CN114180738A - High-water-efficiency water purifier with multistage composite deep filtration and working method thereof - Google Patents
High-water-efficiency water purifier with multistage composite deep filtration and working method thereof Download PDFInfo
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- CN114180738A CN114180738A CN202111477048.8A CN202111477048A CN114180738A CN 114180738 A CN114180738 A CN 114180738A CN 202111477048 A CN202111477048 A CN 202111477048A CN 114180738 A CN114180738 A CN 114180738A
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- 238000001914 filtration Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 92
- 239000012528 membrane Substances 0.000 claims abstract description 60
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 60
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 36
- 239000004743 Polypropylene Substances 0.000 claims abstract description 34
- 238000012544 monitoring process Methods 0.000 claims abstract description 29
- -1 polypropylene Polymers 0.000 claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 claims abstract description 16
- 238000011118 depth filtration Methods 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims description 23
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- 238000001179 sorption measurement Methods 0.000 claims description 10
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- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 5
- 229910052740 iodine Inorganic materials 0.000 claims description 5
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- 238000004891 communication Methods 0.000 claims 1
- 238000011010 flushing procedure Methods 0.000 abstract description 21
- 239000008399 tap water Substances 0.000 abstract description 12
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- 210000001503 joint Anatomy 0.000 description 3
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
Abstract
A multi-stage composite depth filtration high-efficiency water purifier comprises a first-stage composite filter element, a second-stage polypropylene melt-blown filter element, a third-stage reverse osmosis membrane filter element, a fourth-stage active carbon filter element, a water storage barrel and a monitoring instrument system, wherein a tap water inlet pipe, the first-stage composite filter element, a first water pipe, a second-stage polypropylene melt-blown filter element and one end of a second water pipe are sequentially connected, and one end of the second water pipe is respectively connected with one end of a third water pipe and one end of a fourth water pipe through a tee joint. The high-water-efficiency water purifier with the multistage composite deep filtration and the working method thereof have reasonable structural design, can effectively remove pollutants in water by adopting the four-stage filter element, ensures that the discharged pure water reaches the national drinking water standard, plays a role in internal flushing and external discharging, avoids the overlow flow and recovery rate of the pure water, saves water resources, can monitor the quality of the purified and filtered water in real time, and has intelligent working method and wide application prospect.
Description
Technical Field
The invention belongs to the technical field of water purification machines, and particularly relates to a high-water-efficiency water purification machine with multi-stage composite deep filtration and a working method thereof.
Background
Along with the improvement of the living standard of people and the deterioration of drinking water quality caused by the increasing severity of environmental pollution, people put forward higher requirements on drinking water. Water dispensers and barreled water enter common families in the end of the 90 s, and as a new product, the concept of a water purifier is not familiar to vast Chinese consumers at present. The water purifier is a terminal water purifying device, generally uses tap water as raw water, filters harmful substances in the raw water, and processes pure water which can be directly drunk.
The water purification machine in the prior art has the following problems: 1. 3 cups of concentrated water need to be drained while one cup of pure water is prepared, the water yield (recovery rate) is only 25 percent or even lower, water is wasted very much, and China is a country with extremely deficient water resources, so much concentrated water is discharged in vain; 2. therefore, in order to solve the above technical problems, it is necessary to develop a multi-stage composite deep filtration high-efficiency water purification machine and a working method thereof.
Chinese patent application No. CN200710124808.0 discloses a water purifier and a working method thereof, aiming at keeping the cleanness of a filter element by regularly flushing a pretreatment device and flushing a post-treatment device in real time, and solving the problems of serious waste and lack of instruments for monitoring the water production quality of the water purifier.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide the high-water-efficiency water purifier with the multi-stage composite deep filtration and the working method thereof, the structural design is reasonable, the four-stage filter element is adopted, pollutants in the water body can be effectively removed, the discharged pure water reaches the national drinking water standard, the effects of internal flushing and external discharge are achieved, the flow rate and the recovery rate of the pure water are prevented from being too low, the water resource is saved, the quality of the purified and filtered water can be monitored in real time, the working method is simple, and the application prospect is wide.
The purpose of the invention is realized by the following technical scheme:
the technical scheme is as follows: the utility model provides a high water efficiency water purification machine of multistage compound depth filtration, includes first level composite filter core, second level polypropylene melt-blown filter core, third level reverse osmosis membrane filter core, fourth level active carbon filter core, water storage bucket, monitor system, and the one end of running water inlet tube, first level composite filter core, water pipe one, second level polypropylene melt-blown filter core, water pipe two connects gradually, and the one end of water pipe two is connected with the one end of water pipe three, the one end of water pipe four respectively through tee coupling one, the other end of water pipe three, water pump, water pipe five, third level reverse osmosis membrane filter core connect gradually, the pure water end of third level reverse osmosis membrane filter core, the one end of water pipe six connect gradually, the other end of water pipe six is connected with the one end of water pipe seven, the one end of water pipe eight respectively through tee coupling two, the other end of water pipe seven, fourth level active carbon filter core, water pipe nine, The monitoring instrument system and the pure water outlet pipe are sequentially connected, the other end of the water pipe eight and the water storage barrel are sequentially connected, the concentrated water end of the third-stage reverse osmosis membrane filter element and one end of the water pipe ten are connected, and the other end of the water pipe ten is respectively connected with the other end of the water pipe four and the concentrated water outlet pipe through a three-way joint;
the high-pressure water supply system comprises a water pipe I, a water pipe II, a water inlet electromagnetic valve, a single return valve I, a combination valve, a single return valve II, a high-pressure switch, a water outlet electromagnetic valve and a combination electromagnetic valve, wherein the water pipe I is provided with a low-pressure switch, the water pipe II is provided with a water inlet electromagnetic valve, the water pipe IV is sequentially provided with the single return valve I and the combination valve, the water pipe VI is provided with the single return valve II, the water pipe VIII is provided with the high-pressure switch, the water pipe IX is provided with the water outlet electromagnetic valve, and the concentrated water outlet pipe is provided with the combination electromagnetic valve; the controller is respectively connected with the low-voltage switch, the water inlet electromagnetic valve, the combination valve, the water pump, the high-voltage switch, the water outlet electromagnetic valve, the monitoring instrument system and the combination electromagnetic valve and controls the low-voltage switch, the water inlet electromagnetic valve, the combination valve, the water pump, the high-voltage switch, the water outlet electromagnetic valve, the monitoring instrument system and the combination electromagnetic valve.
The invention relates to a multi-stage composite deep filtration high-water-efficiency water purifier which has reasonable structural design, adopts four stages of filter elements, namely a first-stage composite filter element, a second-stage polypropylene melt-blown filter element, a third-stage reverse osmosis membrane filter element and a fourth-stage active carbon filter element respectively, can effectively remove pollutants in water, can effectively remove the pollutants, and can reach the national drinking water standard, and has the functions of internal flushing and external discharging through a concentrated water return pipeline consisting of a combination valve, a combination solenoid valve, a water inlet solenoid valve, a water pump and the like, wherein the combination solenoid valve is closed during the internal flushing, the water inlet solenoid valve and the combination valve are opened, the water pump starts to run, tap water passes through the water inlet solenoid valve, the water pump and the third-stage reverse osmosis membrane filter element, a small part of the tap water is discharged through the combination solenoid valve, the other part of the tap water returns to the water pump through the opened combination valve and is mixed with the tap water, and then reaches the third-stage reverse osmosis membrane filter element through the water pump, erode third level reverse osmosis membrane filter core, form an internal flushing circulation, prevent through the internal flushing mode that third level reverse osmosis membrane filter core from producing concentration polarization phenomenon, prevent particulate matter and colloidal deposit and salinity crystallization, reduce the preceding concentrated water concentration of third level reverse osmosis membrane filter core, partial pollutant is discharged along with the concentrated water through the combination solenoid valve, has avoided pure water flow and rate of recovery to hang down excessively, has practiced thrift the water resource.
Through setting up monitoring instrument system, can carry out real-time supervision to the quality of water after purifying and filtering in real time to judge whether first order composite filter element, second level polypropylene melt-blow filter core, third level reverse osmosis membrane filter core, fourth level active carbon filter core in the water purification machine need change.
Furthermore, the multistage composite deep filtration high-water-efficiency water purification machine comprises a first-stage filter bottle body, granular activated carbon and 5-micron PP cotton, wherein the granular activated carbon and the 5-micron PP cotton are sequentially arranged inside the first-stage filter bottle body from bottom to top, the packing density of the granular activated carbon is 85% +/-5%, the mesh number is 8-30 meshes, the ash content is less than 3, the strength is greater than or equal to 95%, the iodine adsorption value of the activated carbon is greater than or equal to 900mg/g, and the methylene blue adsorption value is greater than or equal to 180 mg/g.
Running water flows in from a water inlet of a first-stage filter flask body close to the granular activated carbon, enters a 5-micrometer PP cotton outer cavity after being adsorbed by the granular activated carbon, then enters a 5-micrometer PP cotton inner cavity after being filtered by 5-micrometer PP cotton, and then flows out from a water outlet of the first-stage filter flask body. The water inlet and the water outlet of the first-stage filter flask body are of a clear rod structure and can be in butt joint with a quick connector. The first order filter flask body of first order composite filter element volume adopts and melts the technique soon, and the bottle of first order filter flask body is fixed promptly, and the bottle lid is high-speed rotatory pushes down the bottle, produces high temperature through high-speed rotatory bottle lid and bottle friction, and the two melts and obtains first order filter flask body as an organic whole.
Furthermore, foretell compound deep filtration's of multistage high water efficiency water purification machine, second level polypropylene melts and spouts the filter core and include the cotton filter core of second level filter flask body, 1 micron PP, the cotton filter core setting of 1 micron PP is inside the second level filter flask body.
The water flow filtered by the first-stage composite filter element flows in from the water inlet of the second-stage filter bottle body, enters the 1 micron PP cotton outer cavity, then enters the 1 micron PP cotton inner cavity after being filtered by the 1 micron PP cotton, and then flows out from the water outlet of the second-stage filter bottle body. The water inlet and the water outlet of the second-stage filter flask body are of a clear rod structure and can be in butt joint with the quick connector. The second-stage filter flask body also adopts a spin-melting technology.
Further, foretell compound deep filtration's of multistage high water efficiency water purification machine, third level reverse osmosis membrane filter core includes third level filter flask body, center tube, reverse osmosis membrane piece, be provided with the center tube in the third level filter flask body, wind reverse osmosis membrane piece has been arranged to the center tube, be provided with the water-stop sheet that separates into upper center tube and lower center tube with the center tube in the center tube, be provided with the water catch bowl down on the center tube pipe wall, just be located the water catch bowl below in the center tube down and be provided with the third level check valve that can cut center tube and direction top-down.
The top end of the upper central tube is provided with a water inlet of the third-stage reverse osmosis membrane filter element, the side wall of the upper central tube is provided with a water passing hole communicated with the reverse osmosis membrane, and the bottom of the lower central tube is provided with a water outlet of the third-stage reverse osmosis membrane filter element. The number of the water collecting holes can be set according to actual requirements, such as the specification of a reverse osmosis membrane filter element, the water quality and the water flow of filtered water and the like. Set up the tertiary check valve who plays the one-way sealed effect below the water collecting hole, realize unified isolation, effectively solve the pressure dispersion problem, reach the isolation seal effect. Through the pure water that can take place forward osmosis before third level check valve will filter with the membrane pure water can keep apart, can also make pure water side forward osmosis power as little as possible through third level check valve, and reduce forward osmosis and reverse osmosis effect, effectively reduce then can be by the TDS value of this partial water of forward osmosis in the center tube.
Furthermore, in the multi-stage composite deep filtration high-water-efficiency water purifier, a drain rod is arranged in the lower central pipe and above the third-stage check valve, a boss is arranged in the middle of the water-stop plate, and a clamping groove clamped on the boss is arranged at the top of the drain rod; a limiting groove with a downward opening is formed in the bottom of the drainage rod, and a limiting pin matched with the limiting groove is arranged on the pipe wall of the central pipe; the lower part of the drainage rod is positioned on the outer wall of the drainage rod and is provided with a plurality of salient points which are uniformly distributed around the drainage rod, and a gap is reserved between each salient point and the inner wall of the central tube.
The water drainage rod is a hollow rod with a hollow middle part and water baffles at two ends, and by adopting the structure, closed pure water in the central pipe when the water purifier is shut down can be fully discharged, and meanwhile, the weight of the water drainage rod can be reduced, and the production cost is reduced. Because the part of water in the central tube is positioned at the upper part of the third-stage one-way valve, the part of water still can be positively permeated by the part of water with higher TDS value remained in the reverse osmosis membrane after the water purifier is stopped, so that the TDS value of the part of water is increased, a water drainage rod is arranged in the central tube to reduce the part of water as much as possible, so that even if the part of water is taken when the water purifier is stopped to take water, the part of water can be neutralized by pure water due to small amount of water, and simultaneously, the part of solution is easily saturated when the part of water is positively permeated due to small amount of water, so that the part of pure water can not be permeated for a long time, the TDS value of finally taken water is reduced to a certain extent relative to the part of water, the TDS value of the first cup of water taken out is small, and the water quality of the water purifier is ensured.
Through set up draw-in groove and spacing groove respectively about the drain bar, the restriction to the drain bar position is realized, the boss sets up at the water-stop sheet middle part, spacing pin also sets up the intermediate position department of relative center tube axle core in the center tube simultaneously, the drain bar lower part just is located and is equipped with a plurality of bump around the drain bar evenly arranged on the drain bar outer wall simultaneously, leave the clearance between bump and the center tube inner wall, the drain bar lower extreme just has dual spacing, so that drain bar 1 can be in central point puts in the center tube, thereby can further improve the stability that the drain bar is in the center tube intermediate position.
Furthermore, according to the high-water-efficiency water purification machine with multi-stage composite deep filtration, the fourth-stage activated carbon filter element comprises a fourth-stage filter bottle body and granular activated carbon, the granular activated carbon is arranged inside the fourth-stage filter bottle body, the filling density of the granular activated carbon is 85% +/-5%, the mesh number of the granular activated carbon is 30-50 meshes, the ash content is less than 3, the strength is greater than or equal to 95%, the iodine adsorption value of the activated carbon is greater than or equal to 1000mg/g, and the methylene blue adsorption value is greater than or equal to 200 mg/g.
The fourth grade active carbon filter core is last one-level filter core, and the purpose is the peculiar smell in further absorption water, improves the taste, and the granule active carbon of packing is more tiny than the granule active carbon granule of first order composite filter core, adsorbs more fully, and the active carbon filter core can not fill overfill, and the volume can take place the inflation after the granule active carbon receives the water logging to soak. The water inlet and the water outlet of the second-stage filter flask body are of a clear rod structure and can be in butt joint with the quick connector. The second-stage filter flask body also adopts a spin-melting technology.
The invention also relates to a working method of the multistage composite deep filtration high-water-efficiency water purifier, which comprises the steps of concentrated water reuse and online monitoring; wherein, concentrated water is recycled, including the following step: the concentrated water flowing out of the concentrated water end 302 of the third stage reverse osmosis membrane filter element 3 is divided into two parts, one part is discharged from the concentrated water outlet pipe 9 through the combined electromagnetic valve 91 of 150 mL/min, the other part flows back to the water pump 31 from the water pipe four 23 through the combined valve 232 of 550 mL/min and the single return valve one 231, and enters the third stage reverse osmosis membrane filter element 3 again from the water pipe five 32 after being pressurized by the water pump 31, so that the concentrated water is reused.
The water inlet electromagnetic valve, the combined valve, the water pump and the like are all controlled by the controller, a concentrated water recycling link (namely an internal flushing link) is embedded into a water making program in the operation logic of the controller, time judgment is carried out by a time counter of the controller, after water making reaches 5 minutes, the water inlet electromagnetic valve, the water pump and the combined valve are opened (the internal flushing function is played), the combined electromagnetic valve is closed (the external flushing function is played), the time lasts for 1 minute, the water making program is started after the water making is finished, and then the time is counted until the water full standby state is reached. If the low-pressure switch judges that water shortage occurs in the concentrated water recycling state, the controller closes the water inlet electromagnetic valve, the water pump, the combination valve and the combination electromagnetic valve to enter a water shortage state until the water pressure is enough, and the high-pressure switch and the low-pressure switch are closed to enter a water making program.
Wash 1 minute mode through above-mentioned every system water 5 minutes, wash the reverse osmosis membrane multifrequency long time of third level reverse osmosis membrane filter core, prevent that tiny particulate matter and colloid enrichment, salinity from condensing and the incrustation scale deposit, can effectively improve reverse osmosis membrane life-span, in pure water flow, instantaneous flow, desalination and rate of recovery are all qualified.
Further, the working method of the multistage composite deep filtration high-water-efficiency water purifier comprises the following steps of on-line monitoring: the monitoring instrument system comprises a buffer bottle, a peristaltic pump, an online conductivity meter measuring tank, a conductivity detector, a total organic carbon detecting tank and a total organic carbon analyzer, pure water flowing out of a water pipe nine enters the buffer bottle through an inlet of the buffer bottle, when the buffer bottle is filled with pure water, the overflow port of the buffer bottle is drained with the pure water, the water pump valve is automatically opened, the pure water enters the on-line conductivity meter measuring tank and the total organic carbon detecting tank respectively after the flow rate of the pure water is adjusted by the peristaltic pump, and is rapidly filled in the on-line conductivity meter measuring tank and the total organic carbon detecting tank, after the pure water is stabilized, the conductivity detector of the on-line conductivity meter measuring pool and the total organic carbon analyzer of the total organic carbon detecting pool respectively carry out continuous and dynamic conductivity and TOC tests on the pure water, and transmitting the monitored conductivity and TOC data to a controller in real time, and uploading the data to an upper computer by the controller.
Compared with the prior art, the invention has the following beneficial effects:
(1) the high-efficiency water purifier with the multistage composite deep filtration has reasonable structural design, adopts four-stage filter elements, namely a first-stage composite filter element, a second-stage polypropylene melt-blown filter element, a third-stage reverse osmosis membrane filter element and a fourth-stage active carbon filter element, and can effectively remove pollutants in water, and the discharged pure water reaches the national drinking water standard;
(2) the working method of the high-water-efficiency water purifier with the multi-stage composite deep filtration is simple, the concentrated water return pipeline consisting of the combination valve, the combination solenoid valve, the water inlet solenoid valve, the water pump and the like plays a role in internal flushing and external discharging, an internal flushing cycle is formed, a third-stage reverse osmosis membrane filter element is prevented from generating a concentration polarization phenomenon in an internal flushing mode, particles, colloid deposition and salt crystallization are prevented, the concentrated water concentration in front of the third-stage reverse osmosis membrane filter element is reduced, partial pollutants are discharged along with the concentrated water through the combination solenoid valve, the low pure water flow and recovery rate are avoided, water resources are saved, and energy consumption is reduced; through setting up monitoring instrument system, can carry out real-time supervision to the quality of water after purifying and filtering in real time, have better economic nature, application prospect is extensive.
Drawings
FIG. 1 is a schematic diagram of a multi-stage composite deep filtration high-efficiency water purifier according to the present invention;
FIG. 2 is a block diagram of a multi-stage composite depth filtration high-efficiency water purifier according to the present invention;
FIG. 3 is a schematic diagram of a third stage reverse osmosis membrane filter element of a multi-stage composite depth filtration high water efficiency water purification machine according to the present invention;
FIG. 4 is a schematic structural diagram of a central tube of a third stage reverse osmosis membrane filter element of a multi-stage composite depth filtration high water efficiency water purification machine according to the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 4 of the multi-stage composite depth filtration high water efficiency water purification machine according to the present invention;
FIG. 6 is an enlarged view of the portion B of the high water efficiency water purification machine with multi-stage composite depth filtration according to the present invention;
FIG. 7 is a schematic diagram of a monitoring instrument system of a multi-stage composite depth filtration high-water-efficiency water purifier according to the present invention;
in the figure: the filter comprises a first-stage composite filter element 1, a first water pipe 11, a low-pressure switch 111, a second-stage polypropylene melt-blown filter element 2, a second water pipe 21, a first three-way joint 211, a water inlet electromagnetic valve 212, a third water pipe 22, a fourth water pipe 23, a first single-return valve 231, a combination valve 232, a third-stage reverse osmosis membrane filter element 3, a pure water end 301, a concentrated water end 302, a third-stage filter bottle body 311, a central pipe 312, an upper central pipe 3121, a lower central pipe 3122, a water stop board 3123, a water collecting hole 1324, a boss 3125, a clamping groove 3126, a limit pin 3127, a reverse osmosis membrane 313, a third-stage one-way valve 314, a water drainage rod 315, a limit groove 3151, a salient point 3152, a water pump 31, a fifth water pipe 32, a sixth water pipe 33, a second three-way joint 331, a second single-return valve 332, a tenth water pipe 34, a three-way joint 341, a fourth-stage activated carbon filter element 4, a seventh water pipe 41, a high-pressure switch 511, a ninth water pipe 42, a water outlet electromagnetic valve 421, a water storage barrel 5, an eight water storage barrel 51, a monitoring instrument system 6, a monitoring instrument system, a monitoring system, and a monitoring system, Buffer bottle 61, inlet 611, overflow port 612, water pump valve 613, peristaltic pump 62, online conductivity meter measuring tank 63, conductivity detector 64, total organic carbon detecting tank 65, total organic carbon analyzer 66, tap water inlet pipe 7, pure water outlet pipe 8, concentrated water outlet pipe 9, combined electromagnetic valve 91, controller 10, upper computer 101, a drain port, b online conductivity meter measuring tank inlet, c total organic carbon detecting tank inlet, d online conductivity meter measuring tank outlet, e total organic carbon detecting tank outlet, f drain pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following specific embodiments and accompanying fig. 1-7, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 7, the following embodiments provide a multi-stage composite depth filtration high-efficiency water purification machine, which includes a first-stage composite filter element 1, a second-stage polypropylene melt-blown filter element 2, a third-stage reverse osmosis membrane filter element 3, a fourth-stage active carbon filter element 4, a water storage bucket 5, a monitoring instrument system 6, a tap water inlet pipe 7, the first-stage composite filter element 1, a first water pipe 11, the second-stage polypropylene melt-blown filter element 2, and one end of a second water pipe 21 are sequentially connected, one end of the second water pipe 21 is respectively connected with one end of a third water pipe 22 and one end of a fourth water pipe 23 through a tee joint first 211, the other end of the third water pipe 22, a water pump 31, a fifth water pipe 32, and the third-stage reverse osmosis membrane filter element 3 are sequentially connected, a pure water end 301 and one end of a sixth water pipe 33 of the third-stage reverse osmosis membrane filter element 3 are sequentially connected, and the other end of the sixth water pipe 33 is respectively connected with one end of a seventh water pipe 41 through a tee joint second 331, One end of a water pipe eight 51 is connected, the other end of the water pipe seven 41, the fourth-stage activated carbon filter element 4, the water pipe nine 42, the monitoring instrument system 6 and the pure water outlet pipe 8 are sequentially connected, the other end of the water pipe eight 51 and the water storage barrel 5 are sequentially connected, a concentrated water end 302 of the third-stage reverse osmosis membrane filter element 3 and one end of a water pipe ten 34 are connected, and the other end of the water pipe ten 34 is respectively connected with the other end of the water pipe four 23 and the concentrated water outlet pipe 9 through a three-way joint three 341;
the water pipe I11 is provided with a low-pressure switch 111, the water pipe II 21 is provided with a water inlet electromagnetic valve 212, the water pipe IV 23 is sequentially provided with a single-return valve I231 and a combined valve 232, the water pipe VI 33 is provided with a single-return valve II 332, the water pipe VIII 51 is provided with a high-pressure switch 511, the water pipe IX 42 is provided with a water outlet electromagnetic valve 421, and the concentrated water outlet pipe 9 is provided with a combined electromagnetic valve 91; the controller 10 is respectively connected with the low-voltage switch 111, the water inlet electromagnetic valve 212, the combination valve 232, the water pump 31, the high-voltage switch 511, the water outlet electromagnetic valve 421, the monitoring instrument system 6 and the combination electromagnetic valve 91 and controls the low-voltage switch 111, the water inlet electromagnetic valve 212, the combination valve 232, the water pump 31, the high-voltage switch 511, the water outlet electromagnetic valve 421, the monitoring instrument system 6 and the combination electromagnetic valve 91.
Further, the first-stage composite filter element 1 comprises a first-stage filter bottle body, granular activated carbon and 5-micron PP cotton, wherein the granular activated carbon and the 5-micron PP cotton are sequentially arranged inside the first-stage filter bottle body from bottom to top, the filling density of the granular activated carbon is 85% +/-5%, the mesh number is 8-30 meshes, the ash content is less than 3, the strength is greater than or equal to 95%, the iodine adsorption value of the activated carbon is greater than or equal to 900mg/g, and the methylene blue adsorption value is greater than or equal to 180 mg/g.
Further, second level polypropylene melts and spouts filter core 2 includes the cotton filter core of second level filter flask body, 1 micron PP, the cotton filter core setting of 1 micron PP is inside the second level filter flask body.
Further, the third stage reverse osmosis membrane cartridge 3 comprises a third stage filter bottle body 311, a central tube 312 and a reverse osmosis membrane 313, the central tube 312 is arranged in the third stage filter bottle body 311, the reverse osmosis membrane 313 is arranged around the central tube 312, a water-stop plate 3123 which divides the central tube 312 into an upper central tube 3121 and a lower central tube 3122 is arranged in the central tube 312, a water collection hole 3124 is arranged on the tube wall of the lower central tube 3122, and a third stage check valve 314 which can cut off the lower central tube 3122 and has a direction from top to bottom is arranged in the lower central tube and below the water collection hole 1324.
Further, a drain rod 315 is arranged in the lower central tube 3122 and above the third stage check valve 314, a boss 3125 is arranged in the middle of the water stop 3123, and a clamping groove 3126 clamped on the boss 3125 is arranged at the top of the drain rod 315; a limiting groove 3151 with a downward opening is formed in the bottom of the drainage rod 315, and a limiting pin 3127 matched with the limiting groove 3151 is arranged on the pipe wall of the central pipe 312; a plurality of convex points 3152 which are uniformly distributed around the drainage rod 315 are arranged on the outer wall of the drainage rod 315 at the lower part of the drainage rod 315, and a gap is reserved between the convex points 3152 and the inner wall of the central tube 312.
Example 1
Based on the above structural basis, as shown in fig. 1-7.
The working method of the high-water-efficiency water purifier with the multistage composite deep filtration comprises the steps of recycling concentrated water; the concentrated water is reused, and the method comprises the following steps: the concentrated water flowing out of the concentrated water end 302 of the third stage reverse osmosis membrane filter element 3 is divided into two parts, one part is discharged from the concentrated water outlet pipe 9 through the combined electromagnetic valve 91 of 150 mL/min, the other part flows back to the water pump 31 from the water pipe four 23 through the combined valve 232 of 550 mL/min and the single return valve one 231, and enters the third stage reverse osmosis membrane filter element 3 again from the water pipe five 32 after being pressurized by the water pump 31, so that the concentrated water is reused.
The water inlet electromagnetic valve 212, the combined electromagnetic valve 91, the combined valve 232, the water pump 31 and the like are all controlled by the controller 10, a concentrated water recycling link (namely an internal flushing link) is embedded in a water making program in the operation logic of the controller 10, time judgment is carried out by a time counter of the controller 10, after the water making process reaches 5 minutes, the water inlet electromagnetic valve 212, the water pump 31 and the combined valve 232 are opened (the internal flushing function is played), the combined electromagnetic valve 91 is closed (the external flushing function is played), the process lasts for 1 minute, the water making program is started after the process is finished, and then timing is carried out until the water full standby state is reached. If the low-pressure switch judges that water shortage occurs in the concentrated water recycling state, the controller 10 closes the water inlet electromagnetic valve 212, the water pump 31, the combination valve 232 and the combination electromagnetic valve 91 to enter a water shortage state until the water pressure is enough, the high-pressure switch and the low-pressure switch are closed, and a water making program is started.
The concentrated water return pipeline composed of the combination valve 232, the combination solenoid valve 91, the water inlet solenoid valve 212, the water pump 31 and the like plays a role of internal flushing and external discharging, when the internal flushing is carried out, the combination solenoid valve is closed, the water inlet solenoid valve 212 and the combination valve 232 are opened, the water pump 31 starts to operate, tap water passes through the water inlet solenoid valve 212, the water pump 31 and the third reverse osmosis membrane filter element 3, a small part of tap water is discharged through the combination solenoid valve 91, the other part of tap water returns to the front of the water pump 31 through the opened combination valve 232 and is mixed with the tap water, and then reaches the third reverse osmosis membrane filter element 3 through the water pump 31 to wash the third reverse osmosis membrane filter element 3 to form an internal flushing circulation, the third reverse osmosis membrane filter element 3 is prevented from generating concentration polarization phenomenon through an internal flushing mode, particulate matters, colloidal deposition and salinity crystallization are prevented, and the concentrated water concentration in the front of the third reverse osmosis membrane filter element 3 is reduced, and partial pollutants are discharged along with concentrated water through the combined electromagnetic valve 91, so that the flow rate and the recovery rate of pure water are prevented from being too low, and water resources are saved.
Example 2
The working method of the high-water-efficiency water purifier with the multistage composite deep filtration comprises the steps of online monitoring; the online monitoring comprises the following steps: the monitoring instrument system 6 comprises a buffer bottle 61, a peristaltic pump 62, an online conductivity meter measuring pool 63, a conductivity detector 64, a total organic carbon detecting pool 65 and a total organic carbon analyzer 66, pure water flowing out of a water pipe nine 42 enters the buffer bottle 61 through an inlet 611 of the buffer bottle 61, when the buffer bottle 61 is filled with the pure water, an overflow port 612 of the buffer bottle 61 is drained with the pure water, a water pump valve 613 is automatically opened, the pure water enters the online conductivity meter measuring pool 63 and the total organic carbon detecting pool 65 respectively after the flow rate of the pure water is adjusted by the peristaltic pump 62, and rapidly fills the online conductivity meter measuring pool 63 and the total organic carbon detecting pool 65, after the pure water is stabilized, the conductivity detector 64 of the online conductivity meter measuring pool 63 and the total organic carbon analyzer 66 of the total organic carbon detecting pool 65 respectively carry out continuous dynamic conductivity and TOC tests on the pure water, and transmit the monitored conductivity and TOC data to the controller 10 in real time, is uploaded to the upper computer 101 by the controller 10.
Through setting up monitoring instrument system 6, can carry out real-time supervision to the quality of purifying the quality of water after filtering in real time to judge whether first order composite filter element 1, second level polypropylene melt-blow filter element 2, third level reverse osmosis membrane filter element 3, fourth level active carbon filter element 4 in the water purification machine need change.
The specific working method of the invention is many, and the above description is only the preferred embodiment of the invention. It should be noted that the above examples are only for illustrating the present invention, and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications can be made without departing from the principles of the invention and these modifications are to be considered within the scope of the invention.
Claims (8)
1. The utility model provides a high water efficiency water purification machine of multistage compound depth filtration, a serial communication port, including first order composite filter element (1), second level polypropylene melt-blown filter element (2), third level reverse osmosis membrane filter element (3), fourth level active carbon filter element (4), water storage bucket (5), monitor instrument system (6), running water inlet tube (7), first order composite filter element (1), water pipe (11), second level polypropylene melt-blown filter element (2), the one end of water pipe two (21) connects gradually, the one end of water pipe two (21) is passed through tee bend joint one (211) and is connected with the one end of water pipe three (22), the one end of water pipe four (23) respectively, the other end of water pipe three (22), water pump (31), five (32) of water pipe, third level reverse osmosis membrane filter element (3) connect gradually, the pure water end (301) of third level reverse osmosis membrane filter element (3), One end of a water pipe six (33) is connected in sequence, the other end of the water pipe six (33) is connected with one end of a water pipe seven (41) and one end of a water pipe eight (51) through a three-way joint two (331) respectively, the other end of the water pipe seven (41), a fourth-stage activated carbon filter element (4), a water pipe nine (42), a monitoring instrument system (6) and a pure water outlet pipe (8) are connected in sequence, the other end of the water pipe eight (51) and a water storage barrel (5) are connected in sequence, a concentrated water end (302) of a third-stage reverse osmosis membrane filter element (3) and one end of a water pipe ten (34) are connected, and the other end of the water pipe ten (34) is connected with the other end of a water pipe four (23) and the concentrated water outlet pipe (9) through a three-way joint three (341) respectively;
the water pipe I (11) is provided with a low-pressure switch (111), the water pipe II (21) is provided with a water inlet electromagnetic valve (212), the water pipe IV (23) is sequentially provided with a single return valve I (231) and a combined valve (232), the water pipe VI (33) is provided with a single return valve II (332), the water pipe eighth (51) is provided with a high-pressure switch (511), the water pipe ninth (42) is provided with a water outlet electromagnetic valve (421), and the concentrated water outlet pipe (9) is provided with a combined electromagnetic valve (91); the controller (10) is respectively connected with the low-voltage switch (111), the water inlet electromagnetic valve (212), the combination valve (232), the water pump (31), the high-voltage switch (511), the water outlet electromagnetic valve (421), the monitoring instrument system (6) and the combination electromagnetic valve (91) and controls the low-voltage switch (111), the water inlet electromagnetic valve (212), the combination valve (232), the water pump (31), the high-voltage switch (511), the water outlet electromagnetic valve (421), the monitoring instrument system (6) and the combination electromagnetic valve (91).
2. The water purification machine with high water efficiency and multi-stage composite depth filtration according to claim 1, wherein the first-stage composite filter element (1) comprises a first-stage filter bottle body, granular activated carbon and 5 micron PP cotton, the granular activated carbon and the 5 micron PP cotton are sequentially arranged inside the first-stage filter bottle body from bottom to top, the packing density of the granular activated carbon is 85% ± 5%, the mesh number is 8-30 meshes, the ash content is less than 3, the strength is not less than 95%, the iodine adsorption value of the activated carbon is not less than 900mg/g, and the methylene blue adsorption value is not less than 180 mg/g.
3. The water purifier with high water efficiency and multi-stage composite depth filtration of claim 1, wherein the second stage polypropylene melt-blown filter element (2) comprises a second stage filter flask body and a 1 micron PP cotton filter element, and the 1 micron PP cotton filter element is arranged inside the second stage filter flask body.
4. The water purification machine with high water efficiency and deep filtration according to claim 1, wherein the third stage reverse osmosis membrane cartridge (3) comprises a third stage filter flask body (311), a central tube (312) and a reverse osmosis membrane (313), the central tube (312) is arranged in the third stage filter flask body (311), the reverse osmosis membrane (313) is arranged around the central tube (312), a water stop plate (3123) which divides the central tube (312) into an upper central tube (3121) and a lower central tube (3122) is arranged in the central tube (312), a water collecting hole (3124) is arranged on the wall of the lower central tube (3122), and a third stage check valve (314) which can cut off the lower central tube (3122) and has a direction from top to bottom is arranged in the lower central tube and below the water collecting hole (1324).
5. The water purification machine with high water efficiency and deep filtration according to claim 4, wherein a drain rod (315) is arranged in the lower central pipe (3122) and above the third stage check valve (314), a boss (3125) is arranged in the middle of the water stop plate (3123), and a clamping groove (3126) clamped on the boss (3125) is arranged on the top of the drain rod (315); a limiting groove (3151) with a downward opening is formed in the bottom of the drainage rod (315), and a limiting pin (3127) matched with the limiting groove (3151) is arranged on the pipe wall of the central pipe (312); a plurality of salient points (3152) which are uniformly distributed around the drainage rod (315) are arranged on the outer wall of the drainage rod (315) and at the lower part of the drainage rod (315), and gaps are reserved between the salient points (3152) and the inner wall of the central tube (312).
6. The water purification machine with high water efficiency and multi-stage composite depth filtration according to claim 1, wherein the fourth stage activated carbon filter element (4) comprises a fourth stage filter bottle body and granular activated carbon, the granular activated carbon is arranged inside the fourth stage filter bottle body, the filling density of the granular activated carbon is 85% ± 5%, the mesh number is 30-50 meshes, the ash content is less than 3, the strength is greater than or equal to 95%, the iodine adsorption value of the activated carbon is greater than or equal to 1000mg/g, and the methylene blue adsorption value is greater than or equal to 200 mg/g.
7. The working method of the multi-stage composite depth filtration high-water-efficiency water purification machine is characterized in that the working method comprises concentrated water reuse and online monitoring; wherein, concentrated water is recycled, including the following step: the concentrated water flowing out of the concentrated water end (302) of the third-stage reverse osmosis membrane filter element (3) is divided into two parts, one part is discharged from a concentrated water outlet pipe (9) through a combined electromagnetic valve (91) of 150 mL/min, the other part flows back to the water pump (31) from a water pipe four (23) through a combined valve (232) of 550 mL/min and a single return valve one (231), and enters the third-stage reverse osmosis membrane filter element (3) again from a water pipe five (32) after being pressurized by the water pump (31), so that the concentrated water is recycled.
8. The working method of the multi-stage composite depth filtration high water efficiency water purification machine according to claim 7, wherein the on-line monitoring comprises the following steps: the monitoring instrument system (6) comprises a buffer bottle (61), a peristaltic pump (62), an online conductivity meter measuring pool (63), a conductivity detector (64), a total organic carbon detecting pool (65) and a total organic carbon analyzer (66), pure water flowing out of a water pipe nine (42) enters the buffer bottle (61) through an inlet (611) of the buffer bottle (61), when the buffer bottle (61) is filled with the pure water, an overflow port (612) of the buffer bottle (61) is drained of the pure water, a water pump valve (613) is automatically opened, the pure water enters the online conductivity meter measuring pool (63) and the total organic carbon detecting pool (65) respectively after the flow rate of the pure water is adjusted through the peristaltic pump (62), the online conductivity meter measuring pool (63) and the total organic carbon detecting pool (65) are rapidly filled, after the pure water is stabilized, the conductivity detector (64) of the online conductivity meter measuring pool (63) and the total organic carbon analyzer (66) of the total organic carbon detecting pool (65) respectively carry out continuous dynamic conductivity and conductivity of the pure water And (4) carrying out TOC test, transmitting the monitored conductivity and TOC data to the controller (10) in real time, and uploading the data to an upper computer (101) by the controller (10).
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