CN112047524A - High-oxygen drinking water production process and system based on gas nanocrystallization technology - Google Patents
High-oxygen drinking water production process and system based on gas nanocrystallization technology Download PDFInfo
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Abstract
The invention provides a high-oxygen drinking water production process based on a gas nanocrystallization technology, which comprises the following steps of: filtering source water by a quartz sand filter and an activated carbon filter in sequence, then feeding the filtered source water into a water cooling device, increasing the water pressure of the cooled water by a raw water booster pump, further filtering the cooled water by a precision filter and an ultrafilter in sequence, storing the filtered water in a water purification tank, sterilizing the cooled water by an environment-friendly sterilization device, feeding the sterilized water into a degassing device, degassing the sterilized water, and storing the degassed water in a nitrogen-sealed water tank; feeding medical grade oxygen into an oxygen tank through an oxygen booster pump; mixing water and oxygen in a gas-liquid mixing pump, feeding the mixture into a spiral cutter for gas-liquid cutting to form primary high-oxygen water, and feeding the primary high-oxygen water into a sawtooth ejector to form high-concentration high-oxygen water; the high-concentration high-oxygen water enters a cartridge filter to remove foreign matters and then flows into a water tank of a filling machine, and then is filled into a container through an all-in-one machine to prepare high-oxygen drinking water. The invention can be used for continuous production, and the produced high-oxygen water can dissolve oxygen stably and retain mineral elements and trace elements necessary for human metabolism.
Description
Technical Field
The invention relates to the technical field of water purifiers, in particular to a high-oxygen drinking water production process and system based on a gas nanocrystallization technology.
Background
The oxygen content of the ordinary drinking water under the normal temperature condition is generally lower than 10mg/L, and the management of the oxygenated drinking water as the ordinary food meets the following conditions: the oxygen used should meet the medical oxygen requirement, and the oxygen content in the prepared drinking water should not exceed 150 mg/L. The oxygen content in the high dissolved oxygen water is generally 20mg-120 mg/L. Doctor Parris m.kidd in "antipodal addition" notes: hypoxia causes a dysregulated immune system, resulting in the inability to expel toxins, the biggest cause of all disease formations. Oxygen plays a critical role in the normal functioning of the immune system, particularly with regard to systemic resistance to diseases, bacteria and viruses; a great deal of scientific research at home and abroad also shows that the oral hyperoxic water can obviously improve anoxia reaction, resist fatigue, improve exercise capacity, accelerate the removal of free radicals in vivo, improve oxidation resistance, enhance the immunity of organisms, accelerate the removal of alcohol and the like. The nutritionist Otto Warburg doctor believes that oxygen deficiency is the single most serious factor responsible for various diseases. The research proves that the oral and gastrointestinal oxygen absorption has good effect on liver function and bile manufacturing function repair; animal experiments and treatment of humans show: malfunction of liver function is a result of hepatotoxicity. The effect of expelling toxin can be quickly achieved through the treatment of oral hyperoxic water; a large number of experiments prove that after a human body drinks the high-oxygen water, the peristalsis frequency and the density of intestines and stomach are increased, and the functions of digestive system organs such as intestines, stomach, liver and the like can be greatly enhanced by drinking 0.5 liters of high-oxygen water every day. The Sirotldn report in 1968 indicated: the drinking of the high-oxygen water is beneficial to health, and the oxygen supplementation from the intravenous and oral ways brings new gospel to the struggle between human beings and diseases and the health. The high-oxygen water is widely applied to the first aid of various critical patients and the treatment of various ischemic and hypoxic diseases, relieves the exercise fatigue of athletes and accelerates the physical recovery; the German scholars, Speit GPakdaman M.D, etc., prove that the hyperoxic water has no genetic toxicity, and the side effect of the oral hyperoxic water is not found.
The research of the 'high oxygen water' with the oxygen content 5 times higher than that of the common mineral water is found by the research of the tremolo in the military area of Sinkiang and the research institute of the mountain sickness, so that the attack rate of the acute altitude sickness of the officers in the plateau can be greatly reduced, and the working efficiency of the officers in frontier defense can be improved. The high oxygen water can increase the utilization of oxygen by human tissues, and has the functions of enhancing the oxygen deficiency resistance of human bodies, resisting fatigue, relieving the altitude stress and quickly adapting to the altitude environment. The fourth research of Zhan Hui et al of military medical university finds that: the hyperoxia liquid has obvious improvement effect on the altitude hypoxemia through the routes of veins and digestive tracts, and the maintenance time of oral administration is longer than that of intravenous infusion. Korean scholars In-hwan Baek, Su-jin Rhee, etc. conducted a study on the effect of dissolved oxygen In wine and beverages on the elimination of human alcohol, and the results showed that: the alcohol elimination rate increases with the increase of the dissolved oxygen content, which shows that the alcohol metabolism and elimination can be accelerated and the sobering-up time can be shortened by increasing the concentration of the dissolved oxygen in the alcoholic beverage.
From the research reports, the problem that the oxidative damage caused by the obvious rise of oxygen free radicals is not worried after drinking high-oxygen water, and the drinking high-oxygen water has no genetic toxicity, and the antioxidant capacity can be improved after long-time frequent drinking. Therefore, it is safe for human body to drink high oxygen water.
Therefore, the invention which combines oxygen and water into one is greatly contributed to human beings, is a superior beverage which honors the world in the 21 st century, is widely applied to various fields of beverages, medical health care, beauty, environmental protection, chemical industry, food and the like, and has important effect on maintaining the ecological balance of the nature.
The technology for producing high-oxygen water is generated in the later 90 s of the 20 th century, and is developed vigorously in Japan in the beginning of the 21 st century, and the manufacturing method comprises modes of rotary shearing, pressurized dissolution, electrochemistry, micropore pressurization, mixed jet flow and the like, and the high-oxygen water can be generated under certain conditions.
The chinese utility model patent CN206328202U discloses a method for preparing high oxygen water: the gas is sucked by utilizing the negative pressure action of the gas-liquid mixing pump, the liquid and the gas are mixed and stirred by the pump impeller rotating at a high speed, bubbles are broken, and the micro-nano bubble high-concentration liquid is prepared. The technology can realize large-scale industrial production, but the gas-liquid ratio is about 1:9 (the inspiration capacity is 8-10%), and the dissolved oxygen concentration is not high (the dissolved oxygen capacity is about 15-20 mg/L).
The Chinese patent CN 102173498B discloses a production method for preparing high-oxygen water by a rotary cutting method, which comprises the following steps: the gas cutting is carried out by utilizing an annular filler to rotate at a high speed around an axis, oxygen meets water thrown out from small holes of the filler, and the oxygen is added into the water by mutual convection forced mass transfer exchange of two flows of water flow and oxygen flow. The oxygen flow rate of the technology is 200-400L/h, the water flow rate is 25-35L/h, and the dissolved oxygen concentration can reach 20-50 mg/L. However, the device requires a large oxygen supply amount, needs a rotary power mechanism, has high cost and low capacity, and is not suitable for large-scale industrial production.
The high oxygen water producing process with electrodialysis includes electrodialysis of source water to produce purified water with mineral elements and trace elements filtered out, and is not favorable to health.
The Chinese patent CN1473777A 'high-pressure oxygen ecological water production process' reduces the temperature of water and oxygen, improves the pressure of water and oxygen and improves the concentration of dissolved oxygen, and the gas-liquid contact device of the process is the traditional gas-liquid high-pressure atomization contact mass transfer, and has the advantages of low mass transfer efficiency, long and uneven gas-liquid mixing time, discontinuous production, low dissolved oxygen efficiency and unstable dissolved oxygen concentration, and the effective storage period of the produced high-oxygen water is only about 60 days.
The capillary tube absorption type high oxygen water technology has the advantages that the production capacity is 0.5-30 tons/hour due to the limitation of the membrane structure, and the microporous membrane is easy to block and short in service life, so that the production cost is high. The invention relates to a high-oxygen drinking water production process based on a gas nanocrystallization technology, the yield of equipment is only limited by a workshop site due to different mechanisms of oxygen nanobubbles, the yield of a DN150 spiral cutter is 100 tons/hour, a plurality of spiral cutters are connected in parallel, the yield can be infinite theoretically, and large-scale industrial production can be realized. The structure is greatly simplified, the maintenance is convenient, and the equipment cost is only 1/5 of the capillary absorption type oxygenation technology under the same capacity condition.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a high-oxygen drinking water production process and system based on a gas nanocrystallization technology, wherein the produced high-oxygen drinking water is stable in water-soluble oxygen and retains mineral elements and trace elements necessary for human metabolism. The technical scheme adopted by the invention is as follows:
a high-oxygen drinking water production process based on a gas nanocrystallization technology comprises the following steps:
(1) filtering source water by a quartz sand filter and an activated carbon filter in sequence, then feeding the filtered source water into a water cooling device for cooling, storing the cooled water in a raw water temporary storage tank, increasing the water pressure of the stored water by a raw water booster pump, further filtering the stored water by a precision filter and an ultrafilter in sequence, then storing the filtered water in a water purifying tank, sterilizing the water in the water purifying tank by an environment-friendly sterilization device, feeding the sterilized water into a degassing device for degassing, and storing the degassed water in a nitrogen-sealed water tank;
(2) feeding medical grade oxygen produced by a medical oxygen generator into an oxygen tank through an oxygen booster pump;
(3) mixing water in the nitrogen-sealed water tank and oxygen in the oxygen tank in a gas-liquid mixing pump, then feeding the mixture into a spiral cutter to perform gas-liquid cutting and mixing to form first-stage high-oxygen water, and then feeding the first-stage high-oxygen water into a sawtooth ejector to perform small-gap sawtooth cutting to form high-concentration high-oxygen water;
(4) the high-concentration high-oxygen water enters a cartridge filter to remove foreign matters and then flows into a water tank of a filling machine, and then is filled into a container through an all-in-one machine to prepare high-oxygen drinking water.
Preferably, the high oxygen drinking water production process based on the gas nanocrystallization technology, wherein the cooling temperature in the step (1) is 4-10 ℃.
Preferably, in the high-oxygen drinking water production process based on the gas nanocrystallization technology, the water pressure increased by the raw water booster pump in the step (1) is 0.4-0.5 MPa.
Preferably, the high oxygen drinking water production process based on the gas nanocrystallization technology, wherein the oxygen pressure in the oxygen tank in the step (2) is 0.4-0.6 MPa; the water pressure of the gas-liquid mixing pump in the step (3) is 0.4-0.5 MPa.
Preferably, the high-oxygen drinking water production process based on the gas nanocrystallization technology is used, wherein the dissolved oxygen concentration of the first-level high-oxygen drinking water is 30-50 mg/L; the concentration of the water-soluble oxygen in the water tank of the filling machine is 100-120 mg/L.
The utility model provides a high oxygen drinking water production system based on gaseous nanometer technology, wherein, including quartz sand filter, active carbon filter, water cooling plant, former water temporary storage case, precision filter, ultrafilter, water purification jar and the environmental protection sterilizing equipment that connects gradually, former water temporary storage case still connects the former water booster pump, former water booster pump is connected to the former water booster pump, degassing unit, nitrogen sealing water tank and gas-liquid mixing pump are connected gradually to the environmental protection sterilizing equipment, environmental protection sterilizing equipment still connects the dosage and adds the medicine pump, spiral cutter, sawtooth sprayer and safety filter are connected gradually to the gas-liquid mixing pump, the oxygen jar is still connected to the gas-liquid mixing pump, the oxygen jar connects gradually oxygen booster pump and medical oxygenerator, safety filter connects gradually liquid filling machine water tank and all-in-one.
Preferably, high oxygen drinking water production system based on gaseous nanometer technology, wherein, the helical cutter includes position sleeve, be the intake antrum in the position sleeve, be equipped with the awl core in the intake antrum, awl core both sides are the echelonment along the intake antrum inner wall and enlarge formation sawtooth cutting chamber, set up the gasket between sawtooth cutting chamber and the position sleeve.
The invention has the advantages that:
(1) the high-oxygen drinking water production process based on the gas nanocrystallization technology can be used for continuous production, the produced high-oxygen drinking water is stable in dissolved oxygen and retains mineral elements and trace elements necessary for human metabolism, a two-stage gas nano composite refining dissolved oxygen technology, a variable-pitch spiral cutting refining technology of a static spiral cutter and a small-gap sawtooth cutting refining technology of a sawtooth cutting ejector are adopted, the production of food-grade high-oxygen drinking water is realized, the generated oxygen nano bubbles are small and uniform, the dissolved oxygen concentration is high, and the dissolved oxygen concentration exceeds 100 ppm.
(2) The invention adopts the modern liquid nitrogen sealing technology, quantitatively and accurately drops liquid nitrogen at-196 ℃, discharges air at the bottle mouth, and immediately seals the bottle, so that the external air is completely isolated from the high-oxygen water in the bottle, the nitrogen is inert gas, the nitrogen cannot be dissolved in water to generate chemical reaction, and the storage period of the high-oxygen water can be prolonged by 1-2 years.
(3) The invention adopts the spiral cutting and refining technology of the gas nanometer static spiral cutter, the dissolved oxygen and mixed oxygen speed exceeds the prior high-oxygen water production technology, the production time of the high-oxygen water is shorter than that of all the prior nanometer bubble/high-oxygen water technologies, the energy is saved, the emission is reduced, and the large-scale continuous production of the high-oxygen water can be realized.
Drawings
Fig. 1 is a diagram of a high oxygen drinking water production system based on gas nanocrystallization technology of the present invention.
FIG. 2 is a schematic view of the spiral cutter of the present invention.
In the figure: 1. source water; 2. a quartz sand filter; 3. an activated carbon filter; 4. a raw water temporary storage tank; 5. a raw water booster pump; 6. a precision filter; 7. an ultrafiltration system; 8. A metering dosing pump; 9. an environment-friendly sterilization device; 10. a degasser; 11. a nitrogen-sealed water tank; 12. a water cooling device; 13. a medical oxygen generator; 14. an oxygen booster pump; 15. a gas-liquid mixing pump; 16. a spiral cutter; 17. a saw-tooth ejector; 18. a cartridge filter; 19. an integrated machine of flushing, filling, sealing and rotating; 20. finished water; 21. A water purification tank; 22. a purified water booster pump; 23. a water tank of a filling machine; 24. an oxygen tank; 29. a conical core; 30. sealing gaskets; 31. a serrated cutting cavity; 32. a water inlet cavity; 33. and (6) positioning the sleeve.
Detailed Description
The invention is further illustrated by the following specific figures and examples.
Example 1
The high-oxygen drinking water production process based on the gas nanocrystallization technology provided by the embodiment comprises the following steps:
(1) filtering source water by a quartz sand filter and an activated carbon filter in sequence, then feeding the filtered source water into a water cooling device for cooling, storing the cooled water in a raw water temporary storage tank, increasing the water pressure of the stored water by a raw water booster pump, further filtering the stored water by a precision filter and an ultrafilter in sequence, then storing the filtered water in a water purifying tank, sterilizing the water in the water purifying tank by an environment-friendly sterilization device, feeding the sterilized water into a degassing device for degassing, and storing the degassed water in a nitrogen-sealed water tank;
(2) feeding medical grade oxygen produced by a medical oxygen generator into an oxygen tank through an oxygen booster pump;
(3) mixing water in the nitrogen-sealed water tank and oxygen in the oxygen tank in a gas-liquid mixing pump, then feeding the mixture into a spiral cutter to perform gas-liquid cutting and mixing to form first-stage high-oxygen water, and then feeding the first-stage high-oxygen water into a sawtooth ejector to perform small-gap sawtooth cutting to form high-concentration high-oxygen water;
(4) the high-concentration high-oxygen water enters a cartridge filter to remove foreign matters and then flows into a water tank of a filling machine, and then is filled into a container through an all-in-one machine to prepare high-oxygen drinking water.
The cooling temperature of the step (1) is 4-10 ℃, and the optimal cooling temperature is 8 ℃.
The water pressure increased by the raw water booster pump in the step (1) is 0.4-0.5MPa, and the optimal water pressure is 0.4 MPa;
the oxygen pressure in the oxygen tank in the step (2) is 0.4-0.6MPa, and the optimal oxygen pressure is 0.5 MPa; the water pressure of the gas-liquid mixing pump in the step (3) is 0.4-0.5 MPa.
The dissolved oxygen concentration of the first-level high oxygen water is 30-50 mg/L; the concentration of the water-soluble oxygen in the water tank of the filling machine is 100-120 mg/L. The dissolved oxygen content of the produced high-oxygen water can reach 120mg/L at most, the stability is good, for the high-oxygen water with the dissolved oxygen content of 120mg/L filled into a 500ml polyurethane bottle and a 350ml pop can, the oxygen content can still reach 80 mg/L after the high-oxygen water is placed for 12 months, and the oxygen content can still reach 90mg/L after the high-oxygen water is placed for 24 hours in an open manner.
The invention adopts a two-stage gas nano composite refined dissolved oxygen technology: the variable-pitch spiral cutting and refining technology of the static spiral cutter and the small-gap sawtooth cutting and refining technology of the sawtooth cutting ejector realize the production of food-grade high-oxygen water, and the dissolved oxygen concentration exceeds 100 ppm; the invention adopts the modern liquid nitrogen sealing technology, quantitatively and accurately drops liquid nitrogen at-196 ℃, discharges air at the bottle mouth, and immediately seals the bottle, so that the external air is completely isolated from the high-oxygen water in the bottle, the nitrogen is inert gas, the nitrogen cannot be dissolved in water to generate chemical reaction, and the storage period of the high-oxygen water can be prolonged by 1-2 years; because the spiral cutting and refining technology of the gas nanometer static spiral cutter is adopted, the dissolved oxygen and mixed oxygen speed exceeds the prior high-oxygen water production technology, the production time of the high-oxygen water is shorter than that of all the prior nanometer bubble/high-oxygen water technologies, the energy is saved, the emission is reduced, and the large-scale continuous production of the high-oxygen water can be realized; the all-in-one machine during filling adopts an all-in-one machine of flushing, filling, sealing and rotary normal pressure filling, and has low equipment cost, stability and reliability. The oxygen content is basically not lost in the filling process; the nitrogen-sealed water tank adopts a modern liquid nitrogen sealing technology, liquid nitrogen at-196 ℃ is quantitatively and accurately dripped, air at the bottle mouth is discharged, and then the bottle is immediately sealed, so that the external air is completely isolated from the high-oxygen water in the bottle, nitrogen is inert gas and cannot be dissolved in water to generate chemical reaction, the storage period of the high-oxygen water can be prolonged by 1-2 years, the storage period of the high-oxygen water prepared by the high-oxygen water production process can reach 2 years, and is obviously higher than that of the high-oxygen water produced by the existing production process.
The technical principle of the preparation of the high-oxygen water is as follows: nanobubbles have physical and chemical properties that conventional bubbles do not possess, such as: high internal pressure, high surface energy, high interfacial activity, and the like; the micronization of the bubbles is a key technology for promoting substance transfer and enhancing chemical reaction speed in the chemical industry, and according to the Yang-Laplace law, the surface tension of the nano-scale bubbles is inversely proportional to the diameter of the bubbles and is directly proportional to the internal pressure of the bubbles. The surface tension increases, the bubbles shrink and the internal pressure increases, so-called self-pressurization phenomenon occurs. Once the balance between the internal pressure and the surface tension of the contracted bubble is lost, the nano bubble is finally broken at about 4000 atmospheric pressures, and the bubble is broken to become active gas molecules, the free thermal motion of the active gas molecules is enhanced, and the active gas molecules can be mixed with H of water molecules at any time+、OH-Stable covalent bonds are formed, and thus stable supersaturated high-concentration oxygenated water is formed.
Example 2
As shown in fig. 1-2, the present embodiment provides a high-oxygen drinking water production system based on gas nanocrystallization technology, wherein the system comprises a quartz sand filter 2, an activated carbon filter 3, a water cooling device 12, a raw water temporary storage tank 4, a precision filter 5, an ultrafilter 7, a water purification tank 21 and an environment-friendly sterilization device 9 which are connected in sequence, the raw water temporary storage tank 4 is further connected with the raw water booster pump 5, the raw water booster pump 5 is connected with the precision filter 6, the environment-friendly sterilization device 9 is further connected with a degassing device 10, a nitrogen-sealed water tank 11 and a gas-liquid mixing pump 15 in sequence, the environment-friendly sterilization device 9 is further connected with a dosage dosing pump 8, the gas-liquid mixing pump 15 is further connected with a spiral cutter 16, a sawtooth ejector 17 and a security filter 18 in sequence, the gas-liquid mixing pump 15 is further connected with an oxygen tank 24, the oxygen, the cartridge filter 18 is sequentially connected with a water tank 23 of the filling machine and an integrated machine 19; the spiral cutter 16 comprises a positioning sleeve 33, a water inlet cavity 32 is formed in the positioning sleeve 33, a conical core 29 is arranged in the water inlet cavity 32, two sides of the conical core 29 are expanded in a stepped mode along the inner wall of the water inlet cavity to form a sawtooth cutting cavity 31, and a gasket is arranged between the sawtooth cutting cavity 31 and the positioning sleeve 33.
Referring to fig. 1, the high oxygen drinking water production process based on the gas nanocrystallization technology comprises the following process steps: filtering water source water 1 by a quartz sand filter 2 and an active carbon filter 3, flowing into a water cooling device 12 for cooling, wherein the refrigeration temperature is 4-10 ℃, the optimal refrigeration temperature is 8 ℃, then the water pressure is increased by a raw water booster pump 5, the water pressure is 0.4-0.5MPa, the optimal water pressure is 0.4MPa, further filtering is carried out by a precision filter 6 and an ultrafiltration system 7, the water is sent into a purified water tank 21, then the purified water booster pump 22 is sent into a degassing device 10, the optimal pressure is still 0.4MPa, the degassing device 10 adopts a membrane degassing principle to remove miscellaneous gases in the water, the oxygen dissolved concentration of the water in the subsequent process is increased, the degassing water is stored in a nitrogen-sealed water tank 11, the water surface is sealed by nitrogen, air is isolated, the air is prevented from being dissolved into the water again, a gas-liquid mixing pump 15 is started, the water pressure is 0.4-0.5MPa, the optimal water pressure is 0.4MPa, and the degassed water in the nitrogen-sealed water tank 11 is conveyed into a cutting cavity of a spiral cutter 16; meanwhile, medical grade oxygen produced by a medical oxygen generator 13 is sent into an oxygen tank 24 after the oxygen pressure is increased by an oxygen booster pump 14, the oxygen pressure is 0.4-0.6MPa, the optimal oxygen pressure is 0.5MPa, and the oxygen in the oxygen tank 24 is sent into a cutting cavity of a spiral cutter 16 after being processed by a gas dehumidifying and pressure stabilizing device; the water-carried gas flows through the cutting cavity of the spiral cutter 16 under certain pressure and flow rate to realize the cutting refinement and mixing of micro-nano level of gas (40-50 molecular group substances are cut into 4-5 molecular group substances) to form primary high-oxygen water with dissolved oxygen concentration of 30-50 mg/L, the primary high-oxygen water discharged by the spiral cutter 16 enters a plurality of sawtooth cutting ejectors 17, the gas-water mixture circles around in the cutting cavity 31 of the sawtooth cutter 17, the gas-water mixture can form vortex when passing through a fluid channel through the sawtooth bulges to increase the flow rate of the gas-water mixture to form more effective shearing, the formed swirling flow is released in the process of entering the water tank 23 of the filling machine, the micro bubbles are cut off under the twisting and stretching effect along with the collapse of the vortex to generate a large amount of nano-scale bubbles, the dissolved oxygen concentration can reach 100-120 mg/L, the size of a cutting gap of a sawtooth cutting cavity 31 can be adjusted by changing the thickness of a sealing gasket 30, high-concentration high-oxygen water flows into a water tank 23 of a filling machine after foreign matters are removed by a security filter 18, and then the high-concentration high-oxygen water is filled into a container by a flushing, filling, sealing and rotating integrated machine 19 to form a finished product of drinking high-oxygen water 20 which can be barreled or bottled, the sterilizing agent adopts a German Oakta environment-friendly sterilizing agent, a metering medicine adding pump 8 is adopted to be added into a system, a sterilizing process is arranged between a water purification booster pump 22 and a degassing device 10, the raw water adding amount of the environment-friendly sterilizing agent is 20-30 mg/L, and the concentration of the residual environment-friendly sterilizing.
The spiral cutter mainly comprises a variable pitch spiral cutting blade with the thickness of 0.08mm, a fixing device and the like, the cutter can realize micro-nano cutting refinement of gas, the spiral cutter adopts a special variable pitch design, namely, a large pitch of a fluid inlet is transited to a small pitch of a fluid outlet, 4 spiral cutting cavities are formed by overlapping the cutting blade with the thickness of 0.08mm one by one according to a spiral line equation, due to the characteristics of a variable pitch spiral mechanism, gas and liquid are subjected to shearing force in three directions of space XYZ, the flow field boundary is a step-shaped cutting edge formed by the spiral cutting blade, bubbles and water are subjected to the cutting force of the step-shaped cutting edge under the action of a certain flow field and centrifugal force, infinite small-scale cutting can be realized theoretically, and due to the action of the variable pitch spiral mechanism and the difference of gas and liquid densities, water carrying gas flows through the cutting cavities under certain pressure and flow speed, micro-nano-scale cutting refinement and mixing of gas and water are achieved, materials of 40-50 molecular groups are cut into materials of 4-5 molecular groups, energy consumption is low, large bubbles can be cut into micro-nano bubbles, and the structure and process parameters of a spiral cutter are disclosed in patent CN201510424048.X of the invention.
Example 3
A high oxygen drinking water production process based on gas nanocrystallization technology adopts a spiral cutting refinement technology of a static spiral cutter, a small-gap sawtooth cutting refinement nanometer bubble generation technology of a sawtooth cutting ejector and a modern liquid nitrogen sealing technology; the gas source is a medical oxygen generator with the model of SND-3Y and the oxygen output of 3m3H, the oxygen flow is 12L/min, and the oxygen pressure at the outlet of the oxygen tank is 0.5 MPa; the inner diameter of a cutting cavity of the spiral cutter is phi 40 mm; water flow 3m3The linear velocity of water flow cutting is 1.3 m/s; the rated flow of the gas-liquid mixing pump is 3.5 m3/h, and the lift is 40 m; the source water is pollution-free and purely natural underground water which is 266 meters deep from the ground in mountainous regions near Yunyang county people and street river Baozui in Chongqing city.
A filtering system: coarse filtering with a quartz sand filter, wherein the model is ZX-SY800, and the treatment flow is 5 cubic per hour; the model of the activated carbon filter is KA-1, the treatment flow is 6 cubic meters per hour, and the size is 600mm, 1525 mm; then filtering by a vertical fine filter with the membrane aperture of 5 mu m and the diameter of 300mm multiplied by lloqm, wherein the aperture of an ultrafiltration membrane is 0.01 mu m; the security filter adopts a metal titanium rod filter, the filtering precision is 3 mu m, and the filtering flow is 4 tons/hour.
The all-in-one machine is a normal-pressure filling all-in-one machine with 24 heads, and the filling efficiency is 6000 bottles per hour; the addition amount of the original water of the environmental protection sterilizing agent of the Oxetashi is 20mg/L, and the concentration of the residual environmental protection sterilizing agent is 3mg/L after the filling is finished for 5 hours.
The high oxygen drinking water production process based on the gas nanocrystallization technology can produce high dissolved oxygen water with the concentration of 120mg/L, the filling system adopts an integrated filling machine with flushing, filling, sealing and rotating normal pressure, the equipment cost is low, the operation is stable and reliable, and the oxygen content in the filling process is not lost basically; the basic requirements and management criteria of places, facilities, equipment and personnel of links such as processing, packaging, storage and transportation in the production process and the like of the source water quality monitoring, water source sanitary protection and source water acquisition for the production of the high-oxygen drinking water are executed according to the requirements of GB 19298; the quality of the source water meets the sanitary requirement of GB5749 on the domestic drinking water source; the water quality of the source water after being treated meets the regulation of GB 5749; the determination of dissolved oxygen in high-oxygen water adopts the national standard GB/T20245.4-2013 electrochemical analyzer performance expression part 4: the measurement was carried out according to the document such as "measurement of dissolved oxygen in water" using a film-covered current sensor.
By using the production process of the high-oxygen water, the dissolved oxygen content of the produced high-oxygen water is 120mg/L under the conditions that the optimal water temperature is 8 ℃, the optimal water pressure is 0.4MPa and the optimal oxygen pressure is 0.5MPa, and the stability is good, for 500ml polyurethane bottles and 350ml pop cans filled with the high-oxygen water with the dissolved oxygen content of 120mg/L, the oxygen content can still reach 80 mg/L after the bottles are placed for 12 months, and the oxygen content can still reach 90mg/L after the bottles are placed for 24 hours in an open manner; the storage period of the high-oxygen water prepared by the high-oxygen water production process can reach 2 years, the high-oxygen water is obviously higher than that of the high-oxygen water produced by the existing production process, and the water quality indexes of finished water are in accordance with the national drinking water sanitary standard GB5749 and the mineral water sanitary standard GB 8537.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (7)
1. A high-oxygen drinking water production process based on a gas nanocrystallization technology is characterized by comprising the following steps:
(1) filtering source water by a quartz sand filter and an activated carbon filter in sequence, then feeding the filtered source water into a water cooling device for cooling, storing the cooled water in a raw water temporary storage tank, increasing the water pressure of the stored water by a raw water booster pump, further filtering the stored water by a precision filter and an ultrafilter in sequence, then storing the filtered water in a water purifying tank, sterilizing the water in the water purifying tank by an environment-friendly sterilization device, feeding the sterilized water into a degassing device for degassing, and storing the degassed water in a nitrogen-sealed water tank;
(2) feeding medical grade oxygen produced by a medical oxygen generator into an oxygen tank through an oxygen booster pump;
(3) mixing water in the nitrogen-sealed water tank and oxygen in the oxygen tank in a gas-liquid mixing pump, then feeding the mixture into a spiral cutter to perform gas-liquid cutting and mixing to form first-stage high-oxygen water, and then feeding the first-stage high-oxygen water into a sawtooth ejector to perform small-gap sawtooth cutting to form high-concentration high-oxygen water;
(4) the high-concentration high-oxygen water enters a cartridge filter to remove foreign matters and then flows into a water tank of a filling machine, and then is filled into a container through an all-in-one machine to prepare high-oxygen drinking water.
2. The process for producing high oxygen drinking water based on gas nanocrystallization technology as claimed in claim 1, wherein the cooling temperature in step (1) is 4-10 ℃.
3. The process for producing high-oxygen drinking water based on gas nanocrystallization technology as claimed in claim 1, wherein the water pressure after the raw water booster pump in step (1) is increased is 0.4-0.5 MPa.
4. The process for producing high oxygen drinking water based on gas nanocrystallization technology as claimed in claim 1, wherein the oxygen pressure in the oxygen tank in the step (2) is 0.4-0.6 MPa; the water pressure of the gas-liquid mixing pump in the step (3) is 0.4-0.5 MPa.
5. The process for producing high-oxygen drinking water based on gas nanocrystallization technology as claimed in claim 1, wherein the dissolved oxygen concentration of the first-level high-oxygen water is 30-50 mg/L; the concentration of the water-soluble oxygen in the water tank of the filling machine is 100-120 mg/L.
6. The utility model provides a high oxygen drinking water production system based on gaseous nanometer technology, its characterized in that, including quartz sand filter, active carbon filter, water cooling plant, former water temporary storage case, precision filter, ultra-fine filter, water purification jar and the environmental protection sterilizing equipment that connects gradually, former water temporary storage case still connects the former water booster pump, former water booster pump is connected to the former water booster pump, degassing unit, nitrogen sealing water tank and gas-liquid mixing pump are connected gradually to the environmental protection sterilizing equipment, environmental protection sterilizing equipment still connects the dosage and adds the medicine pump, spiral cutter, sawtooth sprayer and safety filter are connected gradually to the gas-liquid mixing pump, the oxygen jar is still connected to the gas-liquid mixing pump, the oxygen jar connects gradually oxygen booster pump and medical oxygenerator, safety filter connects gradually liquid filling machine water tank and all-in-one.
7. The high-oxygen drinking water production system based on the gas nanocrystallization technology as claimed in claim 6, wherein the spiral cutter comprises a positioning sleeve, a water inlet cavity is arranged in the positioning sleeve, a conical core is arranged in the water inlet cavity, two sides of the conical core are enlarged in a step shape along the inner wall of the water inlet cavity to form a sawtooth cutting cavity, and a gasket is arranged between the sawtooth cutting cavity and the positioning sleeve.
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