TWM629247U - water quality analyzer - Google Patents

Abstract

The present invention is a water quality analyzer, comprising a digestion colorimetric device, a multi-channel valve, a metering unit, a peristaltic pump and a control unit, wherein the multi-channel valve is communicated with the digestion colorimetric device, the metering unit and a control unit. The waste liquid discharge pipe, and the metering unit is connected to the peristaltic pump, the control unit controls the suction and exhaust of the peristaltic pump and the channel state of the multi-channel valve, so that a test water sample, a digestion agent and a specific agent can pass through the peristaltic pump. The metering unit enters into the digestion colorimetric device, according to which, the sampling amount is small and accurate, and the water in the pipe is emptied by the exhaust of the peristaltic pump, so as to reduce the problem of bacteria growth and blockage in the pipe , can reduce setup, use, repair and maintenance costs.

Description

water quality analyzer

This work is about industrial water quality testing, especially about a low maintenance water quality analyzer.

The chemical industry and semiconductor industry will generate a large amount of industrial wastewater, which must be discharged after multiple treatment procedures and after meeting the wastewater discharge standards.

In order to detect whether the wastewater meets the discharge standard, for example, Taiwan Announcement Patent No. I440851B discloses a water quality detection device and its detection water sample inflow device, which can be used to detect water quality. It mainly supplies a certain amount of wastewater through the wastewater transmission pump, and scans the test water sample through the test water sample measurement module to obtain the spectrum of the test water sample, so as to know whether the water quality of the wastewater meets the discharge standard. Different types of waste water will need to be added with different digestion chemicals to correctly check the water quality.

It is known that the accuracy of the wastewater transmission pump is not high, so in order to reduce the error value, the wastewater transmission pump needs to take a certain amount of wastewater, so the water quality detection equipment must have a corresponding setting capacity, which will increase the cost, and The corresponding digestion chemicals used will also increase, which will increase the cost of use. In addition, the flow of wastewater will also increase synchronously, so the probability of pipeline blockage will increase, and maintenance costs will also increase synchronously.

The main purpose of the present invention is to disclose a water quality analyzer, which can effectively reduce the cost of use, repair and maintenance.

In order to achieve the above purpose, the present invention is a water quality analyzer, which includes:

A digestion colorimetric device, a multi-channel valve, a metering unit, a peristaltic pump, a first solenoid valve, a second solenoid valve, a third solenoid valve and a control unit, wherein the digestion colorimetric device has a transparent A reaction tank, the transparent reaction tank has an exhaust pipeline and a sample injection pipeline. The multi-channel valve has a plurality of pipeline solenoid valves, a waste liquid discharge channel, a plurality of drug pipelines, a metering pipeline and a supply pipeline, wherein the supply pipeline is connected to the sample injection pipeline, and the waste liquid discharge channel is connected to To a waste liquid discharge pipe, the plurality of pharmaceutical pipelines are respectively connected to a plurality of pharmaceutical bottles, a water sample pipeline and a cleaning water supply source. The metering unit has a certain amount tank, and the metering tank is connected with the metering pipeline, and the peristaltic pump has a pumping and exhausting pipeline, and the pumping and exhausting pipeline is connected to the metering unit. The first solenoid valve is arranged between the waste liquid discharge channel and the waste liquid discharge pipe, the second solenoid valve is arranged between the supply pipeline and the sample injection pipeline, and the third solenoid valve is arranged in the discharge pipe on the air line. The control unit is respectively connected to the peristaltic pump, the multi-channel valve, the digestion colorimetric device, the first solenoid valve, the second solenoid valve and the third solenoid valve through a plurality of control circuits, and the control unit controls the peristaltic pump. Inhalation and exhaust, the opening and closing of the plurality of pipeline solenoid valves to change the channel state of the multi-channel valve and the opening and closing of the first solenoid valve, the second solenoid valve and the third solenoid valve, so that the water sample A detection water sample in the pipeline enters the transparent reaction tank through the measurement of the metering unit, and selects at least one of the pharmaceutical bottles to obtain a digestion agent and a specific agent through the measurement of the metering unit and adds them into the transparent reaction tank, And control the operation of the digestion colorimetric device to know the specific substance concentration of the detected water sample.

Accordingly, the present invention can accurately obtain the quantity of the detected water sample, the digestion agent and the specific agent through the measurement of the metering unit, so that the measurement with a small amount of sampling can also have considerable accuracy, and the sampling amount It can reduce the use burden of the equipment and can be easily miniaturized, so it can reduce the cost of installation, use, repair and maintenance, and the water in the pipe is evacuated by the exhaust of the peristaltic pump to reduce the growth of bacteria in the pipe. And it is not easy to have the risk of pipeline blockage.

For the detailed description and technical content of this new model, the accompanying drawings are described as follows:

Please refer to "Fig. 1", "Fig. 2" and "Fig. 3", the present invention is a water quality analyzer including a digestion and colorimetric device 10, a multi-channel valve 20, a metering unit 30, and a peristaltic pump 40 , a first solenoid valve 50 , a second solenoid valve 60 , a third solenoid valve 61 and a control unit 70 . The water quality analyzer further includes a casing 90, the casing 90 has an accommodating space 91, the digestion and colorimetric device 10, the multi-channel valve 20, the metering unit 30, the peristaltic pump 40 and the control unit 70 are. set in the accommodating space 91 .

The digestion colorimetric device 10 has a transparent reaction tank 11 , and the transparent reaction tank 11 has an exhaust line 12 and a sample injection line 13 . In one embodiment, the digestion and colorimetric device 10 is used for judging water quality, and further includes a photocolorimeter 14 and a light source 15 , the light source 15 and the photocolorimeter 14 are located on two sides of the transparent reaction tank 11 respectively. By measuring the color level of the light source 15 passing through the transparent reaction tank 11 through the light color meter 14, the concentration of a specific substance in the water can be determined.

The multi-channel valve 20 has a plurality of pipeline solenoid valves 201 , a waste liquid discharge channel 21 , a plurality of drug pipelines 22 , a metering pipeline 23 and a supply pipeline 24 , wherein the supply pipeline 24 communicates with the sampling pipeline 13. The waste liquid discharge channel 21 is connected to a waste liquid discharge pipe 25, and the plurality of drug pipelines 22 are respectively connected to a plurality of drug bottles 80, a water sample pipeline 80A and a cleaning water supply source 80B, so that the detection specificity can be obtained. The type and amount of agent required for the chemical substance.

The metering unit 30 has a certain amount tank 31 , and the metering tank 31 communicates with the metering pipeline 23 . In one embodiment, a high liquid level sensing element 32 and a low liquid level sensing element 33 are arranged in the quantitative tank 31 , and the sensing of the high liquid level sensing element 32 and the low liquid level sensing element 33 can accurately Obtain the desired amount of liquid (not shown).

The peristaltic pump 40 has a pumping and exhausting pipeline 41 , and the pumping and exhausting pipeline 41 is connected to the metering unit 30 . The peristaltic pump 40 has the functions of pumping and exhausting, so that the quantitative tank 31 can suck in the liquid and discharge it to the transparent reaction tank 11 . The first solenoid valve 50 is arranged between the waste liquid discharge channel 21 and the waste liquid discharge pipe 25 , the second solenoid valve 60 is arranged between the supply line 24 and the sample injection line 13 , the third The solenoid valve 61 is arranged on the exhaust line 12 .

The control unit 70 is respectively connected to the peristaltic pump 40 , the multi-channel valve 20 , the digestion and colorimetric device 10 , the first solenoid valve 50 , the second solenoid valve 60 and the third solenoid valve 61 through a plurality of control circuits 71 , The control unit 70 controls the suction and discharge of the peristaltic pump 40 , the opening and closing of the plurality of pipeline solenoid valves 201 to change the channel state of the multi-channel valve 20 and the first solenoid valve 50 and the second solenoid valve 60 With the opening and closing of the third solenoid valve 61, a detection water sample 81 (as shown in FIG. 4A ) in the water sample pipeline 80A enters the transparent reaction tank 11 through the measurement by the metering unit 30, and at least one of the The medicine bottle 80 obtains a digestion medicine 82 (as shown in FIG. 4D ) and a specific medicine 83 (as shown in FIG. 4E ) through the measurement of the measuring unit 30 and adds them into the transparent reaction tank 11 , and controls the operation of the digestion and colorimetric device 10 . The detection state of the detection water sample 81 is known.

Please also refer to FIGS. 4A to 4F , which are schematic diagrams of the metering operation of the metering unit 30 . As shown in FIG. 4A , the control unit 70 firstly opens the pipeline solenoid valve 201 on the multi-channel valve 20 (corresponding to the solenoid valve of the pipeline that should detect the water sample 81), and close the first solenoid valve 50, the second solenoid valve 60, the third solenoid valve 61, and let the peristaltic pump 40 inhale at the same time. The detection water sample 81 is sucked into the quantitative tank 31, and after the measurement by the measurement unit 30, a fixed amount of the detection water sample 81 can be obtained (as shown in FIG. 4A).

Next, the control unit 70 closes the pipeline solenoid valve 201 on the multi-channel valve 20, opens the second solenoid valve 60 and the third solenoid valve 61, and changes the channel state of the multi-channel valve 20, so that the metering The pipeline 23 and the supply pipeline 24 are in a connected state, and the peristaltic pump 40 is exhausted to allow the detection water sample 81 in the quantitative tank 31 to enter the transparent reaction tank 11 (as shown in FIG. 4B ).

Next, the control unit 70 simultaneously closes the first solenoid valve 50 , the second solenoid valve 60 and the third solenoid valve 61 , and opens the pipeline solenoid valve 201 on the multi-channel valve 20 (corresponding to the pipe for detecting the water sample 81 ) Solenoid valve of the circuit) to change the channel of the multi-channel valve 20, and at the same time let the peristaltic pump 40 exhaust the part of the detection water sample 81 remaining in the pipeline to be discharged back to the water sample pipeline 80A, by emptying the pipe The detection water sample 81 in the pipeline can reduce the blockage caused by bacteria growth in the pipeline.

Next, the control unit 70 keeps closing the second solenoid valve 60 and the third solenoid valve 61 at the same time, and opens the pipeline solenoid valve 201 (corresponding to the pipeline solenoid valve of the digestion agent 82 ) on the multi-channel valve 20 to change the multiple The channel state of the channel valve 20 makes the connection between the selected drug bottle 80 and the metering pipeline 23, and at the same time allows the peristaltic pump 40 to inhale, the digestion drug 82 in the drug bottle 80 can be sucked into the quantitative Slot 31 (Fig. 4C).

Then the control unit 70 closes the pipeline solenoid valve 201 on the multi-channel valve 20 (corresponding to the solenoid valve of the pipeline of the digestion agent 82 ) to change the channel state of the multi-channel valve 20 so that the metering pipeline 23 and the supply The pipelines 24 are in a connected state, and the first solenoid valve 50 is kept closed, the second solenoid valve 60 and the third solenoid valve 61 are opened, and the peristaltic pump 40 is exhausted to allow the quantitative tank 31 The digestion reagent 82 is added into the transparent reaction tank 11 . As described above, the metering unit 30 can be used for metering to obtain the required quantity of the detection water sample 81 and the digestion reagent 82 (as shown in FIG. 4D ), so as to carry out the high-pressure high-temperature digestion reaction in the transparent reaction tank 11 .

Then the control unit 70 simultaneously closes the second solenoid valve 60 and the third solenoid valve 61, and opens the pipeline solenoid valve 201 (corresponding to the pipeline solenoid valve of the specific drug 83) on the multi-channel valve 20 to change the The channel state of the multi-channel valve 20 makes the desired connection between the medicine bottle 80 and the metering pipeline 23 in a state of communication, and at the same time allows the peristaltic pump 40 to inhale, the specific amount of the medicine bottle 80 can be absorbed. The medicament 83 enters the dosing tank 31 (FIG. 4E).

Next, the control unit 70 closes the pipeline solenoid valve 201 on the multi-channel valve 20 to change the channel state of the multi-channel valve 20, so that the metering pipeline 23 and the supply pipeline 24 are in a communication state, and maintain By closing the first solenoid valve 50 and opening the second solenoid valve 60 and the third solenoid valve 61 , and exhausting the peristaltic pump 40 at the same time, the specific drug 83 in the quantitative tank 31 can be added into the transparent reaction tank 11 (Figure 4F). In the manner described above, the measuring unit 30 can be used to measure, and a required amount of the specific medicine 83 can be obtained in the transparent reaction tank 11 to mix and react with the detection water sample 81 and the immediate digestion medicine 82 . By measuring the color level of the light source 15 passing through the transparent reaction tank 11 through the photochromometer 14, the concentration of a specific substance in the water quality can be determined.

To discharge the mixed solution (the detection water sample 81 , the immediate digestion agent 82 and the specific agent 83 ) in the transparent reaction tank 11 , the second solenoid valve 60 and the third solenoid valve 61 are opened and closed. The first solenoid valve 50 discharges the mixed solution in the transparent reaction tank 11 to the metering unit 30 , then closes the second solenoid valve 60 and opens the first solenoid valve 50 to discharge the mixed solution from the waste liquid The pipe 25 is discharged, and the above is performed for many times, and the mixed solution in the transparent reaction tank 11 can be emptied.

To sum up, the new model has at least the following features:

1. Through the measurement of the measuring unit, the quantity of the detected water sample and the digestion agent can be accurately obtained, so a small amount of measurement can be obtained with considerable accuracy, which can save the cost of use.

2. The sampling volume is small, which can reduce the use burden of the equipment, and can be easily miniaturized, so it can reduce the cost of setting, repair and maintenance.

3. The flow rate of the detected water sample is small, and it is not easy to cause the problem of bacterial blockage in the pipeline when it is emptied immediately after quantification.

10: Digestion colorimetric device 11: Transparent reaction tank 12: Exhaust line 13: Sampling pipeline 14: Light Color Meter 15: Light source 20: Multi-channel valve 201: Pipeline solenoid valve 21: Waste liquid discharge channel 22: Pharmaceutical pipeline 23: Metering pipeline 24: Supply line 25: Waste liquid discharge pipe 30:Measuring unit 31: quantitative tank 32: High liquid level sensing element 33: Low liquid level sensing element 40: Peristaltic Pump 41: Exhaust pipeline 50: The first solenoid valve 60: Second solenoid valve 61: The third solenoid valve 70: Control unit 71: Control line 80: Potion Bottle 80A: Water sample pipeline 80B: Cleaning water supply source 81: Detection of water samples 82: Digestion Potion 83: Specific Potion 90: Chassis 91: accommodating space

Figure 1 is a schematic diagram of the appearance and structure of the new water quality analyzer. Figure 2 is a schematic diagram of the partial internal structure of the new water quality analyzer. Figure 3 is a schematic diagram of the pipeline structure of the new water quality analyzer. 4A to 4F are schematic diagrams of the operation of the new water quality analyzer.

10: Digestion colorimetric device

11: Transparent reaction tank

12: Exhaust line

13: Sampling pipeline

14: Light Color Meter

15: Light source

20: Multi-channel valve

201: Pipeline solenoid valve

21: Waste liquid discharge channel

22: Pharmaceutical pipeline

23: Metering pipeline

24: Supply line

25: Waste liquid discharge pipe

30:Measuring unit

31: quantitative tank

32: High liquid level sensing element

33: Low liquid level sensing element

40: Peristaltic Pump

41: Exhaust pipeline

50: The first solenoid valve

60: Second solenoid valve

61: The third solenoid valve

71: Control line

Claims (4)

A water quality analyzer, which includes: a digestion colorimetric device, the digestion colorimetric device has a transparent reaction tank, the transparent reaction tank has an exhaust pipeline and a sample injection pipeline; A multi-channel valve, the multi-channel valve has a plurality of pipeline solenoid valves, a waste liquid discharge channel, a plurality of drug pipelines, a metering pipeline and a supply pipeline, wherein the supply pipeline is connected to the sampling pipeline, and the The waste liquid discharge channel is connected to a waste liquid discharge pipe, and the plurality of medicine pipelines are respectively connected to a plurality of medicine bottles, a water sample pipeline and a cleaning water supply source; a metering unit, the metering unit has a certain measuring groove, and the quantitative groove is connected with the measuring pipeline; a peristaltic pump, the peristaltic pump has a pumping and exhausting pipeline, the pumping and exhausting pipeline is connected to the metering unit; a first solenoid valve, the first solenoid valve is arranged between the waste liquid discharge channel and the waste liquid discharge pipe; a second solenoid valve, the second solenoid valve is arranged between the supply pipeline and the sampling pipeline; a third solenoid valve, the third solenoid valve is disposed on the exhaust pipe; and a control unit, the control unit is respectively connected to the peristaltic pump, the multi-channel valve, the digestion colorimetric device, the first solenoid valve, the second solenoid valve and the third solenoid valve through a plurality of control circuits, the control unit controls The suction and exhaust of the peristaltic pump, the opening and closing of the plurality of pipeline solenoid valves to change the channel state of the multi-channel valve and the opening and closing of the first solenoid valve, the second solenoid valve and the third solenoid valve, Let a test water sample in the water sample pipeline enter the transparent reaction tank through the measurement of the metering unit, and select at least one pharmaceutical bottle to obtain a digestion agent and a specific agent through the measurement of the metering unit and add it into the transparent reaction tank The reaction tank is controlled, and the operation of the digestion colorimetric device is controlled to obtain the specific substance concentration of the test water sample. The water quality analyzer as claimed in claim 1, wherein the digestion colorimetric device further comprises a light colorimeter and a light source, and the light source and the light colorimeter are respectively located on two sides of the transparent reaction tank. The water quality analyzer according to claim 1, wherein a high liquid level sensing element and a low liquid level sensing element are arranged in the quantitative tank. The water quality analyzer according to claim 1, further comprising a casing, the casing has an accommodating space, the digestion colorimetric device, the multi-channel valve, the metering unit, the peristaltic pump and the control unit are set in the accommodating space.

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