CN217830691U - Screening equipment for coal washing - Google Patents

Abstract

The utility model discloses a screening equipment for coal washing, belong to the screening equipment field, a screening equipment for coal washing, including the screening bucket, the input mouth has been seted up to the upper end of screening bucket, the inner top-down of screening bucket is equipped with the top layer filter plate respectively, the middle level filter plate, the bottom falls the board, the top layer filter plate, the hole that the aperture differs is all seted up to the upper end of middle level filter plate, set up the little and big sieving mechanism of coal that is convenient for shift of area, top-down is equipped with three screening board among the device, coal raw materials drops into to the screening bucket in from the input mouth, coal raw materials whereabouts in proper order at first through the top layer filter plate, great coal is stopped on the top layer filter plate, medium size coal falls to the middle level filter plate once more, tiny coal falls to the middle level filter plate again on, accomplish whole screening operation, do benefit to the machining efficiency of guarantee coal processing operation.

Description

Screening equipment for coal washing

Technical Field

The utility model relates to a screening equipment field, more specifically say, relate to a screening equipment for coal washing.

Background

Coal washing generally refers to a process for removing gangue or other impurities from coal. Coal washing is generally performed by utilizing the difference of physical properties between coal and gangue, the coal and the gangue (impurities) are separated in media with different densities or characteristics, and raw coal preparation of a coal preparation plant mainly comprises receiving, storing, crushing and screening of raw coal.

Present coal need sieve the not coal of equidimension before the washing operation, and the mode inefficiency of screening is picked in proper order to traditional assembly line, and assembly line screening area is wide, is unfavorable for nimble removal, is unfavorable for the machining efficiency of guarantee coal processing operation.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, an object of the utility model is to provide a screening equipment for coal washing selects, it can be through setting up the little and coal size screening plant who is convenient for the transfer of area, top-down is equipped with three screening board among the device, coal raw materials drops into to the screening bucket in from throwing in the mouth, coal raw materials whereabouts in proper order at first through the top layer filter plate, great coal is stopped on the top layer filter plate, medium size coal falls to the middle level filter plate once more, medium coal is stopped on the middle level filter plate, tiny coal is preserved on falling the board through middle level filter plate whereabouts to the bottom, accomplish whole screening operation, and in the whereabouts, the both ends of top layer filter plate and bottom falling board are equipped with the electromagnetic shaker respectively, electromagnetic shaker drive top layer filter plate and falling board rock from top to bottom in the spout, be favorable to assisting and improve coal whereabouts speed, improve coal screening efficiency, do benefit to guarantee coal processing operation's machining efficiency.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a screening equipment for coal washing selects, includes the screening bucket, the input has been seted up to the upper end of screening bucket, the inner top-down of screening bucket is equipped with top layer filter plate, middle level filter plate, bottom blanking respectively, the hole that the aperture differs is all seted up to the upper end of top layer filter plate, middle level filter plate, three groups of stoppers of inner wall top-down symmetry fixedly connected with of screening bucket, corresponding every group respectively with top layer filter plate, middle level filter plate, bottom blanking sliding connection between the stopper, upside and middle part the equal fixedly connected with electromagnetic shaker in the inner of stopper, two the output of electromagnetic shaker is connected with top layer filter plate, middle level filter plate respectively, sets up a small and convenient to the coal size screening plant who shifts of area, and top-down is equipped with three screening boards in the device, and the coal raw materials drops into to the screening bucket from the input from the top layer, and the coal raw materials whereabouts in proper order through the filter plate, and great on top layer filter plate is stopped on the top layer filter plate, and the medium size coal falls to the filter plate once more on the filter plate, and tiny coal falls to preserve through the middle level filter plate again, and the top layer filter plate, and the efficiency is favorable to the coal processing top layer, and the efficiency is rocked and the bottom layer that the coal falls, and the coal processing operation is favorable to the bottom layer that the efficiency is whole is fallen again, and is favorable to be favorable to the coal processing, and the coal processing efficiency of coal processing, and the coal operation is improved the bottom layer.

Furthermore, the limiting blocks are provided with sliding grooves at one ends close to the top layer filter plate, the middle layer filter plate and the bottom layer dropping plate, and the top layer filter plate, the middle layer filter plate and the bottom layer dropping plate form a sliding structure in the sliding grooves.

Further, the lower inner wall of the screening barrel is fixedly connected with a circulating water tank, and the circulating water tank is located below the bottom falling plate.

Further, the inner fixedly connected with water pump of circulating water tank, and the output fixedly connected with water pipe of water pump, the water pipe extends to the top of screening bucket.

Further, the last inner wall fixedly connected with high pressure nozzle of screening bucket, and high pressure nozzle's upper end and water pipe are linked together, and when not using the screening bucket, accessible circulating water tank is sprayed the cleaning solution to the screening bucket in by high pressure nozzle, is favorable to remaining cinder in the clean bucket, effectively improves the clean and tidy nature of screening bucket, and can clear away the cinder of card in each screening board, effectively avoids the condition that the screening board blockked up, does benefit to the life who improves the screening board.

Furthermore, the left end of the screening barrel is hinged with three baffles from top to bottom, the three baffles are respectively positioned on the left sides of the top layer filter plate, the middle layer filter plate and the bottom layer dropping plate, after all screening is finished, the baffles are opened, and the top layer filter plate, the middle layer filter plate and the bottom layer dropping plate which are designed in an inclined shape can automatically slide down to discharge the coal material, so that the manual material moving time is reduced, and the discharging efficiency is improved.

3. Advantageous effects

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

(1) The scheme provides a coal size screening device which occupies a small area and is convenient to transfer, three screening plates are arranged from top to bottom in the device, coal raw materials are thrown into a screening barrel from a throwing port, the coal raw materials sequentially fall and firstly pass through a top layer filter plate, larger coal is blocked on the top layer filter plate, the coal with the medium size falls onto a middle layer filter plate again, the medium coal is blocked on the middle layer filter plate, the small coal falls onto a bottom layer falling plate through the middle layer filter plate again to be stored, the whole screening operation is completed, in the falling process, two ends of the top layer filter plate and two ends of the bottom layer falling plate are respectively provided with a vibrator, the top layer filter plate and the bottom layer falling plate are driven by the vibrator to swing up and down in a sliding groove, the auxiliary improvement of the falling speed of the coal is facilitated, the coal screening efficiency is improved, and the processing efficiency of the coal processing operation is facilitated to be guaranteed.

(2) When not using the screening bucket, accessible circulating water tank sprays the cleaning solution to the screening bucket in by high pressure nozzle, is favorable to remaining cinder in the clean bucket, effectively improves the clean and tidy nature of screening bucket, and can clear away the cinder of card in each screening board hole, effectively avoids the condition that the screening board blockked up, does benefit to the life who improves the screening board.

(3) After all the screen separation is finished, the baffle is opened, and the top layer filter plate, the middle layer filter plate and the bottom layer falling plate which are designed in an inclined shape can automatically slide down to discharge the coal material, so that the manual material moving time is reduced, and the discharging efficiency is improved.

Drawings

Fig. 1 is a schematic view of a front view structure of the sieving barrel of the present invention;

FIG. 2 is a schematic view of the structure of the present invention showing the opened state of the baffle;

fig. 3 is a schematic view of the enlarged structure of a part a in fig. 1 according to the present invention;

fig. 4 is a schematic diagram of a partially enlarged structure at B in fig. 2 according to the present invention.

The numbering in the figures illustrates:

1. a screening barrel; 2. a throwing port; 4. a circulating water tank; 7. a water pipe; 8. a high pressure spray head; 9. a top layer filter plate; 10. a chute; 12. a limiting block; 13. a vibrator; 15. a baffle plate; 16. a middle layer filter plate; 17. And (6) dropping the bottom layer.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element 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 invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, a screening apparatus for coal washing includes a screening barrel 1, an inlet 2 is disposed at an upper end of the screening barrel 1, a top layer filter plate 9, a middle layer filter plate 16, and a bottom layer falling plate 17 are disposed at an inner end of the screening barrel 1 from top to bottom, holes with different apertures are disposed at upper ends of the top layer filter plate 9 and the middle layer filter plate 16, three sets of stoppers 12 are symmetrically and fixedly connected to an inner wall of the screening barrel 1 from top to bottom, each set of stoppers 12 is slidably connected to the top layer filter plate 9, the middle layer filter plate 16, and the bottom layer falling plate 17, and vibrators 13 are fixedly connected to inner ends of the stoppers 12 at upper and middle portions, the vibrators 13 are prior art and are not described in detail in this embodiment, and output ends of the two vibrators 13 are respectively connected to the top layer filter plate 9 and the middle layer filter plate 16.

Referring to fig. 1-4, a sliding groove 10 is formed at one end of a limiting block 12 close to a top layer filter plate 9, a middle layer filter plate 16 and a bottom layer falling plate 17, the top layer filter plate 9, the middle layer filter plate 16 and the bottom layer falling plate 17 form a sliding structure in the sliding groove 10, a circulating water tank 4 is fixedly connected to the lower inner wall of a screening barrel 1, the circulating water tank 4 is located below the bottom layer falling plate 17, a water pump with a model of QSB-3W is fixedly connected to the inner end of the circulating water tank 4, a water pipe 7 is fixedly connected to the output end of the water pump, the water pipe 7 extends to the upper portion of the screening barrel 1, a high-pressure nozzle 8 is fixedly connected to the upper inner wall of the screening barrel 1, the upper end of the high-pressure nozzle 8 is communicated with the water pipe 7, three baffles 15 are hinged to the left end of the screening barrel 1 from top to bottom, and the three baffles 15 are respectively located at the left sides of the top layer filter plate 9, the middle layer filter plate 16 and the bottom layer falling plate 17.

Referring to fig. 1-4, during coal screening, coal raw materials are firstly put into a screening barrel 1 from an input port 2, the coal raw materials sequentially fall to pass through a top layer filter plate 9, larger coal is blocked on the top layer filter plate 9, medium coal falls onto a middle layer filter plate 16 again, the medium coal is blocked on the middle layer filter plate 16, and small coal falls onto a bottom layer falling plate 17 through the middle layer filter plate 16 for storage, so that the whole screening operation is completed, and meanwhile, vibrators 13 are arranged at two ends of the top layer filter plate 9 and the bottom layer falling plate 17 respectively, the vibrators 13 drive the top layer filter plate 9 and the bottom layer falling plate 17 to swing up and down in a chute 10, so that the coal falling speed is improved, the screening efficiency is improved, the processing efficiency of the coal processing operation is ensured, after all screening is completed, a baffle 15 is opened, the inclined top layer filter plate 9, the middle layer filter plate 16 and the bottom layer falling plate 17 can automatically slide down to fall out of the coal, the time for manual material transfer is shortened, the discharging efficiency is increased, when the screening barrel 1 is not used, a high-pressure water tank 8 is used for feeding the coal to the cleaning agent, and the residual slag in the screening barrel is effectively prevented from being blocked, and the cleaning agent is effectively prevented from being used for cleaning the screening barrel, and the cleaning of the coal is effectively.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (6)

1. A screening equipment for coal washing, includes screening bucket (1), its characterized in that: the upper end of screening bucket (1) has been seted up and has been thrown into mouth (2), the inner top-down of screening bucket (1) is equipped with top layer filter plate (9), middle level filter plate (16), bottom falling plate (17) respectively, the hole that the aperture differs is all seted up to the upper end of top layer filter plate (9), middle level filter plate (16), the symmetrical fixedly connected with three stopper (12) of group of inner wall top-down of screening bucket (1), corresponding every group with top layer filter plate (9), middle level filter plate (16), bottom falling plate (17) sliding connection, upside and middle part respectively between stopper (12) the equal fixedly connected with electromagnetic shaker (13) in inner of stopper (12), two the output of electromagnetic shaker (13) is connected with top layer filter plate (9), middle level filter plate (16) respectively.

2. A screening apparatus for coal washing according to claim 1, wherein: the limiting block (12) is close to the top layer filter plate (9), the middle layer filter plate (16) and the bottom layer dropping plate (17), and one end of the limiting block (12) is provided with a sliding groove (10), and the top layer filter plate (9), the middle layer filter plate (16) and the bottom layer dropping plate (17) form a sliding structure in the sliding groove (10).

3. A screening apparatus for coal washing according to claim 1, wherein: the lower inner wall fixedly connected with circulation tank (4) of screening bucket (1), and circulation tank (4) are located bottom falling plate (17) below.

4. A screening apparatus for coal washing according to claim 3, wherein: the inner fixedly connected with water pump of circulating water tank (4), and the output fixedly connected with water pipe (7) of water pump, water pipe (7) extend to the top of screening bucket (1).

5. A screening apparatus for coal washing according to claim 4, wherein: the upper inner wall of the screening barrel (1) is fixedly connected with a high-pressure spray head (8), and the upper end of the high-pressure spray head (8) is communicated with a water pipe (7).

6. A screening apparatus for coal washing according to claim 1, wherein: the left end of the screening barrel (1) is hinged with three baffles (15) from top to bottom, and the three baffles (15) are respectively positioned on the left sides of the top layer filter plate (9), the middle layer filter plate (16) and the bottom layer falling plate (17).

Images