CN205133309U - Seven cores of two -stage process load in mixture reverse osmosis unit - Google Patents
Seven cores of two -stage process load in mixture reverse osmosis unit Download PDFInfo
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- CN205133309U CN205133309U CN201520941910.XU CN201520941910U CN205133309U CN 205133309 U CN205133309 U CN 205133309U CN 201520941910 U CN201520941910 U CN 201520941910U CN 205133309 U CN205133309 U CN 205133309U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
The utility model provides a seven cores of two -stage process load in mixture reverse osmosis unit, including one section reverse osmosis unit and two -stage process reverse osmosis unit, the dense pond of dense water end (W. E. ) connection of clean water basin, two -stage process reverse osmosis unit is all connected to the product water end (W. E. ) of one section reverse osmosis unit and two -stage process reverse osmosis unit, one section reverse osmosis unit includes a plurality of one section pressure vessel, and it has seven one section film elements all to establish ties among every pressure vessel, adopts antipollution bitter membrane, two -stage process reverse osmosis unit includes a plurality of two -stage process pressure vessel, and it has seven two -stage process film elements all to establish ties among every two -stage process pressure vessel, adopts the seawater desalination membrane. The utility model discloses a mode of processing that the one -level is two sections, one section is adopted antipollution bitter membrane, and the two -stage process adopts the seawater desalination membrane, can improve system's rate of recovery when quality of water is better, increases water production, when quality of water was relatively poor, the operation of the antipollution bitter membrane of one section reverse osmosis unit did not have problems, and the seawater desalination membrane full play of two -stage process reverse osmosis unit acts on, guarantees the entire system steady operation.
Description
Technical field
The utility model relate to a kind of for seawater or pit water (there is the features such as low turbid, high rigidity, low alkalinity, high saliferous) more economically, efficient two section of seven core load in mixture reverse osmosis unit; More particularly, for seawater or pit water (TDS is greater than 20000mg/L, and hardness is about 5000mg/L), design one-level two sections, one section of reverse osmosis units adopts antipollution brackish water film, and two sections of reverse osmosis units adopt sea water desalination membrane.
Background technology
Pit water is a kind of source of pollution with industry characteristic, is again a kind of water resources of preciousness.The a lot of colliery of current China serious water shortage on the one hand, unprocessed directly outer row, causes the waste of great lot of water resources on the other hand, and contaminate environment.Therefore, using after coal mine water treatment as coal industry field water or Drinking Water, not only solve mining area water shortage problem, and take full advantage of pit water water resources, save groundwater resource, there is obvious economy, environmental and social benefits.
Highly-mineralized mine water has the feature of low turbid, high rigidity, low alkalinity, and for this type of waste water, except the pre-technique of employing tradition is removed except suspended substance and hardness, its critical process is exactly desalination.Current most widely used general, comparatively ripe desalination means have the technology such as membrane concentration, thermal evaporation, electrodialysis, reverse osmosis desalination is other desalination plants comparatively, as: vaporizer, electrodialysis etc., have original characteristics and advantages, but conventional reverse osmosis technique also exists some problems, dirty bridging dirt as easy in film, cleaning is frequent, the problems such as operation energy consumption is high, and the film replacement cycle is short.
At present, although the reverse-osmosis treated technology for desalination in trade effluent is open more, but for nearly seawater quality, the pit water of supersalinity, high salinity, the conventional situation of one-level multistage that adopts increases reclamation rate, reverse osmosis membrane then generally selects sea water desalination membrane, although the system that can ensure normally is run and the relatively high rate of recovery, operation energy consumption is higher and one-time investment is larger.
Utility model content
For common process Problems existing, the utility model provides a kind of two section of seven core to load in mixture reverse osmosis unit, and wherein one section of reverse osmosis units adopts antipollution brackish water film, and two sections of reverse osmosis units adopt sea water desalination membrane.
The utility model provides a kind of two section of seven core to load in mixture reverse osmosis unit, comprise one section of reverse osmosis units, the dense water end (W.E.) of described one section of reverse osmosis units connects two sections of reverse osmosis units, described one section of reverse osmosis units is all connected clean water basin with the product water end (W.E.) of two sections of reverse osmosis units, and the dense water end (W.E.) of described two sections of reverse osmosis units connects dense pond; Described one section of reverse osmosis units comprises one section of pressurized vessel of multiple parallel connection, is all in series with seven one section of membrane elements in each one section of pressurized vessel, and described one section of membrane element adopts antipollution brackish water film; Described two sections of reverse osmosis units comprise two sections of pressurized vessels of multiple parallel connection, are all in series with seven two-segment film elements in each two sections of pressurized vessels, and described two-segment film element adopts sea water desalination membrane.
Further, also comprise reverse osmosis boosting pump, described reverse osmosis boosting pump sequentially passes through line mixer, cartridge filter, the described one section of reverse osmosis units of reverse osmosis high-pressure pump connection.
Further, described one section of reverse osmosis units and two sections of reverse osmosis units are all connected with reverse osmosis cleaning inhalent siphon and reverse osmosis cleaning return water pipe.
The advantage that the utility model has is:
The utility model provide a kind of for seawater or pit water (low turbid, high rigidity, low alkalinity, high salinity) more economically, efficient two section of seven core load in mixture reverse osmosis unit; More particularly, for seawater or pit water, (TDS is greater than 20000mg/L, hardness is about 5000mg/L), design adopts the processing mode of one-level two sections, and one section adopts antipollution brackish water film, two sections adopt sea water desalination membrane, system recoveries rate can be improved when water quality is better, increase water production rate, when water quality is poor, the antipollution brackish water film of one section of reverse osmosis units runs and does not have problems, and the sea water desalination membrane of two sections of reverse osmosis units plays one's part to the full and ensures the steady running of whole system energy.Each pressurized vessel all assembles 7 membrane elements, pressurized vessel quantity can be reduced by this kind of assembling mode, by ROSA software simulation, minimum concentrated stream amount is at first paragraph the 7th film, be conducive to the fouling alleviating two sections of dense water sides, minimax water production rate difference is less, evenly it is higher often to prop up film utilization ratio.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of two section of seven core that the utility model relates to loads in mixture reverse osmosis unit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The utility model provides a kind of two section of seven core to load in mixture reverse osmosis unit, as shown in Figure 1, enters line mixer 2, add Scale inhibitors, reductive agent in line mixer 2 through pretreated seawater or pit water 10 by reverse osmosis boosting pump 1.Cartridge filter 3 is entered after dosing mixing, reverse osmosis high-pressure pump 4 is connected at cartridge filter 3 output terminal, and the water inlet/outlet connecting pipe road of reverse osmosis high-pressure pump 4 is also provided with pressure switch, former water after reverse osmosis high-pressure pump 4 supercharging enters in one section of reverse osmosis units 5 and carries out desalting treatment, one section of reverse osmosis units 5 adopts antipollution brackish water film, it comprises one section of pressurized vessel of multiple parallel connection, each one section of pressurized vessel has all been installed in series seven one section of membrane elements, each one section of membrane element all adopts antipollution brackish water film, the product water processed through one section of reverse osmosis units 5 enters clean water basin by water producing pipe 11, and dense water enters continuation process in two sections of reverse osmosis units 7 after inter-section booster 6 pressurizes.Described two sections of reverse osmosis units 7 adopt sea water desalination membrane, and it comprises two sections of pressurized vessels of multiple parallel connection, and each two sections of pressurized vessels are all in series with seven two-segment film elements, and two-segment film element all adopts sea water desalination membrane.The product water of described two sections of reverse osmosis units 7 produces water end (W.E.) by water producing pipe 11 and enters clean water basin, and dense water is discharged into dense pond 9 by dense water end (W.E.).Wherein one section of reverse osmosis units 5 and two sections of reverse osmosis units 7 are all connected with reverse osmosis cleaning inhalent siphon 12 and reverse osmosis cleaning return water pipe 8, and the water outlet of reverse osmosis cleaning return water pipe 8 re-uses as water for cleaning backwater.
In the utility model, one section of reverse osmosis units 5 and two sections of reverse osmosis units 7 are all made up of multiple pressurized vessel, and concrete quantity is determined by the design flux of water production rate and one section of membrane element, two-segment film element.All assemble 7 membrane elements inside each one section of pressurized vessel and two sections of pressurized vessels, each membrane element is series relationship, namely intakes by first membrane element, and the dense water of first membrane element enters second membrane element, successively until the 7th membrane element.The product water often propping up membrane element is all collected by pipe core.
The concrete technology adopting above-mentioned two section of seven core to load in mixture reverse osmosis unit process comprises following step:
(1) enter line mixer 2 through pretreated seawater or pit water by reverse osmosis boosting pump 1, in line mixer 2, add Scale inhibitors, reductive agent.After dosing mixing, enter cartridge filter 3, remove oarse-grained pollutent, ensure the smooth running of one section of reverse osmosis units 5;
(2) step (1) water outlet enters one section of reverse osmosis units 5 through reverse osmosis high-pressure pump 4, carries out desalting treatment;
(3) the product water of step (2) one sections of reverse osmosis units 5 enters clean water basin, and the dense water of one section of reverse osmosis 5 enters step (4);
(4) one section of dense water of reverse osmosis units 5 of step (3) enters two sections of reverse osmosis units 7 through inter-section booster 6, carries out further desalting treatment;
(5) the product water of two sections of reverse osmosis units 7 of step (4) enters clean water basin, and the concentrated water drainage of two sections of reverse osmosis units 7 enters dense pond 9 and focuses on.
One section of reverse osmosis units 5 adopts antipollution brackish water film, one section of the highest permission working pressure of membrane element design is 41bar, one section of membrane element design feed pressure 30-39bar, the water production rate of first one section of membrane element in each pressurized vessel of one section of reverse osmosis units 5 differs less with the water production rate of the 7th one section of membrane element, evenly the utilising efficiency of often propping up one section of membrane element is higher.
Two sections of reverse osmosis units 7 adopt sea water desalination membrane, two-segment film element design the highest permission working pressure 83bar, intersegmental supercharging is adopted between one section of reverse osmosis units 5 and two sections of reverse osmosis units 7, the design feed pressure 45-70bar of two-segment film element, the water production rate of first two-segment film element in each pressurized vessel differs less with the 7th two-segment film water production rate, evenly the utilising efficiency of often propping up film is higher.
Whole process Chinese medicine kind is Scale inhibitors, reductive agent, NaOH, HCl, before the means for feeding acid chemical feeding points wherein before one section of reverse osmosis units 5 and the reverse osmosis of two sections of reverse osmosis units 7 is advanced to the water inlet of pretreated seawater or pit water 10.Namely the chemical feeding points of described Scale inhibitors, reductive agent carries out in line mixer 2 before being arranged on and often overlapping reverse osmosis units water inlet.One section of reverse osmosis units 5 and two sections of reverse osmosis units 7 increase adder-subtractor when rinsing, and every day is program control regularly to be added, and is conducive to alleviating the fouling etc. of Organic pollutants in reverse osmosis membrane, particle and colloid.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that the utility model is specifically implemented to be confined to these explanations above-mentioned.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple modifications or replacement can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. two sections of seven cores load in mixture reverse osmosis unit, it is characterized in that: comprise one section of reverse osmosis units, the dense water end (W.E.) of described one section of reverse osmosis units connects two sections of reverse osmosis units, described one section of reverse osmosis units is all connected clean water basin with the product water end (W.E.) of two sections of reverse osmosis units, and the dense water end (W.E.) of described two sections of reverse osmosis units connects dense pond; Described one section of reverse osmosis units comprises one section of pressurized vessel of multiple parallel connection, is all in series with seven one section of membrane elements in each one section of pressurized vessel, and described one section of membrane element adopts antipollution brackish water film; Described two sections of reverse osmosis units comprise two sections of pressurized vessels of multiple parallel connection, are all in series with seven two-segment film elements in each two sections of pressurized vessels, and described two-segment film element adopts sea water desalination membrane.
2. two section of seven core according to claim 1 loads in mixture reverse osmosis unit, it is characterized in that: also comprise reverse osmosis boosting pump, and described reverse osmosis boosting pump sequentially passes through line mixer, cartridge filter, the described one section of reverse osmosis units of reverse osmosis high-pressure pump connection.
3. two section of seven core according to claim 1 loads in mixture reverse osmosis unit, it is characterized in that: described one section of reverse osmosis units and two sections of reverse osmosis units are all connected with reverse osmosis cleaning inhalent siphon and reverse osmosis cleaning return water pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520941910.XU CN205133309U (en) | 2015-11-24 | 2015-11-24 | Seven cores of two -stage process load in mixture reverse osmosis unit |
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| CN201520941910.XU CN205133309U (en) | 2015-11-24 | 2015-11-24 | Seven cores of two -stage process load in mixture reverse osmosis unit |
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| CN205133309U true CN205133309U (en) | 2016-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052729A (en) * | 2018-09-11 | 2018-12-21 | 博天环境集团股份有限公司 | A kind of processing system and processing method of coal mine drainage water |
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- 2015-11-24 CN CN201520941910.XU patent/CN205133309U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052729A (en) * | 2018-09-11 | 2018-12-21 | 博天环境集团股份有限公司 | A kind of processing system and processing method of coal mine drainage water |
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