CN101544433A - Water purifying method - Google Patents
Water purifying method Download PDFInfo
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- CN101544433A CN101544433A CN200810211559A CN200810211559A CN101544433A CN 101544433 A CN101544433 A CN 101544433A CN 200810211559 A CN200810211559 A CN 200810211559A CN 200810211559 A CN200810211559 A CN 200810211559A CN 101544433 A CN101544433 A CN 101544433A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2055—Carbonaceous material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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Abstract
The invention relates to a water purifying method, wherein alkaline water containing mineral matters is produced using liquid carbonic acid and mineral filter. The water purifying method in the invention includes the followings: raw water is prepared and supplied; the raw water is purified in reverse osmosis pressure manner so that purified water is produced; liquid carbonic acid is added to the purified water; the purified water added with the liquid carbonic acid is filtered by using carbonate mineral filter; fine particles of the purified water filtered in the fourth step are filtered; and, the purified water after the fifth step is obtained. The water purifying water in the invention can purify raw water into alkaline water containing mineral matters.
Description
Technical field
The present invention relates to a kind of process for purifying water, relate to a kind of process for purifying water that utilizes liquid carbonic acid and mineral strainer to make the alkaline water that contains mineral substance in more detail.
Background technology
In the fresh water equipment or large vol water purifying plant and industrial water purifying plant of seawater, typically use the reverse osmosis water purifying plant and carry out water purification.The reverse osmosis water purifying plant is the filtration of carrying out water by the pore of 0.001 to 0.0001 μ m.But, reverse osmosis water purification mode, with foreign matters such as heavy metal in the water together, also can get rid of the mineral substance useful (mineral) composition to health, therefore, purify the water that finishes and can present acidity about pH5.6.And, recently people improve rapidly to the consciousness of health control, are not only domestic water, and the human consumer crowd that mineral water also requires to contain the alkaline water (alkali-water) of mineral substance gets more and more, therefore, be not fine to the evaluation of carrying out filtering water with the reverse osmosis pressure water purifying plant.
On the other hand, the country that the lime content in the water is high or need the middle east etc. of seawater fresh water equipment is to utilize mode of reverse osmosis to carry out water purification.And, in order to overcome the defective of no mineral substance in the water,, carry out mineral substance artificially and add operation through after the reverse osmosis, perhaps in the reverse osmosis water purification that generates, put into mineral preparations and drink.
, adding the method for mineral substance here in the reverse osmosis water purifying plant, is mainly to utilize pharmaceutical chemicals to adjust mineral level.At this moment, the main medicine that uses is Repone K (KCl), magnesium chloride (MgCl
2), calcium chloride (CaCl
2), yellow soda ash (Na
2CO
3) etc., above-mentioned medicine flow contrast is quantitatively put in the water, adjust mineral level, make that the water after the reverse osmosis becomes mineral water (mineral-water).But it is not good to add the taste of mineral water of mineral substance with medicine so artificially, nor is alkaline water, therefore, can't be subjected to human consumer's favor.Also have, the method that drops into mineral preparations in the reverse osmosis water purification that generates requires the human consumer to buy mineral preparations in addition, and is therefore cumbersome.
Summary of the invention
The objective of the invention is to, a kind of process for purifying water is provided, utilize liquid carbonic acid and mineral strainer to produce the alkaline water that contains mineral substance.
Another object of the present invention is to provide a kind of process for purifying water, with the pH and the TDS of control water.
Another purpose of the present invention is to provide a kind of process for purifying water, to generate the good tap water of taste that refrigerant sense improves.
In order to achieve the above object, the invention provides a kind of process for purifying water, it is characterized in that, comprising: first step, prepare and supply former water; Second step purifies described former water in the reverse osmosis pressure mode, thereby generates water purification; Third step injects liquid carbonic acid in described water purification; The 4th step utilizes the carbonate minerals strainer to filter the water purification that is injected with described liquid carbonic acid; The 5th step is filtered the minuteness particle in the described water purification that is filtered in described the 4th step; And the 6th step is obtained the 5th step described water purification afterwards.
In the above-mentioned third step, inject described liquid carbonic acid with the flow of 2 to 25 milliliters of every liter of water purification.
In the above-mentioned third step, the described water purification that injects described liquid carbonic acid before flowing into described carbonate minerals strainer till, its pressure remains on 0.5 to 5.0kgf/cm
2
In the above-mentioned third step, described water purifying pH value maintains 4.0 to 5.6.
The composition material of above-mentioned carbonate minerals strainer comprises coral sand.
Above-mentioned carbonate minerals strainer is formed by the carbonate minerals that comprises at least a material in rhombspar, magnesite, magnesiumcarbonate, salt of wormwood, shell, chorion and the calcite that coral sand reaches and carbonic acid reacts.
In above-mentioned the 4th step, the carbonate minerals of described carbonate minerals strainer is dissolved in the described water purification that is dissolved with described liquid carbonic acid, liquates out the mineral substance of TDS10 to 300ppm to described water purification.
Described water purification in above-mentioned the 4th step is the alkalescence of pH7.0 to 9.0.
After above-mentioned second step, also comprise: the pump step of the water oxygen gas that the oxygen in the described water purification is bled; And, cool off described water purifying cooling step of bleeding.
The present invention also provides a kind of process for purifying water, it is characterized in that, comprising: first step, prepare and supply former water; Second step purifies the described former water of supply and generates water purification in the reverse osmosis pressure mode; Third step stores described water purification; The 4th step is injected liquid carbonic acid and is mixed in described water purification; The 5th step is filtered and the described water purification of described liquid carbonic acid blended with the carbonate minerals strainer; The 6th step is filtered the minuteness particle in the filtering described water purification in the 5th step; And the 7th step is obtained the 6th step described water purification afterwards.
After above-mentioned second step, also comprise: the water oxygen gas pump step that the oxygen in the described water purification is bled; And, cool off described water purifying cooling step of bleeding.
The present invention also provides a kind of process for purifying water, and its characteristics are, comprising: first step, prepare and supply former water; Second step is injected liquid carbonic acid in described former water; Third step utilizes the carbonate minerals strainer to filter the former water that injects described liquid carbonic acid; The 4th step is filtered the minuteness particle in the described water purification that is filtered in described third step; And the 5th step is obtained the described water purification that is filtered in described the 4th step.
Above-mentioned former water is tap water.
The present invention also provides a kind of process for purifying water, and its characteristics are, comprising: first step, prepare and supply former water; Second step purifies the described former water of supply and generates water purification in the reverse osmosis pressure mode; Third step injects liquid carbonic acid in described water purification; The 4th step utilizes the carbonate minerals strainer to filter the water purification that injects described liquid carbonic acid; The 5th step is filtered the minuteness particle in the described water purification that is filtered in described the 4th step; The 6th step after described the 4th step or described the 5th step, is injected oxygen in described water purification.
After above-mentioned second step, also comprise: the water oxygen gas pump step that the oxygen in the described water purification is bled; And, cool off the water purifying cooling step after described the bleeding.
After above-mentioned the 5th step or described the 6th step, also comprise: the oxygen water that injects oxygen is carried out germ-resistant step; And, obtain described by the step of germ-resistant oxygen water.
Above-mentioned the 6th step is to 5.0kgf/cm 0 to 15 ℃ of temperature and 0.5
2Pressure condition injects oxygen down.
Described water purifying oxygen concentration is 10 to 85ppm after above-mentioned the 6th step.
Effect of the present invention is: can purify to containing the alkaline water of mineral substance; Can control the pH and the TDS of former water; Can obtain the water purification that is pH7.0 to 9.0, contains the mineral substance of TDS10 to 300ppm; Can obtain the good tap water of taste that refrigerant sense improves.
Description of drawings
Fig. 1 is the module diagram of water cleaning systems in the first embodiment of the invention;
Fig. 2 is the process flow sheet of process for purifying water in the first embodiment of the invention;
Fig. 3 is the module diagram of water cleaning systems in the second embodiment of the invention;
Fig. 4 is the process flow sheet of process for purifying water in the second embodiment of the invention;
Fig. 5 is the process flow sheet of process for purifying water in the third embodiment of the invention;
Fig. 6 is the process flow sheet of process for purifying water in the fourth embodiment of the invention.
Wherein, Reference numeral:
100,200: water cleaning systems 110: former Water Supplies Department
120: reverse osmosis pressure water purification portion 130: the portion of bleeding
140: cooling end 150: liquid carbonic acid injection portion
160: carbonate minerals strainer 170: filter house
180: water intaking portion 210: reservoir
Embodiment
Below in conjunction with accompanying drawing specific embodiments of the invention are described.
Fig. 1 is the module diagram of water cleaning systems in the first embodiment of the invention; Fig. 2 is the process flow sheet of process for purifying water in the first embodiment of the invention.
With reference to figure 1, Fig. 2, the water cleaning systems 100 in the first embodiment of the invention comprises: former Water Supplies Department 110; Reverse osmosis pressure water purification portion 120; The portion 130 of bleeding; Cooling end 140; Liquid carbonic acid injection portion 150; Carbonate minerals strainer 160; Filter house 170 and water intaking portion 180.
And the process for purifying water in the first embodiment of the invention comprises: step S10, former water supply step; Step S20, reverse osmosis water purification step; Step S30, water oxygen gas pump step; Step S40, cooling step; Step S50, the liquid carbonic acid implantation step; Step S60, filtration step; Step S70, the minuteness particle filtration step; And, step S80, water intaking step.
Process for purifying water in the first embodiment of the invention, inject liquid carbonic acid for the water purification that purifies by the reverse osmosis pressure mode, dissolve the carbonate mine material of described carbonate minerals strainer with the above-mentioned water purification of aforesaid liquid carbonic acid blended, thereby dissolving generates mineral substance, can generate the mineral substance that contains TDS10 to 300ppm, the pH value is 7.0 to 9.0 to be the alkaline water of alkalescence, and can improve the refrigerant mouthfeel and the taste of water.
Above-mentioned former Water Supplies Department 110 provides above-mentioned steps S10, the space that former water supply step is carried out.Above-mentioned former water supply step S10 is to prepare former water and former water is supplied to reverse osmosis pressure water purification portion 120.At this moment, above-mentioned former water can be seawater or common tap water.
Above-mentioned reverse osmosis pressure water purification portion 120 provides the space of carrying out above-mentioned reverse osmosis pressure water purification step S20.Above-mentioned reverse osmosis pressure water purification step S20 is to generating the water purifying step by the former water of former Water Supplies Department 110 supplies in the reverse osmosis pressure mode.Here, the above-mentioned reverse osmosis pressure of simple declaration, then at first, seepage water pressure spontaneous pressure when to be solvent by semi-permeable membranes move to the higher side of concentration, and reverse osmosis pressure is to exert pressure artificially and make solvent move by side to the pressure of the low side of concentration from concentration higher one.At this moment, reverse osmosis pressure should be greater than seepage water pressure, and this water purification mode is exactly a reverse osmosis pressure water purification mode.In above-mentioned reverse osmosis pressure water purification portion 120, the water purification that generates by reverse osmosis pressure water purification step S20 presents the acidity of pH5.6 to pH5.8, and TDS (total dissolved solid) is 0ppm.Above-mentioned TDS is, measures as is dissolved in the water during with the contaminated water of filter paper filtering and passes through the yardstick of the material of filter paper.Thus, the TDS0ppm state is that the expression pollutent is all by filter paper filtering, by the state of no any solute in the water of filter paper.At this moment, as by the yardstick of the seston of filter paper filtering, use SS (suspended solid).
The above-mentioned portion 130 of bleeding provides the space of the pump step S30 of above-mentioned water oxygen gas.The pump step S30 of above-mentioned water oxygen gas is in order to improve carbonic acid gas (CO
2) moltenly deposit concentration and remove oxygen (O in the above-mentioned water purification
2) step.
Above-mentioned cooling end 140 provides the space of carrying out above-mentioned cooling step S40.Above-mentioned cooling step S40 cools off the water purifying step of removing behind the oxygen.At this moment, cool off above-mentioned water purifying temperature and should maintain 0 to 15 ℃, this is because the easy more dissolving of the low more liquid carbonic acid of temperature.
Aforesaid liquid carbonic acid injection portion 150 provides the space of carrying out aforesaid liquid carbonic acid implantation step S50.Aforesaid liquid carbonic acid implantation step S50 is a step of injecting liquid carbonic acid in the above-mentioned water purification of refrigerative.The flow of the aforesaid liquid carbonic acid that is injected at this moment, can be 2 to 25cc in every 1L water purification.And, till the injection liquid carbonic acid is carried out before the filtration step S60 to above-mentioned carbonate minerals strainer 160 toward water purification, should keep 0.5 to 5.0kgf/cm
2Pressure.To be that pressure is big more dissolve easily in water aforesaid liquid carbonic acid more, and on the contrary, if pressure is less, the dissolved efficiency of liquid carbonic acid can reduce, and can increase the consumption of liquid carbonic acid like this.
On the other hand, the supply of aforesaid liquid carbonic acid should make above-mentioned water purifying pH value maintain 4.0 to 5.6.This is because the carbonic acid gas in liquid carbonic acid continues to be dissolved in above-mentioned water purification, then hydrogen ion (H
+) can increase, water purifying pH value can reduce, if drop into too much liquid carbonic acid, then above-mentioned water purifying pH value is more less than pH4.0, even and the low excessively above-mentioned water purification of pH value also can't guarantee to present the pH value of alkalescence by the carbonate minerals strainer of above-mentioned carbonate minerals strainer 160, and, the result that also can cause above-mentioned water purifying TDS to raise.Above-mentioned water purifying pH higher limit is set at 5.6, be because be pH5.6 to 5.8 by the water purification that reverse osmosis pressure water purification step S20 generates in reverse osmosis pressure water purification portion 120, if inject aforesaid liquid carbonic acid here, then reduce as above-mentioned water purifying pH value, therefore, the pH value is set at just become more than 5.6 and does not have in all senses.
Above-mentioned carbonate minerals strainer 160 provides the space of carrying out above-mentioned filtration step S60.Above-mentioned filtration step S60 utilizes the carbonate minerals strainer that water purification is filtered.Above-mentioned carbonate minerals strainer can be by comprising and rhombspar, magnesite, magnesiumcarbonate, lime carbonate, coral sand, the shell of carbonic acid reaction that the carbonate mine material of chorion and calcite forms.The above-mentioned water purification that injects aforesaid liquid carbonic acid dissolves above-mentioned carbonate minerals and liquates out mineral substance, makes to become alkalescent water from weakly acidic water.At this moment, above-mentioned water purification is the alkalescence of pH7.0 to 9.0, through above-mentioned mineral substance liquate, contains the mineral substance of TDS 10 to 300ppm.
Above-mentioned filter house 170 provides the space of carrying out minuteness particle filtration step S70.Above-mentioned minuteness particle filtration step S70 is to utilize the strainer be formed with the pore littler than above-mentioned carbonate minerals strainer, filters to swim or be mingled in the above-mentioned step that contains mineral substance and be the minuteness particle in the water purification of alkalescence.At this moment, the size of the pore of above-mentioned strainer should be less than the size of mineral substance, and greater than the size of minuteness particle.
Above-mentioned water intaking portion 180 provides the space of carrying out above-mentioned water intaking step S80.Above-mentioned water intaking step S80 is a step of obtaining the alkaline water that contains mineral substance that generates by as above step (S10 to S70).Above-mentioned water intaking step S80 is the final step in the water-purifying process in the first embodiment of the invention.
Table 1 expression, when carrying out water-purifying process according to first embodiment of the invention, water purification pH value that takes place with the change in concentration of the liquid carbonic acid of in aforesaid liquid carbonic acid implantation step S50, injecting and the variation of TDS.
Table 1
| The charcoal acid concentration | Flow into water pH | PH after carbonic acid drops into | By the pH behind the carbonate minerals strainer | By the TDS behind the carbonate minerals strainer | |
| Comparative example 1 | 0cc/L | 5.6 | 5.6 | 9.56 | 20 |
| Embodiment 1 | 5cc/L | 5.6 | 5.51 | 8.89 | 28 |
| Embodiment 2 | 10cc/L | 5.6 | 5.37 | 8.6 | 50 |
| Embodiment 3 | 15cc/L | 5.6 | 5.20 | 8.2 | 68 |
| Embodiment 4 | 20cc/L | 5.6 | 5.09 | 7.6 | 77 |
| Embodiment 5 | 25cc/L | 5.6 | 4.98 | 7.1 | 101 |
| Comparative example 2 | 30cc/L | 5.6 | 4.80 | 6.7 | 120 |
| Comparative example 3 | 35cc/L | 5.6 | 4.69 | 6.5 | 150 |
Here, the comparative example 1 in the above-mentioned table 1 to comparative example 3 and embodiment 1 to embodiment 5 carries out under identical pressure and temperature condition.At this moment, the injection pressure of liquid carbonic acid is 2.0kgf/cm
2, the water purifying temperature is 10 ℃, the pH that flows into water is limited in 5.6.And the carbonate minerals strainer is to be made of single coral sand.
With reference to above-mentioned table 1,, when the liquid carbonic acid injection rate rises 5 to 25cc at each,, can liquate out the mineral substance about TDS28 to 101ppm by keeping the weakly alkaline of pH7.10 to 8.89 after the carbonate minerals strainer as embodiment 1 to embodiment 5.At this moment, being dissolved in duration of contact that the water purifying liquid carbonic acid contacts with carbonic acid mineral strainer and water purifying pH changes confidential relation is arranged.That is,, finally also present alkalescence even then contain the water purification of a large amount of liquid carbonic acid if above-mentioned water purification is elongated by the duration of contact of carbonate minerals strainer.Therefore, above-mentioned TDS scope can increase the water purifying duration of contact that is dissolved with carbonate minerals strainer and liquid carbonic acid, if increase the implantation concentration of liquid carbonic acid, then TDS can be increased to 300ppm.
In addition, as comparative example 1, if do not inject liquid carbonic acid in above-mentioned water purification, then above-mentioned water purification is liquated out the little amount of mineral about TDS 20ppm during by the carbonate minerals strainer, and above-mentioned water purification presents the strong basicity of pH9.56.
Moreover to comparative example 3, when injecting every liter 30 liquid carbonic acid to 35cc in the above-mentioned water purification, above-mentioned water purification is by the carbonate minerals strainer and liquate out the mineral substance of TDS 120 to 150ppm, presents the slightly acidic of pH6.5 to 6.7 as comparative example 2.
Below the process for purifying water in the second embodiment of the invention is described.
Fig. 3 is the module diagram of water cleaning systems in the second embodiment of the invention; Fig. 4 is the process flow sheet of process for purifying water in the second embodiment of the invention.
Process for purifying water in the second embodiment of the invention is compared with the process for purifying water in the first embodiment of the invention, the liquid carbonic acid that only has more the liquid carbonic acid that stores the water purifying storing step and mix above-mentioned water purification and injection is injected and mixing step, other parts are identical with first embodiment, therefore, same section is represented with identical Reference numeral, part that the repetitive description thereof will be omitted.Below, will stress the distinctive points of the second embodiment of the invention and first embodiment: storing step and liquid carbonic acid are injected and mixing step.
To Fig. 4, water cleaning systems 200 in the second embodiment of the invention, comprising with reference to figure 3: former Water Supplies Department 110; Reverse osmosis pressure water purification portion 120; The portion 130 of bleeding; Cooling end 140; Reservoir 210; Liquid carbonic acid injection portion 150; Carbonate minerals strainer 160; Filter house 170 and water intaking portion 180.
And process for purifying water comprises in the second embodiment of the invention: former water supply step S100; Reverse osmosis pressure water purification step S200; Water oxygen gas pump step S300; Cooling step S400; Storing step S500; Liquid carbonic acid is injected and mixing step S600; Filtration step S700; Minuteness particle filtration step S800; And, water intaking step S900.
Carry out former water supply step S100, reverse osmosis pressure water purification step S200 respectively at above-mentioned former Water Supplies Department 110, reverse osmosis pressure water purification portion 120, bleed portion 130 and cooling end 140; Water oxygen gas pump step S300; And cooling step S400 flow into above-mentioned reservoir 210.
Above-mentioned reservoir 210 provides the space of carrying out above-mentioned storing step S500, and the space of injecting liquid carbonic acid, liquid carbonic acid and injection of above-mentioned water purification blended liquid carbonic acid and mixing step S600 from aforesaid liquid carbonic acid injection portion 150 is provided simultaneously.That is, above-mentioned reservoir 210 and storing step S500 provide liquid carbonic acid and water purification evenly, fully the reaction stable space.
Above-mentioned reservoir 210 fully the water purification of reaction at carbonate minerals strainer 160; Filter house 170 and water intaking portion 180 carry out filtration step S700 respectively; Minuteness particle filtration step S800 and water intaking step S900 and be generated as the alkaline water that contains mineral substance.
That is, compare with the first embodiment of the present invention, the above-mentioned storing step S500 in the second embodiment of the present invention reaches the liquid carbonic acid injection and the mixing step S600 that carry out in above-mentioned reservoir 210 more can suitably stably keep water purifying pH.
Below process for purifying water in the third embodiment of the invention is described.
Fig. 5 is the process flow sheet of process for purifying water in the third embodiment of the invention.
Process for purifying water among the process for purifying water in the third embodiment of the invention and first embodiment relatively, distinctive points has just been omitted the reverse osmosis pressure water purification step that purifies former water by the reverse osmosis pressure mode, below stresses for the third embodiment of the invention and the first embodiment distinct portions.
With reference to figure 5, the process for purifying water in the third embodiment of the invention comprises: former water supply step S1000; The pump step S2000 of water oxygen gas; Cooling step S3000; Liquid carbonic acid implantation step S4000; Filtration step S5000; Minuteness particle filtration step S6000 and water intaking step S7000.
Here, the process for purifying water in the third embodiment of the invention is the process for purifying water that omits reverse osmosis pressure water purification step S20 in the process for purifying water of first embodiment of the invention.Process for purifying water in the first embodiment of the invention can be controlled the water purifying pH concentration and the TDS that purify by mode of reverse osmosis.At this moment, according to first embodiment of the invention, the injection rate and the duration of contact between liquid carbonic acid and the carbonate minerals strainer of pH concentration and TDS control and liquid carbonic acid are closely related.The pH and the TDS that just mean the weakly alkaline tap water about the pH7.5 that uses in the third embodiment of the invention also can control by comprising above-mentioned former water supply step S1000, pump step S2000, cooling step S3000, liquid carbonic acid implantation step S4000, filtration step S5000, the minuteness particle filtration step S6000 of water oxygen gas and the process for purifying water of the step S7000 that fetches water.The water of making the good water of taste by pH and TDS in the process for purifying water of the present invention is not limited to the water purification that purifies by the reverse osmosis pressure mode.
Below the process for purifying water in the fourth embodiment of the invention is described.
Fig. 6 is the process flow sheet of process for purifying water in the fourth embodiment of the invention.
Process for purifying water is compared with the process for purifying water among the present invention first to the 3rd embodiment in the fourth embodiment of the invention, comprises a step that alkaline water is converted into oxygen water (Oxygen Water) more.In the following description, represent with identical Reference numeral, omit its detailed description with the step that step is identical among first embodiment to the, three embodiment.Therefore, in the process for purifying water of fourth embodiment of the invention, stress step with the distinguishing formation oxygen of first embodiment to the, three embodiment water.
With reference to figure 6, the process for purifying water in the fourth embodiment of the invention comprises: former water supply step S10; Reverse osmosis pressure water purification step S20; The pump step S30 of water oxygen gas; Cooling step S40; Liquid carbonic acid implantation step S50; Filtration step S60; Minuteness particle filtration step S70; Oxygen implantation step S81.And above-mentioned process for purifying water also comprises sterilisation step S83 and water intaking step S80.
And above-mentioned process for purifying water can form alkaline water by omitting reverse osmosis water purification step S20.
Above-mentioned process for purifying water is to inject liquid carbonic acid and form alkaline water in the water that is cleaned, and drops into oxygen more afterwards and improves the oxygen concentration of the water that finally obtains.
Above-mentioned oxygen implantation step S81 is in the step of injecting oxygen through minuteness particle filtration step S70 in the alkaline water of pipe flow with the cryogenic high pressure condition.Usually, oxygen is easy to dissolving at low temperatures, and therefore, the temperature maintenance of alkaline water is good at 0 to 15 ℃.If the temperature of above-mentioned alkaline water is lower than 0 ℃, then water will be freezing, if the temperature of above-mentioned alkaline water is higher than 15 ℃, then the dissolving of oxygen is comparatively difficult.And above-mentioned alkaline water is cooled in the said temperature scope in above-mentioned cooling step S40 process, therefore, need not to increase cooling apparatus.But the temperature of above-mentioned alkaline water fails to be controlled at 0 to 15 ℃, so just needs other cooling step.And, above-mentioned oxygen such as liquid carbonic acid, therefore under high pressure easier dissolving, in the process that oxygen implantation step S81 carries out, should keep 0.5 to 5.0kgf/cm
2Pressure.Here, as the reason of above-mentioned ground limiting temperature and pressure range be, in order to allow the oxygen water of final generation contain 10 to 85ppm oxygen.That is, adjust temperature and pressure as described above and can obtain required oxygen concentration, can prevent that the oxygen that injects is wasted.At this moment, before above-mentioned oxygen implantation step S81, preparation will be injected into the method for the oxygen of alkaline water, the method of utilizing oxygen generator and generating oxygen is arranged or utilize the liquid oxygen gas tank and method etc. that the gas oxygen gas tank is prepared oxygen can be prepared all methods of pure oxygen, the present invention does not limit the method for preparing oxygen.
And above-mentioned oxygen implantation step S81 can carry out after aforesaid liquid carbonic acid implantation step S50.This be because, be cooled to the alkaline water of 0 to 15 ℃ of temperature through above-mentioned cooling step S40, by aforesaid liquid carbonic acid implantation step S50, filtration step S60, minuteness particle filtration step S70 and temperature is risen, concentration of oxygen gas may be lowered.That is, alkaline water also can keep 0 to 15 ℃ temperature after through minuteness particle filtration step S70, and the temperature of alkaline water may rise to about 15 ℃ at this moment.The solubleness that this means alkaline water descends when being 0 ℃ than the temperature of alkaline water to some extent.Therefore, carry out cooling step S40 and carry out above-mentioned oxygen implantation step S81 when keeping 0 ℃ of left and right sides temperature and inject oxygen, then compare the solubleness that more can improve oxygen with the method for injecting oxygen through minuteness particle filtration step S70 at above-mentioned alkaline water.
Above-mentioned sterilisation step S83 is breeding and the sterilization in order to suppress bacterium, utilizes ozone or UV etc. that oxygen water is carried out germ-resistant step.At this moment, can use among the above-mentioned sterilisation step S83 and comprise disinfection system ozone or UV etc., that in normally used tap water production system, use.
Above-mentioned water intaking step S85 is to obtain oxygen water by above-mentioned processing step (S10 to S83), i.e. the step of the higher oxygen water of rich in mineral substances, cool taste, oxygen concentration.Above-mentioned water intaking step S85 is a final step, and oxygen water generates technology and finishes.
Process for purifying water in the fourth embodiment of the invention is to increase above-mentioned oxygen implantation step S81, sterilisation step S83 and water intaking step and the process for purifying water that generates oxygen water on the basis of the process for purifying water of first embodiment of the invention to the three embodiment.Here, the reason of regeneration oxygen water is after the generation alkaline water, and the water that the absorption of human body oxygen concentration is high just can improve oxygen concentration in the body, can promote human body metabolism, improves muscular movement, stamina and cardio-pulmonary function.Therefore, utilize process for purifying water of the present invention can obtain rich in mineral substances, cool taste, the higher tap water of oxygen concentration.
And,,, before liquid carbonic acid implantation step S50, carry out the pump step S30 of water oxygen gas, thereby can increase the amount of oxygen that lacks in the alkaline water in order to inject liquid carbonic acid effectively according to the process for purifying water of fourth embodiment of the invention.
As mentioned above, the present invention is not limited to above-mentioned specific preferred embodiment, those skilled in the art can not break away from the scope of the inventive concept, the present invention is carried out various distortion, and this distortion must be in claims record scopes.
Claims (18)
1, a kind of process for purifying water is characterized in that, comprising:
Former water is prepared and supplied to first step;
Second step purifies described former water in the reverse osmosis pressure mode, thereby generates water purification;
Third step injects liquid carbonic acid in described water purification;
The 4th step utilizes the carbonate minerals strainer to filter the water purification that is injected with described liquid carbonic acid;
The 5th step is filtered the minuteness particle in the described water purification that is filtered in described the 4th step; And
The 6th step is obtained the 5th step described water purification afterwards.
2, process for purifying water according to claim 1 is characterized in that,
In described third step, inject described liquid carbonic acid with the flow of 2 to 25 milliliters of every liter of water purification.
3, process for purifying water according to claim 1 is characterized in that,
In the described third step, the described water purification that injects described liquid carbonic acid before flowing into described carbonate minerals strainer till, its pressure remains on 0.5 to 5.0kgf/cm
2
4, process for purifying water according to claim 1 is characterized in that,
In the described third step, described water purifying pH value maintains 4.0 to 5.6.
5, process for purifying water according to claim 1 is characterized in that,
The composition material of described carbonate minerals strainer comprises coral sand.
6, process for purifying water according to claim 5 is characterized in that,
Described carbonate minerals strainer is formed by the carbonate minerals that comprises at least a material in rhombspar, magnesite, magnesiumcarbonate, salt of wormwood, shell, chorion and the calcite that coral sand reaches and carbonic acid reacts.
7, process for purifying water according to claim 1 is characterized in that,
In described the 4th step, the carbonate minerals of described carbonate minerals strainer is dissolved in the described water purification that is dissolved with described liquid carbonic acid, liquates out the mineral substance of TDS 10 to 300ppm to described water purification.
8, process for purifying water according to claim 1 is characterized in that,
Described water purification in described the 4th step is the alkalescence of pH7.0 to 9.0.
9, process for purifying water according to claim 1 is characterized in that,
After described second step, also comprise: the pump step of the water oxygen gas that the oxygen in the described water purification is bled; And, cool off described water purifying cooling step of bleeding.
10, a kind of process for purifying water is characterized in that, comprising:
Former water is prepared and supplied to first step;
Second step purifies the described former water of supply and generates water purification in the reverse osmosis pressure mode;
Third step stores described water purification;
The 4th step is injected liquid carbonic acid and is mixed in described water purification;
The 5th step is filtered and the described water purification of described liquid carbonic acid blended with the carbonate minerals strainer;
The 6th step is filtered the minuteness particle in the filtering described water purification in the 5th step; And
The 7th step is obtained the 6th step described water purification afterwards.
11, process for purifying water according to claim 10 is characterized in that,
After described second step, also comprise: the water oxygen gas pump step that the oxygen in the described water purification is bled; And, cool off described water purifying cooling step of bleeding.
12, a kind of process for purifying water is characterized in that, comprising:
Former water is prepared and supplied to first step;
Second step is injected liquid carbonic acid in described former water;
Third step utilizes the carbonate minerals strainer to filter the former water that injects described liquid carbonic acid;
The 4th step is filtered the minuteness particle in the described water purification that is filtered in described third step; And
The 5th step is obtained the described water purification that is filtered in described the 4th step.
13, process for purifying water according to claim 12 is characterized in that, described former water is tap water.
14, a kind of process for purifying water is characterized in that, comprising:
Former water is prepared and supplied to first step;
Second step purifies the described former water of supply and generates water purification in the reverse osmosis pressure mode;
Third step injects liquid carbonic acid in described water purification;
The 4th step utilizes the carbonate minerals strainer to filter the water purification that injects described liquid carbonic acid;
The 5th step is filtered the minuteness particle in the described water purification that is filtered in described the 4th step,
The 6th step after described the 4th step or described the 5th step, is injected oxygen in described water purification.
15, process for purifying water according to claim 14 is characterized in that,
After described second step, also comprise: the water oxygen gas pump step that the oxygen in the described water purification is bled; And, cool off the water purifying cooling step after described the bleeding.
16, process for purifying water according to claim 14 is characterized in that,
After described the 5th step or described the 6th step, also comprise:
The oxygen water that injects oxygen is carried out germ-resistant step; And
Obtain described by the step of germ-resistant oxygen water.
17, process for purifying water according to claim 14 is characterized in that,
Described the 6th step is to 5.0kgf/cm 0 to 15 ℃ of temperature and 0.5
2Pressure condition injects oxygen down.
18, process for purifying water according to claim 15 is characterized in that,
Described water purifying oxygen concentration is 10 to 85ppm after described the 6th step.
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| KR1020080028206 | 2008-03-27 | ||
| KR1020080028206A KR100981423B1 (en) | 2008-03-27 | 2008-03-27 | Method for Purifying Water |
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| CN111225881A (en) * | 2017-08-28 | 2020-06-02 | Mva参与咨询有限公司 | System for purifying and physico-chemically conditioning water |
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| JP4773911B2 (en) * | 2006-08-14 | 2011-09-14 | 三菱重工業株式会社 | Drinking water production apparatus and method for producing drinking water |
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| CN111225881A (en) * | 2017-08-28 | 2020-06-02 | Mva参与咨询有限公司 | System for purifying and physico-chemically conditioning water |
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