CN221038296U - Pretreatment device of water quality on-line monitoring system - Google Patents
Pretreatment device of water quality on-line monitoring system Download PDFInfo
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- CN221038296U CN221038296U CN202322808178.6U CN202322808178U CN221038296U CN 221038296 U CN221038296 U CN 221038296U CN 202322808178 U CN202322808178 U CN 202322808178U CN 221038296 U CN221038296 U CN 221038296U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 238000012544 monitoring process Methods 0.000 title claims abstract description 64
- 238000005070 sampling Methods 0.000 claims abstract description 79
- 238000004062 sedimentation Methods 0.000 claims abstract description 40
- 239000010865 sewage Substances 0.000 claims abstract description 37
- 238000003911 water pollution Methods 0.000 claims abstract description 25
- 230000001376 precipitating effect Effects 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims abstract description 5
- 239000012943 hotmelt Substances 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims 1
- 238000001556 precipitation Methods 0.000 description 16
- 239000013049 sediment Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The application relates to a pretreatment device of a water quality on-line monitoring system, which belongs to the technical field of water quality monitoring, and comprises a sampling pump, a water inlet pipe and a water outlet pipe, wherein the sampling pump is arranged in the water inlet well and is used for pumping sewage in the water inlet well into a sampling sedimentation tank through the water inlet pipe; the sampling sedimentation tank is used for precipitating sewage pumped into the tank, so that the sewage after sedimentation is sampled, monitored and analyzed through the online monitoring system of the water pollution source which is communicated with the sampling sedimentation tank through an online water inlet pipeline. According to the application, the sewage in the sampling sedimentation tank is extracted and monitored by the online monitoring system of the water pollution source, so that the problem of pipeline blockage of the online monitoring system equipment is solved, and the use of daily functions of the online monitoring system and the accuracy of online data are ensured.
Description
Technical Field
The application belongs to the technical field of water quality monitoring, and particularly relates to a pretreatment device of a water quality on-line monitoring system.
Background
Sewage treatment and water quality monitoring are a vital part of modern city construction. With the continuous growth of urban population and the acceleration of industrialization, sewage treatment and water quality monitoring become important tasks for ensuring the quality of life and ecological protection of people. At present, on-line water quality monitoring equipment is arranged in the water inlet and the water outlet of domestic sewage treatment plants and is used for monitoring indexes such as COD (chemical oxygen demand), ammonia nitrogen, total phosphorus and the like, and the indexes can provide important information about various aspects of water quality. However, insoluble matters such as partial silt and pollutant particles exist in water liquid collected by inflow water of a sewage treatment plant, so that the pipeline of an on-line monitoring device system is easy to be blocked, and the result of water quality monitoring can be influenced. Therefore, how to prevent the pipeline of the on-line monitoring system device from being blocked becomes a technical problem to be solved.
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present application and is not intended to represent an admission that the foregoing is prior art.
Disclosure of utility model
In order to overcome the problems existing in the related art at least to a certain extent, the application provides the pretreatment device of the water quality on-line monitoring system, which can solve the problem of pipeline blockage of the on-line monitoring equipment system, meet the daily use function and ensure the accuracy of on-line data.
In order to achieve the above purpose, the application adopts the following technical scheme:
the application provides a pretreatment device of an online water quality monitoring system, which comprises,
The sampling pump is arranged in the water inlet well and is used for pumping the sewage in the water inlet well into the sampling sedimentation tank through a water inlet pipeline;
The sampling sedimentation tank is used for precipitating sewage pumped into the tank, so that the sewage after sedimentation is sampled, monitored and analyzed through the online monitoring system of the water pollution source which is communicated with the sampling sedimentation tank through an online water inlet pipeline.
Optionally, the device further comprises a water inlet valve arranged on the water inlet pipeline.
Optionally, the device further comprises an online water inlet valve arranged on the online water inlet pipeline.
Optionally, the system further comprises an online water return pipeline and an online water return valve:
One end of the online water return pipeline is connected with the online monitoring system of the water pollution source, the other end of the online water return pipeline is connected with the sampling sedimentation tank, and the online water return valve is arranged on the online water return pipeline.
Optionally, the device further comprises an overflow valve and an overflow pipeline:
One end of the overflow pipeline is connected with the sampling sedimentation tank, the connecting position is higher than the connecting position of the water inlet pipeline and the sampling sedimentation tank, the other end of the overflow pipeline stretches into the water inlet well, and the overflow valve is arranged on the overflow pipeline.
Optionally, the device further comprises a vent valve, a vent electromagnetic valve and a vent pipeline:
One end of the emptying pipeline is connected with the sampling sedimentation tank, and the other end of the emptying pipeline stretches into the water inlet well;
The emptying valve and the emptying electromagnetic valve are both arranged on the emptying pipeline, and the emptying electromagnetic valve is positioned on the pipeline section between the water inlet well and the emptying valve.
Optionally, the water inlet valve, the overflow valve, the emptying valve, the online water inlet valve and the online water return valve are all manual valves;
The manual valves and the pipelines are all made of PVC, and the pipelines of the device are connected in a hot melt connection mode.
Optionally, the cell body of sample precipitation tank comprises upper and lower two parts, upper portion cell body wholly is the square form, lower part cell body wholly is the cone bucket type.
Optionally, the device also comprises a cover plate detachably connected to the top of the sampling sedimentation tank.
Optionally, the system further comprises a field control box, wherein the field control box is used for controlling and triggering the sampling pump and the emptying electromagnetic valve to act.
The application adopts the technical proposal and has at least the following beneficial effects:
In practical application, the pretreatment device provided by the application pumps sewage in the water inlet well into the sampling sedimentation tank through the water inlet pipeline by the sampling pump, the sampling sedimentation tank sediments the sewage, and the sewage sedimented by the sampling sedimentation tank enters the online monitoring system of the water pollution source through the online water inlet pipeline. Because the water pollution source on-line monitoring system obtains the sewage, sediment, pollutant particles and other insoluble substances which are precipitated by the sampling precipitation tank, the blockage of the equipment pipeline of the water pollution source on-line monitoring system can not be caused, and the daily use function of the water pollution source on-line monitoring system and the accuracy of on-line data can be ensured.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
The accompanying drawings are included to provide a further understanding of the technical aspects or prior art of the present application, and are incorporated in and constitute a part of this specification. The drawings, which are used to illustrate the technical scheme of the present application, are not limited to the technical scheme of the present application.
FIG. 1 is a schematic diagram of a pretreatment device of an on-line water quality monitoring system according to an embodiment of the present application;
In the figure, 1-sampling pump; 2-a water inlet pipeline; 3-a water inlet valve; 4-sampling precipitation tank; 5-an on-line water inlet valve; 6-an online water inlet pipeline; 7-an on-line return line; 8-an online backwater valve; 9-overflow valve; 10-overflow pipe; 11-a vent valve; 12-emptying the electromagnetic valve; 13-venting the pipeline; 14-field control box.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, based on the examples herein, which are within the scope of the application as defined by the claims, will be within the scope of the application as defined by the claims.
At present, on-line water quality monitoring equipment is arranged in the water inlet and the water outlet of domestic sewage treatment plants and is used for monitoring indexes such as COD (chemical oxygen demand), ammonia nitrogen, total phosphorus and the like, and the indexes can provide important information about various aspects of water quality. However, insoluble matters such as partial silt and pollutant particles exist in water liquid collected by inflow water of a sewage treatment plant, so that the pipeline of an on-line monitoring device system is easy to be blocked, and the result of water quality monitoring can be influenced. Therefore, how to prevent the pipeline of the on-line monitoring system device from being blocked becomes a technical problem to be solved.
In view of this, the present application provides a pretreatment device of an online water quality monitoring system, in an embodiment, as shown in fig. 1:
The pretreatment device of the water quality on-line monitoring system provided by the application comprises: the sampling pump 1 is arranged in the water inlet well and is used for pumping sewage in the water inlet well into the sampling precipitation tank 4 through the water inlet pipeline 2; the sampling sedimentation tank 4 is used for precipitating sewage pumped into the tank so as to enable the water pollution source on-line monitoring system communicated with the sampling sedimentation tank 4 through the on-line water inlet pipeline 6 to sample and monitor and analyze the precipitated sewage.
In order to facilitate understanding of the technical scheme of the present application, the following briefly describes an application process of the preprocessing device in an actual scene:
As shown in FIG. 1, the lower left hand side of the figure is illustrated as an intake well and the upper right hand side is illustrated as an on-line monitoring system for the water pollution source. The sewage inlet well is used for sewage at the water inlet end of a related treatment system of a sewage treatment plant, and the sampling pump 1 is fixed in the sewage inlet well in a hanging mode. The staff opens the control switch of the sampling pump 1 to start the sampling pump 1. After the sampling pump 1 is started by a worker, sewage in the water inlet well is pumped into the sampling sedimentation tank 4 through the water inlet pipeline 2, after the sampling sedimentation tank 4 is filled with water for 1-5 minutes, the worker closes a control switch of the sampling pump 1, and after the sampling pump 1 is closed by the worker, the pumping of the sewage from the water inlet well is stopped. After standing for 5-15 minutes, sediment and pollutant particles in the sewage can be precipitated to the lower part of the sampling precipitation tank 4. Wherein, the staff can be according to actual conditions to pump sewage time and deposit time and adjust. The water pollution source on-line monitoring system samples and analyzes the sewage at the upper part of the sampling and settling tank 4 through an on-line water inlet pipeline 6 connected with the sampling and settling tank 4 and reports detection data. For example, the online monitoring system of the water pollution source is a CN1001 series online monitoring instrument, which can monitor the chemical oxygen demand; or a CN1002 series on-line monitoring instrument which can monitor ammonia nitrogen in sewage. Therefore, by using the pretreatment device in the application, because the water pollution source on-line monitoring system obtains the sewage, sediment, pollutant particles and other insoluble substances which are precipitated by the sampling precipitation tank, the blockage of the pipeline of the water pollution source on-line monitoring system can be prevented, and the daily function use of the water pollution source on-line monitoring system and the accuracy of on-line data are ensured.
Further, in a specific implementation scenario, as shown in fig. 1, the pretreatment device of the water quality online monitoring system further includes a water inlet valve 3 disposed on the water inlet pipe 2. The water inlet valve 3 is used for overhauling the water inlet pipeline 2.
Further, in a specific implementation scenario, as shown in fig. 1, the pretreatment device of the online water quality monitoring system further includes an online water inlet valve 5 disposed on the online water inlet pipe 6. The on-line water inlet valve 5 is used for overhauling the on-line water inlet pipeline 6.
Further, in a specific implementation scenario, as shown in fig. 1, the pretreatment device of the online water quality monitoring system further includes an online water return pipe 7 and an online water return valve 8: one end of the on-line water return pipeline 7 is connected with the water pollution source on-line monitoring system, the other end is connected with the sampling sedimentation tank 4, and the on-line water return valve 8 is arranged on the on-line water return pipeline 7. After the water pollution source on-line monitoring system finishes sampling, the rest water sample is sent back to the sampling sedimentation tank 4 through the on-line water return pipeline 7; the on-line backwater valve 8 is used for overhauling the on-line backwater pipeline 7.
Further, in a specific implementation scenario, as shown in fig. 1, the pretreatment device of the water quality online monitoring system further includes an overflow valve 9 and an overflow pipe 10: one end of the overflow pipeline 10 is connected with the sampling precipitation tank 4, the joint is higher than the joint of the water inlet pipeline 2 and the sampling precipitation tank 4, the other end of the overflow pipeline 10 stretches into the water inlet well, and the overflow valve 9 is arranged on the overflow pipeline 10. After the sampling sedimentation tank 4 is filled with water sample, the redundant water sample can flow back into the water inlet well through the overflow pipeline 10 higher than the water inlet pipeline 2; the overflow valve 9 is used for overhauling the overflow pipeline 10.
Further, in a specific implementation scenario, as shown in fig. 1, the pretreatment device of the water quality online monitoring system further includes a vent valve 11, a vent electromagnetic valve 12, and a vent pipeline 13: one end of the emptying pipeline 13 is connected with the sampling sedimentation tank 4, and the other end of the emptying pipeline 13 stretches into the water inlet well; the emptying valve 11 and the emptying electromagnetic valve 12 are arranged on the emptying pipeline 13, and the emptying electromagnetic valve 12 is arranged on the pipeline section between the water inlet well and the emptying valve 11. After the water pollution source on-line monitoring system completes one-time monitoring, if the sampling sedimentation tank 4 has excessive water sample and sediment, the emptying valve 11 and the emptying electromagnetic valve 12 can be opened, and the residual water sample and sediment in the sampling sedimentation tank 4 is discharged back to the water inlet well through the emptying pipeline 13. Wherein the vent valve 11 is used for overhauling the vent pipeline 13; the emptying electromagnetic valve 12 is controlled to be opened or closed by a worker to realize the emptying process of the sampling sedimentation tank 4.
In the embodiment, the water inlet valve 3, the overflow valve 9, the emptying valve 11, the online water inlet valve 5 and the online water return valve 8 are all manual valves; all the manual valves and all the pipelines are made of PVC, and the pipeline connection of the device is performed in a hot melt connection mode. All manual valves and pipelines in the pretreatment device of the water quality on-line monitoring system are made of PVC materials, and the pipelines and the valves are connected by hot melting before, so that the pretreatment device has the advantages of being simple and convenient to connect, long in service life, not easy to corrode and the like.
In the embodiment, the tank body of the sampling precipitation tank 4 consists of an upper part and a lower part, wherein the whole tank body of the upper part is square, and the whole tank body of the lower part is cone-shaped; and the upper and lower parts of the sampling precipitation tank 4 are manufactured by welding. The square tank body on the upper part of the sampling precipitation tank 4 is convenient for the online monitoring system of the water pollution source to extract the water sample, and the cone tank body on the lower part is convenient for rapidly precipitating sand, large particles and the like in the water sample in the cone tank of the sampling precipitation tank.
In this embodiment, the sampling and settling tank 4 further comprises a cover plate detachably connected to the top of the sampling and settling tank 4. The cover plate of the sampling precipitation tank 4 can be taken down from the sampling precipitation tank 4, so that the sampling precipitation tank 4 is conveniently opened for periodic cleaning and clearing. The cover plate can be made of glass, so that the sewage treatment condition in the sampling precipitation tank 4 can be observed better.
In another embodiment, based on the above embodiment, the pretreatment device of the water quality online monitoring system further comprises a field control box 14, and the field control box 14 is used for controlling the action of triggering the sampling pump 1 and the emptying electromagnetic valve 12.
Specifically, for example, a PLC controller or a relay control circuit may be configured in the site control box 14, so that the opening and closing of the sampling pump 1 and the air release solenoid valve 12 may be controlled. After the on-site control box 14 controls the sampling pump 1 to be started, the sampling pump 1 pumps sewage in the water inlet well into the sampling sedimentation tank 4 through the water inlet pipeline 2, the water pollution source on-line monitoring system can set that water samples are extracted from the sampling sedimentation tank 4 every 15 minutes, the water pollution source on-line monitoring system can extract 4 times from the sampling sedimentation tank 4 within one hour, thus water quality monitoring of one period can be automatically completed every two hours, meanwhile, the water pollution source on-line monitoring system can analyze water quality and report detection data, and the on-site control box 14 can control the sampling pump 1 to be closed after the water quality monitoring is completed. After the water pollution source on-line monitoring system completes monitoring of one period, the site control box 14 can control the opening of the emptying electromagnetic valve 12, residual sewage and sediment in the sampling sedimentation tank 4 are discharged back to the water inlet well through the emptying pipeline 13, and after 1-5 minutes, the emptying process can be completed by closing the emptying electromagnetic valve 12 through the site control box 14. The time for closing the air release solenoid valve 12 can be set by itself. The automatic operation of pretreatment of the water quality on-line monitoring system can be realized by adopting the mode, and the control realization method is needed to be described, belongs to the known realization method in the prior art, and the application does not relate to the improvement of the related method and principle.
The present application is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the scope of the present application are intended to be included in the scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims (10)
1. A pretreatment device of an online water quality monitoring system is characterized by comprising,
The sampling pump is arranged in the water inlet well and is used for pumping the sewage in the water inlet well into the sampling sedimentation tank through a water inlet pipeline;
The sampling sedimentation tank is used for precipitating sewage pumped into the tank, so that the sewage after sedimentation is sampled, monitored and analyzed through the online monitoring system of the water pollution source which is communicated with the sampling sedimentation tank through an online water inlet pipeline.
2. The pretreatment device of claim 1, further comprising a water inlet valve disposed on the water inlet conduit.
3. The pretreatment device of claim 2, further comprising an in-line inlet valve disposed on the in-line inlet conduit.
4. A pretreatment device as claimed in claim 3, further comprising an in-line return water line and an in-line return water valve:
One end of the online water return pipeline is connected with the online monitoring system of the water pollution source, the other end of the online water return pipeline is connected with the sampling sedimentation tank, and the online water return valve is arranged on the online water return pipeline.
5. The pretreatment device as recited in claim 4, further comprising an overflow valve and an overflow pipe:
One end of the overflow pipeline is connected with the sampling sedimentation tank, the connecting position is higher than the connecting position of the water inlet pipeline and the sampling sedimentation tank, the other end of the overflow pipeline stretches into the water inlet well, and the overflow valve is arranged on the overflow pipeline.
6. The pretreatment device of claim 5, further comprising a vent valve, a vent solenoid valve, and a vent conduit:
One end of the emptying pipeline is connected with the sampling sedimentation tank, and the other end of the emptying pipeline stretches into the water inlet well;
The emptying valve and the emptying electromagnetic valve are both arranged on the emptying pipeline, and the emptying electromagnetic valve is positioned on the pipeline section between the water inlet well and the emptying valve.
7. The pretreatment device of claim 6, wherein the water inlet valve, the overflow valve, the vent valve, the on-line water inlet valve, and the on-line water return valve are all manual valves;
The manual valves and the pipelines are all made of PVC, and the pipelines of the device are connected in a hot melt connection mode.
8. The pretreatment device according to claim 1, wherein the tank body of the sampling and settling tank is composed of an upper portion and a lower portion, the upper portion tank body is in a square shape as a whole, and the lower portion tank body is in a cone bucket shape as a whole.
9. The pretreatment device as recited in claim 1, further comprising a cover plate removably attached to a top of the sampling settling tank.
10. The pretreatment device of claim 6, further comprising a field control box for controlling triggering of the sampling pump and the purge solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322808178.6U CN221038296U (en) | 2023-10-19 | 2023-10-19 | Pretreatment device of water quality on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322808178.6U CN221038296U (en) | 2023-10-19 | 2023-10-19 | Pretreatment device of water quality on-line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221038296U true CN221038296U (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322808178.6U Active CN221038296U (en) | 2023-10-19 | 2023-10-19 | Pretreatment device of water quality on-line monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221038296U (en) |
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2023
- 2023-10-19 CN CN202322808178.6U patent/CN221038296U/en active Active
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