CN203373213U - Primary reverse osmosis concentrated water saving device of pure water system - Google Patents
Primary reverse osmosis concentrated water saving device of pure water system Download PDFInfo
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- CN203373213U CN203373213U CN201320430700.5U CN201320430700U CN203373213U CN 203373213 U CN203373213 U CN 203373213U CN 201320430700 U CN201320430700 U CN 201320430700U CN 203373213 U CN203373213 U CN 203373213U
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- reverse osmosis
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- water inlet
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Abstract
The utility model relates to a primary reverse osmosis concentrated water saving device of a pure water system. One end of a water inlet manifold is connected with the concentrated water side of a primary reverse osmosis filtering device, and a total water inlet valve and a water inlet pressure gage are installed on the water inlet manifold; a plurality of pre-filters are connected in parallel, the water inlet ends of the pre-filters are connected with the water inlet manifold through water inlet pipelines, and water inlet valves are installed on the water inlet pipeline; the water outlet ends of the pre-filters are connected with a water outlet manifold through water outlet pipelines, water outlet valves are installed on the water outlet pipelines, the water outlet manifold is divided into a qualified water pipeline and an unqualified water pipeline, the qualified water pipeline is communicated to a front water tank through a first pneumatic valve and a manual valve, and the unqualified water pipeline is discharged to a sewer through a second pneumatic valve; the drainage end of each pre-filter is connected with a main drain through a drainage pipeline, and the main drain is communicated to the sewer. The primary reverse osmosis concentrated water saving device provided by the utility model is simple and reasonable in structure and capable of reducing the water treatment quantity of a preceding stage device, reducing the emission of wastewater, improving the utilization rate of energy sources and reducing the consumption of tap water in a water preparation process.
Description
Technical field
The utility model relate in the purified water production system, use obtain the device of water rate for improving water processed, specifically the dense water-saving device of a kind of pure water system first-stage reverse osmosis, belong to water-treatment technology field.
Background technology
In the production process of purified water, in generally all using reverse osmosis unit to make a return journey to dewater before the filtration unit mechanical impurity, organism and the 99% above ion that do not filter out, obtain purified water.In this operating process, water must be by passing through the reverse osmosis membrane in reverse osmosis unit after pressurization, and the water after pressurization has seen through reverse osmosis membrane is purified water, is fed to next flow process through the water purified and continues purify or used.And the dense water that contains mechanical impurity, organism and ion at the opposite side of film along with current are discharged reverse osmosis unit.In general, the ratio of purifying waste water with intaking of reverse osmosis unit is 70% left and right, the water after the pressurization has seen through the reverse osmosis membrane in the first-stage reverse osmosis filtration unit, obtain 70% purify waste water, also had 30% dense water of 0.7MPa pressure by being discharged in municipal sewage pipe network after reducing pressure simultaneously.The problems such as such treatment process exists wastewater discharge large, and energy utilization rate is low.
Reverse osmosis membrane in reverse osmosis unit is after the filtration through certain discharge, and its intermembranous pressure reduction that produces water conductivity rising, flow decline, influent side and product water side increases.Now reverse osmosis membrane must be changed the normal production of ability keeping system.As a rule, when the specific conductivity of reverse osmosis membrane is greater than 20 μ s, just need to change, the reverse osmosis membrane of changing is just processed as rubbish later, and resource utilization is low.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of pure water system first-stage reverse osmosis dense water-saving device, it is simple and reasonable for structure, for being installed at the first-stage reverse osmosis filtration unit, the overbottom pressure of utilizing the dense water side of first-stage reverse osmosis filtration unit is purified 30% dense water, can reduce the water treatment amount of front stage arrangement, reduces the discharge of waste water, improve energy utilization rate, reduce the consumption of tap water in water process processed.
The technical scheme provided according to the utility model: the dense water-saving device of pure water system first-stage reverse osmosis, it is characterized in that: comprise water inlet manifold, outfall sewer, main drain and several fore filters, described water inlet manifold one end connects the dense water side of first-stage reverse osmosis filtration unit, and water inlet main valve and inlet gage are installed on water inlet manifold; Described several fore filters are connected in parallel, and the feed-water end of fore filter connects water inlet manifold by inlet channel, and water intaking valve is installed on inlet channel; The water side of described fore filter connects outfall sewer by outlet conduit, outlet valve is installed on outlet conduit, along water (flow) direction, water flow instrument, water outlet conductivity table and discharge pressure table are installed successively on outfall sewer, outfall sewer is divided into water lines up to standard and water lines not up to standard after the discharge pressure table, water lines up to standard is communicated to the front water tank of first-stage reverse osmosis filtration unit through the first pneumavalve and manual valve, water lines not up to standard drains into water drain through the second pneumavalve; Described water outlet conductivity table is by conventional controller and the first pneumavalve and the interlock of the second pneumavalve, and when water outlet conductivity does not reach the requirement of controller setting specific conductivity, the first pneumavalve cuts out, and the second pneumavalve is opened, and specific conductivity water not up to standard drains into water drain; When water outlet conductivity reaches the requirement of controller setting specific conductivity, the first pneumavalve is opened, and the second pneumavalve cuts out, and water up to standard is delivered to the front water tank of first-stage reverse osmosis filtration unit; The discharge ends of described fore filter connects main drain by drainage pipeline, water discharge valve is installed on drainage pipeline, along water (flow) direction, the dense water pressure table of secondary, draining main valve and secondary concentrated stream scale are installed successively on main drain, main drain is communicated to water drain.
As further improvement of the utility model, in described fore filter, reverse osmosis membrane used adopts specific conductivity to be greater than the reverse osmosis membrane of scrapping of 20 μ s.
As further improvement of the utility model, on described water inlet manifold, outfall sewer and main drain, be connected with respectively for injecting the detergent line of clean-out system, cleaning valve is installed in detergent line.
As further improvement of the utility model, be connected with sampling line on described outlet conduit, sampling valve is installed on sampling line.
As further improvement of the utility model, vacuum breaker also is installed on described main drain, this vacuum breaker is between the dense water pressure table of secondary and draining main valve.
compared with prior art, advantage is the utility model:the utility model is simple and reasonable for structure, for being installed at the first-stage reverse osmosis filtration unit, the overbottom pressure of utilizing the dense water side of first-stage reverse osmosis filtration unit is purified 30% dense water, water after purification is sent in the storage tank before the first-stage reverse osmosis filtration unit, as the part water inlet of first-stage reverse osmosis, can reduce the water treatment amount of front stage arrangement, reduce the discharge of waste water, improve energy utilization rate, reduce the consumption of tap water in water process processed.
The accompanying drawing explanation
The structure that Fig. 1 is the utility model embodiment and applicable cases schematic diagram.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in the figure: the dense water-saving device of pure water system first-stage reverse osmosis in embodiment mainly is comprised of water inlet manifold 1, outfall sewer 16, main drain 17 and ten fore filters 6, described water inlet manifold 1 one ends connect the dense water side of first-stage reverse osmosis filtration unit 23, and water inlet main valve 2 and inlet gage 3 are installed on water inlet manifold 1; Described ten fore filters 6 are connected in parallel, and the feed-water end of fore filter 6 connects water inlet manifold 1 by inlet channel, and water intaking valve 5 is installed on inlet channel; The water side of described fore filter 6 connects outfall sewer 16 by outlet conduit, outlet valve 9 is installed on outlet conduit, along water (flow) direction, water flow instrument 10, water outlet conductivity table 11 and discharge pressure table 12 are installed successively on outfall sewer 16, outfall sewer 16 is divided into water lines 16a up to standard and water lines 16b not up to standard after discharge pressure table 12, water lines 16a up to standard is communicated to the front water tank 22 of first-stage reverse osmosis filtration unit 23 through the first pneumavalve 13 and manual valve 15, water lines 16b not up to standard drains into water drain through the second pneumavalve 14; Described water outlet conductivity table 11 is by conventional controller and the first pneumavalve 13 and the second pneumavalve 14 interlocks, when water outlet conductivity does not reach the requirement of controller setting specific conductivity, the first pneumavalve 13 cuts out, and the second pneumavalve 14 is opened, and specific conductivity water not up to standard drains into water drain; When water outlet conductivity reaches the requirement of controller setting specific conductivity, the first pneumavalve 13 is opened, and the second pneumavalve 14 cuts out, and water up to standard is delivered to the front water tank 22 of first-stage reverse osmosis filtration unit 23; The discharge ends of described fore filter 6 connects main drain 17 by drainage pipeline, water discharge valve 7 is installed on drainage pipeline, along water (flow) direction, the dense water pressure of secondary table 18, draining main valve 20 and secondary concentrated stream scale 21 are installed successively on main drain 17, main drain 17 is communicated to water drain.
The dense water that water saving fixtures of the present utility model can be discharged first-stage reverse osmosis filtration unit 23 is utilized, rely on the pressure of the approximately 0.7MPa of first-stage reverse osmosis filtration unit 23 dense water sides that about 30% dense water is pressed in water saving fixtures of the present utility model again, filter and obtain secondary filtration product water by several fore filters 6, and send into water tank 22 before first-stage reverse osmosis, both improved the influent quality of first-stage reverse osmosis filtration unit 23, and made again the water rate that obtains of first-stage reverse osmosis filtration unit 23 bring up to more than 88% from 70%.
Generally electrical conductivity of water is 300 ~ 400 μ s from the beginning, after prime is processed before entering first-stage reverse osmosis during water tank 22 its specific conductivity substantially constant.When the secondary filtration of the dense water of first-stage reverse osmosis output after this water saving device produces its specific conductivity of water, be 45 ~ 60 μ s, after this secondary filtration produces water and the tap water of 300 ~ 400 μ s is mixed, make electrical conductivity of water in the front water tank 22 of first-stage reverse osmosis drop to 200 μ s left and right, greatly improved the influent quality of first-stage reverse osmosis filtration unit 23, and the decline due to the water inlet specific conductivity of first-stage reverse osmosis filtration unit 23, make the effluent quality of first-stage reverse osmosis filtration unit 23 also improve, water outlet conductivity 3 ~ 4 μ s that can descend.And the improvement of influent quality makes again be extended the work-ing life of the reverse osmosis membrane in first-stage reverse osmosis filtration unit 23.
And the specific conductivity that in described fore filter 6, reverse osmosis membrane used adopts normal water manufacturing system to scrap is greater than the reverse osmosis membrane of scrapping of 20 μ s, realized scrapping the utilization again of reverse osmosis membrane.Water saving fixtures of the present utility model carry out parallel combination to all fore filters 6, feed-water end, the water side of each fore filter 6 install valve additional, regulate the quantity that puts into operation of fore filter 6 by the switching of valve, thereby regulate the output that secondary filtration produces water.
In addition, on described water inlet manifold 1, outfall sewer 16 and main drain 17, be connected with respectively for injecting the detergent line of clean-out system, cleaning valve 4 is installed in detergent line; Can carry out routine cleaning to the utility model like this, guarantee filter effect of the present utility model.Be connected with sampling line on described outlet conduit, sampling valve 8 is installed on sampling line, can be inspected by random samples each fore filter 6 like this, determine whether its operation is normal.On described main drain 17, vacuum breaker 19 also is installed, this vacuum breaker 19, between secondary dense water pressure table 18 and draining main valve 20, can be protected the operation of this water saving equipment safety.
During concrete application, in ten fore filters 6, six groups of operations, close for four groups; When the flux of whole water saving fixtures descends, can open 6 operations of the 7th group of fore filter.
This water saving device takes full advantage of the residue performance of scrapping reverse osmosis membrane on the one hand, has extended the work-ing life of reverse osmosis membrane.Fully used on the other hand the overbottom pressure of the dense water side of first-stage reverse osmosis filtration unit 23, in the situation that keep first-stage reverse osmosis filtration unit 23 intermembranous pressure reduction constant, by opening the number of fore filter 6 quantity in this water saving device, utilize the overbottom pressure of concentrated water discharge to be filtered dense water, so this water saving device is without newly-increased power, the high-pressure pump energy is fully utilized.
Claims (5)
1. the dense water-saving device of pure water system first-stage reverse osmosis, it is characterized in that: comprise water inlet manifold (1), outfall sewer (16), main drain (17) and several fore filters (6), described water inlet manifold (1) one end connects the dense water side of first-stage reverse osmosis filtration unit (23), upper water inlet main valve (2) and the inlet gage (3) installed of water inlet manifold (1), described several fore filters (6) are connected in parallel, and the feed-water end of fore filter (6) connects water inlet manifold (1) by inlet channel, and water intaking valve (5) is installed on inlet channel, the water side of described fore filter (6) connects outfall sewer (16) by outlet conduit, outlet valve (9) is installed on outlet conduit, outfall sewer (16) is upper is equipped with water flow instrument (10) successively along water (flow) direction, water outlet conductivity table (11) and discharge pressure table (12), outfall sewer (16) is divided into water lines up to standard (16a) and water lines not up to standard (16b) afterwards at discharge pressure table (12), water lines up to standard (16a) is communicated to the front water tank (22) of first-stage reverse osmosis filtration unit (23) through the first pneumavalve (13) and manual valve (15), water lines not up to standard (16b) drains into water drain through the second pneumavalve (14), described water outlet conductivity table (11) is by conventional controller and the first pneumavalve (13) and the second pneumavalve (14) interlock, when water outlet conductivity does not reach the requirement of controller setting specific conductivity, the first pneumavalve (13) cuts out, the second pneumavalve (14) is opened, and specific conductivity water not up to standard drains into water drain, when water outlet conductivity reaches the requirement of controller setting specific conductivity, the first pneumavalve (13) is opened, and the second pneumavalve (14) cuts out, and water up to standard is delivered to the front water tank (22) of first-stage reverse osmosis filtration unit (23), the discharge ends of described fore filter (6) connects main drain (17) by drainage pipeline, water discharge valve (7) is installed on drainage pipeline, main drain (17) is upper is equipped with the dense water pressure table of secondary (18), draining main valve (20) and secondary concentrated stream scale (21) successively along water (flow) direction, and main drain (17) is communicated to water drain.
2. the dense water-saving device of pure water system first-stage reverse osmosis as claimed in claim 1 is characterized in that: in described fore filter (6), reverse osmosis membrane used adopts specific conductivity to be greater than the reverse osmosis membrane of scrapping of 20 μ s.
3. the dense water-saving device of pure water system first-stage reverse osmosis as claimed in claim 1, it is characterized in that: be connected with respectively for injecting the detergent line of clean-out system on described water inlet manifold (1), outfall sewer (16) and main drain (17), cleaning valve (4) is installed in detergent line.
4. the dense water-saving device of pure water system first-stage reverse osmosis as claimed in claim 1, is characterized in that: be connected with sampling line on described outlet conduit, sampling valve (8) is installed on sampling line.
5. the dense water-saving device of pure water system first-stage reverse osmosis as claimed in claim 1, it is characterized in that: vacuum breaker (19) also is installed on described main drain (17), and this vacuum breaker (19) is positioned between the dense water pressure table of secondary (18) and draining main valve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320430700.5U CN203373213U (en) | 2013-07-18 | 2013-07-18 | Primary reverse osmosis concentrated water saving device of pure water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320430700.5U CN203373213U (en) | 2013-07-18 | 2013-07-18 | Primary reverse osmosis concentrated water saving device of pure water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203373213U true CN203373213U (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320430700.5U Expired - Lifetime CN203373213U (en) | 2013-07-18 | 2013-07-18 | Primary reverse osmosis concentrated water saving device of pure water system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203373213U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395904A (en) * | 2013-07-18 | 2013-11-20 | 叶勋 | Primary reverse osmosis thick water water-saving device of water purification system |
| CN108249512A (en) * | 2018-01-31 | 2018-07-06 | 常州澳弘电子有限公司 | A kind of sewage disposal photoactivation water storage device |
-
2013
- 2013-07-18 CN CN201320430700.5U patent/CN203373213U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395904A (en) * | 2013-07-18 | 2013-11-20 | 叶勋 | Primary reverse osmosis thick water water-saving device of water purification system |
| CN103395904B (en) * | 2013-07-18 | 2014-09-17 | 叶勋 | Primary reverse osmosis thick water water-saving device of water purification system |
| CN108249512A (en) * | 2018-01-31 | 2018-07-06 | 常州澳弘电子有限公司 | A kind of sewage disposal photoactivation water storage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140101 Effective date of abandoning: 20140917 |
|
| RGAV | Abandon patent right to avoid regrant |