CN101613141A - A kind of reverse osmosis unit of constant pressure water supply - Google Patents
A kind of reverse osmosis unit of constant pressure water supply Download PDFInfo
- Publication number
- CN101613141A CN101613141A CN200810115617A CN200810115617A CN101613141A CN 101613141 A CN101613141 A CN 101613141A CN 200810115617 A CN200810115617 A CN 200810115617A CN 200810115617 A CN200810115617 A CN 200810115617A CN 101613141 A CN101613141 A CN 101613141A
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- Prior art keywords
- water
- pressure
- reverse osmosis
- valve
- control valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 30
- 239000008400 supply water Substances 0.000 claims abstract description 17
- 239000012528 membrane Substances 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The reverse osmosis unit of a kind of constant pressure water supply of the present invention relates to the constant pressure water supply technology, comprises feed water valve, topping-up pump, reverse osmosis membrane assembly, pure water case, water tank outlet magnetic valve, uses point; It also comprises frequency transformer, motor-driven control valve, pressure unit, under meter; The operating frequency of pressure unit control of conversion device, pressure unit shows the size of pressure of supply water in real time, in a range of set value of hydraulic pressure, the operating frequency of control of conversion device is so that pressure of supply water remains on a steady state value; The opening degree of under meter control motor-driven control valve, in a range of set value of flow, the opening degree of control motor-driven control valve is so that the recirculation water flow maintains in the steady state value scope.The present invention had both realized constant pressure water supply, had realized again being back to the constant of pure water case discharge, had guaranteed that normal water supply reduces power consumption again.
Description
Technical field
The present invention relates to the reverse osmosis unit of constant pressure water supply technical field, particularly a kind of constant pressure water supply.
Background technology
Fig. 1 is the reverse osmosis unit structure iron of prior art, among the figure: feed water valve 1; Topping-up pump 2; Reverse osmosis membrane assembly 4; Pure water case 6; Water tank outlet magnetic valve 7; Use some A.
The inlet of feed water valve 1 links to each other with water tap, and the inlet of topping-up pump 2 links to each other with the outlet of feed water valve 1.Former water carries out reverse-osmosis treated by squeezing into after the topping-up pump pressurization in the reverse osmosis membrane assembly 4 after feed water valve 1 flows into topping-up pump 2.The pure water that produces through reverse-osmosis treated directly is fed to a use point A, and a pure water that uses point not use is recovered in the pure water case 6.The inlet of water tank outlet magnetic valve 7 links to each other with the outlet of pure water case 6, and the outlet of water tank outlet magnetic valve 7 links to each other with the inlet of topping-up pump 2.
This reverse osmosis unit also exists the some shortcomings part: at first, it is constant that this device can't guarantee to produce water pressure, because use and select A place water situation and changes, use also difference of the required pressure of supply water of the different amts of some A, and in this device topping-up pump 2 always completely frequency move.If use a lot of and water producing pipe road insufficient pressure of some A, the situation that A can't water, the normal use of influence product water selects in the use that the back then can occur; If use some A seldom and topping-up pump 2 is still expired the frequency operation, then can cause waste of electric energy; Secondly, the flow that is back to water in the pure water case 6 will keep within the specific limits, and the flow of recirculation water can not be too little, selects normally water of A to guarantee each use, and this device also can't satisfy this requirement.
Summary of the invention
The objective of the invention is deficiency at present reverse osmosis unit, a kind of reverse osmosis unit of constant pressure water supply is disclosed, make product water pressure and circling water flow rate keep constant, make reverse osmosis equipment under different watering conditions, can both realize constant pressure water supply, and the discharge that is back to water tank is within the specific limits constant, the consumption of having saved electric energy when guaranteeing the equipment normal water supply.
For achieving the above object, technical solution of the present invention is:
A kind of reverse osmosis unit of constant pressure water supply comprises feed water valve, topping-up pump, reverse osmosis membrane assembly, pure water case, water tank outlet magnetic valve, uses point; Wherein, the feed water valve inlet leads to former water, the topping-up pump inlet interlinks with the outlet of feed water valve, the reverse osmosis membrane assembly inlet interlinks with the supercharging pump outlet, the pure water outlet of reverse osmosis membrane assembly interlinks with using point, the inlet of water tank outlet magnetic valve and the outlet of pure water case interlink, and outlet interlinks with the inlet of topping-up pump; It also comprises frequency transformer, motor-driven control valve, pressure unit, under meter;
A frequency transformer in parallel on topping-up pump is provided with a pressure unit at reverse osmosis membrane assembly in the pipeline that uses point, pressure unit is electrically connected with frequency transformer;
The motorized adjustment valve inlet interlinks with using point, and outlet interlinks with the pure water tank inlet, is provided with under meter between motor-driven control valve and pure water tank inlet, and under meter is electrically connected with motor-driven control valve;
The operating frequency of pressure unit control of conversion device, pressure unit shows the size of pressure of supply water in real time, when using a hydraulic pressure at place less than a set(ting)value, make frequency transformer increase operating frequency, to increase hydraulic pressure, when using a hydraulic pressure at place, make frequency transformer reduce operating frequency greater than a set(ting)value, to reduce hydraulic pressure, make pressure of supply water remain on a steady state value;
The opening degree of under meter control motor-driven control valve, when flow meter data during, make motor-driven control valve increase its aperture, when flow meter data during greater than a set(ting)value less than a set(ting)value, make motor-driven control valve reduce its aperture, the recirculation water flow is maintained in the steady state value scope.
The invention has the advantages that and to reach the purpose of constant pressure water supply according to the operating frequency that how much changes topping-up pump 2 of using some place water consumption; Can also adjust the aperture of motor-driven control valve 5 according to the flow velocity that is back to water tank water, reach and be back to the purpose that water tank discharge is maintained within a certain range.Adopt reverse osmosis unit pressure of supply water of the present invention constant, being back to water tank discharge also can be within the specific limits constant, has not only guaranteed normal water supply but also saved electric energy.
Description of drawings
Fig. 1 is the reverse osmosis unit structure iron of prior art;
Fig. 2 is the reverse osmosis unit structural representation of a kind of constant pressure water supply of the present invention.
Embodiment
As shown in Figure 2, be the reverse osmosis unit structural representation of a kind of constant pressure water supply of the present invention, among the figure: feed water valve 1; Topping-up pump 2; Frequency transformer 3; Reverse osmosis membrane assembly 4; Motor-driven control valve 5; Pure water case 6; Water tank outlet magnetic valve 7; Pressure unit 8; Under meter 9; Use some A.
Wherein, a frequency transformer 3 in parallel on topping-up pump 2; Using some A in the pipeline of pure water case 6 inlets, a motor-driven control valve 5 to be set, a under meter 9 is set in the downstream of motor-driven control valve 5; In the pipeline that uses some A, a pressure unit 8 is set at reverse osmosis membrane assembly 4.Pressure unit 8 is electrically connected with frequency transformer 3.Under meter 9 is electrically connected with motor-driven control valve 5.
Be installed on pressure unit 8 on the pure water pipeline and can show the size of pressure of supply water in real time, use some A place what of water spot directly to influence the size of this pressure with.The frequency transformer 3 that links to each other with topping-up pump 2 changes the size of pressure of supply water then according to the operating frequency of the size change topping-up pump 2 of pressure of supply water, makes pressure of supply water remain on a steady state value.When using some A place to increase with water spot, pressure of supply water can be lower than steady state value, and the operating frequency of frequency transformer 3 meetings increase this moment topping-up pump 2 makes pressure of supply water be increased to steady state value, guarantees to use some A place energy normal water supply; When using some A place to reduce with water spot, pressure of supply water can surpass steady state value, and this moment, frequency transformer 3 can reduce the operating frequency of topping-up pump 2, made pressure of supply water be reduced to steady state value, had played the effect of saves energy.
Be installed on motor-driven control valve 5 and can show the size of the discharge that is back to pure water case 6 to the under meter 9 on the pipeline of pure water case 6 in real time, motor-driven control valve 5 is adjusted its aperture according to the size of this flux values, then change the size of the discharge that is back to pure water case 6, it is remained in the constant scope.When the discharge that is back to pure water case 6 was higher than this constant scope, motor-driven control valve 5 can reduce its aperture, and the recirculation water flow is reduced in the constant scope; When the discharge that is back to pure water case 6 was lower than constant scope, motor-driven control valve 5 can increase its aperture, and the recirculation water flow is increased in the steady state value scope.
In the present invention, the pressure unit 8 that is installed on the water producing pipe road is used to show the size of producing water pressure, and frequency transformer 3 keeps producing the constant of water pressure according to the operating frequency of the size change topping-up pump 2 of this pressure.Be installed on motor-driven control valve 5 to the under meter 9 on the pipeline of pure water case 6 and be used to show the flow that is back to water tank water, motor-driven control valve 5 changes its aperture according to the size of this flow, then change the flow velocity be back to water tank water, make to be back to water tank discharge and to be maintained within a certain range.
The discharge that has promptly realized making pressure of supply water and be back to pure water case 6 by aforesaid method keeps the constant purpose, satisfy under the situation of using some A number change also can normal water supply requirement.
Claims (1)
1. the reverse osmosis unit of a constant pressure water supply comprises feed water valve, topping-up pump, reverse osmosis membrane assembly, pure water case, water tank outlet magnetic valve, uses point; Wherein, the feed water valve inlet leads to former water, the topping-up pump inlet interlinks with the outlet of feed water valve, the reverse osmosis membrane assembly inlet interlinks with the supercharging pump outlet, the pure water outlet of reverse osmosis membrane assembly interlinks with using point, the inlet of water tank outlet magnetic valve and the outlet of pure water case interlink, and outlet interlinks with the inlet of topping-up pump; It is characterized in that: also comprise frequency transformer, motor-driven control valve, pressure unit, under meter;
A frequency transformer in parallel on topping-up pump is provided with a pressure unit at reverse osmosis membrane assembly in the pipeline that uses point, pressure unit is electrically connected with frequency transformer;
The motorized adjustment valve inlet interlinks with using point, and outlet interlinks with the pure water tank inlet, is provided with under meter between motor-driven control valve and pure water tank inlet, and under meter is electrically connected with motor-driven control valve;
The operating frequency of pressure unit control of conversion device, pressure unit shows the size of pressure of supply water in real time, when using a hydraulic pressure at place less than a set(ting)value, make frequency transformer increase operating frequency, to increase hydraulic pressure, when using a hydraulic pressure at place, make frequency transformer reduce operating frequency greater than a set(ting)value, to reduce hydraulic pressure, make pressure of supply water remain on a steady state value;
The opening degree of under meter control motor-driven control valve, when flow meter data during, make motor-driven control valve increase its aperture, when flow meter data during greater than a set(ting)value less than a set(ting)value, make motor-driven control valve reduce its aperture, the recirculation water flow is maintained in the steady state value scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810115617A CN101613141A (en) | 2008-06-25 | 2008-06-25 | A kind of reverse osmosis unit of constant pressure water supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810115617A CN101613141A (en) | 2008-06-25 | 2008-06-25 | A kind of reverse osmosis unit of constant pressure water supply |
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| Publication Number | Publication Date |
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| CN101613141A true CN101613141A (en) | 2009-12-30 |
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| CN200810115617A Pending CN101613141A (en) | 2008-06-25 | 2008-06-25 | A kind of reverse osmosis unit of constant pressure water supply |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103787457A (en) * | 2012-10-30 | 2014-05-14 | 苏州卓融水处理科技有限公司 | Novel environment-friendly water treatment method and system |
| CN103787461A (en) * | 2012-11-05 | 2014-05-14 | 苏州卓融水处理科技有限公司 | Environment-friendly water treatment system |
| CN105585077A (en) * | 2011-09-20 | 2016-05-18 | 三浦工业株式会社 | Reverse osmosis membrane separation device |
| CN106149804A (en) * | 2015-04-28 | 2016-11-23 | 博尔富（江苏）实业有限公司 | Water purification machine control system of invariable pressure |
| CN107115792A (en) * | 2017-06-09 | 2017-09-01 | 长春莱博帕特科技发展有限公司 | A kind of counter-infiltration current constant pressure water supply system |
| CN107140712A (en) * | 2017-05-23 | 2017-09-08 | 核工业理化工程研究院华核新技术开发公司 | The adjusting means of permeable membrane flow |
| CN107176653A (en) * | 2017-06-09 | 2017-09-19 | 长春莱博帕特科技发展有限公司 | A kind of adjustable water pump protection system of range hydraulic pressure |
| CN107967000A (en) * | 2016-10-20 | 2018-04-27 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus, flow rate control method and current velocity controller |
-
2008
- 2008-06-25 CN CN200810115617A patent/CN101613141A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585077A (en) * | 2011-09-20 | 2016-05-18 | 三浦工业株式会社 | Reverse osmosis membrane separation device |
| CN105585077B (en) * | 2011-09-20 | 2018-05-15 | 三浦工业株式会社 | Reverse osmosis membrane separation device |
| CN103787457A (en) * | 2012-10-30 | 2014-05-14 | 苏州卓融水处理科技有限公司 | Novel environment-friendly water treatment method and system |
| CN103787461A (en) * | 2012-11-05 | 2014-05-14 | 苏州卓融水处理科技有限公司 | Environment-friendly water treatment system |
| CN106149804A (en) * | 2015-04-28 | 2016-11-23 | 博尔富（江苏）实业有限公司 | Water purification machine control system of invariable pressure |
| CN107967000A (en) * | 2016-10-20 | 2018-04-27 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus, flow rate control method and current velocity controller |
| CN107140712A (en) * | 2017-05-23 | 2017-09-08 | 核工业理化工程研究院华核新技术开发公司 | The adjusting means of permeable membrane flow |
| CN107115792A (en) * | 2017-06-09 | 2017-09-01 | 长春莱博帕特科技发展有限公司 | A kind of counter-infiltration current constant pressure water supply system |
| CN107176653A (en) * | 2017-06-09 | 2017-09-19 | 长春莱博帕特科技发展有限公司 | A kind of adjustable water pump protection system of range hydraulic pressure |
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Open date: 20091230 |