CN203469817U - Reverse osmosis purification unit and reverse osmosis purification system - Google Patents
Reverse osmosis purification unit and reverse osmosis purification system Download PDFInfo
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- CN203469817U CN203469817U CN201320578044.3U CN201320578044U CN203469817U CN 203469817 U CN203469817 U CN 203469817U CN 201320578044 U CN201320578044 U CN 201320578044U CN 203469817 U CN203469817 U CN 203469817U
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- infiltration
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Abstract
The utility model discloses a reverse osmosis purification unit which comprises a plurality of reverse osmosis filter elements, wherein the concentrated liquid outlet of at least one reverse osmosis filter element is connected with the stoste inlet of another reverse osmosis filter element. When the reverse osmosis purification unit works, a concentrated liquid discharged by at least one reverse osmosis filter element enters another reverse osmosis filter element and is taken as stoste to be further separated. Obviously, according to the reverse osmosis purification unit, the directly discharged concentrated liquid is reduced because the stoste is separated, so that the utilization rate of the stoste is increased. Therefore, the recycling rate of the reverse osmosis purification unit is high. Furthermore, the number of shunting branches of the stoste with the same flow is reduced under the condition that the reverse osmosis purification unit comprises a fixed number of the reverse osmosis filter elements, and the unit liquid flow on a reverse osmosis film of each reverse osmosis filter element is increased, so that the service life of each reverse osmosis filter element is prolonged. The utility model also discloses a reverse osmosis purification system comprising the reverse osmosis purification unit.
Description
Technical field
The utility model relates to purifier technical field, relates in particular to a kind of counter-infiltration clean unit.The utility model also relates to a kind of counter-infiltration cleaning system that comprises above-mentioned counter-infiltration clean unit.
Background technology
Counter-infiltration purification techniques is a kind ofly to take pressure differential as motive force, from solution, isolate the film lock out operation of solvent, this technology is exerted pressure to the stoste of reverse osmosis membrane one side, when pressure surpasses its osmotic pressure, solvent in stoste can be made inverse osmosis against the direction of naturally osmotic, thus the solvent that obtains seeing through in the low-pressure side of reverse osmosis membrane, i.e. penetrating fluid, high-pressure side obtains concentrated solution, i.e. concentrate.The core work parts of this technology are counter-infiltration clean unit.
As shown in Figure 1, above-mentioned counter-infiltration clean unit mainly comprises booster pump 11, counter-infiltration filter core 12 and flow control valve 13, has stoste entrance, concentrated solution outlet and penetrating fluid outlet on this counter-infiltration filter core 12.The counter-infiltration clean unit generally using at present generally includes a plurality of counter-infiltration filter cores 12, a plurality of counter-infiltration filter cores 12 adopt connected mode in parallel,, the stoste entrance of all counter-infiltration filter cores 12 is connected with same stoste service, penetrating fluid outlet is connected with same penetrating fluid output channel, and concentrated solution outlet is connected with same waste collection pipeline.Thus, stoste in stoste service, through shunting, enters in each counter-infiltration filter core 12, enters after treatment penetrating fluid output channel simultaneously, and concentrate in each counter-infiltration filter core 12 is all disposed in waste collection pipeline simultaneously, and then complete counter-infiltration evolutional operation.
Yet when a plurality of counter-infiltration filter cores 12 adopt connected mode in parallel, each counter-infiltration filter core 12 all can be discharged more concentrate, causes the utilization rate of stoste lower, the rate of recovery of counter-infiltration clean unit is lower.In addition, the stoste of equal flow is shunted to each counter-infiltration filter core 12, and the unit interval fluid flow on the reverse osmosis membrane of each counter-infiltration filter core 12 is less, causes the service life of counter-infiltration filter core 12 shorter.
In sum, how to solve the lower problem of the rate of recovery of counter-infiltration clean unit, become those skilled in the art's technical barrier urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of counter-infiltration clean unit, to solve the lower problem of the rate of recovery of counter-infiltration clean unit.Another object of the present utility model is to provide a kind of counter-infiltration cleaning system that comprises above-mentioned counter-infiltration clean unit.
To achieve these goals, the utility model provides following technical scheme:
A counter-infiltration clean unit, comprises a plurality of counter-infiltration filter cores, and described at least one, the concentrated solution outlet of counter-infiltration filter core is connected with the stoste import of counter-infiltration filter core described in another.
Preferably, in above-mentioned counter-infiltration clean unit, this counter-infiltration clean unit has at least one series-parallel connection filter core group, a plurality of described counter-infiltration filter core in described series-parallel connection filter core group is connected to form at least one parallel filter core group and follow-up filter core that at least one is connected with described parallel filter core group, described parallel filter core group comprises at least two described counter-infiltration filter cores, the stoste import of at least two described counter-infiltration filter cores is all communicated in same input duct, and the concentrated solution outlet of at least two described counter-infiltration filter cores is all communicated in same described concentrated solution outlet pipeline, the stoste import of described follow-up filter core is connected with the concentrated solution outlet pipeline of described parallel filter core group.
Preferably, in above-mentioned counter-infiltration clean unit, connectionless point between the described stoste import of described follow-up filter core and the described input duct of described parallel filter core group.
Preferably, in above-mentioned counter-infiltration clean unit, described parallel filter core group is two or more, and in adjacent two described parallel filter core groups, the described concentrated solution outlet pipeline of one is connected with the feed pathway of another one.
Preferably, in above-mentioned counter-infiltration clean unit, described parallel filter core group comprises two described counter-infiltration filter cores.
Preferably, in above-mentioned counter-infiltration clean unit, described series-parallel connection filter core group is two, in the described feed pathway of two described series-parallel connection filter core groups, booster pump is all set.
A counter-infiltration cleaning system, comprise preposition filter core, rearmounted filter core and be arranged at described preposition filter core and described rearmounted filter core between counter-infiltration clean unit, described counter-infiltration clean unit is the counter-infiltration clean unit described in above-mentioned any one.
Preferably, in above-mentioned counter-infiltration cleaning system, described preposition filter core comprises the cotton filter core of the PP connecting successively, granular activated carbon filter core and extruded activated carbon filter core.
Preferably, in above-mentioned counter-infiltration cleaning system, described rearmounted filter core is active carbon filter core.
In technique scheme, the counter-infiltration clean unit that the utility model provides comprises a plurality of counter-infiltration filter cores, and the concentrated solution outlet of at least one counter-infiltration filter core is connected with the stoste import of another counter-infiltration filter core.During this counter-infiltration clean unit work, the concentrate that at least one counter-infiltration filter core is discharged will enter in another counter-infiltration filter core as stoste, carry out further separation.Obviously, than the content of introducing in background technology, in the counter-infiltration clean unit that the utility model provides, stoste after separation directly the concentrate of discharge reduce to some extent, and then improved the utilization rate of stoste.Therefore, the rate of recovery of this counter-infiltration clean unit is higher.
In addition, in the situation that above-mentioned counter-infiltration clean unit comprises quantitative counter-infiltration filter core, the shunting number of the stoste of equal flow will reduce, and the unit interval fluid flow on the reverse osmosis membrane of each counter-infiltration filter core increases thereupon, and then extend the service life of counter-infiltration filter core.
Because above-mentioned counter-infiltration clean unit has above-mentioned technique effect, comprise that the counter-infiltration cleaning system of this counter-infiltration clean unit also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in the utility model embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of traditional counter-infiltration clean unit;
The structural representation of the counter-infiltration clean unit that Fig. 2 provides for the utility model embodiment;
Experimental curve diagram when Fig. 3 carries out water purification for the counter-infiltration clean unit that adopts the utility model embodiment to provide;
The structural representation of the another kind of counter-infiltration clean unit that Fig. 4 provides for the utility model embodiment;
The connection layout of a kind of counter-infiltration clean unit that Fig. 5 provides for the utility model embodiment in counter-infiltration cleaning system;
The connection layout of another counter-infiltration clean unit in counter-infiltration cleaning system that Fig. 6 provides for the utility model embodiment.
In upper Fig. 1-6:
Dotted line is concentrate flow duct, and heavy line is the mobile pipeline of penetrating fluid;
Booster pump 11, counter-infiltration filter core 12, flow control valve 13;
The specific embodiment
Core of the present utility model is to provide a kind of counter-infiltration clean unit, to solve the lower problem of the rate of recovery of counter-infiltration clean unit.Another core of the present utility model is to provide a kind of counter-infiltration cleaning system that comprises above-mentioned counter-infiltration clean unit.
In order to make those skilled in the art understand better the technical scheme that the utility model provides, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Fig. 2-6, the counter-infiltration clean unit that the utility model embodiment provides comprises booster pump 21, a plurality of counter-infiltration filter core 22 and the pipeline that connects a plurality of counter-infiltration filter cores 22, wherein, each counter-infiltration filter core 22 all comprises a stoste import, a concentrated solution outlet and a penetrating fluid outlet, penetrating fluid outlet is communicated with non-return valve, and this non-return valve is used for preventing that penetrating fluid is back to counter-infiltration filter core 22.Above-mentioned stoste import is for being connected with stoste service, and concentrated solution outlet is for discharging the concentrate after separation, and penetrating fluid outlet, for being connected with penetrating fluid output channel, is delivered to specified location with this by penetrating fluid.The key of the utility model embodiment is reconstructed point and is, the concentrated solution outlet of at least one counter-infiltration filter core 22 is connected with the stoste import of another counter-infiltration filter core 22.Particularly, the mode that can adopt all counter-infiltration filter cores 22 to connect successively,, in adjacent two counter-infiltration filter cores 22, the concentrated solution outlet of one is communicated with the stoste import of another one; Also can adopt a part of counter-infiltration filter core 22 to connect successively and form series connection filter core group, another part counter-infiltration filter core 22 is parallel to the mode at above-mentioned series connection filter core group two ends, be that the stoste import of this part counter-infiltration filter core 22 and the stoste import of the filter core group of connecting are communicated in same stoste service, and its concentrated solution outlet is communicated in same concentrate collection conduit with the concentrated solution outlet of the filter core group of connecting.Certainly, between a plurality of counter-infiltration filter cores 22, also can adopt other connected modes, not limit to and above-mentioned two kinds of modes.
During this counter-infiltration clean unit work, the concentrate that at least one counter-infiltration filter core 22 is discharged will enter in another counter-infiltration filter core 22 as stoste, carry out further separation.Obviously, than the content of introducing in background technology, in the counter-infiltration clean unit that the utility model embodiment provides, stoste after separation directly the concentrate of discharge reduce to some extent, and then improved the utilization rate of stoste.Therefore, the rate of recovery of this counter-infiltration clean unit is higher.
In addition, in the situation that above-mentioned counter-infiltration clean unit comprises quantitative counter-infiltration filter core 22, the shunting number of the stoste of equal flow will reduce, and the unit interval fluid flow on the reverse osmosis membrane of each counter-infiltration filter core 22 increases thereupon, and then extend the service life of counter-infiltration filter core 22.
Further in technical scheme, the counter-infiltration clean unit that the utility model embodiment provides has at least one series-parallel connection filter core group, a plurality of counter-infiltration filter cores 22 in this series-parallel connection filter core group are connected to form at least one parallel filter core group and follow-up filter core that at least one is connected with this parallel filter core group, this parallel filter core group comprises at least two counter-infiltration filter cores 22, the stoste import of all counter-infiltration filter cores 22 in it is all communicated in same input duct, and the concentrated solution outlet of all counter-infiltration filter cores 22 in it is all communicated in same concentrated solution outlet pipeline, the stoste import of follow-up filter core is connected with the concentrated solution outlet pipeline of this parallel filter core group.Particularly, as shown in Figure 4, the concentrated solution outlet of a part of counter-infiltration filter core 22 in parallel filter core group is connected with the stoste import of another part counter-infiltration filter core 22 in parallel filter core group, makes a part of counter-infiltration filter core 22 in parallel filter core group have two-way input.In this structure, in each branch of series-parallel connection filter core group, only connect a counter-infiltration filter core 22, after collecting, the concentrate that these counter-infiltration filter cores 22 are discharged enters in other counter-infiltration filter cores 22, and then guarantee that the concentrate that major part is discharged from can, as the stoste of other counter-infiltration filter cores 22, strengthen above-mentioned technique effect with this.
Further, connectionless point between the stoste import of above-mentioned follow-up filter core and the input duct of parallel filter core group, that is, the stoste import of this follow-up filter core only has an input ，Gai road, road to be input as the concentrated solution outlet pipeline of parallel filter core group.Obviously, this scheme has reduced the burden of follow-up filter core, and the working life of follow-up filter core is extended to some extent.
In order to reduce the shunting number of stoste as far as possible, utilize largely the concentrate of discharging simultaneously, can parallel filter core group be set to two or more, in adjacent two parallel filter core groups, the concentrated solution outlet pipeline of one is connected with the input duct of another one.After so arranging, in the situation that have quantitative counter-infiltration filter core 22, along with the quantity increase of parallel filter core group, the shunting number of stoste obviously reduces; Meanwhile, the concentrate that each parallel filter core group is discharged still enters with it in the stoste import of adjacent parallel filter core group, and then achieves the above object.
According to the general work environment of counter-infiltration clean unit, consider production cost, the parallel filter core group that the utility model embodiment provides comprises two counter-infiltration filter cores 22, the counter-infiltration filter core 22 of connecting with this parallel filter core group is set to one, and the concentrated solution outlet of this counter-infiltration filter core 22 is connected with flow control valve 23.Under general purification demand, adopt two counter-infiltration filter cores 22 to form parallel filter core group, can guarantee largely the unit interval fluid flow of each counter-infiltration filter core 22, guarantee the former liquid measure of other counter-infiltration filter cores 22 simultaneously, reach the higher rate of recovery.
Traditional scheme shown in Fig. 1 is compared with a kind of scheme that the utility model embodiment shown in Fig. 2 provides, two schemes components and parts used are identical, and both work under identical operating pressure, suppose that the rate of recovery of single counter-infiltration filter core 22 under above-mentioned operating pressure is 30%, stock solution flow is a, the rate of recovery of the counter-infiltration clean unit that the utility model embodiment provides is so: (0.3+0.7*0.3) * 100%=51%, and the rate of recovery of counter-infiltration clean unit in traditional scheme is 30%; In the reverse osmosis units that the utility model embodiment provides, the stock solution flow that flows through each the counter-infiltration filter core 22 in parallel filter core group is 0.5a, the stock solution flow by the counter-infiltration filter core 22 of connecting with this parallel filter core group is 0.7a, and in traditional scheme, the stock solution flow by each counter-infiltration filter core 22 is 0.33a.Visible, in the utility model embodiment, the stock solution flow of each counter-infiltration filter core 22 is large than in traditional scheme all, and former flow velocity is relatively large, and then counter-infiltration filter core 22 is rinsed fully, effectively extends the service life of counter-infiltration filter core 22.
Take and adopt above-mentioned counter-infiltration clean unit to carry out water to purify as example and test, the empirical curve obtaining as shown in Figure 3, analyzing this empirical curve can draw: under the certain condition of raw water flow, the pure water flow of the scheme that the utility model embodiment provides is all the time higher than traditional scheme, the dense water of discharge is fewer than traditional scheme, the rate of recovery is higher, and in the utility model scheme, rate of recovery measured data is 52%, and in traditional scheme, rate of recovery measured data is 31%; For counter-infiltration filter core 22, few (the TDS(Total Dissolved Solids of pure water water quality inferiority before and after its life-span expires, the total solids content being dissolved in the water) value changes little, be below 10), the life-span of counter-infiltration filter core 22 is set with producing discharge by producing water inventory, can judge that 22 life-spans of counter-infiltration filter core expire, as shown in Figure 3 when producing when discharge decays to setting value, when 22 life-spans of counter-infiltration filter core expire, the product water inventory of the utility model scheme is obviously greater than traditional scheme.
Because counter-infiltration clean unit be take pressure differential as dynamically working, therefore, under the operating mode of having relatively high expectations in purification, can series-parallel connection filter core group be set to two, and in the feed pathway of two series-parallel connection filter core groups, booster pump 21 is all set.Visible, this scheme all arranges booster pump 21 at each series-parallel connection filter core group front end, to guarantee the pressure differential in each series-parallel connection filter core group, and then the filtering accuracy of raising counter-infiltration clean unit.Certainly, the quantity of above-mentioned series-parallel connection filter core group also can be more than two, and accordingly, the quantity of booster pump 21 also can be more than two.
The counter-infiltration cleaning system that the utility model embodiment provides comprise preposition filter core, rearmounted filter core and be arranged at preposition filter core and rearmounted filter core between counter-infiltration clean unit, this counter-infiltration clean unit is the described counter-infiltration clean unit of above-mentioned arbitrary scheme.Because above-mentioned counter-infiltration clean unit has above-mentioned technique effect, comprise that the counter-infiltration cleaning system of this counter-infiltration clean unit also should have corresponding technique effect, repeat no more herein.
As shown in Figures 4 and 5, it is example that the above-mentioned counter-infiltration cleaning system of take purifies for water, and this counter-infiltration cleaning system comprises water supply pipe 31, preposition filter core, low tension switch 33, entering water electromagnetic valve 36, flowmeter 37, scouring electromagnetic valve 38, high-voltage switch gear 39, rearmounted filter core, gooseneck faucet 41 and pressure pot 42.Pipeline between water supply pipe 31 and counter-infiltration clean unit is stoste service, and preposition filter core, high-voltage switch gear 39, low tension switch 33, entering water electromagnetic valve 36 and flowmeter 37 are all arranged on this stoste service; After counter-infiltration clean unit, connect penetrating fluid output channel and concentrate collection conduit, rearmounted filter core, gooseneck faucet 41 and pressure pot 42 are all arranged on penetrating fluid output channel, and flow control valve 23, scouring electromagnetic valve 38 and high-voltage switch gear 39 are all arranged in concentrate collection conduit.Wherein: low tension switch 33 and high-voltage switch gear 39 are all for detection of the pressure of counter-infiltration cleaning system; Entering water electromagnetic valve 36 is for controlling the break-make of stoste service; Scouring electromagnetic valve 38 is for realizing the pre-washing function of system; Flow control valve 23 is for regulating the flow of each pipeline; Flowmeter 37 is for adding up the uninterrupted on pipeline; Pressure pot 42 is for storing the penetrating fluid of output.
During this counter-infiltration cleaning system work, when low tension switch 33 has detected water, entering water electromagnetic valve 36 and booster pump 21 are opened, the preposition filter core of running water process, and by entering counter-infiltration clean unit after booster pump 21 superchargings; Through the pure water of counter-infiltration evolution unit output flow through rearmounted filter core by gooseneck faucet 41 for user; When gooseneck faucet 41 is closed, pure water flows to pressure pot 42 and stores; When high-voltage switch gear 39 detects the full signal of water, complete machine is shut down; When opening gooseneck faucet 41, the water in pressure pot 42 flows out, pressure drop, and when high-voltage switch gear 39 detects starting pressure, complete machine restarts.
In specific embodiments; the value volume and range of product of preposition filter core can be selected flexibly; the utility model embodiment provides a kind of preferred selection mode; particularly; this preposition filter core comprises the cotton filter core 32 of the PP connecting successively, granular activated carbon filter core 34 and extruded activated carbon filter core 35, to obtain the preposition filter core that filtering accuracy is higher.Because the work load of rearmounted filter core is relatively little, its filtering accuracy requires relatively low, so the rearmounted filter core that the utility model embodiment provides is chosen as active carbon filter core 40, with this, when improving filtering accuracy, controls cost.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a counter-infiltration clean unit, comprises a plurality of counter-infiltration filter cores, it is characterized in that, described at least one, the concentrated solution outlet of counter-infiltration filter core is connected with the stoste import of counter-infiltration filter core described in another.
2. counter-infiltration clean unit according to claim 1, it is characterized in that, this counter-infiltration clean unit has at least one series-parallel connection filter core group, a plurality of described counter-infiltration filter core in described series-parallel connection filter core group is connected to form at least one parallel filter core group and follow-up filter core that at least one is connected with described parallel filter core group, described parallel filter core group comprises at least two described counter-infiltration filter cores, the stoste import of at least two described counter-infiltration filter cores is all communicated in same input duct, and the concentrated solution outlet of at least two described counter-infiltration filter cores is all communicated in same described concentrated solution outlet pipeline, the stoste import of described follow-up filter core is connected with the concentrated solution outlet pipeline of described parallel filter core group.
3. counter-infiltration clean unit according to claim 2, is characterized in that, connectionless point between the described stoste import of described follow-up filter core and the described input duct of described parallel filter core group.
4. counter-infiltration clean unit according to claim 3, is characterized in that, described parallel filter core group is two or more, and in adjacent two described parallel filter core groups, the described concentrated solution outlet pipeline of one is connected with the feed pathway of another one.
5. counter-infiltration clean unit according to claim 3, is characterized in that, described parallel filter core group comprises two described counter-infiltration filter cores.
6. according to the counter-infiltration clean unit described in any one in claim 2-5, it is characterized in that, described series-parallel connection filter core group is two, in the described feed pathway of two described series-parallel connection filter core groups, booster pump is all set.
7. a counter-infiltration cleaning system, comprise preposition filter core, rearmounted filter core and be arranged at described preposition filter core and described rearmounted filter core between counter-infiltration clean unit, it is characterized in that, described counter-infiltration clean unit is the counter-infiltration clean unit as described in any one in claim 1-6.
8. counter-infiltration cleaning system according to claim 7, is characterized in that, described preposition filter core comprises the cotton filter core of the PP connecting successively, granular activated carbon filter core and extruded activated carbon filter core.
9. according to the counter-infiltration cleaning system described in claim 7 or 8, it is characterized in that, described rearmounted filter core is active carbon filter core.
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| CN201320578044.3U CN203469817U (en) | 2013-09-17 | 2013-09-17 | Reverse osmosis purification unit and reverse osmosis purification system |
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| CN201320578044.3U CN203469817U (en) | 2013-09-17 | 2013-09-17 | Reverse osmosis purification unit and reverse osmosis purification system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437086A (en) * | 2013-09-17 | 2015-03-25 | 珠海格力电器股份有限公司 | Reverse osmosis purification unit and reverse osmosis purification system |
| CN105692939A (en) * | 2016-01-25 | 2016-06-22 | 日出东方太阳能股份有限公司 | Normal-pressure pipeline type water purifier and packaging method thereof |
-
2013
- 2013-09-17 CN CN201320578044.3U patent/CN203469817U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437086A (en) * | 2013-09-17 | 2015-03-25 | 珠海格力电器股份有限公司 | Reverse osmosis purification unit and reverse osmosis purification system |
| CN104437086B (en) * | 2013-09-17 | 2017-01-11 | 珠海格力电器股份有限公司 | Reverse osmosis purification unit and reverse osmosis purification system |
| CN105692939A (en) * | 2016-01-25 | 2016-06-22 | 日出东方太阳能股份有限公司 | Normal-pressure pipeline type water purifier and packaging method thereof |
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