Background
Water is an indispensable substance for the human body, and each person needs to be supplemented with water moderately every day to meet normal physiological needs and maintain health. Since water is tasteless compared to beverages such as tea and sugar beverages, there is a problem that water intake is insufficient because water is not preferred, or a burden is imposed on the body by drinking beverages containing caffeine and sugar for a long time. Therefore, the bubble water can improve the taste and increase the water drinking willingness aiming at people who do not like drinking water, and can even effectively reduce the beverage drinking willingness, so that enough water can be supplemented, excessive sugar-containing beverage can be prevented from being drunk, and the human body is relatively healthy. Besides, the bubble water also has the effects of promoting metabolism, neutralizing lactic acid, helping digestion and the like.
Generally, bubble water is prepared by introducing carbon dioxide into water, and the content of minerals in water affects the dissolution rate of carbon dioxide according to the chemical characteristics of carbon dioxide, and thus most of the bubble water on the market contains no minerals, or only contains low minerals. However, for human body, the drinking water must ensure that harmful impurities in water are completely removed, the content of trace elements such as minerals in water is also very important, the low or zero content of calcium ions and magnesium ions can increase the incidence rate of cardiovascular diseases, the insufficient intake of magnesium increases the risk of hypertension, diabetes, cardiovascular diseases and osteoporosis. Therefore, taiwan patent publication No. TWI585046 discloses a high magnesium content concentrate having an effect of improving osteoporosis or fatigue. In addition, the drinking water with moderate hardness has better taste and better mouthfeel.
Therefore, in order to improve drinking water quality, how to keep enough minerals in water while making bubble water is a problem to be solved at present.
Disclosure of Invention
The object of the present invention is to solve the problem of the low mineral content of the known bubble water.
In order to achieve the purpose, the invention provides a method for preparing small molecule bubble water, which comprises the following steps:
step (a): obtaining raw water containing minerals from a spring water source, and precipitating the raw water to separate impurities from the raw water;
step (b): passing the precipitated raw water through a spiral tube formed with a magnetic field, wherein the magnetic field decomposes the molecular groups of the raw water into small molecular groups to obtain small molecular water; and
step (c): and introducing gas into the micromolecular water, and dissolving and mixing the gas into the micromolecular water to form micromolecular bubble water.
In one embodiment, step (c) further comprises the steps of:
step (c 1): deoxidizing the small molecular water to reduce the oxygen content in the small molecular water;
step (c 2): injecting the deoxidized small molecular water into an environment with the temperature of 2-4 ℃; and
step (c 3): applying high pressure to the small molecular water, and introducing the gas into the small molecular water.
In one embodiment, the high pressure is at 2kg/cm2To 5kg/cm2In the meantime.
In one embodiment, step (b) is followed by the steps of:
step (d): passing the small molecule water through at least one filter; and
a step (e): irradiating the small molecular water with ultraviolet light.
In one embodiment, the filter element is a filter element having a pore size of between 0.01 μm and 1.5 μm.
In one embodiment, the filter element is an ultrafiltration membrane.
In one embodiment, in step (e), the small molecule water is irradiated with ultraviolet light for at least 2 seconds or more.
In one embodiment, the gas is carbon dioxide.
In one embodiment, the small molecule bubble water has a pH of no greater than 7.
In order to achieve the above object, the present invention further provides a small molecule bubble water, which is prepared according to the above preparation method, and contains minerals and has a pH value of not more than 7.
Therefore, the present invention obtains the small molecule water by introducing the raw water containing the minerals into a spiral tube in which the magnetic field is formed, and decomposing the molecular groups of the raw water into small molecular groups by magnetic force. Compared with common macromolecular water, the micromolecular water has higher dissolution rate of carbon dioxide, so that the problem of reduction of the dissolution rate of the carbon dioxide caused by mineral substances in water can be solved. In addition, the bubble water formed by the small molecular groups is easier to absorb and metabolize for human bodies, and the taste of the small molecular water can be improved after the bubbles are added, so that the willingness of users to drink water is increased.
Detailed Description
The present invention is described in detail and with reference to the accompanying drawings, wherein:
the invention provides a method for preparing small molecular bubble water, please refer to fig. 1, the method comprises: a step (a) of obtaining raw water containing minerals from a spring water source and precipitating the raw water to separate impurities in the raw water; passing the precipitated raw water through a spiral tube formed with a magnetic field, wherein the magnetic field decomposes the molecular groups of the raw water into small molecular groups to obtain small molecular water; and (c) introducing gas into the micromolecular water, so that the gas is dissolved and mixed into the micromolecular water to form micromolecular bubble water.
In the step (a), the raw water is taken from spring water source and precipitated to separate impurities in the raw water. Because the raw water of the spring water source contains various impurities, in order to ensure the drinking quality, the raw water is firstly guided to a storage tank and stands for a period of time, the impurities in the raw water are precipitated to the bottom of the storage tank under the action of gravity, namely, the raw water is subjected to solid-liquid separation, so that the impurity content of the raw water on the upper layer of the storage tank is reduced to complete primary purification, then the raw water on the upper layer is taken out, and the taken out raw water has high-content mineral substances.
Then, the precipitated raw water is passed through a spiral tube 10 having a magnetic field formed therein, and the bonding between water molecules in the raw water is broken by magnetic force, so that the macro-molecular groups in the raw water are decomposed into micro-molecular groups. Referring to fig. 2, which is a schematic structural view of the spiral pipe 10 according to an embodiment of the present invention, the spiral pipe 10 is formed by twisting a straight metal pipe, and the height of the spiral pipe 10 is between 100mm and 130 mm. The spiral pipe 10 has a spiral pipe-shaped body 11, a water inlet channel 12 and a water outlet channel 13 enclosing a space, the water inlet channel 12 and the water outlet channel 13 are two ends of the spiral pipe 10 before twisting, the water inlet channel 12 extends towards a first direction, the water outlet channel 13 is bent towards the spiral pipe-shaped body 11 by 90 degrees and crosses over the bottom of the space of the spiral pipe-shaped body 11, and then is bent vertically by 90 degrees to extend towards the first direction along the inner wall of the space of the spiral pipe-shaped body 11, that is, the water inlet channel 12 and the water outlet channel 13 are parallel to each other and extend towards the same direction.
Further, the solenoid 10 is disposed inside the metal coil 20, and is disposed in the hollow annular housing 30 together with the metal coil 20. The metal coil 20 has at least one metal wire 21 electrically connected to a circuit board 40, and the circuit board 40 activates and supplies current to the metal coil 20, thereby generating a magnetic field around the solenoid 10 and the metal coil 20.
When the step (b) is performed, the precipitated raw water enters the spiral pipe 10 from the water inlet passage 12 of the spiral pipe 10, flows along the path of the spiral pipe 10, and then flows out from the water outlet passage 13. When the raw water passes through the path of the spiral tube 10, the metal coil 20 is energized to generate the magnetic field, and generates a force for decomposing the molecular groups on the raw water in the spiral tube 10, so that the raw water is decomposed into small molecular groups containing only 6 to 8 water molecules from the molecular groups originally clustered by 12 to 16 water molecules, and then the small molecular water is generated. The small molecule water leaves the spiral pipe 10 through the water outlet channel 13.
And (c) introducing gas into the micromolecular water obtained in the step (b), and dissolving and mixing the gas into the micromolecular water to form the micromolecular bubble water, wherein the gas is carbon dioxide, and the micromolecular bubble water has a pH value not more than 7. Referring to fig. 3, in one embodiment, the step (c) further includes: a step (c1) of deoxidizing the small molecular water to reduce the oxygen content in the small molecular water; step (c2), injecting the small molecule water at a temperature of 2 ℃ toIn an environment of 4 ℃; step (c 3): applying high pressure to the small molecular water, and introducing the gas into the small molecular water. Specifically, in step (c1), the small molecule water is deoxygenated by a deoxygenator to reduce the oxygen content in the small molecule water, so as to provide a subsequent dissolution space with more carbon dioxide. For example, the vacuum degree is made to-0.32 Pa by the deaerator, and the dissolved oxygen amount in the small molecular water is reduced to 5mg/L or less. In addition, since the gas has a better ability to dissolve in water under a low temperature and high pressure environment, the present invention further passes the small molecule water through a plate exchanger in step (c2), wherein the plate exchanger is formed by stacking a plurality of plates, and the surfaces of the plates have specific corrugations and have gaps therebetween, thereby effectively exchanging heat when the small molecule water flows through the plates and reducing the temperature of the small molecule water. In the present invention, the water temperature is between 2 ℃ and 4 ℃ to achieve better dissolution effect on the gas. Next, in the step (c3), the small molecule water is passed through a gas-water mixer which pressurizes the small molecule water to form a high pressure environment, and the pressure of the pressurized small molecule water is 2kg/cm2To 5kg/cm2Wherein the pressure is 4kg/cm2The gas dissolving effect is better. Therefore, the invention prepares the raw water into the small molecular bubble water with small molecular water mass and gas by the method of the step (a), the step (b) and the step (c).
With continued reference to fig. 3, in one embodiment, the method for making small molecule bubble water further comprises after step (b): passing the small molecule water through at least one filter; and (e) irradiating the small molecular water with ultraviolet light. In step (d), the filter element is a filter element and/or ultrafiltration membrane having a pore size of between 0.01 μm and 1.5 μm, and may be implemented in combination with a plurality of filter elements having different pore sizes. For example, the small molecular water can sequentially pass through the first filter element, the ultrafiltration membrane, the second filter element and the third filter element, the aperture size of the third filter element is not larger than the second filter element, the aperture size of the second filter element is not larger than the first filter element, specifically, the aperture of the first filter element is 1.2 μm to remove impurities, the aperture of the second filter element and the aperture of the third filter element are 0.2 μm to remove impurities and microorganisms, and the aperture of the ultrafiltration membrane is 0.03 μm to remove fine impurities such as microorganisms and organic matters in the small molecular water, and simultaneously, mineral substances in the water can be reserved. And (e) irradiating the micromolecular water with the ultraviolet light to eliminate bacteria, viruses, microorganisms and the like harmful to human bodies in the micromolecular water, wherein the ultraviolet light with the wavelength of 200nm to 315nm has a sterilization effect, the ultraviolet light with the wavelength of 200nm to 280nm has a better sterilization effect, and the ultraviolet light with the wavelength of 254nm has an optimal sterilization effect. In order to ensure that the bacteria, viruses or microorganisms in the small molecular bubble water are completely killed, the small molecular bubble water is irradiated with ultraviolet light for more than 2 seconds at least, so as to generate better sterilization effect.
The invention also provides small molecule bubble water which is prepared by the preparation method and contains mineral substances and has a pH value of not more than 7. Specifically, the small molecular bubble water is prepared by introducing carbon dioxide, the solubility of carbon dioxide in water is affected by acidity or alkalinity, and in water with higher alkalinity, the alkalinity of water reacts with carbon dioxide, so that the carbon dioxide in water is consumed and the bubble feeling cannot be provided. In one embodiment, the small molecule bubble water has a pH of no greater than 7, i.e., the small molecule bubble water is neutral or weak acid and can dissolve a certain amount of carbon dioxide to generate a bubble sensation. For example, if the small molecule bubble water has a pH of 7, its solubility to carbon dioxide is slightly low, and the bubble feeling generated is fine; alternatively, if the small molecule bubble water has a pH of 5 to 6, the solubility to carbon dioxide is slightly high, and the bubble feeling is strong. In addition, the concentration of ions contained in water affects the solubility of carbon dioxide, and in water having a high ion concentration (e.g., mineral water), the solubility of ions in carbon dioxide is low because ions compete with carbon dioxide for binding to water.
In summary, the small molecule bubble water of the present invention has the following advantages over the known bubble water:
(1) by treating the raw water into small molecular water, the solubility of the small molecular bubble water to carbon dioxide is increased;
(2) because the solubility of the carbon dioxide is improved by the micromolecule bubble water, the influence of mineral substances in water on the solubility of the carbon dioxide can be compensated, and the micromolecule bubble water has high content of mineral substances;
(3) the water molecules of the small-molecule bubble water are small, so that better taste is provided, and the water drinking willingness of a user is improved.