CN211770680U - Water purification system combining pressure ozone with ultrafiltration and activated carbon filtration - Google Patents
Water purification system combining pressure ozone with ultrafiltration and activated carbon filtration Download PDFInfo
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- CN211770680U CN211770680U CN201922377493.1U CN201922377493U CN211770680U CN 211770680 U CN211770680 U CN 211770680U CN 201922377493 U CN201922377493 U CN 201922377493U CN 211770680 U CN211770680 U CN 211770680U
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Abstract
The utility model relates to a pressure ozone combined ultrafiltration and active carbon filtration water purification system, which comprises a raw water pump, a mechanical grid prefilter, a booster pump, an ozone filling device, an ozone generator, an ozone microbubble generator, an ultrafiltration membrane component, an ozone reaction tank, a dosing device, a clean water tank and a clean water pump; the activity of algae is inhibited by using the oxidation of ozone with medium concentration, the release of algal toxin can be avoided, and algae, bacteria and 'two insects' in raw water can be removed by 100% by using the excellent filtration and interception performances of an ultrafiltration membrane. The utility model discloses utilize the ozone microbubble that the pressure differential produced can rinse the milipore filter surface in real time, avoid it to be stained by the bacterium, the online abluent frequency of chemistry that has significantly reduced has prolonged the life of milipore filter. The utility model discloses well milipore filter produces water back rethread ozone generator and pours into ozone into and realize rearmounted ozonization, and the remaining micromolecular organic matter of aquatic is got rid of in abundant oxidation, smells plain and aldehyde substance including soil, promotes the taste and the security of producing water by a wide margin.
Description
Technical Field
The utility model relates to a water treatment field especially relates to pressure ozone combines ultrafiltration and filterable water purification system of active carbon.
Background
At present, the traditional water purification equipment is coagulating sedimentation filtration, which is only suitable for high-quality water sources, but has no effect on three high water sources with high algae, high turbidity and high oxygen consumption, and can cause the following problems:
firstly, the algae removal efficiency of air floatation and coagulating sedimentation is difficult to reach more than 90 percent;
as the coagulant is not compatible with the surface of part of algae, the coagulation effect can not be achieved, and part of algae can not precipitate or float, and the part of algae easily has adverse effects on subsequent equipment, such as hardening of a filter tank, odor generation of water, increase of oxygen consumption and the like.
(II) the power consumption and the operation cost of the air floatation algae removal are high;
wherein the dissolved air pump needs high pressure to circulate about 8% of water, and the high energy consumption of the air compressor is added, so that the total operation cost is increased by 0.05 yuan/ton.
And (III) the air floatation removes the algae to generate odor, and the substances containing H2S, NH3 and mercaptan have great influence on the health of human bodies.
And (IV) the pure ultrafiltration membrane is easy to be polluted by algae and bacteria, and frequent chemical online cleaning is required. Resulting in a decrease in water production rate, an increase in discharge of chemical reagent-containing wastewater, and a reduction in the life of the ultrafiltration membrane.
SUMMERY OF THE UTILITY MODEL
The present applicant has made research and improvement in view of the above-mentioned existing problems, and has provided a water purification system using pressure ozone combined with ultrafiltration and activated carbon filtration, which can inhibit the activity of algae by using ozone oxidation, but does not dissolve the cell membrane of algae to avoid the release of algal toxins, and can remove 100% of algae and bacteria in raw water by using an ultrafiltration membrane to starve "two insects".
The utility model discloses the technical scheme who adopts as follows:
the water purification system combining pressure ozone with ultrafiltration and activated carbon filtration comprises a raw water pump, a mechanical grid prefilter, a booster pump, ozone filling equipment, an ozone generator, an ozone microbubble generator, an ultrafiltration membrane component, an ozone reaction tank, a dosing device, a clean water tank and a clean water pump; the inlet of the raw water pump is communicated with an external raw water source through a pipeline, the outlet of the raw water pump is communicated with the inlet of the mechanical grating prefilter through a pipeline, the outlet of the mechanical grating prefilter forms a first branch and a second branch, the first branch is sequentially connected with a booster pump and an ozone filling device and is connected with the inlet of an ozone microbubble generator after being gathered with the second branch, the outlet of the ozone microbubble generator is connected with the ultrafiltration membrane component through a pipeline, the sewage outlet of the ultrafiltration membrane component is connected with a wastewater discharge port through a pipeline, the water return port of the ultrafiltration membrane component is communicated with a pipeline connected with the inlet of the raw water pump through a water return pipe, the water production port of the ultrafiltration membrane component is connected with an ozone reaction tank through a pipeline, the outlet of the ozone reaction tank is also connected with the inlet of a clean water tank through a pipeline, the outlet of the clean water tank is connected with a clean water pump, and the clean water pump is communicated with a water supply pipe network through a pipeline; the device also comprises an ozone generator, wherein an outlet at one end of the ozone generator is connected with an inlet of the ozone filling equipment through a pipeline, and an outlet at the other end of the ozone generator is communicated with a pipeline between the second ozone reaction tank and the ultrafiltration membrane component.
The ozone filling equipment is of a Venturi suction structure or a dissolved air pump suction structure.
The utility model has the advantages as follows:
the utility model discloses utilize the ozone oxidation of medium concentration (being less than 2.5ppm) to restrain the algae activity, can avoid the release of algae toxin, utilize the excellent filtration interception performance of milipore filter can 100% get rid of algae, bacterium and "two worms" in the former aquatic. The utility model discloses utilize the ozone microbubble that the pressure differential produced can rinse the milipore filter surface in real time, avoid it to be stained by the bacterium, the online abluent frequency of chemistry that has significantly reduced has prolonged the life of milipore filter.
The utility model discloses well milipore filter produces water back rethread ozone generator and pours into ozone into and realize rearmounted ozonization, and the remaining micromolecule organic matter in the aquatic is got rid of in abundant oxidation, smell the plain including soil, 2-methyl isoborneol, mercaptan class material and aldehyde material, promote the taste and the security of producing water by a wide margin.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1. a raw water pump; 2. a mechanical grate prefilter; 3. a first branch; 4. a second branch circuit; 5. a booster pump; 6. ozone filling equipment; 7. an ozone generator; 8. an ozone microbubble generator; 9. a wastewater discharge port; 10. an ultrafiltration membrane module; 11. an ozone reaction tank; 12. a water return pipe; 13. a dosing device; 14. a clean water tank; 15. a clean water pump.
Detailed Description
The following describes embodiments of the present invention.
As shown in fig. 1, the water purification system combining pressure ozone with ultrafiltration and activated carbon filtration comprises a raw water pump 1, a mechanical grid prefilter 2, a booster pump 5, an ozone filling device 6, an ozone generator 7, an ozone microbubble generator 8, an ultrafiltration membrane assembly 10, an ozone reaction tank 11, a dosing device 13, a clean water tank 14 and a clean water pump 1.
As shown in fig. 1, an inlet of a raw water pump 1 is communicated with an external raw water source through a pipeline, an outlet of the raw water pump 1 is communicated with an inlet of a mechanical grille prefilter 2 through a pipeline, an outlet of the mechanical grille prefilter 2 forms a first branch 3 and a second branch 4, the first branch 3 is sequentially connected with a booster pump 5 and an ozone filling device 6 and is connected with an inlet of an ozone microbubble generator 8 after being gathered with the second branch 4, and the ozone filling device 6 is of a venturi suction type structure or a dissolved air pump suction type structure. An outlet of the ozone microbubble generator 8 is connected with an ultrafiltration membrane component 10 through a pipeline, a sewage discharge port of the ultrafiltration membrane component 10 is connected with a wastewater discharge port 9 through a pipeline, a water return port of the ultrafiltration membrane component 10 is communicated with a pipeline connected with an inlet of the raw water pump 1 through a water return pipe 12, a water production port of the ultrafiltration membrane component 10 is connected with an ozone reaction tank 11 through a pipeline, an outlet of the ozone reaction tank 11 is also connected with an inlet of a clean water tank 14 through a pipeline, an outlet of the clean water tank 14 is connected with a clean water pump 15, and the clean water pump 15 is communicated with a water supply network through; the device also comprises an ozone generator 7, wherein an outlet at one end of the ozone generator 7 is connected with an inlet of the ozone filling equipment 6 through a pipeline, and an outlet at the other end of the ozone generator 7 is communicated with a pipeline between the second ozone reaction tank 11 and the ultrafiltration membrane component 10.
The specific working process of purifying water by using the water purification system combining the pressure ozone with the ultrafiltration and the activated carbon filtration is as follows:
the first step is as follows: extracting raw water from a raw water source (lake and river) through a raw water pump 1, pressurizing the raw water by 2-4 kg, and introducing the raw water into a mechanical grid prefilter 2 for prefiltering large particles; the filtering precision of the mechanical grating prefilter is 100-400 um, so that the downstream ozone filling equipment 6 and the ultrafiltration membrane assembly 10 are protected from being scratched by large particles.
The second step is that: pressurizing 10% -40% of prefiltered water to 5-8 kg through a booster pump 5, and then feeding the prefiltered water into an ozone filling device 6, wherein the ozone filling device in the embodiment adopts a venturi suction type structure, low air pressure is formed at a throat of a venturi, and ozone generated by an ozone generator 7 is sucked, the ozone generator 7 is any one of a tubular ozone generator or a plate-type ozone generator, the ozone concentration of the ozone generator 7 is not less than 5%, and the pressure is not less than 0.5 kg. The ozone content is 0.5-2.5 ppm, the ozone and the filtered water are mixed to form mixed raw water, and 60% -90% of pre-filtered water is directly mixed with the mixed raw water without pressurization.
The third step: in the second step, the mixed raw water and the pre-filtered water which are completely and uniformly mixed enter an ozone microbubble generator 8, the pressure is reduced to 0.5-3 kg, a large amount of microbubbles are generated to form ozone-containing microbubble water, and undissolved free gas is discharged from an exhaust valve at the upper end of the ozone microbubble generator 8. A de-tail gas destroyer 7 may also be provided to decompose residual ozone and vent the tail gas to the atmosphere.
The fourth step: ozone-containing micro-bubble water enters the ultrafiltration membrane component 10, the ultrafiltration membrane component 10 adopts a strong oxidation ultrafiltration membrane, backwash water is discharged from the wastewater discharge port 9 through a pipeline, membrane concentrated water is returned to a raw water pipeline through the water return pipe 12 to be mixed and reused, and the membrane concentrated water also contains a certain amount of ozone, so that the ozone does not need to be added additionally manually, and the cost is greatly saved.
The fifth step: injecting the water produced by the ultrafiltration membrane into ozone generated by an ozone generator 7 again, wherein the ozone content is 1-6 ppm, then, allowing the water to enter an ozone reaction tank for staying for 1-10 minutes, and setting the pressure to be 0.5-2 kg;
and a sixth step: the water produced by the ozone reaction tank 11 enters a clean water tank after being supplemented with chlorine (sodium hypochlorite) by a dosing device;
the seventh step: the clean water pump pumps the drinking water from the clean water tank to the water supply network.
The utility model discloses utilize the ozone oxidation of medium concentration (being less than 2.5ppm) to restrain the algae activity, can avoid the release of algae toxin, utilize the excellent filtration interception performance of milipore filter can 100% get rid of algae, bacterium and "two worms" in the former aquatic. The utility model discloses utilize the ozone microbubble that the pressure differential produced can rinse the milipore filter surface in real time, avoid it to be stained by the bacterium, the online abluent frequency of chemistry that has significantly reduced has prolonged the life of milipore filter.
The utility model discloses well milipore filter produces water back rethread ozone generator and pours into ozone into and realize rearmounted ozonization, and the remaining micromolecule organic matter in the aquatic is got rid of in abundant oxidation, smell the plain including soil, 2-methyl isoborneol, mercaptan class material and aldehyde material, promote the taste and the security of producing water by a wide margin.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.
Claims (2)
1. Pressure ozone combines ultrafiltration and filterable water purification system of active carbon, its characterized in that: comprises a raw water pump (1), a mechanical grid prefilter (2), a booster pump (5), an ozone filling device (6), an ozone generator (7), an ozone microbubble generator (8), an ultrafiltration membrane component (10), an ozone reaction tank (11), a dosing device (13), a clean water tank (14) and a clean water pump (15); the raw water pump comprises a raw water pump (1), an inlet of the raw water pump (1) is communicated with an external raw water source through a pipeline, an outlet of the raw water pump (1) is communicated with an inlet of a mechanical grating prefilter (2) through a pipeline, an outlet of the mechanical grating prefilter (2) forms a first branch (3) and a second branch (4), the first branch (3) is sequentially connected with a booster pump (5) and an ozone filling device (6) and is connected with an inlet of an ozone microbubble generator (8) after being gathered with the second branch (4), an outlet of the ozone microbubble generator (8) is connected with an ultrafiltration membrane component (10) through a pipeline, a sewage discharge outlet of the ultrafiltration membrane component (10) is connected with a wastewater discharge port (9) through a pipeline, a water return port of the ultrafiltration membrane component (10) is communicated with a pipeline connected with an inlet of the raw water pump (1) through a water return pipe (12), a water production port of the ultrafiltration membrane component (10) is connected with, the outlet of the ozone reaction tank (11) is also connected with the inlet of a clean water tank (14) through a pipeline, the outlet of the clean water tank (14) is connected with a clean water pump (15), and the clean water pump (15) is communicated with a water supply network through a pipeline; the device is characterized by further comprising an ozone generator (7), wherein an outlet at one end of the ozone generator (7) is connected with an inlet of the ozone filling equipment (6) through a pipeline, and an outlet at the other end of the ozone generator (7) is communicated with a pipeline between the second ozone reaction tank (11) and the ultrafiltration membrane component (10).
2. The pressurized ozone combined ultrafiltration and activated carbon filtration water purification system of claim 1, wherein: the ozone filling equipment is of a Venturi suction structure or a dissolved air pump suction structure.
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| CN201922377493.1U CN211770680U (en) | 2019-12-25 | 2019-12-25 | Water purification system combining pressure ozone with ultrafiltration and activated carbon filtration |
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| CN201922377493.1U CN211770680U (en) | 2019-12-25 | 2019-12-25 | Water purification system combining pressure ozone with ultrafiltration and activated carbon filtration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110921925A (en) * | 2019-12-25 | 2020-03-27 | 江苏达格水务有限公司 | Water purification system combining pressure ozone with ultrafiltration and activated carbon filtration and process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921925A (en) * | 2019-12-25 | 2020-03-27 | 江苏达格水务有限公司 | Water purification system combining pressure ozone with ultrafiltration and activated carbon filtration and process thereof |
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