CN219511936U - Pretreatment system for monitoring and sampling water quality of sewage treatment plant - Google Patents
Pretreatment system for monitoring and sampling water quality of sewage treatment plant Download PDFInfo
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- CN219511936U CN219511936U CN202320542248.5U CN202320542248U CN219511936U CN 219511936 U CN219511936 U CN 219511936U CN 202320542248 U CN202320542248 U CN 202320542248U CN 219511936 U CN219511936 U CN 219511936U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a pretreatment system for monitoring and sampling water quality of a sewage treatment plant, which comprises the following components: an automatic water collection device and a controller; the automatic water sampling device comprises: the input end of the first conveying pump M1 is communicated with an aerobic tank of the sewage plant through a pipeline and is used for sucking a sewage sample in the aerobic tank, the output end of the first conveying pump M1 can be communicated with a COD analyzer, an ammonia nitrogen analyzer and/or a total nitrogen analyzer through a pipeline, and the input end or the output end of the first conveying pump M1 is connected with a first electric valve YM1 in series; the input end of the second conveying pump M2 is communicated with an anoxic tank of the sewage plant through a pipeline and is used for sucking a sewage sample in the anoxic tank, the output end of the second conveying pump M2 is communicated with a COD analyzer, an ammonia nitrogen analyzer and/or a total nitrogen analyzer through a pipeline, and the input end or the output end of the second conveying pump is connected with a second electric valve YM2 in series; the COD analyzer, the ammonia nitrogen analyzer and/or the total nitrogen analyzer are connected in series with a filtering device. The utility model has the advantages of reasonable structure, integrated design, convenient operation and high degree of automation.
Description
Technical Field
The utility model relates to a water quality monitoring and sampling pretreatment system of a sewage treatment plant.
Background
The accurate dosing control system of the sewage treatment plant agent needs to monitor factors such as COD, ammonia nitrogen, a total nitrogen analyzer and the like on line, and the dosing amount is controlled by an on-line monitoring value. The water samples retrieved from the anoxic tank and the aerobic tank are muddy water mixed slurry water, suspended matters are more than ten thousand, are easy to block, and cannot meet the water sample requirements of the on-line water quality analyzers such as COD, ammonia nitrogen, total nitrogen and the like. And the ammonia nitrogen of the water sample retrieved by the anoxic tank and the aerobic tank is required to be diluted in an overranging way, so that the degree of automation is relatively low in the prior art.
Disclosure of Invention
According to the defects, the utility model provides the water quality monitoring and sampling pretreatment system of the sewage treatment plant, and the pretreatment system can automatically complete all programs before an analyzer, and can complete all water quality analysis if the analyzer is connected.
The technical scheme of the utility model is as follows:
a sewage treatment plant water quality monitoring sampling pretreatment system, comprising: an automatic water collection device and a controller;
the automatic water sampling device comprises:
the input end of the first conveying pump M1 is communicated with an aerobic tank of the sewage plant through a pipeline and is used for sucking a sewage sample in the aerobic tank, the output end of the first conveying pump M1 can be communicated with a COD analyzer, an ammonia nitrogen analyzer and/or a total nitrogen analyzer through a pipeline, and the input end or the output end of the first conveying pump M1 is connected with a first electric valve YM1 in series;
the input end of the second conveying pump M2 is communicated with an anoxic tank of the sewage plant through a pipeline and is used for sucking a sewage sample in the anoxic tank, the output end of the second conveying pump M2 is communicated with a COD analyzer, an ammonia nitrogen analyzer and/or a total nitrogen analyzer through a pipeline, and the input end or the output end of the second conveying pump is connected with a second electric valve YM2 in series;
further, the controller can respectively control the first delivery pump M1 and the first electric valve YM1 or alternatively control the second delivery pump M2 and the second electric valve YM2 to be conducted alternately, so that sewage water samples in the aerobic tank or the anoxic tank can be delivered alternately.
Further, the COD analyzer, the ammonia nitrogen analyzer and/or the total nitrogen analyzer are connected in series with a filtering device.
Preferably, the filtering device comprises a coarse filtering device YL1 and a membrane filtering device.
Preferably, the membrane filtration device has a filtration accuracy of greater than 15-20 microns.
Preferably, the period of alternate conduction of the first delivery pump M1 and the second delivery pump M2 is 0.5-2 hours.
Further, a dilution device is connected in series before the dilution device is conveyed to a pipeline of the ammonia nitrogen analyzer, a dilution input end of the dilution device is communicated with a water source of pure water through a dilution electromagnetic valve YZ7, a water sample input end of the dilution device is communicated with an output end of the filtering device through a filtering electromagnetic valve YZ5, and the dilution electromagnetic valve YZ7 and the filtering electromagnetic valve YZ5 are electrically connected with the controller.
Preferably, the ratio of the filtered water output by the filtering device to the pure water is 1:1.
Further, the membrane filter device is provided with a first cleaning end and a second cleaning end, the first cleaning end is communicated with the air pump M6 through the first air pump electromagnetic valve YZ8, the second cleaning end is communicated with tap water through the first tap water electromagnetic valve YZ9, and the tap water and the air can be mixed for cleaning the membrane filter device; the tap water and air are mixed and are respectively connected to the output end of the coarse filter device YL1 through a second tap water electromagnetic valve YZ12 and a second air pump electromagnetic valve YZ13, the coarse filter device YL1 can be backwashed, the anti-backflushing electromagnetic valve YZ11 is connected between the coarse filter device and the membrane filter device in series, and the water and air mixed solution can be prevented from flowing into the membrane filter device; each electromagnetic valve is electrically connected with the controller respectively.
Further, the COD filter F4 and the COD electromagnetic valve YZ2 are connected in series before the COD analyzer, the ammonia nitrogen filter F3 and the ammonia nitrogen electromagnetic valve YZ1 are connected in series before the ammonia nitrogen analyzer, the total nitrogen filter F5 and the total nitrogen electromagnetic valve YZ3 are connected in series before the total nitrogen analyzer, and all the electromagnetic valves are respectively and electrically connected with the controller.
Further, after the output end of the membrane filtration device passes through the first sample injection pump M3, one path of the output end is output to the input ends of the total nitrogen electromagnetic valve YZ3 and the COD electromagnetic valve YZ2, the other path of the output end is communicated with the input end of the electromagnetic valve YZ5, and after the output end of the dilution device passes through the second sample injection pump M4 and the electromagnetic valve YZ4 in sequence, the other path of the output end is communicated with the ammonia nitrogen electromagnetic valve YZ1, and the other path of the output end is communicated with the output end of the first sample injection pump M3 through the electromagnetic valve YZ 6.
The controller includes:
the data acquisition module is used for acquiring parameters of each electric appliance;
the data storage module is used for storing parameters of each electrical appliance;
the data uploading module is used for transmitting all parameters to the upper computer;
and the input display module is used for setting various parameters and can be displayed through a display screen.
The system of the utility model integrates automatic water collection, water distribution, water supply and dilution devices; the functions of data acquisition, data storage, data uploading and the like are integrated, the system can continuously run under the unattended condition, and the degree of automation is high.
The utility model has the advantages of reasonable structure, integrated design, convenient operation and high degree of automation.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the present utility model.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings:
example 1:
a sewage treatment plant water quality monitoring sampling pretreatment system, comprising: an automatic water collection device and a controller;
the automatic water sampling device comprises:
the input end of the first conveying pump M1 is communicated with an aerobic tank of the sewage plant through a pipeline and is used for sucking a sewage sample in the aerobic tank, the output end of the first conveying pump M1 can be communicated with a COD analyzer, an ammonia nitrogen analyzer and/or a total nitrogen analyzer through a pipeline, and the input end or the output end of the first conveying pump M1 is connected with a first electric valve YM1 in series;
the input end of the second conveying pump M2 is communicated with an anoxic tank of the sewage plant through a pipeline and is used for sucking a sewage sample in the anoxic tank, the output end of the second conveying pump M2 is communicated with a COD analyzer, an ammonia nitrogen analyzer and/or a total nitrogen analyzer through a pipeline, and the input end or the output end of the second conveying pump is connected with a second electric valve YM2 in series;
the controller can respectively control the first delivery pump M1 and the first electric valve YM1 or alternatively control the second delivery pump M2 and the second electric valve YM2 to be conducted alternately, so that sewage water samples in an aerobic tank or an anoxic tank can be delivered alternately.
This example 1 can be used in cases where water pollution is not severe, and the dilution device and the filtration device are omitted in fig. 2.
By alternately collecting parameters of the aerobic tank or the anoxic tank, the utilization rate of the equipment can be effectively improved, the equipment cost is reduced, and the management is convenient.
Example 2:
based on the embodiment 1, the COD analyzer, the ammonia nitrogen analyzer and/or the total nitrogen analyzer are connected in series with a filtering device. The filtering device comprises a coarse filtering device YL1 and a membrane filtering device. The filtering precision of the membrane filtering device is higher than 15-20 micrometers.
It should be noted that, generally, the polluted water is relatively complex, the environment is relatively bad, and a filtering device is generally required to be equipped, and the structure of example 2 is obtained by omitting the back flushing structure in fig. 2.
Preferably, the period of alternate conduction of the first delivery pump M1 and the second delivery pump M2 is 0.5-2 hours.
In order to obtain accurate data, a dilution device is connected in series before the dilution device is conveyed to a pipeline of the ammonia nitrogen analyzer, a dilution input end of the dilution device is communicated with a water source of pure water through a dilution electromagnetic valve YZ7, a water sample input end of the dilution device is communicated with an output end of the filtering device through a filtering electromagnetic valve YZ5, and the dilution electromagnetic valve YZ7 and the filtering electromagnetic valve YZ5 are electrically connected with the controller. Preferably, the ratio of the filtered water output by the filtering device to the pure water is 1:1.
In order to prevent the filter from being blocked, and to prolong the service life and improve the monitoring efficiency, the membrane filter device is provided with a first cleaning end and a second cleaning end, wherein the first cleaning end is communicated with the air pump M6 through a first air pump electromagnetic valve YZ8, the second cleaning end is communicated with tap water through a first tap water electromagnetic valve YZ9, and the tap water and air can be mixed for carrying out air mixing cleaning on the membrane filter device; the tap water and air are mixed and are respectively connected to the output end of the coarse filter device YL1 through a second tap water electromagnetic valve YZ12 and a second air pump electromagnetic valve YZ13, the coarse filter device YL1 can be backwashed, the anti-backflushing electromagnetic valve YZ11 is connected between the coarse filter device and the membrane filter device in series, and the water and air mixed solution can be prevented from flowing into the membrane filter device; each electromagnetic valve is electrically connected with the controller respectively.
As a preferred embodiment, as shown in fig. 2, the COD analyzer is connected in series with the COD filter F4 and the COD solenoid valve YZ2 before, the ammonia nitrogen analyzer is connected in series with the ammonia nitrogen filter F3 and the ammonia nitrogen solenoid valve YZ1 before, and the total nitrogen analyzer is connected in series with the total nitrogen filter F5 and the total nitrogen solenoid valve YZ3 before, and each solenoid valve is electrically connected with the controller respectively.
After the output end of the membrane filtration device passes through the first sample injection pump M3, one path of the output end is output to the input ends of the total nitrogen electromagnetic valve YZ3 and the COD electromagnetic valve YZ2, the other path of the output end is communicated with the input end of the electromagnetic valve YZ5, and after the output end of the dilution device passes through the second sample injection pump M4 and the electromagnetic valve YZ4 in sequence, the other path of the output end is communicated with the output end of the first sample injection pump M3 through the electromagnetic valve YZ 6.
The data acquisition module is used for acquiring parameters of each electric appliance;
the data storage module is used for storing parameters of each electrical appliance;
the data uploading module is used for transmitting all parameters to the upper computer;
and the input display module is used for setting various parameters and can be displayed through a display screen.
The pretreatment system controller can be generally installed in a box structure, as shown in fig. 1, a control circuit is installed in a control box 1, a display screen 2 is installed at the same time, a storage box 3 can store water samples, and part of parts are installed in a box body 4.
In fig. 2, V2-V4 are manual ball valves, which are convenient for maintenance and debugging; EP1-EP3 are analytical instruments that can be connected to the present utility model; F3-F5 are sample water cups for storing sample water; f1 and F2 are sample introduction filters;
the output ends of the first delivery pump M1 and the second delivery pump M2 can be further connected to a reverse water flow filter, one path of water is output to the input end of the coarse filtration device YL1, the other path of water is output to the pressurized drainage through the manual ball valve V2, and the input end of the YL1 can also output the pressureless drainage through the electromagnetic valve YZ 10.
Claims (10)
1. A sewage treatment plant water quality monitoring sampling pretreatment system is characterized by comprising: an automatic water collection device and a controller;
the automatic water sampling device comprises:
the input end of the first conveying pump M1 is communicated with an aerobic tank of the sewage plant through a pipeline and is used for sucking a sewage sample in the aerobic tank, the output end of the first conveying pump M1 can be communicated with a COD analyzer, an ammonia nitrogen analyzer and/or a total nitrogen analyzer through a pipeline, and the input end or the output end of the first conveying pump M1 is connected with a first electric valve YM1 in series;
the input end of the second conveying pump M2 is communicated with an anoxic tank of the sewage plant through a pipeline and is used for sucking a sewage sample in the anoxic tank, the output end of the second conveying pump M2 is communicated with a COD analyzer, an ammonia nitrogen analyzer and/or a total nitrogen analyzer through a pipeline, and the input end or the output end of the second conveying pump is connected with a second electric valve YM2 in series;
the controller can respectively control the first delivery pump M1 and the first electric valve YM1 or alternatively control the second delivery pump M2 and the second electric valve YM2 to be conducted alternately, so that sewage water samples in an aerobic tank or an anoxic tank can be delivered alternately.
2. The pretreatment system for monitoring and sampling water quality of a sewage treatment plant according to claim 1, wherein the COD analyzer, the ammonia nitrogen analyzer and/or the total nitrogen analyzer are connected in series with a filtering device.
3. The pretreatment system for monitoring and sampling of sewage treatment plant as claimed in claim 2, wherein said filtering means comprises a coarse filtering means YL1 and a membrane filtering means.
4. A sewage treatment plant water quality monitoring sampling pretreatment system as claimed in claim 3, wherein said membrane filtration device has a filtration accuracy higher than 15-20 μm.
5. The pretreatment system for monitoring and sampling water quality of a sewage treatment plant according to claim 1, wherein the period of alternate conduction of the first transfer pump M1 and the second transfer pump M2 is 0.5-2 hours.
6. The pretreatment system for monitoring and sampling of sewage treatment plant according to claim 3 or 4, wherein a dilution device is connected in series before the pipeline of the ammonia nitrogen analyzer, the dilution input end of the dilution device is communicated with a water source of pure water through a dilution electromagnetic valve YZ7, the water sample input end of the dilution device is communicated with the output end of the filtering device through a filtering electromagnetic valve YZ5, and the dilution electromagnetic valve YZ7 and the filtering electromagnetic valve YZ5 are electrically connected with the controller.
7. The pretreatment system for monitoring and sampling water in a sewage treatment plant according to claim 6, wherein the ratio of filtered water to pure water output by the filtering device is 1:1.
8. The water quality monitoring and sampling pretreatment system of a sewage treatment plant according to claim 3, wherein the membrane filtration device is provided with a first cleaning end and a second cleaning end, the first cleaning end is communicated with the air pump M6 through a first air pump electromagnetic valve YZ8, the second cleaning end is communicated with tap water through a first tap water electromagnetic valve YZ9, and the tap water and air can be mixed to clean the membrane filtration device; the tap water and air are mixed and are respectively connected to the output end of the coarse filter device YL1 through a second tap water electromagnetic valve YZ12 and a second air pump electromagnetic valve YZ13, the coarse filter device YL1 can be backwashed, the anti-backflushing electromagnetic valve YZ11 is connected between the coarse filter device and the membrane filter device in series, and the water and air mixed solution can be prevented from flowing into the membrane filter device; each electromagnetic valve is electrically connected with the controller respectively.
9. The pretreatment system for monitoring and sampling of sewage treatment plant according to any one of claims 1 to 5, wherein the COD analyzer is connected in front of the COD filter F4 and the COD solenoid valve YZ2, the ammonia nitrogen analyzer is connected in front of the ammonia nitrogen filter F3 and the ammonia nitrogen solenoid valve YZ1, the total nitrogen analyzer is connected in front of the total nitrogen analyzer is connected in series with the total nitrogen filter F5 and the total nitrogen solenoid valve YZ3, and each solenoid valve is electrically connected with the controller.
10. The pretreatment system for monitoring and sampling water quality in a sewage treatment plant according to claim 9, wherein the output end of the membrane filtration device is output to the input ends of the total nitrogen electromagnetic valve YZ3 and the COD electromagnetic valve YZ2 and the input end of the other communication electromagnetic valve YZ5 after passing through the first sample injection pump M3, the output end of the dilution device is communicated with the output end of the first sample injection pump M3 after passing through the second sample injection pump M4 and the electromagnetic valve YZ4, and the other communication electromagnetic valve YZ1 and the other communication electromagnetic valve YZ 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320542248.5U CN219511936U (en) | 2023-03-15 | 2023-03-15 | Pretreatment system for monitoring and sampling water quality of sewage treatment plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320542248.5U CN219511936U (en) | 2023-03-15 | 2023-03-15 | Pretreatment system for monitoring and sampling water quality of sewage treatment plant |
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| CN219511936U true CN219511936U (en) | 2023-08-11 |
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| CN202320542248.5U Active CN219511936U (en) | 2023-03-15 | 2023-03-15 | Pretreatment system for monitoring and sampling water quality of sewage treatment plant |
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