TWI440851B - Water-detecting apparatus and water sampling device thereof - Google Patents

Description

Water quality detecting device and water sample inflow device

The invention relates to a water quality detecting device and a water sample inflow device thereof.

Facing the demand for sustainable use of water resources, the automation and optimization of wastewater treatment systems have become an inevitable trend in providing stability, efficiency and efficiency of wastewater treatment. Therefore, the development of various online automatic monitoring of water quality technology and equipment can not only easily understand the water quality of wastewater treatment, but also provide automatic control and automation of wastewater treatment, thereby improving the effectiveness of wastewater treatment.

Figure 1 is a schematic diagram of a conventional water sample inflow device. The conventional water sample inflow device 10 includes a tank body 11, a clear water inlet 12 connected to the tank 11, a waste water inlet 13 connected to the tank 11, a water sample outlet 14 connected to the tank 11, and a water supply. The valve member 15 on the inflow port 12 and the valve member 16 provided on the waste water inlet port 13. The valve member 16 is opened to allow the waste water to enter the tank body 11. After the waste water spectrum is obtained, the valve member 16 is closed and the valve member 15 is opened to inject the clean water into the tank body 11 for cleaning. However, the long-term use of clean water to clean the tank body 11 may still leave some impurities in the tank body 11 and cannot be completely removed, thereby affecting the water quality test results.

In addition, as can be seen from FIG. 1, since the valve member 16 is not in close proximity to the interface between the tank body 11 and the waste water inlet 13, the valve member 16 and the tank body 11 generate a distance d. When the fresh water is injected into the tank body 11, the water may not be able to be cleaned. Valve member 16 The position of the middle distance d is cleaned, which affects the water quality test results in the next wastewater test.

In addition, there is also a water sample inflow device that chemically cleans the tank body 11. However, the water sample after chemical cleaning must be further processed, which requires not only additional maintenance, chemical expense, but also secondary environmental pollution.

The invention provides a water sample inflow device, which is connected with a water sample measuring module, and comprises a tank body, a clear water inlet connected to the tank body, a waste water inlet connected to the tank body, and a water sample connected to the tank body. The outflow port and the ultrasonic oscillating device disposed on the trough body. Wherein, the wastewater water sample enters the tank body through the waste water inlet, and the water sample measurement module is used to obtain the spectrum of the water sample, and the clear water flow inlet guides the clear water into the tank body to clean the tank body, when the clean water flows into the tank body The ultrasonic oscillating device will be activated.

It should be noted that the water sample inflow device of the present invention further comprises quartz glass, and the quartz glass is disposed inside the tank body.

It should be noted that the water sample inlet device of the present invention further comprises two solenoid valves, which are respectively disposed at the fresh water inlet and the waste water inlet.

It should be noted that the water sample inflow device of the present invention further includes a check valve, and the check valve is disposed at the water sample outlet.

It should be noted that the water sample inflow device of the present invention further comprises a guiding tube which is disposed between the clear water inlet and the waste water inlet and located behind the solenoid valve.

It should be noted that the ultrasonic oscillating device includes immersive and patch type Ultrasonic oscillating device.

It should be noted that the tank system is made of acrylic or stainless steel.

The invention provides a water quality detecting device, which comprises a water sample transmission module, a water sample preparation module and a water sample measurement module. The water sample transfer module includes a clean water transfer pump and a wastewater transfer pump. The water sample preparation module comprises a water sample inlet device and a wastewater buffer tank, and the water sample inlet device comprises a tank body, a clear water flow inlet connected to the tank body, a waste water inlet inlet connected to the tank body, and a water sample connected to the tank body. The discharge port and the ultrasonic oscillating device disposed on the tank body, the waste water buffer tank is connected with the waste water flow inlet, the clean water transfer pump is connected with the clean water flow inlet, and the waste water transfer pump is connected with the waste water buffer tank. The water sample measuring module comprises a spectrophotometer, a spectroscopic light source supply and a transmission optical fiber, and the transmission optical fiber is arranged on the trough body. Wherein, the wastewater water sample enters the tank body through the waste water inlet, and the water sample measurement module is used to obtain the spectrum of the water sample, and the clear water flow inlet guides the clear water into the tank body to clean the tank body, when the clean water flows into the tank body The ultrasonic oscillating device will be activated.

It should be noted that the water sample inflow device further includes quartz glass, and the quartz glass is disposed inside the tank body.

It should be noted that the water sample inlet device further includes two solenoid valves, which are respectively disposed at the clear water inlet and the waste water inlet.

It should be noted that the water sample inlet device further includes a check valve, and the check valve is disposed at the water sample outlet.

It should be noted that the water sample inflow device further includes a guiding tube which is disposed between the clear water inlet and the waste water inlet and located behind the electromagnetic valves.

The above and other objects, features and advantages of the present invention will become more <RTIgt;

Figure 2 is a schematic view of the water detecting device of the present invention. Referring to FIG. 2 , the water quality detecting device 20 includes a water sample transfer module 21 , a water sample preparation module 22 , and a water sample measurement module 24 . The water sample transfer module 21 includes a fresh water transfer pump 211 and a waste water transfer pump 212, wherein the fresh water transfer pump 211 is externally connected to a clean water supply device 30, and the waste water transfer pump 212 is externally connected to a waste water treatment unit 40.

The water sample preparation module 22 includes a water sample inlet device 221 and a wastewater buffer tank 222, and the wastewater buffer tank 222 is connected to the wastewater transfer pump 212 and the water sample inlet device 221, respectively. The wastewater buffer tank 222 is connected to one of the water inlets 223 of the water sample inlet device 221, and the fresh water transfer pump 211 is connected to one of the water inlet devices 221 of the water sample inlet device 221, one of the water sample inlet devices 221 The water sample outlet 225 is connected to the wastewater treatment unit 40.

The water sample measurement module 24 includes a spectrophotometer 241, a spectroscopic light source supplier 242, and a transmission fiber 243 (see FIG. 3). The spectrophotometer 241 and the spectroscopic light source supplier 242 are respectively connected to the water sample inflow device 221, and the transmission optical fiber 243 is provided on the water sample inflow device 221. In addition, the spectrophotometer 241 and the water sample inlet device 221 are electrically connected to a computer 50 to transmit the water sample detection data to the computer 50.

The water detecting device 20 of the present invention introduces waste water from the wastewater treatment unit 40 by the wastewater transfer pump 212, and causes the wastewater to be in the wastewater buffer tank. After standing in 222, the water sample detection value of the wastewater in the relatively average wastewater treatment unit 40 can be obtained, and then the water sample is introduced into the water sample inlet device 221, through the spectrophotometer 241, the spectroscopic light source supplier 242, and the transmission fiber. 243 (see Figure 3) Obtain the spectrum of the water sample and transfer the test data to the computer. Then, the clean water transfer pump 211 is used to introduce the clean water in the fresh water supply device 30 into the water sample inlet device 221 to achieve the cleaning effect. After the cleaning is completed, the fresh water is filled in the water sample inlet device 221 for automatic operation. The blank is corrected, and after the calibration is completed, the clean water is discharged into the wastewater treatment unit 40, that is, the process of detecting the wastewater and cleaning the water quality detecting device 20 is completed.

Figure 3 is a front view of the water sample inflow device of the present invention, and Figure 4 is a rear view of the water sample inflow device of the present invention.

Please refer to Figures 3 and 4 for the water sample inlet device 221 to be connected to a water sample measurement module 24 (see Figure 2). The water sample inlet device 221 includes a tank body 226, a clear water inlet 224 connected to the tank body 226, a waste water inlet 223 connected to the tank body 226, a water sample outlet 225 connected to the tank body 226, and a tank body 225. The ultrasonic oscillating device 227 on the 226, the electromagnetic valve 228 provided on the waste water inlet 223, the electromagnetic valve 229 provided on the clean water inlet 224, and the check valve 230 provided on the water sample outlet 225. Wherein, when the solenoid valve 228 opens the waste water inlet 223, the water sample enters the tank 226 via the waste water inlet 223, and the water sample is scanned by the water sample measurement module 24 (see FIG. 2) to obtain a water sample. The spectrum, after which the solenoid valve 228 will close the wastewater inflow port 223. Then, the solenoid valve 229 opens the clean water inlet 224 to guide the clean water into the tank 226 in the tank body 226. When the clean water flows into the tank 226, the ultrasonic oscillating device 227 is activated to provide Clean effect. In addition, the check valve 230 is disposed on the water sample outlet 225 to prevent the outflowing water sample from flowing back into the tank body 226. In addition, a quartz glass 231 is disposed inside the tank body 226 as a viewing window to provide a measuring platform for the water sample measuring module 24 (see FIG. 2).

Figure 5 is a front elevational view of another embodiment of the water sample inflow device of the present invention. Referring to FIG. 5, the water sample inlet device 321 includes a tank body 326, a clean water inlet 324 connected to the tank body 326, a waste water inlet 323 connected to the tank body 326, and a water sample outlet connected to the tank body 326. 325. The ultrasonic oscillating device 327 disposed on the tank body 326, the electromagnetic valve 328 disposed on the waste water inlet 323, the electromagnetic valve 329 disposed on the clean water inlet 324, and the backing provided on the water sample outlet 325 Valve 330. It should be noted that the water sample inlet device 321 further includes a guiding tube 332, and the guiding tube 332 is disposed between the clear water inlet 323 and the wastewater inflow port 324, and is located behind the solenoid valves 328, 329, that is, the water sample. After entering the waste water inlet 323, it will first reach the solenoid valve 328, and then pass through the guide tube 332. Similarly, after the clean water enters the clean water inlet 324, it will first reach the solenoid valve 329 and then pass through the guide tube 332. Wherein, when the solenoid valve 328 opens the waste water inlet 323, the water sample enters the tank 326 via the waste water inlet 323, and the water sample is scanned by the water sample measurement module 24 (see FIG. 2) to obtain a water sample. The spectrum, after which the solenoid valve 328 closes the wastewater inflow port 323. Then, the solenoid valve 329 opens the clean water inlet 324 to guide the clean water to enter the cleaning tank 326 in the tank 326, and after the fresh water is injected into the clear water inlet 324, it will flow to the position blocked by the electromagnetic valve 328, and then guide. The tube 332 is returned to the fresh water inlet 324 to clean the wastewater inlet 323 through which the previous wastewater sample flows. Section of the section. When fresh water flows into the tank 326, the ultrasonic oscillating device 327 is activated to provide a clean effect. In addition, the check valve 330 is disposed on the water sample outlet 325 to prevent the outflowing water sample from flowing back into the tank body 326. In addition, a quartz glass 331 is disposed inside the tank body 326 as a viewing window to provide a measuring platform for the water sample measuring module 24 (see FIG. 2).

Figure 6 is a comparison table for the cleaning efficiency measurement using the water detecting device of the present invention, wherein the abscissa is the intensity of the light source and the ordinate is the absorbance. The influent water quality is as follows: total organic carbon (TOC): 10-100 mg/L (ppm); chemical oxygen demand (COD): 50-250 mg/L (ppm); Suspended solid (SS): 10-70 mg/L (ppm); pH value: 5.5-8.5; Temperature (Temp): 24-28 °C. In addition, the inflow flow rate Q = 30 mL / min, and the retention time in the equipment is 1 min. The comparison chart obtained from the above conditions is as shown in Fig. 6. As is apparent from Fig. 6, after cleaning with the ultrasonic wave oscillating device 227, the water sample inlet device 221 is significantly more water-like than the water rinse. The flow device is cleaner, so it is less likely to affect the water quality test results during wastewater detection.

In summary, the water detecting device and the water sample inflow device of the present invention not only provide waste water quality monitoring, but also utilize a chemical-free ultrasonic cleaning method to achieve automatic cleaning on the line and blank correction of the automatic device. Not only will it not cause secondary pollution to the environment, but also provide more accurate results of wastewater testing.

However, the above is only the preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereto, that is, the patent application according to the present invention The scope of the invention and the equivalent equivalents and modifications of the invention are still within the scope of the invention. Further any embodiment of the invention or The patent application scope does not necessarily achieve all of the objects or advantages disclosed herein or Features. In addition, the abstract sections and headings are only used to assist in the search of patent documents and are not intended to limit the scope of the invention.

Conventional technology

10‧‧‧Water sample inlet device

11‧‧‧

12‧‧‧Clear water inlet

13‧‧‧ Wastewater inlet

14‧‧‧Water sample outlet

15, 16‧‧‧ valve parts

D‧‧‧distance

this invention

20‧‧‧Water quality testing equipment

21‧‧‧Water sample transfer module

211‧‧‧Clear Water Transfer Pump

212‧‧‧ Wastewater Transfer Pump

22‧‧‧Water sample preparation module

221, 321‧‧‧ water sample inlet device

222‧‧‧Waste buffer tank

223, 323‧‧‧ Wastewater inlet

224, 324‧‧ ‧ clear water inlet

225, 325‧ ‧ water sample outlet

226, 326‧‧‧

227, 327‧‧‧ ultrasonic oscillating device

228, 229, 328, 329‧ ‧ solenoid valves

230, 330‧‧‧ check valve

231,331‧‧‧Quartz glass

24‧‧‧Water sample measurement module

241‧‧‧Spectrophotometer

242‧‧‧Splitting light source supplier

243‧‧‧Transmission fiber

30‧‧‧Clean water supply unit

332‧‧‧ Guide tube

40‧‧‧Wastewater treatment unit

50‧‧‧ computer

1 is a schematic view of a conventional water sample inflow device; FIG. 2 is a schematic view of the water detecting device of the present invention; FIG. 3 is a front view of the water sample inflow device of the present invention; The present invention is a rear view of the water sample inflow device of the present invention; FIG. 5 is a front view of another embodiment of the water sample inflow device of the present invention; and FIG. 6 is a cleaning efficiency measurement using the water detecting device of the present invention. Compare the table.

221‧‧‧Water sample inlet device

223‧‧‧ Wastewater inlet

224‧‧ ‧ clear water inlet

225‧‧‧Water sample outlet

226‧‧‧

227‧‧‧Supersonic oscillating device

228, 229‧‧ ‧ solenoid valve

230‧‧‧ check valve

231‧‧‧Quartz glass

243‧‧‧Transmission fiber

Claims (14)

A water sample inflow device is connected to a water sample measuring module, comprising: a tank body; a clear water inlet, connected to the tank; a waste water inlet, connected to the tank; a water sample outlet Connected to the tank; a guiding tube disposed between the clean water inlet and the waste water inlet; and an ultrasonic oscillating device disposed on the tank; wherein the wastewater enters through the wastewater sample inlet In the tank body, the water sample measurement module is used to obtain a spectrum of the water sample, and the clean water flow inlet guides the clean water into the tank body to clean the tank body, and the clean water passes through the guide tube to clean The waste water flows through the section of the waste water inlet, and the ultrasonic oscillating device is activated when the clean water flows into the tank. The water sample inflow device according to claim 1, further comprising a quartz glass disposed on the inner side of the tank body. The water sample inlet device of claim 1, further comprising two solenoid valves respectively disposed on the clean water inlet and the waste water inlet. The water sample inflow device of claim 1, further comprising a check valve disposed on the water sample outlet. The water sample inlet device of claim 3, wherein the guide tube is located behind the solenoid valves. The water sample inlet device according to claim 1, wherein The ultrasonic oscillating device includes an immersive and patch-type ultrasonic oscillating device. The water sample inflow device according to claim 1, wherein the groove system is made of acrylic or stainless steel. A water quality detecting device comprises: a water sample transfer module comprising a clear water transfer pump and a waste water transfer pump; a water sample preparation module comprising a water sample inflow device and a wastewater buffer tank, the water The sample inlet device comprises a tank body, a fresh water inlet port connected to the tank body, a waste water inlet port connected to the tank body, a water sample outlet port connected to the tank body, and a water flow inlet port disposed at the water inlet and a guiding tube between the wastewater inlet and an ultrasonic oscillating device disposed on the tank, wherein the wastewater buffer tank is connected to the wastewater inlet, and the fresh water transfer pump is connected to the clean water inlet, a waste water transfer pump connected to the waste water buffer tank; and a water sample measurement module comprising a spectrophotometer, a split light source supply, and a transmission optical fiber, wherein the transmission optical fiber is disposed on the tank; wherein the waste water The sample enters the tank through the waste water inlet, and the water sample measurement module is used to obtain a spectrum of the water sample, and the clean water flow inlet guides the clean water into the tank to clean the tank, and the clean water passes through The guide The inlet portion of the waste section to clean the waste water flows through it, when water flows into the tank body, the ultrasonic oscillation means is started. The water detecting device according to claim 8, wherein the water sample inflow device further comprises a quartz glass, wherein the quartz glass is disposed in the groove Inside the body. The water quality detecting device of claim 8, wherein the water sample inflow device further comprises two electromagnetic valves, and the electromagnetic valves are respectively disposed on the clean water inlet and the waste water inlet. The water detecting device of claim 8, wherein the water sample inflow device further comprises a check valve, and the check valve is disposed at the water sample outlet. The water detecting device of claim 10, wherein the guiding tube is located behind the solenoid valves. The water detecting device of claim 8, wherein the ultrasonic oscillating device comprises an immersive and patch type ultrasonic oscillating device. The water detecting device according to claim 8, wherein the tank system is made of acrylic or stainless steel.