JP2724595B2 - Steam sterilizer - Google Patents

Steam sterilizer

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Publication number
JP2724595B2
JP2724595B2 JP63202076A JP20207688A JP2724595B2 JP 2724595 B2 JP2724595 B2 JP 2724595B2 JP 63202076 A JP63202076 A JP 63202076A JP 20207688 A JP20207688 A JP 20207688A JP 2724595 B2 JP2724595 B2 JP 2724595B2
Authority
JP
Japan
Prior art keywords
steam
sterilization tank
drain
flow path
sterilization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP63202076A
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Japanese (ja)
Other versions
JPH0249658A (en
Inventor
好高 安岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miura Co Ltd
Original Assignee
Miura Co Ltd
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Filing date
Publication date
Application filed by Miura Co Ltd filed Critical Miura Co Ltd
Priority to JP63202076A priority Critical patent/JP2724595B2/en
Publication of JPH0249658A publication Critical patent/JPH0249658A/en
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Expired - Lifetime legal-status Critical Current

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Description

【発明の詳細な説明】 [産業上の利用分野] この発明は、例えば医科用の器材、衣類等を滅菌する
蒸気滅菌器において、各種の雑菌が滅菌処理の系外に流
出しないように工夫したものである。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention has been devised in a steam sterilizer for sterilizing medical equipment, clothing, etc., so that various germs do not flow out of the sterilization system. Things.

[従来技術] 従来、蒸気滅菌器は、第4図に例示するように被滅菌
物を収容する滅菌槽(1a)と、この滅菌槽(1a)を囲ん
で設けた蒸気チャンバ(1b)からなっており、この滅菌
槽(1a)に対して真空ポンプ(9)を含む給蒸路(3)
と、一端が滅菌槽(1a)に連なる蒸気流路(15)の他端
を接続した状態として使用するが、その動作はおおむね
以下のようになっている。
[Prior Art] Conventionally, a steam sterilizer comprises a sterilization tank (1a) for accommodating an object to be sterilized and a steam chamber (1b) provided surrounding the sterilization tank (1a) as illustrated in FIG. A steam supply path (3) including a vacuum pump (9) for the sterilization tank (1a)
And one end is connected to the other end of the steam flow path (15) connected to the sterilization tank (1a), and the operation is generally as follows.

即ち、外部から供給した蒸気を、先ず、蒸気チャンバ
(1b)に導入して、滅菌槽(1a)を加温する。その上で
真空ポンプ(9)の駆動により、この滅菌槽(1a)内の
空気を排出し、次いで蒸気流路(15)の途中の電磁弁
(L)を短時間開放して前記蒸気チャンバ(1b)内の蒸
気を滅菌槽(1a)へ送り込む操作を繰り返して行なう真
空工程に入る。この真空工程終了後、蒸気流路(15)を
介して蒸気チャンバ(1b)の蒸気を滅菌槽(1a)に導入
してこの滅菌槽(1a)内を蒸気で充満させ、滅菌槽(1
a)内の被滅菌物を滅菌する滅菌工程に移る。しかる
後、排気工程、乾燥工程がこれに続き、全工程終了後、
被滅菌物を滅菌槽(1a)より搬出する。
That is, the steam supplied from the outside is first introduced into the steam chamber (1b) to heat the sterilization tank (1a). Then, the air in the sterilization tank (1a) is discharged by driving the vacuum pump (9), and then the solenoid valve (L) in the middle of the steam flow path (15) is opened for a short time to open the steam chamber (1). A vacuum step is performed in which the steam in 1b) is repeatedly sent to the sterilization tank (1a). After the completion of the vacuum process, the steam in the steam chamber (1b) is introduced into the sterilization tank (1a) through the steam flow path (15), and the inside of the sterilization tank (1a) is filled with steam.
Move on to the sterilization process of sterilizing the object to be sterilized in a). After that, the exhaust process and the drying process follow, and after all processes are completed,
The material to be sterilized is removed from the sterilization tank (1a).

[発明が解決しようとする問題点] しかし、前述の真空行程時に、滅菌槽(1a)外に排出
される空気や蒸気、或は凝縮したドレン中には大抵の場
合、被滅菌物を汚染していた各種の菌が生存している。
[Problems to be Solved by the Invention] However, during the above-described vacuum process, air or steam discharged to the outside of the sterilization tank (1a) or condensed drain usually contaminates the material to be sterilized. The various bacteria that were living are still alive.

ところが、従来の装置では、これらを滅菌しないまま
排出することになり、雑菌が外部にまき散らされたり、
真空ポンプ(9)や各配管中に残留して増殖する等の不
都合が生じる。このため、排出物をタンクに集めて後処
理をしたり、配管の途中にフィルターを介在させるたり
する方法も、一部では見受けられるが、配管途中の滅菌
が不十分になったり、設備費の増加を招くのみで、十分
なものとはなっていないのが現状である。
However, in the conventional device, these are discharged without sterilization, and various germs are scattered outside,
Inconveniences such as remaining in the vacuum pump (9) and each pipe and multiplying occur. For this reason, methods of collecting waste in a tank for post-treatment or interposing a filter in the middle of piping can be seen in some cases, but sterilization in the middle of piping becomes insufficient and equipment costs are reduced. At present, the increase is not enough.

[問題点を解決するための手段] 即ち、この発明は、上述のような問題点に対し、各種
雑菌が滅菌処理のシステム、或は系から流出しないよう
に、蒸気滅菌器において、滅菌槽に接続したドレン排出
路の、弁の上流側にドレンポットを設ける一方、蒸気流
路の給蒸端部を前記ドレンポット内に導き、前記給蒸端
部から放出する蒸気によりドレンポット内部のドレンを
直接的、又は間接的に加熱した後、前記ドレン排出路を
介して滅菌槽に給蒸する構成としたことを特徴とするも
のである。
[Means for Solving the Problems] In other words, the present invention is directed to solving the above-mentioned problems by using a steam sterilizer in a sterilization tank so that various germs do not flow out of the sterilization treatment system or system. While a drain pot is provided on the upstream side of the valve of the connected drain discharge path, the steam supply end of the steam flow path is guided into the drain pot, and the drain inside the drain pot is discharged by the steam discharged from the steam supply end. After heating directly or indirectly, steam is supplied to the sterilization tank via the drain discharge path.

[実施例] 以下、この発明の実施例を図面に基づいて説明する。
尚、第1図は、この発明に係る蒸気滅菌器の一実施例の
配管系統を示す説明図、第2図及び第3図はその一部分
の拡大説明図である。
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is an explanatory view showing a piping system of an embodiment of a steam sterilizer according to the present invention, and FIGS. 2 and 3 are enlarged explanatory views of a part thereof.

第1図乃至第3図において、蒸気滅菌器は、2重缶構
造の缶体(1)を備えており、この缶体(1)は、内側
を滅菌槽(1a)に、また外側をその滅菌槽(1a)を取り
囲む蒸気チャンバ(1b)に構成してある。この滅菌槽
(1a)には、耐圧扉(図示省略)を設けた被滅菌物の出
入口(図示省略)が設けられていて、この耐圧扉を閉じ
ることにより、滅菌槽(1a)を完全に密閉できるように
なっている。
1 to 3, the steam sterilizer has a can body (1) having a double can structure. The can body (1) has a sterilization tank (1a) on the inside and a can body (1) on the outside. It is configured in a steam chamber (1b) surrounding the sterilization tank (1a). The sterilization tank (1a) is provided with an entrance (not shown) for an object to be sterilized provided with a pressure-resistant door (not shown). By closing the pressure-resistant door, the sterilization tank (1a) is completely sealed. I can do it.

蒸気チャンバ(1b)にその一端を接続した給蒸路
(3)は、他端が外部蒸気源(図示省略)に接続するた
めの蒸気入口(2)としてあり、途中の電磁弁(B)を
開くと蒸気は給蒸路(3)を通って蒸気チャンバ(1b)
に流入する。
A steam supply passage (3) having one end connected to the steam chamber (1b) has a steam inlet (2) at the other end for connection to an external steam source (not shown), and a solenoid valve (B) on the way. When opened, the steam passes through the steam supply path (3) and the steam chamber (1b)
Flows into.

滅菌槽(1a)に接続した空気流路(5)は、空気フィ
ルタ(4)を電磁弁(C)を介して接続したものであ
る。同様に滅菌槽(1a)に接続された排気経路(6)
は、途中分岐して一方は電磁弁(E)及びフィルタ
(8)を介在する濾過経路(7)に、もう一方は電磁弁
(D)のみ介在する直結経路(10)にそれぞれ通じ、2
つの経路は、その後合流して逆止弁(H)、及び真空ポ
ンプ(9)を経て排出口(13)に達している。
The air flow path (5) connected to the sterilization tank (1a) is obtained by connecting an air filter (4) via a solenoid valve (C). Similarly, the exhaust path (6) connected to the sterilization tank (1a)
Is branched in the middle, one is connected to a filtration path (7) interposed by an electromagnetic valve (E) and a filter (8), and the other is connected to a direct connection path (10) interposed only by an electromagnetic valve (D).
The two paths then merge to reach the outlet (13) via a check valve (H) and a vacuum pump (9).

一方、蒸気チャンバ(1b)に対してその一端を接続し
た蒸気流路(15)は、途中電磁弁(A)を介して3方に
分岐している。分岐後の1つの流路(O)は第1の蒸気
流路(16)としてそのまま滅菌槽(1a)に接続し、別の
流路(P)は第2の蒸気流路(17)として直結流路(1
0)に接続してある。この第2の蒸気流路(17)は、そ
の途中で更に2方に分岐し、一方の第1分岐流路(17
a)は空気流路(5)に、他方の第2分岐流路(17b)は
排気経路(6)に接続してある。
On the other hand, a steam flow path (15), one end of which is connected to the steam chamber (1b), branches off in three directions via a solenoid valve (A) on the way. One channel (O) after branching is directly connected to the sterilization tank (1a) as a first steam channel (16), and another channel (P) is directly connected as a second steam channel (17). Channel (1
0). The second steam flow path (17) further branches in two directions in the middle, and one of the first branch flow paths (17
a) is connected to the air flow path (5), and the other second branch flow path (17b) is connected to the exhaust path (6).

残る1つの流路(Q)は、第3の蒸気流路(18)とし
て、途中電磁弁(F)を介してドレンポット(12)内に
導かれる。
The remaining one flow path (Q) is guided as a third steam flow path (18) into the drain pot (12) via the electromagnetic valve (F) on the way.

滅菌槽(1a)下部に接続したドレン排出路(11)は、
途中のドレンポット(12),電磁弁(G),逆止弁
(I)を介して排出口(13)に接続してある。
The drain discharge channel (11) connected to the lower part of the sterilization tank (1a)
It is connected to the discharge port (13) via a drain pot (12), a solenoid valve (G), and a check valve (I) on the way.

前記ドレンポット(12)は、滅菌槽(1a)より流下す
るドレンを一時的に貯溜し得る構造であり、このドレン
ポット(12)内に突出した前記蒸気流路(18)の給蒸端
部(18′)は、内部で2方に分かれている(第2図参
照)。そのうちの一方の給蒸端部は、滞留するドレンを
十分加熱できるように、ドレンポット(12)の底部近傍
にて開口する蒸気噴出口(18a)としてあり、もう一方
の給蒸端部は、ドレン排出路(11)内にて開口する蒸気
噴出口(18b)としてある。尚、前記の第1乃至第3の
蒸気流路(16),(17),(18)は、それぞれ圧損等の
差違により蒸気の流通状態が異なるが、必要により各蒸
気流路の途中にオリフィス等の流量規制手段を設けるこ
とで緩和可能である。
The drain pot (12) has a structure capable of temporarily storing drain flowing down from the sterilization tank (1a), and a steam supply end of the steam flow path (18) protruding into the drain pot (12). (18 ') is internally divided into two parts (see FIG. 2). One of the feed ends is a steam outlet (18a) opening near the bottom of the drain pot (12) so that the retained drain can be sufficiently heated, and the other feed end is The steam outlet (18b) opens in the drain discharge path (11). The first to third steam passages (16), (17), and (18) have different steam flow states due to differences in pressure loss and the like. This can be alleviated by providing a flow control means such as the above.

また、蒸気チャンバ(1b)の底部に一端を接続した第
2のドレン排出路(19)は、途中スチームトラップ
(J)、逆止弁(K)を介して排出口(13)に接続して
ある。
A second drain discharge path (19) having one end connected to the bottom of the steam chamber (1b) is connected to a discharge port (13) via a steam trap (J) and a check valve (K). is there.

以上のような構成下においてその動作を順に追って説
明する。尚、以下の説明において、各弁は開と明示され
ない限り閉じているものとする。
The operation of the above configuration will be described in order. In the following description, each valve is assumed to be closed unless it is explicitly indicated that the valve is open.

先ず、被滅菌物を滅菌槽(1a)に搬入後、出入口の耐
圧扉を閉鎖し、以下の行程を順に開始する。
First, after the object to be sterilized is carried into the sterilization tank (1a), the pressure-resistant door at the entrance is closed, and the following steps are sequentially started.

1)準備行程 給蒸路(3)の電磁弁(B)を開くと、蒸気入口
(2)より給蒸路(3)を通って蒸気チャンバ(1b)内
に蒸気が送り込まれ、滅菌槽(1a)が予熱される。尚、
この蒸気チャンバ(1b)への蒸気の供給は、全行程を通
じて行なわれ、蒸気チャンバ(1b)中で凝縮したドレン
は、第2のドレン排出路(19)を通って排出口(13)へ
排出される。
1) Preparation Step When the solenoid valve (B) of the steam supply path (3) is opened, steam is sent from the steam inlet (2) through the steam supply path (3) into the steam chamber (1b), and the sterilization tank ( 1a) is preheated. still,
The supply of steam to the steam chamber (1b) is performed throughout the entire process, and the drain condensed in the steam chamber (1b) is discharged to the outlet (13) through the second drain discharge path (19). Is done.

2)真空行程 前述の準備行程により滅菌槽(1a)を十分暖めた後、
真空工程に入る。
2) Vacuum process After the sterilization tank (1a) has been sufficiently warmed up by the aforementioned preparation process,
Enter the vacuum process.

まず濾過経路(7)の電磁弁(E)を開き、真空ポン
プ(9)の駆動により、排気経路(6)、及び濾過経路
(7)を介して滅菌槽(1a)内の空気を排出する。
First, the electromagnetic valve (E) of the filtration path (7) is opened, and the air in the sterilization tank (1a) is discharged through the exhaust path (6) and the filtration path (7) by driving the vacuum pump (9). .

この時、滅菌槽(1a)内の空気はフィルタ(8)を通
過することにより濾過されるので、被滅菌物に付着して
いた菌類による汚染は、前記フィルタ(8)までで留ま
り、排出口(13)より排出される空気は浄化されてい
る。
At this time, the air in the sterilization tank (1a) is filtered by passing through the filter (8), so that the contamination by fungi attached to the object to be sterilized stays at the filter (8), and the discharge port. The air discharged from (13) is purified.

次いで、前記濾過経路(7)の電磁弁(E)を閉じ、
蒸気流路(15)の途中の電磁弁(A)、及び第3の蒸気
流路(18)の途中の電磁弁(F)を短時間開いて、蒸気
チャンバ(1b)内の蒸気を第1乃至第3の蒸気流路(1
6),(17),(18)を介して滅菌槽(1a)内に導入す
る(尚、この場合においては、第3の蒸気流路(18)の
電磁弁(F)を閉じて、第1、第2の蒸気流路(16),
(17)から蒸気を導入してもよい。)。
Next, the solenoid valve (E) of the filtration path (7) is closed,
The solenoid valve (A) in the middle of the steam flow path (15) and the solenoid valve (F) in the middle of the third steam flow path (18) are opened for a short time, so that the steam in the steam chamber (1b) is Through the third steam channel (1
6), (17), and (18) are introduced into the sterilization tank (1a). (In this case, the solenoid valve (F) of the third steam flow path (18) is closed, and the 1, the second steam channel (16),
Steam may be introduced from (17). ).

この排気、並びに蒸気導入を交互に繰り返し行なうこ
とで、被滅菌物中に含まれる空気を十分に排出し、後の
滅菌行程における蒸気による加熱ムラ等を軽減する。こ
の時に滅菌槽(1a)内に生じるドレンはドレン排出路
(11)を通ってドレンポット(12)内に溜められる。
By alternately repeating the exhaust and the introduction of the steam, the air contained in the object to be sterilized is sufficiently exhausted, and uneven heating due to the steam in the subsequent sterilization process is reduced. At this time, drain generated in the sterilization tank (1a) passes through a drain discharge path (11) and is stored in a drain pot (12).

3)滅菌行程 前工程により十分に滅菌槽(1a)内の空気を排除した
後、再び蒸気流路(15)の電磁弁(A)及び第3の蒸気
流路(18)の電磁弁(F)を開き、第1乃至第3の蒸気
流路(16),(17),(18)を介して滅菌槽(1a)内を
高温高圧の蒸気で充満させる。
3) Sterilization process After the air in the sterilization tank (1a) is sufficiently removed by the previous process, the solenoid valve (A) of the steam flow path (15) and the solenoid valve (F) of the third steam flow path (18) are again used. ) Is opened, and the inside of the sterilization tank (1a) is filled with high-temperature and high-pressure steam through the first to third steam channels (16), (17) and (18).

この後、滅菌槽(1a)内が設定滅菌温度となった時点
で滅菌工程に入る。かかる滅菌槽(1a)内の温度の測定
は、ドレン排出路(11)より排出されるドレンの温度や
滅菌槽(1a)内の雰囲気の温度等、公知のどのような計
測手段によってもよい。
Thereafter, when the inside of the sterilization tank (1a) reaches the set sterilization temperature, the sterilization process is started. The temperature in the sterilization tank (1a) may be measured by any known measurement means such as the temperature of the drain discharged from the drain discharge path (11) and the temperature of the atmosphere in the sterilization tank (1a).

この滅菌行程中、滅菌槽(1a)内への蒸気供給は、蒸
気流路(15)から第2の蒸気流路(17),第1分岐流路
(17a),空気流路(5)を介して滅菌槽(1a)に至る
配管経路、蒸気流路(15)から第2の蒸気流路(17),
第2分岐流路(17b),排気経路(6)を介して滅菌槽
(1a)に至る配管経路,蒸気流路(15)から第2蒸気流
路(16)を介して滅菌槽(1a)に至る配管経路,及び蒸
気流路(15)から第3の蒸気流路(18),ドレンポット
(12),ドレン排出路(11)を介して滅菌槽(1a)に至
る配管経路のいずれからも行なわれる。そのため、それ
ら各配管は十分に滅菌が行われ、空気流路(5)の電磁
弁(C)と滅菌槽(1a)との間の配管,排気経路(6)
下流の電磁弁(D),(E)と滅菌槽(1a)との間の配
管,及びドレン排出路(11)の電磁弁(G)と滅菌槽
(1a)との間の配管等、滅菌槽(1a)に接続された各配
管内においては、前記の被滅菌物に付着していた雑菌に
よる汚染は、蒸気の導入により滅菌が行われるために防
止される。
During this sterilization process, steam is supplied into the sterilization tank (1a) through the steam flow path (15) through the second steam flow path (17), the first branch flow path (17a), and the air flow path (5). Piping route from the steam flow path (15) to the sterilization tank (1a) through the second steam flow path (17),
A piping route from the second branch flow path (17b) to the sterilization tank (1a) via the exhaust path (6), and a sterilization tank (1a) from the steam flow path (15) via the second steam flow path (16). From the steam flow path (15) to the sterilization tank (1a) through the third steam flow path (18), the drain pot (12), and the drain discharge path (11). Is also performed. Therefore, these pipes are sufficiently sterilized, and the pipes between the solenoid valve (C) of the air flow path (5) and the sterilization tank (1a) and the exhaust path (6).
Sterilization such as piping between the downstream solenoid valves (D) and (E) and the sterilization tank (1a) and piping between the solenoid valve (G) and the sterilization tank (1a) in the drain discharge path (11). In each of the pipes connected to the tank (1a), contamination by the germs attached to the object to be sterilized is prevented because the sterilization is performed by introducing steam.

また、第3の蒸気流路(18)からドレンポット(12)
内に流入する蒸気は、第2図、或は第3図に示すよう
に、第3の蒸気流路(18)の先端をドレンポット(12)
の底部で開口させたことにより、ドレンポット(12)内
に噴出し、ドレンポット(12)内のドレンを加熱殺菌す
る働きをし、前述の真空行程等で生じた初期のドレン中
に生存していると思われる雑菌を十分に滅菌する。
In addition, the third steam flow path (18) to the drain pot (12)
As shown in FIG. 2 or FIG. 3, the steam flowing into the inside is connected to the drain pot (12) by the tip of the third steam flow path (18).
By opening it at the bottom of the tank, it blows out into the drain pot (12), heats and sterilizes the drain in the drain pot (12), and survives in the initial drain generated by the aforementioned vacuum process. Sufficiently sterilize any bacteria that may be present.

尚、第2図における給蒸端部(18′)の一方の蒸気噴
出孔(18b)より噴出する蒸気は、ドレン排出路(11)
の加熱殺菌を行なうが、他方の蒸気噴出孔(18a)から
も十分蒸気が噴出するようにオリフィス等により配管の
圧損を調整して蒸気のショートパスを防止する。
The steam ejected from one steam ejection hole (18b) of the steam supply end (18 ') in FIG.
Heat sterilization is performed, but the pressure loss of the piping is adjusted by an orifice or the like so that the steam is sufficiently ejected from the other steam ejection hole (18a) to prevent a short path of the steam.

4)排気行程 滅菌行程終了後、蒸気流路(15)の電磁弁(A)及び
第3の蒸気流路(18)の電磁弁(F)を閉じて、滅菌槽
(1a)内への給蒸をストップする。
4) Exhaust stroke After the end of the sterilization stroke, the solenoid valve (A) of the steam flow path (15) and the solenoid valve (F) of the third steam flow path (18) are closed to supply the gas into the sterilization tank (1a). Stop steaming.

次いで、ドレン排出路(11)の電磁弁(G)を開放
し、滅菌槽(1a)内の蒸気、並びにドレンポット(12)
内のドレンを排出口(13)より排出する。尚、この際の
ドレンや蒸気は滅菌行程終了後のものであり、万が一に
も生存する雑菌を含む心配は無い。
Next, the solenoid valve (G) of the drain discharge path (11) is opened, and the steam in the sterilization tank (1a) and the drain pot (12) are opened.
The drain inside is discharged from the discharge port (13). The drain and steam at this time are those after the end of the sterilization process, and there is no concern that surviving germs are included.

5)乾燥行程 前記排気行程により滅菌槽(1a)内の圧力を大気圧近
くまで下げた後、前記ドレン排出路(11)の電磁弁
(G)を閉じて、乾燥行程に入る。
5) Drying Step After the pressure in the sterilization tank (1a) is reduced to near atmospheric pressure by the exhausting step, the solenoid valve (G) of the drain discharge path (11) is closed, and the drying step is started.

先ず、直結経路(10)の電磁弁(D)を開き、真空ポ
ンプ(9)の駆動により排気経路(6)及びフィルタ
(8)を通さず、直結経路(10)をバイパスさせて滅菌
槽(1a)内を減圧し、被滅菌物の湿気を排除する(真空
乾燥)。
First, the solenoid valve (D) of the direct connection path (10) is opened, and the vacuum pump (9) is driven to bypass the exhaust path (6) and the filter (8). 1a) Reduce the pressure inside to eliminate moisture from the material to be sterilized (vacuum drying).

次いで、空気流路(5)の電磁弁(C)を少しの間開
き、空気フィルタ(4)を介して清浄な空気を一時的に
滅菌槽(1a)内に導く。
Next, the solenoid valve (C) of the air flow path (5) is opened for a while, and clean air is temporarily introduced into the sterilization tank (1a) through the air filter (4).

そして、この動作を繰り返し行い、十分に被滅菌物を
乾燥させる。
This operation is repeated to sufficiently dry the object to be sterilized.

6)取り出し 前記乾燥行程終了後、空気流路(5)の電磁弁(C)
を開いて、滅菌槽(1a)を空気フィルタ(4)を介して
外部と通じさせ、大気圧と同圧にする。また、給蒸路
(3)の電磁弁(B)を閉じて、蒸気チャンバ(1b)へ
の給蒸を停止する。
6) Removal After the drying process is completed, the solenoid valve (C) of the air flow path (5)
Is opened, and the sterilization tank (1a) is communicated with the outside through the air filter (4) to make the pressure equal to the atmospheric pressure. Further, the solenoid valve (B) of the steam supply path (3) is closed to stop the steam supply to the steam chamber (1b).

この後、滅菌槽(1a)の耐圧扉を開き、被滅菌物を取
り出して、全工程を終了する。
After that, the pressure-resistant door of the sterilization tank (1a) is opened, the object to be sterilized is taken out, and the entire process is completed.

尚、以上の実施例において、前述の濾過経路(7)の
電磁弁(E),並びにフィルタ(8)をユニット化して
取り扱いを容易にすれば、二次汚染を含めて雑菌の汚染
の心配の無いシステムを得ることができる。
In the above embodiment, if the electromagnetic valve (E) and the filter (8) of the filtration path (7) and the filter (8) are unitized for easy handling, there is a possibility of contamination of various bacteria including secondary contamination. There is no system available.

[発明の効果] この発明は、上述のような構成であり、菌類に汚染さ
れる可能性のある場所はすべて滅菌でき、被滅菌物に付
着する雑菌による蒸気滅菌器内の汚染や、各行程毎の排
出物による外部への雑菌の放出等を防止することができ
る。これにより、極めて安全かつ容易に滅菌を行なうこ
とが可能となり、二次汚染等を防止することができる。
[Effects of the Invention] The present invention is configured as described above, and can sterilize all places where there is a possibility of being contaminated with fungi. The release of various germs to the outside due to each discharge can be prevented. Thus, sterilization can be performed extremely safely and easily, and secondary contamination and the like can be prevented.

また、ドレンをドレンポットに溜め、滅菌槽に給蒸す
る蒸気により直接加熱できるようにしたので、ドレンの
加熱殺菌を効率良く行え、装置自体のコンパクト化が図
れる。
In addition, since the drain is stored in the drain pot and can be directly heated by the steam supplied to the sterilization tank, the drain can be efficiently sterilized by heating, and the apparatus itself can be made compact.

【図面の簡単な説明】[Brief description of the drawings]

第1図は、この発明に係る蒸気滅菌器の一実施例の配管
系統を示す説明図、第2図及び第3図はその一部分の拡
大説明図、第4図は従来の蒸気滅菌器の配管系統を示す
説明図である。 (1)……缶体 (1a)……滅菌槽 (1b)……蒸気チャンバ (8)……フィルタ (9)……真空ポンプ (12)……ドレンポット
FIG. 1 is an explanatory view showing a piping system of an embodiment of a steam sterilizer according to the present invention, FIGS. 2 and 3 are enlarged explanatory views of a part thereof, and FIG. 4 is a piping of a conventional steam sterilizer. It is explanatory drawing which shows a system. (1) Can body (1a) Sterilization tank (1b) Steam chamber (8) Filter (9) Vacuum pump (12) Drain pot

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】蒸気滅菌器において、滅菌槽(1a)に接続
したドレン排出器(11)の、弁(G)の上流側にドレン
ポット(12)を設ける一方、蒸気流路(18)の給蒸端部
(18′)を前記ドレンポット(12)内に導き、前記給蒸
端部(18′)から放出する蒸気によりドレンポット(1
2)内部のドレンを直接的、又は間接的に加熱した後、
前記ドレン排出路(11)を介して滅菌槽(1a)に給蒸す
る構成としたことを特徴とする蒸気滅菌器。
In a steam sterilizer, a drain pot (12) is provided upstream of a valve (G) of a drain discharger (11) connected to a sterilization tank (1a), while a steam flow path (18) is provided. The steam feeding end (18 ') is guided into the drain pot (12), and the steam discharged from the steam feeding end (18') drains the drain pot (1).
2) After heating the internal drain directly or indirectly,
A steam sterilizer, wherein steam is supplied to a sterilization tank (1a) via the drain discharge path (11).
JP63202076A 1988-08-12 1988-08-12 Steam sterilizer Expired - Lifetime JP2724595B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63202076A JP2724595B2 (en) 1988-08-12 1988-08-12 Steam sterilizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63202076A JP2724595B2 (en) 1988-08-12 1988-08-12 Steam sterilizer

Publications (2)

Publication Number Publication Date
JPH0249658A JPH0249658A (en) 1990-02-20
JP2724595B2 true JP2724595B2 (en) 1998-03-09

Family

ID=16451555

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63202076A Expired - Lifetime JP2724595B2 (en) 1988-08-12 1988-08-12 Steam sterilizer

Country Status (1)

Country Link
JP (1) JP2724595B2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2881914B2 (en) * 1990-02-22 1999-04-12 松下電器産業株式会社 Bedtime equipment
JPH04849U (en) * 1990-04-18 1992-01-07
JP3225843B2 (en) * 1996-06-25 2001-11-05 ▲高▼崎科学器械株式会社 Autoclave
JP2001149447A (en) * 1999-11-26 2001-06-05 Cosmo Project Kk Method for sterilizing infectious waste
JP5184766B2 (en) * 2006-08-25 2013-04-17 栗田工業株式会社 Boiler feed water treatment method
JP6785505B2 (en) * 2017-12-20 2020-11-18 サクラエスアイ株式会社 Steam sterilizer

Also Published As

Publication number Publication date
JPH0249658A (en) 1990-02-20

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