KR20060092482A - Gravel washing system - Google Patents

Abstract

The disclosed gravel washing apparatus includes an incoming conveyor for introducing contaminated gravel into a main body provided with moving wheels so as to be movable on a railroad or road, a transfer unit for rotating the transferred gravel, and a drying unit for drying gravel conveyed by the transfer unit. The contaminant removal unit for removing contaminants by spraying a cleaning agent on the surface of the gravel, the gravel sorting unit for sorting the gravel from which the contaminants have been removed through the contaminant removal according to the reusable size, the gravel removed the contaminants by the gravel sorting unit A discharge conveyor for discharging the railway adjacent to the outside of the main body is provided.

Such a gravel washing apparatus does not require a separate purifying device because it does not use a washing liquid, and may provide an effect of allowing the washing of contaminated gravel while moving on the railroad.

Gravel, Washing Equipment

Description

Gravel washing system

1 is a perspective view of the gravel washing device according to an embodiment of the present invention.

2 is a side cross-sectional view of FIG.

3 is a front sectional view of FIG.

4 is a cross-sectional view of the sorting plate shown in FIG.

Explanation of symbols on the main parts of the drawings

10: body 11: moving wheel

20: incoming conveyor 30: transfer part

31: Transfer screw 32: Rotary motor

40: drying part 41: air jet

50: dirt removal unit 51: dirt removal nozzle

52: separated wire mesh 53: contaminant collection box

60: gravel screening section 61: screening

62: selection mouth 63: vibrator

64: waste ache collection 70: exhaust conveyor

80: dust collector

The present invention relates to a washing apparatus, and more particularly, to a gravel washing apparatus for washing the gravel laid on the railway tracks of railroad cars and subways.

In general, railroad cars and railway tracks are laid with sleepers at appropriate intervals on the road, and rails are mounted thereon.

At this time, the railway is laid with gravel of a predetermined size or more in order to reduce the impact and vibration caused by the railway vehicle.

Later, the gravel laid on the railroad is polluted by contaminants such as oil spilled from railroad cars, and the contaminated gravel contaminates the environment by pollutants entering the soil or rivers during rainy weather.

So, the contaminated gravel is collected and disposed of by the worker on the railroad, and then new gravel is laid or collected and transferred to a washing apparatus installed in a separate place for cleaning.

Thus, when the cleaning solution is sprayed or immersed in the contaminated gravel transferred to the cleaning device installed in a separate place to remove the contaminants on the surface, the cleansing work by spraying clean water to the washed gravel to remove the surface of the cleaning solution and dry Is complete.

As such, conventionally, contaminated gravel is disposed of in a railway line, so that new gravel or a transfer to a washing apparatus installed in a separate place has a problem in that a cost and a washing work time increase.

In addition, there is a problem in that the cost of washing is increased because a second environmental pollution by the washing liquid and the washing water used to remove contaminants on the gravel surface and a reprocessing device for purifying the washing water are required separately.

The present invention has been invented to solve the above problems, does not require a facility for the purification of the washing liquid and washing water, washing the gravel does not need to be transported to a separate place for cleaning of contaminated gravel on the railway and road It is an object to provide a device.

The gravel washing apparatus of the present invention for achieving the above object, the main body is provided with a plurality of moving wheels to be movable on the railway or road; An incoming conveyor for introducing the contaminated gravel into the main body; A conveying unit for rotating conveying the gravel drawn by the drawing conveyor in the main body; A drying unit for drying the gravel conveyed by the transfer unit; A contaminant removing unit for removing contaminants on the surface of the gravel by spraying a cleaner on the coarse gravel of the drying unit; A gravel sorting unit for sorting the gravel from which the contaminants are removed through the contaminant removing unit according to size; And a discharge conveyor for discharging the gravel from which the contaminants having passed through the gravel separator is removed to the outside of the main body.

Preferably, the transfer part includes a plurality of transfer screws for rotating the contaminated gravel and a rotating motor for rotating the transfer screw.

The drying unit is preferably an air injector for injecting cold and room temperature and high temperature wind.

The contaminant removal unit preferably includes a contaminant removal nozzle for removing contaminants on the surface of the gravel by spraying a cleaning agent at a high pressure, a separation wire mesh for separating contaminants and gravel, and a contaminant collection container containing contaminants separated by the separation wire mesh. .

The gravel selection unit preferably includes a sorting plate for sorting the reuse or not according to the size of the gravel, a plurality of vibrators for generating vibration in the sorting plate and the waste gravel collection box containing the gravel that can not be used by the sorting plate. .

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, Figures 1 and 2 are a perspective view and a side cross-sectional view of a gravel washing apparatus of a preferred embodiment according to the present invention.

As shown in the present embodiment, the gravel washing apparatus includes a main body 10 provided with a plurality of moving wheels 11 so as to be movable on railroads or roads, and contaminated by a worker stacked adjacent to the main body 10. An inlet conveyor 20 for introducing gravel into the main body 10 is provided.

Then, the gravel drawn by the inlet conveyor 20 is rotated in the main body 10 and the transfer unit 30 and the contaminated gravel conveyed by the transfer unit 30 at the same time to dry the contaminants at the same time. The drying unit 40 to be removed is provided inside the main body 10.

In addition, the contaminant removal unit 50 for completely removing the contaminants by spraying a high-pressure cleaning agent on the surface of the gravel from which the contaminants are first removed from the drying unit 40 and reused among the gravel through the contaminant removal unit 50 Gravel selection unit 60 to pick out only the gravel of this possible size, and the discharge conveyor 70 for discharging the gravel through the gravel selection unit 60 to the outside of the main body 10 is provided.

The main body 10 is provided with a plurality of moving wheels 11 at the lower end thereof so that the washing apparatus can be moved on a railroad or a road so that the contaminated gravel does not need to be transferred to another place for washing.

As shown in FIG. 3, the inlet conveyor 20 is a device for introducing contaminated gravel accumulated in the vicinity of a railroad or a road by workers into the main body 10.

Accordingly, the inlet conveyor 20 has one end protruded to the outside of the main body 10 and the other end is formed to be introduced into the main body 10 and is positioned to be located at an upper end adjacent to the transfer unit 30.

The transfer unit 30 is a portion for allowing the contaminant gravel introduced into the main body 10 to be rotated by the inlet conveyor 20.

The transfer part 30 is provided with a plurality of transfer screws 31 installed in the longitudinal direction of the main body 10 and a rotation motor 32 for axially rotating the transfer screw 31.

The drying unit 40 is installed on the conveying unit 30 adjacent to the inlet conveyor 20 and primarily sprays cold, normal and high temperature air onto the surface of the contaminant gravel conveyed by the conveying unit 30. This part is used to remove contaminants.

That is, the drying unit 40 sprays cold and room temperature and high temperature air into the contaminants introduced by the inlet conveyor 20 by an air injector, thereby evaporating the moisture of the contaminants on the contaminant surface and causing gravel and It will weaken the adhesion to contaminants.

The contaminant removing unit 50 is a portion for completely washing the surface of the gravel from which the contaminants are first removed while passing through the drying unit 40.

The contaminant removing unit 50 is installed on one side of the main body 10 and is provided with a plurality of contaminant removing nozzles 51 for removing contaminants by spraying a high pressure cleaning agent on the gravel which has passed through the drying unit 40. .

In addition, the contaminant removing unit 50 collects contaminants separated by gravel from the contaminants removed by the contaminant removing nozzle 51 and contaminants separated by the separating wire mesh 52 to collect the main body ( 10) The pollutant collection container 53 is installed so that it can be easily discharged to the outside.

The cleaning agent sprayed from the decontamination unit 50 is preferably a powder cleaner or dry ice.

In particular, dry ice is in contact with the foreign matter on the surface of the gravel in the solid state when sprayed from the decontamination nozzle 51 and sublimates into the gas and penetrates into the tissue of the foreign matter to expand the volume to destroy the tissue of the foreign material by damaging the gravel. Only debris is removed from the gravel surface.

The separating wire mesh 52 is a plate having a plurality of fine through holes, and is installed under the transfer screw 31 so that only the contaminants removed from the gravel by the decontamination nozzle 51 pass through the through holes. To be collected in the contaminant collection container (53).

The gravel selection unit 60 is a part for selecting only gravel of the size that can be used on the railroad or road again among the gravel from which the contaminants have been removed from the contaminant removing unit 50.

This, the gravel selection unit 60 is installed in the lower portion of the transfer screw 31 adjacent to the contaminant removing unit 50, the sorting plate for selecting only the gravel of a predetermined size or more of the gravel through the contaminant removing unit 50 61 is installed.

A plurality of vibrators 63 are installed at both ends of the sorting plate 61 to generate vibrations in the sorting plate 61 to facilitate gravel selection.

In addition, the gravel sorting unit 60 contains the gravel that can not be reused by the sorting plate 61 and the vibrator 63 on the lower side of the sorting plate 61 and discharged to the outside of the main body 10. Gravel collection tube 64 is installed.

As shown in FIG. 4, the sorting plate 61 is formed with a plurality of sorting openings 62 arranged at predetermined intervals.

Accordingly, the gravel smaller than the sorting opening 62 falls into the waste abrasion bin 64, and the gravel larger than the sorting opening 62 is transferred to the discharge conveyor 70.

The vibrator 63 is installed at both ends of the sorting plate 61 and generates vibrations in the sorting plate 61 to shake the gravel on the sorting plate 61.

Therefore, even if the gravel smaller than the sorting opening 62, the shape of the gravel edge is caught by the sorting opening 62 to prevent the gravel does not fall into the waste gravel collection (64).

The discharge conveyor 70 discharges the gravel selected from the gravel selection unit 60 to the outside, and once the gravel from which the contaminants in the main body 10 are removed is discharged to the outside of the main body 10. Located at the lower end of the transfer unit 30 inside the main body 10, the other end is installed to protrude out of the main body 10.

In addition, a plurality of dust collectors 80 are installed at upper ends of the main body 10 to collect fine contaminant powders scattered by the high pressure air sprayed from the drying unit 40 and the contaminant removing unit 50.

The operation of the gravel washing apparatus according to the embodiment configured as described above will be described in detail with reference to FIGS. 1 to 4 as follows.

First, workers pile up contaminated gravel on railroads or roads, adjacent to railroads and roads.

Subsequently, the moving wheel 11 is installed to move the movable main body 10 on the railway to stop where the contaminated gravel is accumulated.

Then, the incoming conveyor 20 introduces the contaminated gravel into the body 10, and the introduced gravel is rotated by the transfer screw 31 of the transfer unit 30 while being opposite to the introduction conveyor 20. Is moved to.

The gravel rotated by the transfer screw 31 is first removed from the surface of the contaminants on the surface by the air sprayer of the drying unit 40, the moisture of the contaminants buried in the gravel is evaporated between the gravel and the contaminants Adhesion is weakened.

The gravel dried in the drying unit 40 is moved to the contaminant removing unit 50 by the transfer screw 31.

Then, the high pressure is sprayed on the dried gravel in the plurality of contaminant removal nozzles 51 located on the upper side of the transfer screw 31, the cleaning agent is the entire surface of the gravel rotated by the transfer screw 31 The spray removes foreign substances.

At this time, the contaminants separated from the contaminant removing unit 50 are collected in the contaminant collection container 53 through the separation wire mesh 52 and then discharged to the outside of the main body 10.

Thereafter, the gravel from which the contaminants have been removed from the contaminant removing unit 50 is moved to the gravel selecting unit 60.

The gravel moved to the gravel sorting unit 60 is transferred to the discharge conveyor 70 gravel more than the sorting port 62 by the sorting plate 61 vibrated by the vibrator 63, the sorting Gravel smaller than the sorting opening 62 formed in the plate 61 is collected in the waste gravel collection box 64.

The gravel conveyed to the discharge conveyor 70 is discharged to the outside of the main body 10, the discharged gravel is laid by the workers on the railway again.

As described above, the gravel washing apparatus of the present invention does not require a separate purifying device because it does not use a washing liquid, and provides an effect of enabling the washing of contaminated gravel while moving on a railroad or a road.

It is to be understood that the invention is not limited to that described above and illustrated in the drawings and that many more modifications and variations are possible within the scope of the following claims.

Claims (8)

A main body provided with a plurality of moving wheels so as to be movable on a railroad or a road; An incoming conveyor for introducing the contaminated gravel into the main body; A conveying unit for rotating conveying the gravel drawn by the drawing conveyor in the main body; A drying unit for drying the gravel conveyed by the transfer unit; A contaminant removing unit for removing contaminants on the surface of the gravel by spraying a cleaner on the coarse gravel of the drying unit; Gravel sorting unit for sorting the gravel from which the contaminants have been removed through the contaminant removing unit according to the size; And A gravel washing apparatus comprising a discharge conveyor for discharging the gravel from which the contaminants passing through the gravel separator is removed to the outside of the main body. And a plurality of dust collectors are installed at the upper end of the main body to collect fine contaminant powders scattered by the high pressure air injected from the drying unit and the contaminant removing unit. The method of claim 1, The transfer unit is a gravel washing apparatus, characterized in that a plurality of transfer screw for rotating conveying the contaminated gravel and a rotating motor for rotating the transfer screw is installed. The method of claim 1, Gravel cleaning device, characterized in that the drying unit is installed with an air sprayer for spraying cold and room temperature and hot air. The method of claim 1, The contaminant removing unit is provided with a plurality of contaminant removal nozzles for removing contaminants from the gravel surface by spraying a cleaning agent at high pressure, a separate wire mesh for separating contaminants and gravel, and a contaminant collection container containing contaminants separated by the separating wire mesh. Gravel cleaning device characterized in that. The method of claim 5, The cleaning agent sprayed from the decontamination nozzle is a gravel washing apparatus, characterized in that the powder cleaning agent or dry ice. The method of claim 1, The gravel sorting unit is characterized in that the sorting plate for sorting the presence or absence of reuse depending on the size of the gravel and a plurality of vibrators for generating vibration in the sorting plate and the waste gravel collection box containing the gravel that can not be used by the sorting plate Gravel cleaning device. The method of claim 7, wherein Gravel cleaning device, characterized in that formed in the sorting plate is arranged a plurality of sorting openings having a predetermined size at regular intervals.

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