CN111003768A - EDR water purification system and waste water pipeline flushing method thereof - Google Patents

EDR water purification system and waste water pipeline flushing method thereof Download PDF

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Publication number
CN111003768A
CN111003768A CN201911424417.XA CN201911424417A CN111003768A CN 111003768 A CN111003768 A CN 111003768A CN 201911424417 A CN201911424417 A CN 201911424417A CN 111003768 A CN111003768 A CN 111003768A
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electromagnetic valve
way electromagnetic
water
edr
unit
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CN201911424417.XA
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Chinese (zh)
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陈小平
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Guangdong Lizi Technology Co Ltd
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Foshan Viomi Electrical Technology Co Ltd
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Priority to CN201911424417.XA priority Critical patent/CN111003768A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/469Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
    • C02F1/4693Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance of water treatment installations

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

During flushing, fresh water of an EDR unit is introduced into a concentrated water conveying pipeline, the concentrated water pipeline is flushed by the fresh water, and other pipelines for discharging the concentrated water and the fresh water generated by the EDR unit are closed. Two ends of the first two-way valve are respectively connected with a fresh water outlet and a fresh water conveying pipeline of the EDR unit, two ends of the second two-way valve are respectively connected with a fresh water outlet and a concentrated water conveying pipeline of the EDR unit, two ends of the third two-way valve are respectively connected with a concentrated water outlet and a concentrated water conveying pipeline of the EDR unit, and two ends of the fourth two-way valve are respectively connected with a concentrated water outlet and a fresh water conveying pipeline of the EDR unit. This EDR unit is under the working condition that washes, and dense water conveying pipeline can thoroughly close, only remains fresh water outflow, utilizes the high dissolving capacity of fresh water to the dirt and erodees the ability, realizes the maintenance to the waste water pipeline to reduce the risk of the long-term operation of system.

Description

EDR water purification system and waste water pipeline flushing method thereof
Technical Field
The invention relates to the technical field of water purifiers, in particular to an EDR water purification system and a waste water pipeline flushing method of the EDR water purification system.
Background
The water purifier has become one of the common household electrical appliances in the family. At present, most of common water purifiers are treated by a reverse osmosis technology, so that the water purification effect is realized. The functions of purification, drinking, water quality regulation and the like can be realized by the instant filtration and instant heating water purification equipment of an electrodialysis reversal technology (EDR). The waste water pipeline and the waste water plug of the electrodialysis water purification device are easy to scale and cause blockage, and need to be regularly washed, so that the service life of the system is prolonged. However, the structure of the cleaning water path for waste water management in the prior art is complex and is not easy to operate.
Therefore, it is necessary to provide a method for flushing a wastewater pipeline of an EDR water purification system and an EDR water purification system capable of cleaning the wastewater pipeline to overcome the deficiencies of the prior art.
Disclosure of Invention
One of the purposes of the invention is to provide a waste water pipeline flushing method of an EDR water purification system, which can be used for flushing waste water pipelines and has the characteristic of simple water pipeline structure, and the defects in the prior art are avoided.
The above object of the present invention is achieved by the following technical measures.
When the flushing is carried out, fresh water of an EDR unit is introduced into a concentrated water conveying pipeline, the concentrated water pipeline is flushed by the fresh water, and other pipelines for discharging the concentrated water and the fresh water generated by the EDR unit are closed.
Preferably, the output side of the EDR unit is provided with a first two-way solenoid valve, a second two-way solenoid valve, a third two-way solenoid valve and a fourth two-way solenoid valve, two ends of the first two-way valve are respectively connected with the fresh water outlet and the fresh water conveying pipeline of the EDR unit, two ends of the second two-way valve are respectively connected with the fresh water outlet and the concentrated water conveying pipeline of the EDR unit, two ends of the third two-way valve are respectively connected with the concentrated water outlet and the concentrated water conveying pipeline of the EDR unit, and two ends of the fourth two-way valve are respectively connected with the concentrated water outlet and the fresh water conveying pipeline of the EDR unit;
when the concentrated water pipeline is washed, the second two-way electromagnetic valve is opened, and the first two-way electromagnetic valve, the third two-way electromagnetic valve and the fourth two-way electromagnetic valve are all closed.
Preferably, when the water purification operation condition is met, the first two-way electromagnetic valve and the fourth two-way electromagnetic valve are opened, and the second two-way electromagnetic valve and the fourth two-way electromagnetic valve are closed;
and when the working condition of pole reversing is performed, the first two-way electromagnetic valve and the fourth two-way electromagnetic valve are closed, and the second two-way electromagnetic valve and the fourth two-way electromagnetic valve are opened.
According to the method for flushing the wastewater pipeline of the EDR water purification system, fresh water of an EDR unit is introduced into a concentrated water conveying pipeline, and the concentrated water pipeline is flushed by the fresh water. Can carry out waste pipe and wash, have the simple characteristics of waterway structure.
Another object of the present invention is to provide an EDR water purification system capable of performing a wastewater pipeline flushing operation, which has a simple water pipeline structure, while avoiding the disadvantages of the prior art.
The object of the invention is achieved by the following technical measures.
When the EDR water purification system is used for flushing, fresh water of an EDR unit is introduced into a concentrated water conveying pipeline, the concentrated water pipeline is flushed by the fresh water, and other pipelines for discharging the concentrated water and the fresh water generated by the EDR unit are closed.
Preferably, the EDR water purification system is provided with an EDR unit, a first two-way solenoid valve, a second two-way solenoid valve, a third two-way solenoid valve and a fourth two-way solenoid valve, two ends of the first two-way valve are respectively connected with a fresh water outlet of the EDR unit and a fresh water conveying pipeline, two ends of the second two-way valve are respectively connected with a fresh water outlet of the EDR unit and a concentrated water conveying pipeline, two ends of the third two-way valve are respectively connected with a concentrated water outlet of the EDR unit and a concentrated water conveying pipeline, and two ends of the fourth two-way valve are respectively connected with a concentrated water outlet of the EDR unit and a fresh water conveying pipeline;
when the water purification operation condition is met, the first two-way electromagnetic valve and the fourth two-way electromagnetic valve are opened, and the second two-way electromagnetic valve and the fourth two-way electromagnetic valve are closed;
when the working condition of pole reversing is adopted, the first two-way electromagnetic valve and the fourth two-way electromagnetic valve are closed, and the second two-way electromagnetic valve and the fourth two-way electromagnetic valve are opened;
when the concentrated water pipeline is washed, the second two-way electromagnetic valve is opened, and the first two-way electromagnetic valve, the third two-way electromagnetic valve and the fourth two-way electromagnetic valve are all closed.
Preferably, a check valve is arranged between the second two-way valve and a pipeline connected with the concentrated water conveying pipeline.
Preferably, a check valve is arranged between the fourth two-way valve and a pipeline connected with the concentrated water conveying pipeline.
Preferably, the system is also provided with a raw water tank, the concentrated water conveying pipeline is connected to the raw water tank body, and a fifth two-way electromagnetic valve is arranged between the concentrated water conveying pipeline and the tap water channel.
Preferably, the device is also provided with a waste water tank, a concentrated water conveying pipeline is connected with the waste water tank, and a waste water valve is arranged on a pipeline between the waste water tank and the concentrated water conveying pipeline.
Preferably, a pre-treatment unit is arranged between the EDR unit and the raw water tank, and raw water in the raw water tank is input to the concentrated water inlet and the fresh water inlet of the EDR unit through pure water treated by the pre-treatment unit.
Preferably, the pre-treatment unit is a PP wool, an RO membrane filtration unit or an activated carbon filtration unit.
Preferably, be provided with the self priming pump, the self priming pump sets up between former water tank and leading processing unit, with the water inlet of water pump income leading processing unit in the former water tank.
Preferably, a post-processing unit is further provided, the fresh water output by the EDR unit is processed by the post-processing unit and then discharged as pure water, and the post-processing unit is a post-carbon rod or ion exchange resin filtering unit.
Preferably, a flow regulating valve is further arranged, and the flow regulating valve is arranged on a pipeline between the post-processing unit and the pure water outlet of the system.
In the EDR water purification system, during flushing, fresh water of the EDR unit is introduced into a concentrated water conveying pipeline, the concentrated water pipeline is flushed by the fresh water, and other pipelines for discharging the concentrated water and the fresh water generated by the EDR unit are closed. The device is provided with an EDR unit, a first two-way electromagnetic valve, a second two-way electromagnetic valve, a third two-way electromagnetic valve and a fourth two-way electromagnetic valve, wherein two ends of the first two-way electromagnetic valve are respectively connected with a fresh water outlet of the EDR unit and a fresh water conveying pipeline, two ends of the second two-way electromagnetic valve are respectively connected with a fresh water outlet of the EDR unit and a concentrated water conveying pipeline, two ends of the third two-way electromagnetic valve are respectively connected with a concentrated water outlet of the EDR unit and a concentrated water conveying pipeline, and two ends of the fourth two-way electromagnetic valve are respectively connected with a concentrated water outlet of the EDR unit and a fresh water; when the water purification operation condition is met, the first two-way electromagnetic valve and the fourth two-way electromagnetic valve are opened, and the second two-way electromagnetic valve and the fourth two-way electromagnetic valve are closed; when the working condition of pole reversing is adopted, the first two-way electromagnetic valve and the fourth two-way electromagnetic valve are closed, and the second two-way electromagnetic valve and the fourth two-way electromagnetic valve are opened; when the concentrated water pipeline is washed, the second two-way electromagnetic valve is opened, and the first two-way electromagnetic valve, the third two-way electromagnetic valve and the fourth two-way electromagnetic valve are all closed. This EDR unit connects 4 two-way solenoid valves behind the E membrane stack, through the break-make combination of valve, realizes the water route distribution of different operating modes. Under the working condition of flushing, the concentrated water conveying pipeline can be thoroughly closed, only fresh water is kept to flow out, and the waste water pipeline is maintained by utilizing the high dissolving capacity and the scouring capacity of the fresh water to scale, so that the risk of long-term operation of the system is reduced.
Drawings
The invention is further illustrated by means of the attached drawings, the content of which is not in any way limiting.
Fig. 1 is a schematic structural view of an EDR water purification system of the present invention.
Detailed Description
The invention is further illustrated by the following examples.
Example 1.
During flushing, fresh water of an EDR unit is introduced into a concentrated water conveying pipeline, the concentrated water pipeline is flushed by the fresh water, and other pipelines for discharging the concentrated water and the fresh water generated by the EDR unit are closed.
The method can be performed by an EDR water purification system as shown in fig. 1, which is provided with a raw water tank, a waste water tank, a self-priming pump, a pre-treatment unit, an EDR unit, a first two-way solenoid valve, a second two-way solenoid valve, a third two-way solenoid valve, a fourth two-way solenoid valve, a post-treatment unit, and the like.
The raw water tank provides water source supply of the system, the concentrated water conveying pipeline is connected to the raw water tank body, and a fifth two-way electromagnetic valve is arranged between the concentrated water conveying pipeline and the tap water channel. The concentrated water conveying pipeline is connected with the waste water tank, and a waste water valve is arranged on a pipeline between the waste water tank and the concentrated water conveying pipeline.
A pre-treatment unit is arranged between the EDR unit and the raw water tank, and the raw water in the raw water tank is input to a concentrated water inlet and a fresh water inlet of the EDR unit through the pure water treated by the pre-treatment unit. The pre-treatment unit may be a PP wool, RO membrane filtration unit or activated carbon filtration unit.
In order to ensure water source conveying, the EDR water purification system is provided with a self-sucking pump, the self-sucking pump is arranged between the raw water tank and the pre-processing unit, and the raw water tank is pumped into a water inlet of the pre-processing unit.
The output end of the EDR unit is connected with four two-way electromagnetic valves. The two ends of the first two-way valve are respectively connected with a fresh water outlet and a fresh water conveying pipeline of the EDR unit, the two ends of the second two-way valve are respectively connected with a fresh water outlet and a concentrated water conveying pipeline of the EDR unit, the two ends of the third two-way valve are respectively connected with a concentrated water outlet and a concentrated water conveying pipeline of the EDR unit, and the two ends of the fourth two-way valve are respectively connected with a concentrated water outlet and a fresh water conveying pipeline of the EDR unit;
when the water purification operation condition is met, the first two-way electromagnetic valve and the fourth two-way electromagnetic valve are opened, and the second two-way electromagnetic valve and the fourth two-way electromagnetic valve are closed;
when the working condition of pole reversing is adopted, the first two-way electromagnetic valve and the fourth two-way electromagnetic valve are closed, and the second two-way electromagnetic valve and the fourth two-way electromagnetic valve are opened;
when the concentrated water pipeline is washed, the second two-way electromagnetic valve is opened, and the first two-way electromagnetic valve, the third two-way electromagnetic valve and the fourth two-way electromagnetic valve are all closed.
This EDR unit connects 4 two-way solenoid valves behind the E membrane stack, through the break-make combination of valve, realizes the water route distribution of different operating modes. Under the working condition of flushing, the concentrated water conveying pipeline can be thoroughly closed, only fresh water is kept to flow out, and the waste water pipeline is maintained by utilizing the high dissolving capacity and the scouring capacity of the fresh water to scale, so that the risk of long-term operation of the system is reduced.
In order to ensure the accuracy of the water path, a check valve is arranged between the pipelines connected with the second two-way valve and the concentrated water conveying pipeline, and a check valve is arranged between the pipelines connected with the fourth two-way valve and the concentrated water conveying pipeline.
In order to further ensure the quality of the output pure water, a post-processing unit is also arranged, the fresh water output by the EDR unit is processed by the post-processing unit and then is discharged as the pure water, and the post-processing unit is a post-carbon rod or an ion exchange resin filtering unit.
In addition, the EDR water purification system is also provided with a flow regulating valve, and the flow regulating valve is arranged on a pipeline between the post-processing unit and the system pure water outlet. The user can adjust the flow of the pure water according to the requirement.
According to the EDR water purification system, four two-way electromagnetic valves are arranged behind the membrane stack of the EDR unit, and waterway distribution under different working conditions is realized through on-off combination of the valves. Under the working condition of flushing, the concentrated water conveying pipeline can be thoroughly closed, only fresh water is kept to flow out, and the waste water pipeline is maintained by utilizing the high dissolving capacity and the scouring capacity of the fresh water to scale, so that the risk of long-term operation of the system is reduced.
It should be noted that the structure of the present embodiment includes a flow rate adjusting valve, a heater, and the like, and those skilled in the art can set other necessary components as needed, and is not limited to the scope of the present embodiment.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A waste water pipeline flushing method of an EDR water purification system is characterized by comprising the following steps: when the pipeline is flushed, fresh water of the EDR unit is introduced into the concentrated water conveying pipeline, the concentrated water pipeline is flushed by the fresh water, and other pipelines for discharging the concentrated water and the fresh water generated by the EDR unit are in a closed state.
2. The method of claim 1, wherein the method comprises the steps of: the output side of the EDR unit is provided with a first two-way electromagnetic valve, a second two-way electromagnetic valve, a third two-way electromagnetic valve and a fourth two-way electromagnetic valve, two ends of the first two-way valve are respectively connected with a fresh water outlet and a fresh water conveying pipeline of the EDR unit, two ends of the second two-way valve are respectively connected with a fresh water outlet and a concentrated water conveying pipeline of the EDR unit, two ends of the third two-way valve are respectively connected with a concentrated water outlet and a concentrated water conveying pipeline of the EDR unit, and two ends of the fourth two-way valve are respectively connected with a concentrated water outlet and a fresh water conveying pipeline of the EDR unit;
when the concentrated water pipeline is washed, the second two-way electromagnetic valve is opened, and the first two-way electromagnetic valve, the third two-way electromagnetic valve and the fourth two-way electromagnetic valve are all closed.
3. The method of claim 2, wherein the method comprises the steps of: when the water purification operation condition is met, the first two-way electromagnetic valve and the fourth two-way electromagnetic valve are opened, and the second two-way electromagnetic valve and the fourth two-way electromagnetic valve are closed;
and when the working condition of pole reversing is performed, the first two-way electromagnetic valve and the fourth two-way electromagnetic valve are closed, and the second two-way electromagnetic valve and the fourth two-way electromagnetic valve are opened.
4. The utility model provides an EDR water purification system which characterized in that: during flushing, fresh water of the EDR unit is introduced into the concentrated water conveying pipeline, the concentrated water pipeline is flushed by the fresh water, and other pipelines for discharging the concentrated water and the fresh water generated by the EDR unit are closed.
5. The EDR water purification system of claim 4, wherein: the device is provided with an EDR unit, a first two-way electromagnetic valve, a second two-way electromagnetic valve, a third two-way electromagnetic valve and a fourth two-way electromagnetic valve, wherein two ends of the first two-way electromagnetic valve are respectively connected with a fresh water outlet of the EDR unit and a fresh water conveying pipeline, two ends of the second two-way electromagnetic valve are respectively connected with a fresh water outlet of the EDR unit and a concentrated water conveying pipeline, two ends of the third two-way electromagnetic valve are respectively connected with a concentrated water outlet of the EDR unit and a concentrated water conveying pipeline, and two ends of the fourth two-way electromagnetic valve are respectively connected with a concentrated water outlet of the EDR unit and a fresh water;
when the water purification operation condition is met, the first two-way electromagnetic valve and the fourth two-way electromagnetic valve are opened, and the second two-way electromagnetic valve and the fourth two-way electromagnetic valve are closed;
when the working condition of pole reversing is adopted, the first two-way electromagnetic valve and the fourth two-way electromagnetic valve are closed, and the second two-way electromagnetic valve and the fourth two-way electromagnetic valve are opened;
when the concentrated water pipeline is washed, the second two-way electromagnetic valve is opened, and the first two-way electromagnetic valve, the third two-way electromagnetic valve and the fourth two-way electromagnetic valve are all closed.
6. The EDR water purification system of claim 5, wherein: a check valve is arranged between the pipelines connected with the second two-way valve and the concentrated water conveying pipeline, and a check valve is arranged between the pipelines connected with the fourth two-way valve and the concentrated water conveying pipeline.
7. The EDR water purification system according to claim 5, characterized in that: the device is also provided with a raw water tank, a concentrated water conveying pipeline is connected to the raw water tank body, and a fifth two-way electromagnetic valve is arranged between the concentrated water conveying pipeline and a tap water channel.
8. The EDR water purification system of claim 5, wherein: the device is also provided with a waste water tank, a concentrated water conveying pipeline is connected with the waste water tank, and a waste water valve is arranged on a pipeline between the waste water tank and the concentrated water conveying pipeline.
9. The EDR water purification system of claim 7, characterized in that: a pre-treatment unit is arranged between the EDR unit and the raw water tank, and raw water in the raw water tank is input to a concentrated water inlet and a fresh water inlet of the EDR unit through pure water treated by the pre-treatment unit; the pre-treatment unit is a PP cotton, RO membrane filtration unit or activated carbon filtration unit;
a self-sucking pump is arranged between the raw water tank and the pre-processing unit, and pumps water in the raw water tank into a water inlet of the pre-processing unit.
10. The EDR water purification system of claim 9, characterized in that: the device is also provided with a post-processing unit, fresh water output by the EDR unit is treated by the post-processing unit and then is discharged as pure water, and the post-processing unit is a post-carbon rod or an ion exchange resin filtering unit.
CN201911424417.XA 2019-12-31 2019-12-31 EDR water purification system and waste water pipeline flushing method thereof Pending CN111003768A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114163048A (en) * 2020-12-10 2022-03-11 佛山市美的清湖净水设备有限公司 Water purification system and TDS (total dissolved solids) quick switching method of water purification system
CN114162922A (en) * 2020-12-10 2022-03-11 佛山市美的清湖净水设备有限公司 Water purification unit's waterway system and water purification unit
CN114163034A (en) * 2021-05-21 2022-03-11 佛山市美的清湖净水设备有限公司 Waterway system of water making equipment and water making equipment
CN114163046A (en) * 2020-12-10 2022-03-11 佛山市美的清湖净水设备有限公司 Water purification system and TDS switching method thereof
CN114163029A (en) * 2020-12-10 2022-03-11 佛山市美的清湖净水设备有限公司 Water purifying equipment

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CN110590042A (en) * 2019-10-09 2019-12-20 佛山市云米电器科技有限公司 EDR electrodialysis water purification system and water purifier of thermal cycle sterilization
CN212151721U (en) * 2019-12-31 2020-12-15 佛山市云米电器科技有限公司 EDR water purification system

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US20140299551A1 (en) * 2011-11-28 2014-10-09 General Electric Company Desalination system and method
CN108217844A (en) * 2018-03-27 2018-06-29 蒋志远 A kind of water purification machine is positive and negative to rinse membranous system and control method
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Publication number Priority date Publication date Assignee Title
CN114163048A (en) * 2020-12-10 2022-03-11 佛山市美的清湖净水设备有限公司 Water purification system and TDS (total dissolved solids) quick switching method of water purification system
CN114162922A (en) * 2020-12-10 2022-03-11 佛山市美的清湖净水设备有限公司 Water purification unit's waterway system and water purification unit
CN114163046A (en) * 2020-12-10 2022-03-11 佛山市美的清湖净水设备有限公司 Water purification system and TDS switching method thereof
CN114163029A (en) * 2020-12-10 2022-03-11 佛山市美的清湖净水设备有限公司 Water purifying equipment
CN114163034A (en) * 2021-05-21 2022-03-11 佛山市美的清湖净水设备有限公司 Waterway system of water making equipment and water making equipment

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