CN210559826U - Automatic system for backwashing of filter tank - Google Patents
Automatic system for backwashing of filter tank Download PDFInfo
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- CN210559826U CN210559826U CN201921551111.6U CN201921551111U CN210559826U CN 210559826 U CN210559826 U CN 210559826U CN 201921551111 U CN201921551111 U CN 201921551111U CN 210559826 U CN210559826 U CN 210559826U
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Abstract
The utility model discloses a filtering pond back flush automatic system, including the filtering pond, the flocculation basin, the clean water basin, the water tower, the destruction valve of intaking, drainage destruction valve, back flush valve, the clean water valve, vacuum channel, the PLC controller and cloud ware, form the siphon flow path of intaking between the raw water inlet of filtering pond and the flocculation basin export, the destruction valve of intaking locates the siphon flow path of intaking, form the siphon flow path of drainage between the back flush outlet of filtering pond and the flocculation basin entry, drainage destruction valve locates the siphon flow path of drainage, the back flush water inlet of filtering pond connects the water tower through the back flush valve, the filtering pond outlet of filtering pond connects the clean water basin through the clean water valve, the PLC controller connects above-mentioned valve respectively; the PLC controller is equipped with the communication signal module, and the PLC controller passes through the communication signal module to be connected with the cloud ware. The back flush environment in each valve switch control filtering pond just can be dispatched through the PLC controller to the present case, saves cost and high-efficient, especially can carry out remote control system, and use prospect is wide.
Description
Technical Field
The utility model relates to a water treatment field, in particular to automatic system for backwashing of filter tank.
Background
The existing filter chamber backwashing requires an operator to reach the position of a filter chamber operation platform, open a manual valve of a water inlet siphon valve on site to destroy water inlet siphon, then manually close a clean water valve in a local control cabinet of the filter chamber, half open a backwashing valve, vacuumize a vacuum pump chamber, return to the operation platform to observe vacuum formation, and start backwashing by using a full-open backwashing valve after the formation. And after the timing of 5 minutes by a mobile phone, completing the back washing, opening a manual valve at the position of a drainage siphon valve to break the drainage siphon, finally vacuumizing a vacuum pump chamber to form water inlet siphon, and opening a clean water valve. The original operation mode needs a large amount of labor, the labor cost is high, the operation is complicated, the misoperation of personnel is easy, and systematization and intellectualization are insufficient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a filtering pond back flush automatic system need not personnel and reachs the scene and operate, but the operating condition of each equipment of remote monitoring and dispatch alleviates workman's burden, practices thrift the cost, and use prospect is wide.
In order to achieve the above object, the technical solution of the present invention is as follows:
an automatic system for backwashing of a filter tank comprises the filter tank, a flocculation tank, a clean water tank, a water tower, a water inlet destruction valve, a water discharge destruction valve, a backwashing valve, a clean water valve, a vacuum channel, a PLC (programmable logic controller) and a cloud server, wherein the filter tank comprises a raw water inlet, a filter tank water outlet, a backwashing water inlet and a backwashing water outlet;
a water inlet siphon flow path is formed between a raw water inlet of the filter tank and an outlet of the flocculation tank, and the water inlet breaking valve is arranged between the water inlet siphon flow path and the vacuum channel;
a drainage siphon flow path is formed between the backwashing water outlet of the filter tank and the inlet of the flocculation tank, and the drainage breaking valve is arranged between the drainage siphon flow path and the vacuum channel;
a back-flushing water inlet of the filter is arranged at the bottom of the filter and is connected with a water tower through the back-flushing valve;
a filter water outlet of the filter is arranged at the bottom of the filter and is connected with a clean water tank through the clean water valve;
the water inlet siphon flow path is provided with a first radio frequency admittance switch, the water discharge siphon flow path is provided with a second radio frequency admittance switch, and the PLC is respectively connected with the water inlet siphon valve, the water inlet breaking valve, the water discharge siphon valve, the water discharge breaking valve, the back flush valve, the clean water valve, the first radio frequency admittance switch and the second radio frequency admittance switch; the PLC is provided with a GPRS/4G mobile communication signal module and is connected with the cloud server through the GPRS/4G mobile communication signal module; the equipment connected with the cloud server comprises a computer client and a mobile phone client.
Preferably, the inner wall of the filter tank is provided with an ultrasonic liquid level sensor, the ultrasonic liquid level sensor is connected with a PLC (programmable logic controller), and the ultrasonic liquid level sensor is used for detecting the water level of the filter tank.
Preferably, the water inlet siphon flow path comprises a first water storage cavity, a water inlet siphon and a water inlet siphon valve, the first water storage cavity is arranged at the raw water inlet, the water inlet siphon valve is arranged between the first water storage cavity and the raw water inlet to control the on-off of the water inlet siphon flow path, and the water inlet damage valve is arranged in the first water storage cavity to control the formation or damage of the siphon environment of the water inlet siphon flow path; one end of the water inlet siphon is connected with the first water storage cavity, and the other end of the water inlet siphon is connected with the outlet of the flocculation tank; the PLC is also connected with a water inlet siphon valve.
Preferably, the drainage siphon flow path comprises a second water storage cavity, a drainage siphon pipe and a drainage siphon valve, the second water storage cavity is arranged at the drainage port of the filter tank, the drainage siphon valve is arranged between the drainage port of the filter tank and the second water storage cavity to control the on-off of the drainage siphon flow path, and the drainage destruction valve is arranged in the second water storage cavity to control the formation or destruction of the siphon environment of the drainage siphon flow path; one end of the drainage siphon is connected with the second water storage cavity, and the other end of the drainage siphon is connected with the inlet of the flocculation tank; the PLC is also connected with a drainage siphon valve.
Preferably, the vacuum channel comprises a vacuum tube and a vacuum pump, the water inlet siphon flow path and the water discharge siphon flow path are respectively connected with the vacuum pump through a first vacuum tube and a second vacuum tube, the water inlet destructive valve is arranged on the first vacuum tube, and the water discharge destructive valve is arranged on the second vacuum tube.
After the scheme is adopted, the utility model discloses when using, the workman just can schedule the back flush environment in each valve on-off control filtering pond through the PLC controller as long as, makes the filtering pond realize the automatic back flush function of efficient, need not a large amount of costs of labor for the working process especially can carry out remote control system, lets the present case use prospect wider.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals:
the system comprises a filter 1, a raw water inlet 11, a filter water outlet 12, a backwashing water inlet 13, a backwashing water outlet 14, an ultrasonic liquid level sensor 15, a flocculation tank 2, a flocculation tank outlet 21, a water inlet siphon flow path 211, a water inlet siphon valve 212, a first water storage cavity 213, a water inlet siphon 214, a flocculation tank inlet 22, a drainage siphon flow path 221, a drainage siphon valve 222, a second water storage cavity 223, a drainage siphon pipe 224, a clean water tank 3, a water tower 4, a water inlet destructive valve 5, a first radio frequency admittance switch 51, a drainage destructive valve 6, a second radio frequency admittance switch 61, a backwashing valve 7, a clean water valve 8, a vacuum channel 9, a first vacuum tube 91, a first vacuum tube 92, a vacuum pump 93, a PLC (programmable logic controller) 10, a cloud server 101, a GPRS/4G mobile communication signal module 102 and an on-site controller 103.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor, please refer to fig. 1.
The utility model provides a filtering pond back flush automatic system, includes filtering pond 1, flocculation basin 2, clean water basin 3, water tower 4, intake destroy valve 5, drainage destroy valve 6, back flush valve 7, clean water valve 8, vacuum channel 9, PLC controller 10 and cloud ware 101, filtering pond 1 includes raw water inlet 11, filtering pond outlet 12, back flush water inlet 13 and back flush outlet 14.
A water inlet siphon flow path 211 is formed between a raw water inlet 11 and a flocculation tank outlet 21 of the filter tank, and the water inlet breaking valve 5 is arranged between the water inlet siphon flow path 211 and the vacuum channel 9;
a drainage siphon flow path 221 is formed between the back flush outlet 14 of the filter tank and the inlet 22 of the flocculation tank, and the drainage breaking valve 6 is arranged between the drainage siphon flow path 221 and the vacuum channel 9.
As known in the art, the filter tank 1 is provided with a filter layer, so a back-flushing water inlet 13 of the filter tank 1 is arranged at the bottom of the filter tank 1 and is connected with the water tower 4 through the back-flushing valve 7, so that the water flow of the water tower 4 can flush the filter layer upwards from the bottom of the filter tank 1, and the back-flushing effect is achieved.
And a filter water outlet 12 of the filter 1 is arranged at the bottom of the filter and is connected with the clean water tank 3 through the clean water valve 8.
The water inlet siphon flow path 211 is provided with a first radio frequency admittance switch 51, the drainage siphon flow path 221 is provided with a second radio frequency admittance switch 61, the PLC 10 is respectively connected with the water inlet siphon valve 212, the water inlet destroy valve 5, the drainage siphon valve 222, the drainage destroy valve 6, the back flush valve 7, the clear water valve 8, the first radio frequency admittance switch 51 and the second radio frequency admittance switch 61, and the radio frequency admittance switches are used for detecting whether a siphon environment is formed; the PLC 10 is provided with a GPRS/4G mobile communication signal module 102, and the PLC 10 is connected with the cloud server 101 through the GPRS/4G mobile communication signal module 102; the equipment connected with the cloud server 101 comprises a computer client and a mobile phone client, and thanks to the cloud server, a user can use the computer client to control the PLC in a duty room and can also use the mobile phone client to control the PLC in other places.
The PLC controller is a programmable logic controller known in the industry, and adopts a programmable memory, instructions for executing operations such as logic operation, sequence control, timing, counting, arithmetic operation and the like are stored in the programmable logic controller, various types of mechanical equipment or production processes are controlled through digital or analog input and output, and the PLC controller is connected with and controls all equipment and comprises information transmission and feedback of all equipment. Of course, the filter chamber may be provided with an on-site controller 103 for the workers to operate on site, and the valves and RF admittance switches may be connected to the on-site controller, which is connected to the PLC controller 10, to provide the workers with the option of remote operation. The PLC 10 can open and close each valve set time, but the design is more theoretical, and has an error with the actual valve opening and closing, so in the preferred embodiment, the inner wall of the filter 1 is provided with the ultrasonic liquid level sensor 15, the ultrasonic liquid level sensor 15 can accurately detect the water level of the filter 1, and the ultrasonic liquid level sensor 15 is connected with the PLC 10.
The intake siphon flow path 211 is provided with an intake siphon valve 212 for opening and closing the raw water inlet 11 in order to prevent wastewater from flowing to the raw water inlet 11 during backwashing, and similarly, the discharge siphon flow path 221 is provided with a discharge siphon valve 222 for opening and closing the backwash water inlet 14 in order to prevent fresh water from flowing to the backwash water inlet 14 during non-backwashing.
The water inlet siphon flow path 211 further comprises a first water storage cavity 213 and a water inlet siphon 214, the first water storage cavity 213 is arranged at the raw water inlet 11, the water inlet siphon valve 212 is arranged between the first water storage cavity 213 and the raw water inlet 11 to control the on-off of the water inlet siphon flow path 211, and the water inlet breaking valve 5 is arranged in the first water storage cavity 213 to control the formation or the breaking of the siphon environment of the water inlet siphon flow path 211; one end of the water inlet siphon 214 is connected with the first water storage cavity 213, and the other end of the water inlet siphon 214 is connected with the outlet of the flocculation tank 2; the PLC controller 10 is further connected to a water inlet siphon valve 212, so that the structural design is beneficial to protecting the system, making the structure more stable, and also beneficial to maintenance and replacement.
Similarly, the drainage siphon flow path 221 further comprises a second water storage cavity 223 and a drainage siphon 224, the second water storage cavity 223 is arranged at the filter tank drainage port 12, the drainage siphon valve 222 is arranged between the filter tank drainage port 12 and the second water storage cavity 223 to control the on-off of the drainage siphon flow path 221, and the drainage destroy valve 6 is arranged in the second water storage cavity 223 to control the formation or destruction of the siphon environment of the drainage siphon flow path 221; one end of the drainage siphon pipe 224 is connected with the second water storage cavity 223, and the other end of the drainage siphon pipe 224 is connected with the flocculation tank inlet 22; the PLC controller 10 is also connected to a drain siphon valve 222.
Specifically, the vacuum channel 9 includes a vacuum tube and a vacuum pump 93, the water inlet siphon flow path 211 and the water discharge siphon flow path 221 are respectively connected to the vacuum pump 93 through a first vacuum tube 91 and a second vacuum tube 92, the water inlet destructive valve 5 is disposed on the first vacuum tube 91, and the water discharge destructive valve 6 is disposed on the second vacuum tube 92.
After the scheme is adopted, the utility model discloses when using, the workman just can schedule the back flush environment in each valve on-off control filtering pond through the PLC controller as long as, makes the filtering pond realize the automatic back flush function of efficient, need not a large amount of costs of labor for the working process especially can carry out remote control system, lets the present case use prospect wider.
When the filter 1 needs to be flushed, the method can work through the following steps:
s1 the raw water inlet is closed completely: at the beginning, the intake siphon valve 212 is in a normally open state, and the discharge siphon valve 222 is in a normally closed state. The water inlet damage valve 5 is opened through the PLC 10 to damage the water inlet siphon of the water inlet siphon flow path 211, so that the raw water inlet 11 of the filter tank 1 can not enter water any more, the first radio frequency admittance switch 51 feeds back the water to the PLC 10 after detecting that the water inlet siphon damage is finished, and the PLC 10 controls the water inlet siphon valve 212 to be closed. The PLC controller 10 closes the water inlet damage valve 5 after receiving the signal, and in order to ensure that the water inlet damage valve 5 is completely closed, the first radio frequency admittance switch 51 detects the water inlet damage valve 5 to be completely closed again and feeds back the water inlet damage valve 5 to the PLC controller 10 again.
S2, clear water is discharged, and a filter tank water outlet is closed: then, the clean water valve 8 is closed to a fixed angle, and is not completely closed (the fixed angle is obtained through experiments), and the clean water valve 8 is controlled to slowly discharge water. When the ultrasonic liquid level sensor 15 detects that the water level of the filter tank 1 is reduced to a low water level, a full-off signal is fed back to the PLC controller 10, after the PLC controller 10 receives the full-off signal, the clean water valve 8 is fully closed, and after the clean water valve 8 is fully closed, the full-off signal is fed back that the PLC controller 10 is fully closed, so that water does not flow out of the filter tank 1 any more.
S3 backwash start: then, the PLC controller 10 opens the back-flush valve 7 to a fixed angle, which is not fully opened (the fixed angle is obtained by experiment), so that the water in the water tower 4 flows into the filter 1. When the ultrasonic liquid level sensor 15 detects that the water level of the filter 1 reaches a high water level, the water level is fed back to the PLC 10; the PLC 10 receives the full-open drain siphon valve 222, and after the drain siphon valve 222 is fully opened, the PLC 10 is sent a full-open signal, and when the second radio frequency admittance switch 61 detects that the drain siphon is formed, the PLC 10 fully opens the back-washing valve 7 to start back-washing.
And S4, finishing the backwashing: the back washing time is set according to the requirement, the PLC 10 closes the back washing valve 7 after the back washing is finished, and a full closing signal is sent to the PLC 10 after the back washing valve 7 is fully closed. Thereafter, the PLC controller opens the drain break valve 6 to break the drain siphon and closes the drain siphon valve at the same time. After detecting the drainage damage, the second rf admittance switch 61 feeds back a drainage damage signal to the PLC controller 10. After the PLC 10 receives the signal, the PLC 10 gives a water inlet siphon valve opening signal, the water inlet siphon valve is fed back to the PLC 10 after being fully opened, and when the first radio frequency admittance switch 51 detects that water inlet siphon is formed, the water inlet siphon valve is fed back to the PLC; and finally, the PLC 10 opens the clean water valve 8 to enable the system to return to a state before back washing and enter PID (proportion integration differentiation) balance water level control.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a filtering pond back flush automatic system which characterized in that: the system comprises a filter tank, a flocculation tank, a clean water tank, a water tower, a water inlet destruction valve, a water drainage destruction valve, a back flush valve, a clean water valve, a vacuum channel, a PLC (programmable logic controller) and a cloud server, wherein the filter tank comprises a raw water inlet, a filter tank water outlet, a back flush water inlet and a back flush water outlet;
a water inlet siphon flow path is formed between a raw water inlet of the filter tank and an outlet of the flocculation tank, and the water inlet breaking valve is arranged between the water inlet siphon flow path and the vacuum channel;
a drainage siphon flow path is formed between the backwashing water outlet of the filter tank and the inlet of the flocculation tank, and the drainage breaking valve is arranged between the drainage siphon flow path and the vacuum channel;
a back-flushing water inlet of the filter is arranged at the bottom of the filter and is connected with a water tower through the back-flushing valve;
a filter water outlet of the filter is arranged at the bottom of the filter and is connected with a clean water tank through the clean water valve;
the water inlet siphon flow path is provided with a first radio frequency admittance switch, the water discharge siphon flow path is provided with a second radio frequency admittance switch, and the PLC is respectively connected with the water inlet siphon valve, the water inlet breaking valve, the water discharge siphon valve, the water discharge breaking valve, the back flush valve, the clean water valve, the first radio frequency admittance switch and the second radio frequency admittance switch; the PLC is provided with a GPRS/4G mobile communication signal module and is connected with the cloud server through the GPRS/4G mobile communication signal module; the equipment connected with the cloud server comprises a computer client and a mobile phone client.
2. The automated filter backwash system according to claim 1, wherein: the inner wall of the filter tank is provided with an ultrasonic liquid level sensor which is connected with a PLC controller and used for detecting the water level of the filter tank.
3. The automated filter backwash system according to claim 1, wherein: the water inlet siphon flow path comprises a first water storage cavity, a water inlet siphon and a water inlet siphon valve, the first water storage cavity is arranged at the raw water inlet, the water inlet siphon valve is arranged between the first water storage cavity and the raw water inlet to control the on-off of the water inlet siphon flow path, and the water inlet damage valve is arranged in the first water storage cavity to control the formation or the damage of the siphon environment of the water inlet siphon flow path; one end of the water inlet siphon is connected with the first water storage cavity, and the other end of the water inlet siphon is connected with the outlet of the flocculation tank; the PLC is also connected with a water inlet siphon valve.
4. The automated filter backwash system according to claim 1, wherein: the drainage siphon flow path comprises a second water storage cavity, a drainage siphon pipe and a drainage siphon valve, the second water storage cavity is arranged at the drainage port of the filter tank, the drainage siphon valve is arranged between the drainage port of the filter tank and the second water storage cavity to control the on-off of the drainage siphon flow path, and the drainage damage valve is arranged in the second water storage cavity to control the formation or the damage of the siphon environment of the drainage siphon flow path; one end of the drainage siphon is connected with the second water storage cavity, and the other end of the drainage siphon is connected with the inlet of the flocculation tank; the PLC is also connected with a drainage siphon valve.
5. The automated filter backwash system according to claim 1, wherein: the vacuum channel comprises a vacuum tube and a vacuum pump, the water inlet siphon flow path and the water discharge siphon flow path are respectively connected with the vacuum pump through a first vacuum tube and a second vacuum tube, the water inlet destructive valve is arranged on the first vacuum tube, and the water discharge destructive valve is arranged on the second vacuum tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921551111.6U CN210559826U (en) | 2019-09-18 | 2019-09-18 | Automatic system for backwashing of filter tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921551111.6U CN210559826U (en) | 2019-09-18 | 2019-09-18 | Automatic system for backwashing of filter tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210559826U true CN210559826U (en) | 2020-05-19 |
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ID=70634916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921551111.6U Active CN210559826U (en) | 2019-09-18 | 2019-09-18 | Automatic system for backwashing of filter tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210559826U (en) |
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2019
- 2019-09-18 CN CN201921551111.6U patent/CN210559826U/en active Active
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