CN104944524A - Reverse-osmosis water purification unit and wastewater emission ratio regulation method thereof - Google Patents
Reverse-osmosis water purification unit and wastewater emission ratio regulation method thereof Download PDFInfo
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- CN104944524A CN104944524A CN201410728997.2A CN201410728997A CN104944524A CN 104944524 A CN104944524 A CN 104944524A CN 201410728997 A CN201410728997 A CN 201410728997A CN 104944524 A CN104944524 A CN 104944524A
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Abstract
The invention relates to a reverse-osmosis water purification unit and a wastewater emission ratio regulation method thereof. The water purification unit comprises a reverse-osmosis filter element wastewater pipeline and a ratio control assembly; the reverse-osmosis filter element is provided with a raw water inlet, a purified water outlet and a wastewater outlet; the wastewater pipeline is communicated with the wastewater outlet of the reverse-osmosis filter element; and the ratio control assembly is installed on the wastewater pipeline, and can control the regulation of the wastewater pipeline among at least two emission ratios.
Description
Technical field
The disclosure relates to clean water treatment technical field, particularly relates to a kind of reverse osmosis water purifying plant and waste water discharge aspect ratio adjusting method thereof.
Background technology
In recent years, water purification product more and more received the concern of human consumer as healthy products, and water purification industry is also developing thereupon at high speed.Reverse osmosis water purifier is the main flow of domestic household water-purifying machine, in order to ensure the work-ing life of reverse osmosis filter core, in use, must ceaselessly rinse reverse osmosis filter core film surface, reduce the salt concn on reverse osmosis filter core film surface, slow down the blocking that film surface scale causes, namely must ensure that a certain proportion of condensed water (also claiming waste water) is discharged.The rate of recovery generally refers to, the pure water after purification, accounts for the ratio of the former water yield do not purified.The wastewater flow rate of discharge is added with the amount of the pure water after purification the former water yield generally equaling not purify.Under the prerequisite in work-ing life ensureing reverse osmosis filter core, improve former Water Sproading rate, the discharge as far as possible reducing condensed water is the common objective of industry.
Contriver is realizing in process of the present disclosure, find that correlation technique at least exists following defect: the rate of recovery of solidifying all regions with fixing proportioner, the area good to water quality, the rate of recovery can not affect filter core work-ing life in higher scope, because the fixing rate of recovery is excessive, wastewater flow is excessive and cause water resource waste.And to the very poor area of water quality, the fixing rate of recovery may be higher, makes waste water flow velocity excessively slow, and reverse osmosis filter core can block in advance, reverse osmosis filter core work-ing life can be shortened, cause and too high change core expense.
Summary of the invention
Do not possess the technical problem according to the water quality survey rate of recovery to solve water purifying plant in correlation technique, the disclosure provides a kind of reverse osmosis water purifying plant and waste water thereof to discharge aspect ratio adjusting method.Described technical scheme is as follows:
According to the first aspect of disclosure embodiment, provide a kind of reverse osmosis water purifying plant, comprise reverse osmosis filter core, waste line and ratio control assembly;
Described reverse osmosis filter core has raw water inlet, water purification water outlet and wastewater effluent mouth;
Described waste line is communicated with on described reverse osmosis filter core wastewater effluent mouth, and described ratio control assembly is installed on described waste line, and described ratio control assembly can control described waste line and adjust between at least two discharge ratios.
Optionally, also have a water quality sensor, described water quality sensor is installed on the pipeline before described reverse osmosis filter core raw water inlet, for gathering raw water quality.
Optionally, also comprise a controller, described controller is connected with described water quality sensor and described ratio control assembly respectively; The raw water quality that described controller detects according to described water quality sensor, controls described ratio control assembly, regulates the waste water of described waste line to discharge ratio with this.
Optionally, described ratio control assembly comprises a synchronization regulation valve, and described synchronization regulation valve is installed on described waste line.
Optionally, described ratio control assembly comprises at least two adjustment water routes, at least one control valve and at least two proportioners; Each described adjustment water route is in parallel, and front end, each described adjustment water route is connected in described waste line feed-water end, and rear end, each described adjustment water route is connected in described waste line discharge ends; Described proportioner correspondence is serially connected with described adjustment water route, and described control valve is installed at least one adjustment water route; Control unlatching or the closedown in the adjustment water route residing for it with described control valve, discharge ratio with the waste water that this controls described waste line.
Optionally, store in described controller:
At least two the water quality subregions divided in advance, and
Each water quality subregion pre-set and the on-off control corresponding relation being serially connected with the control valve regulated in water route.
Optionally, described reverse osmosis water purifying plant also comprises main line, entering water electromagnetic valve, preposition preprocessing filter element, topping-up pump, water pipeline and postpositive disposal filter core;
Described main line is communicated to the raw water inlet of described reverse osmosis filter core; At former water feed-water end to described reverse osmosis filter core, described main line is serially connected with entering water electromagnetic valve, preposition preprocessing filter element and topping-up pump successively;
Described water pipeline is picked out by the water purification water outlet of described reverse osmosis filter core, described water pipeline is serially connected with postpositive disposal filter core;
Former water enters described pre-process filter element filtering through described main line, former water supercharging is delivered to described reverse osmosis filter core by described topping-up pump, the pure water that described reverse osmosis filter core oozes out, put the process of process filter core in the rear through water pipeline, the water purification afterwards after output processing is for use; The waste water that described reverse osmosis filter core wastewater effluent mouth is discharged, enter described waste line to discharge, described ratio control assembly can control described waste line and adjust between discharge ratio more than two.
Optionally, on each described adjustment water route, the waste water discharge ratio of proportioner is identical;
Or
On each described adjustment water route, the waste water of proportioner discharges ratio difference.
According to the second aspect of disclosure embodiment, a kind of reverse osmosis water purifying plant waste water is provided to discharge aspect ratio adjusting method,
Realize based on aforesaid reverse osmosis water purifying plant,
Gather raw water quality in the pipeline before reverse osmosis filter core raw water inlet;
According to described raw water quality, the ratio control assembly of control linkage on the wastewater effluent mouth of reverse osmosis filter core regulates between at least two discharge ratios.
Optionally, based on aforementioned a kind of embodiment reverse osmosis water purifying plant realize, described according to described raw water quality, the ratio control assembly of control linkage on the wastewater effluent mouth of reverse osmosis filter core regulates between at least two discharge ratios, comprising:
According to described raw water quality, the synchronization regulation valve controlling to be arranged in described ratio control assembly is to regulate the discharge ratio of waste line.。
Optionally, the reverse osmosis water purifying plant based on aforementioned another kind of embodiment realizes, described according to described raw water quality, and the ratio control assembly of control linkage on the wastewater effluent mouth of reverse osmosis filter core regulates between at least two discharge ratios, comprising:
Judge that described raw water quality belongs at least two the water quality subregions divided in advance;
Water quality subregion belonging to described raw water quality, and each water quality subregion pre-set be serially connected with the on-off control corresponding relation of the control valve regulated in water route, control described control valve and open or closedown, to regulate the discharge ratio of waste line.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
There is provided a ratio control assembly to be installed on waste line, ratio control assembly can control waste line and adjust between discharge ratio more than two.The rate of recovery of water purifying plant, by can multistage adjustment ratio control assembly control.Solve water purifying plant in existing correlation technique and do not possess the technical problem according to the water quality survey rate of recovery.
In addition, according to the former water quality situation of the water of user locality, the rate of recovery of adjustable water purifying plant, to the condensed water ratio that reverse osmosis filter core coupling is best, under the prerequisite ensureing filter core work-ing life, improves the rate of recovery substantially, can save water source.Regional preferably in water quality, automatically improve the rate of recovery to save water source; And in the poor area of water quality, automatically reduce the rate of recovery to ensure the work-ing life of reverse osmosis filter core.Intelligent product, reliability further improves.
In addition, the disclosure can increase and decrease condensed water proportioner and the magnetic valve of series connection as required in condensed water ratio control assembly, increases dynamics water quality, and synchronous increase condensed water proportional control solenoid valve, can realize the rate of recovery and control more accurately.
Should be understood that, it is only exemplary that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing to be herein merged in specification sheets and to form the part of this specification sheets, shows and meets embodiment of the present disclosure, and is used from specification sheets one and explains principle of the present disclosure.
Fig. 1 its be a kind of reverse osmosis water purifying plant pipeline according to an exemplary embodiment and equipment layout schematic diagram.
Fig. 2 A its be pipeline and the equipment layout schematic diagram of a kind of reverse osmosis water purifying plant according to another exemplary embodiment.
Fig. 2 B its be pipeline and the equipment layout schematic diagram of a kind of reverse osmosis water purifying plant Gen Ju an exemplary embodiment again.
Fig. 3 its be pipeline and the equipment layout schematic diagram of a kind of reverse osmosis water purifying plant Gen Ju another exemplary embodiment again.
Fig. 4 its be a kind of module diagram according to a kind of exemplary embodiment of waste water controller.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the disclosure.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present disclosure are consistent.
" reverse osmosis water purifying plant " said in literary composition comprising:
Small-sized water purifying plant, comprises portable water purification equipment, Household water purification equipment etc.
Medium-sized water purifying plant, comprises group's water water purifying plant.
Large purification equipment, comprises the water purifying plant that equipment volume is larger.
Commercial water purifying plant, comprises bottled water water purifying plant, bottled water water purifying plant, supplying water in different qualities water purifying plant etc.
Industry water purifying plant, comprises food-processing water purifying plant, power plant's water purifying plant etc.
Specifically shown in Figure 1, it is a kind of reverse osmosis water purifying plant pipeline according to an exemplary embodiment and equipment layout schematic diagram.As shown in Figure 1, this water purifying plant embodiment mainly comprises main line 110, pre-process filter core 101, entering water electromagnetic valve 102, topping-up pump 103, reverse osmosis filter core 104, postpositive disposal filter core 105, proportioner 106, water pipeline 111 and waste line 112.
Main line 110 is communicated to reverse osmosis filter core 104 by former water feed-water end 107A.On main line 110, by former water feed-water end 107A to reverse osmosis filter core 104, be communicated with preposition preprocessing filter element 101 and topping-up pump 103 successively.Preposition preprocessing filter element 101, topping-up pump 103, reverse osmosis filter core 104 and postpositive disposal filter core 105 all can select the parts of existing water purifying plant.Preposition preprocessing filter element 101, topping-up pump 103 and postpositive disposal filter core 105 all have water-in and water outlet, and each parts water-in is communicated with upstream respectively, and water outlet is communicated with downstream pipe respectively.
Reverse osmosis filter core 104 generally has raw water inlet, water purification water outlet and wastewater effluent mouth, and raw water inlet is communicated with main line 110, and water purification water outlet is communicated with water pipeline 111.Water pipeline 111 is serially connected with postpositive disposal filter core 105, water pipeline 111 is switched to water purification water side 107B by reverse osmosis filter core 104 water purification water outlet.Waste line 112 is communicated with on reverse osmosis filter core 104 wastewater effluent mouth, before the waste outlet 108 of waste line 112, is serially connected with proportioner 106.In proportioner 106, there is the flow restriction such as aperture, condensed water in reverse osmosis filter core 104 is built the pressure, and waste water can be drained, ensure the operating pressure of reverse osmosis filter core 104.Proportioner 106 effect is the pressure controlling condensed water delivery flow, ensure reverse osmosis purified water systems constant.
During this water purifying plant runs, untreated water enters after pre-process filter core 101 filtration through former water feed-water end 107A, reverse osmosis filter core 104 is arrived again through topping-up pump 103 supercharging, the pure water that reverse osmosis filter core 104 oozes out processes through postpositive disposal filter core 105, arrive water purification water side 107B afterwards, the water purification after output processing is for use.The condensed water having pressure in reverse osmosis filter core 104, by waste line 112 after proportioner 106 current limliting is discharged, arrives waste outlet 108 and discharges.The rate of recovery of water purifying plant in technique scheme, is controlled by fixing proportioner 106.
Easy full of beard and, because each department source quality situation varies, under different quality environment, filter core work-ing life is also corresponding to differ greatly.Be applied to the rate of recovery of all regions with fixing condensed water proportioner, the area good to water quality, the rate of recovery can not affect filter core work-ing life in higher scope, because the fixing rate of recovery is excessive, wastewater flow is excessive and cause water resource waste.And to the very poor area of water quality, the fixing rate of recovery may be higher, makes waste water flow velocity excessively slow, and reverse osmosis filter core can block in advance, reverse osmosis filter core work-ing life can be shortened, cause and too high change core expense.
Therefore need to improve the reverse osmosis water purifying plant in Fig. 1, in the reverse osmosis water purifying plant after improvement, the rate of recovery can be adjusted according to source quality.
In a kind of possible implementation, provide a ratio control assembly to be installed on waste line, ratio control assembly can control waste line and adjust between discharge ratio more than two.
For example, refer to shown in Fig. 2 A, it is pipeline and the equipment layout schematic diagram of a kind of reverse osmosis water purifying plant according to another exemplary embodiment.In fig. 2, this water purifying plant embodiment mainly comprises main line 210, pre-process filter core 201, topping-up pump 204, reverse osmosis filter core 205, postpositive disposal filter core 206, ratio control assembly 220, water pipeline 211 and waste line 212.
Main line 210 is switched to reverse osmosis filter core 205 by former water feed-water end 210A.On main line 210, by former water feed-water end 210A to reverse osmosis filter core 205, be communicated with preposition preprocessing filter element 201 and topping-up pump 204 successively.Preposition preprocessing filter element 201, topping-up pump 204, reverse osmosis filter core 205 and postpositive disposal filter core 206 all can select the parts of existing water purifying plant, and, the installation quantity of preposition preprocessing filter element 201 and postpositive disposal filter core 206 can adjust as required, more filter cores of also can connecting.Preposition preprocessing filter element 201, topping-up pump 204 and postpositive disposal filter core 206 all have water-in and water outlet, and each parts water-in is communicated with upstream respectively, and water outlet is communicated with downstream pipe respectively.
Reverse osmosis filter core 205 generally has raw water inlet, water purification water outlet and wastewater effluent mouth, and raw water inlet is communicated with main line 210, and water purification water outlet is communicated with water pipeline 211.Water pipeline 211 is serially connected with postpositive disposal filter core 206, water pipeline 211 is switched to water purification water side 210B by reverse osmosis filter core 205 water purification water outlet.Waste line 212 is communicated with on reverse osmosis filter core 205 wastewater effluent mouth, before the waste outlet 215 of waste line 212, is provided with ratio control assembly 220.
In a kind of possible implementation, ratio control assembly can comprise at least two and regulate water route, at least one control valve and at least two proportioners; Each adjustment water route is arranged in parallel, and each front end, water route that regulates all is connected in waste line feed-water end, and each rear end, water route that regulates all is connected in waste line discharge ends; Each adjustment water route is separately installed with proportioner, and each waste water of proportioner on water route ratio of discharging that regulates may be selected to be identical, regulates water route to connect combination when controlling so that each, the rate of recovery regulate grade evenly.On each adjustment water route, the waste water of proportioner discharges that ratio is optional selects difference, and when regulating water route independently to connect so that each, the rate of recovery of water cleaning systems is also different, increases the rate of recovery and regulates grade quantity.Control valve is installed at least one adjustment water route, refers to that can there be control valve in all adjustment water routes, or have one to regulate water route to be normal open, can not establish control valve, all the other all establish control valve to control.Control unlatching or the closedown in the adjustment water route residing for it with control valve, control the waste water flow velocity of waste line with this, the rate of recovery of speed governing water purifying plant.
For example, as shown in Figure 2 A, it is the schematic diagram according to the exemplary embodiment of ratio control assembly.In fig. 2, ratio control assembly comprises the first adjustment water route 213 and the second adjustment water route 214.First adjustment water route 213 is provided with one first proportioner 208.Second adjustment water route 214 is provided with on one second proportioner 207, second adjustment water route 214 and a control valve 209 is also installed; Second proportioner 207 and the first magnetic valve 209 are serially connected with in the second adjustment water route 214.Unlatching or the closedown in the second adjustment water route 214 can be controlled with control valve 209, adjust the waste water velocity of discharge of waste line 212 with this, to control the rate of recovery of this water purifying plant.According to above-mentioned design, also can increase again and regulate water route, to increase the adjustable grade quantity of the rate of recovery.
Again for example, in embodiment as shown in Figure 2 B, main line 210 also has water quality sensor 202 and an entering water electromagnetic valve 203, water quality sensor 202 is installed on the former water suction culvert before reverse osmosis filter core 205.As shown in the figure, on the main line 220 of water quality sensor 202 between preposition preprocessing filter element 201 and topping-up pump 204.
In embodiment as shown in Figure 2 B, on the main line 220 of entering water electromagnetic valve 203 between water quality sensor 202 and topping-up pump 204, for controlling the on-off of the former water of water purifying plant.Current limiting pressure-limiting mechanism can also be utilized to carry out current limliting to former water simultaneously, to prevent applied environment difference, system running speed be impacted.
During water purifying plant as Fig. 2 A, Fig. 2 B illustrated embodiment runs, untreated water enters after pre-process filter core 201 filtration through former water feed-water end 210A, reverse osmosis filter core 205 is arrived again through topping-up pump 204 supercharging, the pure water that reverse osmosis filter core 205 oozes out processes through postpositive disposal filter core 206, arrive water purification water side 210B afterwards, the water purification after output processing is for use.
In application, water quality can be divided into two or more grade subregions of A, B by order of excellence.After water purifying plant work, water quality sensor 202 detects influent quality situation, and according to detected result automatic decision water grade.
By the open and close various combination of the magnetic valve 209 in control ratio control unit, and then the combination of control ratio device 207 and 208, namely can control the different in flow rate of condensed water, the final rate of recovery controlling water purifying plant.For example, when water quality is A, magnetic valve 209 cuts out, and now condensed water proportioner 207 is inoperative, and the condensed water flow velocity of water purifying plant is identical with the flow velocity of proportioner 208.When water quality is B, magnetic valve 209 is opened, and now the condensed water flow velocity of water purifying plant equals proportioner 207 and is added with the flow velocity of proportioner 208.
The condensed water having pressure in reverse osmosis filter core 205, by waste line 212 after ratio control assembly current limliting is discharged, arrives waste outlet 215 and discharges.The rate of recovery of water purifying plant in technique scheme, by can multistage adjustment ratio control assembly control.
In the implementation that another kind is possible, ratio control assembly comprises a synchronization regulation valve, and described synchronization regulation valve is installed on waste line.The waste water velocity of discharge of waste line is controlled with synchronization regulation valve, thus the rate of recovery of adjustment water purifying plant.
For example, shown in Figure 3, it is pipeline and the equipment layout schematic diagram of a kind of reverse osmosis water purifying plant according to another exemplary embodiment.In figure 3, this water purifying plant embodiment mainly comprises main line 310, pre-process filter core 301, water quality sensor 302, entering water electromagnetic valve 303, topping-up pump 304, reverse osmosis filter core 305, postpositive disposal filter core 306, ratio control assembly 320, water pipeline 311 and waste line 312.
Main line 310 is switched to reverse osmosis filter core 305 by former water feed-water end 310A.On main line 310, by former water feed-water end 310A to reverse osmosis filter core 305, be communicated with preposition preprocessing filter element 301, water quality sensor 302, entering water electromagnetic valve 303 and topping-up pump 304 successively.Preposition preprocessing filter element 301, topping-up pump 304, reverse osmosis filter core 305 and postpositive disposal filter core 306 all can select the parts of existing water purifying plant, and, the installation quantity of preposition preprocessing filter element 301 and postpositive disposal filter core 306 can adjust as required, more filter cores of also can connecting.Preposition preprocessing filter element 301, topping-up pump 304 and postpositive disposal filter core 306 all have water-in and water outlet, and each parts water-in is communicated with upstream respectively, and water outlet is communicated with downstream pipe respectively.
Reverse osmosis filter core 305 generally has raw water inlet, water purification water outlet and wastewater effluent mouth, and raw water inlet is communicated with main line 310, and water purification water outlet is communicated with water pipeline 311.Water pipeline 311 is serially connected with postpositive disposal filter core 306, water pipeline 311 is switched to water purification water side 310B by reverse osmosis filter core 305 water purification water outlet.Waste line 312 is communicated with on reverse osmosis filter core 305 wastewater effluent mouth, before the waste outlet 309 of waste line 312, is provided with ratio control assembly 320.
In a kind of possible implementation, ratio control assembly comprises a synchronization regulation valve 307.
Synchronization regulation valve 307 comprises a synchronous machine and a valve, controls the rotational angle of motor, the flux of adjustable valve.Water purifying plant can set a water quality benchmark value H, and when water quality parameter value is H, the orientation angle of synchronization regulation valve 307 correspondence is G.
After water purifying plant work, it is H ' that water quality sensor 302 detects influent quality, then the orientation angle of synchronization regulation valve 307 correspondence is G '=G+k (H '-H), and wherein k is synchronization regulation coefficient.
Easy full of beard and, seen from the above description, the disclosure also relates to a kind of reverse osmosis water purifying plant waste water control device, mainly comprises waste line and ratio control assembly; Waste line is communicated with on a reverse osmosis filter core wastewater effluent mouth, and ratio control assembly is installed on waste line, is controlled the waste water flow velocity of waste line by described ratio control assembly, the rate of recovery of adjustment water purifying plant.
In a kind of possible implementation, also can comprise a waste water controller in aforementioned implementation, water quality sensor 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, controls described ratio control assembly, regulates the waste water flow velocity of waste line, the rate of recovery of speed governing water purifying plant with this.
For example, shown in Figure 4, it is a kind of module diagram according to the exemplary embodiment of controller.In the diagram, controller 400 can connect with being connected water quality sensor 202/302 signal, and controller 400 and ratio control assembly 220/320 are of coupled connections.
Controller 400 mainly comprises treater 401, signal receiving module 402 and driver module 403.Store in treater 401: the corresponding relation between at least two the raw water quality subregions divided in advance and ratio control assembly at least two discharge ratios.Treater 401 can be micro-chip, and signal receiving module 402 is a signal converter, for shifting as the acceptable signal of treater by the signal of water quality sensor 202/302; And the instruction of driver module 403 receiving processor 401, and export electrical signal to electrical components in ratio control assembly 220/320.
According to systemic presupposition, treater 401 can according to water quality sensor 202/302 detected result, automatic decision water grade, and by driver module 403 control ratio control unit 220/320, the waste water flow velocity of waste line is regulated, the rate of recovery of speed governing water purifying plant with this.
In a kind of possible implementation, the waste water providing reverse osmosis water purifying plant discharges aspect ratio adjusting method, and the reverse osmosis water purifying plant based on previous embodiment realizes, wherein,
Gather raw water quality in the pipeline before reverse osmosis filter core raw water inlet;
According to described raw water quality, the ratio control assembly of control linkage on the wastewater effluent mouth of reverse osmosis filter core regulates between at least two discharge ratios.
According to the former water quality situation of the water of user locality, automatically can regulate the rate of recovery of water purifying plant, to the condensed water ratio that reverse osmosis filter core coupling is best, under the prerequisite ensureing filter core work-ing life, improve the rate of recovery substantially, can water source be saved.Regional preferably in water quality, automatically improve the rate of recovery to save water source; And in the poor area of water quality, automatically reduce the rate of recovery to ensure the work-ing life of reverse osmosis filter core.Intelligent product, reliability further improves.
For example, realize based on reverse osmosis water purifying plant embodiment illustrated in fig. 3, wherein: described according to raw water quality, the ratio control assembly of control linkage on the wastewater effluent mouth of reverse osmosis filter core regulates between at least two discharge ratios, comprising:
Easy full of beard and, seen from the above description, according to described raw water quality, control the synchronization regulation valve that is arranged in described ratio control assembly to regulate the discharge ratio of waste line.According to the condensed water ratio that water quality can give reverse osmosis filter core coupling best.
Coordinate synchronization regulation valve with water quality sensor, meticulous adjustment can be carried out according to water quality to waste water ratio of discharging,
For example, reverse osmosis water purifying plant based on Fig. 2 A, Fig. 2 B illustrated embodiment realizes, wherein: described according to described raw water quality, the ratio control assembly of control linkage on the wastewater effluent mouth of reverse osmosis filter core regulates between at least two discharge ratios, comprising:
Judge that described raw water quality belongs at least two the water quality subregions divided in advance;
Water quality subregion belonging to described raw water quality, and each water quality subregion pre-set be serially connected with the on-off control corresponding relation of the control valve regulated in water route, control described control valve and open or closedown, to regulate the discharge ratio of waste line.
Easy full of beard and be, seen from the above description, according to presetting, to regulate water route various combination use-pattern more, the discharge ratio of waste line can be selected in fixing several ratios, these ratios may be selected to be economy or suitability preferably embodiment, to promote water purifying plant operational efficiency.Between fixing several ratio, select also to be convenient to each equipment in system carry out preset matching.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
There is provided a ratio control assembly to be installed on waste line, ratio control assembly can control waste line and adjust between discharge ratio more than two.The rate of recovery of water purifying plant, by can multistage adjustment ratio control assembly control.Solve water purifying plant in existing correlation technique and do not possess the technical problem according to the water quality survey rate of recovery.
In addition, according to the former water quality situation of the water of user locality, the rate of recovery of adjustable water purifying plant, to the condensed water ratio that reverse osmosis filter core coupling is best, under the prerequisite ensureing filter core work-ing life, improves the rate of recovery substantially, can save water source.Regional preferably in water quality, automatically improve the rate of recovery to save water source; And in the poor area of water quality, automatically reduce the rate of recovery to ensure the work-ing life of reverse osmosis filter core.Intelligent product, reliability further improves.
In addition, the disclosure can increase and decrease condensed water proportioner and the magnetic valve of series connection as required in condensed water ratio control assembly, increases dynamics water quality, and synchronous increase condensed water proportional control solenoid valve, can realize the rate of recovery and control more accurately.
Although exemplary embodiment describe the disclosure with reference to several, should be appreciated that term used illustrates and exemplary and nonrestrictive term.Specifically can implement in a variety of forms due to the disclosure and not depart from spirit or the essence of invention, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claim of enclosing, therefore fall into whole change in claim or its equivalent scope and remodeling and all should be claim of enclosing and contained.
Claims (11)
1. a reverse osmosis water purifying plant, is characterized in that, comprises reverse osmosis filter core, waste line and ratio control assembly;
Described reverse osmosis filter core has raw water inlet, water purification water outlet and wastewater effluent mouth;
Described waste line is communicated with on described reverse osmosis filter core wastewater effluent mouth, and described ratio control assembly is installed on described waste line, and described ratio control assembly can control described waste line and adjust between at least two discharge ratios.
2. reverse osmosis water purifying plant as claimed in claim 1, it is characterized in that also having a water quality sensor, described water quality sensor is installed on the pipeline before described reverse osmosis filter core raw water inlet, for gathering raw water quality.
3. waste water control device as claimed in claim 2, it is characterized in that, also comprise a controller, described controller is connected with described water quality sensor and described ratio control assembly respectively; The raw water quality that described controller detects according to described water quality sensor, controls described ratio control assembly, regulates the waste water of described waste line to discharge ratio with this.
4. reverse osmosis water purifying plant as claimed in claim 3, it is characterized in that, described ratio control assembly comprises a synchronization regulation valve, and described synchronization regulation valve is installed on described waste line.
5. reverse osmosis water purifying plant as claimed in claim 3, is characterized in that, described ratio control assembly comprises at least two and regulates water route, at least one control valve and at least two proportioners; Each described adjustment water route is in parallel, and front end, each described adjustment water route is connected in described waste line feed-water end, and rear end, each described adjustment water route is connected in described waste line discharge ends; Described proportioner correspondence is serially connected with described adjustment water route, and described control valve is installed at least one adjustment water route; Control unlatching or the closedown in the adjustment water route residing for it with described control valve, discharge ratio with the waste water that this controls described waste line.
6. reverse osmosis water purifying plant as claimed in claim 5, is characterized in that: store in described controller:
At least two the water quality subregions divided in advance, and
Each water quality subregion pre-set and the on-off control corresponding relation being serially connected with the control valve regulated in water route.
7. reverse osmosis water purifying plant as claimed in claim 5, is characterized in that,
On each described adjustment water route, the waste water discharge ratio of proportioner is identical;
Or
On each described adjustment water route, the waste water of proportioner discharges ratio difference.
8. the reverse osmosis water purifying plant as described in any one of claim 1 to 7, is characterized in that,
Described reverse osmosis water purifying plant also comprises main line, entering water electromagnetic valve, preposition preprocessing filter element, topping-up pump, water pipeline and postpositive disposal filter core;
Described main line is communicated to the raw water inlet of described reverse osmosis filter core; At former water feed-water end to described reverse osmosis filter core, described main line is serially connected with entering water electromagnetic valve, preposition preprocessing filter element and topping-up pump successively;
Described water pipeline is picked out by the water purification water outlet of described reverse osmosis filter core, described water pipeline is serially connected with postpositive disposal filter core;
Former water enters described pre-process filter element filtering through described main line, former water supercharging is delivered to described reverse osmosis filter core by described topping-up pump, the pure water that described reverse osmosis filter core oozes out, put the process of process filter core in the rear through water pipeline, the water purification afterwards after output processing is for use; The waste water that described reverse osmosis filter core wastewater effluent mouth is discharged, enter described waste line to discharge, described ratio control assembly can control described waste line and adjust between discharge ratio more than two.
9. the waste water of reverse osmosis water purifying plant discharges an aspect ratio adjusting method, realizes, it is characterized in that based on described reverse osmosis water purifying plant according to claim 2:
Gather raw water quality in the pipeline before reverse osmosis filter core raw water inlet;
According to described raw water quality, the ratio control assembly of control linkage on the wastewater effluent mouth of reverse osmosis filter core regulates between at least two discharge ratios.
10. method as claimed in claim 9, realize based on described reverse osmosis water purifying plant according to claim 4, it is characterized in that: described according to described raw water quality, the ratio control assembly of control linkage on the wastewater effluent mouth of reverse osmosis filter core regulates between at least two discharge ratios, comprising:
According to described raw water quality, the synchronization regulation valve controlling to be arranged in described ratio control assembly is to regulate the discharge ratio of waste line.
11. methods as claimed in claim 9, realize based on described reverse osmosis water purifying plant according to claim 5, it is characterized in that: described according to described raw water quality, the ratio control assembly of control linkage on the wastewater effluent mouth of reverse osmosis filter core regulates between at least two discharge ratios, comprising:
Judge that described raw water quality belongs at least two the water quality subregions divided in advance;
Water quality subregion belonging to described raw water quality, and each water quality subregion pre-set be serially connected with the on-off control corresponding relation of the control valve regulated in water route, control described control valve and open or closedown, to regulate the discharge ratio of waste line.
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