JP4864856B2 - Hot water sterilizer and its usage - Google Patents

Description

  The present invention relates to a hot water sterilizer that can quickly sterilize or disinfect an empty container for storing and transporting onions, potatoes, and the like without using chemicals, and a method of using the same.

Conventionally, harvested agricultural products are stored in containers from each producer and carried to a collection place or storage, and empty containers are returned to the producers.
Each container returned to the producer does not always return the same container that the producer brought in, so if disinfection is not performed at the time of return, bacteria and insects are widely distributed through the container. There is also a risk of spreading to other producers.

Therefore, it is necessary to sterilize the container. Conventionally, the container is generally sterilized by immersing it in water in which chemicals are dissolved.
However, in this method, if the container after disinfection is left open, the chemicals flow down to the container due to rain, etc., flow down into the soil, or accumulate in the soil or flow into rivers, rivers, etc. There was a risk of inviting.
In addition, there is a risk that the chemicals attached to the container may adhere to the agricultural products and cause food contamination.
In addition, there was a problem with wastewater treatment of water containing chemicals that sterilized containers.

As a prior document, for example, there is Patent Document 1. Patent Document 1 performs deodorization sterilization of a refrigerated container using low-concentration ozone.
Japanese Patent Laid-Open No. 10-165487

As mentioned above, if the container is not sterilized, bacteria and insects may spread to other producers through the container, and the method of disinfecting the container using chemicals is Contamination, drinking water, food contamination, and wastewater treatment problems may occur.
In addition, patent document 1 has the problem that installation cost, such as an ozone generator, requires monitoring of ozone concentration and sterilization time.

  In view of the above situation, the present invention provides a hot water sterilization apparatus and a method of using the same for quickly sterilizing or disinfecting a container for storing and transporting onions and potatoes without using chemicals. The purpose is to provide.

In order to solve the above problems, the present invention provides the following configurations.
The invention according to claim 1 is composed of an upwardly open casing in which the front , rear, left , right, and side surfaces and the bottom surface are thermally insulated, and is divided into a first hot water sterilization tank and a second hot water sterilization tank by a middle partition plate at right and left at a substantially central portion. Tank and
A support guide which is erected along the rear wall in the first hot water sterilization tank and the second hot water sterilization tank, extends above the rear wall, and guides the container from above into the first hot water sterilization tank and the second hot water sterilization tank. When,
A pan-shaped pan body (and a standing part standing upright from the four corners of the bread body, and a pan with a standing part detachably installed in the tank;
A heat retention cap that detachably covers the upper end of the tank;
Water supply means for supplying water to the tank;
A hot water sterilizer comprising steam supply means for supplying steam to the tank,
The upper part of the intermediate partition plate is formed with an overflow part for overflowing water of a predetermined water level or more from the first hot water sterilization tank to the second hot water sterilization tank,
The hot water sterilizer is provided with a silencer that silences the steam supply sound when supplying steam at the supply tip of the steam supply means.

According to a second aspect of the present invention, when the pan with the upright portion is installed in the tank, the extended portion of the pan with the upright portion extends further upward than the upper end of the tank. An engaging portion for conveying the pan with the upright portion is formed on the extended portion, and on the other hand, the engaging portion is provided with a locking portion that can be locked, and a pawl of a forklift The bread attachment provided with the insertion / removal hole which can be freely inserted or removed is provided as an accessory, and the pan with the standing portion is conveyed by the pan attachment . A hot water sterilizer is provided.

  According to a third aspect of the present invention, the silencer is formed of a double pipe composed of a steam pipe tip part for ejecting steam and an outer pipe covering the front and rear of the steam pipe tip part with a predetermined distance therebetween, The hot water sterilizer according to claim 1 or 2, wherein the steam pipe tip has a tip notched downward.

According to a fourth aspect of the present invention, there is provided a base on which one or a plurality of containers are placed, a standing part that is fixedly attached to one end of the base, and a base that is fixed to an upper end of the standing part. An upper end extending in the same direction, and a container attachment in which an insertion / removal hole for inserting / removing a forklift claw is formed as an accessory at the upper end, and the container is conveyed by the container attachment, The hot water sterilizer according to any one of claims 1 to 3, characterized in that the container is immersed in a pan with the upright portion installed in a tank. It is.

Invention relates to a method of using the hot water sterilization apparatus according to claim 4, by inserting the claw of a forklift to insertion and removal hole of the pan attachment mounting said pan attachment, engagement of the pan attachment according to claim 5 Engage the stop part with the engaging part of the pan with the standing part, and attach the pan with the standing part,
The pan with the standing portion is installed in the first hot water sterilization tank by the guide of the support guide, and the engagement portion of the pan attachment is disengaged from the engaging portion of the pan with the standing portion , Separate the pan with the upright part ,
In the same manner, other pans with standing parts are installed in the second hot water sterilization tank,
Supplying water into the first hot water sterilization tank and the second hot water sterilization tank;
Next, a forklift claw is inserted into an insertion / removal hole of the container attachment on which an empty container is placed, and the container attachment is attached to the forklift,
The container is immersed in the first hot water sterilization tank with the guide of the support guide together with the container attachment, the forklift claw is removed from the insertion / removal hole of the container attachment, and the container attachment is separated from the forklift,
Similarly, immerse other containers in the second hot water sterilization tank,
Steam is supplied into the first hot water sterilization tank and the second hot water sterilization tank by the steam supply means to heat the water in the tank to a predetermined temperature, and after a predetermined time, the first hot water sterilization tank And the usage method of the hot water sterilizer characterized by each pulling up the said container from the said 2nd hot water sterilization tank is provided.

The invention according to claim 6 is a method of using the hot water sterilization apparatus according to any one of claims 1 to 4, wherein the first hot water sterilization tank and the second hot water sterilization tank are respectively installed upright. A pan with a part is installed, and water is supplied to the first hot water sterilization tank to the vicinity of the overflow part, and water is supplied to the second hot water sterilization tank so as to have a predetermined water level lower than that of the first hot water sterilization tank. Then, the container is immersed in the first hot water sterilization tank to cause the water in the first hot water sterilization tank to overflow from the overflow portion to the second hot water sterilization tank, and then another container is placed in the second hot water sterilization tank. The present invention provides a method for using a hot water sterilizer characterized by being immersed.

According to the first aspect of the present invention, a hot water sterilization apparatus that can quickly sterilize or disinfect an empty container for storing and transporting onions and potatoes without using chemicals. Can be provided.
Moreover, the first hot water sterilization tank can be adjusted to a predetermined water level by the overflow part, and the water level of the second hot water sterilization tank can be easily adjusted according to the water level of the first hot water sterilization tank.
Furthermore, the silencer can mute the steam supply sound and reduce the volume during operation of the apparatus.

According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, the first hot water sterilization tank and the second hot water sterilization tank are held by holding the pan with the standing portion by the pan attachment and transporting it by the forklift. A drain pan can be installed and removed from the tank.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 1 or 2, the double pipe can enhance the silencing effect, and the tip of the steam pipe tip is notched downward. As a result, the steam can be ejected laterally, the surrounding hot water can be agitated, and the heating effect by the steam can be enhanced, and the cleaning effect such as removing dirt on the container can be enhanced.

  According to the invention described in claim 4, in addition to the effect of the invention described in any one of claims 1 to 3, the container is held by the container attachment and transported by the forklift, whereby the first hot water sterilization tank And a container can be taken in and out in the 2nd hot water sterilization tank.

  According to the fifth aspect of the present invention, an empty container for storing and transporting onions, potatoes and the like using the hot water sterilization apparatus according to the fourth aspect can be quickly sterilized or killed without using chemicals. Can be disinfected and cleaned.

  According to invention of Claim 6, while using the hot water sterilizer as described in any one of Claims 1 thru | or 4, a 1st hot water sterilization tank can be adjusted to a predetermined water level with an overflow part, and 1st hot water sterilization is carried out. The water level of the second hot water sterilization tank can be adjusted according to the water level of the tank. Also, there is no risk of water overflowing from the tank.

Hereinafter, embodiments of the present invention will be described with reference to the drawings showing examples.
In FIG. 1, reference numeral 1 denotes a hot water sterilization apparatus according to the present invention. The hot water sterilization apparatus 1 is composed of an upwardly open casing in which front, rear, left and right side surfaces and a bottom surface are thermally insulated. Two tanks 5 and two second hot water sterilization tanks 4 are separated from each other by a predetermined distance along the rear walls of the tank 5 and the first hot water sterilization tank 3 and the second hot water sterilization tank 4, which are divided into right and left at a substantially central portion. And support guides 6, 6... For extending a container (72 in FIG. 7), which will be described later, from above to the first hot water sterilization tank 3 and the second hot water sterilization tank 4, respectively. 5 is a drain pan ( described above “ pan with standing portion”, which will be referred to as “drain pan” in the following description, 31 and 35 in FIG. 2) and the upper end of the tank 5. A heat retaining cap 7 which is detachably covered, and a water supply means for supplying water to the tank 5 There automatic water supply pipe 8 and the manual feed water pipe 9, in which a steam pipe 10 is a steam supply means for supplying steam to the tank 5.
In FIG. 1, 11 is an overflow tank, and 12 is an overflow pipe. Although not shown, a temperature controller for adjusting the temperatures in the first hot water sterilization tank 3 and the second hot water sterilization tank 4 in conjunction with the on-off valve of the steam pipe 10 is provided at an appropriate position.

  An overflow portion 21 is formed at the upper end of the intermediate partition plate 2 to overflow water of a predetermined water level or more from the first hot water sterilization tank 3 to the second hot water sterilization tank 4. A silencer 22 is provided to mute the steam supply sound when supplying steam.

  As described above, the support guides 6 are erected at a predetermined interval along the rear walls of the first hot water sterilization tank 3 and the second hot water sterilization tank 4, respectively, extend above the rear wall, and further, the upper end is The container has a slightly inclined shape and is configured so that the container can be guided smoothly. Further, the support guide 6 is formed so that a portion extending above the rear wall is divided and removable for convenience of transportation and the like.

Water is supplied to the automatic water supply pipe 8 and the manual water supply pipe 9 from a water supply device (not shown). Steam is supplied to the steam pipe 10 from a steam boiler (not shown).
The hot water sterilizer 1 of the present invention, the water supply device that supplies water to the hot water sterilizer 1, and the steam boiler that supplies steam are configured to be transportable by a truck or the like.

  As shown in FIGS. 1 (d) and 1 (e), the silencer 22 covers the steam pipe tip 10a of the steam pipe 10 for ejecting steam and the front and rear of the steam pipe tip 10a with a predetermined distance therebetween. The steam pipe tip 10a is formed with a double pipe composed of the outer pipe 23, and the tip of the steam pipe tip 10a is obliquely cut downward in order to eject the steam in the lateral direction. It is fixed to the outer periphery of 10a by ribs 10b, 10b, 10b projecting radially at intervals of approximately 120 degrees.

FIGS. 2A, 2 </ b> C, and 2 </ b> E show the first drain pan 31 installed in the first hot water sterilization tank 3. The first drain pan 31 is a dish-shaped drain pan main body (the “pan main body” described above, also referred to as “drain pan main body” in the following description) 32, and a standing portion that stands from four corners of the first drain pan main body 32 . 33, 33... Are formed in the standing portion 33 so as to extend further upward than the upper end of the tank 5 when the first drain pan 31 is installed in the tank 5. A through-hole-shaped engaging portion 33b for conveying the first drain pan is formed in 33a. In FIG. 2C, reference numeral 34 denotes a reinforcing portion that reinforces the standing state of the standing portion 33.

  FIG. 2B and FIG. 2D show the second drain pan 35 installed in the second hot water sterilization tank 4. Like the first drain pan 31, the second drain pan 35 includes a dish-shaped drain pan main body 36, and standing portions 37, 37... Standing from four corners of the second drain pan main body 36. When the second drain pan 35 is installed in the tank 5, an extending portion 37 a extending further upward than the upper end of the tank 5 is formed, and the extending portion 37 a is penetrated to convey the second drain pan 35. A hole-shaped engaging portion 37b is formed.

FIG. 3 shows a drain pan attachment (the above “pan attachment”) 41 for conveying the first drain pan 31 or the first drain pan 35. The drain pan attachment is also referred to as “drain pan attachment” in the following description . The drain pan attachment 41 has two rectangular tube-like cylinders provided with a hollow portion insertion / removal hole 43 into which a claw of a forklift (71 in FIG. 6) can be inserted / removed on the upper surface of a rectangular frame 42. The bodies 44, 44 are hung at a predetermined interval in the front-rear direction, and hook-shaped locking portions 45, 45... Projecting downward on the bottom surface of the four corners of the frame body 42 and projecting further rearward are formed. The cylindrical body 44 is formed as a double pipe in which the inner cylinder is slidable with respect to the outer cylinder at the front portion, and the front hollow portion of the inner cylinder is adapted to the configuration of the forklift claw. The position of a certain insertion / removal hole 43 is adjustable.
Then, forklift pawls are inserted into the insertion / removal holes 43, 43, the drain pan attachment 41 is attached to the forklift, and the engaging portions 45, 45... Are engaged with the engaging portions 33b, 33b. Then, the 1st drain pan 31 can be hold | maintained with a forklift.
Further, the second drain pan 35 can be held by the same method.

FIG. 4 shows a container attachment 51 for transporting the container. The container attachment 51 includes a base 52 on which one or a plurality of empty containers are placed, a standing portion 53 that is fixedly attached to the front end of the base 52, and a base 52 that is fixed to the upper end of the standing portion 53. And a hollow portion of the square tube at the upper end portion 54 is used as an insertion / removal hole 55 for inserting / removing a claw of the forklift. In addition, in order to adjust the position of the insertion / removal hole 55 according to the configuration of the forklift claw, the upper end portion 54 is attached so that its position can be adjusted in the front-rear direction.
The upright portion 53 is formed in a frame shape including left and right support bodies 56, 56 and four suspension bodies 57, 57. As shown in FIG. 4 (c), two reinforcing members 58 and 58, which are formed of U-shaped steel and extend in the axial direction for reinforcement, are fixedly spaced apart from each other at the center in the width direction of the U-shaped steel. Has been.

  FIG. 5 shows the heat retaining cap 7. The heat retention cap 7 is for covering the upper open portions of the first hot water sterilization tank 3 and the second hot water sterilization tank 4 for heat insulation, and includes a top plate 7a, left and right side plates 7b and 7c, and a front plate. 7d, and divided into right and left at the center, and a packing for sealing is provided at the divided left and right or any one of the divided central parts, and the first hot water sterilization tank 3 and the second hot water A packing for sealing is also provided as appropriate at the contact portion that contacts the open upper end portion of the sterilization tank 4. In the figure, reference numeral 61 denotes a notch for allowing the support guide 6 to pass therethrough.

Thus, the method of using the hot water sterilizer 1 will be described. As shown in FIG. 6, the claw of the forklift 71 is inserted into the insertion / removal hole of the drain pan attachment 41, the drain pan attachment 41 is attached, and the drain pan attachment 41 The engaging portion is engaged with the engaging portion of the first drain pan 31, the first drain pan 31 is attached, the first drain pan 31 is moved along the support guides 6, 6. 1 Installed in the hot water sterilization tank 3, the engagement of the drain pan attachment 41 is disengaged from the engagement portion of the first drain pan 31, and the first drain pan 31 is separated.
A second drain pan 35 is installed in the second hot water sterilization tank 4 in the same manner.

  Next, water is supplied into the first hot water sterilization tank 3 and the second hot water sterilization tank 4, and as shown in FIG. 7, empty containers 72, 72,... For storing and transporting onions, potatoes, and the like. Are mounted on the container attachment 51, the claws of the forklift 71 are inserted into the insertion / removal holes of the container attachment 51, the container attachment 51 is attached to the forklift 71, and the containers 72, 72. ... Are immersed in the first drain pan 31 in the first hot water sterilization tank 3 by the guides of the support guides 6, 6, and the forklift 71 is removed from the insertion / removal holes of the container attachment 51. The container attachment 51 is separated from the other container 72 and 72 in the second hot water sterilization tank 4 in the same manner. The immersion.

  Next, steam is supplied into the first hot water sterilization tank 3 and the second hot water sterilization tank 4 through the steam pipe 10 to heat the water in the tank to a predetermined temperature (for example, 80 ° C.), and a predetermined time has passed. Thereafter, the containers 72, 72... Are pulled up from the first hot water sterilization tank 3 and the second hot water sterilization tank 4, respectively, and the hot water sterilization and cleaning work (the steam also has a cleaning effect) is completed. In addition, the heating temperature in a tank is not limited to 80 degreeC, It sets to temperature suitably in a predetermined temperature range (for example, the range of 70 to 100 degreeC).

FIG. 8 shows a method of supplying water into the first hot water sterilization tank 3 and the second hot water sterilization tank 4 described above.
After the drain pans are installed in the first hot water sterilization tank 3 and the second hot water sterilization tank 4 (not shown), water is supplied to the first hot water sterilization tank 3 to the vicinity of the overflow portion 21 as shown in FIG. (In this case, it may overflow), water is supplied to the second hot water sterilization tank 4 so as to have a predetermined water level lower than that of the first hot water sterilization tank 3, and as shown in FIG. The containers 72, 72... Are immersed in the first hot water sterilization tank 3 so that the water in the first hot water sterilization tank 3 overflows from the overflow portion 21 to the second hot water sterilization tank 4, and then, as shown in FIG. The other containers 72, 72... Are immersed in the second hot water sterilization tank 4.

According to this method, first, the first hot water sterilization tank 3 can be adjusted to a predetermined water level using the overflow part 21 as a guide (or overflowing from the overflow part 21), and the first hot water sterilization tank 3 using the water level as a guide. When hot water can be supplied to the hot water sterilization tank 4 at a predetermined level lower than that of the first hot water sterilization tank 3, and when the containers 72, 72 ... are immersed in the second hot water sterilization tank 4, the second hot water The water level of the sterilization tank 4 can be made substantially the same as that of the first hot water sterilization tank 3. Further, there is no possibility that water will overflow from the tank 5 wastefully.
The fine water level adjustment can be performed using the manual water supply pipe 9. Moreover, if the 2nd hot water sterilization tank 4 is made into the water level exceeding the overflow part 21, the 1st hot water sterilization tank 3 and the 2nd hot water sterilization tank 4 can be made into the same water level.

(A) It is a front view of the hot water sterilizer by this invention. (B) It is a top view of the hot water sterilizer by this invention. (C) It is a side view of the hot water sterilizer by this invention. (D) It is partial front sectional drawing of the silencer by this invention. (E) It is sectional drawing of the silencer by this invention. (A) It is a top view of the 1st drain pan by this invention. (B) It is a top view of the 2nd drain pan by this invention. (C) It is a front view of the 1st drain pan by this invention. (D) It is a front view of the 2nd drain pan by this invention. (E) It is a side view of the 1st drain pan by this invention. (A) It is a top view of the drain pan attachment by this invention. (B) It is a front view of the drain pan attachment by this invention. (C) It is a side view of the drain pan attachment by this invention. (A) It is a front view of the container attachment by this invention. (B) It is a side view of the container attachment by this invention. (C) It is sectional drawing of the support | pillar body of the container attachment by this invention. (D) It is a partial front view of the upper end part of the container attachment by this invention. (E) It is a partial side view of the upper end part of the container attachment by this invention. (A) It is a top view of the heat retention cap by this invention. (B) It is a front view of the heat retention cap by this invention. (C) It is side surface sectional drawing of the heat retention cap by this invention. (D) It is a side view of the heat retention cap by this invention. (A)-(d) It is explanatory drawing of the method of immersing a drain pan in a tank among the usage methods of the hot water sterilizer by this invention. (A)-(d) It is explanatory drawing of the method of immersing a container in a tank among the usage methods of the hot water sterilizer by this invention. (A)-(c) It is explanatory drawing of the method of supplying hot water in a tank among the usage methods of the hot water sterilizer by this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hot water sterilizer 2 Middle partition plate 3 1st hot water sterilization tank 4 2nd hot water sterilization tank 5 Tank 6 Support guide 7 Thermal insulation cap 10a Steam pipe tip part 21 Overflow part 22 Silencer 23 Outer pipes 32 and 36 Drain pan main bodies 33 and 37, 53 Standing portion 33a, 37a Extending portion 33b, 37b Engaging portion 41 Drain pan attachment 43, 55 Insertion / removal hole 45 Locking portion 51 Container attachment 52 Base 54 Upper end portion 71 Forklift 72 Container

Claims (6)

A tank which is divided into a first hot water sterilization tank and a second hot water sterilization tank at right and left at a substantially central portion by an intermediate partition plate;
A support guide which is erected along the rear wall in the first hot water sterilization tank and the second hot water sterilization tank, extends above the rear wall, and guides the container from above into the first hot water sterilization tank and the second hot water sterilization tank. When,
A pan-shaped pan body and a standing part standing from four corners of the bread body, and a pan with a standing part detachably installed in the tank;
A heat retention cap that detachably covers the upper end of the tank;
Water supply means for supplying water to the tank;
A hot water sterilizer comprising steam supply means for supplying steam to the tank,
The upper part of the intermediate partition plate is formed with an overflow part for overflowing water of a predetermined water level or more from the first hot water sterilization tank to the second hot water sterilization tank,
The hot water sterilizer is provided with a silencer that silences a steam supply sound when supplying steam at a supply tip of the steam supply means. The standing portion of the pan with the standing portion is formed with an extending portion that extends further upward than the upper end of the tank when the pan with the standing portion is installed in the tank. An engaging portion for conveying the pan with the upright portion is formed on the portion, and on the other hand, the engaging portion is provided with a locking portion that can be locked, and a forklift pawl can be inserted and removed. bread attachment with a is provided as an accessory, said by pan attachment, hot water sterilization apparatus according to claim 1 wherein said conditioned erected portion pan is characterized in that it is configured to be conveyed. The silencer is formed of a double pipe composed of a steam pipe tip part for ejecting steam and an outer pipe covering the front and rear of the steam pipe tip part with a predetermined interval, the steam pipe tip part being a tip part The hot water sterilizer according to claim 1 or 2, characterized in that is inclined obliquely downward. A base on which one or a plurality of containers are placed; a standing part fixedly provided at one end of the base; and an upper end fixed at an upper end of the standing part and extending in the same direction as the base. wherein the at the upper end is provided as a container attachment accessories claw of a forklift is formed insertion and removal hole for insertion and removal, the conveyed the container by the container attachment, the riser installed in the tank The hot water sterilization apparatus according to any one of claims 1 to 3, wherein the container is configured to immerse the container in a pan with a portion . A method of using a hot water disinfection apparatus of claim 4, wherein, by inserting the claw of a forklift to insertion and removal hole of the pan attachment, the mounting pan attachment, with the standing portion of the engaging portion of the pan attachment engaged with the engagement portion of the pan, attaching said with standing portion bread,
The pan with the standing portion is installed in the first hot water sterilization tank by the guide of the support guide, and the engagement portion of the pan attachment is disengaged from the engaging portion of the pan with the standing portion , Separate the pan with the upright part ,
In the same manner, other pans with standing parts are installed in the second hot water sterilization tank,
Supplying water into the first hot water sterilization tank and the second hot water sterilization tank;
Next, a forklift claw is inserted into an insertion / removal hole of the container attachment on which an empty container is placed, and the container attachment is attached to the forklift,
The container is immersed in the first hot water sterilization tank with the guide of the support guide together with the container attachment, the forklift claw is removed from the insertion / removal hole of the container attachment, and the container attachment is separated from the forklift,
Similarly, immerse other containers in the second hot water sterilization tank,
Steam is supplied into the first hot water sterilization tank and the second hot water sterilization tank by the steam supply means to heat the water in the tank to a predetermined temperature, and after a predetermined time, the first hot water sterilization tank And the usage method of the hot water sterilizer characterized by pulling up the said container from the said 2nd hot water sterilization tank, respectively. It is a usage method of the hot water sterilizer as described in any one of Claims 1 thru | or 4, Comprising : The said pan with a standing part is each installed in the said 1st hot water sterilization tank and the said 2nd hot water sterilization tank, While supplying water to the 1st hot water sterilization tank near the said overflow part, water is supplied to the said 2nd hot water sterilization tank so that it may become a predetermined water level lower than the said 1st hot water sterilization tank, The said 1st hot water sterilization tank Soaking the container into the second hot water sterilization tank overflowing from the overflow portion to the second hot water sterilization tank, and then immersing another container in the second hot water sterilization tank. How to use sterilizer.

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