CN206229617U - A kind of ore preselects screening plant - Google Patents

Abstract

The utility model relates to the technical field of ore screening, in particular to an ore preselection and screening device, which includes a chute shell, a discharge port, a discharge port, a first shell support, a second shell support, a screen, a second A spring, a second spring, a spring support, and a base; the horizontal section of the base is rectangular, and the top of the base is inclined downward toward the left end; the chute housing includes a hollow cuboid left vertical part, and a flat The right inclined part of the hollow cuboid, the top surface opening of the left vertical part of the chute housing, the top opening of the left vertical part of the chute housing is the discharge port, the right inclined part of the chute housing and the chute housing The bottom of the vertical part on the left side is penetrated and integrally connected. The utility model can pre-select and screen the materials with qualified particle size in the raw ore before the subsequent crushing and grinding process of the ore, greatly reducing the workload of the subsequent crushing and grinding process and reducing the energy consumption of the subsequent crushing and grinding process.

Description

A kind of ore pre-selection and screening device

【Technical field】

The utility model relates to the technical field of ore screening, in particular to an ore preselection and screening device.

【Background technique】

Ore screening is an important production process in the mining industry. For some ores, there are often many crushed stone particles after they are mined. A small part or a large part of these crushed stone particles meet the production needs. particle size, and no additional crushing or grinding process is required. For example, the raw material coal gangue in the coal-fired boiler of the thermal power plant has uneven particle size in the coal from the coal mine, but most of the material particle size is qualified. Particle size does not need repeated crushing. This part of the material generally accounts for about 35-75% of the entire material. If these materials that meet the particle size requirements can be pre-selected and screened out before the crushing and grinding process, the subsequent crushing and grinding will be greatly reduced. The workload of the process can also reduce the energy consumption of the subsequent crushing and grinding process, and can speed up the production progress.

【Content of utility model】

The technical problem to be solved by the utility model is to provide an ore pre-selection and screening device, which can pre-select and screen the materials with qualified particle size in the raw ore before the subsequent crushing and grinding process of the ore, and greatly reduce the work of the subsequent crushing and grinding process. It can also reduce the energy consumption of the subsequent crushing and grinding process, thereby speeding up the production progress. The structure is simple and the practicability is strong.

In order to achieve the above purpose, the technical solution provided by the utility model is: an ore pre-selection and screening device, which is characterized in that it includes a chute shell, a discharge port, a discharge port, a first shell support, a second shell support , screen, first spring, second spring, spring bracket, base; the horizontal section of the base is rectangular, and the top of the base is inclined downward toward the left end; the chute housing includes a hollow cuboid-shaped left vertical part, and the inclined part on the right side of the flat hollow cuboid, the top surface opening of the vertical part on the left side of the chute shell, the top opening of the vertical part on the left side of the chute shell is the discharge port, and the right side of the chute shell is inclined Part of the bottom of the left vertical part of the chute shell is penetrated and integrally connected. The right inclined part of the chute shell is inclined downward to the right end, and the inclined direction of the right inclined part of the chute shell is opposite to that of the top surface of the base. On the bottom surface of the sloping part on the right side of the chute shell, there is a rectangular discharge opening through the hollow area in the sloping part on the right side of the chute shell along the edge of the bottom surface. Both ends are closed, and the two ends of the left edge of the inclined part of the chute shell are respectively fixed and supported on the top surface of the base by two first shell supports. The bottom end of the body bracket is fixedly connected with the left edge of the top surface of the base, and the two ends of the right edge of the inclined part of the chute shell are respectively fixed and supported on the top surface of the base by two second shell brackets. It is in the shape of a slender vertical cylinder, the bottom ends of the two second shell supports are fixedly connected with the right edge of the top surface of the base, and the chute shell is elevated by two first shell supports and two second shell supports It is fixed on the inclined top surface of the base, and the top surface of the base is close to and located on the right side of the two first housing supports. A spring support is respectively provided, and the two spring supports are elongated vertical cylinders. The bottom ends of the spring brackets are fixedly connected with the inclined top surface of the base, and the tops of the two spring brackets are respectively provided with a vertical first spring, and the bottom ends of the two first springs are respectively fixed with the tops of the two spring brackets. Connected, the top surface of the base is close to and located on the left side of the two second shell brackets, each with a second spring, the bottom ends of the two second springs are fixedly connected with the inclined top surface of the base, the first spring and the The second springs are all helical springs, and are made of carbon steel; the screen is rectangular, and the screen is made of stainless steel, and there are several circles on the top of the screen that penetrate to the bottom of the screen. The through holes cover the entire top surface of the screen, the screen is located directly below the inclined part of the chute shell, the screen is inclined downward to the right end, and the screen is parallel to the bottom surface of the inclined part on the right side of the chute shell. The rectangular area of the top surface of the screen is larger than the area of the discharge opening of the inclined part on the right side of the chute shell. The two corner positions on the right side of the bottom surface are respectively fixedly connected with the tops of the two second springs, and the screen is fixed and overhead above the top surface of the base by the two first springs and the two second springs.

The beneficial effects of the utility model are: the utility model can pre-select and screen the materials with qualified particle size in the raw ore before the subsequent crushing and grinding process of the ore, greatly reducing the workload of the subsequent crushing and grinding process, and can also reduce the subsequent crushing and grinding process. The energy consumption of the process is reduced, and the production progress is accelerated, the structure is simple, and the practicability is strong.

【Description of drawings】

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a front structural schematic diagram of the utility model.

FIG. 2 is a schematic diagram of the cross-sectional structure along line A-A of FIG. 1 .

FIG. 3 is a schematic diagram of the cross-sectional structure along B-B of FIG. 1 .

Among them, 1-chute shell, 101-discharging port, 2-discharging port, 3-first shell support, 4-second shell support, 5-screen, 6-first spring, 7-first Two springs, 8-spring support, 9-base.

【detailed description】

In the example shown in the accompanying drawings, as shown in Figure 1, Figure 2, and Figure 3, an ore pre-selection and screening device is characterized in that it includes a chute housing, a discharge port, a discharge port, a first housing Bracket, second shell bracket, screen, first spring, second spring, spring bracket, base; the horizontal section of the base is rectangular, and the top of the base is inclined downward to the left end; the chute housing includes a hollow The left vertical part of the cuboid shape, and the right inclined part of the flat hollow cuboid, the top surface opening of the left vertical part of the chute shell, the top surface opening of the left vertical part of the chute shell is the discharge port, The right inclined part of the chute housing is connected to the bottom of the left vertical part of the chute housing through and integrated, the right inclined part of the chute housing is inclined downward to the right end, and the inclined direction of the right inclined part of the chute housing The direction of inclination of the top surface of the base is opposite. On the bottom surface of the inclined part on the right side of the chute shell, there is a rectangular discharge opening through the hollow area in the inclined part on the right side of the chute shell along the edge of the bottom surface. Except for the discharge opening and The other surfaces outside the opening of the discharge port are closed, and the two ends of the left edge of the inclined part of the chute shell are respectively fixed and supported on the top surface of the base by two first shell brackets. The first shell brackets are elongated vertical cylinders shape, the bottom ends of the two first shell brackets are fixedly connected to the left edge of the top surface of the base, and the two ends of the right edge of the inclined part of the chute shell are respectively fixed and supported on the top surface of the base by two second shell brackets. Above, the second housing support is in the shape of a slender vertical cylinder, the bottom ends of the two second housing supports are fixedly connected with the right edge of the top surface of the base, and the chute housing passes through the two first housing supports and the two The second shell support is overhead fixed on the inclined top surface of the base, and the top surface of the base is close to and located on the right side of the two first shell supports. A spring support is respectively provided. The two spring supports are elongated. Vertical cylindrical shape, the bottom ends of the two spring supports are fixedly connected with the inclined top surface of the base, the tops of the two spring supports are respectively provided with a vertical first spring, and the bottom ends of the two first springs are respectively connected with the The tops of the two spring brackets are fixedly connected, and the top surface of the base is close to and located on the left side of the two second housing brackets. A second spring is respectively provided. The bottom ends of the two second springs are respectively connected to the inclined top surface of the base. Fixedly connected, the first spring and the second spring are coil springs, both made of carbon steel; the screen is rectangular, the screen is made of stainless steel, and there are several through holes on the top surface of the screen. To the circular through-hole on the bottom surface of the screen, the through-hole covers the entire top surface of the screen, the screen is located directly below the inclined part of the chute shell, the screen is inclined downward to the right end, and the screen and the right side of the chute shell The bottom surface of the inclined part is parallel, the rectangular area of the top surface of the screen is greater than the area of the discharge opening of the inclined part on the right side of the chute shell, and the bottom surface of the screen is located at two corners on the left side of the screen respectively connected with the two first springs. The top is fixedly connected, and the bottom surface of the screen is fixedly connected to the top of the two second springs at the two corners on the right side of the screen. The screen is fixed on the base by two first springs and two second springs. above the top surface.

When using the utility model, for the mined raw ore, before the subsequent crushing and grinding process of the ore, the operator can first put the raw ore into the chute casing from the discharge port on the top surface of the vertical part on the left side of the chute casing, The input raw ore will fall into the sieve below the chute shell, and the material with qualified particle size in the raw ore will penetrate through the through hole in the sieve and fall onto the top surface of the base below the sieve, and the particle size ratio of the raw ore is qualified Materials with large particle size will slide from the right end of the screen to the ground outside the right end of the base along the inclined direction of the screen, and materials with qualified particle size will slide down to the base along the inclined direction of the top surface of the base after falling on the top surface of the base On the ground outside the left end, the materials with qualified particle size in the raw ore are pre-selected and screened out first, and the material with unqualified particle size in the raw ore is then subjected to subsequent crushing and grinding processes to greatly reduce the workload of the subsequent crushing and grinding process. It also reduces the energy consumption of the subsequent crushing and grinding process and speeds up the production progress. Since the bottom of the screen is supported by two first springs and two second springs, the raw ore is put in from the discharge port, and the impact screen In the process of sliding on the screen, the upper and lower sides of the screen will vibrate continuously, so that the ore with qualified particle size mixed in the gap between the ore with larger particle size will be thrown to the outside, and will be smoothly screened and dropped to the bottom of the screen. , to improve the effect of pre-selection and screening. In addition, operators can replace screens with different through-hole apertures according to the qualified particle sizes required for the production of different types of raw ores, so as to meet the pre-selection and screening of different types of raw ores. Simple and practical.

Claims (1)

1. a kind of ore preselects screening plant, it is characterised in that it includes chute housing, discharge port, drain hole, the first housing branch Frame, the second shell holder, screen cloth, the first spring, second spring, spring support, base；The horizontal cross-section of the base is rectangular Shape, the top surface of base is to left end inclined downward；The chute housing includes the left side vertical part in hollow rectangular-shape, and In the right side sloping portion of flat hollow cuboid, the top surface opening of chute housing left side vertical part, chute housing left side is perpendicular The top surface opening of straight part is drain hole, and the right side sloping portion of chute housing is passed through with the left side vertical section bottom of chute housing Logical and integration is connected, and to right-hand member inclined downward, the right side sloping portion of chute housing inclines the right side sloping portion of chute housing Oblique direction is inclined with base top surface in opposite direction, is opened up along its bottom edge on the bottom surface of chute housing right side sloping portion There is the rectangle discharge port of hollow area in insertion to chute housing right side sloping portion, chute housing is opened except drain hole and discharge port Other faces are closed outside mouthful, and branch is fixed in the left side edge two ends of chute housing sloping portion by two first shell holders respectively On the top surface of base, the first shell holder is in elongated vertical cylinder shape, two bottoms of the first shell holder and base top for support The left side edge in face is fixedly linked, and the right side edge two ends of chute housing sloping portion are consolidated by two second shell holders respectively Surely it is supported on the top surface of base, the second shell holder is in elongated vertical cylinder shape, two bottoms and bottom of the second shell holder The right side edge of seat top surface is fixedly connected, and chute housing is maked somebody a mere figurehead by two first shell holders and two second shell holders It is fixed in the sloped top face of base, is close on the top surface of base and is respectively provided with one on the right side of two first shell holders Spring support, two spring supports are in elongated vertical cylinder shape, two bottoms of spring support with the inclination top of base Face is fixedly linked, and two tops of spring support are respectively provided with a first vertical spring, two bottoms of the first spring point Top not with two spring supports is fixedly linked, and is close to and each positioned at the left side of two second shell holders on the top surface of base A second spring is provided with, two bottoms of second spring are fixedly linked with the sloped top face of base respectively, the first spring and Two springs are helical spring, are made by carbon steel；The rectangular shape of screen cloth, screen cloth is made up of stainless steel, Circular through hole of several insertions to screen cloth bottom surface is offered on screen cloth top surface, through hole is covered with the top surface of whole screen cloth, Screen cloth is located at the underface of chute housing sloping portion, and screen cloth is inclined to right-hand member inclined downward, and screen cloth with chute housing right side Partial bottom surface is parallel, the area of the rectangular area more than chute housing right side sloping portion discharge port of screen cloth top surface, screen cloth It is located at the top at its two corner location in left side respectively with two first springs on bottom surface to be fixedly linked, the bottom surface of screen cloth is upper Top respectively with two second springs at its two corner location in right side is fixedly linked, and screen cloth is by two first springs and two Root second spring fixes the top face maked somebody a mere figurehead in base.