CN103408152A - Multistage purification system of high purity water - Google Patents
Multistage purification system of high purity water Download PDFInfo
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- CN103408152A CN103408152A CN2013103135025A CN201310313502A CN103408152A CN 103408152 A CN103408152 A CN 103408152A CN 2013103135025 A CN2013103135025 A CN 2013103135025A CN 201310313502 A CN201310313502 A CN 201310313502A CN 103408152 A CN103408152 A CN 103408152A
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Abstract
The invention provides a multistage purification system of high purity water. The multistage purification system comprises a pretreatment unit, a reverse osmosis unit and a high purity water purification unit which are connected successively; the reverse osmosis unit comprises a first grade high pressure pump and a first grade reverse osmosis device which are connected successively; the high purity water purification unit comprises an EDI device, a mixed-bed device and an ultrafiltration filter which are connected successively; the pretreatment unit is connected to the first grade high pressure pump; the pretreatment unit is capable of providing water that meets water inlet requirements of the reverse osmosis unit; and the first grade reverse osmosis device is used for providing the EDI device with water. The multistage purification system is capable of producing water with high purity, and is reasonable in design; and purification cost is reduced.
Description
Technical field
The invention belongs to the water field of purification, especially relates to a kind of high purity water stage purification system.
Background technology
General treating plant is difficult to prepare highly purified water in existing technology, and it is all higher to purify equipment manufacturing cost and the energy consumption of highly purified water, and, because the equipment for preparing high purity water is generally all more astute, therefore is easy to damage.
Summary of the invention
The problem that the invention will solve is to provide a kind of high purity water stage purification system.
For solving the problems of the technologies described above, the technical scheme that the invention is adopted is: high purity water stage purification system, comprise the pretreatment unit, reverse osmosis units and the high purity water clean unit that connect successively, described reverse osmosis units comprises one-level high-pressure pump and the first-stage reverse osmosis device connected successively;
Described high purity water clean unit comprises EDI device, mixed bed equipment and the ultra filtration filter connected successively;
Described pretreatment unit is connected with described one-level high-pressure pump, and described pretreatment unit can provide the water that meets the reverse osmosis unit flow condition, and the product mouth of a river of described first-stage reverse osmosis device is connected with described EDI device, and described EDI device is supplied water.
Described reverse osmosis units comprises secondary high-pressure pump and the second level reverse osmosis apparatus connected successively, and the water-in of described secondary high-pressure pump connects the product mouth of a river that described one-level is oozed reverse osmosis unit, and described second level reverse osmosis apparatus is that described EDI device supplies water.
Described reverse osmosis units comprises one-level pure water tank and secondary pure water tank, and described first-stage reverse osmosis device, described one-level pure water tank and described secondary high-pressure pump are connected successively, and described second level reverse osmosis apparatus, described secondary pure water tank and described EDI device are connected successively.
Between described secondary pure water tank and described EDI device, be connected with ultraviolet sterilizer.
Described reverse osmosis units comprises medicine tank-washer and the scavenging pump connected successively, and described scavenging pump outlet is connected with described first-stage reverse osmosis device, and described one-level pure water tank is connected with described scavenging pump entrance.
Comprise the metering chemicals feeder, described metering chemicals feeder is connected with described intermediate water tank.
Described pretreatment unit comprises former water pot, raw water pump, more medium filter, activated charcoal filter, Na-ion exchanger, accurate filter and the intermediate water tank connected successively, and described intermediate water tank is connected with described one-level high-pressure pump.
Comprise central controller, the described raw water pump of described central controller controls, described more medium filter, described activated charcoal filter, described Na-ion exchanger, described accurate filter, described one-level, secondary high-pressure pump, described one-level, second level reverse osmosis apparatus, described metering chemicals feeder, described scavenging pump, described ultraviolet sterilizer, described EDI device, described mixed bed equipment and described ultra filtration filter.
In described former water pot, described intermediate water tank, described one-level pure water tank and described secondary pure water tank, be equipped with high level sensor and low level sensor, in described intermediate water tank, have the pH detector, described high and low level sensor all is connected with described central controller with described pH detector.
Described one-level high-pressure pump and described secondary high-pressure pump entery and delivery port place are provided with respectively low pressure sensor and high pressure sensor, and described high and low pressure sensor all is connected with described central controller.
Advantage and positively effect that the invention has are: owing to adopting technique scheme, can not only prepare high purity water, and preparation cost and all reductions greatly of energy consumption, in this system, also have a plurality of points that prevent structure deteriorate, greatly improve the work-ing life of equipment, improved the quality of producing water.
The accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the invention.
In figure:
1, former water pot 2, raw water pump 3, more medium filter
4, activated charcoal filter 5, Na-ion exchanger 6, accurate filter
7, metering chemicals feeder 8, intermediate water tank 9, one-level high-pressure pump
10, first-stage reverse osmosis device 11, scavenging pump 12, medicine tank-washer
13, one-level pure water tank 14, secondary high-pressure pump 15, second level reverse osmosis apparatus
16, secondary pure water tank 17, ultraviolet sterilizer 18, EDI device
19, mixed bed equipment 20, ultra filtration filter 21, high purity water outlet
Embodiment
As shown in Figure 1, the invention provides a kind of high purity water stage purification system, comprises the pretreatment unit, reverse osmosis units and the high purity water clean unit that connect successively, and reverse osmosis units comprises one-level high-pressure pump 9 and the first-stage reverse osmosis device 10 connected successively;
The high purity water clean unit comprises EDI device 18, mixed bed equipment 19 and the ultra filtration filter 20 connected successively;
Pretreatment unit is connected with one-level high-pressure pump 9, and pretreatment unit can provide the water that meets the reverse osmosis unit flow condition, and the product mouth of a river of first-stage reverse osmosis device 10 is connected with EDI device 18, and EDI device 18 is supplied water.
Reverse osmosis units comprises secondary high-pressure pump 14 and the second level reverse osmosis apparatus 15 connected successively, and the water-in of secondary high-pressure pump 14 connects the product mouth of a river that one-level is oozed reverse osmosis unit 10, and second level reverse osmosis apparatus 15 is that EDI device 18 supplies water.
Reverse osmosis units comprises one-level pure water tank 13 and secondary pure water tank 16, and first-stage reverse osmosis device 10, one-level pure water tank 13 and secondary high-pressure pump 14 are connected successively, and second level reverse osmosis apparatus 15, secondary pure water tank 16 and EDI device 18 are connected successively.
Between secondary pure water tank 16 and EDI device 18, be connected with ultraviolet sterilizer 17.
Reverse osmosis units comprises medicine tank-washer 12 and the scavenging pump 11 connected successively, and scavenging pump 11 outlets are connected with first-stage reverse osmosis device 10, and one-level pure water tank 13 is connected with scavenging pump 11 entrances.
Comprise metering chemicals feeder 7, metering chemicals feeder 7 is connected with intermediate water tank 8.
Pretreatment unit comprises former water pot 1, raw water pump 2, more medium filter 3, activated charcoal filter 4, Na-ion exchanger 5, accurate filter 6 and the intermediate water tank 8 connected successively, and intermediate water tank 8 is connected with one-level high-pressure pump 9.
Comprise central controller, central controller controls raw water pump 2, more medium filter 3, activated charcoal filter 4, Na-ion exchanger 5, accurate filter 6, one-level, secondary high- pressure pump 9,14, one-level, second level reverse osmosis apparatus 10,15, metering chemicals feeder 7, scavenging pump 11, ultraviolet sterilizer 17, EDI device 18, mixed bed equipment 19 and ultra filtration filter 20.
In former water pot 1, intermediate water tank 8, one-level pure water tank 13 and secondary pure water tank 16, be equipped with high level sensor and low level sensor, in intermediate water tank 8, have the pH detector, high and low level sensor all is connected with central controller with the pH detector.
One-level high-pressure pump 9 and secondary high-pressure pump 14 entery and delivery port places are provided with respectively low pressure sensor and high pressure sensor, and the high and low pressure sensor all is connected with central controller.
The working process of this example: store former water in former water pot 1, guarantee that the whole system flow is even, have high and low level sensor in former water pot 1, automatically carry out moisturizing by central controller controls.Raw water pump 2 is sent into the former water in former water pot 1 in the more medium filter 3 in pretreatment unit, and except the impurity such as silt suspended particle in anhydrating, after removal of impurities, the turbidity of water is less than 2NTU; From out water more medium filter 3, enter activated charcoal filter 4, remove organism and chlorine residue in water; From activated charcoal filter 4 water out, flow into Na-ion exchanger 5, make water hardness be down to 0.1mg/l; Water after softening enters accurate filter 6, further removes mechanical magazine calcium magnesium residual in anhydrating etc.Water after pretreatment flows to intermediate water tank 8 and stores, water in intermediate water tank 8 meets the flow condition of reverse osmosis unit, in intermediate water tank 8, has high and low level sensor, by detecting the signal of high and low level sensor, the stoppage in transit of central controller controls system, for work-ing life, the maintenance water conditioning that extends the RO film, therefore on intermediate water tank 8, be connected with metering chemicals feeder 7, by central controller, measured the dosing metering of chemicals feeder 7 by the Numerical Control that detects the pH inductor block in intermediate water tank 8.
One-level high-pressure pump 9 is sent into the water in intermediate water tank 8 in first-stage reverse osmosis device 10, and provide reverse osmotic pressure to first-stage reverse osmosis device 10, water after first-stage reverse osmosis device 10 desalinations enters one-level pure water tank 13, secondary high-pressure pump 14 is sent into the water in one-level pure water tank 13 in second level reverse osmosis apparatus 15, and reverse osmotic pressure is provided for second level reverse osmosis apparatus 15, water after second level reverse osmosis apparatus 15 desalinations flows to secondary pure water tank 16, advancing of one-level high-pressure pump 9 and secondary high-pressure pump 14, exit low, high pressure sensor sends pressure signal to central controller, when due to insufficient water, when low pressure sensor detects hypotony or cause for a certain reason the high-pressure pump top hole pressure to be detected numerical value when too high, central controller will stop the operation of high-pressure pump in time, with the protection reverse osmosis unit, can not be damaged.
Water in secondary pure water tank 16 enters in EDI device 18 further desalination and deionizing after by ultraviolet sterilizer 17 sterilizations, make resistivity of water reach 16M Ω .cm, through the further desalination of mixed bed equipment 19 and deionization, make resistivity of water reach 18M Ω .cm again.Finally by the broken resin in ultra filtration filter 20 filtering mixed bed equipment 19, high purity water outlet 21 places on ultra filtration filter 20 obtain satisfactory high purity water.
In addition when reverse osmosis unit is shut down; the RO film is in the condensed water of 4 times; when current are static, easily cause the pollution of film group, therefore need to clean it, therefore in this system, be provided with automatic flushing device; when shutting down, automatically clean; when reverse osmosis unit was shut down, central controller automatically cut out the water intaking valve of reverse osmosis unit and produces water valve, opens the pus bleed valve; start simultaneously scavenging pump 11, utilize the water in one-level pure water tank 13 to clean reverse osmosis unit.
Because reverse osmosis unit has material at RO film surface deposition after operation for some time, pollute and fouling, therefore need regularly with chemical agent, it thoroughly to be cleaned, now can utilize the medicine tank-washer 12 be connected with scavenging pump 11 to carry out this maintenance operation.
An above embodiment to the invention has been described in detail, but content only is the preferred embodiment of the invention, can not be considered to be used to limiting the practical range of the invention.All equalizations of doing according to the invention application range change and improve etc., within all should still belonging to the patent covering scope of the invention.
Claims (10)
1. high purity water stage purification system is characterized in that: comprise the pretreatment unit, reverse osmosis units and the high purity water clean unit that connect successively, described reverse osmosis units comprises one-level high-pressure pump (9) and the first-stage reverse osmosis device (10) connected successively;
Described high purity water clean unit comprises EDI device (18), mixed bed equipment (19) and the ultra filtration filter (20) connected successively;
Described pretreatment unit is connected with described one-level high-pressure pump (9), described pretreatment unit can provide the water that meets the reverse osmosis unit flow condition, the product mouth of a river of described first-stage reverse osmosis device (10) is connected with described EDI device (18), and described EDI device (18) is supplied water.
2. purification system according to claim 1, it is characterized in that: described reverse osmosis units comprises secondary high-pressure pump (14) and the second level reverse osmosis apparatus (15) connected successively, the water-in of described secondary high-pressure pump (14) connects the product mouth of a river that described one-level is oozed reverse osmosis unit (10), and described second level reverse osmosis apparatus (15) is that described EDI device (18) supplies water.
3. purification system according to claim 2, it is characterized in that: described reverse osmosis units comprises one-level pure water tank (13) and secondary pure water tank (16), described first-stage reverse osmosis device (10), described one-level pure water tank (13) and described secondary high-pressure pump (14) are connected successively, and described second level reverse osmosis apparatus (15), described secondary pure water tank (16) and described EDI device (18) are connected successively.
4. purification system according to claim 3, is characterized in that: be connected with ultraviolet sterilizer (17) between described secondary pure water tank (16) and described EDI device (18).
5. purification system according to claim 3, it is characterized in that: described reverse osmosis units comprises medicine tank-washer (12) and the scavenging pump (11) connected successively, described scavenging pump (11) outlet is connected with described first-stage reverse osmosis device (10), and described one-level pure water tank (13) is connected with described scavenging pump (11) entrance.
6. purification system according to claim 1 is characterized in that: comprise metering chemicals feeder (7), described metering chemicals feeder (7) is connected with described intermediate water tank (8).
7. according to the described purification system of any one in claim 1 to 6, it is characterized in that: described pretreatment unit comprises former water pot (1), raw water pump (2), more medium filter (3), activated charcoal filter (4), Na-ion exchanger (5), accurate filter (6) and the intermediate water tank (8) connected successively, and described intermediate water tank (8) is connected with described one-level high-pressure pump (9).
8. purification system according to claim 7, it is characterized in that: comprise central controller, the described raw water pump of described central controller controls (2), described more medium filter (3), described activated charcoal filter (4), described Na-ion exchanger (5), described accurate filter (6), described one-level, secondary high-pressure pump (9, 14), described one-level, second level reverse osmosis apparatus (10, 15), described metering chemicals feeder (7), described scavenging pump (11), described ultraviolet sterilizer (17), described EDI device (18), described mixed bed equipment (19) and described ultra filtration filter (20).
9. purification system according to claim 8, it is characterized in that: be equipped with high level sensor and low level sensor in described former water pot (1), described intermediate water tank (8), described one-level pure water tank (13) and described secondary pure water tank (16), described intermediate water tank has the pH detector in (8), and described high and low level sensor all is connected with described central controller with described pH detector.
10. purification system according to claim 8, it is characterized in that: described one-level high-pressure pump (9) and described secondary high-pressure pump (14) entery and delivery port place are provided with respectively low pressure sensor and high pressure sensor, and described high and low pressure sensor all is connected with described central controller.
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| CN2013103135025A CN103408152A (en) | 2013-07-24 | 2013-07-24 | Multistage purification system of high purity water |
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| CN2013103135025A CN103408152A (en) | 2013-07-24 | 2013-07-24 | Multistage purification system of high purity water |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880213A (en) * | 2014-03-21 | 2014-06-25 | 苏州腾纳环保科技有限公司 | Tap water purification technique |
| CN104150663A (en) * | 2014-08-31 | 2014-11-19 | 晨氏（天津）科技有限公司 | Ultrapure water producing system |
| CN106336053A (en) * | 2016-09-23 | 2017-01-18 | 合肥信达膜科技有限公司 | Membrane extraction system for pure water from seawater |
| CN106745519A (en) * | 2016-12-15 | 2017-05-31 | 江门市腾飞科技有限公司 | Heavy metal centralized detecting and the system and its detection method interactive with water purifier in water |
| WO2017152314A1 (en) * | 2016-03-05 | 2017-09-14 | 马骏 | Multi-stage reverse-osmosis filtration system based on wheatstone bridge measurement principle |
| CN110642441A (en) * | 2019-10-31 | 2020-01-03 | 深圳恒通源环保科技有限公司 | Ultrapure water preparation system |
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| CN202246314U (en) * | 2011-09-13 | 2012-05-30 | 深圳恒通源水处理科技有限公司 | Water treatment system for polycrystalline silicon production |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880213A (en) * | 2014-03-21 | 2014-06-25 | 苏州腾纳环保科技有限公司 | Tap water purification technique |
| CN104150663A (en) * | 2014-08-31 | 2014-11-19 | 晨氏（天津）科技有限公司 | Ultrapure water producing system |
| WO2017152314A1 (en) * | 2016-03-05 | 2017-09-14 | 马骏 | Multi-stage reverse-osmosis filtration system based on wheatstone bridge measurement principle |
| CN106336053A (en) * | 2016-09-23 | 2017-01-18 | 合肥信达膜科技有限公司 | Membrane extraction system for pure water from seawater |
| CN106745519A (en) * | 2016-12-15 | 2017-05-31 | 江门市腾飞科技有限公司 | Heavy metal centralized detecting and the system and its detection method interactive with water purifier in water |
| CN110642441A (en) * | 2019-10-31 | 2020-01-03 | 深圳恒通源环保科技有限公司 | Ultrapure water preparation system |
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Application publication date: 20131127 |
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