CN220367293U - Sewage and rainwater COD on-line monitoring appearance - Google Patents
Sewage and rainwater COD on-line monitoring appearance Download PDFInfo
- Publication number
- CN220367293U CN220367293U CN202322023990.8U CN202322023990U CN220367293U CN 220367293 U CN220367293 U CN 220367293U CN 202322023990 U CN202322023990 U CN 202322023990U CN 220367293 U CN220367293 U CN 220367293U
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- Prior art keywords
- liquid inlet
- sewage
- rainwater
- pipe
- communicated
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- 239000010865 sewage Substances 0.000 title claims abstract description 65
- 238000012544 monitoring process Methods 0.000 title claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 99
- 239000012535 impurity Substances 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 3
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract 2
- 238000005070 sampling Methods 0.000 description 12
- 238000000605 extraction Methods 0.000 description 10
- 238000011001 backwashing Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a sewage and rainwater COD on-line monitor, which comprises an on-line monitor main body, an on-line monitoring element arranged in the monitor main body and a liquid inlet component matched with the on-line monitoring element for carrying rainwater or sewage, wherein a back cleaning structure communicated with an output pipe is arranged on the liquid inlet component, a sewage discharging pipe matched with the back cleaning structure is arranged at the bottom end of the liquid inlet component, after the sewage or the rainwater is completely sampled by matching with the on-line monitoring element, the back cleaning structure operates, a water pump on the back cleaning structure operates to extract clean water, clean water is output into the output pipe through a water outlet pipe, the clean water flows into a liquid inlet tank again through the output pipe, the impurity residue filtered on a filter screen plate in the liquid inlet tank is reversely cleaned, the impurity in the impurity receiving tank is discharged through the sewage discharging pipe along with the reverse cleaning of the water flow, the liquid inlet component is cleaned, and the accuracy of intermittently monitoring the content of organic pollutants in real time for the rainwater or the sewage is improved.
Description
Technical Field
The utility model relates to the technical field of COD on-line monitoring, in particular to a sewage and rainwater COD on-line monitor.
Background
When the pollution degree of rainwater and sewage is monitored, the pollution degree of the rainwater and the sewage is required to be monitored through the cooperation of the COD on-line monitor, the content of organic pollutants in the water is monitored, and the treatment effect of sewage treatment plants or rainwater treatment equipment on the sewage or the rainwater is tracked on line in real time;
through retrieving, the online monitor of sewage and rainwater COD that the bulletin number is CN217521018U discloses, including the monitoring case, monitoring case openly is connected with the chamber door, the upper portion of monitoring incasement portion is equipped with the touch-sensitive screen, monitoring case inside middle department is equipped with the xenon lamp, monitoring case inside lower extreme is equipped with multiunit second interface, monitoring case front lower part department is equipped with multiunit first interface, monitoring case back upper portion department is equipped with the mounting bracket, the inside clear water tank that is equipped with of mounting bracket, monitoring case back middle department and lower part department all are equipped with the water pump, monitoring case back is close to two sets of water pump middle parts and is equipped with multiunit water inlet, be connected with the water route on the water inlet, be connected with the feed liquor case on the water route, be equipped with multiunit crushing roller in the feed liquor case, crushing roller one end is connected with driving motor, feed liquor case front department is equipped with the inlet, feed liquor case back department is equipped with the liquid outlet.
The crushing rollers are arranged in the liquid inlet box, so that the crushing rollers are used for refining and crushing, the phenomenon that large waste residues block a waterway is avoided, but the refined waste residues and other impurities have the probability of settling in the liquid inlet box, so that when rainwater or sewage is extracted and sampled again, the re-extracted sewage or rainwater is mixed with the settled impurities in the liquid inlet box, and the problem of influencing the accuracy of extracting and sampling the rainwater or sewage next time exists;
therefore, the utility model provides an on-line sewage and rainwater monitor for cleaning a sampling pipeline through a back cleaning structure.
Disclosure of Invention
The utility model aims to provide an online sewage and rainwater COD monitor so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the sewage and rainwater COD on-line monitor comprises an on-line monitor main body, an on-line monitoring element arranged in the monitor main body, and a liquid inlet component for receiving rainwater or sewage through a pump on the on-line monitoring element;
the liquid inlet component is arranged on the outer side of the online monitor main body, and the output end of the liquid inlet component is connected with the online monitor element through an output pipe;
the liquid inlet component is provided with a back cleaning structure communicated with the output pipe, and the bottom end of the liquid inlet component is provided with a drain pipe matched with the back cleaning structure.
Further, the liquid inlet component comprises a liquid inlet pipe, a liquid inlet box communicated with the liquid inlet pipe, a filter screen plate arranged in the liquid inlet box and arranged at the water outlet end of the liquid inlet pipe, and an impurity settling tank arranged below the filter screen plate and communicated with the liquid inlet box;
the liquid inlet end of the blow-down pipe is communicated with the bottom end of the impurity settling tank.
Further, a sealing access cover is screwed in the cleaning port at the bottom end of the impurity settling tank.
Further, the filter screen plate is obliquely arranged inside the liquid inlet box, and the impurity settling tank is arranged on the liquid inlet side of the filter screen plate in a lower arc shape.
Further, three groups of liquid inlet pipes are arranged on the liquid inlet component, and liquid inlet channels which are independent and communicated with the output pipe are formed on the filter screen plate corresponding to the three groups of liquid inlet pipes through the isolation plate.
Further, the back cleaning structure comprises a water pump and a water outlet pipe communicated with the water pump, wherein the water outlet pipe is communicated with the output pipe, and a single output valve is arranged at the communicated position of the water outlet pipe and the output pipe.
Furthermore, an independent switch is arranged on the water outlet pipe.
Compared with the prior art, the utility model has the beneficial effects that:
the online monitor for sewage and rainwater COD is characterized in that a liquid inlet component communicated with an online monitoring element is arranged on the outer side of a main body of the online monitor, rainwater or sewage to be monitored and sampled is intermittently extracted and sampled, the liquid inlet component is used for extracting and inputting the rainwater or sewage to the online monitoring element, and impurities in the rainwater or sewage are input into a liquid inlet pipe through a filter screen plate in the liquid inlet component, so that the rainwater or sewage after the impurities are filtered enters the online monitoring element, and the problems that the impurities enter the online monitoring element along with the sewage or the rainwater to influence the impurities to block a sampling port of the online monitoring element are avoided;
the bottom of the liquid inlet box in the liquid inlet assembly is provided with an impurity receiving groove positioned at one side of the filter screen plate, impurities filtered by the filter screen plate are received through the impurity receiving groove, the back washing structure operates after the completion of sampling of sewage or rainwater matching on-line monitoring elements, the water pump on the back washing structure operates to pump clean water, the clean water is output to the inside of the output pipe through the water outlet pipe, the clean water flows into the liquid inlet box again through the output pipe, the purpose of back washing is achieved for the impurity residues filtered by the filter screen plate in the liquid inlet box, the impurities in the impurity receiving groove are discharged through the drain pipe along with the back washing of water flow, the liquid inlet assembly is further washed, the convenience is ensured that no impurity which is used for sampling rainwater and sewage for the next time is left in the liquid inlet assembly when the operation of the next rainwater or the rainwater matching on-line monitoring elements is sampled, and the accuracy of monitoring the content of organic pollutants in real time is further improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the liquid inlet assembly of the present utility model;
fig. 3 is a schematic diagram of the main sectional structure of fig. 3 according to the present utility model.
In the figure: 1. an online monitor main body; 2. an on-line monitoring element; 3. a liquid inlet component; 4. an output pipe; 5. a back-washing structure; 6. a blow-down pipe; 7. a liquid inlet pipe; 8. a liquid inlet box; 9. a filter screen plate; 10. an impurity settling tank; 11. sealing the access cover; 12. a partition plate; 13. a water outlet pipe; 14. a water pump; 15. a one-way output valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the online monitor for sewage and rainwater COD comprises an online monitor main body 1, an online monitoring element 2 arranged in the monitor main body, and a liquid inlet component 3 for receiving rainwater or sewage through a pumping pump on the online monitoring element 2, wherein the online monitoring element 2 is a COD detection instrument with a heating module and a measuring module, such as an ERUN-ST-COD3E table type water quality chemical oxygen demand COD measuring instrument;
the liquid inlet component 3 is arranged on the outer side of the online monitor main body 1, and the output end of the liquid inlet component 3 is connected with the online monitor element 2 through the output pipe 4;
the liquid inlet component 3 is provided with a back cleaning structure 5 communicated with the output pipe 4, and the bottom end of the liquid inlet component 3 is provided with a drain pipe 6 matched with the back cleaning structure 5.
As shown in fig. 3, the liquid inlet assembly 3 comprises a liquid inlet pipe 7, a liquid inlet box 8 communicated with the liquid inlet pipe 7, a filter screen plate 9 arranged in the liquid inlet box 8 and arranged at the water outlet end of the liquid inlet pipe 7, and an impurity settling tank 10 arranged below the filter screen plate 9 and communicated with the liquid inlet box 8;
the liquid inlet end of the blow-down pipe 6 is communicated with the bottom end of the impurity settling tank 10, rainwater or sewage is extracted and output into the liquid inlet box 8 through the operation of the extraction pump matched with the liquid inlet pipe 7, and larger impurities in the rainwater or sewage output by the liquid inlet pipe 7 are filtered through the filter screen plate 9 in the liquid inlet box 8, the filtered impurities fall into the impurity settling tank 10 along with self weight when the extraction pump stops extracting the sewage or the rainwater, or fall into the impurity settling tank 10 along with self weight in the extraction pump in the rainwater or sewage extraction process, and then the impurities are prevented from flowing into the online monitoring element 2 along with the extracted rainwater or sewage, so that the sampling port of the online monitoring element 2 is blocked.
The sealing access cover 11 is screwed in the cleaning port at the bottom end of the impurity settling tank 10, and when the on-line monitoring element 2 stops monitoring rainwater or sewage or the impurities are too large to be discharged through the sewage discharge pipe 6, an operator cleans the inside of the impurity settling tank 10 again by opening the sealing access cover 11.
The filter screen plate 9 is obliquely arranged in the liquid inlet box 8, the impurity settling tank 10 is arranged on the liquid inlet side of the filter screen plate 9 in a lower arc shape, the filter screen plate 9 is obliquely used for filtering impurities in rainwater or sewage flowing into the online monitoring element 2 in the liquid inlet box 8, and after the filter screen plate 9 is used for filtering the impurities, the inclination angle of the filter screen plate 9 enables the impurities to fall into the impurity settling tank 10 by utilizing the weight of the dead weight of the impurities when the rainwater or the sewage stops flowing;
three groups of liquid inlet pipes 7 are arranged on the liquid inlet assembly 3, and liquid inlet channels which are independent and communicated with the output pipe 4 are formed on the filter screen plate 9 corresponding to the three groups of liquid inlet pipes 7 through the isolation plate 12; the three sets of liquid inlet pipes 7 can be alternately matched with the online monitoring element 2 for liquid inlet sampling according to the monitoring of rainwater or sewage.
The back cleaning structure 5 comprises a water pump 14 and a water outlet pipe 13 communicated with the water pump 14, the water outlet pipe 13 is communicated with the output pipe 4, a one-way output valve 15 is arranged at the position where the water outlet pipe 13 is communicated with the output pipe 4,
the water outlet pipe 13 is provided with an independent switch, clear water is output to other idle output pipes 4 through the water outlet pipe 13, the purpose of back cleaning is achieved for the output channels corresponding to the output pipes 4, and the effect of alternately cleaning three output pipes 4 and three liquid inlet channels corresponding to the three output pipes 4 is achieved;
the sewage and rainwater COD on-line monitor comprises a liquid inlet component 3 which is communicated with an on-line monitoring element 2 and is arranged on the outer side of an on-line monitor main body 1, wherein when rainwater or sewage is intermittently extracted and sampled, an extraction pump connected with the on-line monitor element operates to generate extraction acting force inside the liquid inlet component 3;
the liquid inlet pipe 7 on the liquid inlet assembly 3 is communicated with rainwater or sewage, the rainwater or sewage is extracted and output to a liquid inlet channel formed by a partition plate 12 in the liquid inlet box 8 through the liquid inlet pipe 7, the rainwater or sewage flows towards a sampling port of the online monitoring element 2 along with the extraction of the extraction pump in the liquid inlet box 8, the impurity in the rainwater or sewage flowing in the liquid inlet box 8 is filtered by the filter screen plate which is inclined upwards in the liquid inlet box 8, the rainwater or sewage to be monitored and sampled is extracted and input to the online monitoring element 2, the impurity in the rainwater or sewage is filtered through the filter screen plate 9 in the liquid inlet assembly 3, the filtered impurity falls into the impurity settling tank 10 along with dead weight when the extraction pump stops extracting the sewage or the rainwater, or falls into the impurity settling tank 10 along with dead weight in the extraction process of the rainwater or the sewage;
the impurity is prevented from flowing into the on-line monitoring element 2 along with the rainwater or the sewage being extracted, and the problem that the impurity blocks the sampling port of the on-line monitoring element 2 due to the fact that the impurity enters into the on-line monitoring element 2 along with the sewage or the rainwater is avoided;
after the sampling to sewage or rainwater cooperation on-line monitoring component 2 is accomplished, back washing structure 5 operation, the water pump 14 operation on the back washing structure 5 is to the clear water extraction, output clear water to output tube 4 inside through outlet pipe 13, the clear water flows into feed liquor incasement 8 through output tube 4 again, reach reverse abluent purpose to the impurity residue of filtering on the filter screen plate 9 in the feed liquor incasement 8, and connect impurity in the groove to follow the reverse washing of rivers and discharge through blow off pipe 6, and then wash feed liquor subassembly 3, be convenient for to the operation sampling to next rainwater or sewage cooperation on-line monitoring component 2, guarantee in the feed liquor subassembly 3 not have remain last impurity to rainwater and sewage sampling, and then improve the accuracy to rainwater or sewage intermittent real-time monitoring contain organic pollutant content.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a sewage and rainwater COD on-line monitoring appearance, includes on-line monitoring appearance main part (1), locates inside on-line monitoring component (2) of monitor main part to and through pump on-line monitoring component (2) to inlet module (3) that rainwater or sewage accepted, its characterized in that:
the liquid inlet component (3) is arranged at the outer side of the online monitor main body (1), and the output end of the liquid inlet component (3) is connected with the online monitor element (2) through the output pipe (4);
the liquid inlet component (3) is provided with a back cleaning structure (5) communicated with the output pipe (4), and the bottom end of the liquid inlet component (3) is provided with a drain pipe (6) matched with the back cleaning structure (5).
2. The sewage and rainwater COD on-line monitor according to claim 1, wherein: the liquid inlet assembly (3) comprises a liquid inlet pipe (7), a liquid inlet box (8) communicated with the liquid inlet pipe (7), a filter screen plate (9) arranged in the liquid inlet box (8) and arranged at the water outlet end of the liquid inlet pipe (7), and an impurity settling tank (10) arranged below the filter screen plate (9) and communicated with the liquid inlet box (8);
the liquid inlet end of the blow-down pipe (6) is communicated with the bottom end of the impurity settling tank (10).
3. The sewage and rainwater COD on-line monitor according to claim 2, wherein: the cleaning port at the bottom end of the impurity settling tank (10) is internally and spirally connected with a sealing access cover (11).
4. A sewage and stormwater COD on-line monitor as claimed in claim 3, wherein: the filter screen plate (9) is obliquely arranged inside the liquid inlet box (8), and the impurity settling tank (10) is arranged on the liquid inlet side of the filter screen plate (9) in a lower arc shape.
5. The sewage and rainwater COD on-line monitor as claimed in claim 4, wherein: three groups of liquid inlet pipes (7) are arranged on the liquid inlet assembly (3), and liquid inlet channels which are independent and communicated with the output pipe (4) are formed on the filter screen plate (9) corresponding to the three groups of liquid inlet pipes (7) through the isolation plate (12).
6. The sewage and rainwater COD on-line monitor according to claim 1, wherein: the back cleaning structure (5) comprises a water pump (14) and a water outlet pipe (13) communicated with the water pump (14), the water outlet pipe (13) is communicated with the output pipe (4), and a one-way output valve (15) is arranged at the position where the water outlet pipe (13) is communicated with the output pipe (4).
7. The sewage and rainwater COD on-line monitor as claimed in claim 6, wherein:
an independent switch is arranged on the water outlet pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322023990.8U CN220367293U (en) | 2023-07-31 | 2023-07-31 | Sewage and rainwater COD on-line monitoring appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322023990.8U CN220367293U (en) | 2023-07-31 | 2023-07-31 | Sewage and rainwater COD on-line monitoring appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220367293U true CN220367293U (en) | 2024-01-19 |
Family
ID=89515021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322023990.8U Active CN220367293U (en) | 2023-07-31 | 2023-07-31 | Sewage and rainwater COD on-line monitoring appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220367293U (en) |
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2023
- 2023-07-31 CN CN202322023990.8U patent/CN220367293U/en active Active
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