CN219296685U

CN219296685U - Discharging device of calcium carbonate raw material screening building

Info

Publication number: CN219296685U
Application number: CN202223593023.7U
Authority: CN
Inventors: 傅维; 林斌志; 吕维枢; 宋开妹; 韦保鑫
Original assignee: Guangxi Wuxuan Huaheng Mining Co ltd
Current assignee: Guangxi Wuxuan Huaheng Mining Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-04
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the field of calcium carbonate processing, in particular to a discharging device of a calcium carbonate raw material screening building, which comprises a screening device for screening calcium carbonate raw materials and a discharging channel for discharging the calcium carbonate raw materials, wherein one end of the discharging channel is provided with a discharging hole, the discharging hole is provided with a dust blocking device for reducing dust flying, and a dust absorbing device for absorbing flying dust is arranged outside the discharging hole. According to the utility model, the dust blocking device is arranged to provide resistance to dust generated when the screened calcium carbonate raw material is discharged, so that flying dust is reduced, and the dust absorbing device is arranged to absorb flying dust at the discharge port, so that the air quality near the discharge port is further improved, and a healthy working environment is provided for workers working near the discharge port.

Description

Discharging device of calcium carbonate raw material screening building

Technical Field

The utility model relates to the field of calcium carbonate processing, in particular to a discharging device of a calcium carbonate raw material screening building.

Background

Calcium carbonate is a commodity name for a valuable resource limestone with extremely wide use as a mineral raw material. Limestone is widely used in human civilization history due to its wide distribution in nature and easy availability.

Before the calcium carbonate is processed, the raw materials are often required to be guided into a screening machine for screening, the screened calcium carbonate raw materials are required to reach a discharge port through a discharge channel, and then are received by receiving equipment of the discharge port and are transmitted to the next working procedure. When the existing calcium carbonate raw material is screened out, a large amount of dust can be generated to fly, the dust contains a large amount of silicon dioxide impurities, and workers near a discharge hole can cause airway inflammation and bronchitis after working for a long time, and can be accompanied with emphysema. Lymph node calcification occurs on X-ray chest film, and lung texture is enhanced. The dust lungs of workers are mainly related to silica impurities contained in the calcium carbonate raw material.

In view of the above, there is an urgent need to reduce the flying dust from the discharge port of a calcium carbonate raw material screening building during discharge.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects in the prior art, the utility model provides the discharging device of the calcium carbonate raw material screening building, and the dust flying during discharging of the discharging hole of the calcium carbonate raw material screening building can be effectively reduced by arranging the dust blocking device and the dust collecting device.

Technical proposal

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides a discharging device of a calcium carbonate raw material screening building, which comprises a screening device for screening calcium carbonate raw materials and a discharging channel for discharging the calcium carbonate raw materials, wherein one end of the discharging channel is provided with a discharging hole, the discharging hole is provided with a dust blocking device for reducing dust flying, and a dust absorbing device for absorbing flying dust is arranged outside the discharging hole.

Further, the dust blocking device comprises a plurality of iron chains fixedly connected above the discharge hole.

Further, the iron chains are made of galvanized iron and are uniformly arranged at the discharge hole, so that the iron chains integrally cover the discharge hole.

Further, the dust collection device comprises a dust collection plate for blocking and expanding the dust collection range, a dust collection opening is arranged in the middle of the dust collection plate, the dust collection opening is connected with a dust collection channel, and the other end of the dust collection channel is connected with an air exhaust device.

Further, the dust collection opening is in a horn shape.

Further, the air extractor comprises an air extracting pump, a filter screen is arranged at the output end of the air extracting pump, and an ash collecting groove is detachably arranged at the lower end of the filter screen.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

according to the utility model, the dust blocking device is arranged to provide resistance to dust generated when the screened calcium carbonate raw material is discharged, so that flying dust is reduced, and the dust absorbing device is arranged to absorb flying dust at the discharge port, so that the air quality near the discharge port is further improved, and a healthy working environment is provided for workers working near the discharge port.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of the front structure of a detection frame in the present utility model;

FIG. 2 is a schematic side view of the detection frame according to the present utility model.

Reference numerals in the drawings represent respectively: 1. a screening device; 2. a discharge channel; 3. a discharge port; 4. a dust blocking device; 5. a dust collection device; 6. an iron chain; 7. a dust collection plate; 8. a dust collection port; 9. a dust collection channel; 10. an air extracting device; 11. an air extracting pump; 12. a filter screen; 13. ash collecting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, 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. It will be apparent that the described embodiments are some, but not all, 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.

The utility model is further described below with reference to examples.

Examples: a discharging device of a calcium carbonate raw material screening building can generate a large amount of dust to fly when the existing calcium carbonate raw material is screened out, the dust contains a large amount of silicon dioxide impurities, and workers near a discharging hole 3 can cause airway inflammation and bronchitis when working for a long time, and can be accompanied with emphysema. This scheme gives the resistance through setting up the dust that produces when the calcium carbonate raw materials ejection of compact after the dust blocking device 4 will pass through the screen, reduces the dust that flies upward, is provided with dust extraction 5 simultaneously for the dust that flies upward of absorption discharge gate 3 department, thereby further improve the air quality near discharge gate 3, based on the healthy operational environment of workman who works near discharge gate 3. The specific scheme is as follows:

the utility model provides a discharging device of calcium carbonate raw materials screening building, is including being used for the screening plant 1 of calcium carbonate raw materials screening for with calcium carbonate raw materials exhaust discharge gate 2, the one end that discharge gate 2 was equipped with discharge gate 3, discharge gate 3 department is equipped with the dust retaining device 4 that reduces the dust and fly upward, the dust extraction 5 that absorbs the dust that flies upward outside the discharge gate 3.

After the calcium carbonate raw materials come out from the screening machine, the raw materials are discharged from the discharge port 3 after passing through the discharge channel 2, in the process, the dust blocking device 4 can give resistance to dust, dust flying is reduced, and meanwhile, the dust absorbing device 5 can absorb the flying dust, so that the air quality near the discharge port 3 is improved, and the air quality is based on the healthy working environment of workers working near the discharge port 3.

As a specific embodiment of the utility model, the dust deflector 4 comprises a plurality of iron chains 6 fixedly connected above the discharge opening 3.

The iron chains 6 are fixed from the upper part, the calcium carbonate raw material is washed away in the discharging process, the calcium carbonate raw material positioned below the discharging channel 2 is washed away, dust positioned above and in a floating state can be blocked by the iron chains 6, air belongs to fluid, the fluid can fall down at the front speed when encountering obstacles in the moving process, the dust floating in the air can sink down under the action of gravity and is at the same height as the calcium carbonate raw material, so that the flying dust at the discharging hole 3 can be reduced, the dust blocking device 4 is responsible for blocking the dust in the air, and therefore, the material with high weight and long service life is required to be adopted.

As a specific embodiment of the present utility model, the plurality of iron chains 6 are made of zinc-plated iron and are uniformly arranged at the discharge port 3, so that the plurality of iron chains 6 entirely cover the discharge port 3.

The galvanized iron chain 6 is formed by reacting molten metal with an iron matrix to form an alloy layer, so that the matrix and the plating layer are combined, and the galvanized iron chain 6 has the advantages of uniform plating layer, strong adhesive force, low price, long service life and the like. It can be known from fluid mechanics that when fluid encounters an obstacle in the moving process, the front speed is reduced, but the speed of the side surface is increased, so that a plurality of iron chains 6 are required to be deployed, the iron chains 6 are uniformly distributed in a layer, the discharge port 3 is totally blocked, the air flowing to the discharge port 3 is decelerated, the dust floating in the air is sunk under the action of gravity, the height of the dust is the same as that of the calcium carbonate raw material, and the dust flying at the discharge port 3 is reduced.

As a specific embodiment of the utility model, the dust collection device 5 comprises a dust collection plate 7 for blocking and expanding the dust collection range, a dust collection opening 8 is arranged in the middle of the dust collection plate 7, the dust collection opening 8 is connected with a dust collection channel 9, and the other end of the dust collection channel 9 is connected with an air extraction device 10.

The dust collection plate 7 is located on the side face of the discharge hole 3, so that flying dust is further prevented, meanwhile, the dust collection hole 8 is formed in the center of the dust collection plate 7, the dust collection hole 8 is connected with the air extractor 10 through the dust collection channel 9, the air extractor 10 sucks the dust prevented by the dust collection plate 7, the air quality near the discharge hole 3 is further improved, and a healthy working environment is provided for workers working near the discharge hole 3.

As a specific embodiment of the present utility model, the dust suction port 8 is horn-shaped.

The horn-shaped suction opening 8 can enlarge the suction range of the dust suction device 5 so that more dust is sucked.

As a specific embodiment of the present utility model, the air extractor 10 includes an air pump 11, the output end of the air pump 11 is provided with a filter screen 12, and the lower end of the filter screen 12 is detachably provided with an ash collecting groove 13.

The aspiration pump 11 is used for inhaling the dust that dust absorption board 7 blocked, improves the air quality near discharge gate 3, and the dust gets into from dust absorption opening 8 on the barrier plate, reaches filter screen 12 department through dust absorption way 9 and is blocked by filter screen 12, and after the ejection of compact is accomplished, aspiration pump 11 stops the bleed, and the dust that is blocked by filter screen 12 can drop to the dust collection inslot 13 of below under the effect of gravity, and dust collection inslot 13 is removable to be got rid of the dust clean up of dust collection inslot 13.

Working principle: the calcium carbonate raw materials come out from the screening machine, discharge from discharge gate 3 after passing through discharge channel 2, in the process, the calcium carbonate raw materials that is located discharge channel 2 below will dash out, the dust that is located the top and is in the state of floating can be blocked by iron chain 6, the air that flows to discharge gate 3 slows down, the dust that floats in the air will sink under the effect of gravity, the same height as the calcium carbonate raw materials, reduce the dust that flies upward in discharge gate 3, the dust board that is located the side of discharge gate 3 is used for stopping the dust that flies upward simultaneously, there is dust inlet 8 in dust absorption board 7 central authorities, dust inlet 8 and aspiration pump 11 are connected with dust absorption channel 9 for with the aspiration pump 11, aspiration pump 11 is used for the dust suction that blocks dust absorption board 7 is got into, dust from the dust inlet 8 on the baffle board gets into filter screen 12 department through the aspiration channel 9 and is blocked by filter screen 12, after the ejection of material is accomplished, the dust that is blocked by filter screen 12 can drop to the dust collection groove 13 of below under the effect, dust collection groove 13 can be dismantled and will collect the dust in 13 the dust of dust removal.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to 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.

Claims

1. The utility model provides a discharging device of calcium carbonate raw materials screening building, is including being used for screening plant (1) of calcium carbonate raw materials for with calcium carbonate raw materials exhaust discharge gate (2), the one end of discharge gate (2) is equipped with discharge gate (3), its characterized in that, discharge gate (3) department is equipped with dust blocking device (4) that reduce the dust and fly upward, dust extraction (5) that fly upward dust are absorbed outward to discharge gate (3).

2. A discharge device of a calcium carbonate raw material screening building according to claim 1, characterized in that the dust guard (4) comprises a plurality of iron chains (6) fixedly connected above the discharge opening (3).

3. A discharge device of a calcium carbonate raw material screening building according to claim 2, characterized in that a plurality of iron chains (6) are made of zinc-plated iron and are uniformly arranged at the discharge port (3) so that the iron chains (6) integrally cover the discharge port (3).

4. The discharging device of the calcium carbonate raw material screening building according to claim 1, wherein the dust collection device (5) comprises a dust collection plate (7) for blocking and expanding dust collection range, a dust collection opening (8) is arranged in the middle of the dust collection plate (7), the dust collection opening (8) is connected with a dust collection channel (9), and the other end of the dust collection channel (9) is connected with an air extraction device (10).

5. A discharge device of a calcium carbonate raw material screening building according to claim 4, characterized in that the dust suction opening (8) is trumpet-shaped.

6. The discharging device of the calcium carbonate raw material screening building according to claim 4, wherein the air extracting device (10) comprises an air extracting pump (11), a filter screen (12) is arranged at the output end of the air extracting pump (11), and an ash collecting groove (13) is detachably arranged at the lower end of the filter screen (12).