JPH05195517A - Noncontact continuous cleaning method - Google Patents

Abstract

PURPOSE:To make it possible to clean inner wall surfaces of a tunnel or underpass efficiently with small manpower without cutting off traffic. CONSTITUTION:A car 15 with sprinkling device 11 is caused to travel along a surface 40 to be treated to continuously sprinkle water on the surface 40 (first step 10). After the first step, a car 25 provided with a spraying device 21 of liquid chemical W2 for cleaning is caused to run along the surface to be treated to spray the liquid chemical on said surface (second step 20), following which a car 35 equipped with a high pressure cleaning device 31 is caused to run along the surface to be treated to continuously blow off cleaning water W3 against the surface to be treated which has been treated with liquid chemical to effect a washing treatment (third step 30).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a non-contact continuous cleaning method for cleaning passages and roads surrounded by wall surfaces and ceilings such as tunnels and underpasses.

[0002]

2. Description of the Related Art Generally, an inner wall surface of a passage surrounded by a tunnel, an underpass, or the like has been black-polluted by exhaust gas, dust, mold, or the like of a passing vehicle or a locomotive for many years. In addition, since sunlight does not reach the interior of such passages and lighting tends to be insufficient, it is always dark, and vehicles and pedestrians passing through the passages cannot obtain a sufficient field of view.
It is no exaggeration to say that the centerline and roadside belts drawn on the road surface are the only marks. Therefore,
Not only is it very dirty in such passages, but it has been extremely dangerous for safety nowadays due to the rapid increase in traffic volume.

However, cleaning such an inner wall of the passage requires a lot of manpower and labor, and depending on the location, it is often necessary to temporarily interrupt the traffic.
In addition to causing traffic congestion, there was a problem in ensuring the safety of workers.

[0004]

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems, and it is possible to efficiently use the inner wall surface of a tunnel, an underpass or the like with a small amount of manpower without blocking traffic. An object of the present invention is to provide a non-contact continuous cleaning method that can be thoroughly cleaned.

[0005]

That is, the present invention is
A first step of running a vehicle provided with a sprinkler along a surface to be treated to continuously perform watering treatment on the surface to be treated;
After the first step, a vehicle provided with a cleaning chemical spraying device is made to run along the surface to be treated, and the cleaning chemical is continuously sprayed to the surface to which the water spray treatment has been performed. After the two steps and the second step, a vehicle provided with a high-pressure cleaning device is run along the surface to be treated, and the cleaning liquid is continuously sprayed with cleaning water on the surface to be treated. The present invention relates to a non-contact continuous cleaning method, which comprises a third step of jetting and washing away.

[0006]

By the non-contact continuous cleaning method of the present invention, the wall surfaces of tunnels and underpasses are always kept bright and clean, the lighting effect is high, and the driver and pedestrians have a wide field of view to prevent accidents from occurring. be able to.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is a plan view of the inside of a passage showing an embodiment of the non-contact continuous cleaning method of the present invention, FIG. 2 is a rear view showing a main portion of a vehicle used in the method of the present invention, and FIG. 3 is a side view thereof.

As shown in FIG. 1, according to the non-contact continuous cleaning method of the present invention, a surface 40 to be treated such as an inner wall surface of a passage surrounded by a tunnel, an underground passage, an underpass or the like is sprayed. It comprises a first step 10, a second step 20 for spraying a cleaning chemical solution, and a third step 30 for flushing.

In this method, the first step 10, the second step 20, and the third step 30 are continuously performed while the vehicle is running, so that the work can be performed without interrupting the traffic. Reference C is a following vehicle.

The first step 10 is a step of washing away the sand and dust on the surface 40 to be treated in advance in order to make it easier for the cleaning chemicals used in the next step to permeate and enhance the cleaning effect. In this step, the vehicle 15 such as a truck provided with the sprinkler 11 is caused to travel along the surface 40 to be treated, and water W1 having a lower pressure than the water sprinkler 11 is continuously sprinkled on the surface 40 to be treated.

As shown in FIGS. 2 and 3, the sprinkler device 11 comprises a water storage tank 12 and a sprinkler 13, and a pump 14 operated by a generator (not shown) causes a proper amount of water to flow from a nozzle 16 of the sprinkler. Water is sprinkled. The number of the nozzles 16 and the arrangement shape of the nozzles 16 depend on the surface 40 to be processed to be cleaned.
Although it is appropriately determined depending on the shape and the degree of contamination, it is preferable to provide a plurality of pieces along the shape of the surface 40 to be processed from the wall surface to the ceiling surface in order to efficiently perform the cleaning operation. In this embodiment, as shown in the figure, a holding frame 18 is erected on a pedestal 17 of the vehicle 15, and six nozzles 16 are attached through pipes 19, 19 ...

In the second step 20, the surface 40 to be treated from which dust and the like on the surface has been removed by the first step 10 is
In the step of continuously cleaning with the cleaning liquid chemical W2 to chemically lift the adhered soot and the like, the first step 1
It is performed by a vehicle 25 that travels behind the vehicle 15 that performs 0 along the surface to be processed 40. This vehicle 25 is provided with a spraying device 21 for the cleaning chemical liquid W2, and the surface to be treated 4 is treated.
0 is continuously washed.

The spraying device 21 is composed of a chemical liquid tank 22 filled with a cleaning chemical liquid W2 and a sprayer 23. The spraying device 21 is operated by a pump 24 similarly to the water spraying device 11 to continuously spray the chemical liquid W2 on the surface 40 to be treated. Sprinkle on.

As the cleaning chemical W2, one kind or two or more kinds of chemicals of an appropriate kind are selected and adjusted to an appropriate concentration according to the kind and degree of contamination of the surface 40 to be treated.
The chemical liquid W2 is preferably sprayed in the form of low-pressure droplets. If the sprayed particles of the cleaning chemical liquid W2 are fine, they will be swept away by the wind generated by the traveling vehicle, and the surface to be treated 40
Difficult to apply effectively.

The third step 30 is to wash away the dirt lifted up in the second step 20 with the high-pressure cleaning water W3 to clean the surface 40 to be treated. In this step, behind the vehicle 25 that performs the second step 20,
The vehicle 35 provided with the high-pressure cleaning device 31 is caused to travel along the surface 40 to be treated, and the high-pressure cleaning device 31 continuously sprays the high-pressure cleaning water W3 onto the surface 40 to be treated.

The high-pressure cleaning device 31 comprises a water storage tank 32 and a high-pressure cleaning device 33, and a high-pressure pump 34 driven by a generator or the like injects cleaning water W3 of 50 to 100 atm from the nozzle 36 onto the surface 40 to be treated. .. This wash water W
When the ejection pressure of 3 is less than 50 atm, it is difficult to completely remove the floating dirt. Also, 10
If the pressure is higher than 0 atm, not only the power consumption increases and the cost increases, but also the wall surface may be damaged by the impact of washing water.

The vehicles 15, 25, and 35 used in each of these steps 10, 20, and 30 are used one by one or a plurality of vehicles, depending on the size of the surface 40 to be treated or the type and degree of contamination, and are continuously used. The surface to be processed is cleaned while running the same.

[0018]

As shown and described above, according to the non-contact continuous cleaning method of the present invention, the vehicle is run without the need for people to carry out the cleaning work on the passage surfaces such as tunnels and underpasses. Since it can be continuously performed as it is, there is no fear of traffic congestion due to traffic interruption, and cleaning work is safe. In addition, because it is possible to work efficiently over a wide area with a small number of workers, it is possible to significantly reduce labor costs,
The present invention has great advantages.

[Brief description of drawings]

FIG. 1 is a plan view of the inside of a passage showing an embodiment of a non-contact continuous cleaning method of the present invention.

FIG. 2 is a rear view showing a main part of a vehicle used in the method of the present invention.

FIG. 3 is a side view thereof.

[Explanation of symbols]

 10 First Process 11 Water Sprinkler 15 Vehicle 20 Second Process 21 Spraying Device 25 Vehicle 30 Third Process 31 High Pressure Cleaning Device 35 Vehicle 40 Surface to be Treated W1 Water for Watering W2 Cleaning Liquid W3 High Pressure Cleaning Water

Claims (2)

[Claims] 1. A first step in which a vehicle provided with a sprinkler is run along a surface to be treated to continuously perform water spray treatment on the surface to be treated; and, after the first step, a cleaning chemical solution is added. A second step of running a vehicle provided with a spraying device along the surface to be treated and continuously spraying a cleaning chemical on the surface to be treated that has been water-sprayed, and after the second step, From the third step of running a vehicle provided with a high-pressure cleaning device along the surface to be processed and continuously ejecting cleaning water onto the surface to be processed to which the cleaning chemical solution has been sprayed to wash away the water. A non-contact continuous cleaning method comprising: 2. The non-contact continuous cleaning method according to claim 1, wherein the surface to be treated is an inner wall surface of a tunnel, an underground passage, an underpass or the like.