CN114705636A

CN114705636A - Water quality on-line monitor capable of being maintained remotely and monitoring method

Info

Publication number: CN114705636A
Application number: CN202210308516.7A
Authority: CN
Inventors: 朱文青; 杨磊; 任海波
Original assignee: Zhejiang Zhuosheng Environmental Technology Co ltd
Current assignee: Zhejiang Zhuosheng Environmental Technology Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-05

Abstract

The patent of the present invention relates to an on-line monitor, in particular to a remote-maintainable water quality on-line monitor and a monitoring method. The upper interface of the metering unit is communicated with the inlet pipeline of the sampling pump, the lower end interface of the metering unit is communicated with the inlet pipeline of the solenoid valve I, and the outlet pipeline of the sampling pump is connected to the overflow bottle; the The outlet pipeline of solenoid valve I is communicated with the lower interface of the digestion unit, the upper interface of the digestion unit is communicated with the inlet pipeline of the battery valve II; the outlet pipeline of the solenoid valve II is connected with the COM port of the solenoid valve III The NC end of the solenoid valve III is communicated with the inlet end of the drain pump, the NO end of the solenoid valve III is connected to the overflow bottle; the outlet end of the drain pump is connected to the overflow bottle. It has the function of remote maintenance, which improves the quality of operation and maintenance and reduces the cost of operation and maintenance.

Description

Water quality on-line monitor capable of being maintained remotely and monitoring method

Technical Field

The invention relates to an on-line monitor, in particular to a water quality on-line monitor capable of being maintained remotely and a monitoring method.

Background

With the development of all aspects, the pollution to the environment is more and more serious. Pollution of water resources can directly affect the living environment and the health of human beings. The environmental protection, which is to be set aside from prevention and treatment, is increasingly gaining national importance, and water resources are an important aspect thereof. In order to grasp the water quality condition of the water body, the water body needs to be sampled and analyzed. The water quality analyzer is an instrument capable of realizing automatic sampling and analysis of water, can be installed near the water body, and transmits acquired data to departments such as an environment monitoring station for monitoring.

The existing scheme is as follows: the traditional water quality monitoring scheme has the following two general types:

the first method is to pump different reagents and water samples into a quantitative tube by using a peristaltic pump in combination with an annular eight-way valve or a joint-row ten-way valve and the like, stop the peristaltic pump through liquid level detection, reversely discharge redundant liquid by using the peristaltic pump, and then sequentially pump the water samples and the reagents into a reaction tank by reversing through a three-way valve.

And secondly, extracting a reagent and a water sample with specified volumes by using an injection pump and a multi-channel rotary valve, reversing the reagent and the water sample by using a three-way valve on the injection pump, and pumping the quantified liquid into the reaction tank respectively.

The prior art has the following disadvantages:

1. the utilization rate of the reagent in the detection process is low, the amount of generated waste liquid is too large (the amount of the waste liquid generated by 360 times of test samples is 10-15L), and the cost for treating the waste liquid is high.

2. The application is narrow, and the water is not suitable for the environment with poor water quality.

3. The remote maintenance is not available, and the operation and maintenance personnel are required to go to the field for maintenance.

4. The procurement cost and the device cost are high.

Disclosure of Invention

The invention mainly solves the defects in the prior art, provides the water quality on-line monitoring device which can be suitable for any occasion, has the remote maintenance function, improves the operation and maintenance quality and reduces the operation and maintenance cost, and the monitoring method thereof.

The technical problem of the invention is mainly solved by the following technical scheme:

a water quality on-line monitor capable of being maintained remotely comprises a box body, wherein a metering unit is arranged in the box body, an upper interface of the metering unit is communicated with an inlet pipeline of a sample pump, a lower interface of the metering unit is communicated with an inlet pipeline of an electromagnetic valve I, and an outlet pipeline of the sample pump is connected with an overflow bottle; an outlet pipeline of the electromagnetic valve I is communicated with a lower interface of the digestion unit, and an upper interface of the digestion unit is communicated with an inlet pipeline of the battery valve II; an outlet pipeline of the electromagnetic valve II is communicated with a COM end of an electromagnetic valve III, an NC end of the electromagnetic valve III is communicated with an inlet end of a liquid discharge pump, and an NO end of the electromagnetic valve III is connected with an overflow bottle; the outlet end of the liquid discharge pump is connected with an overflow bottle.

Preferably, a display control unit capable of displaying various water quality data to be measured is arranged in the box body; the box body is internally provided with a cabinet door which can be automatically opened and closed by remote control.

Preferably, the box body and the cabinet door are remotely controlled through an electric telescopic rod.

Preferably, the metering unit comprises a cross-body valve, a metering pipe communicated with the cross-body valve is arranged at the upper part of the cross-body valve, the cross-body valve comprises channel pipes 1-10, and each channel pipe comprises: a No. 1 pure water pipe, a No. 2 channel pipe, a No. 3 water sample pipe, a No. 4 standard sample pipe, a No. 5 reagent first pipe, a No. 6 reagent second pipe, a No. 7 reagent third pipe, a No. 8 quality control sample pipe, a No. 9 cleaning waste liquid pipe and a No. 10 reaction waste liquid pipe; no. 1 ~ 10 passageway pipes are linked together with the metering tube respectively.

A monitoring method of a water quality on-line monitor capable of being maintained remotely is carried out according to the following steps:

opening a sample injection pump, pumping the water sample, the reagent and the pure water in the reagent bottle into a metering tube according to the opening and closing of a metering unit pipeline, measuring the volume of the required water sample by the metering tube, and pumping the water sample into a digestion pool in the digestion unit for water sample analysis;

the measured data is displayed in the display screen; after the digestion unit works, the liquid discharge pump works immediately, and the water sample in the digestion unit is discharged into the waste liquid bottle through the metering unit, so that the measurement of one sample period is completed.

Preferably, the No. 3 water sample pipe in the metering unit is used for inputting a sample to be detected from a water body, the detected water body is a water body under various conditions, such as a water body in the environment related to rivers, lakes and reservoirs, or a water body of a water source polluted by factory sewage and domestic wastewater, and a water body of a water plant related purified water source is detected;

in the detection process, the system automatically empties the liquid in the digestion unit at the initial stage of the process, detects the real-time condition of the digestion unit after the emptying execution is finished, and normally operates if the data is normal; otherwise, the system will alarm;

after the emptying digestion unit is finished, a water sample rinsing step is carried out; after a water sample is extracted by a No. 3 water sample pipe of the metering unit and is conveyed to a low liquid level detection line in the metering pipe, the water sample is input into a cleaning waste liquid barrel through a No. 9 cleaning waste liquid pipe of the metering unit;

after the water sample is rinsed, the No. 3 water sample pipe of the metering unit can extract the water sample and convey the water sample into the metering pipe, the metering unit can judge the volume of the required water sample, the water sample is input into a colorimetric pool in the digestion unit through the No. 2 channel pipe of the metering unit, and the required water sample volume is input; extracting a certain volume of reagent from a No. 5 reagent first tube, a No. 6 reagent second tube and a No. 7 reagent third tube which sequentially pass through a metering unit and inputting the reagent into a colorimetric pool of a digestion unit;

after the water sample and all reagents are extracted, the digestion unit can perform heating digestion related steps on the water sample extracted into the colorimetric pool, and the water sample in the colorimetric pool is emptied and input into the reaction waste liquid barrel through a No. 10 reaction waste liquid pipe of the metering unit;

after the digestion unit step is completed, various water quality data measured this time are sent out on a display control unit; ending the detection period of one water sample;

in the water sample detection process, an operator can remotely control the electric telescopic rod to open the cabinet door, and the detection process inside the equipment is checked through the industrial camera; if the abnormal condition is found, the display control unit can be remotely operated to carry out interference control on the water sample detection.

Preferably, for monitoring a water sample under a complex working condition, the water quality of the monitored water sample is ink type water quality and water with more granularity, the metering unit adopts a polarized light design, can identify purified water, organic solution and reagents with special colors, can effectively meter the water quality under a severe working condition, and ensures the accuracy of data, thereby improving the field adaptability;

if the operation and maintenance personnel are not on site, the measured water quality data is abnormal, the monitor gives an alarm, the operation and maintenance personnel log in the human-computer interface of the monitor remotely for maintenance, the operation and maintenance personnel can observe the specific abnormal phenomenon through the industrial camera, fault analysis and judgment are carried out on the special alarm, and the spare parts which need to be maintained can be brought to the site for directional maintenance.

The purpose of the invention is as follows:

1. the utilization rate of the reagent is improved, the amount of the generated waste liquid is controlled, and the amount of the waste liquid generated by 360 times of testing samples is less than 5L, so that the cost for treating the waste liquid is reduced.

2. Compatible multiple quality of water environment, under the circumstances such as quality of water is turbid, still can detect quality of water.

3. The equipment can be remotely maintained, the equipment is remotely logged in to operate the equipment to execute maintenance instructions such as calibration, measurement, cleaning and the like, and the reason of the fault can be positioned by synchronously observing the operation flow of the industrial camera in the equipment so that operation and maintenance personnel can carry out directional maintenance, and time and labor are saved.

4. And the optimal device is selected, so that the production cost is reduced, and the total equipment cost is reduced.

Key points and points to be protected:

1. the telnet device performs maintenance operations.

2. And observing the abnormal conditions by an industrial camera, and remotely solving or positioning the fault reasons.

3. Is suitable for various complex working conditions.

The advantages are that:

1. the utilization rate of the reagent is improved, the amount of the generated waste liquid is small, and the cost for treating the waste liquid is saved.

2. The environmental water body under various conditions can be detected, and the application range is improved.

3. When an abnormal condition occurs, the operation and maintenance personnel can preliminarily judge and solve the abnormal condition through remote operation. The trouble that the alarm of the instrument needs to be on site is saved.

4. And under the condition of ensuring that the instrument can complete detection, the optimal device is selected, so that the production and manufacturing cost is saved.

Drawings

FIG. 1 is an architectural diagram of the present invention;

FIG. 2 is a flow chart of the present invention;

FIG. 3 is a block diagram of the architecture of the present invention;

FIG. 4 is a schematic perspective view of the metering unit of FIG. 3;

FIG. 5 is a schematic front view of the structure of FIG. 4;

FIG. 6 is a schematic view of the digestion unit according to the present invention;

reference numerals: 25 is a colorimetric pool.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example 1: a water quality on-line monitor capable of being maintained remotely comprises a box body 1, wherein a metering unit 2 is arranged in the box body 1, an upper interface of the metering unit 2 is communicated with an inlet pipeline of a sample injection pump 3, a lower interface of the metering unit 2 is communicated with an inlet pipeline of an electromagnetic valve I4, and an outlet pipeline of the sample injection pump 3 is connected with an overflow bottle 5; an outlet pipeline of the electromagnetic valve I4 is communicated with a lower port of the digestion unit 6, and an upper port of the digestion unit 6 is communicated with an inlet pipeline of a battery valve II 7; an outlet pipeline of the solenoid valve II7 is communicated with a COM end of a solenoid valve III8, an NC end of the solenoid valve III8 is communicated with an inlet end of a drain pump 9, and an NO end of the solenoid valve III8 is connected with an overflow bottle 5; the outlet end of the liquid discharge pump 9 is connected with an overflow bottle 5.

The box body 1 is internally provided with a display control unit 10 which can display various water quality data to be measured; and a cabinet door 11 which is remotely controlled to automatically open and close is arranged in the box body 1.

The box body 1 and the cabinet door 11 are remotely controlled through an electric telescopic rod 12.

The metering unit 2 comprises a decadic connector valve 13, a metering pipe 14 communicated with the decadic connector valve 13 is arranged at the upper part of the decadic connector valve 13, the decadic connector valve 13 comprises channel pipes 1-10, and each channel pipe comprises: a No. 1 pure water pipe 15, a No. 2 channel pipe 16, a No. 3 water sample pipe 17, a No. 4 standard sample pipe 18, a No. 5 reagent first pipe 19, a No. 6 reagent second pipe 20, a No. 7 reagent third pipe 21, a No. 8 quality control sample pipe 22, a No. 9 cleaning waste liquid pipe 23 and a No. 10 reaction waste liquid pipe 24; no. 1-10 channel tubes are respectively communicated with the metering tube 14.

the measured data is displayed in the display screen; after the digestion unit works, the liquid discharge pump works immediately, and a water sample in the digestion unit is discharged into the waste liquid bottle through the metering unit, so that the measurement of one sample period is completed.

The No. 3 water sample pipe in the metering unit is used for inputting samples to be detected from water, and the detected water is water under various conditions, such as water in the environment related to rivers, lakes and reservoirs, or water in a water source polluted by factory sewage and domestic wastewater, and water in a purified water source related to a water plant is detected;

after the water sample is rinsed, the No. 3 water sample pipe of the metering unit extracts the water sample and conveys the water sample into the metering pipe, the metering unit judges the volume of the required water sample, the water sample is input into a colorimetric pool in the digestion unit through the No. 2 channel pipe of the metering unit, and the required water sample volume is input; extracting a certain volume of reagent from a No. 5 reagent first tube, a No. 6 reagent second tube and a No. 7 reagent third tube which sequentially pass through a metering unit and inputting the reagent into a colorimetric pool of a digestion unit;

after the digestion unit step is completed, various measured water quality data are displayed on a display control unit; ending the detection period of one water sample;

For a monitoring water sample under a complex working condition, the monitoring water sample is ink-type water quality and water quality with more granularity, the metering unit adopts a polarized light design, and not only can identify pure water, organic solution and reagents with special colors, but also can effectively meter the water quality under a severe working condition, and ensure the accuracy of data, thereby improving the field adaptability;

In the embodiment of the system, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be realized; in addition, the specific names of the functional modules are only for the convenience of distinguishing from each other.

Claims

1. A water quality online monitor that can be maintained remotely is characterized in that: comprising a box body (1), the box body (1) is provided with a metering unit (2), and the metering unit (2) is The upper interface is communicated with the inlet pipeline of the sampling pump (3), the lower end interface of the metering unit (2) is communicated with the inlet pipeline of the solenoid valve I (4), and the outlet of the sampling pump (3) The pipeline is connected to the overflow bottle (5); the outlet pipeline of the solenoid valve I (4) is communicated with the lower interface of the digestion unit (6), and the upper interface of the digestion unit (6) is connected to the battery valve II (7). ) is connected to the inlet pipeline; the outlet pipeline of the solenoid valve II (7) is connected to the COM end of the solenoid valve III (8), and the NC end of the solenoid valve III (8) is connected to the drain pump (9). ) are connected to each other, the NO end of the solenoid valve III (8) is connected to the overflow bottle (5); the outlet end of the drain pump (9) is connected to the overflow bottle (5).

2. A remotely maintainable water quality online monitor according to claim 1, characterized in that: the box (1) is provided with a display control unit (10) capable of displaying and measuring various water quality data; The cabinet (1) is provided with a cabinet door (11) that is automatically opened and closed by remote control.

3. A remotely maintainable water quality online monitor according to claim 1, characterized in that: the box body (1) and the cabinet door (11) are remotely controlled by an electric telescopic rod (12).

4. A remotely maintainable water quality online monitor according to claim 3, characterized in that: the metering unit (2) comprises a ten-joint valve (13), and the ten-joint valve (13) The upper part is provided with a metering pipe (14) that communicates with the ten-unit valve (13). Tube (15), No. 2 channel tube (16), No. 3 water sample tube (17), No. 4 standard sample tube (18), No. 5 reagent tube (19), No. 6 reagent tube (20), 7 No. 3 reagent tube (21), No. 8 quality control sample tube (22), No. 9 cleaning waste liquid tube (23) and No. 10 reaction waste liquid tube (24); No. 1 to No. 10 channel tubes are connected to the measuring tube (14) respectively. ) are connected.

5. utilize the monitoring method of a kind of remotely maintainable water quality online monitor of claim 4, it is characterized in that carrying out by the following steps:

Turn on the sampling pump, and according to the opening and closing of the pipeline of the metering unit, the water sample, reagent and pure water in the reagent bottle are sent to the metering tube. The metering tube measures the required volume of water sample and pumps it to the digestion unit in the digestion unit. pool for water sample analysis;

The measured data will be displayed on the display screen; after the digestion unit is finished, the drainage pump will work immediately, and the water sample in the digestion unit will be discharged into the waste liquid bottle through the metering unit, and the measurement of one sample cycle is completed.

6. the monitoring method of a kind of remotely maintainable water quality online monitor according to claim 5, is characterized in that:

The No. 3 water sample tube in the metering unit is used to input the samples to be tested from the water body. The water body tested is the water body under various conditions, such as the environmental water bodies related to rivers, lakes, and reservoirs, or related to factory sewage and domestic wastewater. The water body of polluted water source, and the water body of water purification related water source shall be detected;

In the detection process, the system will automatically empty the liquid in the digestion unit at the beginning of the process, and check the real-time condition of the digestion unit after the emptying is completed. If the data is normal, the system will run normally; otherwise, the system will alarm;

After the digestion unit is emptied, the water sample rinsing step will be performed; after the No. 3 water sample tube of the metering unit draws the water sample and transports it to the low-level detection line in the metering tube, the No. 9 cleaning waste liquid of the metering unit The pipe is input into the cleaning waste tank;

After the water sample rinsing is completed, the No. 3 water sample tube of the metering unit will extract the water sample and send it to the metering tube. The metering unit will determine the volume of the required water sample and input it to the digestion unit through the No. 2 channel tube of the metering unit. In the colorimetric cell inside, after inputting the required volume of water sample; the first tube of No. 5 reagent, the second tube of No. 6 reagent, and the third tube of No. 7 reagent that pass through the metering unit in turn, and a certain volume of reagents are drawn into the digestion unit. the colorimetric cell;

After completing the extraction of water samples and all reagents, the digestion unit will heat and digest the water samples extracted into the colorimetric cell. The pipe is input into the reaction waste liquid barrel;

After completing the steps of the digestion unit, the water quality data of this measurement will be issued on the display control unit; at this point, the detection cycle of one water sample is over;

During the water sample detection process, the operator can remotely control the electric telescopic rod, open the cabinet door, and check the detection process inside the equipment through the industrial camera; Interference control in water sample detection.

7. utilize the monitoring method of a kind of remotely maintainable water quality online monitor of claim 6, it is characterized in that:

For monitoring water samples under complex working conditions, the monitoring water samples are ink-like water quality and water quality with more granularity. The metering unit adopts a polarized light design. The metering unit can not only identify pure water, organic solutions, and reagents with special colors, but also It can effectively measure the water quality under severe working conditions and ensure the accuracy of the data, thereby improving the adaptability of the site;

If the operation and maintenance personnel are not on site, the measured water quality data is abnormal, and the monitor alarms, and remote login to the monitor's man-machine interface for maintenance. The operation and maintenance personnel can also observe the specific abnormal phenomenon through the industrial camera and troubleshoot the special alarm. Analysis and judgment, can bring the spare parts required for maintenance in advance to the site for directional maintenance.