CN112034129A - Water quality monitoring circulation tank and water quality monitoring method - Google Patents

Water quality monitoring circulation tank and water quality monitoring method Download PDF

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Publication number
CN112034129A
CN112034129A CN202010910684.4A CN202010910684A CN112034129A CN 112034129 A CN112034129 A CN 112034129A CN 202010910684 A CN202010910684 A CN 202010910684A CN 112034129 A CN112034129 A CN 112034129A
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CN
China
Prior art keywords
water quality
quality monitoring
water
pipe
cleaning
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Pending
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CN202010910684.4A
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Chinese (zh)
Inventor
李林
孙明文
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Shanghai Chunye Instrument Technology Co ltd
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Shanghai Chunye Instrument Technology Co ltd
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Priority to CN202010910684.4A priority Critical patent/CN112034129A/en
Publication of CN112034129A publication Critical patent/CN112034129A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • G01N33/1886Water using probes, e.g. submersible probes, buoys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/10Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/102Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The water quality monitoring circulation groove comprises a box body, the box body is used for installing a water quality monitoring sensor and allowing a monitoring water sample to flow through, the water quality monitoring circulation groove further comprises a cleaning air pipe, the cleaning air pipe is installed inside the box body, the cleaning air pipe is provided with an air outlet hole used for releasing compressed air, and the air outlet hole can be at least aligned to a probe of the water quality monitoring sensor. The water quality monitoring circulation groove has a self-cleaning function by arranging the cleaning air pipe, so that the water quality monitoring sensor is cleaned, the influence of impurities in a monitored water sample on a measurement result is reduced, and the accuracy of the measurement result is improved.

Description

Water quality monitoring circulation tank and water quality monitoring method
Technical Field
The disclosure relates to the technical field of water quality monitoring, in particular to a water quality monitoring circulation tank and a water quality monitoring method.
Background
Water quality monitoring is an important means for detecting the health condition of a water sample, so that the improvement of the accuracy and the stability of water quality monitoring is particularly important. Among the many methods for improving the accuracy and stability of water quality monitoring, improving the flow path condition of the monitored water sample is the most direct and feasible means.
The circulation tank for monitoring the water quality is also called a circulation cup and a measuring tank, and can provide suitable and stable working conditions such as flow speed, pressure, flow direction and the like for various water quality monitoring sensors, thereby improving the accuracy and stability of water quality monitoring.
The existing water quality monitor has the following defects:
first, the gathering bubble is easily condensed to water quality monitoring sensor bottom, and adsorbs the impurity of water quality monitoring sensor bottom and hardly taken away by rivers to lead to measuring result unstability.
Secondly, it is not suitable for use in, for example, ships or other applications where there is a large shock and sway.
Disclosure of Invention
The present disclosure is made in view of the state of the art described above. The invention aims to provide a water quality monitoring circulation tank and a water quality monitoring method.
The utility model provides a water quality monitoring circulation groove, includes the box, the box is used for installing the water quality monitoring sensor and supplies the monitoring water sample to flow through, water quality monitoring circulation groove still includes the washing trachea, the washing trachea install in inside the box, the washing trachea has the venthole that is used for releasing compressed air, the venthole can aim at least the probe of water quality monitoring sensor.
Preferably, the cleaning trachea comprises a sensor cleaning section and a box wall cleaning section, the air outlet of the sensor cleaning section can be used for monitoring the probe of the water quality monitoring sensor, and the box wall cleaning section is arranged along the periphery of the box body.
Preferably, the air outlet of the tank wall cleaning section faces the tank wall of the tank adjacent to the air outlet.
Preferably, the cleaning air pipe is arranged at the bottom of the box body.
Preferably, the purge gas pipe is made of a stainless material.
Preferably, the water quality monitoring circulation groove comprises the water quality monitoring sensor, and in a use state, the water quality monitoring sensor integrally forms an included angle of 15 degrees to 75 degrees relative to the vertical direction.
Preferably, in a use state, the whole water quality monitoring sensor forms an included angle of 45 degrees relative to the vertical direction.
Preferably, the box body is provided with a mounting surface, the water quality monitoring sensor is mounted on the mounting surface, and in a use state, the whole water quality monitoring sensor and the mounting surface incline towards two opposite sides in the vertical direction.
Preferably, the box body is provided with a mounting hole, the mounting hole is used for allowing the water quality monitoring sensor to penetrate through for mounting, and a sealing ring is arranged in the mounting hole.
Preferably, the sealing ring comprises an embedded sealing ring and a compression type sealing ring, the embedded sealing ring is arranged in the mounting hole, and the compression type sealing ring is arranged on the axial outer side of the mounting hole.
The water quality monitoring circulation groove comprises a water inlet pipe, a water outlet pipe and a water outlet pipe, and the water quality monitoring method comprises the following steps:
a monitoring step: opening the water inlet pipe, closing the water discharge pipe, enabling the monitoring water sample to enter the water quality monitoring circulation groove through the water inlet pipe and flow out of the water quality monitoring circulation groove through the water discharge pipe, and monitoring the monitoring water sample flowing through the water quality monitoring circulation groove by the water quality monitoring sensor;
a cleaning step: closing the drain pipe, introducing compressed air into the cleaning air pipe, and cleaning at least the water quality monitoring sensor by the compressed air blown out of the cleaning air pipe;
a sewage discharge step: and opening the drain pipe, stopping introducing compressed air into the cleaning air pipe, and discharging the monitoring water sample contained in the water quality monitoring circulation groove and impurities formed in the cleaning step from the drain pipe.
The technical scheme provided by the disclosure at least has the following beneficial effects:
the water quality monitoring circulation groove has a self-cleaning function by arranging the cleaning air pipe, so that the water quality monitoring sensor is cleaned, the influence of impurities in a monitored water sample on a measurement result is reduced, and the accuracy of the measurement result is improved.
Drawings
Fig. 1 is a schematic perspective view of a water quality monitoring flow-through tank provided by the present disclosure, in which a cleaning device is not shown.
Fig. 2 is another perspective view of the water quality monitoring circulation tank, in which the tank and the water pipe of the circulation tank are not shown.
Fig. 3 is another perspective view of the water quality monitoring circulation tank, in which the water pipe of the circulation tank is not shown.
Description of reference numerals:
the device comprises a water quality monitoring sensor 1, a box body 2, a 31 water inlet pipe, a 32 water outlet pipe, a 33 water outlet pipe, a 34 regulating valve, a 35, 36 on-off valve, a 4 cleaning air pipe, a 40 air outlet hole, a 41 sensor cleaning section, a 42 box wall cleaning section, a 5 air delivery pipe, a 51 pressure regulator, a 6 mounting surface, a 61 mounting hole, a 62 embedded sealing ring and a 63 compression type sealing ring.
Detailed Description
Exemplary embodiments of the present disclosure are described below with reference to the accompanying drawings. It should be understood that the detailed description is intended only to teach one skilled in the art how to practice the disclosure, and is not intended to be exhaustive or to limit the scope of the disclosure.
As shown in fig. 1 to 3, the present disclosure provides a water quality monitoring circulation tank, which may include a water quality monitoring sensor 1, a tank 2 and a water pipe, wherein the water quality monitoring sensor 1 is installed in the tank 2, and a probe of the water quality monitoring sensor 1 is located in the tank 2.
The water pipe is connected to the box 2, and the water pipe includes inlet tube 31 and outlet pipe 32, monitors the water sample and gets into box 2 and flow out box 2 through outlet pipe 32 via inlet tube 31, and box 2 supplies the monitoring water sample to flow through, and the water inlet of box 2 is less than the delivery port of box 2. The inlet pipe 31 may be provided with an adjusting valve 34 to adjust the amount of inlet water.
The water pipe further includes a drain pipe 33, and the drain pipe 33 may be provided with an on-off valve 35 exemplified by an electromagnetic valve, and when the flushed impurities are accumulated at the bottom of the tank 2 and need to be cleaned, the on-off valve 35 may be opened so that the monitored water sample and impurities in the tank 2 are discharged through the drain pipe 33. The drain pipe 33 is connected to a drain port of the case 2, which is located at the bottom of the case 2, and the level of the drain port is lower than that of the water outlet. In the up-down direction, the height of the probe of the water quality monitoring sensor 1 is lower than that of the water outlet and higher than that of the water outlet.
Quality of water monitoring circulation groove still includes belt cleaning device, and belt cleaning device is inside 2 boxes are located to cleaning gas pipe 4 and transmission trachea 5 including the connection, and cleaning gas pipe 4 and compressed air source are connected to transmission trachea 5, and cleaning gas pipe 4 has a plurality of ventholes 40 that are used for releasing compressed air to compressed air can get into cleaning gas pipe 4 through conveying pipe 5, and bloated from venthole 40.
The delivery pipe 5 may be provided with an on-off valve 36 exemplified by an electromagnetic valve and a pressure regulator 51, and the pressure regulator 51 is used for regulating the compressed air entering the purge pipe 4 from the compressed air source to a suitable pressure, for example, 0.4 MPa.
The purge gas pipe 4 is made of, for example, stainless steel, so that the purge gas pipe 4 is not easily deformed. The air conveying pipe 5 is made of, for example, plastic, specifically, PVC (polyvinyl chloride), for example.
The cleaning gas pipe 4 may include a sensor cleaning section 41 and a tank wall cleaning section 42, and the gas outlet 40 of the sensor cleaning section 41 may be aligned with the probe of the water quality monitoring sensor 1. Therefore, the sensor cleaning section 41 sprays air towards the probe, and the air flow drives the water sample nearby the probe to disturb, so that the purpose of cleaning the probe is achieved.
The tank wall cleaning section 42 can be arranged along the periphery of the tank body 2, so that the tank wall cleaning section 42 is close to the air injection of the tank wall, the air flow drives the water sample disturbance near the tank wall, the purpose of cleaning the tank wall is achieved, the adsorption and propagation of impurities or algae on the tank wall are reduced, and the possibility of monitoring the water sample by secondary pollution is reduced.
The water quality monitoring circulation groove has a self-cleaning function by arranging the cleaning air pipe 4, realizes the cleaning of the water quality monitoring sensor 1 and the cleaning of the tank wall, reduces the influence of impurities in a monitoring water sample on a measurement result, improves the accuracy of the measurement result, also prolongs the service life of the water quality monitoring sensor 1, and reduces the cost of water quality monitoring.
Preferably, the air outlet 40 of the tank wall cleaning section 42 can be directed towards the tank wall of the tank 2 adjacent thereto, which enables a better cleaning effect to be obtained.
In a particular embodiment, the purge gas line 4 may be formed in a "zig-zag" shape, with the tank wall purge section 42 forming a rectangle and the sensor purge section 41 connecting opposite sides of the rectangle.
In order to obtain better cleaning effect and enable the air flow to cause larger disturbance to the water sample, the cleaning air pipe 4 is preferably arranged at the bottom of the box body 2.
The water quality monitoring sensor 1 is rod-shaped as a whole, and forms an included angle of 15 degrees to 75 degrees, preferably 45 degrees with the vertical direction. When bubbles or impurities in the monitored water sample are condensed at the probe of the water quality monitoring sensor 1, the impurities can be easily taken away by water flow and are not easily blocked by the water quality monitoring sensor 1.
The water quality monitoring flow channel may have a plurality of, for example, three water quality monitoring sensors 1 for multi-parameter monitoring. The probes of the water quality monitoring sensors 1 can be positioned on the same water layer section, so that the real parameter condition of the monitored water sample can be better represented, the interrelation among all parameters of the monitored water sample can be more directly reflected, and data support and basis are provided for water body treatment and purification.
The case 2 may have an inclined mounting surface 6, the water quality monitoring sensor 1 may be mounted on the mounting surface 6, and the entire water quality monitoring sensor 1 and the mounting surface 6 may be inclined toward opposite sides in the vertical direction in the use state. The water quality monitoring sensor 1 can be inserted into the tank 2 from the outside of the mounting surface 6 obliquely with respect to the vertical direction.
Like this, need not reserve the cartridge space at the upside of box 2, reduced the volume of water quality monitoring circulation groove, moreover, water quality monitoring sensor 1's connecting wire can be arranged more succinctly, is favorable to reducing the signal interference between the connecting wire.
The mounting surface 6 can be provided with a mounting hole 61, the mounting hole 61 is used for the water quality monitoring sensor 1 to pass through, and the mounting hole 61 can be provided with a sealing ring which blocks a passage for water samples to overflow from between the water quality monitoring sensor 1 and the box body 2.
Specifically, the seal rings include an in-line seal ring 62 and a press-fit seal ring 63, the in-line seal ring 62 is provided in the mounting hole 61, and the press-fit seal ring 63 is provided axially outside the mounting hole 61. After the water quality monitoring sensor 1 is mounted in the mounting hole 61, the embedded sealing ring 62 seals a gap between the water quality monitoring sensor 1 and the tank 2, and more specifically, the embedded sealing ring 62 seals a radial gap between the water quality monitoring sensor 1 and the mounting hole 61; the press-fit type seal ring 63 is pressed against the case 2 by the water quality monitoring sensor 1 on the axially outer side of the mounting hole 61.
Like this, under the effect of sealing washer, the monitoring water sample can not spill over from mounting hole 61 to this water quality monitoring circulation groove can not only use in the fixed static occasion of conventionality, can also have the multiple occasion that shakes greatly to rock at boats and ships or monitoring ship etc. and use.
A water quality monitoring method using the water quality monitoring flow channel is introduced below, and the monitoring method comprises the following steps.
Monitoring step
The inlet pipe 31 and the outlet pipe 32 are opened (optionally, the outlet pipe 32 is in a state of always being opened), the drain pipe 33 is closed, the supply of the compressed air to the purge air pipe 4 is stopped, specifically, the regulating valve 34 is opened, and the on-off valves 35, 36 are closed. The monitoring water sample enters the water quality monitoring circulation groove at a proper flow rate after being regulated by the regulating valve 34, continuously enters the water quality monitoring circulation groove through the water inlet pipe 31 and continuously flows out of the water quality monitoring circulation groove through the water outlet pipe 32. The water quality monitoring sensors 1 (for example, three water quality monitoring sensors 1) monitor the monitored water sample flowing through the water quality monitoring circulation tank.
Cleaning step
The drain pipe 33 is closed, and compressed air is supplied to the cleaning air pipe 4, specifically, the on-off valve 35 is closed, and the on-off valve 36 is opened. Compressed air is blown out from the air outlet 40 of the cleaning air pipe to form an even air brush, so that the box wall of the water quality monitoring circulation tank and the probe of the water quality monitoring sensor 1 are fully cleaned, and impurities adsorbed on the box wall and the probe are washed away. The flushed impurities can flow out of the water quality monitoring circulation tank through the water outlet pipe 32.
Step of draining sewage
The drain pipe 33 is opened to stop the introduction of the compressed air into the cleaning air pipe 4, specifically, the on-off valve 35 is opened to close the on-off valve 36, the cleaning air pipe 4 stops the air blowing, the monitoring water sample in the water quality monitoring circulation tank is discharged through the drain pipe 33, the impurities deposited at the bottom of the tank body 2 are carried out of the water quality monitoring circulation tank, and the tank body 2 is further cleaned. In this step, the water quality monitoring sensor 1 does not monitor, or the monitored data is regarded as invalid data.
It should be understood that the above-described embodiments are exemplary only, and are not intended to limit the present disclosure. Various modifications and alterations of the above-described embodiments may be made by those skilled in the art in light of the teachings of this disclosure, without departing from the scope of this disclosure.

Claims (11)

1. The utility model provides a water quality monitoring circulation groove, includes box (2), box (2) are used for installing water quality monitoring sensor (1) and supply the monitoring water sample to flow through, its characterized in that, water quality monitoring circulation groove still includes washing trachea (4), washing trachea (4) install in inside box (2), washing trachea (4) have venthole (40) that are used for releasing compressed air, venthole (40) can aim at least the probe of water quality monitoring sensor (1).
2. A water quality monitoring flow-through cell according to claim 1, characterized in that the cleaning gas pipe (4) comprises a sensor cleaning section (41) and a tank wall cleaning section (42), the gas outlet (40) of the sensor cleaning section (41) being able to monitor the probe of the water quality monitoring sensor (1), the tank wall cleaning section (42) being arranged along the periphery of the tank (2).
3. A water quality monitoring flow-through cell according to claim 2, characterized in that the air outlet (40) of the tank wall washing section (42) is directed towards the tank wall of the tank (2) adjacent thereto.
4. A water quality monitoring flow-through tank according to claim 1, wherein the cleaning air pipe (4) is provided at the bottom of the tank (2).
5. A water quality monitoring flow-through trough according to claim 1, characterized in that the purge gas pipe (4) is made of stainless steel material.
6. The water quality monitoring circulation groove according to claim 1, wherein the water quality monitoring circulation groove comprises the water quality monitoring sensor (1), and in a use state, the water quality monitoring sensor (1) integrally forms an included angle of 15 degrees to 75 degrees with respect to a vertical direction.
7. A water quality monitoring flow-through channel according to claim 6, wherein the water quality monitoring sensor (1) is entirely angled at 45 degrees with respect to the vertical direction in use.
8. The water quality monitoring flow-through tank according to claim 1, wherein the tank body (2) has an installation surface (6), the water quality monitoring sensor (1) is installed on the installation surface (6), and the water quality monitoring sensor (1) as a whole and the installation surface (6) are inclined toward opposite sides in a vertical direction in a use state.
9. A water quality monitoring flow-through tank according to claim 1, characterized in that the tank body (2) has a mounting hole (61), the mounting hole (61) is used for the water quality monitoring sensor (1) to pass through, and the mounting hole (61) is provided with a sealing ring.
10. A water quality monitoring flow-through groove according to claim 9, wherein the sealing ring comprises an in-line sealing ring (62) and a compression sealing ring (63), the in-line sealing ring (62) is provided in the mounting hole (61), and the compression sealing ring (63) is provided axially outside the mounting hole (61).
11. A water quality monitoring method using the water quality monitoring flow channel according to any one of claims 1 to 10, the water quality monitoring flow channel including a water inlet pipe (31), a water outlet pipe (32), and a water discharge pipe (33), the water quality monitoring method comprising:
a monitoring step: opening the water inlet pipe (31), closing the water outlet pipe (33), enabling the monitoring water sample to enter the water quality monitoring circulation groove through the water inlet pipe (31) and flow out of the water quality monitoring circulation groove through the water outlet pipe (32), and monitoring the monitoring water sample flowing through the water quality monitoring circulation groove by the water quality monitoring sensor (1);
a cleaning step: closing the drain pipe (33), introducing compressed air into the cleaning air pipe (4), and cleaning at least the water quality monitoring sensor (1) by the compressed air blown out of the cleaning air pipe (4);
a sewage discharge step: and opening the drain pipe (33), stopping introducing compressed air into the cleaning air pipe (4), and discharging the monitoring water sample contained in the water quality monitoring circulation groove and impurities formed in the cleaning step from the drain pipe (33).
CN202010910684.4A 2020-09-02 2020-09-02 Water quality monitoring circulation tank and water quality monitoring method Pending CN112034129A (en)

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Application Number Priority Date Filing Date Title
CN202010910684.4A CN112034129A (en) 2020-09-02 2020-09-02 Water quality monitoring circulation tank and water quality monitoring method

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Application Number Priority Date Filing Date Title
CN202010910684.4A CN112034129A (en) 2020-09-02 2020-09-02 Water quality monitoring circulation tank and water quality monitoring method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113341090A (en) * 2021-06-15 2021-09-03 福建省农业机械化研究所(福建省机械科学研究院) Multi-parameter superposition type circulator of water quality sensor
CN113358580A (en) * 2021-05-31 2021-09-07 南京市仪器仪表工业供销有限公司 Water quality sampling system and monitoring method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101329325A (en) * 2008-07-29 2008-12-24 中国科学院海洋研究所 Water sample automatic sampler for monitoring cultivation water quality on-line in sea water factory
CN201945573U (en) * 2010-12-27 2011-08-24 杭州鼎利环保科技有限公司 Mounting device for five-parameter sensor
CN210037608U (en) * 2019-03-22 2020-02-07 南京帕克光电科技有限公司 90-degree scattering turbidity meter
CN211122832U (en) * 2019-11-13 2020-07-28 杭州启绿科技有限公司 Multi-parameter pool for water quality monitor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101329325A (en) * 2008-07-29 2008-12-24 中国科学院海洋研究所 Water sample automatic sampler for monitoring cultivation water quality on-line in sea water factory
CN201945573U (en) * 2010-12-27 2011-08-24 杭州鼎利环保科技有限公司 Mounting device for five-parameter sensor
CN210037608U (en) * 2019-03-22 2020-02-07 南京帕克光电科技有限公司 90-degree scattering turbidity meter
CN211122832U (en) * 2019-11-13 2020-07-28 杭州启绿科技有限公司 Multi-parameter pool for water quality monitor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113358580A (en) * 2021-05-31 2021-09-07 南京市仪器仪表工业供销有限公司 Water quality sampling system and monitoring method
CN113341090A (en) * 2021-06-15 2021-09-03 福建省农业机械化研究所(福建省机械科学研究院) Multi-parameter superposition type circulator of water quality sensor

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Application publication date: 20201204

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