JPH0394820A - Membrane separator utilizing water head - Google Patents

Membrane separator utilizing water head

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Publication number
JPH0394820A
JPH0394820A JP22920389A JP22920389A JPH0394820A JP H0394820 A JPH0394820 A JP H0394820A JP 22920389 A JP22920389 A JP 22920389A JP 22920389 A JP22920389 A JP 22920389A JP H0394820 A JPH0394820 A JP H0394820A
Authority
JP
Japan
Prior art keywords
membrane
tank
pipeline
water tank
outlet
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
JP22920389A
Other languages
Japanese (ja)
Inventor
Kazumi Kaneko
和己 金子
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.)
Fujita Corp
Original Assignee
Fujita Corp
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 Fujita Corp filed Critical Fujita Corp
Priority to JP22920389A priority Critical patent/JPH0394820A/en
Publication of JPH0394820A publication Critical patent/JPH0394820A/en
Pending legal-status Critical Current

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  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PURPOSE:To reduce the consumption of electric energy by providing a level difference enough to obtain a water head equivalent to the required pressure between the surfaces of the inlet pipeline and outlet pipeline opened to the atmosphere and the membrane. CONSTITUTION:The inlet pipeline 3 is laid between a water tank 2 and the inlet side of the membrane 1, and a pump 4 for supplying a liq. to be treated in the tank 2 is provided to the pipeline 3. One end of the outlet pipeline 5 is connected to the outlet side of the membrane 1, the other end of the pipeline 5 is opened to allow the concd. circulating liq. to overflow into the tank 2. A sufficient level difference H from the membrane 1 is provided to the surfaces of the pipelines 3 and 5 opened to the atmosphere so that a water head greater than the operating pressure of the membrane 1 is produced. The liq. to be treated in the tank 2 is supplied to the pipeline 3 in the amt. required by the membrane 1, the concd. liq. is allowed to overflow into the tank 2 and resupplied. The consumption of energy required for the membrane separation is reduced in this way.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は排水処理、用水処理、海水脱塩、有価物の濃縮
、回収処理等に適用される膜分離装置に係るものである
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a membrane separation device that is applied to wastewater treatment, water treatment, seawater desalination, concentration of valuable materials, recovery treatment, and the like.

(従来の技術) 第4図は従来のこの種の膜分離装置を示し、逆浸透膜や
限外濾過膜よりなる膜(a)の入口側と循環水槽い)と
の間に、中間に同水槽(b)内の処理対象液の供給ポン
プ(C)が介装された入口配管(d)を配設するととも
に、前記水槽(b)の出口側に一端が接続された出口配
管(e)の他端を、前記水槽い)内に濃1i!循環液が
溢出するように大気中に開放して構成されている。
(Prior art) Fig. 4 shows a conventional membrane separation device of this type, in which a membrane (a) consisting of a reverse osmosis membrane or an ultrafiltration membrane has a similar An inlet pipe (d) is provided with a pump (C) for supplying the liquid to be treated in the water tank (b), and an outlet pipe (e) is connected at one end to the outlet side of the water tank (b). Place the other end into the aquarium). It is configured to be open to the atmosphere so that the circulating fluid overflows.

なお前記ポンプ(C)は使用膜種の操作圧力、供給水量
を満たすように設定され、特に圧力としては、限外濾過
膜で1〜5kgf/cd、逆浸透膜では10〜SOkg
f/!0:d程度が必要とされていた。
The pump (C) is set to satisfy the operating pressure and water supply amount of the membrane used, particularly the pressure is 1 to 5 kgf/cd for ultrafiltration membranes and 10 to SOkg for reverse osmosis membranes.
f/! A ratio of about 0:d was required.

(発明が解決しようとする課題) 前記従来の膜処理装置においては高圧ポンプが必要とさ
れ、その運転に際しては多量の電気エネルギーを消費す
ることになる. また前記高圧ポンプの稼動に用いたエネルギーの殆んど
が熱エネルギーに変化し、この結果、循環液の温度上昇
を招来する.これは膜の種類にょっては使用幅能温度を
超え、またイf1i1I物の濃縮、回収等においては対
象有価物の変質+:′つながるため、.Wi環水槽内に
冷却装置を配設i、なければなζ)ない場合がある。
(Problems to be Solved by the Invention) The conventional membrane treatment equipment described above requires a high-pressure pump, and its operation consumes a large amount of electrical energy. Furthermore, most of the energy used to operate the high-pressure pump is converted into thermal energy, resulting in an increase in the temperature of the circulating fluid. Depending on the type of membrane, this may exceed the operating temperature, and in the case of concentrating and recovering IF1I1I products, this may lead to deterioration of the target valuable material. There may be cases where a cooling device is not provided in the aquarium.

本発明は前記従来技{ネ】の有する問題点に迄みこ提案
されたもので、その目的とする処は、膜処理に必要な処
理対象液供給ポンプのIIt出圧を低1+−,うる膜処
理装置を提供づる点にある。
The present invention has been proposed to address the problems of the prior art described above, and its purpose is to reduce the IIt output pressure of the liquid supply pump required for membrane treatment by reducing the The point is to provide processing equipment.

(課題を解決するための千段) 前記の目的を達戊するため、本発明に係る膜処理装置に
おいては、前記入[11X]配管及び出r−1配管の大
気開放面と、前記膜との間に、同欣が必要とする}十力
に相当する水頭圧が得られるだけの高低差が設けられて
いる。
(A Thousand Steps to Solving the Problem) In order to achieve the above object, in the membrane treatment apparatus according to the present invention, the air-opening surface of the input [11X] piping and the output r-1 piping, and the membrane There is a height difference between them that is sufficient to obtain the head pressure equivalent to the ten forces required by the same law.

(作用) 本発明によれば、膜処理に必要とされる爪力を,同脱と
、,同膜に接続.された配管との木頭差によ,)で得よ
うとするもので、前記脱の入r]側及び出■側に接続し
た配管の人気開放面ど膜本体との間に、112 !l:
u作圧力に相当3“る水頭lfが得られるだOの高低差
を設け、+i′l1記木ンブは膜入I1側と循環水槽と
の間に配設された人[]配青まり、膜が必要どずるだけ
の水發で処理対象液を供給し2、膜出l」側し′接続さ
れた出l−1配管より濃縮液をiil記水槽c7溢出さ
せ、更に同′a縮液を処理対象原液ととも乙こ再供給す
るものごある。
(Function) According to the present invention, the claw force required for membrane treatment is connected to the same membrane. Due to the difference in head of the piping, 112! l:
A height difference of 0 is provided to obtain a water head lf equivalent to the working pressure of 3, and the +i'l1 wood is placed between the membrane input I1 side and the circulating water tank. Supply the liquid to be treated with the amount of water needed by the membrane 2, and overflow the concentrated liquid from the connected outlet 1-1 piping to the membrane outlet 1' side, and then the condensed liquid There is also the possibility of resupplying the raw solution to be processed.

従って本発明によれば、前記,1ミンブの必要jA力が
、前紀入Iコ配管及び出D配管の人気開放而ど前記膜と
の高低差分、及びAil記各配管,if!.に膵の■力
出失のめとなり、前記{d来装置におけるポンプ必要1
』]力と比較1,て著しく低減される。
Therefore, according to the present invention, the required jA force of 1 minute is determined by the height difference between the inlet I pipe and the outlet D pipe with respect to the membrane, and each pipe in Ail, if! .. This can lead to a loss of pancreatic power, and the need for a pump in the device
’] force is significantly reduced compared to 1.

(実施例) 以下本発明を図ホの実施例について説明する。(Example) The present invention will be described below with reference to the embodiment shown in Figure E.

(1)は逆浸透膜や限外濾過脱よりなる朕、(2)は処
理対象液が流入する循環水糟で、同水槽(2)ど前記膜
(1)の人D側との間に人[.1配管(3)が配設され
るとともに、同人[]配管(3)に1111記水槽(2
)内の処理対象液0)供給ポンプ(4)が介装されてい
る。
(1) is a reverse osmosis membrane or ultrafiltration system, and (2) is a circulating water tank into which the liquid to be treated flows, and the water tank (2) is between the membrane (1) and the person D side. Man[. 1 pipe (3) is installed, and the 1111 water tank (2) is installed in the doujin[] pipe (3).
) A supply pump (4) is interposed.

また前記膜(1)の出口側には、出11配管(5)の−
・端が接続され、同出l]配賀(5)の他端は11;j
記水槽(2)内に濃縮循環液が溢出j−るよ)に開赦さ
れ、l1;1記名配管(3)(5) +7)人気開放面
は,、脱(1)の操作}1ffi力以+0)水頭]王が
得られるよ・)に、膜(1)から充分な高低差1{を有
する。
In addition, on the outlet side of the membrane (1), there is a -
・The ends are connected, and the other end of the same output (5) is 11;j
Concentrated circulating fluid overflows into the water tank (2)) and is opened, l1; 1 piping (3) (5) +7) The popular open surface is removed (1) +0) water head] is obtained.) has a sufficient height difference of 1{ from the membrane (1).

前記ポンプ{4}は膜(1)の入「」側に接続.された
入I」配管(3)に、前記水槽(2)内の処理対象液を
膜(1)が,M=要とするだけの水量で供給し、11号
膜(1)の出C”]側(こ接続された出目配管(5)か
h前記+.槽(2)内に濃縮液を溢出させ、東に処理対
象原液とどもに、再供袷ずるものである。
The pump {4} is connected to the input side of the membrane (1). The liquid to be treated in the water tank (2) is supplied to the input pipe (3) of the No. 11 membrane (1) in an amount as much as M=required by the membrane (1). ] side (the connected pipe (5) or the above-mentioned +. The concentrated liquid overflows into the tank (2) and is re-offered to the east along with the undiluted liquid to be treated.

従って図示の実施例によれば、前記ポンプ(4)の必要
民力は、前記入「]配W(3)及び出IXiiil配管
(5)の大気開放而の島低差分、及び前記各配管(3)
 (5)、膜(illの圧力損失のみであり、{t来装
置におけるポンプ必要圧力と比較して著しく低減される
Therefore, according to the illustrated embodiment, the required power of the pump (4) is determined by the difference in air pressure between the input pipe W (3) and the output I )
(5) The only pressure drop across the membrane (illuminated) is significantly reduced compared to the pumping pressure required in the device.

第2図は本発明を高層ビルの中水処理装置に適用した実
施例を示し,、膜(1)は地ト階に設置され、循環水槽
(2)及び前記ポンプ(4)は屋1;に設置され、人口
配管(3)並に出「]配管(5)の大気開放面と膜(1
)との間に膜(1)の操作圧力、以l二の水頭差が得ら
れるよ・うに構成されでいて、前記膜(1)の透過処理
水が中水として利用されるものである。図中(7)は徘
水槽で、ポンプ(8)を介して同槽(7)内のJJ[水
が前記水槽(2)に供給されるようになっている。
FIG. 2 shows an embodiment in which the present invention is applied to a gray water treatment system of a high-rise building, where the membrane (1) is installed on the ground floor, and the circulating water tank (2) and the pump (4) are installed in the building 1; It is installed in the artificial pipe (3) and the air-opening surface of the pipe (5) and the membrane (1).
), the operating pressure of the membrane (1), and the water head difference between the membrane (1) and the membrane (1) are obtained, and the water permeated through the membrane (1) is used as gray water. In the figure, (7) is a wandering water tank, and JJ water in the tank (7) is supplied to the water tank (2) via a pump (8).

第3rAは犬深度の地1・を利用し2た水処理施設乙ご
本発明を適用した実施例を示1,、(8)は大深度地下
に設けられた処理水槽、(9)は同処理永槽(8)内の
舛理水を放流、,又は利用場所に供給するボンゾで、図
中前記実施例と均等部分には同−=符月が附されている
. (発明の効果) 本発明に係る膜分離装置によれば、前記し六一ように、
膜の入E]側と処理対象液が流入する循覆水槽との間に
配設され、中間に供給ポンプが介装された入1]配管ど
,7一端が前記膜の出口側に接続され、他端が前記水槽
内に濃縮W!環液が溢出ずるように大気中に開放された
出「]配管の大気開放面と前記膜との間に、同膜が必要
とする圧力に相当する水頭差が得られるだけの高低差を
設けたこどによって,脱処理に必要な前記供給ポンプの
吐出圧力を著しく低減して、膜処理に要するエネルギー
消費量を節凍し、この消費エネルギーが少ない分だけ温
度上昇も低減され、前記水槽内に冷却装置を設ける必要
がなくなるようにしたものである。
3rd rA shows an example of applying the present invention to a water treatment facility using deep ground 1, 2, (8) is a treatment water tank installed deep underground, and (9) is the same. This is a bonzo that discharges the water in the treatment tank (8) or supplies it to the place where it is used. In the figure, parts equivalent to the above example are marked with the same symbol. (Effects of the Invention) According to the membrane separation device according to the present invention, as described above,
An inlet pipe 7 is disposed between the inlet side of the membrane and a circulating water tank into which the liquid to be treated flows, and a supply pump is interposed in the middle, one end of which is connected to the outlet side of the membrane. , the other end is concentrated in the water tank W! A height difference is provided between the atmosphere-opening surface of the outlet pipe, which is opened to the atmosphere so that the reflux liquid can overflow, and the membrane, to provide a head difference corresponding to the pressure required by the membrane. By using the octopus, the discharge pressure of the supply pump necessary for deprocessing is significantly reduced, and the energy consumption required for membrane processing is reduced. This eliminates the need for a cooling device.

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

第1図は本発明に係る水頭圧を利用した膜分離装置の一
実施例を示す概略説明図、第2図及び第3図は夫々本発
明を高層ビルの水中処理、並に大深度の地下を利用した
水処理装置に通用した実施例を示す概略説明図、第4図
は従来の膜分離装置の概略説明図である. (1)・・・膜、      (2)・・・循環水槽、
(3)・・・入口配管、   (4)・・・供給ポンプ
、(5)・・出口配管。
Fig. 1 is a schematic explanatory diagram showing an embodiment of a membrane separation device using water head pressure according to the present invention, and Figs. 2 and 3 show the present invention in underwater treatment of high-rise buildings and deep underground Fig. 4 is a schematic explanatory diagram showing an example of a water treatment system that utilizes a conventional membrane separation system. (1)...Membrane, (2)...Circulating water tank,
(3)...Inlet piping, (4)...Supply pump, (5)...Outlet piping.

Claims (1)

【特許請求の範囲】[Claims] 膜と、処理対象液が流入する循環水槽と、同水槽と前記
膜の入口側との間に配設された入口配管と、一端が前記
膜の出口側に接続され、他端が前記水槽内に濃縮循環液
が溢出するように大気中に開放された出口配管と、前記
入口配管に介装された前記水槽内の処理対象液の供給ポ
ンプとからなる膜分離装置において、前記入口配管及び
出口配管の大気開放面と前記膜との間に、同膜が必要と
する圧力に相当する水頭圧が得られるだけの高低差を設
けてなることを特徴とする水頭圧を利用した膜分離装置
A membrane, a circulating water tank into which the liquid to be treated flows, an inlet pipe disposed between the water tank and the inlet side of the membrane, one end of which is connected to the outlet side of the membrane, and the other end connected to the inside of the water tank. In a membrane separation device comprising an outlet piping open to the atmosphere so that the concentrated circulating liquid overflows, and a pump for supplying the liquid to be treated in the water tank, which is interposed in the inlet piping, the inlet piping and the outlet A membrane separation device utilizing water head pressure, characterized in that a height difference is provided between the atmosphere-opening surface of the piping and the membrane to obtain a water head pressure corresponding to the pressure required by the membrane.
JP22920389A 1989-09-06 1989-09-06 Membrane separator utilizing water head Pending JPH0394820A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22920389A JPH0394820A (en) 1989-09-06 1989-09-06 Membrane separator utilizing water head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22920389A JPH0394820A (en) 1989-09-06 1989-09-06 Membrane separator utilizing water head

Publications (1)

Publication Number Publication Date
JPH0394820A true JPH0394820A (en) 1991-04-19

Family

ID=16888437

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22920389A Pending JPH0394820A (en) 1989-09-06 1989-09-06 Membrane separator utilizing water head

Country Status (1)

Country Link
JP (1) JPH0394820A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007144354A (en) * 2005-11-30 2007-06-14 Takashi Matsuda Apparatus for operating reverse osmosis membrane without using power
CN104056552A (en) * 2013-04-25 2014-09-24 山东东阿阿胶股份有限公司 Concentration method of gelatin traditional Chinese medicine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56124487A (en) * 1980-02-01 1981-09-30 Mesple Jose L R Desalting plant for water in reverse osmosis fluid static system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56124487A (en) * 1980-02-01 1981-09-30 Mesple Jose L R Desalting plant for water in reverse osmosis fluid static system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007144354A (en) * 2005-11-30 2007-06-14 Takashi Matsuda Apparatus for operating reverse osmosis membrane without using power
CN104056552A (en) * 2013-04-25 2014-09-24 山东东阿阿胶股份有限公司 Concentration method of gelatin traditional Chinese medicine
CN104056552B (en) * 2013-04-25 2016-05-18 山东东阿阿胶股份有限公司 A kind of method for concentration of glue class Chinese medicine

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