JP2009039035A - Piercing type steam-jetting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a piercing type steam-jetting device which can easily disinfect a content, such as soil, packed in a bag with steam. <P>SOLUTION: This piercing type steam-jetting device is constituted by forming a closed cylindrical head (11), a connection pipe (15) connected to the lower portion of the head (11), and a downward extended piercing pipe (16) connected to the connection pipe (15) from a material having a high strength, disposing a steam-introducing port (12) connected to a boiler (1) on the lateral side of the head (11), disposing a holder (13) suspended and supported from a working machine in the upper portion, forming the lower end portion of the piercing pipe (16) in a sharp shape, and disposing many jetting ports (17) on the outer periphery of the lower portion. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a stab-type steam ejection device that stabs a stab tube in soil, soil, and the like, and sterilizes steam by ejecting steam from the stab tube.

  In some cases, when the stored items such as soil and soil are packed in a bag and delivered to a customer or stored in a warehouse, they are sterilized with steam and stored in a storage bag. In this case, conventionally, when disinfecting the contents, the predetermined contents are accommodated in a box whose bottom is partitioned by a perforated plate, steam is supplied to the bottom of the box, and the steam is supplied to the perforated plate. The stored material is circulated to the stored material, and the stored material is steam-sterilized, or the stored material is put into a rotating drum having spiral blades, and steam is supplied into the rotating drum to steam the stored material. There was something that was supposed to be disinfected.

In the prior art, since the bottom is partitioned by a perforated plate, or the contents are sterilized using a rotating drum having spiral blades, the equipment is large and the structure becomes complicated. In addition to the increase in cost, the number of processing steps increased, and it took time and effort to disinfect the contents.
JP 2004-33039 A

  It is an object of the present invention to obtain a novel piercing-type steam ejection device capable of easily performing steam sterilization of packaged contents.

In order to achieve the above object, the present invention is configured as follows. In other words, the invention according to claim 1 is made of a high-strength material including a sealed and hollow head, a connecting pipe connected to the lower part of the head, and a piercing pipe connected to the connecting pipe and extending downward. The head is provided with a steam inlet port connected to the boiler on the side, and provided with a locking tool suspended on the work machine at the upper end, and the insertion tube has a sharpened lower end In addition, a large number of jet outlets are provided on the outer periphery of the lower portion.
According to a second aspect of the present invention, the upper end of the connection pipe is disposed above the bottom wall of the head, and a drain valve is provided at the bottom of the head located below the upper end of the connection pipe.
According to a third aspect of the present invention, a steam shielding plate that extends outward in the radial direction is provided on a connecting pipe located immediately below the head.
According to a fourth aspect of the present invention, a plurality of insertion tubes are connected in parallel to the connection tube at intervals.

  According to the first aspect of the present invention, when the locking tool is connected to the fork claw of the work machine or the tip of the arm and lifted, the insertion tube is directed downward. In this state, after being moved upward of the storage bag and then pushed down by the work machine, the insertion tube pierces the object in the storage bag. In this case, since the lower end portion of the piercing tube is formed sharply, the piercing tube is pierced with a small load into the accommodation.

Then, when steam is supplied from the boiler to the head via the steam inlet, the steam circulates in the piercing pipe via the connecting pipe, and from each jet port provided in the piercing pipe toward the accommodation. Blow out and the contents will be heated by steam.
In the invention according to claim 2, when a part of the steam condenses in the head, the condensed water droplets stay at the bottom of the head and are prevented from flowing out into the stab tube, and efficiently heat the contents with the steam. It will be. Then, the water staying at the bottom of the head is discharged to the outside by operating the drain valve.

  In the invention according to claim 3, the steam that has arrived at the upper surface of the containing bag is directed outward by the steam shielding plate. For this reason, the contents are efficiently heated by steam.

  In the invention according to claim 4, a plurality of piercing tubes are inserted into the accommodation at intervals, and steam is ejected from the ejection port of each piercing tube toward the accommodation. For this reason, the contents in the storage bag are quickly and evenly heated by the steam.

  Hereinafter, the present invention will be described with reference to the drawings. 1 is a side view showing a use state of the first embodiment according to the present invention, FIG. 2 is a cross-sectional side view of the main part of FIG. 1, FIG. 3 is a plan view of the main part of FIG. FIG. 5 is a plan view of the main part of FIG.

  In FIG. 1, reference numeral 1 denotes a portable boiler mounted on a carriage 6, which has a burner 3 at the rear part of the housing 2, and generates steam using the combustion heat of the burner 3. . The steam generated by the boiler 1 is supplied to a stab-type steam ejection device 10 to be described later via a supply valve 4 and a flexible steam supply hose 5. 7 is a wheel attached to the rear side of the carriage 6, and 8 is a leg attached to the front side of the carriage 2.

  The stab-type steam ejection device 10 stabs into the packaged contents and ejects steam to sterilize the contents 21. The stored item is made of soil, customer soil, and the like, and is stored in a storage bag (flexible container) 20 such as a nonwoven fabric or a net. The piercing-type steam ejection device 10 is made of a steel material, stainless steel material, or the like having high strength, and as shown in FIG. 2, a hollow head 11 whose upper and lower surfaces are closed, a connecting tube 15 and a piercing tube 16. Is configured as a main part.

  The head 11 has a body portion 11a formed of a pipe material having a diameter of about 140 mm and a length of about 500 mm. The upper surface is a surface orthogonal to the axis and is closed by a top plate 11b, and the lower surface is about the axis. The inclined surface becomes 45 degrees and is closed by a bottom plate (bottom wall) 11c. In addition, a steam inlet 12 to which the steam supply hose 5 is connected is attached to a side portion of the trunk portion 11a, and a locking tool 13 supported by a work machine is suspended from an upper end portion of the trunk portion 11a. A drain valve 14 is attached to the lower end of 11a.

  As shown in FIG. 3, the steam inlet 12 is connected to the peripheral wall of the body 11a from the tangential direction. In this example, as shown in FIG. 2, the locking member 13 is bent in an inverted U shape so that the forklift pawl can be fitted. The drain valve 14 is attached to the lower end portion of the body portion 11a, that is, the lower end portion of the inclined portion inclined downward.

  The connecting tube 15 and the piercing tube 16 are integrally formed of a pipe material having a diameter of about 60.5 mm and a length of about 1300 mm, and the connecting tube 15 is inserted from below into the center of the bottom plate 11c of the trunk portion 11a. The upper end 15a is positioned above the body 11a and fixed to the bottom plate 11c by welding.

  The piercing tube 16 protrudes about 900 mm downward from the body portion 11a, and its lower surface 16a is inclined so as to be about 60 degrees with respect to the axial center, and the lower surface 16a is closed by a blind plate 16b. In addition, a large number of spouts 17 having a diameter of about 6 mm, 70 in this example, are formed on the outer periphery of the lower portion of the piercing tube 16. The lower end of the piercing tube 16 may have an inverted conical shape.

  A steam shielding plate 18 is attached to the connecting pipe 15 located immediately below the head 11 so as to be vertically adjustable. The vapor shielding plate 18 is formed in a disc shape or an ellipse shape by a heat-resistant plate material such as a steel plate so as to close the upper surface in the containing bag 20.

  In addition, each dimension of the trunk | drum 11a mentioned above, the connection pipe | tube 15, and the piercing pipe | tube 16, the inclination angle of the lower surface 16a of the piercing pipe | tube 16, etc. are suitably set by the kind, quantity, etc. of the things to disinfect.

  Next, the usage mode of the embodiment will be described. First, the steam supply hose 5 of the boiler 1 is connected to the steam inlet 12, and the mouth of the disinfecting storage bag (flexible container) 20 is opened. Next, the locking tool 13 is fitted into the claw of the forklift, and the stab-type steam blower 10 is lifted by the forklift and moved above the storage bag 20 in this state. Push the top down.

  Then, the sharpened lower end portion of the piercing tube 16 pierces the object 21 in the storage bag 20. In this example, the penetration depth (amount) of the insertion tube 16 into the accommodation 21 is set to a depth at which the vapor shielding plate 18 is located on the upper surface in the accommodation bag 20, and at this point, the descent by the forklift stops. .

  Then, the mouth of the storage bag 20 is closed, and then the supply valve 4 of the boiler 1 is opened, and steam is supplied to the head 11 via the steam supply hose 5. Then, the steam circulates in the piercing pipe 16 through the connection pipe 15, and is ejected from the respective jet outlets 17 of the piercing pipe 16 toward the stored article 21. Will be heated by. At this time, the steam that has arrived at the upper surface portion of the storage bag 20 is directed outward by the steam shielding plate 18 and efficiently heats the stored item 21.

  When the containment 21 rises to the temperature for killing germs or when the temperature for killing germs has passed for a predetermined time, the supply valve 4 of the boiler 1 is closed and the piercing steam jetting device 10 is lifted by a forklift. The bag is removed from the storage bag 20 and the mouth of the storage bag 20 is closed. The container 21 that has been sterilized with steam is hung on the claw of the forklift by the hanging strap 20a of the container bag 20 in which the container 21 is stored, and is transported to a predetermined place by the forklift. In the same manner, the other packed contents 21 are sequentially steam sterilized.

  4 and 5 show a second embodiment. In FIG. 4, reference numeral 15-1 denotes a connecting pipe, which is inserted from below into the center of the bottom plate 11c of the trunk portion 11a, and whose upper end 15a is positioned above the trunk portion 11a and fixed to the bottom plate 11c by welding. . Four insertion tubes 16-1 are connected in parallel to each other at intervals in the circumferential direction below the connection tube 15-1. That is, each piercing tube 16-1 has its upper end portion 16c bent to L, and each upper end portion 16c is arranged radially to connect to the lower end of the connection tube 15-1. Thereby, the main-body part 16d of each piercing pipe | tube 16-1 is drooped in parallel at intervals in the circumferential direction.

  Further, the lower surface 16a of each piercing tube 16-1 is inclined so as to be about 60 degrees with respect to the axial center, and the lower surface 16a is closed by the blind plate 16b. Reference numeral 17 denotes a number of jet outlets formed in the lower part of the main portion 16d of each piercing tube 16-1. The other structure is substantially the same as that of the first embodiment.

  According to the second embodiment, four piercing tubes 16-1 are pierced into the container 21 at intervals, and steam is directed toward the container 21 from the spout 17 of each piercing tube 16-1. Is ejected, so that the contents 21 in the accommodation bag 20 can be heated quickly and evenly. The piercing tube 16-1 may be two or three.

It is a side view which shows the use condition of 1st Example by this invention. It is a principal part cross-sectional side view of FIG. It is a principal part top view of FIG. It is principal part sectional side view which shows 2nd Example of this invention. It is a principal part top view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Boiler 2 Housing | casing 3 Burner 4 Supply valve 5 Steam supply hose 6 Carriage 7 Wheel 8 Leg 10 Insertion type steam injection apparatus 11 Head 11a Body part 11b Top plate 11c Bottom plate (bottom wall)
DESCRIPTION OF SYMBOLS 12 Steam inlet 13 Locking tool 14 Drain valve 15 Connection pipe 15a Upper end 16 Insertion pipe 16a Lower surface 16b Blind plate 16c Upper end part 16d Main part 17 Jet outlet 18 Steam shielding board 20 Storage bag 20a Suspension string 21 Object

Claims (4)

  A sealed and hollow head (11), a connecting pipe (15) connected to the lower part of the head (11), and a piercing pipe (16) connected to the connecting pipe (15) and extending downward. The head (11) is formed of a high-strength material, and the head (11) is provided with a steam inlet (12) connected to the boiler (1) on the side, and a latch ( 13), and the piercing pipe (16) has a sharp lower end and is provided with a number of jets (17) on the outer periphery of the lower part. .   The upper end (15a) of the connecting pipe (15) is disposed above the bottom wall (11c) of the head (11), and drainage is performed at the bottom of the head (11) located below the upper end of the connecting pipe (15). 2. The stab-type steam jetting device according to claim 1, further comprising a valve (14).   3. A stab-type steam jetting device according to claim 1, wherein a steam shielding plate (18) extending radially outward is provided on the connecting pipe (15) located immediately below the head (11).   The stab-type steam jetting device according to any one of claims 1 to 3, wherein a plurality of stab-tubes (16-1) are connected to the connecting pipe (15) in parallel at intervals.

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