JP2003023907A - Apparatus for egg washing and method for washing the apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent expansion of contamination to the whole apparatus caused by contamination of an egg inlet part by cleaning the egg inlet part which is most exceedingly contaminated in an egg cleaning apparatus. SOLUTION: This egg cleaning apparatus 10 is equipped with the egg inlet part 11 which sprays water on eggs and cleans and moistens eggshells, an egg cleaning part 12 for brushing the fed eggshells and an egg drying part 13 for sending air to the fed eggs and drying the eggshells. An overflow type water receiving tank 11c for receiving water sprayed on the eggs is arranged under a conveyor 11a of the egg inlet part 11 and a part of the conveyor 11a is driven in a state immersed in the water receiving tank 11c to remove dirt attaching itself to the conveyor 11a.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an egg washing device.

[0002]

2. Description of the Related Art An egg washing apparatus generally comprises an egg introducing section for spraying water onto the egg to wash and wet the egg shell, and an egg washing section for brushing the egg shell of the egg carried in from the egg introducing section with a washing brush. An egg drying section is provided for drying the eggshell by blowing air to the eggs carried in from the egg washing section.

The cleaning device of this type is for cleaning dirty eggs after spawning, and at the egg introduction part, it is easy to remove the dirt attached to the eggshell of the eggs by brushing in the cleaning part with water. While cleaning and moistening, remove the eggs that are extremely dirty and the eggs with damaged shells, and in the cleaning section, wash or not wash the eggs that have been selected and wet-treated in the egg introduction section with a cleaning brush. The dirt adhering to the eggshell is removed by brushing, and finally, in the egg drying section, the wet eggshell washed in the washing section is exposed to dry air to be dried. For this reason, in the egg washing apparatus of this type, the dirt removed from the egg shell easily adheres to each part of the apparatus, which causes contamination of many parts. In addition, the waste removed from the eggshell is directly or indirectly
It is recognized that it also causes the generation of various bacteria.

[0004]

DISCLOSURE OF THE INVENTION In the egg-washing apparatus of this type, the inventors of the present invention have contaminated the respective parts, and
As a result of diligently examining the occurrence of bacteria at each site, it is needless to say that the entire device must be constantly monitored for contamination and the occurrence of bacteria. Contamination of the entire equipment
It was also found that the occurrence of bacteria at a specific site was conspicuous, and that the bacteria occurring at this site caused a decrease in the degree of cleansing of eggs after washing.

The present invention is based on these findings, and its purpose is to provide an egg-washing device of the type:
At least, by cleaning or sterilizing a specific site with severe contamination and a site with severe bacteria generation, it is possible to prevent contamination of the egg of the entire device with dirt or bacteria, and
It is to prevent contamination of washed eggs by bacteria.

[0006]

The present invention relates to an egg washing apparatus and a method for washing the egg washing apparatus. An egg introducing section for spraying water onto eggs to wash and wet the eggshell, and an egg introducing section. The target is an egg-washing device that includes an egg-washing section that brushes the eggshells of eggs that have been brought in from the brush with a washing brush, and an egg-drying section that blows the eggs carried from the egg-washing section to dry the eggshells. .

Therefore, the first egg washing apparatus according to the present invention is an overflow type water receiving tank for receiving the water sprayed on the eggs, below the conveyor of the egg introducing section in the egg washing apparatus of the type. Is provided, and the conveyor is configured to be driven in a state where a part of the conveyor is immersed in the water receiving tank.

In the egg washing apparatus, a brush for cleaning the conveyor is arranged in the water receiving tank, and a drain hole is provided at the bottom of the water receiving tank, and the size of the drain hole is adjusted. It is configured such that the amount of water that is less than the amount of water that overflows from the water receiving tank is drained, and a filter that prevents the introduction of filth into the drain hole is provided in the water receiving tank. In this case, various configurations can be adopted, such as a configuration in which the water receiving tank is slidably arranged below the conveyor so that it can be taken in and out. In these cases, electrolyzed water such as electrolyzed alkaline water or electrolyzed acidic water can be used as the water to be sprayed onto the eggs.

Further, the second egg washing apparatus according to the present invention is provided with a washing means for injecting washing water into the egg drying section of the egg washing apparatus of the above-mentioned type, and the egg washing operation of the egg washing apparatus is completed. It is characterized in that the egg drying section can be washed later with washing water sprayed from the washing means. In the egg washing apparatus, it is possible to extend the washing means to the egg washing section and the egg introducing section so that the entire apparatus can be washed after the operation of the egg washing apparatus is finished. . In these cases, electrolyzed water such as electrolyzed alcal water or electrolyzed acidic water can be used as the wash water sprayed from the washing means.

Further, in the egg washing apparatus, three types of washing water, electrolyzed alcal water, electrolyzed acidic water and rinse water, are adopted as the washing water to be sprayed from the washing means. At the end of the operation, the electrolysis-generated alcal water, the electrolysis-generated acidic water, and the rinse water may be washed in this order.

The first washing method for washing the egg washing apparatus according to the present invention is the second egg washing apparatus according to the present invention, in which the egg shell is brushed in the egg drying section to assist the drying of the egg shell. In a cleaning device provided with a drying brush is a cleaning method for cleaning the egg drying section after the egg washing operation, in which the drying brush is rotationally driven at a lower speed than during the egg washing operation, during which,
It is characterized in that washing water is sprayed from the washing means in the order of electrolytically-generated alcal water, electrolytically-generated acidic water and rinse water, and after the water is stopped, the drying brush is rotationally driven at high speed.

A second cleaning method for cleaning the egg washing device according to the present invention is the second egg washing device according to the present invention, wherein the egg shell is brushed in the egg drying section to dry the egg shell. A method for cleaning the egg drying section and the egg cleaning section after the completion of an egg washing operation in a cleaning device comprising a drying brush to assist, and the cleaning means being extended to the egg cleaning section, wherein the egg cleaning is performed. Part drying brush and the egg washing part washing brush is rotationally driven at a lower speed than during egg washing operation, during which washing water is electrolytically generated alcal water from the washing means,
It is characterized in that the electrolytically generated acidic water and the rinsing water are sprayed in this order, and after the water is stopped, the drying brush and the cleaning brush are rotationally driven at a high speed.

[0013]

In the egg washing apparatus of the type to which the present invention is applied, the dirt attached to the eggshell is separated from the eggshell by the water sprayed while the eggs are located in the egg introduction section, The frequency of adhesion to the conveyor constituting the egg introduction section is high, and egg yolk or egg white often adheres to the conveyor due to damage to the egg, and the conveyor is most contaminated.

However, in the first egg washing apparatus according to the present invention, the conveyor, which is the most contaminated part of the egg washing apparatus, is configured to be driven while part of it is immersed in the water receiving tank. Therefore, the dirt and the like detached from the eggshell and attached to the conveyor fall off in the water in the water receiving tank while the conveyor is driven, and the conveyor is cleaned by cleaning the contaminated part and continues to be driven.

Therefore, in the egg washing apparatus, the egg introducing section is kept clean, and the dirt and the like separated from the egg shell at the egg introducing section are brought into the subsequent egg washing section and egg drying section. It is suppressed and the whole device is kept clean and does not adversely affect the washing of eggs.

In the egg washing apparatus, the conveyor can be further cleaned by arranging the washing brush for the conveyor near the conveyor on the downstream side of the water receiving tank. Further, if the water receiving tank is slidable and can be put in and taken out below the conveyor, the residual water in the water receiving tank after the operation of the egg washing device can be easily drained, and the water receiving tank itself. The cleaning process can be facilitated.

In the egg washing apparatus, a drainage hole is provided at the bottom of the water receiving tank to be used, and the size of the drainage hole is set so that a smaller amount of water than the amount of water overflowing from the water receiving tank is drained. If the configuration is adopted, the water in the water receiving tank can be automatically drained, and the water remaining in the water receiving tank can be drained within a predetermined time after the operation of the egg washing device is completed. it can. As a result, it is possible to prevent spoilage of filth in the water receiving tank and generation of sterilization due to forgetting to drain water remaining in the water receiving tank at the end of the operation of the egg washing device. In this case, it is preferable to dispose a filter in the water receiving tank to prevent the introduction of filth into the drain hole.

In these egg washing apparatuses, it is preferable to employ electrolytically generated alkaline water or electrolytically generated acidic water as the water to be sprayed onto the eggs at the egg introduction section. When electrolyzed alkaline water is used as the jet water, it is very effective in removing dirt and organic substances such as egg yolk and egg white adhering to the egg shell and the conveyor. Further, when electrolytically generated acidic water is used as the jet water, it has a great effect on sterilization of eggs, a water tank, a conveyor and the like.

In the second egg washing apparatus according to the present invention, the egg drying section, which is the portion that most affects the sterilized state of the washed egg in the egg washing apparatus, is washed. Therefore, the washed egg can be maintained in a highly clean state, which is sterile or nearly sterile.
In this case, if the washing means is extended to the egg washing section or the egg introducing section to wash the entire apparatus after the operation is completed, the entire apparatus can be maintained in a highly cleaned state.

In these egg washing apparatuses, three kinds of washing water, electrolyzed alcal water, electrolyzed acidic water, and rinse water, are used as washing water to be sprayed from the washing means, and the operation of the egg washing apparatus is completed. If you wash the electrolyzed alcal water, electrolyzed acidic water, and rinse water in this order, you can clean and sterilize the egg drying section or the contaminated part of the entire device in parallel. Alternatively, the clean state of the entire device can be maintained at a higher level.

Further, in the first cleaning method according to the present invention, the drying brush is driven to rotate at a lower speed than during the egg-washing operation for cleaning, and in the second cleaning method according to the present invention. , The drying brush and the washing brush are driven to rotate at a lower speed than during the egg washing operation to perform washing, so that the electrolytically-generated alcal water, electrolytically-generated acidic water, and rinsing water are sequentially added into the brush of the drying brush or the washing brush. Can increase the invasion of. As a result, it is possible to enhance the cleaning effect on a dry brush or a cleaning brush that is difficult to completely clean.

[0022]

DETAILED DESCRIPTION OF THE INVENTION The present invention will be described below with reference to the drawings. FIG. 1 schematically shows a first egg washing device according to the present invention. The egg washing apparatus 10 includes an egg introducing section 11 for spraying water onto the egg E to wash and wet the egg shell, and an egg introducing section 11
An egg washing section 12 for brushing the egg shell of the egg E carried in from above and an egg drying section 13 for drying the egg shell by blowing air to the egg E carried in from the egg washing section 12 are known. belongs to.

The egg washing apparatus 10 comprises a belt conveyor 14
The egg E conveyed by the belt conveyor 15a is provided with a preliminary step 15 for aligning the eggs E on the belt conveyor 15a. Are aligned to. The eggs E arranged in the preliminary step 15 are the egg introduction parts 11
It is loaded onto the belt conveyor 11a.

The egg introducing section 11 is provided with a shower device 11b on a belt conveyor 11a and a water receiving tank 11c which constitutes a main part of the present invention. The shower device 11b jets warm water in a shower shape and jets the hot water onto the egg E on the belt conveyor 11a. The hot water jetted onto the egg E is received by the water receiving tank 11c and stored in the water receiving tank 11c. It The water receiving tank 11c is of an overflow type and always stores a predetermined amount of hot water to be injected. The belt conveyor 11a has an endless belt shape, and is arranged so that the lower portion in the state of being circulated and driven is immersed in the water receiving tank 11c.

The egg cleaning section 12 is provided with a plurality of cleaning brushes 12b above the belt conveyor 12a. The egg E carried into the belt conveyor 12a via the belt conveyor 11a of the egg introducing section 11 is a cleaning brush. Wash with 12b. The egg shell of the egg E carried onto the belt conveyor 12a has been washed and wet in the egg introducing section 11, and the dirt remaining in the egg shell can be easily removed by brushing with the cleaning brush 12b. The configuration and function of the egg washing unit 12 are known, and the belt conveyor 12a conveys the egg E from which the dirt remaining in the egg shell is removed onto the belt conveyor 13a of the egg drying unit 13.

The egg drying section 13 includes a drying brush 13b and a drying fan 13c above the belt conveyor 13a, and a drying blower 13d above the belt conveyor 13a. In the egg drying section 13, the belt conveyor 1 is brushed by the cleaning brush 12b.
The eggs E carried onto the 3a are dried by the drying blower 13d and brushed by the drying brush 13b to make the eggshell completely dried. The configuration and function of the egg drying unit 13 are known, and the egg shell dried eggs E are transported to the packing step as cleaned eggs. The cleaned egg E is stored in a container and shipped in a cleaned state in the packing process.

By the way, in the egg washing apparatus 10,
Most of the dirt attached to the egg shell separates from the egg shell while the egg E is located in the egg introduction section 11, so the dirt often adheres to the belt conveyor 11a forming the egg introduction section 11, In addition, egg E is attached to the belt conveyor 11a.
Egg yolk and egg white are often attached due to the damage of
The belt conveyor 11a is most heavily contaminated.

However, in the egg washing apparatus 10, since the belt conveyor 11a, which is the most contaminated part of the apparatus, is configured to be driven while part of it is immersed in the water receiving tank 11c, the egg shell The dirt or the like that is detached from the belt conveyor 11a and adheres to the belt conveyor 11a is dropped in the warm water in the water receiving tank 11c while the belt conveyor 11a is driven, and the belt conveyor 11a is sequentially cleaned at the contaminated portion and is driven. continue.

Therefore, in the egg washing device 10,
The egg introduction part 11 is always kept clean, and the filth separated from the egg shell at the egg introduction part 11 is not brought into the subsequent egg washing part 12 and egg drying part 13, and the entire device is kept clean. In addition, the cleaning of the egg E is not adversely affected.

In the egg washing apparatus 10, the water receiving tank 11
c, for example, the belt conveyor 11 on the downstream side thereof.
The cleaning brush for the belt conveyor 11a can be arranged in the vicinity of "a", whereby the belt conveyor 11a can be further cleaned.

The water receiving tank 11c is a belt conveyor 11
The water receiving tank 11c can be slid below the belt conveyor 11a so that the water receiving tank 11c can be put in and taken out under the belt conveyor 11a. This makes it possible to easily drain hot water remaining in the water receiving tank 11c after the operation of the egg washing device 10 is finished, and also to facilitate the cleaning process of the water receiving tank 11c itself.

Further, in the egg washing apparatus 10 shown in FIG.
As shown in, the drain hole 1 is provided at the bottom of the receiving tank 11c to be used.
It is possible to adopt a configuration in which 1d is provided and the size of the drain hole 11d is set to a size at which a smaller amount of water is drained than the amount of water overflowing from the water receiving tank 11c. With such a configuration, the hot water in the water receiving tank 11c can be automatically drained, and the hot water remaining in the water receiving tank 11c can be drained within a predetermined time after the egg washing operation of the egg washing apparatus 10 is completed. Can be completed.

As a result, it is possible to prevent spoilage of filth and generation of sterilizers in the water receiving tank 11c due to forgetting to drain hot water remaining in the water receiving tank 11c at the end of the egg washing operation in the egg washing apparatus 10. . In this case, the water receiving tank 11
It is preferable to dispose a filter for preventing the introduction of filth into the drain hole 11d in c. For example, as shown in FIG. 2, it is preferable to attach a filter 11e to the drain hole 11d. .

In the egg washing apparatus 10, as the water to be sprayed onto the eggs in the egg introducing section 11, electrolytically generated alkaline water or electrolytically generated acidic water can be used instead of mere warm water. When the electrolytically generated alkaline water is used as the jet water, the high cleaning action of the electrolytically generated alkaline water can more effectively remove the dirt and organic substances such as egg yolk and egg white adhering to the egg shell and the belt conveyor 11c. Also,
When electrolytically generated acidic water is used as the jet water, the egg shell, the conveyor belt 11a, the water receiving tank 11c, etc. are effectively sterilized, and there is no possibility that the bactericide remains.
When the electrolyzed water is sprayed on the eggs, the eggs are washed with the electrolyzed water, so that the surface of the eggshell becomes smooth and shiny.

FIG. 3 shows a second egg washing device 20 according to the present invention.
Is shown. The egg washing apparatus 20 has basically the same configuration as the first egg washing apparatus 10 shown in FIG. 1, and the first egg washing apparatus 10 is provided with a washing apparatus for washing the egg drying section. It is added.

The egg washing device 20 is the first egg washing device 10
In the same manner as the above, the egg introduction part 21 for spraying water onto the egg E to wash and wet the egg shell, the egg washing part 22 for brushing the egg shell of the egg E carried in from the egg introduction part 21, and the egg washing part 22 carried in. It is provided with an egg drying section 23 for blowing the dried eggs to dry the eggshells, a belt conveyor 24 for transporting the eggs E from the poultry house, and a preliminary step 25. Egg introduction part 2
1, egg washing section 22, egg drying section 23 and preliminary step 25
Is basically the egg introduction part 11 of the first egg washing device 10,
Since the egg washing section 12, the egg drying section 13, and the preliminary step 15 are configured in the same manner, the same components constituting these are denoted by similar reference numerals in the 20s and detailed description thereof will be omitted.

Therefore, in the egg washing device 20,
The egg drying section 23 is provided with a cleaning means 26. Cleaning means 2
6 includes a shower device 26a arranged above the drying fan 23c of the egg drying section 23. Shower device 26
A supply pipe line 26b to which the cleaning water is supplied is connected to a. The supply pipe line 26b branches into three branch pipe lines 26b1 to 26b3 via a switching valve 26c. Each of the branch pipe lines 26b1 to 26b3 is connected to a different type of washing water supply source. In the egg washing device 20, the sources of electrolyzed alkaline water, electrolyzed acidic water, and tap water are connected.

In the egg washing apparatus to which the present invention is applied, the egg drying section 23, which is the final step, is the portion that most affects the sterilized state of the washed egg. In the egg washing apparatus 20, the washing means 26 is provided in the egg drying section 23, and the egg drying section 23 is washed with three different types of washing water, which are electrolytically-generated alkaline water, electrolytically-generated acidic water, and tap water. It takes a means to perform high-level cleaning.
The specific cleaning procedure of the egg drying section 23 is as shown in the flowchart of FIG. 4, for example.

The egg drying unit 23 is washed by the egg washing apparatus 20.
Is performed after the egg washing operation is finished, and when the egg washing apparatus 20 is stopped after the egg washing operation is finished, it is started by operating a washing start switch (not shown) provided in the egg washing apparatus 20. When the cleaning start switch is operated, the drying brush 23b
Is driven to rotate, and the electrolytically generated alkaline water is jetted from the shower device 26a.
The drying fan 23c, the drying brush 23b, and the belt conveyor 23a are sprayed from above to wash them with an alkali, and after a lapse of a predetermined time, the switching valve 26c is switched and the electrolytically generated acidic water is sprayed from the shower device 26a.

The electrolyzed acidic water thus jetted is jetted onto the drying fan 23c, the drying brush 23b, and the belt conveyor 23a, which have been alkali-washed, from above to sterilize and wash them, and after a lapse of a predetermined time, the switching valve 26c is further changed. After switching, tap water is jetted from the shower device 26a. The sprayed tap water is sterilized and washed by a drying fan 23c,
The drying brush 23b and the belt conveyor 23a are sprayed from above to rinse and wash them. Then, the injection of tap water is stopped, the drying fan 23c is driven, the whole of the egg drying section 23 is dried by the air blown by the drying fan 23c, and the washing of the egg drying section 23 is completed.

In the washing operation of the egg drying section 23, the drying brush 23b is lower than the rotation speed (eg, 285 rotations / minute) during the egg washing operation (eg, 48 rotations / minute) while the washing water is being sprayed. While the drying fan 23c is driven after the cleaning water is stopped, the rotation speed is higher than that during the cleaning water is sprayed (for example, 285 rpm).

As a result, a series of washing of the egg drying section 23 is completed, the egg drying section 23 is maintained in an extremely clean state for hygiene, and waits until the next egg washing operation. Therefore, in the next egg washing operation, the problematic Salmonella bacteria will not be present on the eggshell of the egg at the end of egg washing, and the presence of general bacteria will be none or nearly none. The egg drying unit 23
In the washing after the end of the egg washing operation, warm water can be used as the rinse water, and warm water obtained by heating the electrolytically generated alkaline water can also be used.

In the egg washing apparatus 20, it is also preferable that the washing after the egg washing operation is performed not only in the egg drying section 20 but also in the entire apparatus. In this case, a shower device similar to the shower device 26a is provided in the egg washing unit 22, and the supply pipe line 26b having the switching valve 26c is extended to the shower device and the shower device 21b of the egg introducing unit 21. Means for connecting each can be adopted.

By the way, in the washing operation of the egg drying section 23, the drying brush 23c is rotationally driven at a lower speed than during the egg washing operation to perform washing, and electrolytically generated alcal water, electrolytically generated acidic water, which are sequentially applied, The invasion of the rinse water drying brush 23c is enhanced. As a result, it is possible to enhance the cleaning effect on a dry brush or a cleaning brush that is difficult to completely clean. Further, in the washing operation of the egg drying unit 23, the drying brush 23c is rotationally driven at a high speed in the drying by blowing air, which can accelerate the drying of the drying brush 23c.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram schematically showing a first egg washing device according to the present invention.

FIG. 2 is a schematic perspective view showing an example of a water receiving tank that constitutes the egg washing apparatus.

FIG. 3 is a schematic configuration diagram schematically showing a second egg washing device according to the present invention.

FIG. 4 is a flowchart showing a procedure for washing an egg drying unit in the egg washing apparatus.

[Explanation of symbols]

10, 20 ... Egg-washing device, 11, 21 ... Egg introduction part, 11
a, 21a ... Belt conveyor, 11b, 21b ... Shower device, 11c, 21c ... Water receiving tank, 11d ... Drain hole, 1
1e ... filter, 12, 22 ... egg washing part, 12a, 2
2a ... belt conveyor, 12b, 22b ... cleaning brush,
13, 23 ... Egg drying section, 13a, 23a ... Belt conveyor, 13b, 23b ... Drying brush, 13c, 23c ... Drying fan, 13d, 23d ... Drying blower, 14, 24
... Belt conveyor, 15, 25 ... Preliminary process, 15a, 2
5a ... Belt conveyor, 15b, 25b ... Brush, 15
c, 25c ... Alignment plate, 26 ... Cleaning means, 26a ... Shower device, 26b ... Supply pipeline, 26b1, 26b2, 26b
3 ... Branch pipe, 26c ... Switching valve.

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) B08B 3/08 B08B 3/14 3/14 7/04 A 7/04 A23B 5/00 Z F term (reference) ) 3B116 AA42 AA47 AB14 AB53 BA02 BA12 BB03 BB21 BB82 CC03 CD22 CD23 CD24 3B201 AA42 AA47 AB14 AB53 BA02 BA12 BB03 BB04 BB21 BB82 BB92 BB96 CC12 CD22 CD23 CD24

Claims (12)

[Claims] 1. An egg introduction part for spraying water onto an egg to wash and wet the eggshell, an egg washing part for brushing the eggshell of the egg carried in from the egg introduction part with a washing brush, and an egg washing part carried in from the egg washing part. In an egg washing device including an egg drying unit that blows eggs to dry the eggshell, an overflow type water receiving tank for receiving water sprayed on the eggs is disposed below the conveyor of the egg introduction unit, and An egg washing apparatus characterized in that the conveyor is configured to be driven while a part of the conveyor is immersed in the water receiving tank. 2. The egg washing apparatus according to claim 1, wherein a brush for washing the conveyor is arranged in the water receiving tank. 3. The egg washing apparatus according to claim 1, wherein a drain hole is provided at the bottom of the water receiving tank, and the size of the drain hole is smaller than the amount of water overflowing from the water receiving tank. The egg washing device is characterized in that it is dimensioned so that the water of the above can be drained. 4. The egg washing apparatus according to claim 3, wherein a filter for preventing the introduction of waste into the drain hole is provided in the water receiving tank. 5. The egg washing apparatus according to claim 1, 2, 3 or 4, wherein the water receiving tank is of a slide type and is arranged below the conveyor so that it can be taken in and out. apparatus. 6. The egg washing apparatus according to claim 1, 2, 3, 4 or 5, wherein electrolyzed alkaline water or electrolyzed acidic water is adopted as water to be sprayed onto the eggs. Egg equipment. 7. An egg introduction part for spraying water onto the eggs to wash and wet the eggshell, an egg washing part for brushing the eggshell of the eggs carried in from the egg introduction part with a washing brush, and an egg washing part carried in from the egg washing part. In an egg washing apparatus provided with an egg drying section for blowing eggs to dry the eggshell, a washing means for spraying washing water on the egg drying section is provided, and the egg drying section is operated after the egg washing operation of the egg washing apparatus. An egg washing device characterized in that it can be washed with washing water sprayed from the washing means. 8. The egg washing apparatus according to claim 7, wherein the washing means is extended to the egg washing section and the egg introducing section, and the entire portion of the egg washing apparatus is washed after the operation of the egg washing apparatus is completed. An egg washing device characterized by being configured as possible. 9. The egg washing apparatus according to claim 7, wherein electrolysis-generated alcal water or electrolysis-generated acidic water is used as the washing water sprayed from the washing means. 10. The egg washing apparatus according to claim 7 or 8, wherein electrolysis-generated alcal water, electrolysis-generated acidic water and rinse water are adopted as the washing water sprayed from the washing means. An egg washing apparatus characterized by washing in the order of electrolyzed alcal water, electrolyzed acidic water, and rinse water after the end of the egg washing operation. 11. The egg washing apparatus according to claim 7, wherein the egg drying section is provided with a drying brush for brushing the eggshell to assist in drying the eggshell, after the egg washing operation is completed. It is a cleaning method for cleaning the drying section, in which the drying brush is rotationally driven at a lower speed than during the egg washing operation, and during this time, cleaning water is sprayed from the cleaning means in the order of electrolytically-generated alcal water, electrolytically-generated acidic water, and rinse water. A method for cleaning an egg washing device, comprising rotating the drying brush at high speed after stopping water. 12. The egg washing apparatus according to claim 7, wherein the egg drying section is provided with a drying brush for brushing the eggshell to assist in drying the eggshell, and the washing means is provided in the egg washing section. In the extended cleaning device, a method of cleaning the egg drying unit and the egg cleaning unit after the egg cleaning operation is completed, wherein the drying brush of the egg cleaning unit and the cleaning brush of the egg cleaning unit are operated during the egg cleaning operation. It is rotationally driven at a low speed, during which cleaning water is sprayed from the cleaning means in the order of electrolytically-generated alcal water, electrolytically-generated acidic water and rinse water, and after the water is stopped, the drying brush and the cleaning brush are rotationally driven at a high speed. A method for cleaning a characteristic egg-washing device.