JPS5898393U - Groundwater pressure adjustable underground tank - Google Patents

Groundwater pressure adjustable underground tank

Info

Publication number
JPS5898393U
JPS5898393U JP19620981U JP19620981U JPS5898393U JP S5898393 U JPS5898393 U JP S5898393U JP 19620981 U JP19620981 U JP 19620981U JP 19620981 U JP19620981 U JP 19620981U JP S5898393 U JPS5898393 U JP S5898393U
Authority
JP
Japan
Prior art keywords
pit
tank
groundwater
filter layer
underground
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
JP19620981U
Other languages
Japanese (ja)
Inventor
木原　芳彦
Original Assignee
日立造船株式会社
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 日立造船株式会社 filed Critical 日立造船株式会社
Priority to JP19620981U priority Critical patent/JPS5898393U/en
Publication of JPS5898393U publication Critical patent/JPS5898393U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

図は本考案の一実施例を示す概略断面図である。 １・・・地下貯蔵タンク、２・・・遮水壁、３・・・フ
ィルタ層、４・・・地下水排出ピット、５・・・連通管
（連通路）、６・・・ポンプ。The figure is a schematic sectional view showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Underground storage tank, 2... Impermeable wall, 3... Filter layer, 4... Groundwater discharge pit, 5... Communication pipe (communication path), 6... Pump.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 地下貯蔵タンクの外周面を覆うようにして筒状遮水壁を
埋設し、上記、タンクの下方の土中の遮水壁内にフィル
タ層を形成し、地表面からフィルタ層近傍までの地下水
排出ピットを設け、該ピットと上記フィルタ層と−を連
通させる連通路を設け、ピット内の地下水を外部へ排出
するポンプを設け、タンク内およびピット内にそれぞれ
液面計を設け、両液置針の検出値を比較演算してその雨
検出値の差が設定値以上になったときには上記ポンプを
作動させてピット内の地下水を排出させる制御装置を設
けたことを特徴とする地下水圧調整型地下タンク。A cylindrical impermeable wall is buried to cover the outer circumferential surface of the underground storage tank, and a filter layer is formed within the impermeable wall in the soil below the tank, and groundwater is discharged from the ground surface to the vicinity of the filter layer. A pit is provided, a communication path is provided to communicate the pit with the above-mentioned filter layer, a pump is provided to discharge the groundwater in the pit to the outside, a liquid level gauge is provided in the tank and the pit, and both liquid level needles are provided. An underground water pressure regulating underground tank, characterized in that it is equipped with a control device that compares and calculates detected values and operates the pump to discharge groundwater from the pit when the difference between the detected rain values exceeds a set value. .
JP19620981U 1981-12-25 1981-12-25 Groundwater pressure adjustable underground tank Pending JPS5898393U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19620981U JPS5898393U (en) 1981-12-25 1981-12-25 Groundwater pressure adjustable underground tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19620981U JPS5898393U (en) 1981-12-25 1981-12-25 Groundwater pressure adjustable underground tank

Publications (1)

Publication Number Publication Date
JPS5898393U true JPS5898393U (en) 1983-07-04

Family

ID=30109457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19620981U Pending JPS5898393U (en) 1981-12-25 1981-12-25 Groundwater pressure adjustable underground tank

Country Status (1)

Country Link
JP (1) JPS5898393U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0673748A (en) * 1992-08-26 1994-03-15 Tokyo Gas Co Ltd Cut-off method of underground type storage tank structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0673748A (en) * 1992-08-26 1994-03-15 Tokyo Gas Co Ltd Cut-off method of underground type storage tank structure

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