CN218981855U

CN218981855U - Stone crushing and dust removing system

Info

Publication number: CN218981855U
Application number: CN202223530468.0U
Authority: CN
Inventors: 张海鹏; 杨甜; 王围伟
Original assignee: Jingmen Defeng Building Materials Co ltd
Current assignee: Jingmen Defeng Building Materials Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-09
Anticipated expiration: 2032-12-29

Abstract

The stone crushing and dust removing system comprises a feeding hopper (1), a first crusher (2), a second crusher (3), a vibrating screen (4) and a dust remover (5), wherein a discharge port of the feeding hopper (1) is provided with a vibrating feeder (6) communicated with a feed port of the first crusher (2), the discharge port of the first crusher (2) is communicated with the feed port of the second crusher (3) through a belt conveyor, and the discharge port of the second crusher (3) is communicated with the feed port of the vibrating screen (4) through the belt conveyor; the utility model has the advantages that: the dust hood is arranged at the inlet and the outlet of the stone crushing and screening, so that dust dissipation is effectively reduced, dust dissipation is pressed through spraying on the discharge port of the second crusher and the discharge port of the vibrating screen, a layer of water mist can be covered on the surface of the stone, dust emission can be reduced when the stone is screened and piled up, and the working environment is protected.

Description

Stone crushing and dust removing system

Technical Field

The utility model relates to the technical field of stone processing, in particular to a stone crushing and dust removing system.

Background

At present, stone production is mostly obtained through crushing and screening, and a large amount of dust is generated when crushing and screening are carried out, so that dust removal work is needed to be carried out on each link when production is carried out, but effective sealing cannot be carried out in a feeding and screening working section, and a large amount of dust is still dissipated, so that the environment and the health of workers are influenced.

Disclosure of Invention

The utility model aims to overcome the defects and provide a stone crushing and dust removing system.

The utility model comprises a feeding hopper, a first crusher, a second crusher, a vibrating screen and a dust remover, wherein a discharge port of the feeding hopper is provided with a vibrating feeder communicated with a feed port of the first crusher;

a first dust hood is arranged on the feeding hopper, a second dust hood is respectively arranged on the vibrating feeder, the discharge port of the first crusher, the feed port of the second crusher and the feed port of the vibrating screen,

the exhaust ports of the first dust hood and the second dust hood are respectively communicated with the air inlet of the dust remover through pipelines,

and a third dust hood is respectively arranged on the discharge port of the second crusher and the discharge port of the vibrating screen, and a group of spray nozzles are arranged at the top in the third dust hood.

The first crusher is a jaw crusher.

The second crusher is a counterattack crusher.

One side of the first dust hood is provided with a feed inlet, the top of the first dust hood opposite to the feed inlet is provided with an exhaust port, the bottom of the first dust hood is provided with an opening, the first dust hood is arranged on the upper hopper, a gap is arranged between the inner side of the first dust hood and the outer wall of the upper hopper, a sludge groove is arranged at the gap, and a spray pipe is arranged at the inner top of the first dust hood above the sludge groove.

The side wall of the first dust hood at the side opposite to the feed inlet is an inclined plane with one end of the upper part inclined outwards.

One side of the feed inlet of the first dust hood is provided with an edge opening which is bent inwards.

And a protective net is arranged on the feeding hopper corresponding to the sludge tank.

The bottom of the sludge tank is a high inclined plane near one end of the feed inlet, and a sewage discharge valve is arranged on the sludge tank at the lower end.

The utility model has the advantages that: the dust hood is arranged at the inlet and the outlet of the stone crushing and screening, so that dust dissipation is effectively reduced, dust dissipation is pressed through spraying on the discharge port of the second crusher and the discharge port of the vibrating screen, a layer of water mist can be covered on the surface of the stone, dust emission can be reduced when the stone is screened and piled up, and the working environment is protected.

Description of the drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic view of the structure of the first dust hood of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like in the description of the present utility model, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in the drawing, the utility model comprises a feeding hopper 1, a first crusher 2, a second crusher 3, a vibrating screen 4 and a dust remover 5, wherein a discharge port of the feeding hopper 1 is provided with a vibrating feeder 6 communicated with a feed port of the first crusher 2, the discharge port of the first crusher 2 is communicated with a feed port of the second crusher 3 through a belt conveyor, and the discharge port of the second crusher 3 is communicated with a feed port of the vibrating screen 4 through a belt conveyor;

the forklift pours stones into the feeding hopper 1, the vibrating feeder 6 evenly throws stones into the first crusher 2 for primary crushing, the stones after primary crushing enter the second crusher 3 for secondary crushing through the belt conveyor, the stones after secondary crushing enter the vibrating screen 4 for screening through the belt conveyor, two layers of screen plates are arranged in the vibrating screen 4, stones can be separated into coarse materials with large particles, fine materials with small particles and powder, the coarse materials with large particles are used for paving roads, and the fine materials with small particles are used for hardening walls and the like.

The second dust hood 11 and the third dust hood 12 are both installed on the fixed frame of the vibrating screen 4 when the vibrating screen 4 is installed, and the corresponding second dust hood 11 and third dust hood 12 are kept fixed when the vibrating screen 4 is vibrated.

The feeding hopper 1 is provided with a first dust hood 10, and the first dust hood 10 is used for collecting dust generated during feeding of the forklift.

The vibrating feeder 6, the discharge port of the first crusher 2, the feed port of the second crusher 3 and the feed port of the vibrating screen 4 are respectively provided with a second dust hood 11, and the second dust hood 11 is used for collecting dust generated during crushing and screening.

The exhaust ports of the first dust hood 10 and the second dust hood 11 are respectively communicated with the air inlet of the dust remover 5 through pipelines, and the dust remover 5 is a cyclone dust remover.

A third dust hood 12 is respectively arranged on the discharge port of the second crusher 3 and the discharge port of the vibrating screen 4, and a group of spray nozzles are arranged at the inner top of the third dust hood 12. The third dust hood 12 sprays water mist on the stone after secondary crushing and the screened stone, prevents dust emission during discharging, and can reduce dust emission during stone accumulation.

Preferably, the first crusher 2 is a jaw crusher for primary crushing of large pieces of stone material.

Preferably, the second crusher 3 is a counter-impact crusher. For secondary crushing of stone material to the desired particle size.

Further, a feed inlet is formed in one side of the first dust hood 10, an exhaust port is formed in the top of the first dust hood 10 on the side opposite to the feed inlet, the bottom of the first dust hood 10 is an opening, the first dust hood 10 is installed on the upper hopper 1, a gap is formed between the inner side of the first dust hood 10 and the outer wall of the upper hopper 1, a sludge groove 15 is formed in the gap, and a spray pipe 17 is arranged at the inner top of the first dust hood 10 above the sludge groove 15.

The shower 17 is three, corresponds three lateral walls of first dust excluding hood 10 respectively, is equipped with a plurality of shower nozzles on the shower 17, sprays the lateral wall on, and the dust that produces when carrying out the material loading of forklift partly discharges from the gas vent at first dust excluding hood 10 top, and the dust that escapes all around is taken away by the water absorption when touching first dust excluding hood 10 lateral wall and is entered into in the mud groove 15, the effectual dust escape that reduces, and the mud groove 15 makes the sewage that has the dust deposit and concentrates on the back and discharges.

Further, the side wall of the first dust hood 10 opposite to the feed inlet is an inclined surface with one end of the upper part inclined outwards. After the dust remover 5 is opened, the first dust hood 10 is in a negative pressure shape, the first dust hood 10 is in an inverted trapezoid structure with a wide upper part and a narrow bottom, the upper space is large, the upward raised airflow with dust is convenient to have a buffer space, and the dust is reduced from escaping from the feed inlet.

Further, a side of the feed inlet of the first dust removing cover 10 is provided with an edge 18 which is bent inwards. During feeding, when the dust-containing airflow raised outwards touches the edge 18, part of the airflow is blocked to form backflow, so that dust can be reduced from escaping outwards.

The upper hopper 1 corresponding to the sludge tank 15 is provided with a protective net 19. The protective net 19 is a metal net, the diameter of the net hole of the protective net is not more than 5mm, and the large stone materials are prevented from entering the sludge tank 15 during feeding.

The bottom of the sludge tank 15 is a high inclined plane near one end of the feed inlet, and a blow-down valve is arranged on the sludge tank 15 at the lower end. The sludge is convenient to concentrate to the lower end and is convenient to discharge.

Claims

1. The stone crushing and dust removing system is characterized by comprising a feeding hopper (1), a first crusher (2), a second crusher (3), a vibrating screen (4) and a dust remover (5), wherein a discharge port of the feeding hopper (1) is provided with a vibrating feeder (6) communicated with a feed port of the first crusher (2), the discharge port of the first crusher (2) is communicated with a feed port of the second crusher (3) through a belt conveyor, and the discharge port of the second crusher (3) is communicated with a feed port of the vibrating screen (4) through the belt conveyor;

a first dust hood (10) is arranged on the feeding hopper (1), a second dust hood (11) is respectively arranged on the vibrating feeder (6), the discharge port of the first crusher (2), the feed port of the second crusher (3) and the feed port of the vibrating screen (4),

the exhaust ports of the first dust hood (10) and the second dust hood (11) are respectively communicated with the air inlet of the dust remover (5) through pipelines,

a third dust hood (12) is respectively arranged on the discharge port of the second crusher (3) and the discharge port of the vibrating screen (4), and a group of spray nozzles are arranged at the inner top of the third dust hood (12).

2. A stone crushing and dust removal system according to claim 1, characterized in that the first crusher (2) is a jaw crusher.

3. A stone crushing and dust removal system according to claim 1, characterized in that the second crusher (3) is a counter-impact crusher.

4. The stone crushing and dust removing system according to claim 1, characterized in that one side of the first dust hood (10) is provided with a feed inlet, the top of the first dust hood (10) on the side opposite to the feed inlet is provided with an exhaust port, the bottom of the first dust hood (10) is an opening, the first dust hood (10) is arranged on the upper hopper (1), a gap is arranged between the inner side of the first dust hood (10) and the outer wall of the upper hopper (1), a sludge groove (15) is arranged at the gap, and a spray pipe (17) is arranged at the inner top of the first dust hood (10) above the sludge groove (15).

5. A stone crushing and dust removing system according to claim 4, characterized in that the side wall of the first dust hood (10) on the side opposite to the feed opening is an inclined surface with an upper end inclined outwards.

6. A stone crushing and dust removing system according to claim 4, characterized in that the side of the feed opening of the first dust hood (10) is provided with an inwardly bent rim (18).

7. The stone crushing and dust removing system according to claim 4, characterized in that a protective net (19) is arranged on the feeding hopper (1) corresponding to the sludge tank (15).

8. The stone crushing and dust removing system according to claim 4, wherein the bottom of the sludge tank (15) is a high inclined plane near one end of the feed inlet, and a blow-down valve is arranged on the sludge tank (15) at the lower end.