CN105084465B - Reverse osmosis water purification system and wastewater discharge control method thereof - Google Patents
Reverse osmosis water purification system and wastewater discharge control method thereof Download PDFInfo
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- CN105084465B CN105084465B CN201510543461.8A CN201510543461A CN105084465B CN 105084465 B CN105084465 B CN 105084465B CN 201510543461 A CN201510543461 A CN 201510543461A CN 105084465 B CN105084465 B CN 105084465B
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- water
- reverse osmosis
- electromagnetic valve
- wastewater
- valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 218
- 239000002351 wastewater Substances 0.000 title claims abstract description 108
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000000746 purification Methods 0.000 title abstract description 5
- 239000002699 waste material Substances 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 239000008213 purified water Substances 0.000 claims description 42
- 238000001514 detection method Methods 0.000 claims description 8
- 238000001764 infiltration Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Abstract
The invention discloses a reverse osmosis water purification system, which comprises a filter, a wastewater discharge pipe and a controller, wherein a reverse osmosis membrane filter element is arranged in the filter, and the filter comprises a wastewater discharge port; the waste water discharge pipe is connected with the waste water discharge port, and a first water inlet electromagnetic valve and a waste water valve are arranged on the waste water discharge pipe; and in the water making state of the reverse osmosis water purification system, the controller controls the first water inlet electromagnetic valve to be opened intermittently. The invention also discloses a wastewater discharge control method of the reverse osmosis water purification system. The invention reduces the discharge of waste water and the waste of water resources.
Description
Technical field
The present invention relates to water purifier field, more particularly to reverse osmosis purified water system and its discharge of wastewater control method.
Background technology
At present, a wastewater discharge pipe generally is connected at the waste discharge mouth of a river of filter in reverse osmosis purified water system, to mistake
Waste water discharge in filter, is controlled there is provided wastewater valve to waste water discharge rate on the filter.Conventional reverse osmosis water purification system
In system in water processed, wastewater valve is constantly in the state of effluent, so as to cause waste water discharge rate larger, causes the wave of water resource
Take.
The content of the invention
It is a primary object of the present invention to provide a kind of reverse osmosis purified water system and its discharge of wastewater control method, it is intended to subtract
The discharge of few waste water, reduces the waste of water resource.
To achieve the above object, a kind of reverse osmosis purified water system provided by the invention, the reverse osmosis purified water system include
Filter, wastewater discharge pipe and controller, reverse osmosis membrane filter element is installed in the filter and the filter includes waste discharge
The mouth of a river；The wastewater discharge pipe is connected with the waste discharge mouth of a river, the wastewater discharge pipe be provided with the first entering water electromagnetic valve and
Wastewater valve；For the reverse osmosis purified water system under water state processed, the controller controls the first entering water electromagnetic valve interval to open
Open.
Preferably, the controller is specifically used for：When first entering water electromagnetic valve is closing the duration more than first
During preset time, first entering water electromagnetic valve is controlled to open；When first entering water electromagnetic valve is more than in the unlatching duration
During the second preset time, first entering water electromagnetic valve is controlled to close.
Preferably, first preset time is 1S~2S, and second preset time is 2S~5S.
Preferably, the reverse osmosis purified water system also includes drainpipe, and the drainpipe is connected with the waste discharge mouth of a river, and
The drainpipe is provided with the second entering water electromagnetic valve.
Preferably, the reverse osmosis purified water system also includes being used for the detection for detecting the concentration of total dissolved matter in water
Device, the concentration that the controller detects according to the detector adjust the aperture of the wastewater valve.
Preferably, the reverse osmosis purified water system also includes booster pump, and water inlet end and the running water pipe of the booster pump connect
Connect, filter described in water side connects.
In addition, to achieve the above object, the present invention also provides a kind of discharge of wastewater control method of reverse osmosis purified water system,
The reverse osmosis purified water system is above-mentioned reverse osmosis purified water system, the discharge of wastewater control method bag of the reverse osmosis purified water system
Include：
When reverse osmosis purified water system is under water state processed, the first entering water electromagnetic valve intermittently starting is controlled.
Preferably, the first entering water electromagnetic valve intermittently starting of the control includes：
When first entering water electromagnetic valve is being more than the first preset time at the closing duration, control first water inlet
Magnetic valve is opened；When first entering water electromagnetic valve is being more than the second preset time at the unlatching duration, control described first
Entering water electromagnetic valve is closed.
Preferably, first preset time is 1S~2S, and second preset time is 2S~5S.
Preferably, the discharge of wastewater control method of the reverse osmosis purified water system also includes：
Detect the concentration of total dissolved matter in water；
The aperture of the wastewater valve is adjusted according to the concentration of detection.
The embodiment of the present invention on wastewater discharge pipe by setting the first entering water electromagnetic valve and wastewater valve, and tapping mode
One entering water electromagnetic valve intermittently starting, so as to form pulsed discharge of wastewater.Relative to being continued in the prior art by wastewater valve
Waste water discharge is controlled, the embodiment of the present invention reduces the discharge of waste water, reduces the waste of water resource.In addition the first water inlet is passed through
The cooperation of magnetic valve and wastewater valve, under water state processed, when the first entering water electromagnetic valve is opened, it is normally carried out giving up by wastewater valve
Water discharges；When the first entering water electromagnetic valve is closed, system, which is in, stops waste discharge water state, so as to increase the hydraulic pressure of system,
Therefore pure water water flow is improved.
Brief description of the drawings
Fig. 1 is the system architecture structural representation of present invention infiltration water cleaning systems preferred embodiment；
Fig. 2 is the schematic flow sheet of the discharge of wastewater control method preferred embodiment of reverse osmosis purified water system of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Filter | 30 | Booster pump |
| 20 | Wastewater discharge pipe | 40 | Running water pipe |
| 21 | First entering water electromagnetic valve | 50 | Drainpipe |
| 22 | Wastewater valve | 51 | Second entering water electromagnetic valve |
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
A kind of reverse osmosis purified water system of present invention offer, reference picture 1, in one embodiment, the reverse osmosis purified water system bag
Include：Filter 10, wastewater discharge pipe 20 and controller, reverse osmosis membrane filter element and the filtering are installed in the filter 10
Device 10 includes the waste discharge mouth of a river；The wastewater discharge pipe 20 is connected with the waste discharge mouth of a river, and the wastewater discharge pipe is provided with first
Entering water electromagnetic valve 21 and wastewater valve 22；The reverse osmosis purified water system is under water state processed, controller control described the
The intermittently starting of one entering water electromagnetic valve 21.
In the embodiment of the present invention, above-mentioned first entering water electromagnetic valve 21 is used to control whether to be given up by wastewater discharge pipe 20
Water is discharged, when the first entering water electromagnetic valve 21 is opened, when wastewater discharge pipe 20 may be at hull-borne, in wastewater discharge pipe 20
Water can be discharged by the first entering water electromagnetic valve 21；When the first entering water electromagnetic valve 21 is closed, wastewater discharge pipe 20 stops row
Water.Above-mentioned wastewater valve 22 is used to be controlled the flow of draining, and when hydraulic pressure is bigger, displacement is bigger；When hydraulic pressure is smaller, row
Water is smaller.Position relationship between above-mentioned first entering water electromagnetic valve 21 and wastewater valve 22 can be set according to being actually needed
Put, in the present embodiment, it is preferable that above-mentioned first entering water electromagnetic valve 21 is located at the waste discharge mouth of a river and the wastewater valve 22 of above-mentioned filter 10
Between.When the first entering water electromagnetic valve 21 is opened, the waste water in filter 10 will enter wastewater discharge pipe 20 by the waste discharge mouth of a river
It is interior, then discharged after the first entering water electromagnetic valve 21 and wastewater valve 22.
Specifically, controller controls the intermittently starting of the first entering water electromagnetic valve 21 to refer to, controls the first entering water electromagnetic valve
After 21 open a period of time, the first entering water electromagnetic valve 21 of control is closed a period of time, and such constantly circulation is repeatedly.In control first
In the control process that entering water electromagnetic valve 21 opens and closes, due to controlling the intermittently starting of the first entering water electromagnetic valve 21, so as to be formed
Pulsed discharge of wastewater, reach the effect that reverse osmosis membrane filter element interval is rinsed, therefore effectively extend reverse osmosis membrane filter element
Service life.
The embodiment of the present invention on wastewater discharge pipe 20 by setting the first entering water electromagnetic valve 21 and wastewater valve 22, and interval
The intermittently starting of the first entering water electromagnetic valve 21 is controlled, so as to form pulsed discharge of wastewater.Relative in the prior art by useless
Water valve persistently controls waste water to discharge, and the embodiment of the present invention reduces the discharge of waste water, reduces the waste of water resource.In addition pass through
The cooperation of first entering water electromagnetic valve 21 and wastewater valve 22, under water state processed, when the first entering water electromagnetic valve 21 is opened, by useless
Water valve 22 is normally carried out discharge of wastewater；When the first entering water electromagnetic valve 21 is closed, system, which is in, stops waste discharge water state, so as to
To increase the hydraulic pressure of system, therefore improve pure water water flow.
Further, the control mode of the intermittently starting of the first entering water electromagnetic valve 21 is controlled to be set according to being actually needed
Put.In the present embodiment, it is preferable that controller noted above is specifically used for：When first entering water electromagnetic valve 21 is closing the duration
During more than the first preset time, first entering water electromagnetic valve 21 is controlled to open；When first entering water electromagnetic valve 21 is being opened
When duration is more than the second preset time, first entering water electromagnetic valve 21 is controlled to close.
In the present embodiment, the time span of above-mentioned first preset time and the second preset time can according to be actually needed into
Row is set, and does not do further limit herein, it is preferable that above-mentioned first preset time is less than the second preset time.It is such as above-mentioned
First preset time is 1S~2S, and above-mentioned second preset time is 2S~5S, and below using the first preset time as 2S, second is preset
Time is described in detail exemplified by being 3S.Specifically, in water processed, the first entering water electromagnetic valve 21 can be controlled to open first 3 seconds,
Then control the first entering water electromagnetic valve 21 to close 2 seconds, then continue to control the first entering water electromagnetic valve 21 to open 3 seconds, so constantly
Circulation, until water processed terminates.
Should illustrate, above-mentioned reverse osmosis purified water system also includes booster pump 30, the water inlet end of the booster pump 30 with
Running water pipe 40 connects, and filter 10 connects described in water side.In the present embodiment, above-mentioned booster pump 30 is mainly used for originally
Water in water pipe 40 is pressurized, and is filtered after increasing hydraulic pressure in filter 10 by reverse osmosis membrane filter element.
Further, above-mentioned reverse osmosis purified water system also includes drainpipe 50, the drainpipe 50 and the waste discharge mouth of a river
Connection, and the drainpipe 50 is provided with the second entering water electromagnetic valve 51.
In the present embodiment, above-mentioned second entering water electromagnetic valve 51 is used to control whether waste water is discharged by drainpipe 50.Due to
It is separately provided the entering water electromagnetic valve 51 of drainpipe 50 and second and without hindrance discharge is carried out to the waste water in filter 10, so as to convenient
Filter 10 is rinsed.Specifically, when carrying out the flushing of filter 10, the second entering water electromagnetic valve 51 of control is opened, so as to
Draining is directly carried out by drainpipe 50.
Further, based on above-described embodiment, in the present embodiment, above-mentioned reverse osmosis purified water system also includes being used to detect water
In total dissolved matter concentration detector, the concentration regulation wastewater valve that the controller detect according to the detector
22 aperture.
In the present embodiment, the concentration of total dissolved matter is TDS in above-mentioned water, can specifically be utilized of the prior art
Detector detects the size of the TDS values, then according to the aperture for the big minor adjustment wastewater valve 22 for detecting TDS values.When TDS values
Bigger, the aperture of wastewater valve is also bigger, specifically, can carry out grade classification, and the interval range according to belonging to TDS values determines useless
The aperture size of water valve 22.It should be noted that in the present embodiment, the aperture size of increase wastewater valve 22 refers to, in identical water
Increase the water flow of wastewater valve 22 in the case of pressure.Due to adding the concentration of total dissolved matter in detection water body, and root
The aperture of the wastewater valve 22 is adjusted according to the concentration of detection, so as to effectively control the discharge capacity of waste water according to water quality situation.
Further, referring to Figures 1 and 2, the present invention also provides a kind of discharge of wastewater controlling party of reverse osmosis purified water system
Method, the reverse osmosis purified water system be above-described embodiment in reverse osmosis purified water system, the waste water of the reverse osmosis purified water system
Discharge control method includes：
Step S10, when reverse osmosis purified water system is under water state processed, control the first entering water electromagnetic valve intermittently starting.
In the embodiment of the present invention, above-mentioned first entering water electromagnetic valve 21 is used to control whether to be given up by wastewater discharge pipe 20
Water is discharged, when the first entering water electromagnetic valve 21 is opened, when wastewater discharge pipe 20 may be at hull-borne, in wastewater discharge pipe 20
Water can be discharged by the first entering water electromagnetic valve 21；When the first entering water electromagnetic valve 21 is closed, wastewater discharge pipe 20 stops row
Water.Above-mentioned wastewater valve 22 is used to be controlled the flow of draining, and when hydraulic pressure is bigger, displacement is bigger；When hydraulic pressure is smaller, row
Water is smaller.Position relationship between above-mentioned first entering water electromagnetic valve 21 and wastewater valve 22 can be set according to being actually needed
Put, in the present embodiment, it is preferable that above-mentioned first entering water electromagnetic valve 21 is located at the waste discharge mouth of a river and the wastewater valve 22 of above-mentioned filter 10
Between.When the first entering water electromagnetic valve 21 is opened, the waste water in filter 10 will enter wastewater discharge pipe 20 by the waste discharge mouth of a river
It is interior, then discharged after the first entering water electromagnetic valve 21 and wastewater valve 22.
Specifically, controller controls the intermittently starting of the first entering water electromagnetic valve 21 to refer to, controls the first entering water electromagnetic valve
After 21 open a period of time, the first entering water electromagnetic valve 21 of control is closed a period of time, and such constantly circulation is repeatedly.In control first
In the control process that entering water electromagnetic valve 21 opens and closes, due to controlling the intermittently starting of the first entering water electromagnetic valve 21, so as to be formed
Pulsed discharge of wastewater, reach the effect that reverse osmosis membrane filter element interval is rinsed, therefore effectively extend reverse osmosis membrane filter element
Service life.
The embodiment of the present invention on wastewater discharge pipe 20 by setting the first entering water electromagnetic valve 21 and wastewater valve 22, and interval
The intermittently starting of the first entering water electromagnetic valve 21 is controlled, so as to form pulsed discharge of wastewater.Relative in the prior art by useless
Water valve persistently controls waste water to discharge, and the embodiment of the present invention reduces the discharge of waste water, reduces the waste of water resource.In addition pass through
The cooperation of first entering water electromagnetic valve 21 and wastewater valve 22, under water state processed, when the first entering water electromagnetic valve 21 is opened, by useless
Water valve 22 is normally carried out discharge of wastewater；When the first entering water electromagnetic valve 21 is closed, system, which is in, stops waste discharge water state, so as to
To increase the hydraulic pressure of system, therefore improve pure water water flow.
Further, the first entering water electromagnetic valve intermittently starting is controlled to include in above-mentioned steps S10：
When first entering water electromagnetic valve is being more than the first preset time at the closing duration, control first water inlet
Magnetic valve is opened；When first entering water electromagnetic valve is being more than the second preset time at the unlatching duration, control described first
Entering water electromagnetic valve is closed.
Further, the control mode of the intermittently starting of the first entering water electromagnetic valve 21 is controlled to be set according to being actually needed
Put.In the present embodiment, it is preferable that control the first entering water electromagnetic valve intermittently starting to include in above-mentioned steps S10：
When first entering water electromagnetic valve 21 is being more than the first preset time at the closing duration, control described first is entered
Water solenoid valve 21 is opened；When first entering water electromagnetic valve 21 is being more than the second preset time at the unlatching duration, institute is controlled
The first entering water electromagnetic valve 21 is stated to close.
In the present embodiment, the time span of above-mentioned first preset time and the second preset time can according to be actually needed into
Row is set, and does not do further limit herein, it is preferable that above-mentioned first preset time is less than the second preset time.It is such as above-mentioned
First preset time is 1S~2S, and above-mentioned second preset time is 2S~5S, and below using the first preset time as 2S, second is preset
Time is described in detail exemplified by being 3S.Specifically, in water processed, the first entering water electromagnetic valve 21 can be controlled to open first 3 seconds,
Then control the first entering water electromagnetic valve 21 to close 2 seconds, then continue to control the first entering water electromagnetic valve 21 to open 3 seconds, so constantly
Circulation, until water processed terminates.
Further, based on above-described embodiment, in the present embodiment, the discharge of wastewater controlling party of above-mentioned reverse osmosis purified water system
Method also includes：
Step S20, detect the concentration of total dissolved matter in water；
Step S30, the aperture of the wastewater valve is adjusted according to the concentration of detection.
In the present embodiment, the concentration of total dissolved matter is TDS in above-mentioned water, can specifically be utilized of the prior art
Detector detects the size of the TDS values, then according to the aperture for the big minor adjustment wastewater valve 22 for detecting TDS values.When TDS values
Bigger, the aperture of wastewater valve is also bigger, specifically, can carry out grade classification, and the interval range according to belonging to TDS values determines useless
The aperture size of water valve 22.It should be noted that in the present embodiment, the aperture size of increase wastewater valve 22 refers to, in identical water
Increase the water flow of wastewater valve 22 in the case of pressure.Due to adding the concentration of total dissolved matter in detection water body, and root
The aperture of the wastewater valve 22 is adjusted according to the concentration of detection, so as to effectively control the discharge capacity of waste water according to water quality situation.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (5)
- A kind of 1. reverse osmosis purified water system, it is characterised in that the reverse osmosis purified water system include filter, wastewater discharge pipe and Controller, reverse osmosis membrane filter element is installed in the filter and the filter includes the waste discharge mouth of a river；The wastewater discharge pipe It is connected with the waste discharge mouth of a river, the wastewater discharge pipe is provided with the first entering water electromagnetic valve and wastewater valve；The counter-infiltration is net For water system under water state processed, the controller controls the first entering water electromagnetic valve intermittently starting；Enter water power when described first Magnet valve controls first entering water electromagnetic valve to open when the closing duration being more than the first preset time；Enter when described first Water solenoid valve controls first entering water electromagnetic valve to close when the unlatching duration being more than the second preset time；Described first Preset time is 1S~2S, and second preset time is 2S~5S；The reverse osmosis purified water system also includes drainpipe, and the drainpipe is connected with the waste discharge mouth of a river, and the drainpipe It is provided with the second entering water electromagnetic valve；When being rinsed to the filter, second entering water electromagnetic valve is controlled to open.
- 2. reverse osmosis purified water system as claimed in claim 1, it is characterised in that the reverse osmosis purified water system also includes being used for The detector of the concentration of total dissolved matter in water is detected, the controller is according to the concentration regulation that the detector detects The aperture of wastewater valve.
- 3. reverse osmosis purified water system as claimed in claim 1 or 2, it is characterised in that the reverse osmosis purified water system also includes Booster pump, the water inlet end of the booster pump are connected with running water pipe, and water side is connected with the filter.
- 4. a kind of discharge of wastewater control method of reverse osmosis purified water system, it is characterised in that the reverse osmosis purified water system is power Profit requires the reverse osmosis purified water system described in 1, and the discharge of wastewater control method of the reverse osmosis purified water system includes：When reverse osmosis purified water system is under water state processed, the first entering water electromagnetic valve intermittently starting is controlled；When first entering water electromagnetic valve is being more than the first preset time at the closing duration, control the first water inlet electromagnetism Valve is opened；When first entering water electromagnetic valve is being more than the second preset time at the unlatching duration, control first water inlet Closed electromagnetic valve；First preset time is 1S~2S, and second preset time is 2S~5S.
- 5. the discharge of wastewater control method of reverse osmosis purified water system as claimed in claim 4, it is characterised in that the counter-infiltration The discharge of wastewater control method of water cleaning systems also includes：Detect the concentration of total dissolved matter in water；The aperture of the wastewater valve is adjusted according to the concentration of detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510543461.8A CN105084465B (en) | 2015-08-27 | 2015-08-27 | Reverse osmosis water purification system and wastewater discharge control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510543461.8A CN105084465B (en) | 2015-08-27 | 2015-08-27 | Reverse osmosis water purification system and wastewater discharge control method thereof |
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| Publication Number | Publication Date |
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| CN105084465A CN105084465A (en) | 2015-11-25 |
| CN105084465B true CN105084465B (en) | 2018-03-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105582734B (en) * | 2016-02-18 | 2019-03-08 | 佛山市顺德区美的饮水机制造有限公司 | Filter core and water purification system with filter core |
| CN108002460B (en) * | 2016-12-30 | 2023-07-28 | 佛山市美的清湖净水设备有限公司 | Water filtration system and control method thereof |
| CN107998889A (en) * | 2016-12-30 | 2018-05-08 | 佛山市美的清湖净水设备有限公司 | Water filtration system and control method thereof |
| CN109095560A (en) * | 2017-06-20 | 2018-12-28 | 佛山市顺德区美的饮水机制造有限公司 | Water purification system and its control method, computer readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3615918B2 (en) * | 1997-10-08 | 2005-02-02 | 三菱重工業株式会社 | Method and apparatus for cleaning reverse osmosis membrane module |
| CN2875574Y (en) * | 2006-02-17 | 2007-03-07 | 佳尼特(上海)纯水设备有限公司 | Intermittent drain water saving type reverse osmosis water purification device |
| CN201962135U (en) * | 2010-12-21 | 2011-09-07 | 宁波帅康净水设备有限公司 | Water saving reverse osmosis membrane water purifier |
| CN103964595B (en) * | 2013-02-04 | 2016-05-04 | 深圳安吉尔饮水产业集团有限公司 | A kind of water purifier and pulsed effluent device and control method |
| CN104857763A (en) * | 2015-05-28 | 2015-08-26 | 佛山市美的清湖净水设备有限公司 | Water purification unit and wastewater control system thereof |
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