JPH0723091U - Vacuum type sewage collection facility - Google Patents

Vacuum type sewage collection facility

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Publication number
JPH0723091U
JPH0723091U JP5398193U JP5398193U JPH0723091U JP H0723091 U JPH0723091 U JP H0723091U JP 5398193 U JP5398193 U JP 5398193U JP 5398193 U JP5398193 U JP 5398193U JP H0723091 U JPH0723091 U JP H0723091U
Authority
JP
Japan
Prior art keywords
vacuum
pipe
sewage
pump
collection facility
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.)
Pending
Application number
JP5398193U
Other languages
Japanese (ja)
Inventor
俊幸 渡辺
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.)
Hitachi Metals Ltd
Original Assignee
Hitachi Metals Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP5398193U priority Critical patent/JPH0723091U/en
Publication of JPH0723091U publication Critical patent/JPH0723091U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】 【目的】 河川を横断しても、集水可能範囲の狭まらな
い真空式汚水収集設備を提供すること。 【構成】 真空式汚水収集設備であって、自然流下管か
らの汚水を集める集水桝と、集水桝中に設置したポンプ
と、ポンプの吐出側に接続し、河川等を上越する送水配
管と真空配管とよりなり、送水配管を真空配管に直接連
結すると共に真空配管に電動弁を介して空気取り入れ配
管を連結した系列を有することを特徴とするものであ
る。
(57) [Summary] [Purpose] To provide a vacuum type sewage collection facility that does not narrow the water collection range even when it crosses a river. [Structure] A vacuum type sewage collection facility that collects sewage from the natural flow pipe, a pump installed in the sewage basin, and a water supply pipe that connects to the discharge side of the pump and crosses rivers, etc. And a vacuum pipe, which has a series in which the water supply pipe is directly connected to the vacuum pipe and the air intake pipe is connected to the vacuum pipe via an electric valve.

Description

【考案の詳細な説明】[Detailed description of the device]

【0001】[0001]

【産業上の利用分野】[Industrial applications]

本考案は比較的人口の少ない集落に設置され、家庭や施設から排出される汚水 を真空を利用して収集する真空式汚水収集設備に関する。 The present invention relates to a vacuum type sewage collection facility installed in a village with a relatively small population and collecting sewage discharged from homes and facilities using a vacuum.

【0002】[0002]

【従来の技術】[Prior art]

真空式汚水収集設備は、図2、図3に示すように、概略は汚水生源としての家 庭10と、その家庭10からの汚水を集めて溜めるための集水桝11と、集水桝 11中に設置された真空弁12と、真空ポンプ13を連設した真空タンク14と 、真空弁12と真空タンク14を連結した真空配管15とよりなる。真空配管1 5は真空タンク14を設置したステーションから数百メートルから数千メートル に及び、それに沿って多数の真空弁12が設置される。 各家庭10から排出された汚水は地中の自然流下管16を通って地下の集水桝1 1に流れ込む。一定量溜ると真空弁12のコントローラ(図示せず)が開き汚水 は吸い込み管17から吸込まれ、真空弁12を介して地中に埋設した分岐真空配 管18を通じて地中に埋設された真空配管15に吸い込まれ、続いて空気が吸い 込み管17から吸い込まれ、真空弁12を介して分岐真空配管18を通じて真空 配管15に吸い込まれる。真空配管15中に入った空気は膨張し汚水と空気の混 相流となってステーションの真空タンク14に集められる。真空タンク14の空 気は真空ポンプ13により排出され、真空タンク14は一定真空に保たれる。真 空タンク14に溜った汚水は圧送ポンプ19によって下水処理場などへ送られる 。 As shown in FIGS. 2 and 3, the vacuum type sewage collection facility is generally provided with a house 10 as a source of sewage, a collecting basin 11 for collecting and collecting the sewage from the house 10, and a collecting basin 11. A vacuum valve 12 installed therein, a vacuum tank 14 in which a vacuum pump 13 is provided in series, and a vacuum pipe 15 connecting the vacuum valve 12 and the vacuum tank 14. The vacuum pipe 15 extends from several hundred meters to several thousand meters from the station where the vacuum tank 14 is installed, and many vacuum valves 12 are installed along it. The sewage discharged from each home 10 flows into the underground catchment basin 11 through the underground natural flow pipe 16. When a certain amount of water is accumulated, the controller (not shown) of the vacuum valve 12 opens and sewage is sucked from the suction pipe 17, and the vacuum pipe buried in the ground through the branch vacuum pipe 18 buried in the ground via the vacuum valve 12. Then, the air is sucked into the vacuum pipe 15 through the vacuum valve 12 and the branch vacuum pipe 18 through the branch vacuum pipe 18. The air that has entered the vacuum pipe 15 expands and becomes a mixed-phase flow of sewage and air, and is collected in the vacuum tank 14 of the station. The air in the vacuum tank 14 is discharged by the vacuum pump 13, and the vacuum tank 14 is maintained at a constant vacuum. The sewage collected in the sky tank 14 is sent to a sewage treatment plant or the like by a pressure pump 19.

【0003】[0003]

【考案が解決しようとする課題】[Problems to be solved by the device]

真空式汚水収集設備においては、その送水可能範囲での真空配管の終端で最低 −2.5mAqの負圧に保たれる必要がある。真空弁は最低−2.5mAqの作 動圧が必要であるからである。また通常真空ポンプは概略−6mAqで運転する から、真空配管中の許容される管ロスは−3.5mAqが限度となる。この条件 下で真空式汚水収集設備を設置するとき、その集落等が平坦でしかも河川がない 地区であれば、従来の真空式汚水収集設備でよいが、河川を横断して真空配管を 敷設せねばならぬときは、真空配管を河川部で立ち上げて横断することになる。 そのとき真空吸引では立ち上げのリフトロスが大きくなり、その分許容される管 ロスが小さくなって、送水可能範囲が狭くなるという問題点があった。 その問題点を解決する手段として、特開平4−258424号で開示されている ように、河川の一方岸にある真空配管と他方岸にある真空配管とを、河川の下側 をくぐる通水管と河川の上側を通る通気管で連結して、一方岸の真空配管内の汚 水をそれよりも低位の他方岸の真空配管にサイホンの原理で輸送し、且つ通気管 で負圧を一方側の真空配管にも伝え、こうすることによりリフトロスがなくなる というものである。 しかしこの方法では、河川の下を横断するときは川底から2乃至3m下を通さ ねばならず、そのため大がかりな工事手段が必要となるという問題点を有してい る。 本考案は上記問題点を解消して、大がかりな工事によることもなく、しかも真 空圧のリフトロスを防げる真空式汚水収集設備を提供することを目的とする。 In vacuum type sewage collection equipment, it is necessary to maintain a negative pressure of at least -2.5 mAq at the end of the vacuum piping within the water supply range. This is because the vacuum valve requires an operating pressure of at least -2.5 mAq. Moreover, since the vacuum pump normally operates at approximately -6 mAq, the allowable pipe loss in the vacuum pipe is limited to -3.5 mAq. When installing a vacuum type sewage collection facility under these conditions, conventional vacuum type sewage collection facility may be used in areas where the settlements are flat and there are no rivers, but vacuum piping should be laid across the river. When it is necessary to do this, the vacuum pipe will be set up in the river section and crossed. At that time, there was a problem that the vacuum suction increased lift loss at start-up, and the allowable pipe loss decreased correspondingly, narrowing the water supply range. As a means for solving the problem, as disclosed in Japanese Patent Laid-Open No. 4-258424, a vacuum pipe on one bank of the river and a vacuum pipe on the other bank are provided with a water pipe passing under the river. By connecting with a ventilation pipe that passes above the river, the sewage in the vacuum piping on one bank is transported to the vacuum piping on the other bank lower than that by the principle of siphon, and the negative pressure is used by the ventilation pipe on one side. It also tells the vacuum piping that the lift loss will disappear. However, this method has a problem that when it crosses under a river, it has to pass 2 to 3 m below the bottom of the river, which requires large-scale construction means. It is an object of the present invention to solve the above problems and to provide a vacuum type waste water collecting equipment which can prevent lift loss of the atmospheric pressure without requiring large-scale construction.

【0004】[0004]

【課題を解決するための手段】[Means for Solving the Problems]

本考案は、家庭や施設から排出される汚水をためる、真空弁を備えた複数の集 水桝と、真空ポンプを接続した真空タンクと、前記真空弁と前記真空タンクとを 真空配管で接続した真空式汚水収集設備であって、自然流下管からの汚水を集め る集水桝と、集水桝中に設置したポンプと、ポンプの吐出側に接続し河川等を上 越しする送水配管とを有し、前記河川の反対岸に配設した真空配管に前記送水配 管を接続するとともに、電動弁を取付けた空気取り入れ管を真空配管に接続した こと特徴とするものである。 The present invention connects a plurality of water collecting tanks equipped with a vacuum valve for collecting dirty water discharged from homes and facilities, a vacuum tank to which a vacuum pump is connected, and the vacuum valve and the vacuum tank are connected by a vacuum pipe. It is a vacuum type sewage collection facility that includes a water collecting basin that collects the sewage from the natural flow pipe, a pump installed in the water collecting basin, and a water supply pipe that connects to the discharge side of the pump and crosses a river or the like. The water supply pipe is connected to a vacuum pipe arranged on the opposite bank of the river, and an air intake pipe having a motor-operated valve is connected to the vacuum pipe.

【0005】[0005]

【実施例】【Example】

本考案の実施例を図面に基づいて説明する。 図1は本考案の実施例のスケルトン図である。図中1は集水桝で、それに複数 の自然流下管2を接続し、自然流下管2は各家庭(図示せず)に接続して各家庭 からの汚水を集水桝1に集める。集水桝1中には水中ポンプ3を設置し、その吐 出側に送水配管4を接続し、送水配管4中には電動弁8を装着する。水中ポンプ 3は或る程度の大きさの固形物でも支障なく吸引できる既存のものでよい。5は 河川であり、この河川を挾んで対岸に従来例の一部をなす真空配管15設置する 。そして前記送水配管4を河川5を上越ししたのち、前記真空配管15と接続し 、さらにその近傍で、真空配管15に電動弁7を取付けた空気取り入れ管6を接 続する。 An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a skeleton diagram of an embodiment of the present invention. In the figure, reference numeral 1 designates a water collecting basin, to which a plurality of natural flow pipes 2 are connected. The natural water flowing down pipe 2 is connected to each household (not shown) to collect sewage from each household into the water collecting basin 1. An underwater pump 3 is installed in the water collecting tank 1, a water supply pipe 4 is connected to the discharge side thereof, and an electric valve 8 is mounted in the water supply pipe 4. The submersible pump 3 may be an existing submersible pump capable of suctioning a solid material of a certain size without any trouble. Reference numeral 5 is a river, and a vacuum pipe 15 which is a part of the conventional example is installed on the opposite bank across the river. Then, after passing the water supply pipe 4 over the river 5, it is connected to the vacuum pipe 15, and further in the vicinity thereof, an air intake pipe 6 having an electric valve 7 attached to the vacuum pipe 15 is connected.

【0006】 各家庭から排出された汚水は自然流下管2を経由して集水桝1に集められ、そ こに溜められる。所定の水位になったら水位計(図示せず)の指示によって、水 中ポンプ3が作動するとともに電動弁8が開になり、集水桝1中の汚水を送水配 管3中に送りだす。汚水は送水配管3中を通って河川5を経由して、対岸に敷設 されている真空配管15中に圧送される。集水桝1中の汚水が所定水位まで下が ると、水中ポンプ3は停止し電動弁8が閉になり送水がとまる。そして水中ポン プ3の停止と同時に空気取り入れ管6に取付けた電動弁7を開いて、真空配管1 5中に空気を取り入れる。真空配管15中に入った空気は膨張して汚水と空気の 混相流となってステーションの真空タンク14に集められる。真空タンク14の 空気は真空ポンプ13により排出され、真空タンク14内は一定真空に保たれる 。真空タンク14に溜った汚水は圧送ポンプ19により下水処理場などに送られ る。Sewage discharged from each home is collected in a water collecting basin 1 via a natural flow-down pipe 2 and stored there. When the water level reaches a predetermined level, the submersible pump 3 is activated and the motor-operated valve 8 is opened according to an instruction from a water level gauge (not shown), and the dirty water in the water collecting basin 1 is sent into the water supply pipe 3. The sewage is pumped through the water supply pipe 3 and the river 5 into the vacuum pipe 15 laid on the opposite bank. When the sewage in the water collecting basin 1 falls to a predetermined water level, the submersible pump 3 is stopped and the electric valve 8 is closed to stop the water supply. When the submersible pump 3 is stopped, the motor-operated valve 7 attached to the air intake pipe 6 is opened and air is taken into the vacuum pipe 15. The air that has entered the vacuum pipe 15 expands and becomes a multiphase flow of sewage and air, and is collected in the vacuum tank 14 of the station. The air in the vacuum tank 14 is discharged by the vacuum pump 13, and the inside of the vacuum tank 14 is maintained at a constant vacuum. The sewage collected in the vacuum tank 14 is sent to a sewage treatment plant by a pressure pump 19.

【0007】 河川等を横断する必要のない区域は従来の真空式汚水収集設備を敷設し、河川 を横断する区域は本実施例に示した設備を敷設し、河川を横断した地点で両者を 結合するものである。Conventional vacuum type waste water collection equipment is laid in an area that does not need to cross a river, and the equipment shown in this embodiment is laid in an area that crosses a river. To do.

【0008】[0008]

【考案の効果】[Effect of device]

本考案は上記構成としたから、大がかりな工事を行うことなくリフトロスを解 消する真空式汚水収集設備を提供することができる。 Since the present invention has the above-described configuration, it is possible to provide a vacuum type waste water collection facility that eliminates lift loss without performing large-scale construction.

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

【図1】本考案の実施例の概略スケルトン図である。FIG. 1 is a schematic skeleton diagram of an embodiment of the present invention.

【図2】本考案に係る真空式汚水収集設備の基本的なス
ケルトン図である。
FIG. 2 is a basic skeleton diagram of the vacuum type waste water collection facility according to the present invention.

【図3】本考案に係る真空弁桝及び真空弁の構造を示す
一部断面正面図である。
FIG. 3 is a partial sectional front view showing the structure of a vacuum valve stem and vacuum valve according to the present invention.

【符号の説明】[Explanation of symbols]

1 集水桝 2 自然流下管 3 水中ポンプ 4 送水配管 5 河川 6 空気取り入れ管 7 電動弁 8 電動弁 15 真空配管 1 Water collecting basin 2 Natural downflow pipe 3 Submersible pump 4 Water supply pipe 5 River 6 Air intake pipe 7 Motorized valve 8 Motorized valve 15 Vacuum piping

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】 家庭や施設から排出される汚水を溜る、
真空弁を備えた複数の集水桝と、真空ポンプを接続した
真空タンクと、前記真空弁と前記真空タンクとを真空配
管で接続した真空式汚水収集設備であって、自然流下管
からの汚水を集める集水桝と、集水桝中に設置したポン
プと、ポンプの吐出側に接続し河川等を上越しする送水
配管とを有し、前記河川の反対岸に配設した真空配管に
前記送水配管を接続するとともに、電動弁を取付けた空
気取り入れ管を真空配管に接続したこと特徴とする真空
式汚水収集設備。
1. Collecting sewage discharged from homes and facilities,
A plurality of water collecting tanks equipped with a vacuum valve, a vacuum tank to which a vacuum pump is connected, and a vacuum type wastewater collection facility in which the vacuum valve and the vacuum tank are connected by vacuum piping, wherein wastewater from a natural flow pipe is used. A collecting basin for collecting water, a pump installed in the collecting basin, and a water supply pipe connected to the discharge side of the pump and transcending rivers, and the vacuum pipe arranged on the opposite bank of the river. Vacuum type sewage collection facility characterized by connecting an air intake pipe equipped with an electric valve to a vacuum pipe as well as connecting a water supply pipe.
JP5398193U 1993-10-05 1993-10-05 Vacuum type sewage collection facility Pending JPH0723091U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5398193U JPH0723091U (en) 1993-10-05 1993-10-05 Vacuum type sewage collection facility

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5398193U JPH0723091U (en) 1993-10-05 1993-10-05 Vacuum type sewage collection facility

Publications (1)

Publication Number Publication Date
JPH0723091U true JPH0723091U (en) 1995-04-25

Family

ID=12957808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5398193U Pending JPH0723091U (en) 1993-10-05 1993-10-05 Vacuum type sewage collection facility

Country Status (1)

Country Link
JP (1) JPH0723091U (en)

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