CN104944524B - Aspect ratio adjusting method is discharged in reverse osmosis water purifying plant and its waste water - Google Patents
Aspect ratio adjusting method is discharged in reverse osmosis water purifying plant and its waste water Download PDFInfo
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- CN104944524B CN104944524B CN201410728997.2A CN201410728997A CN104944524B CN 104944524 B CN104944524 B CN 104944524B CN 201410728997 A CN201410728997 A CN 201410728997A CN 104944524 B CN104944524 B CN 104944524B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 350
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 119
- 239000002351 wastewater Substances 0.000 title claims abstract description 61
- 239000002699 waste material Substances 0.000 claims abstract description 65
- 238000000746 purification Methods 0.000 claims abstract description 29
- 238000007781 pre-processing Methods 0.000 claims description 15
- 230000001360 synchronised Effects 0.000 claims description 14
- 230000000875 corresponding Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 2
- 230000004907 flux Effects 0.000 claims 1
- 238000011084 recovery Methods 0.000 description 41
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 239000008213 purified water Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 235000012206 bottled water Nutrition 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010908 plant waste Substances 0.000 description 2
- 229910004682 ON-OFF Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
Abstract
This disclosure relates to which aspect ratio adjusting method is discharged in a kind of reverse osmosis water purifying plant and its waste water.Purifier includes reverse osmosis filter core waste line and ratio control assembly；The reverse osmosis filter core has raw water inlet, water purification water outlet and wastewater effluent mouth；The waste line connection is on the reverse osmosis filter core wastewater effluent mouth, and the ratio control assembly is installed on the waste line, and the ratio control assembly can control the waste line and be adjusted between at least two discharge ratios.
Description
Technical field
This disclosure relates to which ratio is discharged in clean water treatment technical field more particularly to a kind of reverse osmosis water purifying plant and its waste water
Adjusting method.
Background technology
In recent years, water purification product was increasingly paid close attention to by consumer as health-oriented products, and water purification industry also exists therewith
Develop at high speed.Reverse osmosis water purifier is the mainstream of domestic household water-purifying machine, in order to ensure the service life of reverse osmosis filter core,
During use, it is necessary to ceaselessly reverse osmosis filter core film surface is rinsed, reduces the salinity of reverse osmosis filter core film surface,
It is blocked caused by slowing down film surface fouling, that is, must assure that a certain proportion of condensed water (also referred to as waste water) discharge.The rate of recovery is general
Refer to purified pure water, accounts for the ratio of non-purified raw water amount.The amount phase of the wastewater flow rate of discharge and purified pure water
Add generally equivalent to non-purified raw water amount.Under the premise of ensureing the service life of reverse osmosis filter core, the raw water rate of recovery is improved, to the greatest extent
The discharge that amount reduces condensed water is the common objective of industry.
Inventor has found that the relevant technologies at least have following defect during realizing the disclosure：With fixed ratio
Device cures the rate of recovery of all regions, the area good to water quality, and the rate of recovery can be in relatively high range without influencing filter core
Service life, since the fixed rate of recovery is excessive, wastewater flow is excessive and causes water resource waste.And to the very poor area of water quality,
The fixed rate of recovery may be higher, keeps waste water flow velocity excessively slow, and reverse osmosis filter core can block in advance, can shorten reverse osmosis filter core and use
Service life causes excessively high to change core expense.
Invention content
Do not have the technical issues of according to the water quality survey rate of recovery to solve purifier in the related technology, the disclosure provides
Aspect ratio adjusting method is discharged in a kind of reverse osmosis water purifying plant and its waste water.The technical solution is as follows：
According to the first aspect of the embodiments of the present disclosure, a kind of reverse osmosis water purifying plant, including reverse osmosis filter core, waste water are provided
Pipeline and ratio control assembly；
The reverse osmosis filter core has raw water inlet, water purification water outlet and wastewater effluent mouth；
On the reverse osmosis filter core wastewater effluent mouth, the ratio control assembly is installed on institute for the waste line connection
It states on waste line, the ratio control assembly can control the waste line and be adjusted between at least two discharge ratios.
Optionally, also there is a water quality sensor, the water quality sensor to be installed on the reverse osmosis filter core raw water water inlet
On pipeline before mouthful, for acquiring raw water quality.
Optionally, further include a controller, the controller respectively with the water quality sensor and the ratio control group
Part connects；The raw water quality that the controller is detected according to the water quality sensor is controlled the ratio control assembly, is adjusted with this
Save the waste water discharge ratio of the waste line.
Optionally, the ratio control assembly includes a synchronous adjustment valve, and the synchronous adjustment valve is installed on the waste water
On pipeline.
Optionally, the ratio control assembly includes at least two adjusting water routes, at least a control valve and at least two ratios
Example device；Each adjusting water route is in parallel, and each adjusting water route front end is connected in the waste line water inlet end, each adjusting
Water route rear end is connected in the waste line discharge ends；The proportioner correspondence is serially connected with the adjusting water route, the control valve
It is installed at least one adjusting water route；Being turned on and off for the adjusting water route residing for it is controlled with the control valve, is controlled with this
Ratio is discharged in the waste water of the waste line.
Optionally, it is stored in the controller：
At least two water quality subregions divided in advance, and
The switch control correspondence of pre-set each water quality subregion and the control valve being serially connected in adjusting water route.
Optionally, the reverse osmosis water purifying plant further includes main line, entering water electromagnetic valve, preposition preprocessing filter element, supercharging
Pump, water pipeline and postpositive disposal filter core；
The main line is connected to the raw water inlet of the reverse osmosis filter core；In raw water water inlet end to the reverse osmosis filter
Core, the main line have been sequentially connected in series entering water electromagnetic valve, preposition preprocessing filter element and booster pump；
The water pipeline is picked out by the water purification water outlet of the reverse osmosis filter core, and postposition is serially connected on the water pipeline
Handle filter core；
Raw water enters the preposition processing filter element filtering through the main line, and the booster pump send raw water supercharging to described
Reverse osmosis filter core, the pure water of the reverse osmosis filter core exudation set processing filter core processing through water pipeline in the rear, defeated later
The water purification that goes out that treated is for using；The waste water of the reverse osmosis filter core wastewater effluent mouth discharge, into the waste line with
Discharge, the ratio control assembly can control the waste line and be adjusted between two or more discharge ratios.
Optionally, each waste water discharge ratio for adjusting proportioner on water route is identical；
Or
Each waste water discharge ratio for adjusting proportioner on water route is different.
According to the second aspect of the embodiment of the present disclosure, a kind of reverse osmosis water purifying plant waste water discharge proportion adjustment side is provided
Method,
It is realized based on reverse osmosis water purifying plant above-mentioned,
Acquire raw water quality in the pipeline before reverse osmosis filter core raw water inlet；
According to the raw water quality, control is connected to the ratio control assembly on the wastewater effluent mouth of reverse osmosis filter core extremely
It is adjusted between few two discharge ratios.
Optionally, based on the reverse osmosis water purifying plant of aforementioned embodiment a kind of realize, it is described according to the raw water quality,
It controls the ratio control assembly being connected on the wastewater effluent mouth of reverse osmosis filter core to adjust between at least two discharge ratios, wrap
It includes：
According to the raw water quality, control is set to the synchronous adjustment valve in the ratio control assembly to adjust waste pipe
The discharge ratio on road..
Optionally, the reverse osmosis water purifying plant based on aforementioned another embodiment realizes, described according to the raw water quality,
It controls the ratio control assembly being connected on the wastewater effluent mouth of reverse osmosis filter core to adjust between at least two discharge ratios, wrap
It includes：
Judge that the raw water quality belongs at least two water quality subregions divided in advance；
Water quality subregion and pre-set each water quality subregion belonging to the raw water quality and it is serially connected with tune
The switch of control valve in water-saving road controls correspondence, controls the control valve and is turned on and off, to adjust waste line
Discharge ratio.
The technical scheme provided by this disclosed embodiment can include the following benefits：
A ratio control assembly is provided to be installed on waste line, ratio control assembly can control waste line two with
It is adjusted between upper discharge ratio.The rate of recovery of purifier passes through the ratio control assembly control that multistage can be adjusted.It solves existing
Purifier does not have the technical issues of according to the water quality survey rate of recovery in the related technology.
In addition, according to the water original water quality situation of user locality, the rate of recovery of purifier is adjusted, is matched to reverse osmosis filter core
Best condensed water ratio maximumlly improves the rate of recovery, can save water source under the premise of ensureing filter core service life.
Water quality is preferably regional, and the automatic rate of recovery that improves is to save water source；And the area poor in water quality, the automatic rate of recovery that reduces is to protect
Demonstrate,prove the service life of reverse osmosis filter core.Intelligent product, reliability further improve.
In addition, the disclosure can increase and decrease in condensed water ratio control assembly as needed concatenated condensed water proportioner and
Solenoid valve increases dynamics water quality, and the synchronous condensed water proportional control solenoid valve that increases is, it can be achieved that rate of recovery more precise control.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited
It is open.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and consistent with the instructions for explaining the principles of this disclosure.
Fig. 1 its be a kind of reverse osmosis water purifying plant pipeline and equipment arrangement signal shown according to an exemplary embodiment
Figure.
Fig. 2A its be a kind of reverse osmosis water purifying plant shown according to another exemplary embodiment pipeline and equipment arrangement
Schematic diagram.
Fig. 2 B its be a kind of reverse osmosis water purifying plant shown according to another exemplary embodiment pipeline and equipment arrangement
Schematic diagram.
Fig. 3 its be according to the pipeline of a kind of reverse osmosis water purifying plant shown in another exemplary embodiment again and equipment arrangement
Schematic diagram.
Fig. 4 its be a kind of a kind of module diagram shown according to exemplary embodiment of waste water controller.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
" reverse osmosis water purifying plant " said in text include：
Small-sized purifier, including portable water purification equipment, Household water purification equipment etc..
Medium-sized purifier, including group's water purifier.
Large purification equipment, including purifier that equipment volume is larger.
Commercial purifier, including bottled water purifier, bottled water purifier, quality classification water supply purifier etc..
Industrial purifier, including food processing purifier, power plant's purifier etc..
It is specific shown in Figure 1, it is a kind of reverse osmosis water purifying plant pipeline shown according to an exemplary embodiment
And equipment arrangement schematic diagram.As shown in Figure 1, this purifier embodiment mainly include main line 110, preposition processing filter core 101,
Entering water electromagnetic valve 102, booster pump 103, reverse osmosis filter core 104, postpositive disposal filter core 105, proportioner 106,111 and of water pipeline
Waste line 112.
Main line 110 is connected to reverse osmosis filter core 104 by raw water water inlet end 107A.On main line 110, intake by raw water
It holds 107A to reverse osmosis filter core 104, is sequentially communicated preposition preprocessing filter element 101 and booster pump 103.Preposition preprocessing filter element 101,
The component of existing purifier can be selected in booster pump 103, reverse osmosis filter core 104 and postpositive disposal filter core 105.Preposition pretreatment
Filter core 101, booster pump 103 and postpositive disposal filter core 105 all have inlet and outlet, and each component water inlet is respectively connected to
Upstream, and water outlet is respectively connected to downstream pipe.
Reverse osmosis filter core 104 generally has raw water inlet, water purification water outlet and wastewater effluent mouth, raw water inlet connection
Main line 110, water purification water outlet are connected to water pipeline 111.Postpositive disposal filter core 105, pure water pipe are serially connected on water pipeline 111
Road 111 is switched to water purification water outlet 107B by 104 water purification water outlet of reverse osmosis filter core.Waste line 112 is connected in reverse osmosis filter
On 104 wastewater effluent mouth of core, before the waste outlet 108 of waste line 112, it is serially connected with proportioner 106.In proportioner 106
With flow restrictions such as apertures, so that condensed water in reverse osmosis filter core 104 is built the pressure, and waste water can be drained, ensure reverse osmosis filter core
104 operating pressure.The effect of proportioner 106 is the pressure for controlling condensed water delivery flow, ensureing reverse osmosis purified water systems constant.
This purifier operation in, untreated water through raw water water inlet end 107A enter preposition processing filter core 101 filter after,
Reverse osmosis filter core 104 is reached through the supercharging of booster pump 103 again, the pure water that reverse osmosis filter core 104 oozes out is through postpositive disposal filter core 105
Processing, reaches water purification water outlet 107B later, and output treated water purification is for using.There is pressure in reverse osmosis filter core 104
Condensed water, by waste line 112 through 106 current limliting of proportioner discharge after, reach waste outlet 108 be discharged.Above-mentioned technology
The rate of recovery of purifier in scheme is controlled by fixed proportioner 106.
Easy full of beard and, since each department source quality situation is multifarious, under different quality environment, filter core uses the longevity
Life also accordingly differs greatly.The rate of recovery of all regions is applied to fixed condensed water proportioner, the area good to water quality is returned
Yield can in relatively high range without influencing filter core service life, since the fixed rate of recovery is excessive, wastewater flow it is excessive and
Cause water resource waste.And to the very poor area of water quality, the fixed rate of recovery may be higher, keeps waste water flow velocity excessively slow, reverse osmosis
Filter core can block in advance, can shorten reverse osmosis filter core service life, cause excessively high to change core expense.
Therefore it needs to be improved the reverse osmosis water purifying plant in Fig. 1, it can be in improved reverse osmosis water purifying plant
The rate of recovery is adjusted according to source quality.
In one possible implementation, it provides a ratio control assembly to be installed on waste line, ratio control group
Part can control waste line and be adjusted between two or more discharge ratios.
For example, it refers to shown in Fig. 2A, is a kind of reverse osmosis purified water shown according to another exemplary embodiment
The pipeline and equipment arrangement schematic diagram of equipment.In fig. 2, this purifier embodiment includes mainly main line 210, preposition place
Manage filter core 201, booster pump 204, reverse osmosis filter core 205, postpositive disposal filter core 206, ratio control assembly 220, water pipeline 211
With waste line 212.
Main line 210 is switched to reverse osmosis filter core 205 by raw water water inlet end 210A.On main line 210, intake by raw water
It holds 210A to reverse osmosis filter core 205, is sequentially communicated preposition preprocessing filter element 201 and booster pump 204.Preposition preprocessing filter element 201,
The component of existing purifier can be selected in booster pump 204, reverse osmosis filter core 205 and postpositive disposal filter core 206, moreover, preposition
Preprocessing filter element 201 and the installation number of postpositive disposal filter core 206 can be adjusted as needed, and can also connect more filter cores.
Preposition preprocessing filter element 201, booster pump 204 and postpositive disposal filter core 206 all have inlet and outlet, each component water inlet
It is respectively connected to upstream, and water outlet is respectively connected to downstream pipe.
Reverse osmosis filter core 205 generally has raw water inlet, water purification water outlet and wastewater effluent mouth, raw water inlet connection
Main line 210, water purification water outlet are connected to water pipeline 211.Postpositive disposal filter core 206, pure water pipe are serially connected on water pipeline 211
Road 211 is switched to water purification water outlet 210B by 205 water purification water outlet of reverse osmosis filter core.Waste line 212 is connected in reverse osmosis filter
On 205 wastewater effluent mouth of core, before the waste outlet 215 of waste line 212, proportional control assembly 220 is installed.
In one possible implementation, ratio control assembly may include at least two adjusting water routes, at least one control
Valve and at least two proportioners；Each water route that adjusts is arranged in parallel, and each water route front end that adjusts is turned in waste line water inlet end, respectively
Water route rear end is adjusted to be turned in waste line discharge ends；Each adjust is separately installed with proportioner on water route, each to adjust on water route
Proportioner waste water discharge ratio may be selected to be it is identical, in order to each adjustings water route connect combination control when, the rate of recovery adjusting etc.
Grade is evenly.Difference may be selected in each waste water discharge ratio for adjusting proportioner on water route, independently in order to each adjusting water route
When connection, the rate of recovery of water cleaning systems is also different, increases the rate of recovery and adjusts grade quantity.Control valve is installed at least one adjusting water
On the road, refer to there can be control valve on all adjusting water routes, or, being normal open there are one water route is adjusted, control valve can not be set,
The remaining control valve that is all provided with is controlled.Being turned on and off for the adjusting water route residing for it is controlled with control valve, and waste pipe is controlled with this
The waste water flow velocity on road, the rate of recovery of speed governing purifier.
For example, as shown in Figure 2 A, it is schematic diagram shown according to the exemplary embodiment of ratio control assembly.
In fig. 2, ratio control assembly includes that the first adjusting water route 213 and second adjusts water route 214.Pacify on first adjusting water route 213
Equipped with one first proportioner 208.One second proportioner 207 is installed on second adjusting water route 214, second is adjusted on water route 214
It is also equipped with a control valve 209；Second proportioner 207 and the first solenoid valve 209 are serially connected in the second adjusting water route 214.It can be with
Being turned on and off for second adjusting water route 214 of the control of control valve 209, the waste water velocity of discharge of waste line 212 is adjusted with this, with
Control the rate of recovery of this purifier.According to above-mentioned design, it can also be further added by and adjust water route, it is adjustable to increase the rate of recovery
Grade quantity.
Again for example, in embodiment as shown in Figure 2 B, also there is a water quality sensor 202 and one on main line 210
Entering water electromagnetic valve 203, water quality sensor 202 are installed on the raw water inlet pipeline before reverse osmosis filter core 205.As shown, water
Matter sensor 202 is on the main line 220 between preposition preprocessing filter element 201 and booster pump 204.
In embodiment as shown in Figure 2 B, entering water electromagnetic valve 203 is between water quality sensor 202 and booster pump 204
On main line 220, the on-off for controlling purifier raw water.Raw water can also be carried out using current limiting pressure-limiting mechanism simultaneously
Current limliting, to prevent application environment difference from being impacted to system running speed.
In being run such as the purifier of Fig. 2A, Fig. 2 B illustrated embodiments, untreated water enters through raw water water inlet end 210A
After preposition processing filter core 201 filters, then it is pressurized through booster pump 204 and reaches reverse osmosis filter core 205, what reverse osmosis filter core 205 oozed out
Pure water is handled through postpositive disposal filter core 206, reaches water purification water outlet 210B later, and output treated water purification is for using.
In, water quality can be divided into A, B two or more grade subregions by order of quality.After purifier work, water
Matter sensor 202 detects influent quality situation, and automatic decision water grade according to testing result.
By controlling the open and close various combination of the solenoid valve 209 in ratio control assembly, and then control 207 He of proportioner
208 combination, you can to control the different in flow rate of condensed water, the final rate of recovery for controlling purifier.For example, work as water quality
For A when, solenoid valve 209 close, condensed water proportioner 207 does not work at this time, the concentration water flow velocity and proportioner of purifier
208 flow velocity is identical.When water quality is B, solenoid valve 209 is opened, and the concentration water flow velocity of purifier is equal to proportioner 207 at this time
It is added with the flow velocity of proportioner 208.
The condensed water for having pressure in reverse osmosis filter core 205 is discharged by waste line 212 through ratio control assembly current limliting
Afterwards, waste outlet 215 is reached to be discharged.The rate of recovery of purifier in above-mentioned technical proposal, by can multistage adjustment ratio
Control assembly controls.
In alternatively possible realization method, ratio control assembly includes a synchronous adjustment valve, the synchronous adjustment valve
It is installed on waste line.To be adjusted in synchronism the waste water velocity of discharge that valve controls waste line, so as to adjust returning for purifier
Yield.
For example, shown in Figure 3, it is that a kind of reverse osmosis purified water shown according to a further exemplary embodiment is set
Standby pipeline and equipment arrangement schematic diagram.In figure 3, this purifier embodiment includes mainly main line 310, preposition processing filter
Core 301, water quality sensor 302, entering water electromagnetic valve 303, booster pump 304, reverse osmosis filter core 305, postpositive disposal filter core 306, ratio
Example control assembly 320, water pipeline 311 and waste line 312.
Main line 310 is switched to reverse osmosis filter core 305 by raw water water inlet end 310A.On main line 310, intake by raw water
Hold 310A to reverse osmosis filter core 305, be sequentially communicated preposition preprocessing filter element 301, water quality sensor 302, entering water electromagnetic valve 303 and
Booster pump 304.Preposition preprocessing filter element 301, booster pump 304, reverse osmosis filter core 305 and postpositive disposal filter core 306 can be selected
The component of existing purifier, moreover, preposition preprocessing filter element 301 and the installation number of postpositive disposal filter core 306 can be according to need
It is adjusted, can also connect more filter cores.Preposition preprocessing filter element 301, booster pump 304 and postpositive disposal filter core 306 have
There are inlet and outlet, each component water inlet is respectively connected to upstream, and water outlet is respectively connected to downstream pipe.
Reverse osmosis filter core 305 generally has raw water inlet, water purification water outlet and wastewater effluent mouth, raw water inlet connection
Main line 310, water purification water outlet are connected to water pipeline 311.Postpositive disposal filter core 306, pure water pipe are serially connected on water pipeline 311
Road 311 is switched to water purification water outlet 310B by 305 water purification water outlet of reverse osmosis filter core.Waste line 312 is connected in reverse osmosis filter
On 305 wastewater effluent mouth of core, before the waste outlet 309 of waste line 312, proportional control assembly 320 is installed.
In one possible implementation, ratio control assembly includes a synchronous adjustment valve 307.
It includes a synchronous motor and a valve to be adjusted in synchronism valve 307, controls the rotational angle of motor, and adjustable valve leads to
Amount.Purifier can set a water quality a reference value H, when water quality parameter value is H, be adjusted in synchronism 307 corresponding orientation angle of valve
Degree is G.
After purifier work, it is H ' that water quality sensor 302, which detects influent quality, then it is corresponding fixed to be adjusted in synchronism valve 307
Parallactic angle degree is G '=G+k (H '-H), and wherein k is to be adjusted in synchronism coefficient.
Easy full of beard and, seen from the above description, present disclosure also relates to a kind of controls of reverse osmosis water purifying plant waste water to fill
It sets, includes mainly waste line and ratio control assembly；Waste line is connected on a reverse osmosis filter core wastewater effluent mouth, ratio
Control assembly is installed on waste line, and the waste water flow velocity of waste line is controlled by the ratio control assembly, adjusts water purification
The rate of recovery of equipment.
In one possible implementation, a waste water controller, water quality sensor are may also include in aforementioned realization method
Signal is connected to controller, and ratio control assembly is coupled in controller；The raw water quality that water quality sensor described in controller detects,
The ratio control assembly is controlled, the waste water flow velocity of waste line, the rate of recovery of speed governing purifier are adjusted with this.
For example, shown in Figure 4, it is according to a kind of module signal shown in the exemplary embodiment of controller
Figure.In Fig. 4, controller 400 can be connected with 202/302 signal of water quality sensor is connect, and controller 400 and ratio control group
Part 220/320 is of coupled connections.
Controller 400 includes mainly processor 401, signal demodulation module 402 and drive module 403.It is deposited in processor 401
It contains：Corresponding pass between at least two discharge ratio of at least two raw water quality subregions divided in advance and ratio control assembly
System.Processor 401 can be microcontroller, and signal demodulation module 402 is a signal adapter, is used for water quality sensor 202/302
Signal transfer be the acceptable signal of processor；And drive module 403 receives the instruction of processor 401, and controlled to ratio
Electrical components export electric signal in component 220/320.
According to systemic presupposition, processor 401 can be according to 202/302 testing result of water quality sensor, automatic decision water quality etc.
Grade, and ratio control assembly 220/320 can be controlled by drive module 403, the waste water flow velocity of waste line, speed governing are adjusted with this
The rate of recovery of purifier.
In one possible implementation, the waste water discharge aspect ratio adjusting method of reverse osmosis water purifying plant, base are provided
It is realized in the reverse osmosis water purifying plant of previous embodiment, wherein
Acquire raw water quality in the pipeline before reverse osmosis filter core raw water inlet；
According to the raw water quality, control is connected to the ratio control assembly on the wastewater effluent mouth of reverse osmosis filter core extremely
It is adjusted between few two discharge ratios.
According to the water original water quality situation of user locality, the rate of recovery of purifier can be automatically adjusted, is matched to reverse osmosis filter core
Best condensed water ratio maximumlly improves the rate of recovery, can save water source under the premise of ensureing filter core service life.
Water quality is preferably regional, and the automatic rate of recovery that improves is to save water source；And the area poor in water quality, the automatic rate of recovery that reduces is to protect
Demonstrate,prove the service life of reverse osmosis filter core.Intelligent product, reliability further improve.
For example, the reverse osmosis water purifying plant based on embodiment illustrated in fig. 3 is realized, wherein：It is described according to raw water quality,
It controls the ratio control assembly being connected on the wastewater effluent mouth of reverse osmosis filter core to adjust between at least two discharge ratios, wrap
It includes：
Easy full of beard and, seen from the above description, according to the raw water quality, control is set to the ratio control group
Synchronous adjustment valve in part is to adjust the discharge ratio of waste line.Best condensed water can be matched to reverse osmosis filter core according to water quality
Ratio.
Coordinated with water quality sensor and be adjusted in synchronism valve, waste water discharge ratio can fine-tuned according to water quality,
For example, the reverse osmosis water purifying plant based on Fig. 2A, Fig. 2 B illustrated embodiments is realized, wherein：It is described according to institute
Raw water quality is stated, control is connected to the ratio control assembly on the wastewater effluent mouth of reverse osmosis filter core at least two discharge ratios
Between adjust, including：
Judge that the raw water quality belongs at least two water quality subregions divided in advance；
Water quality subregion and pre-set each water quality subregion belonging to the raw water quality and it is serially connected with tune
The switch of control valve in water-saving road controls correspondence, controls the control valve and is turned on and off, to adjust waste line
Discharge ratio.
Easy full of beard and, seen from the above description, according to default, to adjust water route various combination occupation mode, give up more
The discharge ratio of water lines can be selected in fixed several ratios, these ratios may be selected to be economy or applicability compared with
Excellent embodiment, to promote purifier operational efficiency.Selection also allows for each equipment progress in system between the several ratios of fixation
Preset matching.
The technical scheme provided by this disclosed embodiment can include the following benefits：
A ratio control assembly is provided to be installed on waste line, ratio control assembly can control waste line two with
It is adjusted between upper discharge ratio.The rate of recovery of purifier passes through the ratio control assembly control that multistage can be adjusted.It solves existing
Purifier does not have the technical issues of according to the water quality survey rate of recovery in the related technology.
In addition, according to the water original water quality situation of user locality, the rate of recovery of purifier is adjusted, is matched to reverse osmosis filter core
Best condensed water ratio maximumlly improves the rate of recovery, can save water source under the premise of ensureing filter core service life.
Water quality is preferably regional, and the automatic rate of recovery that improves is to save water source；And the area poor in water quality, the automatic rate of recovery that reduces is to protect
Demonstrate,prove the service life of reverse osmosis filter core.Intelligent product, reliability further improve.
In addition, the disclosure can increase and decrease in condensed water ratio control assembly as needed concatenated condensed water proportioner and
Solenoid valve increases dynamics water quality, and the synchronous condensed water proportional control solenoid valve that increases is, it can be achieved that rate of recovery more precise control.
Although exemplary embodiment describing the disclosure with reference to several, it is to be understood that, term used is explanation and shows
Example property, term and not restrictive.The spirit or reality that can be embodied in a variety of forms without departing from invention due to the disclosure
Matter, it should therefore be appreciated that above-described embodiment is not limited to any details above-mentioned, and should be spiritual defined by appended claims
Accompanying is all should be with the whole variations and remodeling widely explained, therefore fallen into claim or its equivalent scope in range to weigh
Profit requires to be covered.
Claims (8)
1. a kind of reverse osmosis water purifying plant, which is characterized in that including reverse osmosis filter core, waste line, ratio control assembly, water quality
Sensor and controller；
The reverse osmosis filter core has raw water inlet, water purification water outlet and wastewater effluent mouth；
The water quality sensor is installed on the pipeline before the reverse osmosis filter core raw water inlet, for acquiring raw water quality；
On the reverse osmosis filter core wastewater effluent mouth, the ratio control assembly is installed on described useless for the waste line connection
In water lines, the ratio control assembly can control the waste line and be adjusted between at least two discharge ratios；
The controller is connect with the water quality sensor and the ratio control assembly respectively；The controller is according to the water
The raw water quality of matter sensor detection, is divided into multiple grades subregion by water quality by order of quality, is examined according to the water quality sensor
It surveys as a result, automatic decision water grade, controls the ratio control assembly, the waste water delivery ratio of the waste line is adjusted with this
Example；
The ratio control assembly includes a synchronous adjustment valve, and the synchronous adjustment valve is installed on the waste line；Pass through
The rotational angle for being adjusted in synchronism valve motor is controlled, the flux for being adjusted in synchronism valve is adjusted；The synchronous adjustment valve pair
The orientation angle answered is G '=G+k (H '-H), and wherein H is water quality a reference value, and H ' is detection influent quality, and k is to be adjusted in synchronism to be
Number.
2. reverse osmosis water purifying plant as described in claim 1, which is characterized in that the ratio control assembly includes at least two
Adjust water route, at least a control valve and at least two proportioners；Each adjusting water route is in parallel, is terminated before each adjusting water route
The waste line water inlet end is passed through, each adjusting water route rear end is connected in the waste line discharge ends；The proportioner
Corresponding to be serially connected with the adjusting water route, the control valve is installed at least one adjusting water route；Its institute is controlled with the control valve
The adjusting water route at place is turned on and off, and ratio is discharged in the waste water that the waste line is controlled with this.
3. reverse osmosis water purifying plant as claimed in claim 2, it is characterised in that：It is stored in the controller：
At least two water quality subregions divided in advance, and
The switch control correspondence of pre-set each water quality subregion and the control valve being serially connected in adjusting water route.
4. reverse osmosis water purifying plant as claimed in claim 2, which is characterized in that
Each waste water discharge ratio for adjusting proportioner on water route is identical；
Or
Each waste water discharge ratio for adjusting proportioner on water route is different.
5. such as Claims 1-4 any one of them reverse osmosis water purifying plant, which is characterized in that
The reverse osmosis water purifying plant further includes main line, entering water electromagnetic valve, preposition preprocessing filter element, booster pump, water pipeline
With postpositive disposal filter core；
The main line is connected to the raw water inlet of the reverse osmosis filter core；In raw water water inlet end to the reverse osmosis filter core,
The main line has been sequentially connected in series entering water electromagnetic valve, preposition preprocessing filter element and booster pump；
The water pipeline is picked out by the water purification water outlet of the reverse osmosis filter core, and postpositive disposal is serially connected on the water pipeline
Filter core；
Raw water enters the preposition processing filter element filtering through the main line, and the booster pump send raw water supercharging to the reverse osmosis
Filter core, the pure water of the reverse osmosis filter core exudation, processing filter core processing is set through water pipeline, later at output in the rear
Water purification after reason is for using；The waste water of the reverse osmosis filter core wastewater effluent mouth discharge, into the waste line to be discharged,
The ratio control assembly can control the waste line and be adjusted between two or more discharge ratios.
6. aspect ratio adjusting method is discharged in a kind of waste water of reverse osmosis water purifying plant, based on described described in claim 1 reverse osmosis
Purifier is realized, it is characterised in that：
Acquire raw water quality in the pipeline before reverse osmosis filter core raw water inlet；
According to the raw water quality, control is connected to the ratio control assembly on the wastewater effluent mouth of reverse osmosis filter core at least two
It is adjusted between a discharge ratio.
7. method as claimed in claim 6, being realized based on the reverse osmosis water purifying plant described in the claim 4, feature
It is：It is described according to the raw water quality, control the ratio control assembly being connected on the wastewater effluent mouth of reverse osmosis filter core and exist
It is adjusted between at least two discharge ratios, including：
According to the raw water quality, control is set to the synchronous adjustment valve in the ratio control assembly to adjust waste line
Discharge ratio.
8. method as claimed in claim 6, being realized based on the reverse osmosis water purifying plant described in the claim 5, feature
It is：It is described according to the raw water quality, control the ratio control assembly being connected on the wastewater effluent mouth of reverse osmosis filter core and exist
It is adjusted between at least two discharge ratios, including：
Judge that the raw water quality belongs at least two water quality subregions divided in advance；
Water quality subregion and pre-set each water quality subregion belonging to the raw water quality and it is serially connected with adjusting water
The switch of control valve in road controls correspondence, controls the control valve and is turned on and off, to adjust the discharge of waste line
Ratio.
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| CN105329984A (en) * | 2015-10-26 | 2016-02-17 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier and control method thereof |
| EP3424884A4 (en) * | 2016-04-06 | 2019-10-02 | Mitsubishi Heavy Industries Engineering, Ltd. | Water treatment system, water treatment method |
| CN106006844A (en) * | 2016-05-09 | 2016-10-12 | 佛山市云米电器科技有限公司 | Water purifying system and reverse osmosis filter element washing condition judging method thereof |
| JP6737661B2 (en) * | 2016-08-30 | 2020-08-12 | 野村マイクロ・サイエンス株式会社 | Reverse osmosis membrane treatment system and method of operating reverse osmosis membrane treatment system |
| CN106934941A (en) * | 2017-04-24 | 2017-07-07 | 珠海格力电器股份有限公司 | Charging monitoring device, central water purifier and its charge system and method |
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