KR900003056B1

KR900003056B1 - Measuring device of floating matter in water

Info

Publication number: KR900003056B1
Application number: KR1019860011242A
Authority: KR
Inventors: 서순기; 김기범
Original assignee: 삼성전자 주식회사; 한형수
Priority date: 1986-12-24
Filing date: 1986-12-24
Publication date: 1990-05-04
Also published as: KR880008014A

Abstract

This invention measures the concentration of solid body in impure water. Impure water comes in a bubble removing tank (4) through a suction pipe (2) and back to the original water flowing pipe (1) through a discharging pipe (3). Water level sensors (5)(5')(5") are installed in the tank and a vacuum pump (8) in connected to the tank. An ultrasonic concentration detector (12) lies between the discharging pipe and the tank. Th vacuum pump removes gases such as air from the water, and the detector measures the concentration of solid body in the water folws from the tank.

Description

Float measuring device of water

첨부도면은 본 발명 측정장치의 예시도.The accompanying drawings are illustrations of the measuring device of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 유체흐름관 2 : 흡입관1: fluid flow pipe 2: suction pipe

3 : 배출관 4 : 기포제거탱크3: discharge pipe 4: bubble removing tank

5, 5', 5", 5"' : 수위감지센서 8 : 진공펌프5, 5 ', 5 ", 5"': Water level sensor 8: Vacuum pump

12 : 검출기12: detector

본 발명은 상, 하수 또는 폐수등의 처리를 위한 수질검사등에서 생성되는 혼탁액에 함유된 부유물(고형물)의 농도를 측정하는 측정장치에 관한 것이다.The present invention relates to a measuring device for measuring the concentration of suspended solids (solids) contained in the turbid liquid produced in the water quality test for treatment of water, sewage or wastewater.

통상 혼탁액에 초음파를 통과시킬때 초음파가 혼탁액중의 부유물(고형물)에 의해 감쇄되는 반응을 이용하여 발신기로부터 일정의 강도를 가진 초음파 신호를 혼탁액중에 발신하고 이 혼탁액을 통과하여 수신기에 도달하는 초음파의 감쇄도를 농도검출 신호롤 한 초음파 농도검출기는 이미 공지된 것이다.In general, when an ultrasonic wave passes through a turbid liquid, ultrasonic waves are attenuated by suspended solids (solids) in the turbid liquid, and an ultrasonic signal having a predetermined intensity is transmitted from the transmitter to the turbid liquid, and then passed through the turbid liquid to a receiver. Ultrasonic density detectors in which the attenuation degree of the ultrasonic wave that reaches the signal signal are known.

그러나 이러한 종래의 검출기는 농도를 측정하는 혼탁액중에 공기, 또는 그 밖의 기체에 의한 입자가 혼입되면 이들 입자에 의해 초음파가 산란, 흡수 굴절등에 의한 감쇄반응으로 부유물의 정확한 농도를 측정하기가 어려운 문제점이 있었다.However, such a conventional detector has a problem that it is difficult to measure the exact concentration of suspended solids due to attenuation of ultrasonic waves by scattering, absorption refraction, etc. when particles of air or other gas are mixed in the turbidity liquid for measuring the concentration. There was this.

본 발명은 이러한 문제점들을 제거하는 것을 목적으로 한 것으로서, 유체흐름 관내를 통과하는 액체(측정시료)의 일부분을 측정시료 흡입관으로 흡입하여 이 액중에 혼입된 공기, 또는 그 밖의 기체들을 제거한 다음 초음파 농도검출기에 보내 측정토록 하므로 기포등에 따른 농도측정의 오차를 해결하고 연속적으로 측정 기록이 가능하게 함을 특징으로 한 것이다.SUMMARY OF THE INVENTION The present invention aims at eliminating these problems, in which a portion of a liquid (measurement sample) passing through a fluid flow tube is sucked into the measurement sample suction tube to remove air or other gases contained in the liquid, and then ultrasonic concentration. Since the measurement is sent to the detector, it is possible to solve the error of concentration measurement due to bubbles and to continuously record the measurement.

이하, 본 발명의 실시예를 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

대구경의 유체흐름관(1)에 이보다 직경이 작은 흡입관(2)과 배출관(3)을 적당위치에 서로 격리되게 연결하여 유체흐름관(1)에 이보다 직경이 작은 흡입관(2)과 배출관(3)을 적당위치에 서로 격리되게 연결하여 유체흐름관(1)내를 흐르는 혼탁액의 일부분이 흡입관(2)을 통해 흡입되어 기포제거탱크(4)내에 수위를 제어하기 위해 설치한 수위감지센서(5)(5')(5")(5"')들의 동작으로 조절되는 전자변(6)을 거쳐 상기기포제거탱크(4)내로 유입되게 하고 이 탱크내로 유입된 혼탁액중에 혼입된 공기등의 기체들은 혼탁액의 수면위로 떠올라 진공펌프(8)에 의해 보조탱크(7)를 거쳐서 강제로 분리제거되게 하였으며, 이렇게 되어 공기등의 기체가 제거된 혼탁액은 송수펌프(9)에 의해 기포제거탱크(4) 하부에 연결된 연결관(10)을 통해 초음파 발생기(11) 및 수신기(11")가 대응위치에 격리 설치된 초음파 농도검출기(12)로 보내지고 이곳에서 부유물의 농도가 초음파에 의해 측정되며 측정과정을 거친 혼탁액은 개폐 겸용 유량조절변(13)를 통과하여 배출관(3)에 의해 다시 유체흐름관(1)측으로 보내지게 되도록 한 것이다.The suction pipe 2 and the discharge pipe 3 having a smaller diameter are connected to the large-diameter fluid flow pipe 1 so as to be separated from each other at an appropriate position, and the suction pipe 2 and the discharge pipe 3 having a smaller diameter are connected to the fluid flow pipe 1. ) Is connected to the appropriate position in isolation from each other part of the turbidity flowing in the fluid flow pipe (1) is sucked through the suction pipe (2) is a water level sensor installed to control the water level in the bubble removing tank (4) 5) flows into the bubble removing tank 4 through the electronic valve 6 controlled by the operation of (5 '), 5 ", 5"' and the like, such as air mixed in the turbid liquid introduced into the tank. Gases floated on the surface of the turbid liquid and forced to be separated and removed through the auxiliary tank 7 by the vacuum pump 8, and thus, the turbid liquid from which gas such as air is removed is removed by the water pump 9. The ultrasonic generator 11 and the receiver 11 "are connected via a connecting tube 10 connected to the lower part of the tank 4. It is sent to the ultrasonic concentration detector 12 installed at the position, where the concentration of the suspended matter is measured by ultrasonic waves, and the turbidity obtained after the measurement is passed through the opening / closing flow regulating valve 13, and the fluid is discharged by the discharge pipe 3 again. It is to be sent to the flow pipe (1) side.

미설명 부호 "14"는 개폐용 수동변이고 "15"는 유량조정용 수동변이다.Reference numeral "14" is a manual valve for opening and closing and "15" is a manual valve for adjusting the flow rate.

상기와 같은 과정에 의해 부유물의 농도를 측정토록 하는 본 발명 장치는 수위감지센서(5)(5')(5")(5"')들에 의해 기포제거탱크(4)내의 수위가 정해지게 되는 것으로서, 이 기포제거탱크내로 유입되는 혼탁액의 량을 송수펌프(9)에 의한 유출량보다 다소 많게 설정하므로 상기 기포제거탱크내에는 항상 일정량의 혼탁액이 잔유하도록 하여 이 혼탁액중에 혼입된 공기, 또는 그 밖의 기체들에 의해 발생되는 기포들이 수면위로 떠오르게 하므로 기체들이 혼탁액중에서 자연적으로 제거되게 하였으며, 이렇게 하여 기체가 제거되게한 다음 부유물의 농도를 측정토록 하므로 종래와 같이 공기, 또는 그밖의 기체들에 의해 발생되던 농도측정의 오차가 발생되지 않게 되며, 이에 따라 항상 정확한 농도를 측정할 수 있게 되는 등의 특징이 있음은 물론, 송수펌프(9)를 계속 동작시켜 혼탁액을 검출기(12)로 계속 보내주므로 유체흐름관(1)내를 흐르는 혼탁액의 농도변화와 검출기(12)에 의한 검출농도 변화에는 약간의 지연은 있지만 거의 동시에 측정이 가능하게 되는 장점도 있는 것이다.The apparatus of the present invention to measure the concentration of suspended solids by the above process is to determine the water level in the bubble removing tank (4) by the water level sensor (5) (5 ') (5 ") (5"'). Since the amount of turbidity flowing into the bubble elimination tank is set to be somewhat larger than the amount of outflow by the water pump 9, the air in the turbidity elimination tank always has a certain amount of turbidity remaining. Bubbles generated by, or other gases rise above the surface of the water, allowing the gases to be naturally removed from the turbidity.This allows the gases to be removed and then to measure the concentration of the suspended solids. The error of the concentration measurement caused by the gas is not generated, and thus there is a characteristic that it is possible to always measure the correct concentration, as well as the water pump (9) ), The turbid liquid is continuously sent to the detector 12, so that there is a slight delay in the change in the concentration of the turbid liquid flowing in the fluid flow tube 1 and the change in the concentration detected by the detector 12, There is also the advantage of being possible.

Claims

The small-diameter suction pipe and the discharge pipe are connected to each other in a large-diameter fluid flow pipe, and a water level sensor is installed inside them, and a bubble removing tank and an ultrasonic concentration detector connected to the vacuum pump are installed, respectively. Air and other gases are floated on the surface of the bubble removing tank to be removed by a vacuum pump, and the suspended solids thus removed are sent to the ultrasonic concentration detector so that the suspended solids can be detected. Device.