CN108862535B - Double self-priming device for preparing hydrogen-rich water pure water and method for preparing pure water using the device - Google Patents
Double self-priming device for preparing hydrogen-rich water pure water and method for preparing pure water using the device Download PDFInfo
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- CN108862535B CN108862535B CN201810720193.6A CN201810720193A CN108862535B CN 108862535 B CN108862535 B CN 108862535B CN 201810720193 A CN201810720193 A CN 201810720193A CN 108862535 B CN108862535 B CN 108862535B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 219
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 239000001257 hydrogen Substances 0.000 title claims abstract description 61
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims description 20
- 238000007872 degassing Methods 0.000 claims abstract description 71
- 239000012528 membrane Substances 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 34
- 238000003860 storage Methods 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 claims description 5
- 238000009849 vacuum degassing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 17
- 238000005086 pumping Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 4
- 230000002209 hydrophobic effect Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000012510 hollow fiber Substances 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000008213 purified water Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
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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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- Chemical & Material Sciences (AREA)
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
一种双自吸式制备富氢水纯水的装置，包括原水箱，还包括双自吸式搅拌器和U形脱气膜和纯水箱，原水箱、溶气水箱、U形脱气膜和纯水箱依次通过管道连通，在原水箱和溶气水箱相连通的管道上设置有水压表和水阀，在溶气水箱内设置有双自吸式搅拌器，双自吸式搅拌器和U形脱气膜之间还并联有储气箱。一种双自吸式制备富氢水纯水的装置的除气部分采用一个U形的脱气管，U形管中串联着两个中空式的纤维膜，以抽压脱气的方式进行气液分离，疏水性质的脱气膜在脱气时不会产生任何杂质，没有化学反应过程，保证了产品的安全性和可靠性。以串联的方式在U形脱气管中形成二级脱气，同时U形管的环形部分很好的减少了流体能量的沿程损失，能实现流体以较高的流速在管中流动。可以在增加水体流速的同时又能保证良好的除气质量，极大的缩短了水处理时间。
A double self-priming device for preparing hydrogen-rich water pure water, comprising a raw water tank, a double self-priming agitator, a U-shaped degassing membrane and a pure water tank, a raw water tank, a dissolved gas water tank, and a U-shaped degassing membrane It is connected with the pure water tank through pipelines in turn, and a water pressure gauge and a water valve are arranged on the pipeline connecting the original water tank and the dissolved air water tank. A gas storage tank is also connected in parallel between the U-shaped degassing membranes. The degassing part of a double self-priming device for preparing hydrogen-rich water pure water adopts a U-shaped degassing pipe, and two hollow fiber membranes are connected in series in the U-shaped pipe to carry out gas-liquid degassing by pumping and degassing. Separation, the degassing membrane with hydrophobic nature will not produce any impurities during degassing, and there is no chemical reaction process, which ensures the safety and reliability of the product. The second-stage degassing is formed in the U-shaped degassing pipe in series, and the annular part of the U-shaped pipe reduces the loss of fluid energy along the way, and the fluid can flow in the pipe at a higher flow rate. It can increase the water flow rate while ensuring good degassing quality, greatly shortening the water treatment time.
Description
Technical Field
The invention belongs to the high and new technical field of hydrogen-rich drinking water. And more particularly, to an apparatus for preparing pure water by degassing pure water.
Background
Hydrogen-rich water need carry out two items of core processing on hydrogen content's improvement, adopts special technology to increase the solubility of hydrogen in aqueous, still need carry out a pure water degassing process in addition before processing preparation hydrogen-rich water, will get rid of oxygen, nitrogen and the carbon dioxide in the pure water earlier, obtains the used pure water of preparation hydrogen-rich water. Therefore, the phenomenon that the oxidation of oxygen causes the dissolved hydrogen to react with oxygen when hydrogen molecules dissolve water is avoided, so that the hydrogen content of the product is reduced, and the effect of the product is influenced. The quality of pure water is related to the quality of hydrogen-rich water products, and as one of core technologies for hydrogen-rich water production, a method and a device for efficiently and stably preparing pure water are contents of research of various companies. Because of the particularity of hydrogen-enriched drinking water, it is necessary to remove all the gases in the water and ensure that the main composition, taste and trace elements contained in the water are not changed, so that the selection of the degassing method and the arrangement of the device are more stable and safer.
Aiming at a pretreatment degassing device of hydrogen-rich water, currently, a plurality of degassing methods mainly comprise membrane separation and vacuum degassing, and in comprehensive terms, a simple membrane separation method is adopted for long water treatment time, and the device has a plurality of required mechanical devices and large volume, and is not beneficial to the flow production of products; the vacuum degassing structure is complicated, and the operation difficulty is increased.
Disclosure of Invention
Aiming at the technical problems, the invention provides the device for preparing the high-hydrogen-content hydrogen-rich water pure water, which has the advantages of simple structure, fewer mechanical elements and simple operation.
The purpose of the invention is realized by the following steps:
the utility model provides a device of two self-priming preparation hydrogen-rich water pure water, includes former water tank, still includes two self-priming agitators and U-shaped degasification membrane and pure water case, and former water tank, dissolved air water tank, U-shaped degasification membrane and pure water case loop through the pipeline intercommunication, are provided with hydrostatic pressure table and water valve on former water tank and the pipeline that dissolved air water tank communicates, are provided with two self-priming agitators dissolving air water tank, and it has the gas storage tank still to have parallelly connected between two self-priming agitators and the U-shaped degasification membrane.
The double self-suction type device for preparing the pure water of the hydrogen-enriched water is characterized in that a barometer and an air valve are further arranged on a pipeline between the gas storage tank and the double self-suction type stirrer, and an air valve is arranged on a pipeline between the gas storage tank and the U-shaped degassing membrane.
Above-mentioned two device of inhaling formula preparation hydrogen-rich water pure water, two are from inhaling formula agitator includes the casing, be provided with the eccentric blade rotor in the casing, the pivot of eccentric blade rotor is stretched out the casing and is connected with driving motor outward, be radial blade that is provided with on the eccentric blade rotor, the blade is flexible blade, and the internal surface setting of casing is hugged closely at the top of blade, be provided with the water sucking mouth on the casing, delivery port and induction port, the eccentric blade rotor is kept away from to the position of water sucking mouth, position in the delivery port is close to the eccentric blade rotor, the induction port is directly over the casing.
Above-mentioned two device of inhaling formula preparation hydrogen-rich water pure water of inhaling, the blade indicates for flexible blade: the eccentric vane rotor is radially provided with vane grooves, the vane grooves are internally provided with elastic resetting parts, one end of each elastic resetting part is fixed on the eccentric vane rotor, and the other end of each elastic resetting part is fixed with a vane.
Above-mentioned two device of inhaling formula preparation hydrogen-rich water pure water of inhaling, U-shaped degasification membrane includes the U-shaped vacuum tube, is provided with the degasification fibrous membrane in two straight line portions of U-shaped vacuum tube, the circular arc part and two degasification fibrous membrane intercommunications of U-shaped vacuum tube and with two straight line portions of vacuum tube not communicate, the pipeline of intercommunication dissolved air water pipe directly communicates in the degasification fibrous membrane, communicate by gas circuit pipeline and gas storage tank in the upper portion and the lower part of U-shaped vacuum tube, intermediate layer intercommunication between gas storage tank and degasification fibrous membrane and the U-shaped vacuum tube.
The double self-suction type device for preparing the pure water of the hydrogen-rich water comprises a raw water tank, a dissolved air water tank, a water valve, a water pressure gauge, a water pressure meter and a water pressure meter, wherein the water pressure gauge is controlled to be 0.45-0.6MPa on a pipeline communicated with the raw water tank and the dissolved air water tank, and the water valve is controlled to be 6-15m in flow velocity of water on a pipeline communicated with the raw3And/hr, the pressure in the gas pipeline is 10-80 KPa.
A method for preparing pure water by using the double self-priming device for preparing the pure water of hydrogen-enriched water comprises the following steps: a. storing the water to be treated which is prefabricated and purified in a raw water tank; b. starting a motor of the double self-suction type stirrer, simultaneously adjusting the pressure of a water pressure gauge on a pipeline communicated with the raw water tank and the dissolved air water tank, controlling the flow rate of water by a water valve on the pipeline communicated with the raw water tank and the dissolved air water tank, and controlling the gas pressure on the pipeline between the U-shaped degassing membrane and the gas storage tank; c. the water enters the degassing fiber membrane of the U-shaped degassing membrane from the dissolved air water tank, and flows into the pure water tank after vacuum degassing.
The invention has the following advantages:
the degassing part of the double self-suction type device for preparing the pure water of the hydrogen-enriched water adopts a U-shaped degassing pipe, two hollow fiber membranes are connected in series in the U-shaped pipe, gas-liquid separation is carried out in a pressure-pumping degassing mode, the degassing membrane with hydrophobic property does not generate any impurity during degassing, a chemical reaction process does not exist, and the safety and the reliability of a product are ensured. The secondary degassing is formed in the U-shaped degassing pipe in a serial mode, and meanwhile, the annular part of the U-shaped pipe well reduces the loss of fluid energy along the way, and the fluid can flow in the pipe at a high flow speed. Can ensure good degassing quality while increasing the flow velocity of the water body, and greatly shortens the water treatment time.
The working principle is as follows: a double self-suction type blade stirrer is adopted and mainly comprises an eccentric rotor and a high-speed motor, wherein 12 blades forming an angle of 30 degrees with each other are arranged on the eccentric rotor, the blades can freely slide in a sliding chute, in the rotating process of the blades, the left side blades and the upper side blades extend outwards under the action of centrifugal force, the volume of a sealed working cavity is gradually enlarged to generate vacuum, a left cavity is connected with a raw water tank, and purified water in the water tank is sucked into the stirrer; the upper cavity is connected with the pumping hole of the U-shaped degassing pipe, pressure difference is formed between the upper cavity and high-pressure purified water in a low-pressure environment, and gas in the purified water easily enters the gas storage box through the hydrophobic membrane to complete gas-liquid separation. The right blades retract inwards, the volume of the sealing cavity is gradually reduced, the pure water to be treated is pressed into the U-shaped degassing pipe, and after air exhaust and degassing, the pure water finished product is sent into the pure water tank.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic structural view of a U-shaped membrane according to the present invention.
FIG. 3 is a schematic structural view of the dual self-priming agitator of the present invention.
Detailed Description
The utility model provides a device of two self-priming preparation hydrogen-rich water pure water, as shown in figure 1, including former water tank 1, water pressure gauge 2, water valve 3, two self-priming agitators 4, pneumatic valve 5, 8, barometer 6, gas storage tank 7, gas circuit pipeline 9, U-shaped degasification pipe 10, pure water tank 11, eccentric blade rotor 12, the eccentric blade rotor forms two self-priming agitators under the drive of motor, has water pressure gauge 2 and water valve 3 in the connecting tube of agitator and former water tank, be equipped with pneumatic valve 5 and 8, barometer 6 and gas storage tank 7 on the gas circuit pipeline. The U-shaped degassing membrane comprises a U-shaped vacuum tube 20, degassing fiber membranes 21 are arranged in two straight line parts of the U-shaped vacuum tube, an arc part 22 of the U-shaped vacuum tube is communicated with the two degassing fiber membranes and is not communicated with the two straight line parts of the vacuum tube, a pipeline communicated with a gas dissolving water pipe is directly communicated into the degassing fiber membranes, the upper part and the lower part of the U-shaped vacuum tube are communicated with a gas storage tank through gas pipelines 23, and the gas storage tank and an interlayer 24 between the degassing fiber membranes and the U-shaped vacuum tube are communicated.
The double self-suction type device for preparing the pure water of the hydrogen-rich water comprises a raw water tank, a dissolved air water tank, a water valve, a water pressure gauge, a water pressure meter and a water pressure meter, wherein the water pressure gauge is controlled to be 0.45-0.6MPa on a pipeline communicated with the raw water tank and the dissolved air water tank, and the water valve is controlled to be 6-15m in flow velocity of water on a pipeline communicated with the raw3And/hr, the pressure in the gas pipeline is 10-80 KPa.
As shown in fig. 3, the double self-priming stirrer includes a housing 13, an eccentric blade rotor 14 is provided in the housing, a rotating shaft of the eccentric blade rotor extends out of the housing to be connected with a driving motor, blades 15 are radially provided on the eccentric blade rotor, the blades are telescopic blades, the top of each blade is tightly attached to the inner surface of the housing, a water suction port 16, a water outlet 17 and an air suction port 18 are provided on the housing, the position of the water suction port is far away from the eccentric blade rotor, the position in the water outlet is close to the eccentric blade rotor, and the air suction port is directly above the housing.
The blade of the invention is a telescopic blade finger: vane grooves 19 are radially arranged on the eccentric vane rotor, elastic reset components are arranged in the vane grooves, one end of each elastic reset component is fixed on the eccentric vane rotor, and the other end of each elastic reset component is fixed on a vane.
The device for preparing the pure water of the hydrogen-rich water by adopting the double self-suction type comprises the following steps:
step (1) storing the pre-prepared purified water to be treated in an original water tank 1, wherein the water to be treated is purified and filtered to reach the purified water or mineral water for direct drinking, and the water quality requirement meets the national standard of food safety of the people's republic of China GB 19298-;
step (2) starting the high-speed motor, simultaneously adjusting the opening of the water valve to stabilize the reading of the water pressure gauge at 0.6MPa, wherein the liquid is 15m3A flow rate of/hr (66 gpm) flowed in the pipe.
And (3) adjusting the air valve to ensure that the pressure representation number on the air path pipeline is changed at 80-10kpa, at the moment, the outside of the degassing fiber membrane is in a vacuum state, the solubility of oxygen, carbon dioxide, ammonia, nitrogen and other gases in the liquid is continuously reduced along with the reduction of the pressure, and the gases pass through the degassing fiber membrane and are separated from the liquid.
And (4) allowing the liquid passing through the U-shaped degassing pipe to flow into a pure water barrel.
In this example, the degassing efficiency of the apparatus for producing pure water of hydrogen-rich water by double self-priming at a constant liquid flow rate (66 gpm) and different pumping pressures is shown in table 1, and in order to show the effect of the apparatus on increasing the hydrogen concentration of hydrogen-rich water, raw water of hydrogen-rich water produced by the method of the present invention at different degassing efficiencies was used in the next step of the process for producing hydrogen-rich water, and the hydrogen concentration was measured by a detector and is included in table 1. The ambient temperature was 25 ℃ throughout the process.
TABLE 1
Example 2
The difference from the example 1 is that the opening degree of the water valve is adjusted to make the liquid pressure stable at 0.55MPa, and the liquid is 12m3A flow rate of/hr (52.8 gpm) flowed in the waterway pipes.
In order to show the effect of the device on increasing the hydrogen concentration of the hydrogen-rich water, the raw water of hydrogen-rich water prepared by the method of the invention under different degassing efficiencies was used for the next step of the method for preparing hydrogen-rich water, and the hydrogen concentration thereof was measured by a detector and is included in table 2. The ambient temperature was 25 ℃ throughout the process.
TABLE 2
Example 3
The difference from the example 2 is that the opening degree of the water valve is adjusted to make the liquid pressure stable at 0.5MPa, and the liquid is 9m3A flow rate of/hr (39.6 gpm) flowed in the water line pipe.
In this example, the degassing efficiency of the apparatus for producing pure water of hydrogen-rich water by double self-priming at a constant liquid flow rate (39.6 gpm) and different pumping pressures is shown in table 3, and in order to show the effect of the apparatus on increasing the hydrogen concentration of hydrogen-rich water, raw water of hydrogen-rich water produced by the method of the present invention at different degassing efficiencies was used in the next step of the process for producing hydrogen-rich water, and the hydrogen concentration was measured by a detector and is included in table 3. The ambient temperature was 25 ℃ throughout the process.
TABLE 3
Example 4
The difference from the example 3 is that the opening degree of the water valve is adjusted to make the liquid pressure stable at 0.45MPa, and the liquid is at 6m3A flow rate of/hr (26.4 gpm) was flowed in the water line pipe.
In this example, the degassing efficiency of the apparatus for producing pure water of hydrogen-rich water by double self-priming at a constant liquid flow rate (26.4 gpm) and different pumping pressures is shown in table 4, and in order to show the effect of the apparatus on increasing the hydrogen concentration of hydrogen-rich water, raw water of hydrogen-rich water produced by the method of the present invention at different degassing efficiencies was used in the next step of the process for producing hydrogen-rich water, and the hydrogen concentration was measured by a detector and is included in table 4. The ambient temperature was 25 ℃ throughout the process.
TABLE 4
The velocity of water treatment was increased simultaneously with the increase in the flow velocity of the liquid, but the flow velocity of water could not be set too high to ensure removal of as much contaminant gas as possible from the purified water, and the degassing efficiency was limited to 6m under different conditions according to examples 1-4, in combination with the actual conditions3In the case where the degassing quality and the degassing efficiency are relatively high at an evacuation pressure of 10 kpa/hr (26.4 ppm), accordingly, the hydrogen concentration in the hydrogen-rich water produced in the next step of the process for producing hydrogen-rich water using the raw water of hydrogen-rich water produced by the above-mentioned method is relatively high.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (5)
1. The utility model provides a device of two self-priming preparation hydrogen-rich water pure water, includes former water tank, its characterized in that: the device also comprises a double self-suction type stirrer, a U-shaped degassing membrane and a pure water tank, wherein the raw water tank, the dissolved air water tank, the U-shaped degassing membrane and the pure water tank are sequentially communicated through pipelines, a water pressure gauge and a water valve are arranged on the pipeline through which the raw water tank is communicated with the dissolved air water tank, the double self-suction type stirrer is arranged in the dissolved air water tank, and a gas storage tank is connected in parallel between the double self-suction type stirrer and the U-shaped degassing membrane; the U-shaped degassing membrane comprises a U-shaped vacuum tube, degassing fiber membranes are arranged in two straight line parts of the U-shaped vacuum tube, the circular arc part of the U-shaped vacuum tube is communicated with the two degassing fiber membranes and is not communicated with the two straight line parts of the vacuum tube, a pipeline communicated with a gas dissolving water pipe is directly communicated into the degassing fiber membranes, the upper part and the lower part of the U-shaped vacuum tube are communicated with a gas storage tank through gas pipelines, and the gas storage tank and an interlayer between the degassing fiber membranes and the U-shaped vacuum tube are communicated; the double self-suction type stirrer comprises a shell, wherein an eccentric blade rotor is arranged in the shell, a rotating shaft of the eccentric blade rotor extends out of the shell and is connected with a driving motor, blades are radially arranged on the eccentric blade rotor and are telescopic blades, the top of each blade is tightly attached to the inner surface of the shell, a water suction port, a water outlet and an air suction port are arranged on the shell, the position of the water suction port is far away from the eccentric blade rotor, the position in the water outlet is close to the eccentric blade rotor, and the air suction port is arranged right above the shell.
2. The dual self-priming apparatus for producing pure water of hydrogen-rich water according to claim 1, characterized in that: an air pressure gauge and an air valve are also arranged on a pipeline between the air storage tank and the double self-suction type stirrer, and an air valve is arranged on a pipeline between the air storage tank and the U-shaped degassing membrane.
3. The dual self-priming apparatus for producing pure water of hydrogen-rich water according to claim 1, characterized in that: the blade is a telescopic blade finger: the eccentric vane rotor is radially provided with vane grooves, the vane grooves are internally provided with elastic resetting parts, one end of each elastic resetting part is fixed on the eccentric vane rotor, and the other end of each elastic resetting part is fixed with a vane.
4. The dual self-priming apparatus for producing pure water of hydrogen-rich water according to claim 3, characterized in that: the water pressure gauge on the pipeline communicated with the raw water tank and the dissolved air water tank is controlled at 0.45-0.6MPa, and the water valve on the pipeline communicated with the raw water tank and the dissolved air water tank is controlled at the water flow rate of 6-15m3The pressure in the gas path pipeline is 10-80 kPa.
5. A method for producing pure water using the dual self-priming apparatus for producing pure water of hydrogen-rich water according to any one of claims 1 to 4, characterized in that: the method comprises the following steps: a. storing the water to be treated which is prefabricated and purified in a raw water tank; b. starting a motor of the double self-suction type stirrer, simultaneously adjusting the pressure of a water pressure gauge on a pipeline communicated with the raw water tank and the dissolved air water tank, controlling the flow rate of water by a water valve on the pipeline communicated with the raw water tank and the dissolved air water tank, and controlling the gas pressure on the pipeline between the U-shaped degassing membrane and the gas storage tank; c. the water enters the degassing fiber membrane of the U-shaped degassing membrane from the dissolved air water tank, and flows into the pure water tank after vacuum degassing.
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| CN101655088A (en) * | 2008-08-18 | 2010-02-24 | 通用汽车环球科技运作公司 | Self-priming vane pump |
| CN201753687U (en) * | 2010-03-22 | 2011-03-02 | 黄武源 | Self-priming energy-saving and high-efficiency water pump |
| JP2015206097A (en) * | 2014-04-23 | 2015-11-19 | 旭硝子株式会社 | degasser |
| CN107335353A (en) * | 2017-08-01 | 2017-11-10 | 马杰 | A kind of preparation facilities and preparation method of small molecule nanometer reduction high concentrate hydrogen-rich drinking water |
| CN207552020U (en) * | 2017-11-02 | 2018-06-29 | 杭州科星水处理工程有限公司 | A kind of film degasser in pharmacy purifying water treatment system |
| CN107879517A (en) * | 2017-12-14 | 2018-04-06 | 浙江启尔机电技术有限公司 | A kind of ultrapure flotation unit for liquid immersion lithography |
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