CN219625129U - Double-pump double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution source - Google Patents
Double-pump double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution source Download PDFInfo
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- CN219625129U CN219625129U CN202320367036.8U CN202320367036U CN219625129U CN 219625129 U CN219625129 U CN 219625129U CN 202320367036 U CN202320367036 U CN 202320367036U CN 219625129 U CN219625129 U CN 219625129U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The utility model discloses an automatic double-pump double-pipe sampling device for automatic sampling and monitoring of a wastewater pollution source, which relates to the field of online monitoring of water quality and comprises an automatic sampler and a water tank, wherein a sampling pipeline is fixedly arranged at the bottom end of the automatic sampler, a drainage pipeline is fixedly arranged at one end of the sampling pipeline, which is far away from the automatic sampler, one end of the drainage pipeline is connected with the water tank, a first water pump and a second water pump are fixedly arranged at the other end of the drainage pipeline, a second water suction pipe and a first water suction pipe are respectively and fixedly arranged at the water inlet ends of the first water pump and the second water pump, and one ends of the second water suction pipe and the first water suction pipe, which are far away from the first water pump and the second water pump, are connected with the water tank. According to the utility model, the water collecting end uses the stainless steel self-priming pump, and the one-standby double water pump is arranged to run in parallel, so that one pump is ensured to run out of order, maintenance and replacement are not needed, and the other pipeline can be directly switched to run.
Description
Technical Field
The utility model relates to the technical field of water quality on-line monitoring, in particular to a double-pump double-tube automatic sampling device for automatic sampling and monitoring of a wastewater pollution source.
Background
At present, most of enterprise pollution source wastewater discharge ports are set to be open channel discharge ports, open channel type wastewater discharge is carried out, sampling points are arranged on the upstream of an open channel flow measuring section, sampling ports are arranged below 10 cm-30 cm away from the water surface, above 20cm away from the bottom of the channel, and the bottom of the channel cannot be pressed close to the bottom of the channel. The sampling pump should be selected reasonably according to the water sample flow, the water head loss of the water quality automatic sampler and the water level difference. The sampling pump should be used for one and can ensure that the water sample is conveyed to the automatic water quality sampler without deterioration. When the horizontal distance from the sampling point to the instrument is smaller than 20m and the vertical height difference is smaller than 3m, a submersible pump or a self-priming pump with the power of 350W is selected. According to the above specification requirements and in combination with the site situation, more than 90% of open channel type wastewater discharge enterprises are used for self-priming pump type sampling.
In the prior art, the following problems exist;
the adoption of self-priming sampling for wastewater pollution sources needs to solve the following problems:
1. the self-priming sampling pump is generally limited in suction range and is generally 6-8m, so that the self-priming sampling pump is generally installed in a station room for convenient management and maintenance, and the self-priming sampling pump can be pumped out due to leakage of air and water in a pipeline after long-time operation.
2. When the self-priming sampling pump is abnormal, a water sample cannot be normally collected, so that the sampler and the monitoring instrument have water-lack faults, the standby water pump is required to be manually intervened for maintenance or replacement, the continuity of automatic monitoring operation is poor, and the phenomenon of data missing occurs.
3. The industrial pollution source enterprise waste water generally contains impurities, the water quality is poor, the pipeline is blocked or damaged due to on-site reasons in the operation, the time for repairing and replacing the sampling pipeline again generally needs 1 day from material preparation to construction completion, and the operation data integrity of the automatic monitoring system is affected
4. Whether the original design sampling system can not normally recognize whether the water sample normally arrives at the sampler or not, and can not be switched for standby in time, so that the double-pump double-tube automatic sampling device for automatic sampling and monitoring of the wastewater pollution source is needed to meet the demands of people.
Disclosure of Invention
The utility model aims to provide a double-pump double-pipe automatic sampling device for automatic sampling and monitoring of a wastewater pollution source, which is used for solving the problems that when a self-priming sampling pump provided in the background art is abnormal, water samples cannot be normally collected, so that a sampler and a monitoring instrument have water sample shortage faults, manual intervention is required for maintenance or replacement of a standby water pump, the continuity of automatic monitoring operation is poor, and the phenomenon of data missing occurs.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a double-barrelled automatic sampling device of double-pump for waste water pollution source automatic sampling monitoring, includes automatic sampler and pond, automatic sampler's bottom fixed mounting has sampling pipeline, and sampling pipeline keeps away from automatic sampler's one end fixed mounting has drainage pipe, and drainage pipe's one end is connected with the pond, and fixed mounting has first water pump and second water pump on drainage pipe's the other end, and first water pump and second water pump's inlet end respectively fixed mounting have second drinking-water pipe and first drinking-water pipe, and first water pump and second drinking-water pipe keep away from the one end of first water pump and second water pump and all are connected with the pond.
Preferably: the sampling pipeline is internally and fixedly provided with a ball valve and an electronic pressure gauge, one end of a switch signal wire is arranged on the electronic pressure gauge, and the other end of the switch signal wire is connected with an automatic sampler.
Preferably: the water outlet end of the first water pump is fixedly provided with a first one-way valve, and the first one-way valve is positioned between the first water pump and the drainage pipeline.
Preferably: and a first electromagnetic valve is fixedly arranged at one end of the second water suction pipe, which is close to the first water pump.
Preferably: the water outlet end of the second water pump is fixedly provided with a second one-way valve, and the second one-way valve is positioned between the second water pump and the drainage pipeline.
Preferably: and a second electromagnetic valve is fixedly arranged at one end of the first water suction pipe, which is close to the second water pump.
Preferably: one end of the same first power control line is connected to the first water pump and the first electromagnetic valve, and the other end of the first power control line is connected with the automatic sampler.
Preferably: one end of the same second power control line is connected to the second water pump and the second electromagnetic valve, and the other end of the second power control line is connected with the automatic sampler.
Preferably: and a communicating pipe is fixedly arranged between the first water suction pipe and the second water suction pipe, and a normally closed ball valve is fixedly arranged on the communicating pipe.
The beneficial effects of the utility model are as follows:
in the utility model, the water collecting end uses the stainless steel self-priming pump, and a first water pump and a second water pump are arranged to run in parallel, so that one pump is ensured to have a pump failure, maintenance and replacement are not needed, and the operation of the other pipeline can be directly switched.
In the utility model, the electronic water pressure meter is additionally arranged at the front section of the water quality sampler, the upper water pressure limit is set during sampling operation, the sample is normally extracted to the pipeline, the value of the pressure meter reaches the set upper limit, the normal operation of the self-priming pump pipeline at present is indicated, otherwise, the pressure does not reach the value indicating that the water sample is not normally collected, and the standby water pump is started immediately after the sampler receives the switching value signal.
According to the utility model, the double-pipe sampling pipeline is designed, so that the problem that the system cannot normally and continuously run for a long time due to too long repairing and replacing time caused by single pipeline blockage is effectively avoided.
In the utility model, the signal data design of the electronic pressure gauge of the pipeline in the monitoring room can be collected and recorded by the data collector in the system, and the collected pressure data and the monitored data of the water sample can be proved, so that the condition that the sampling system is closed but the instrument normally operates to produce false is prevented.
Drawings
Fig. 1 is a schematic structural diagram of a double-pump double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution sources.
In the figure: 1. an automatic sampler; 2. a first water suction pipe; 3. a second water suction pipe; 4. a first water pump; 5. a second water pump; 6. a first one-way valve; 7. a second one-way valve; 8. a drainage pipe; 9. a sampling pipe; 10. a pool; 11. an electronic pressure gauge; 12. a switching signal line; 13. a first electromagnetic valve; 14. a second electromagnetic valve; 15. a first power supply control line; 16. a second power supply control line; 17. a ball valve; 18. a communicating pipe; 19. a normally closed ball 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.
Referring to fig. 1, a double-pump double-pipe automatic sampling device for automatic sampling and monitoring of a wastewater pollution source comprises an automatic sampler 1 and a water tank 10, wherein a sampling pipeline 9 is fixedly installed at the bottom end of the automatic sampler 1, a drainage pipeline 8 is fixedly installed at one end of the sampling pipeline 9, which is far away from the automatic sampler 1, one end of the drainage pipeline 8 is connected with the water tank 10, a first water pump 4 and a second water pump 5 are fixedly installed at the other end of the drainage pipeline 8, a second water suction pipe 3 and a first water suction pipe 2 are respectively fixedly installed at the water inlet ends of the first water pump 4 and the second water pump 5, and one ends of the second water suction pipe 3 and the first water suction pipe 2, which are far away from the first water pump 4 and the second water pump 5, are connected with the water tank 10.
In an alternative embodiment: the sampling pipeline 9 is internally and fixedly provided with a ball valve 17 and an electronic pressure gauge 11, one end of a switch signal wire 12 is arranged on the electronic pressure gauge 11, and the other end of the switch signal wire 12 is connected with the automatic sampler 1.
The automatic sampler 1 may determine whether or not moisture has entered the sampling pipe 9 by receiving a signal from the electronic pressure gauge 11 through the switch signal line 12.
In an alternative embodiment: the water outlet end of the first water pump 4 is fixedly provided with a first one-way valve 6, and the first one-way valve 6 is positioned between the first water pump 4 and the drainage pipeline 8.
The water in the drain pipe 8 may be restricted from flowing back into the first water pump 4 by the first water pump 4.
In an alternative embodiment: the first electromagnetic valve 13 is fixedly arranged at one end of the second water suction pipe 3, which is close to the first water pump 4.
The first solenoid valve 13 controls the entry of water in the second water suction pipe 3 into the first water pump 4.
In an alternative embodiment: the water outlet end of the second water pump 5 is fixedly provided with a second one-way valve 7, and the second one-way valve 7 is positioned between the second water pump 5 and the drainage pipeline 8.
The backflow of the water in the drain pipe 8 into the second water pump 5 may be restricted by the second check valve 7.
In an alternative embodiment: and a second electromagnetic valve 14 is fixedly arranged at one end of the first water suction pipe 2 close to the second water pump 5.
The second electromagnetic valve 14 restricts entry of moisture in the first water suction pipe 2 into the second water pump 5.
In an alternative embodiment: one end of the same first power control line 15 is connected to the first water pump 4 and the first electromagnetic valve 13, and the other end of the first power control line 15 is connected to the automatic sampler 1.
The automatic sampler 1 controls the first water pump 4 and the first solenoid valve 13 via the first power control line 15.
In an alternative embodiment: one end of the same second power control line 16 is connected to the second water pump 5 and the second electromagnetic valve 14, and the other end of the second power control line 16 is connected to the automatic sampler 1.
The automatic sampler 1 controls the second water pump 5 and the second solenoid valve 14 through the second power control line 16.
In an alternative embodiment: a communicating pipe 18 is fixedly arranged between the first water pumping pipe 2 and the second water pumping pipe 3, a normally closed ball valve 19 is fixedly arranged on the communicating pipe 18, and the water in the first water pumping pipe 2 and the second water pumping pipe 3 is controlled by the mutual matching of the communicating pipe 18 and the normally closed ball valve 19.
The working principle of the utility model is as follows:
1. the sampling pump is a stainless steel self-priming pump (the power is 350-500w, and the sampling distance is determined), each water pump corresponds to a set of independent water intake pipe, two sets of pipelines can be mutually common, and the first water pump can be switched by opening a ball valve between the pipelines under the condition that the pipeline of the first water pump 4 is blocked;
2. the water pump is started by controlling and starting through an automatic sampler, the automatic sampler starts the first water pump 4 to sample, simultaneously opens an electromagnetic valve on a pipeline of the first water pump 4, the first water pump 4 and a pipeline normally operate, a water sample is automatically conveyed to an electronic pressure gauge of a front pipeline of the automatic 0 sampler, the numerical value of the pressure gauge reaches a set upper limit, and the operation is normal;
3. the automatic sampler starts the first water pump 4 to sample, simultaneously starts an electromagnetic valve on a pipeline of the first water pump 4, the first water pump 4 fails or a pipeline is blocked, a water sample is not conveyed to the position of an electronic pressure gauge at the front end of the automatic sampler, the numerical value of the pressure gauge reaches a set lower limit (generally 0 value), the pressure gauge outputs a switching value signal to the automatic sampler, the automatic sampler turns off a power supply of the first water pump 4 through a set program, starts a second water pump 5 to sample, and simultaneously starts an electromagnetic valve on the pipeline of the second water pump 5 to ensure uninterrupted operation of the system;
4. the reserved value 4-20mA signal of the electronic pressure gauge in the system is used for outputting the water pressure data in the system to a data acquisition instrument or a central control system, and whether the data are normal or not can be judged through the value of the pressure gauge and the detection data of the instrument in the system;
5. the first water pump 4 and the second water pump are simultaneously failed, and the constant value early warning of the pressure gauge can be set through the setting data acquisition instrument and the central control system (for example, the automatic sampler is set for 30min to start sampling once, at least the constant value can not be set for 40min when the sample pressure value is set), so that the situation is judged to occur on site, the early warning is sent to perform human intervention and inspection as soon as possible, and the system failure time is reduced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (9)
1. The utility model provides a be used for automatic sampling of waste water pollution source to monitor double-pump double-barrelled automatic sampling device, includes automatic sampler (1) and pond (10), its characterized in that: the automatic sampler is characterized in that a sampling pipeline (9) is fixedly arranged at the bottom end of the automatic sampler (1), a drainage pipeline (8) is fixedly arranged at one end, far away from the automatic sampler (1), of the sampling pipeline (9), one end of the drainage pipeline (8) is connected with a water tank (10), a first water pump (4) and a second water pump (5) are fixedly arranged at the other end of the drainage pipeline (8), a second water suction pipe (3) and a first water suction pipe (2) are respectively fixedly arranged at the water inlet ends of the first water pump (4) and the second water pump (5), and one ends, far away from the first water pump (4) and the second water pump (5), of the second water suction pipe (3) and the first water suction pipe (2) are connected with the water tank (10).
2. The double-pump, double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution sources according to claim 1, wherein: the automatic sampling device is characterized in that a ball valve (17) and an electronic pressure gauge (11) are fixedly arranged in the sampling pipeline (9), one end of a switch signal wire (12) is arranged on the electronic pressure gauge (11), and the other end of the switch signal wire (12) is connected with the automatic sampler (1).
3. The double-pump, double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution sources according to claim 1, wherein: the water outlet end of the first water pump (4) is fixedly provided with a first one-way valve (6), and the first one-way valve (6) is positioned between the first water pump (4) and the drainage pipeline (8).
4. The double-pump, double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution sources according to claim 1, wherein: and a first electromagnetic valve (13) is fixedly arranged at one end of the second water suction pipe (3) close to the first water pump (4).
5. The double-pump, double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution sources according to claim 1, wherein: the water outlet end of the second water pump (5) is fixedly provided with a second one-way valve (7), and the second one-way valve (7) is positioned between the second water pump (5) and the drainage pipeline (8).
6. The double-pump, double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution sources according to claim 1, wherein: and a second electromagnetic valve (14) is fixedly arranged at one end of the first water suction pipe (2) close to the second water pump (5).
7. The double-pump, double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution sources according to claim 1, wherein: one end of the same first power control line (15) is connected to the first water pump (4) and the first electromagnetic valve (13), and the other end of the first power control line (15) is connected with the automatic sampler (1).
8. The double-pump, double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution sources according to claim 1, wherein: one end of the same second power control line (16) is connected to the second water pump (5) and the second electromagnetic valve (14), and the other end of the second power control line (16) is connected with the automatic sampler (1).
9. The double-pump, double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution sources according to claim 1, wherein: a communicating pipe (18) is fixedly arranged between the first water suction pipe (2) and the second water suction pipe (3), and a normally closed ball valve (19) is fixedly arranged on the communicating pipe (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320367036.8U CN219625129U (en) | 2023-03-02 | 2023-03-02 | Double-pump double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320367036.8U CN219625129U (en) | 2023-03-02 | 2023-03-02 | Double-pump double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution source |
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| Publication Number | Publication Date |
|---|---|
| CN219625129U true CN219625129U (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320367036.8U Active CN219625129U (en) | 2023-03-02 | 2023-03-02 | Double-pump double-tube automatic sampling device for automatic sampling and monitoring of wastewater pollution source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219625129U (en) |
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2023
- 2023-03-02 CN CN202320367036.8U patent/CN219625129U/en active Active
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