CN213221240U - Automatic online cleaning filter device - Google Patents

Automatic online cleaning filter device Download PDF

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Publication number
CN213221240U
CN213221240U CN202021070851.0U CN202021070851U CN213221240U CN 213221240 U CN213221240 U CN 213221240U CN 202021070851 U CN202021070851 U CN 202021070851U CN 213221240 U CN213221240 U CN 213221240U
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filter
control valve
electromagnetic control
water
outlet
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CN202021070851.0U
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Chinese (zh)
Inventor
刘金海
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Dalian Dagu Mountain Sewage Treatment Co ltd
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Dalian Dagu Mountain Sewage Treatment Co ltd
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Abstract

An automatic on-line cleaning filter device belongs to the technical field of sewage treatment. The automatic online cleaning filter device comprises a filter, a water tank, a first medicament tank, a second medicament tank and a central control device. The automatic online cleaning filter device has the advantages of simple structure, easy installation and convenient operation, the device can realize the automatic online cleaning of the filter only by controlling the on and off of the electromagnetic control valve and the pump through the PLC controller without disassembling the filter, thereby reducing the human input and improving the working efficiency of the filter. Moreover, the sealing ring of the filter element does not need to be frequently replaced, the phenomenon that the filter element is deformed and cannot be used due to improper disassembly is avoided, and the cost is saved.

Description

Automatic online cleaning filter device
Technical Field
The utility model relates to an automatic online cleaning filter device, it belongs to sewage treatment technical field.
Background
In a reverse osmosis system of a sewage treatment plant, in order to prevent blockage and membrane pollution of a reverse osmosis membrane of a reverse osmosis device in operation, sewage generally enters a filter for filtration before entering the reverse osmosis device, and after the filter operates for a period of time, a filter element of the filter is blocked due to interception of impurities in the sewage. The filter element blockage treatment method of the filter is off-line cleaning currently, so that the labor cost is increased, the equipment operation efficiency is low, and the sealing ring of the filter element of the filter needs to be frequently replaced. In addition, improper disassembly can cause the filter element to deform and become unusable. Therefore, it is necessary to develop an automatic online filter cleaning device to reduce the labor input, avoid the need of frequently replacing the sealing ring of the filter element while the device is not disassembled, and avoid the economic loss caused by the deformation of the filter element due to improper disassembly.
Disclosure of Invention
For solving the problem that exists among the prior art, the utility model provides an automatic online cleaning filter device realizes the self-cleaning of filter core through belt cleaning device and central control device.
The utility model provides a technical scheme that prior art problem adopted: an automatic on-line cleaning filter device comprises a filter, wherein a water inlet electromagnetic control valve is arranged on a water inlet pipeline at the left upper part of the filter, a water outlet electromagnetic control valve is arranged on a water outlet pipeline at the right lower part of the filter, an emptying electromagnetic control valve is arranged on an emptying pipeline at the top, and an exhaust electromagnetic control valve is arranged on an exhaust pipeline at the bottom; the device also comprises a water tank, a first medicament tank, a second medicament tank and a central control device, wherein the top of the filter is provided with a top liquid level transmitter, the upper right part of the filter is provided with a water outlet pressure transmitter, the lower left part of the filter is provided with a water inlet pressure transmitter, the bottom of the filter is provided with a bottom liquid level transmitter, a total water outlet pipe of the water tank is connected with a first branch pipe and a second branch pipe through a water pump, the first branch pipe is connected with a backwashing water inlet pipeline through a first outlet electromagnetic control valve, the second branch pipe is connected with an inlet pipe section of a water inlet pipeline of the filter through a second outlet electromagnetic control valve and a forward washing water inlet electromagnetic control valve, the first medicament tank is connected with a backwashing water inlet pipeline through a first metering pump and a first medicament outlet electromagnetic control valve, the second medicament tank is connected with a backwashing water inlet pipeline through a second metering pump, the forward washing discharge pipe passes through the forward washing pipeWash drain solenoid electric valve (2 e)1) An outlet pipe section connected with the filter outlet pipe, a backwashing discharge pipe and a backwashing discharge electromagnetic control valve (2 f)1) An inlet pipe section connected with the filter water inlet pipeline;
the central control device comprises a PLC, eleven relays of an electromagnetic control valve, a relay of a water pump and relays of two metering pumps, wherein the top liquid level transmitter, the water outlet pressure transmitter, the water inlet pressure transmitter and the bottom liquid level transmitter are electrically connected with the PLC, and the PLC is respectively and electrically connected with the electromagnetic control valve, the water pump and the two metering pumps through the relays.
The filter adopts 316 stainless steel material, and first measuring pump and second measuring pump adopt acidproof alkali proof measuring pump.
The utility model has the advantages that: the automatic online cleaning filter device comprises a filter, a water tank, a first medicament tank, a second medicament tank and a central control device. The total water outlet pipe of the water tank is connected with a first branch pipe and a second branch pipe through a water pump, the first branch pipe is connected with a backwashing water inlet pipeline through a first outlet electromagnetic control valve, the second branch pipe is connected with an inlet pipe section of a filter water inlet pipeline through a second outlet electromagnetic control valve and a forward washing water inlet electromagnetic control valve, a first medicament tank is connected with a backwashing water inlet pipeline through a first metering pump and a first medicament outlet electromagnetic control valve, a second medicament tank is connected with a backwashing water inlet pipeline through a second metering pump and a second medicament outlet electromagnetic control valve, the backwashing water inlet pipeline is connected with an outlet pipe section of a filter water outlet pipeline through a backwashing electromagnetic control valve, a forward washing discharge pipe is connected with an outlet pipe section of the filter water outlet pipeline through a forward washing discharge electromagnetic control valve, and the backwashing discharge pipe is connected with. The automatic online cleaning filter device has the advantages of simple structure, easy installation and convenient operation, the device can realize the automatic online cleaning of the filter only by controlling the on and off of the electromagnetic control valve and the pump through the PLC controller without disassembling the filter, thereby reducing the human input and improving the working efficiency of the filter. Moreover, the sealing ring of the filter element does not need to be frequently replaced, the phenomenon that the filter element is deformed and cannot be used due to improper disassembly is avoided, and the cost is saved.
Drawings
FIG. 1 is a system diagram of an automatic in-line cleaning filter apparatus.
Fig. 2 is a piping connection diagram of an apparatus for automatically cleaning a filter on-line.
In the figure: 1. filter, 1a, inlet pipe section, 1a1Water inlet electromagnetic control valve 1b, outlet pipe section 1b1The water-discharging electromagnetic control valve, the emptying electromagnetic control valve, the discharging electromagnetic control valve, the top liquid level transmitter, the top water pressure transmitter, the bottom liquid level transmitter, the water tank, the water pump, the first branch pipe and the water tank, wherein the water pump is arranged on the top of the water tank, the water pump is arranged on the bottom of the water tank, the water pump1A first outlet solenoid-operated valve, 2c, a second branch pipe, 2c1A second outlet solenoid-operated valve, 2c2A positive washing water inlet electromagnetic control valve, 2d, a backwashing water inlet pipe and 2d1A backwashing water inlet electromagnetic control valve, 2e, a forward washing discharge pipe, 2e1A forward washing discharge electromagnetic control valve, 2f, a back washing discharge pipe, 2f1The system comprises a backwashing discharge electromagnetic control valve, a 3, a first medicament tank, a 3a, a first metering pump, a 3b, a first medicament outlet electromagnetic control valve, a 4, a second medicament tank, a 4a, a second metering pump, a 4b, a second medicament outlet electromagnetic control valve, a 5, a central control device, a 5a, a first relay, a 5b, a second relay, a 5c, a third relay, a 5d, a fourth relay, a 5e, a fifth relay, a 5f, a sixth relay, a 5g, a seventh relay, a 5h, an eighth relay, a 5i, a ninth relay, a 5j, a tenth relay, a 5k, an eleventh relay, a 5m, a twelfth relay, a 5n, a thirteenth relay, a 5p, a fourteenth relay, a 6 and a PLC controller.
Detailed Description
The present invention is described below with reference to the accompanying drawings and the embodiments:
fig. 1 and 2 show a block diagram of an apparatus for automatically cleaning a filter on-line. In the figure, the automatic on-line cleaning filter device comprises a filter 1, a water tank 2, a first medicament tank 3, a second medicament tank 4 and a central control device 5, wherein a water inlet pipe at the upper left part of the filter 1A water inlet electromagnetic control valve 1a is arranged on the way1The water outlet pipeline at the lower right part is provided with a water outlet electromagnetic control valve 1b1The top emptying pipe is provided with an emptying electromagnetic control valve 1c, the bottom emptying pipe is provided with an emptying electromagnetic control valve 1d, the top of the filter 1 is provided with a top liquid level transmitter 1e, the upper right part is provided with a water outlet pressure transmitter 1f, the lower left part is provided with a water inlet pressure transmitter 1g, the bottom is provided with a bottom liquid level transmitter 1h, a total water outlet pipe of the water tank 2 is connected with a first branch pipe 2b and a second branch pipe 2c through a water pump 2a, and the first branch pipe 2b is connected with a first outlet electromagnetic control valve 2b1Is connected with a backwashing water inlet pipeline 2d, and the second branch pipe 2c passes through a second outlet electromagnetic control valve 2c1And a positive washing water inlet solenoid-operated valve 2c2An inlet pipe section 1a of a water inlet pipeline of the filter 1 is connected, a first medicament tank 3 is connected with a backwashing water inlet pipeline 2d through a first metering pump 3a and a first medicament outlet electromagnetic control valve 3b, a second medicament tank 4 is connected with a backwashing water inlet pipeline 2d through a second metering pump 4a and a second medicament outlet electromagnetic control valve 4b, and the backwashing water inlet pipeline 2d is connected with a backwashing water inlet electromagnetic control valve 2d1An outlet pipe section 1b connected with the water outlet pipeline of the filter 1, a forward washing discharge pipe 2e passes through a forward washing discharge electromagnetic control valve 2e1An outlet pipe section 1b connected with the water outlet pipeline of the filter 1, a backwashing discharge pipe 2f and a solenoid control valve 2f through backwashing1An inlet pipe section 1a of the water inlet pipeline of the filter 1 is connected.
A first relay 5a, a second relay 5b, a third relay 5c, a fourth relay 5d, a fifth relay 5e, a sixth relay 5f, a seventh relay 5g, an eighth relay 5h, a ninth relay 5i, a tenth relay 5j, an eleventh relay 5k, a twelfth relay 5m, a thirteenth relay 5n, and a fourteenth relay 5p are provided in the central control device 5. The water outlet pressure transmitter 1f, the top liquid level transmitter 1e, the bottom liquid level transmitter 1h and the water inlet pressure transmitter 1g are electrically connected with the PLC controller 6; the emptying electromagnetic control valve 1c is electrically connected with a first relay 5a and a positive washing water inlet electromagnetic control valve 2c2Electrically connected to the second relay 5b, the backwash discharge solenoid control valve 2f1Electrically connected with the third relay 5c and the water inlet electromagnetic control valve 1a1Electrically connected to the fourth relay 5d, and discharged through the forward washingSolenoid-operated valve 2e1Electrically connected with a fifth relay 5e and a water outlet electromagnetic control valve 1b1Electrically connected with a sixth relay 5f and a backwashing water inlet electromagnetic control valve 2d1Electrically connected to the seventh relay 5g, the second outlet solenoid-operated valve 2c1Electrically connected to the eighth relay 5h, the first outlet solenoid-operated valve 2b1The ninth relay 5i is electrically connected, the tenth relay 5j is electrically connected to the water pump 2a, the eleventh relay 5k is electrically connected to the first chemical outlet electromagnetic control valve 3b, the twelfth relay 5m is electrically connected to the first metering pump 3a, the thirteenth relay 5n is electrically connected to the second chemical outlet electromagnetic control valve 4b, and the fourteenth relay 5p is electrically connected to the second metering pump 4 a.
The electromagnetic control valves in the automatic online cleaning filter device adopt electric execution electromagnetic control valves. The filter 1 is made of 316 materials, the first metering pump 3a and the second metering pump 4a are both made of acid-resistant alkali-resistant metering pumps, and the backwashing water inlet electromagnetic control valve 2d1And a normal-wash drain solenoid-operated valve 2e1Is connected with a water outlet electromagnetic control valve 1b1The outlet pipe section 1b of the front end. Electromagnetic control valve 2c for positive washing water inlet2And backwash discharge solenoid control valve 2f1The connection is positioned at the water inlet electromagnetic control valve 1a1The inlet pipe section 1a at the rear end. The top liquid level transmitter 1e, the water outlet pressure transmitter 1f, the water inlet pressure transmitter 1g and the bottom liquid level transmitter 1h are all connected to a central control device 5 through data transmission lines, and the central control device 5 transmits instructions to corresponding electromagnetic control valves and pumps through a first relay 5a, a second relay 5b, a third relay 5c, a fourth relay 5d, a fifth relay 5e, a sixth relay 5f, a seventh relay 5g, an eighth relay 5h, a ninth relay 5i, a tenth relay 5j, an eleventh relay 5k, a twelfth relay 5m, a thirteenth relay 5n, a fourteenth relay 5p, a fifteenth relay 5q, a sixteenth relay 5r, a seventeenth relay 5s and an eighteenth relay 5 t.
The working principle of the automatic online cleaning filter device is as follows: when the PLC controller 6 receives that the pressure difference between the bottom liquid level transmitter 1h and the top liquid level transmitter 1e is 0.1Mpa (the pressure of the bottom liquid level transmitter 1h is more than or equal to the pressure of the top liquid level transmitter 1e of the filter during working), the automatic online cleaning filter device is ready to work, and the PLC controller 6 is divided into five stages during working.
In the first stage (drain backwash stage), the PLC controller 6 issues an instruction: closing the inlet solenoid control valve 1a1And a water outlet solenoid electric valve 1b1When water is fed into the electromagnetic control valve 1a1And a water outlet solenoid electric valve 1b1After the filter is closed in place, the emptying electromagnetic control valve 1c and the discharge electromagnetic control valve 1d of the filter are opened, when the water in the filter 1 is discharged to the position of the bottom liquid level transmitter 1h, the bottom liquid level transmitter 1h sends a signal to the PLC controller 6, at the moment, the PLC controller 6 closes the emptying electromagnetic control valve 1c and the discharge electromagnetic control valve 1d of the filter, and opens the backwashing water inlet electromagnetic control valve 2d1First outlet solenoid-operated valve 2b1And backwash discharge solenoid control valve 2f1. The PLC 6 sends out an instruction to start the water pump 2a, the water pump 2a stops running after the water pump 2a runs for 15 minutes, and the backwashing water inlet electromagnetic control valve 2d is closed in sequence1First outlet solenoid-operated valve 2b1And backwash discharge solenoid control valve 2f1And opening an emptying electromagnetic control valve 1c and a discharging electromagnetic control valve 1d of the filter, and when the water in the filter is discharged to the position of a bottom liquid level transmitter 1h, sending a signal to a central control device 5 by the bottom liquid level transmitter 1h to carry out a first medicament cleaning stage.
In the second stage (first chemical cleaning stage), the PLC controller 6 issues an instruction: opening the backwashing water inlet electromagnetic control valve 2d1And a first agent outlet electromagnetic control valve 3b, starting the first metering pump 3a, when the liquid level in the filter is discharged to a top liquid level transmitter 1e of the filter, the top liquid level transmitter 1e sends a signal to the central control device 5, the PLC 6 stops the first metering pump 3a, and closes the backwashing water inlet electromagnetic control valve 2d1And a first chemical outlet solenoid control valve 3b for allowing the first chemical to soak in the filter for 20 minutes.
In the third stage (the draining and washing stage), after the first chemical is soaked in the filter for 20 minutes, the PLC controller 6 gives an instruction: opening the normal-washing discharge solenoid-operated valve 2e1And a positive washing water inlet solenoid-operated valve 2c2Opening the second outlet electromagnetic control valve 2c1Starting the water pump 2a, stopping the operation of the water pump 2a after operating for 15 minutes, and closing the second outlet electromagnetic control valve 2c in sequence1Direct-washing discharge electromagnetic control valve 2e1And a positive washing water inlet solenoid-operated valve 2c2And entering the fourth stage operation.
In the fourth stage (second chemical cleaning stage), the PLC controller 6 issues an instruction: opening the backwashing water inlet electromagnetic control valve 2d1And a second agent outlet electromagnetic control valve 4b, starting the second metering pump 4a, when the internal liquid level of the filter is discharged to a top liquid level transmitter 1e of the filter, sending a signal to the central control device 5 by the top liquid level transmitter 1e, stopping the second metering pump 4a, and sequentially closing the second agent outlet electromagnetic control valve 4b and the backwashing water inlet electromagnetic control valve 2d1The drug 2 was soaked in the filter for 180 minutes. After 180 minutes, the fifth stage operation was entered.
And a fifth stage (a drainage forward washing stage), wherein the operation of the third stage is repeated, after the third stage is finished, the filter element of the filter 1 is automatically cleaned, the next operation is waited for, and when the pressure difference between the bottom liquid level transmitter 1h and the top liquid level transmitter 1e is 0.1Mpa (the pressure of the bottom liquid level transmitter 1h is more than or equal to that of the top liquid level transmitter 1e of the filter in the operation) in the next operation, the automatic device for cleaning the filter is cleaned again.

Claims (2)

1. An automatic on-line cleaning filter device comprises a filter (1), wherein a water inlet electromagnetic control valve (1 a) is arranged on a water inlet pipeline at the upper left part of the filter (1)1) The water outlet pipeline at the lower right part is provided with a water outlet electromagnetic control valve (1 b)1) The top is provided with an emptying electromagnetic control valve (1 c) on the emptying pipeline, and the bottom is provided with an exhaust electromagnetic control valve (1 d) on the exhaust pipeline, which is characterized in that: it still includes water tank (2), first medicament jar (3), second medicament jar (4) and central control unit (5), the top of filter (1) sets up top liquid level transmitter (1 e), and upper right portion sets up out water pressure transmitter (1 f), and the lower left portion sets up into water pressure transmitter(1g) The bottom of the water tank is provided with a bottom liquid level transmitter (1 h), a total water outlet pipe of the water tank (2) is connected with a first branch pipe (2 b) and a second branch pipe (2 c) through a water pump (2 a), and the first branch pipe (2 b) is connected with a first outlet electromagnetic control valve (2 b)1) Is connected with a backwashing water inlet pipeline (2 d), and the second branch pipe (2 c) passes through a second outlet electromagnetic control valve (2 c)1) And a positive washing water inlet electromagnetic control valve (2 c)2) Connect filter (1) inlet channel's import pipeline section (1 a), backwash inlet channel (2 d) are connected through first measuring pump (3 a) and first medicament export solenoid electric valve (3 b) in first medicament jar (3), backwash inlet channel (2 d) are connected through second measuring pump (4 a) and second medicament export solenoid electric valve (4 b) in second medicament jar (4), backwash inlet channel (2 d) are through backwash inlet solenoid electric valve (2 d)1) An outlet pipe section (1 b) connected with the water outlet pipeline of the filter (1), and a forward washing discharge pipe (2 e) passes through a forward washing discharge electromagnetic control valve (2 e)1) An outlet pipe section (1 b) connected with the water outlet pipeline of the filter (1), and a backwashing discharge pipe (2 f) discharges an electromagnetic control valve (2 f) through backwashing1) An inlet pipe section (1 a) connected with a water inlet pipeline of the filter (1);
the central control device (5) comprises a PLC (programmable logic controller), eleven relays of an electromagnetic control valve, a relay of a water pump (2 a) and relays of two metering pumps, a top liquid level transmitter (1 e), a water outlet pressure transmitter (1 f), a water inlet pressure transmitter (1 g) and a bottom liquid level transmitter (1 h) are electrically connected with the PLC (6), and the PLC (6) is respectively electrically connected with the electromagnetic control valve, the water pump (2 a) and the two metering pumps through the relays.
2. An automatic on-line cleaning filter device as claimed in claim 1, wherein said filter (1) is made of 316 stainless steel material, and said first metering pump (3 a) and said second metering pump (4 a) are made of acid-proof and alkali-proof metering pumps.
CN202021070851.0U 2020-06-11 2020-06-11 Automatic online cleaning filter device Active CN213221240U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021070851.0U CN213221240U (en) 2020-06-11 2020-06-11 Automatic online cleaning filter device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021070851.0U CN213221240U (en) 2020-06-11 2020-06-11 Automatic online cleaning filter device

Publications (1)

Publication Number Publication Date
CN213221240U true CN213221240U (en) 2021-05-18

Family

ID=75884466

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021070851.0U Active CN213221240U (en) 2020-06-11 2020-06-11 Automatic online cleaning filter device

Country Status (1)

Country Link
CN (1) CN213221240U (en)

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