enrichment facility, includes the main section of thick bamboo, coaxial rotation installs a net section of thick bamboo in the main section of thick bamboo, the rigid coupling has the fixed plate in the main section of thick bamboo, the fixed plate seals the lower port of a net section of thick bamboo, still vertical rotation installs the catheter in the net section of thick bamboo, the lower tip rigid coupling of catheter has the shunt, the upper end of catheter extends to the top of main section of thick bamboo and has inserted the feed liquor pipe, the lower port rigid coupling of a main section of thick bamboo has the bottom plate, the drain hole has been seted up on the fixed plate, it has a storage section of thick bamboo still to go back vertical rigid coupling on the bottom plate, the upper port rigid coupling of a storage section of thick bamboo in the drain hole, and.

As an improved scheme, the flow divider comprises an arc-shaped tray, the concave surface of the arc-shaped tray is positioned above and fixedly connected to the lower port of the liquid guide pipe, liquid distribution plates are uniformly distributed on the upper surface of the arc-shaped tray along the peripheral wall of the liquid guide pipe, and liquid outlets are formed in the parts, positioned between the adjacent liquid distribution plates, of the liquid guide pipe.

As an improved scheme, scraping plates which are in friction with the inner wall of the net cylinder are evenly distributed in the net cylinder, and the lower end parts of the scraping plates are fixedly connected to the upper surface of the fixing plate.

As an improved scheme, the liquid separation plate comprises an arc-shaped plate and is arranged in a rotating mode along the outward convex direction of the arc-shaped plate.

As an improved scheme, an upper end plate is fixedly connected with an upper port of the net cylinder, an upper top plate is fixedly connected with an upper port of the main cylinder, a rotating cylinder is fixedly connected onto the upper end plate, and the rotating cylinder is rotatably arranged on the upper top plate.

As an improved scheme, a first driving motor is fixedly connected to the upper surface of the upper top plate, and the upper end of the rotating cylinder extends to the upper side of the upper top plate and is fixedly connected with a first gear meshed with the output end of the first driving motor.

As an improved scheme, the upper surface of the upper top plate is further fixedly connected with a second driving motor through a support frame, the liquid guide pipe is sleeved inside the rotating cylinder, the upper end of the liquid guide pipe extends to the upper part of the rotating cylinder, and a second gear meshed with the output end of the second driving motor is fixedly connected to the upper surface of the upper top plate.

As an improved scheme, the part, located at the lower port of the material storage cylinder, of the bottom plate is concave, and a material discharge cylinder communicated with the interior of the material storage cylinder is fixedly connected with the bottom plate.

As an improved scheme, a liquid discharging barrel communicated with the liquid storage area is further fixedly connected to the position, close to the barrel wall of the bottom plate, of the main barrel.

Compared with the prior art, the beneficial effects of the utility model are that:

the inner wall of the net cylinder is scraped through the scraping plate, so that the particles are timely scraped, the separation efficiency of the net cylinder is ensured, parts of the net cylinder do not need to be disassembled for cleaning, and the labor intensity is reduced; the coal slime flowing out is broken through the rotating flow divider, so that the coal slime quickly passes through the filter screen, a certain acting force is applied to the coal slime, the exchange speed between the coal slime and the screen cylinder is increased, the separation efficiency is further improved, and the exchange time is shortened; the coal slime liquid passes through the net barrel and then enters the liquid storage area through the inner wall of the main barrel to be collected, wherein the collecting containers of the two materials are both positioned in the main barrel, so that the occupation of space caused by independent parallel arrangement of the main barrels in the traditional technology is reduced; the volume of the equipment is reduced; the working efficiency is improved; the parts are few, the working procedure is simple and convenient, and the failure rate is low; the structure is simple, and the service life is long; simple and convenient operation and control, easy large-scale manufacture and installation and wide application range.

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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

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

in the figure: 1-a main cylinder; 2-a mesh drum; 3-a catheter; 4-a liquid outlet; 5-an arc tray; 6-liquid separation plate; 7-upper end plate; 8-upper top plate; 9-a first drive motor; 10-a second drive motor; 11-a first gear; 12-a second gear; 13-rotating the drum; 14-a support frame; 15-liquid inlet pipe; 16-a fixed plate; 17-a material leakage port; 18-a storage cylinder; 19-a base plate; 20-discharging cylinder; 21-a liquid discharge cylinder; 22-support legs; 23-reservoir zone.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1, the coal slurry concentration device includes a main cylinder 1, a net cylinder 2 is coaxially rotatably installed in the main cylinder 1, a fixing plate 16 is fixedly connected in the main cylinder 1, the fixing plate 16 seals a lower port of the net cylinder 2, a liquid guide tube 3 is vertically rotatably installed in the net cylinder 2, a flow divider is fixedly connected to a lower end portion of the liquid guide tube 3, a liquid inlet pipe 15 is inserted into an upper end portion of the liquid guide tube 3, a bottom plate 19 is fixedly connected to a lower port of the main cylinder 1, a material leakage port 17 is formed in the fixing plate 16, a material storage cylinder 18 is vertically fixedly connected to the bottom plate 19, an upper port of the material storage cylinder 18 is fixedly connected to the material leakage port 17, and a liquid storage area 23 is formed between the material storage cylinder 18 and the main cylinder.

The shunt includes arc tray 5, and the concave surface of arc tray 5 is in the top and the lower port of rigid coupling in catheter 3, and the upper surface of arc tray 5 still has the liquid distribution board 6 along the perisporium equipartition of honeycomb duct, and catheter 3 is in the part between the adjacent liquid distribution board 6 and has seted up liquid outlet 4.

Scraping plates which are in friction with the inner wall of the net cylinder 2 are evenly distributed in the net cylinder, and the lower end parts of the scraping plates are fixedly connected to the upper surface of the fixed plate 16.

The liquid separating plate 6 comprises an arc-shaped plate and is arranged in a rotating mode along the outward convex direction of the arc-shaped plate.

An upper end plate 7 is fixedly connected with an upper end opening of the net barrel 2, an upper top plate 8 is fixedly connected with an upper end opening of the main barrel 1, and a rotating barrel 13 is fixedly connected with the upper end plate 7 and is rotatably arranged on the upper top plate 8 through the rotating barrel 13.

The upper surface of the upper top plate 8 is fixedly connected with a first driving motor 9, and the upper end part of the rotating cylinder 13 extends to the upper part of the upper top plate 8 and is fixedly connected with a first gear 11 which is meshed with the output end of the first driving motor 9.

The upper surface of the upper top plate 8 is further fixedly connected with a second driving motor 10 through a support frame 14, the liquid guide tube 3 is sleeved inside the rotating cylinder 13, and the upper end part of the liquid guide tube extends to the upper part of the rotating cylinder 13 and is fixedly connected with a second gear 12 which is meshed with the output end of the second driving motor 10.

The bottom plate 19 is arranged in a concave manner at the lower port part of the material storage cylinder 18 and is fixedly connected with a material discharge cylinder 20 communicated with the interior of the material storage cylinder.

A liquid discharge cylinder 21 communicated with a liquid storage area 23 is also fixedly connected to the position of the main cylinder 1 close to the cylinder wall of the bottom plate 19.

The lower surface of the bottom plate 19 is also fixedly connected with a supporting leg 22.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a coal slime enrichment facility which characterized in that: comprises a main cylinder (1), a net cylinder (2) is coaxially and rotatably arranged in the main cylinder (1), a fixing plate (16) is fixedly connected in the main cylinder (1), the fixing plate (16) seals the lower port of the net cylinder (2), a liquid guide pipe (3) is vertically and rotatably arranged in the net barrel (2), a flow divider is fixedly connected with the lower end part of the liquid guide pipe (3), the upper end part of the liquid guide pipe (3) extends to the upper part of the main cylinder (1) and is inserted with a liquid inlet pipe (15), a bottom plate (19) is fixedly connected with the lower port of the main cylinder (1), a material leakage port (17) is arranged on the fixed plate (16), a material storage cylinder (18) is also vertically and fixedly connected on the bottom plate (19), the upper end opening of the material storage cylinder (18) is fixedly connected in the material leakage opening (17), and a liquid storage area (23) is formed between the storage cylinder (18) and the main cylinder (1).

2. The coal slurry concentrating device of claim 1, wherein: the flow divider comprises an arc-shaped tray (5), the concave surface of the arc-shaped tray (5) is located above and fixedly connected to the lower port of the liquid guide pipe (3), liquid distribution plates (6) are uniformly distributed on the upper surface of the arc-shaped tray (5) along the peripheral wall of the liquid guide pipe, and liquid outlets (4) are formed in the parts, located between the adjacent liquid distribution plates (6), of the liquid guide pipe (3).

3. The coal slurry concentrating device of claim 1, wherein: scraping plates which are in friction with the inner wall of the net cylinder (2) are evenly distributed in the net cylinder, and the lower end parts of the scraping plates are fixedly connected to the upper surface of the fixing plate (16).

4. The coal slurry concentrating device of claim 2, wherein: the liquid separating plate (6) comprises an arc-shaped plate and is rotationally arranged along the outward convex direction of the arc-shaped plate.

5. The coal slurry concentrating device of claim 1, wherein: the utility model discloses a net section of thick bamboo, including a main section of thick bamboo (1), the last port rigid coupling of net section of thick bamboo (2) has upper end plate (7), the last port rigid coupling of a main section of thick bamboo (1) has last roof (8), the rigid coupling has a rotation section of thick bamboo (13) on upper end plate (7), and passes through a rotation section of thick bamboo (13) rotate install in go up on roof (8).

6. The coal slurry concentrating device of claim 5, wherein: go up the upper surface rigid coupling of roof (8) and have first driving motor (9), the upper end of a rotating cylinder (13) extends to go up the top of roof (8) and rigid coupling have with the output end meshing of first driving motor (9) first gear (11).

7. The coal slurry concentrating device of claim 6, wherein: the upper surface of the upper top plate (8) is fixedly connected with a second driving motor (10) through a support frame (14), the liquid guide pipe (3) is sleeved inside the rotating cylinder (13), the upper end of the liquid guide pipe extends to the upper side of the rotating cylinder (13) and is fixedly connected with a second gear (12) meshed with the output end of the second driving motor (10).

8. The coal slurry concentrating device of claim 1, wherein: the bottom plate (19) is arranged at the lower port part of the storage cylinder (18) and is arranged in a concave manner, and a discharge cylinder (20) communicated with the interior of the storage cylinder is fixedly connected with the bottom plate.

9. The coal slurry concentrating device of claim 1, wherein: a liquid discharge cylinder (21) communicated with the liquid storage area (23) is further fixedly connected to the position, close to the cylinder wall of the bottom plate (19), of the main cylinder (1).