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JP5602551B2 - Vacuum pump device - Google Patents
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JP5602551B2 - Vacuum pump device - Google Patents

Vacuum pump device Download PDF

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JP5602551B2
JP5602551B2 JP2010207414A JP2010207414A JP5602551B2 JP 5602551 B2 JP5602551 B2 JP 5602551B2 JP 2010207414 A JP2010207414 A JP 2010207414A JP 2010207414 A JP2010207414 A JP 2010207414A JP 5602551 B2 JP5602551 B2 JP 5602551B2
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tank
amount
ejector
fluid
circulation pump
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JP2012062813A (en
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雄一 藤川
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TLV Co Ltd
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TLV Co Ltd
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Description

本発明は、エゼクタとタンクと循環ポンプを組み合わせた真空ポンプ装置に関する。 The present invention relates to a vacuum pump device that combines an ejector, a tank, and a circulation pump.

真空ポンプ装置は、蒸気使用装置としてのシュリンクトンネルと、エゼクタと液体タンクと循環ポンプで構成された真空吸引手段とを、廃蒸気回収パイプで接続したもので、シュリンクトンネルからの廃蒸気を真空吸引手段で吸引することによって、モヤモヤと立ち込める廃蒸気を無くすことができるものである。 The vacuum pump device is a shrink tunnel that uses steam, and vacuum suction means that consists of an ejector, a liquid tank, and a circulation pump, connected by a waste steam recovery pipe. Vacuum suction of the waste steam from the shrink tunnel is provided. By sucking with the means, it is possible to eliminate the waste steam that is trapped in the dullness.

この真空ポンプ装置においては、エゼクタで吸引した廃蒸気の吸引量を、正確に把握することができない問題があった。   This vacuum pump device has a problem that the amount of waste steam sucked by the ejector cannot be accurately grasped.

特開２００２−５５８２号公報Japanese Patent Laid-Open No. 2002-5582

解決しようとする課題は、エゼクタでの吸引量を正確に把握することができる真空ポンプ装置を提供すること。   The problem to be solved is to provide a vacuum pump device that can accurately grasp the amount of suction in the ejector.

本発明は、エゼクタとタンクと循環ポンプを連通して、タンク内の流体を循環ポンプの駆動によってエゼクタに供給するものにおいて、タンク内に循環流体を補給する循環流体補給管を接続して、当該循環流体補給管に補給流体量を検出することのできる流量計を取り付けたものである。 The present invention communicates an ejector, a tank, and a circulation pump, and supplies the fluid in the tank to the ejector by driving the circulation pump. A flow meter capable of detecting the amount of replenishing fluid is attached to the circulating fluid replenishment pipe.

本発明の真空ポンプ装置は、循環ポンプの駆動による循環流体量をタンクの液位から算出し、タンク内へ補給する流体量を流量計で検出して、前者から後者の流体量を差し引くことによって、エゼクタでの吸引量を正確に把握することができる。   The vacuum pump apparatus of the present invention calculates the amount of circulating fluid by driving the circulation pump from the liquid level of the tank, detects the amount of fluid to be replenished into the tank with a flow meter, and subtracts the latter fluid amount from the former. Therefore, it is possible to accurately grasp the suction amount in the ejector.

本発明の真空ポンプ装置の実施例を示す構成図。The block diagram which shows the Example of the vacuum pump apparatus of this invention.

本発明の真空ポンプ装置は、循環流体補給管に流量計を取り付けるものであるが、この流量計としては、渦式流量計など従来周知のものを用いることができる。   The vacuum pump device according to the present invention has a flow meter attached to a circulating fluid supply pipe. As this flow meter, a conventionally known device such as a vortex flow meter can be used.

図１において、エゼクタ１とタンク２と循環ポンプ３、及び、循環流体補給管４とで本発明の真空ポンプ装置を構成する。 In FIG. 1, an ejector 1, a tank 2, a circulation pump 3, and a circulation fluid supply pipe 4 constitute a vacuum pump device of the present invention.

エゼクタ１の吸引室５に、吸引する流体例えば温水の流下する排水管６を接続する。エゼクタ１とタンク２と循環ポンプ３は、それぞれ循環路７で接続する。タンク２は密閉円筒状で、左側上部に循環流体補給管４を接続する。循環流体補給管４には、タンク２へ流入する補給流体としての冷却水量を検出することのできる流量計８を取り付ける。また、流量計８のタンク２側には、循環流体補給管４を開閉制御する自動弁９を取り付ける。タンク２の内部に、タンク２内の水位を検出することのできる複数の電極棒１０，１１，１２を取り付ける。 The suction pipe 5 of the ejector 1 is connected to a drain pipe 6 through which a fluid to be sucked, for example, warm water flows down. The ejector 1, the tank 2 and the circulation pump 3 are connected by a circulation path 7. The tank 2 has a sealed cylindrical shape, and a circulating fluid supply pipe 4 is connected to the upper left side. The circulating fluid supply pipe 4 is provided with a flow meter 8 capable of detecting the amount of cooling water as supply fluid flowing into the tank 2. Further, an automatic valve 9 for opening / closing the circulating fluid supply pipe 4 is attached to the tank 2 side of the flow meter 8. A plurality of electrode rods 10, 11, and 12 that can detect the water level in the tank 2 are attached to the inside of the tank 2.

タンク２の右側下部から循環ポンプ３の吸入口を循環路７で接続し、循環ポンプ３の吐出口を循環路７でエゼクタ１と接続する。循環ポンプ３とエゼクタ１の間に、循環路７を分岐した余剰水排出管１３を接続する。余剰水排出管１３には、自動弁１４を取り付ける。 From the lower right side of the tank 2, the suction port of the circulation pump 3 is connected by the circulation path 7, and the discharge port of the circulation pump 3 is connected by the circulation path 7 to the ejector 1. An excess water discharge pipe 13 branched from the circulation path 7 is connected between the circulation pump 3 and the ejector 1. An automatic valve 14 is attached to the surplus water discharge pipe 13.

循環ポンプ３の駆動により、タンク２内の循環水をエゼクタ１へ供給することによって、エゼクタ１の吸引室５で所定の吸引力を発生して、排水管６を流下してくる温水を吸引してタンク２内へ圧送することができるものである。   By supplying the circulating water in the tank 2 to the ejector 1 by driving the circulation pump 3, a predetermined suction force is generated in the suction chamber 5 of the ejector 1 and the hot water flowing down the drain pipe 6 is sucked. Can be pumped into the tank 2.

タンク２内の水位は電極棒１０，１１，１２で検出され、下水位から上水位の間を上下し、上水位に達すると、余剰水排出管１３の自動弁１４が開弁して外部へ排出される。タンク２内の容積と電極棒１０，１１，１２の高さは予め判っているために、下水位と上水位の移動サイクルを電極棒１０，１１，１２で検出することで、排水管６から流入する温水の量を演算することができる。   The water level in the tank 2 is detected by the electrode rods 10, 11, 12 and goes up and down between the lower water level and the upper water level. When the upper water level is reached, the automatic valve 14 of the surplus water discharge pipe 13 opens to the outside. Discharged. Since the volume in the tank 2 and the height of the electrode rods 10, 11, 12 are known in advance, by detecting the movement cycle of the lower water level and the upper water level with the electrode rods 10, 11, 12, The amount of warm water flowing in can be calculated.

タンク２内には図示はしていないが水温を検出する温度センサを取り付けて、循環流体補給管４の自動弁９と電気接続する。タンク２内の水温が所定の高さに達すると、自動弁９が開弁して循環流体補給管４からタンク２内へ冷却水を補給するものである。このように、タンク２内へ補給される冷却水の量は、流量計８で検出される。   Although not shown in the figure, a temperature sensor for detecting the water temperature is attached in the tank 2 and electrically connected to the automatic valve 9 of the circulating fluid supply pipe 4. When the water temperature in the tank 2 reaches a predetermined height, the automatic valve 9 opens to replenish the cooling water from the circulating fluid supply pipe 4 into the tank 2. In this way, the amount of cooling water replenished into the tank 2 is detected by the flow meter 8.

上述した電極棒１０，１１，１２でタンク２内の水位から演算する水量は、循環流体補給管４から供給される補給水の水量も含んでいるために、前者の水量から後者の水量を差し引くことによって、エゼクタ１での吸引水量を正確に把握することができる。   Since the amount of water calculated from the water level in the tank 2 by the electrode rods 10, 11, and 12 includes the amount of makeup water supplied from the circulating fluid supply pipe 4, the latter amount of water is subtracted from the former amount of water. As a result, the amount of sucked water in the ejector 1 can be accurately grasped.

本発明は、エゼクタでの吸引水量を正確に把握したい場合の真空ポンプ装置として利用することができる。   The present invention can be used as a vacuum pump device when it is desired to accurately grasp the amount of suction water in the ejector.

１ エゼクタ
２ タンク
３ 循環ポンプ
４ 循環流体補給管
５ 吸引室
６ 排水管
８ 流量計
１０，１１，１２ 電極棒 1 Ejector 2 Tank 3 Circulation Pump 4 Circulating Fluid Supply Pipe 5 Suction Chamber 6 Drainage Pipe 8 Flowmeter 10, 11, 12 Electrode Rod

Claims (1)

エゼクタとタンクと循環ポンプを連通して、
前記タンク内の流体を前記循環ポンプの駆動によって前記エゼクタに供給するものにおいて、
前記タンク内に循環流体を補給する循環流体補給管を接続して、
前記循環流体補給管に補給流体量を検出することのできる流量計を取り付け、
前記循環ポンプの駆動による循環流体量をタンクの液位から算出し、
前記タンク内へ補給する流体量を前記流量計で検出し、
前者流体量から後者流体量を差し引くことによって、前記エゼクタでの吸引量を算出すること
を特徴とする真空ポンプ装置。 Communicating the ejector, tank and circulation pump,
In supplies the fluid in the tank into the ejector by the driving of the circulation pump,
Connect the circulating fluid supply pipe that supplies the circulating fluid in the tank,
Attaching a flow meter capable of detecting the replenishment fluid volume in the circulating fluid supply pipe,
Calculate the amount of circulating fluid by driving the circulation pump from the liquid level of the tank,
The flow meter detects the amount of fluid replenished into the tank,
A vacuum pump device , wherein the suction amount by the ejector is calculated by subtracting the latter fluid amount from the former fluid amount .
JP2010207414A 2010-09-16 2010-09-16 Vacuum pump device Expired - Fee Related JP5602551B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010207414A JP5602551B2 (en) 2010-09-16 2010-09-16 Vacuum pump device

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Application Number Priority Date Filing Date Title
JP2010207414A JP5602551B2 (en) 2010-09-16 2010-09-16 Vacuum pump device

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JP2012062813A JP2012062813A (en) 2012-03-29
JP5602551B2 true JP5602551B2 (en) 2014-10-08

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TR202019646A2 (en) 2020-12-03 2021-04-21 Repg Enerji Sistemleri San Ve Tic A S A PUMP

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61169796A (en) * 1985-01-24 1986-07-31 株式会社東芝 Supply device for coolant of boiling water type reactor
JPH01244200A (en) * 1988-03-24 1989-09-28 Nec Corp Liquid pump
JP3623010B2 (en) * 1994-06-14 2005-02-23 藤倉ゴム工業株式会社 Metered dispenser
JPH0858894A (en) * 1994-08-23 1996-03-05 Ishikawajima Harima Heavy Ind Co Ltd Liquid transfer device
JP2002147400A (en) * 2000-11-15 2002-05-22 Tlv Co Ltd Ejector vacuum pump

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