Dirt removal and cleaning method for objects to be cleaned

Abstract

To provide a cleaning method capable of improving cleaning effect by easily and reliably applying physical force using water and oil without using a large amount of cleaning solvent, even when cleaning an object to be cleaned requires cleaning with particularly strong physical force. [Solution] The object to be cleaned 7, which has been heated to 100°C or higher, is immersed in heated water 4 mixed with abrasives 6. When the object to be cleaned 7 comes into contact with the heated water 4, the pressure of the steam generated and the abrasives 6 come into contact with the object to be cleaned physically remove dirt adhering to the object to be cleaned 7.

Description

[Technical Field]

[0001] The present invention relates to a cleaning method for removing dirt adhering to objects to be cleaned, such as machine parts, electronic parts, and medical equipment. [Background technology]

[0002] When manufacturing industrial products made of metals, ceramics, resins, etc., heat is generated during processing such as pressing and cutting, so it is common to cool the materials using processing oil. Therefore, when such processing is performed, oil, cutting chips, and other contaminants adhere to the industrial products to be cleaned in this application, and these must be removed. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. H05-004077

[0004] Conventionally, when cleaning such objects, it has been common to use large amounts of cleaning solvents, as shown in Patent Document 1. However, the use of such large amounts of cleaning solvents has led to photochemical smog, ozone layer depletion, soil contamination, and other public hazards. Furthermore, since the use of CFC-113,1.1.1-trichloroethane was completely phased out worldwide in 1995, reducing carbon dioxide emissions has become a global issue in recent years. In order to solve these problems, it is necessary to significantly reduce the amount of cleaning solvent used during cleaning. DISCLOSURE OF THE INVENTION [Problem to be solved by the invention]

[0005] However, in the currently common cleaning methods for removing grease, carbon, water-soluble cutting oil, and even scale and deburring, particularly strong physical forces may be required, and even if a large amount of solvent is used, it has been difficult to achieve a sufficient effect in cleaning that requires such strong physical forces.

[0006] Therefore, the present invention aims to solve the above-mentioned problems and to provide a cleaning method that can easily and reliably achieve cleaning effects without using a large amount of cleaning solvent, even when cleaning with particularly strong physical force is required. [Means for solving the problem]

[0007] In order to solve the above problems , originated from The method involves a first cleaning process in which an object to be cleaned, with water attached to it, is brought into contact with heated oil heated to 100°C or higher, and the water attached to the object comes into contact with the heated oil, causing the pressure of the steam generated to physically peel off the dirt attached to the object and heat the object to 100°C or higher; and after the first cleaning, the object is immersed in heated water mixed with an abrasive, causing the pressure of the steam generated when the object comes into contact with the heated water and the abrasive to physically peel off the dirt remaining on the object to be cleaned by the first cleaning. As described above, by successively performing the first cleaning with heated oil and the second cleaning with heated water and an abrasive, it is possible to further enhance the cleaning effect of the object to be cleaned.

[0008] The heated oil may also contain an abrasive. By mixing an abrasive into the heated oil in this way, for example, by bringing an object to be cleaned with water attached thereto into contact with heated oil heated to 100°C or higher, the dirt attached to the object to be cleaned can be physically removed by the pressure of the steam generated when the water attached to the object to be cleaned comes into contact with the heated oil. At this time, the contact of the object to be cleaned with the abrasive mixed in the heated oil becomes significant, so it is possible to further improve the effect of physically removing the dirt attached to the object to be cleaned. [Effects of the Invention]

[0009] The present invention As described above, the essential requirement of this method is that the object to be cleaned, which has been heated to 100°C or higher, is immersed in heated water mixed with an abrasive, and the pressure of the steam generated when the object comes into contact with the heated water and the contact of the abrasive with the object physically removes the dirt adhering to the object. In this way, by using two different physical removal methods, the pressure of the steam and the contact of the abrasive, it is possible to quickly and effectively remove stubborn oil stains, burrs, scale, and other dirt that are attached to the object and require strong physical cleaning and are difficult to remove with chemical cleaning.

[0010] Also a book Vows The method involves successively performing a first cleaning, in which dirt adhering to the object to be cleaned is physically peeled off by the pressure of steam generated when water adhering to the object comes into contact with the heated oil, and a second cleaning, in which dirt remaining on the object to be cleaned by the first cleaning is physically peeled off by the pressure of steam generated when the object to be cleaned comes into contact with the heated water and the contact of the abrasive with the object to be cleaned.In this way, the object to be cleaned is heated to a temperature higher than 100°C by heated oil, and the first cleaning is performed as a peeling cleaning before cleaning with the heated water and abrasive.By performing physical peeling cleaning twice in succession by the pressure of steam and the contact of abrasive, it is possible to further enhance the cleaning effect of the heated water and abrasive.

[0011] In recent years, the business of grilling food on a grill, such as yakiniku and barbecues, has become popular in the food and beverage industry. In such businesses, it has been common to wash used grills and jigs that have been stained with meat oil by hand, scrubbing them with a scrubbing brush, which makes the cleaning process both cumbersome and costly. Vows By cleaning the net or jig using the cleaning method described above, it is possible to easily and reliably peel off and clean the oil and dirt adhering to the used net or jig. VowsSince no cleaning solvent is required, it is ideal for safe use in cleaning tools used when handling food, such as grills and jigs, as described above. [Brief explanation of the drawings]

[0012] [Figure 1] FIG. 1 is a conceptual diagram of a first embodiment of the present invention. Example 1

[0013] Book The invention in question Execution Example 1 in Figure 1 The heated water tank (41) is provided with a first heater (42) and a first temperature sensor (43) therein. Figure 1 As shown, an agitator (44) is provided at the tip of the shaft with an agitating blade, which can agitate the liquid in the heated water tank (41).

[0014] The heated water tank (41) contains heated water (45) heated by the first heater (42), and the heated water (45) is heated to a predetermined temperature of 100°C or less by the first temperature sensor (43). Abrasive material (46) is mixed into the heated water (45). The abrasive material (46) may be fine grains or small pieces of wood, rubber, glass, plastic, metal, or the like, and may be selected appropriately depending on the purpose. By operating the agitator (44), the abrasive material (46) can be uniformly dispersed in the heated water (45).

[0015] Also Figure 1 As shown, a heating oil tank (47) is provided adjacent to the heating water tank (41). The heating oil tank (47) contains heating oil (48) having a boiling point exceeding 100°C. A second heater (51) and a second temperature sensor (51) are disposed in the heating oil tank (47), and the second heater (51) and the second temperature sensor (51) constantly maintain the heating oil (48) at a temperature equal to or higher than 100°C and lower than the boiling point of the heating oil (48).

[0016] In addition, in the heating oil tank (47), Figure 1 As shown in the figure, the tip of the shaft is provided with an agitator (50) that can agitate the heated oil (48) in the heated oil tank (47), and abrasive material (49) is mixed into the heated oil (48). The abrasive material (49) can be fine grains or small pieces of wood, rubber, glass, plastic, metal, etc., and can be selected appropriately depending on the cleaning purpose. By operating the agitator (50), the abrasive material (49) can be uniformly dispersed in the heated oil (48).

[0017] The heated water tank (41) also includes: Figure 1 As shown in the figure, a separator (53) is connected. That is, one end of a first pipe (56) is connected to the opening (59) of the heated water tank (41), and the other end of the first pipe (56) is connected to the separator (53). The separator (53) is capable of separating the water (54) and the oil (55) contained in the liquid transferred from the heated water tank (41). The water (54) separated by the separator (53) can be returned to the heated water tank (41) through the second pipe (57), and the oil (55) separated by the separator (53) can be returned to the heated oil tank (47) through the third pipe (58).

[0018] A method for washing the object (60) using the washing device (40) configured as described above will be described below. First, the first washing of this embodiment will be described. Water is applied to the object (60) by immersing the object (60) in water in a water tank (not shown) or by spraying shower water onto the object (60), and the object (60) is then immersed in heated oil (48) in the heated oil tank (47) in this state. By immersing the object (60) with water applied thereto in heated oil (48) at 100°C or higher, the water on the object (60) instantly evaporates when it comes into contact with the heated oil (48).

[0019] Therefore, the pressure of the steam generated during the instantaneous evaporation of the water physically peels off the dirt adhering to the object to be cleaned 60. At this time, since the abrasive material 49 is mixed into the heated oil 48, the water adhering to the object to be cleaned 60 as described above instantaneously evaporates, and the heated oil 48 becomes fluid with the instantaneous evaporation of the water, so that the abrasive material 46 comes into contact with the object to be cleaned 60 intensively.

[0020] In this embodiment, the abrasive material 46 is mixed into the heated oil 48 as described above. However, in other embodiments, the present invention is not limited to this, and physical peeling may be performed only by steam pressure in the heated oil tank 47 without mixing the abrasive material 46 into the heated oil 48.

[0021] Therefore, even when the abrasive (46) violently contacts the object (60), it is possible to physically peel off and remove dirt adhering to the object (60). Therefore, in this cleaning method, two different forces are used: a physical force due to the pressure caused by the instantaneous evaporation of the heated water (45), and a physical force caused by the violent contact of the abrasive (49) with the object (60) that is generated at the same time. This makes it possible to powerfully remove dirt, burrs, scale, etc. adhering to the object (60). Furthermore, by immersing the object (60) in the water as described above, it is possible to heat the temperature of the object (60) to 100°C or higher.

[0022] After the first cleaning is completed, the second cleaning is performed. To explain the second cleaning, the object (60) to be cleaned, which has been heated to 100°C or higher, is first removed from the heated oil tank (47) and immersed in the heated water (45) in the heated water tank (41). By immersing the object (60) heated to 100°C or higher in the heated water (45), the heated water (45) that comes into contact with the object (60) instantaneously evaporates. Therefore, the pressure of the steam generated during the instantaneous evaporation of the heated water (45) physically peels off dirt adhering to the object (60).

[0023] Furthermore, since the heated water (45) contains abrasives (46), the heated water (45) becomes fluid due to the instantaneous evaporation of water, and the abrasives (46) come into vigorous contact with the object (60). Therefore, the vigorous contact of the abrasives (46) with the object (60) can also physically peel off and remove dirt adhering to the object (60). Therefore, in the second cleaning, two different forces, namely, the physical force due to the pressure caused by the instantaneous evaporation of the heated water (45) and the physical force caused by the vigorous contact of the abrasives (46) with the object (60), can powerfully remove dirt, burrs, scale, and the like adhering to the object (60) that could not be completely removed in the first cleaning.

[0024] In this way, after the first cleaning is performed twice at the same time using different physical forces, the second cleaning is performed twice at the same time using different physical forces, which further improves the effect of removing dirt, burrs, and scale from the object (60) to be cleaned. [Explanation of symbols]

[0025] 4 5 Heated water 4 6,49 Abrasives 6 0 Items to be washed 4 8 heating oil

Claims

1. A method for removing and cleaning dirt from an object to be cleaned, comprising: a first cleaning step in which the object to be cleaned, having water attached thereto, is brought into contact with heated oil heated to 100°C or higher, and the water attached to the object to be cleaned comes into contact with the heated oil, thereby physically removing dirt attached to the object to be cleaned and heating the object to 100°C or higher by the pressure of steam generated when the water attached to the object to be cleaned comes into contact with the heated oil; and a second cleaning step in which, after the first cleaning step, the object to be cleaned is immersed in heated water mixed with an abrasive, and the pressure of steam generated when the object to be cleaned comes into contact with the heated water and the abrasive comes into contact with the object to be cleaned physically removes dirt remaining on the object to be cleaned by the first cleaning step.

2. 2. The method for removing dirt from and cleaning an object to be cleaned according to claim 1, wherein an abrasive is mixed into the heated oil.

Images