CN205011527U - Preparation facilities of high resistivity pure water - Google Patents
Preparation facilities of high resistivity pure water Download PDFInfo
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- CN205011527U CN205011527U CN201520574918.7U CN201520574918U CN205011527U CN 205011527 U CN205011527 U CN 205011527U CN 201520574918 U CN201520574918 U CN 201520574918U CN 205011527 U CN205011527 U CN 205011527U
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Abstract
The utility model discloses a preparation facilities of high resistivity pure water, including preceding stage processing apparatus, a precision filter, high -pressure pump, ultralow pressure RO device, buffer tank, buffering pump, the 2nd precision filter, EDI device and pure water case, buffering water pump and the 2nd precision filter between be provided with the check valve a precision filter's filter fineness be 5 mu m, the 2nd precision filter's filter fineness be 1 mu m, the EDI device before the pipeline on be provided with flowmeter and pressure gauge. The utility model discloses a preparation facilities of high resistivity pure water adopts single -stage reverse osmosis and EDI device to match, can guarantee that the water generation resistivity of EDI device is greater than 10M omega cm, adopts the ultralow press mold that the salt rejection is high effectively to coordinate the EDI device to expect much to the height of quality of water simultaneously, guarantees to intake to EDI and does not have the influence to reduction equipment and running cost.
Description
Technical field
The utility model relates to water-treatment technology field, particularly relates to a kind of preparation facilities of high resistivity pure water.
Background technology
Pure water, also known as deionized water, the water referring to meet drinking water sanitary standard is former water, by electrodialyzer method, ion-exchanger method, reverse osmosis method, distillation method and other suitable working methods, obtained is sealed in container, and not containing any additive, water white transparency, water capable of direct drinking, also can be called pure substance (chemically), use in test more.
Now, along with the development of electronic industry, the vital role of pure water in electronic industry especially Electronic Components Manufacturing becomes increasingly conspicuous, and pure water water quality has become affects electronic component products quality, one of the important factor of the qualification rate that manufactures a finished product and production cost, and water quality requirement is also more and more higher.In Electronic Components Manufacturing, high purity water is mainly used as water for cleaning and is used for preparing various solution, slurry, in different Electronic Components Manufacturing, the purposes of pure water is different, therefore also different to the requirement of water quality, the pure water of 10M Ω cm is greater than as just needed resistivity when solution mixes, usual employing EDI device can only ensure at 2M more than Ω cm, how to provide stable high resistivity water to become a technical problem in electronic industry.
Utility model content
The purpose of this utility model is the technological deficiency for existing in prior art, and provides a kind of preparation facilities of high resistivity pure water.
The technical scheme adopted for realizing the purpose of this utility model is:
A kind of preparation facilities of high resistivity pure water, comprise prime treatment unit, first accurate filter, high-pressure pump, ultralow pressure RO device, buffer tank, buffering pump, second accurate filter, EDI device and pure water tank, the filtering accuracy being provided with the first accurate filter described in vacuum breaker between described buffering water pump and the second accurate filter is 5 μm, the filtering accuracy of the second described accurate filter is 1 μm, pipeline before described EDI device is provided with under meter and pressure warning unit, the product mouth of a river of described EDI device is provided with ohmer, described buffering water pump respectively with under meter, the controller that pressure warning unit is connected with ohmer communication, described buffering water pump is connected with described controller is controlled with controlled starting or stopping.
Described prime treatment unit comprises the y-type filter, more medium filter, activated charcoal filter, raw water box, raw water pump and the full-automatic filter that are communicated with former water successively, and the first accurate filter is accessed at the product mouth of a river of described full-automatic filter.
Also comprise medicine cleaning device, pump washed by the medicine that described medicine cleaning device comprises medicine tank-washer, import is communicated with described medicine tank-washer, medicine is washed the drug-feeding tube that pump discharge is connected to the first accurate filter water-in side, and the dense water side outlet of RO device and product water side outlet are communicated to the liquid returning tube of medicine tank-washer respectively.
The water inlet pipe of described raw water box is provided with reducing valve.
Described more medium filter is quartz filter.
Described RO device comprises the RO film that 5 groups of series-parallel connection are arranged.
The water-in of first group of RO film and second group of RO film also accesses the water outlet of high-pressure pump, 3rd group of RO film is connected with the dense water side of second group of RO film with first group of RO film with the water-in of the 4th group of RO film, the water-in of the 5th group of RO film is connected with the dense water side of the 4th group of RO film with the 3rd group of RO film, the dense water side of the 5th group of described RO film connects blow-off pipe, and buffer tank is also accessed in the product water side of first group of described RO film, second group of RO film, the 3rd group of RO film, the 4th group of RO film and the 5th group of RO film.
Compared with prior art, the beneficial effects of the utility model are:
The preparation facilities of high resistivity pure water of the present utility model adopts single-stage reverse osmosis and EDI device to match, can ensure that the product water resistance rate of EDI device is greater than 10M Ω cm, adopt the high ultralow press mold of ratio of desalinization effectively to coordinate the high request of EDI device to water quality high simultaneously, ensure on EDI water inlet without impact, and reduce equipment and running cost.Pipeline before EDI device is simultaneously provided with under meter and pressure warning unit to control described buffered water pump startup or stopping, between described buffering water pump and the second accurate filter, is provided with vacuum breaker.The anterior pipeline of EDI device arranges traffic monitoring, pressure monitor, and when flow or pressure are lower than set(ting)value, namely the working shaft of EDI device cushions water pump and quit work, and prevents because flow or hypotony cause loss to EDI resin, and then ensures effluent quality.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the preparation facilities of high resistivity pure water of the present utility model;
Figure 2 shows that the structural representation of medicine cleaning device.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As illustrated in fig. 1 and 2, the preparation facilities of high resistivity pure water of the present utility model comprises the y-type filter 1 be communicated with former water successively, more medium filter, as quartz filter 2, activated charcoal filter 3, raw water box 4, raw water pump 5, full-automatic filter 6, first accurate filter 7, high-pressure pump 8, RO device 9, buffer tank 10, buffering pump 11, second accurate filter 12, EDI device 13 and pure water tank 14, pure water pump 15, the filtering accuracy being provided with the first accurate filter described in vacuum breaker between described buffering water pump and the second accurate filter is 5 μm, the filtering accuracy of the second described accurate filter is 1 μm, pipeline before described EDI device is provided with under meter and pressure warning unit, the product mouth of a river of described EDI device is provided with ohmer, described buffering water pump respectively with under meter, the controller that pressure warning unit is connected with ohmer communication, described buffering water pump is connected with described controller is controlled with controlled starting or stopping.
Accurate filter in order to remove the trace suspension granule foreign in water, thus meets the requirement of reverse osmosis membrane system to water inlet.Filter element of precision filter is polypropylene melt-blown material, is that one between coarse filtration and ultrafiltration is filtered, be former water under pressure by filter core, retained by the impurity in former water, accurate filter can remove the particulate in water, reaches decontamination effect improving.This filter core is significantly effective to reduction water inlet SDI.
Ultralow pressure RO device is the concentrated discharge of dissolved solid and the process of fresh water utilization, effectively can remove most inorganic salt, small organic molecule, bacterium etc. in water.The equipment with high desalinization ultralow pressure membrane element that native system selects Hydranautics advanced in the world to produce, operating pressure is low, and system ratio of desalinization is high, for improving water production rate and producing water ratio, preferably adopts the arrangement mode of 2:2:1.Namely described ultralow pressure RO device comprises the RO film that 5 groups of series-parallel connection are arranged.Wherein first group of RO film and second group of RO film water-in and access the water outlet of high-pressure pump, 3rd group of RO film is connected with the dense water side of second group of RO film with first group of RO film with the water-in of the 4th group of RO film, the water-in of the 5th group of RO film is connected with the dense water side of the 4th group of RO film with the 3rd group of RO film, the dense water side of the 5th group of described RO film connects blow-off pipe, and buffer tank is also accessed in the product water side of first group of described RO film, second group of RO film, the 3rd group of RO film, the 4th group of RO film and the 5th group of RO film.
The preparation facilities of high resistivity pure water of the present utility model adopts single-stage reverse osmosis and EDI device to match, can ensure that the product water resistance rate of EDI device is greater than 10M Ω cm, adopt the high ultralow press mold of ratio of desalinization effectively to coordinate the high request of EDI device to water quality high simultaneously, ensure on EDI water inlet without impact, and reduce equipment and running cost.Pipeline before EDI device is simultaneously provided with under meter and pressure warning unit to control described buffered water pump startup or stopping, between described buffering water pump and the second accurate filter, is provided with vacuum breaker.The anterior pipeline of EDI device arranges traffic monitoring, pressure monitor, and when flow or pressure are lower than set(ting)value, namely the working shaft of EDI device cushions water pump and quit work, and prevents because flow or hypotony cause loss to EDI resin, and then ensures effluent quality.
Ultralow pressure RO device and reverse osmosis unit normal run for some time after, the suspended substance that may exist during RO film and reverse osmosis membrane can be fed water or the pollution of difficulty soluble salt.Various suspended substance or indissoluble salt, at film surface deposition, block fenestra; Cause water production rate decline, produce water power lead rising, feed pressure increase.So the utility model also comprises medicine cleaning device, as shown in Figure 2, pump 16 washed by the medicine that described medicine cleaning device comprises medicine tank-washer 15, import is communicated with described medicine tank-washer, medicine is washed the drug-feeding tube 17 that pump discharge is connected to the first accurate filter water-in side A point, and the dense water side outlet C point of RO device and product water side outlet B point are communicated to the liquid returning tube 18 of medicine tank-washer respectively.The drug-feeding tube of the medicine cleaning device of RO device is arranged on the water-in side of the first accurate filter, i.e. A point.First accurate filter is arranged on before high-pressure pump, avoid the impact on high-pressure pump when medicine is washed, utilize the cooperation of raw water pump and high-pressure pump to realize water inlet to control, the strainer in technical process is utilized to filter processing solution, eliminate medicine wash before the strainer of separately joining, effectively control holistic cost, and the first accurate filter filtering accuracy is high, what effectively ensure that medicine washes carries out smoothly.After ultralow pressure RO film medicine is washed, change the first filter element of precision filter, can effectively save equipment and running cost.
Described prime treatment unit comprises the y-type filter, more medium filter, activated charcoal filter, raw water box, raw water pump and the full-automatic filter that are communicated with former water successively, and the first accurate filter is accessed at the product mouth of a river of described full-automatic filter.Wherein, quartz filter is the important preprocessing device of reverse osmosis system, it utilizes a kind of filtration medium, under pressure water higher for turbidity is removed by certain thickness granular or on-granulated material the process that suspended impurity makes clarification of water effectively, its effect is the impurity such as fine particle, suspended substance, colloid that the former water-band of filtering is come, thus ensures its water outlet SDI (pollution index)≤4.When water containing these impurity flows through the filtering layer of more medium filter, screening effect is played to suspended substance in filtrate gap, makes suspended substance be adsorbed on filter material surface.When having dammed on filtrate top layer, a certain amount of dirt forms filter membrane, and the front and back pressure reduction passing strainer in time will improve very soon, until lost efficacy.Now need to utilize reverse current backwash filtrate, to make in strainer quartz sand layer suspend and loosen and mutually rub, thus the trapped substance being built-up in quartz sand surface is peeled off and washed away, recover filtering function.The controller of more medium filter can realize whole auto-flushing process (comprise backwash, just wash), automatically run.Cleaning procedure can be adjusted at any time according to water source particular case, to ensure the normal operation of strainer simultaneously.
Activated charcoal filter can adsorb during prime is filtered the chlorine residue that cannot remove as the pre-treatment of water treatment desalination system, can effectively ensure rear class service life of equipment, improve effluent quality, preventing pollution, particularly prevent rear class reverse osmosis membrane, more than the free state of ion exchange resin etc., oxygen intoxication is polluted.Also adsorb simultaneously and leak the pollutants such as the small organic molecule of coming from prime, have obvious Adsorption effect to peculiar smell, colloid and pigment, heavy metal ion etc. in water, also there is the effect reducing COD.The SDI value of RO water inlet can be reduced further, ensure SDI<5, TOC<2.Oppm.
Automatical softener is fully contacted with ion exchange resin by former water, the sodium ion generation replacement(metathesis)reaction on the calcium in water, magnesium ion and resin, resin absorption calcium, magnesium ion and sodium ion enters in water, thus reach the object reducing hardness.And automatical softener is exactly each step realization control automatically being run by water softener and regenerate, usually adopt the modes such as time, flow or inductor block to start regeneration.This equipment adopts time controling whole working routine, regenerates and automatically starts regenerating unit by time controller, can designed, designed reproducer as required.
Because process water is larger, so the raw water box tank body of the preprocessing part in early stage is larger, for preventing raw water box from occurring that tank body has slight crack due to the too large life-time service of intake pressure, install reducing valve additional in water inlet place of raw water box.Simultaneously because service water amount determine according to factory's volume production, be underrange, pure water pump employing variable frequency control, with regulating pondage size at any time.
The above is only preferred implementation of the present utility model; it should be noted that; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. the preparation facilities of a high resistivity pure water, it is characterized in that, comprise prime treatment unit, first accurate filter, high-pressure pump, ultralow pressure RO device, buffer tank, buffering pump, second accurate filter, EDI device and pure water tank, the filtering accuracy being provided with the first accurate filter described in vacuum breaker between described buffering water pump and the second accurate filter is 5 μm, the filtering accuracy of the second described accurate filter is 1 μm, pipeline before described EDI device is provided with under meter and pressure warning unit, the product mouth of a river of described EDI device is provided with ohmer, described buffering water pump respectively with under meter, the controller that pressure warning unit is connected with ohmer communication, described buffering water pump is connected with described controller is controlled with controlled starting or stopping.
2. the preparation facilities of high resistivity pure water as claimed in claim 1, it is characterized in that, described prime treatment unit comprises the y-type filter, more medium filter, activated charcoal filter, raw water box, raw water pump and the full-automatic filter that are communicated with former water successively, and the first accurate filter is accessed at the product mouth of a river of described full-automatic filter.
3. the preparation facilities of high resistivity pure water as claimed in claim 2, it is characterized in that, also comprise medicine cleaning device, pump washed by the medicine that described medicine cleaning device comprises medicine tank-washer, import is communicated with described medicine tank-washer, medicine is washed the drug-feeding tube that pump discharge is connected to the first accurate filter water-in side, and the dense water side outlet of RO device and product water side outlet are communicated to the liquid returning tube of medicine tank-washer respectively.
4. the preparation facilities of high resistivity pure water as claimed in claim 3, is characterized in that, the water inlet pipe of described raw water box is provided with reducing valve.
5. the preparation facilities of high resistivity pure water as claimed in claim 3, it is characterized in that, described more medium filter is quartz filter.
6. the preparation facilities of high resistivity pure water as claimed in claim 3, is characterized in that, described RO device comprises the RO film that 5 groups of series-parallel connection are arranged.
7. the preparation facilities of high resistivity pure water as claimed in claim 6, it is characterized in that, the water-in of first group of RO film and second group of RO film also accesses the water outlet of high-pressure pump, 3rd group of RO film is connected with the dense water side of second group of RO film with first group of RO film with the water-in of the 4th group of RO film, the water-in of the 5th group of RO film is connected with the dense water side of the 4th group of RO film with the 3rd group of RO film, the dense water side of the 5th group of described RO film connects blow-off pipe, first group of described RO film, second group of RO film, 3rd group of RO film, buffer tank is also accessed in the product water side of the 4th group of RO film and the 5th group of RO film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574918.7U CN205011527U (en) | 2015-07-31 | 2015-07-31 | Preparation facilities of high resistivity pure water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574918.7U CN205011527U (en) | 2015-07-31 | 2015-07-31 | Preparation facilities of high resistivity pure water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205011527U true CN205011527U (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520574918.7U Expired - Fee Related CN205011527U (en) | 2015-07-31 | 2015-07-31 | Preparation facilities of high resistivity pure water |
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| CN (1) | CN205011527U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692973A (en) * | 2016-04-08 | 2016-06-22 | 珠海格力智能装备有限公司 | Ultrapure water preparation system and urea solution preparation system for vehicles |
| CN106927608A (en) * | 2017-04-28 | 2017-07-07 | 南京源自电力自动化设备有限公司 | Nuclear power EDI is electrolysed demineralizer |
| CN114314930A (en) * | 2022-01-04 | 2022-04-12 | 浙江斯普智能科技股份有限公司 | A jar formula filter for swimming pool |
-
2015
- 2015-07-31 CN CN201520574918.7U patent/CN205011527U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692973A (en) * | 2016-04-08 | 2016-06-22 | 珠海格力智能装备有限公司 | Ultrapure water preparation system and urea solution preparation system for vehicles |
| CN106927608A (en) * | 2017-04-28 | 2017-07-07 | 南京源自电力自动化设备有限公司 | Nuclear power EDI is electrolysed demineralizer |
| CN114314930A (en) * | 2022-01-04 | 2022-04-12 | 浙江斯普智能科技股份有限公司 | A jar formula filter for swimming pool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20160731 |