JPS637243Y2 - - Google Patents

Description

[Detailed explanation of the idea] a Industrial application field The present invention relates to an autoclave.

b. Prior art and its problems An autoclave is a device that sterilizes objects to be sterilized by introducing high-pressure steam into a can. In such a sterilizer, before the sterilization cycle is completed and the object to be sterilized inside the can is taken out, an operation is performed to discharge the high pressure steam inside the can to the outside. On this occasion,
Directly discharging high-pressure steam is dangerous and causes inconveniences such as the sterilizer breaking down and the atmosphere in the room where the sterilizer is installed becoming hot and humid.

For this reason, conventional steam discharge operations have been carried out by placing a container containing a large amount of water on the side of the sterilizer, and passing steam from the sterilizer through a hose into the container to condense the steam.

However, when performing a steam discharge operation using such a method, it takes time and effort to arrange the container, and the water in the container must be appropriately drained to prevent water from overflowing due to condensed water. In addition, there is a risk that the discharge end of the hose will come out of the container and high-pressure steam will spew out, or if the can cools down and the inside becomes negative pressure.
There is also the problem that water inside the container flows back into the can body.

By the way, for large sterilizers, as shown in Utility Model Application No. 51-103032 or No. 51-110393, a pipe connected to the steam outlet of the can body is arranged in a spiral shape inside the cooling tank. A device configured to send high-pressure steam into this pipe and condense it has also been proposed.

However, these devices require a cooling tank separate from the main body housing the can body, and cooling water must be circulated through this tank.
99 or less) has become difficult to apply.

c. Means to solve the problem This invention was devised in view of the above circumstances, and its purpose is to:
Our objective is to provide a compact high-pressure steam sterilizer that can safely and reliably discharge the high-pressure steam inside the can while having a simple structure. In a high-pressure sterilizer that sterilizes with steam, the can is disposed inside a body, a condensing pipe is connected to a steam outlet of the can, and the condensing pipe is made to meander around the outside of the body. At the same time, its lower end is connected to body 2.
The high-pressure steam sterilizer is characterized in that a water receiver is provided at the lower part of the body for storing condensed water discharged from the condensing pipe.

An embodiment of the present invention will be described below based on the drawings. The figure shows an outline of a high-pressure steam sterilizer. In the figure, 2 is the body of the sterilizer, 1 is the can body, and 5 is the opening/closing lid. On the outer surface of body 2,
Condensing pipe 3 extending vertically while meandering horizontally
The upper end 6 of the condensing pipe 3 is connected to the steam outlet of the can body 1. Further, the lower end 7 of the condensing pipe 3 extends to the lower part of the body 2 and opens. The water receiving tray 4 is attached to the body 2 from the direction of arrow a.
The condensed water discharged from the lower end 7 of the condensing pipe 3 is collected in the water receiving tray 4.

The high-pressure steam sterilizer is constructed in this way, with the can body 1
After completing the sterilization cycle within the can body 1, when a steam valve (not shown) is opened, high-pressure steam within the can body 1 is introduced into the condensing pipe 3. Then, this steam is transferred to the condensing pipe 3
The condensed water is effectively cooled and condensed while passing through the condensing pipe 3, and is discharged from the lower end 7 of the condensing pipe 3 into the water receiving tray 4. Specifically, the capacity of can body 1 is
20, when a copper finned pipe with a diameter of 10 mm and a length of 10 m is used for the condensing pipe 3, the sterilization temperature is 121 °C,
Under conditions of sterilization time of 20 minutes, a total of 140 c.c. of condensed water is discharged: 20 c.c. when heating up and 120 c.c. when steam is discharged.

Although one embodiment of the present invention has been described above, the present invention is not limited to the structure shown in the above embodiment and can be modified in various ways.

d Effects of the invention According to the invention, by sending high-pressure steam into the can of the condensing pipe arranged in a meandering manner on the outer surface of the body, the steam is condensed as condensed water into the water receiver provided at the bottom of the body. Since it can be discharged, high pressure steam inside the can can be safely and reliably discharged to the outside despite having a simple structure. This eliminates the need for a cooling tank and allows each member to be assembled integrally with the body, making the device more compact.

[Brief explanation of the drawing]

The figure is a schematic perspective view of a high-pressure steam sterilizer showing an embodiment of the present invention. 1...Can body, 2...Body, 3...Condensing pipe, 4...Water receiving tray.

Claims (1)

[Scope of utility model registration request] In a high-pressure steam sterilizer that sterilizes objects to be sterilized in a can body 1 using high-pressure steam, the can body 1 is disposed inside a body 2, and a condensing pipe 3 is connected to a steam outlet of the can body 1. The condensing pipe 3 is arranged in a meandering manner on the outer surface side of the body 2, and its lower end is inserted into the body 2, and a water receptacle is used to retain the condensed water discharged from the condensing pipe 3. 4 is provided at the lower part of the body 2.