JP2004275848A - Washing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a washing apparatus capable of more efficiently and certainly removing not only the persistent adherent material strongly caked on an object to be washed but also the adherent material remaining on the whole surface of the object to be washed and to more efficiently reuse a used washing liquid to largely conserve washing water. <P>SOLUTION: This washing apparatus is constituted so that the object 8 to be washed is transferred to a first washing part 1 using a liquid jet stream containing a particulate material, a second washing part 2 using a liquid jet stream containing no particulate material and a rinsing/washing part 3 using fresh water and the washing liquid or fresh water sent under pressure by a pump is sprayed on the object 8 to be washed from jet nozzles 9-21 to wash the object 8 to be washed. The fresh water used in the rinsing/washing part 3 is reused as the washing liquid of the second washing part 2 after foreign matter is removed from the used fresh water by a filter and the washing liquid used in the second washing part 2 is reused as the washing liquid of the first washing part 1 after foreign matter is further removed by the filter. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
According to the present invention, a first cleaning unit provided with a liquid jet flow containing at least powder and granules, a second cleaning unit provided with a liquid jet flow not containing powder and granules, and fresh water provided along a conveyance path of an object to be cleaned are provided. The present invention relates to a cleaning apparatus configured to transfer an object to be cleaned to each cleaning section of a rinsing cleaning section and perform a desired cleaning process.
[0002]
[Prior art]
A cleaning device that transports the object to be cleaned into a processing section such as a cleaning section or a draining section and performs the intended cleaning process. The idea of reusing as washing water has been conventionally known (see Patent Document 1). By the way, in this prior art, no special measures have been taken with respect to the removal of stubborn deposits that have firmly adhered to the object to be cleaned, and the stubborn deposits that have firmly adhered to the object to be cleaned are accurately and efficiently removed. It was not technically easy to remove. That is, while devising the cleaning process so that the stubborn deposits firmly adhered to the object to be cleaned can be more accurately and efficiently removed, the concept regarding the effective use of the used cleaning liquid of the related art is considered. There is room for technical improvement to further increase the saving of washing water.
[0003]
[Patent Document 1]
Japanese Utility Model Publication No. 7-40362
[Problems to be solved by the invention]
The present invention is based on the above-described conventional technology, and it is more efficient to remove stubborn deposits firmly adhered to an object to be cleaned and to remove deposits remaining on the entire surface to be cleaned. It is another object of the present invention to provide a cleaning apparatus that can be implemented accurately and that can increase the saving of cleaning water by more efficiently reusing a used cleaning liquid.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention provides a first cleaning unit using a liquid jet stream containing at least powder and granules along a transport path of an object to be cleaned, and a second cleaning unit using a liquid jet stream containing no powder and granules. And a rinsing section with fresh water, an injection nozzle for injecting the cleaning liquid into each of the cleaning sections, and a pump for pumping the cleaning liquid to the injection nozzle are provided. In the cleaning apparatus configured to carry out the final cleaning process, the clean water used in the rinsing cleaning section is removed as foreign matter by a filter and reused as the cleaning liquid of the second cleaning section, and the second cleaning section A technical means is employed in which the used cleaning liquid is further removed by a filter to remove foreign matter and reused as the cleaning liquid in the first cleaning section. According to the present invention, at least the first cleaning unit using the liquid jet flow in which the granular material is mixed is combined with the second cleaning unit using the liquid jet flow in which the granular material is not mixed. By the cleaning action, the stubborn deposits firmly adhered to the object to be cleaned can be mainly and more effectively removed, and the cleaning of the deposits remaining on the entire surface to be cleaned is performed in the second cleaning section. (1) Since the cleaning action is lighter than the cleaning section, sufficient cleaning can be performed while avoiding damage due to the cleaning action, so that the overall cleaning action is improved to be more efficient and accurate overall, and furthermore, rinsing is performed. In addition to the reuse of the fresh water recovered from the washing in the second washing section, the used washing liquid used in the second washing section can be reused in the first washing section. Also very much It is. Note that a high-pressure plunger pump may be used as a pump used in the first cleaning unit and the second cleaning unit, and the high-pressure plunger pump may be configured to supply fresh water or a cleaning liquid that has passed through a filter, respectively ( Claim 2). Further, it is also possible to configure so that the fresh water used in the rinsing washing section is reused in the first washing section (claim 3). That is, since the amount of fresh water used in the rinsing section is large, if an excess is generated after reuse in the second cleaning section, the excess of the fresh water can be reused in the first cleaning section. It is.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
INDUSTRIAL APPLICABILITY The present invention can be widely applied as a cleaning device for various objects to be cleaned. The cleaning liquid used in the first cleaning section and the second cleaning section is composed of ordinary water such as tap water or a liquid prepared by adding a surfactant or the like as necessary. As clean water used in the rinsing section, relatively clean water such as tap water suitable for rinsing such as washing water adhered to an object to be cleaned is used. Further, as the powder and granules used in the first cleaning unit, the cleaning action is improved by mixing with the cleaning liquid and spraying it as a liquid jet stream onto the object to be cleaned. Any material can be used as long as it is effective for removing stubborn deposits firmly adhered to the object to be cleaned. There is no restriction on the type of the granular material or the size of the particle size, and depending on the type of the substance attached to the object to be cleaned and the like, for example, a polishing material such as sodium hydrogen carbonate or alumina, etc. Any selection suitable for removing the deposits is possible. When an insoluble material such as a resin is used as the cleaning material, it may be reused separately from foreign matter. The specific form of the liquid jet flow in the first cleaning unit and the second cleaning unit may be a type in which the liquid is jetted in a liquid state, or a type in which a gas is mixed and jetted as a gas-liquid mixed flow. Further, a heated solution may be used as the cleaning solution.
[0007]
【Example】
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a circuit configuration diagram illustrating a circuit configuration relating to a cleaning liquid and fresh water in a cleaning apparatus according to an embodiment of the present invention. As illustrated, in the present embodiment, a case where the first cleaning unit 1, the second cleaning unit 2, the rinsing cleaning unit 3, and the draining unit 4 are installed is shown. These parts are separated from each other by shutters 5 to 7 that can be opened and closed. In the first cleaning unit 1 and the second cleaning unit 2, two cleaning objects 8 are simultaneously subjected to cleaning processing, and rinsing cleaning is performed. The unit 3 and the draining unit 4 are configured to perform a rinsing cleaning process or a draining process on each of the objects 8 to be cleaned. The cleaning object 8 carried into the first cleaning unit 1 is first sprayed with a liquid jet flow mixed with powder and granules by using jet nozzles 9 to 11 as a first step and jet nozzles 12 and 13 as a second step. A strong cleaning process is performed twice to remove stubborn deposits firmly adhered to the object 8 to be cleaned. Next, the object 8 to be cleaned, which has been subjected to the first and second cleaning processes in the first cleaning unit 1, is opened to the shutter 5, transferred to the second cleaning unit 2, and ejected as a third process. The nozzles 14 and 15 are used as the fourth step, and the spray nozzles 16 and 17 are used to perform a general cleaning process that is lighter than the case of the first cleaning unit 1 by spraying a liquid jet flow that does not mix powder and granular material. The procedure is performed twice to remove the remaining deposits accurately. Thereafter, the object to be cleaned 8 is transferred to the rinsing section 3, and in order to wash away foreign substances and particles adhered to the object to be cleaned 8 using the shower nozzles 18 to 21, rinsing with fresh water is performed as a fifth step. After that, the water is transferred to the draining section 4 and the draining process is performed as a sixth step using the gas jets from the air nozzles 22 and 23, thereby completing the intended entire cleaning process. Then, the object 8 to be cleaned after the completion of the entire cleaning process is appropriately carried out. Each of the nozzles 9 to 23 in the above-described embodiment is configured so as to be able to move vertically and horizontally as needed to perform the process. Also, the number of left and right installations can be increased or decreased depending on the case. Further, in the present embodiment, the first cleaning unit 1 and the second cleaning unit 2 are configured to take twice the processing time of the rinse cleaning unit 3 or the draining unit 4, but the first cleaning unit 1 and the second cleaning unit It is also possible to reduce the cleaning process for the object 8 to be cleaned in the cleaning unit 2 to one process at a time, and to configure all processes in the same processing time. Further, in order to reduce the amount of the cleaning liquid used in the first cleaning unit and the second cleaning unit as compared with the usage amount of the clean water used in the rinsing unit, the spray nozzles 9 to 17 suction the atmosphere to form droplets. It may be configured to inject a gas-liquid mixed flow in a shape.
[0008]
Next, the flow path of the cleaning liquid will be described. As shown in the drawing, in this embodiment, a water supply tank 24 for fresh water is disposed above the water draining section 4, and a line pump 26 is provided through a water supply pipe 25 via an appropriate valve such as an electromagnetic valve or a butterfly valve. Fresh water was supplied to the shower nozzles 18 to 21 of the rinsing section 3 to be used for rinsing. A guide plate 27 is disposed below the rinsing section 3 and the draining section 4, and used fresh water is collected in a storage tank. In this embodiment, the liquid level of the water supply tank 24 is adjusted by the ball tap 29, and the overflow liquid exceeding a predetermined liquid level is discharged through the drain pipe 30.
[0009]
The used fresh water collected in the storage tank 28 is supplied to high-pressure plunger pumps 34 to 37 for injection through a filter 33 by a line pump 32 via a liquid supply pipe 31, and the high-pressure plunger pumps 34 After increasing the pressure to a predetermined pressure by means of to 37, the liquid is supplied to the corresponding spray nozzles 14 to 17 of the second washing unit 2 through the high-pressure liquid supply pipes 38 to 41, respectively, so that the liquid jet stream which does not mix the powder and granules is provided. It was configured to be used for the entire cleaning by. Here, the filter 33 is provided to separate and remove fine foreign matters and protect the high-pressure plunger pumps 34 to 37. In this embodiment, as shown, a fresh water supply pipe 42 connected to the water supply tank 24 is connected upstream of the high-pressure plunger pumps 34 to 37. Further, pressure regulating valves 43 are disposed downstream of the high-pressure plunger pumps 34 to 37, respectively, and fresh water discharged by the pressure regulating action thereof is discharged to a drain pipe 44 and a drain pipe connected to the drain pipe 30, respectively. It was configured to be discharged through the liquid pipe 45. The overflow liquid exceeding a predetermined liquid level in the storage tank 28 is discharged via a drain pipe 46 connected to the drain pipe 30.
[0010]
Guide plates 47 and 48 are disposed below the first cleaning unit 1 and the second cleaning unit 2 as shown in the figure, respectively, and drive wheels 49 and driven wheels are disposed below the guide plates 47 and 48, respectively. A filtration filter 51 movably stretched between the filter 50 and the filter 50 is provided. Thus, the used cleaning liquid used in the second cleaning unit 2 is guided onto the filter for filtration 51 via the guide plate 48, and after removing foreign substances such as adhered substances that have been washed off, is disposed downward. It is collected in the installed storage tank 52. The used cleaning liquid collected in the storage tank 52 is supplied to the high-pressure plunger pumps 56 to 60 for injection through the filter 55 by the line pump 54 via the liquid supply pipe 53 in the same manner as described above. After the pressure is increased to a predetermined pressure by the high-pressure plunger pumps 56 to 60, the pressure is supplied to the corresponding injection nozzles 9 to 13 of the first cleaning unit 1 through the high-pressure liquid supply pipes 61 to 65, respectively. It is used for a strong cleaning process for firmly adhered stubborn deposits by a liquid jet formed by mixing powders supplied from a powder supply pipe not to be supplied. Here, the filter 55 is provided to separate and remove the powdery and granular materials and fine foreign matters that have not been removed by the filtering filter 51 and to protect the high-pressure plunger pumps 56 to 60. In the present embodiment, the amount of fresh water used in the rinsing unit 3 is larger than the amount of the cleaning liquid used in the first cleaning unit 1, and in the first cleaning unit 1, the spray nozzle is used from the second cleaning unit 2. , The amount of liquid used is large. For this reason, in order to use a part of the fresh water collected in the storage tank 28 in the first cleaning unit, the storage tank 52 is connected to the storage tank 28 via the supply pipe 66 to supply fresh water. It was configured to obtain. Further, the overflow liquid exceeding a predetermined liquid level in the storage tank 52 is discharged through a drain pipe 67 connected to the drain pipe 30. Downstream of the high-pressure plunger pumps 56 to 60, pressure regulating valves 68 are respectively disposed, and the cleaning liquid discharged by the pressure regulating action thereof is supplied to the drainage pipe 69 and the drainage connected to the drainage pipe 30, respectively. It was configured to be discharged through a pipe 45.
[0011]
A storage tank 70 is disposed below the filter 51 for filtration below the first washing unit 1, corresponding to the guide plate 47. The used cleaning liquid used in the first cleaning unit 1 is collected in the storage tank 70 after removing foreign substances such as deposits washed out by the filtration filter 51, and subjected to appropriate treatment as necessary. The waste is discharged outside through the drain pipe 71 and the drain pipe 30. In the drawing, reference numeral 72 denotes a storage tank for storing foreign substances such as deposits removed by the filter 51 for filtration. By the way, if powders and fine particles and fine foreign matter are completely removed from the waste liquid discharged from the drain pipe 30, it can be supplied to the water supply tank 24 for fresh water and reused.
[0012]
In the above embodiment, the object 8 to be cleaned is sequentially transferred to the first cleaning unit 1, the second cleaning unit 2, and the rinsing unit 3, and the intended cleaning process is performed intermittently. After that, water droplets adhered to the object to be cleaned 8 are removed in the draining section 4 and then carried out. In the first cleaning unit 1, the strong cleaning action by the liquid jet flow in which the powder and granules are mixed, which is jetted from the jet nozzles 9 to 13, firmly adheres to the object 8 to be cleaned. A focused cleaning process for the kimono is performed, and at that time, the used cleaning liquid used in the second cleaning unit 2 collected in the storage tank 52 is reused. In the second cleaning unit 2, the entire surface to be cleaned of the object 8 to be cleaned is cleaned by a lighter cleaning action by the liquid jet flow that is jetted from the jet nozzles 14 to 17 and that does not contain any particulate material. The processing is performed, and at that time, the used fresh water used in the rinsing washing section 3 collected in the storage tank 28 and the fresh water collected in the draining section 4 are reused.
[0013]
【The invention's effect】
According to the present invention, at least the first cleaning unit using the liquid jet flow in which the granular material is mixed is combined with the second cleaning unit using the liquid jet flow in which the granular material is not mixed. By the cleaning action, the stubborn deposits firmly adhered to the object to be cleaned can be mainly and more effectively removed, and the cleaning of the deposits remaining on the entire surface to be cleaned is performed in the second cleaning section. (1) Since the cleaning action is lighter than the cleaning section, sufficient cleaning can be performed while avoiding damage due to the cleaning action, so that the overall cleaning action is improved to be more efficient and accurate overall, and furthermore, rinsing is performed. In addition to the reuse of the fresh water recovered from the washing in the second washing section, the used washing liquid used in the second washing section can be reused in the first washing section. Also very much It is. If high-pressure plunger pumps are used in the first cleaning section and the second cleaning section and fresh water or cleaning liquid that has passed through the respective filters is supplied, strong cleaning by high-speed jet flow from these high-pressure plunger pumps is achieved. Action can be made permanent. Further, if the fresh water used in the rinsing washing section is reused in the first washing section, the effective use of the used fresh water is further promoted.
[Brief description of the drawings]
FIG. 1 is a circuit configuration diagram illustrating a circuit configuration relating to a cleaning liquid and fresh water in a cleaning apparatus according to an embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... 1st washing | cleaning part, 2 ... 2nd washing | cleaning part, 3 ... Rinsing washing | cleaning part, 4 ... Draining part, 5-7 ... Shutter, 8 ... Cleaning object, 9-17 ... Injection nozzle, 18-21 ... Shower nozzle, 22, 23 ... air nozzle, 24 ... water supply tank, 25 ... water supply pipe, 26 ... line pump, 27 ... guide plate, 28 ... storage tank, 29 ... ball tap, 30 ... drain pipe, 31 ... liquid supply pipe, 32 ... line Pump, 33 ... filter, 34-37 ... high-pressure plunger pump, 38-41 ... high-pressure supply pipe, 42 ... supply pipe, 43 ... pressure regulating valve, 44-46 ... drain pipe, 47, 48 ... guide plate, 49 ... drive wheel, 50 ... driven wheel, 51 ... filtration filter, 52 ... storage tank, 53 ... liquid supply pipe, 54 ... line pump, 55 ... filter, 56-60 ... high pressure plunger pump, 61-65 ... high pressure liquid supply Pipe, 66 ... Supply pipe, 67 ... Liquid pipe, 68 ... pressure regulating valve, 69 ... drain pipe, 70 ... storage tank, 71 ... drain pipe, 72 ... storage tank

Claims (3)

A first cleaning unit using a liquid jet stream containing at least powder and granules, a second cleaning unit using a liquid jet stream containing no powder and granules, and a rinsing unit using fresh water are provided along the conveyance path of the article to be cleaned. In addition, an injection nozzle for injecting the cleaning liquid to each of the cleaning units and a pump for pumping the cleaning liquid to the injection nozzle are provided, and the object to be cleaned is transferred to each of the cleaning units to perform a desired cleaning process. In the cleaning device, the clean water used in the rinsing section is used to remove foreign substances by a filter and reused as the cleaning liquid in the second cleaning section, and the cleaning liquid used in the second cleaning section is further filtered to remove foreign substances. A cleaning device configured to be reused as the cleaning liquid of the first cleaning unit. 2. The pump according to claim 1, wherein the pumps used in the first washing unit and the second washing unit are high-pressure plunger pumps, and the high-pressure plunger pumps are configured to be supplied with fresh water or washing liquid that has passed through a filter. The cleaning device according to the above. The cleaning device according to claim 1, wherein fresh water used in the rinsing cleaning unit is configured to be reused in the first cleaning unit.

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