CN107381907B - Medical ultrapure water machine - Google Patents
Medical ultrapure water machine Download PDFInfo
- Publication number
- CN107381907B CN107381907B CN201710803431.5A CN201710803431A CN107381907B CN 107381907 B CN107381907 B CN 107381907B CN 201710803431 A CN201710803431 A CN 201710803431A CN 107381907 B CN107381907 B CN 107381907B
- Authority
- CN
- China
- Prior art keywords
- water
- filter
- shell
- plate
- water inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910021642 ultra pure water Inorganic materials 0.000 title claims abstract description 29
- 239000012498 ultrapure water Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 206
- 239000011347 resin Substances 0.000 claims abstract description 47
- 229920005989 resin Polymers 0.000 claims abstract description 47
- 239000012528 membrane Substances 0.000 claims abstract description 46
- 150000003839 salts Chemical class 0.000 claims abstract description 35
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 26
- 229920000742 Cotton Polymers 0.000 claims abstract description 21
- 238000011045 prefiltration Methods 0.000 claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000000746 purification Methods 0.000 claims abstract description 7
- 230000001954 sterilising effect Effects 0.000 claims abstract description 7
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 7
- 230000001012 protector Effects 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims description 25
- 238000007790 scraping Methods 0.000 claims description 20
- 239000008213 purified water Substances 0.000 claims description 18
- 239000006004 Quartz sand Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000013505 freshwater Substances 0.000 abstract description 4
- 230000002542 deteriorative effect Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 description 10
- 238000007789 sealing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/06—Pressure conditions
- C02F2301/066—Overpressure, high pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention provides a medical ultrapure water machine, which comprises a box body with a main water inlet and a main water outlet, wherein a pre-filter, a softened water device, a secondary filter, a booster pump, a reverse osmosis membrane shell, a pressure tank, a resin filter tank, an ultraviolet sterilization device and a PP cotton filter are arranged in the box body and are sequentially connected, a water leakage protector is arranged between the pre-filter and the main water inlet, a water quality resistivity sensor is arranged between the PP cotton filter and the main water outlet, an internal circulation pipeline is also directly connected between the PP cotton filter and the pressure tank, a circulation pump is arranged on the internal circulation pipeline, the softened water device consists of a resin filter tank and a salt box, and the secondary filter consists of a PP cotton filter and an activated carbon filter. The internal circulation function is set, when the water purifier is not used, the internal circulation is started, the circulating pump pumps the water coming out of the PP cotton filter into the pressure tank again, so that the whole water purification system can keep fresh water in circulating flow, and the water in the latter half is prevented from being stopped for a long time and deteriorating.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a medical ultrapure water machine.
Background
The ultra-pure water machine is a water treatment equipment which adopts the methods of pretreatment, reverse osmosis technology, ultra-pure treatment, post-stage treatment and the like to almost completely remove the conductive medium in water and remove colloid substances, gas and organic substances which are not dissociated in water to a very low degree. For example, a patent of ultra pure water machine published in china with application number 201520448860 discloses an ultra pure water machine, which comprises a pretreatment filter, a weak acid cation resin exchange tower, a strong acid cation resin exchange tower, a PH adjusting system, a reverse osmosis device, an ultraviolet sterilization device and a precision filter, which are connected in sequence; the pretreatment filter comprises three filter layers which are filtered by filter elements and are respectively a first filter layer, a second filter layer and a third filter layer. The utility model discloses an ultrapure water machine, purifying effect is good, and with low costs, easy maintenance.
However, the ultrapure water machine has no internal circulation, filtered water is left in the ultrapure water machine to deteriorate when the ultrapure water machine is not used, and the deteriorated water is preferentially discharged by the ultrapure water machine for use when the ultrapure water machine is reused.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a medical ultrapure water machine which is provided with an internal circulation system and can provide fresh purified water for people when the machine is suddenly started without being used for a long time.
The purpose of the invention can be realized by the following technical scheme: a medical ultrapure water machine comprises a box body with a main water inlet and a main water outlet, and is characterized in that a pre-filter, a softened water device, a secondary filter, a booster pump, a reverse osmosis membrane shell, a pressure tank, a resin filter tank, an ultraviolet sterilization device and a PP cotton filter which are connected in sequence are arranged in the box body, a water leakage protector is arranged between the pre-filter and the main water inlet, a water quality resistivity sensor is arranged between the PP cotton filter and the main water outlet, an internal circulation pipeline is also directly connected between the PP cotton filter and the pressure tank, a circulation pump is arranged on the internal circulation pipeline, the softened water device consists of a resin filter tank and a salt box, and the secondary filter consists of a PP cotton filter and an activated carbon filter;
the pre-filter comprises a pre-shell, an end cover, a supporting plate and a filter screen sleeve, wherein the upper end of the pre-shell is opened, the supporting plate is blocked at the opening of the pre-shell, the end cover is connected with the upper end of the pre-shell in a buckling manner, the end cover is provided with a water inlet pipe and a water outlet pipe, the filter screen sleeve is arranged in the pre-shell and is connected with the supporting plate, the supporting plate is provided with a pre-water inlet communicated with the water inlet pipe and the inner cavity of the pre-shell, and the middle part of the supporting plate is provided with a pre-water outlet communicated with the; the support plate is rotatably connected with a rotating shaft, the upper end of the rotating shaft is connected with an impeller positioned in the end cover, a connecting strip is fixed on the rotating shaft, a spiral scraping strip is fixed on the connecting strip, the spiral scraping strip is attached to the inner wall of the filter screen sleeve, the lower end of the rotating shaft extends out of the filter screen sleeve and is connected with an outer scraping frame, and a brush abutting against the outer wall of the filter screen sleeve is arranged on the outer scraping frame;
the resin filtering tank comprises a filtering tank body, a fixing plate is arranged on the filtering tank body, a water inlet of the filtering tank is arranged on the fixing plate, a water outlet of the filtering tank is arranged on the filtering tank body, a motor is arranged on the fixing plate, an output shaft of the motor penetrates through the fixing plate and is connected with a rotating shaft key, the lower end of the output shaft is connected with a stirring disc, a plurality of leakage holes are formed in the stirring disc, resin and quartz sand are sequentially arranged in the filtering tank body from top to bottom, the quartz sand is arranged at the lower end in the filtering tank body, the stirring disc is arranged in the resin, a water distributor is arranged in the quartz sand, the water distributor comprises a shell, and an upper water distributor, a middle connecting part and a lower water distributor are sequentially arranged in the shell from top to bottom; the upper water distributor comprises a connecting rod and a water outlet end piece which are sequentially arranged from top to bottom, the connecting rod is arranged on the inner top wall of the shell, a plurality of water purification outlets are arranged on the right side wall of the upper end of the water outlet end piece, the outer side wall of the lower end of the water outlet end piece is arranged in the shell through an upper annular plate, the upper annular plate enables a water outlet part to be formed between the upper end of the water outlet end piece and the upper end in the shell, a shell outlet is arranged on the right side of the upper end of the shell, and the shell outlet is connected with a water outlet of a filter tank of the filter tank body; the lower water distributor comprises a water inlet end piece, the outer side of the bottom end of the water inlet end piece is fixed on the inner bottom wall of the shell, a plurality of purified water inlets are formed in the periphery of the lower end of the water inlet end piece, the periphery of the outer side of the upper end of the water inlet end piece is fixed on the inner wall of the shell through a lower annular plate, a plurality of shell inlets matched with the purified water inlets are formed in the periphery of the lower end of the shell, and a water inlet part is formed between the lower end of the water inlet end piece and the inner lower end of the shell through the lower; the middle connecting part comprises an upper communicating pipe and a lower communicating pipe matched with the upper communicating pipe, the lower end of the water outlet end piece is communicated with the upper communicating pipe, the inner surface of the upper communicating pipe is provided with internal threads, the upper end of the water inlet end piece is communicated with the lower communicating pipe, the periphery of the outer wall of the lower communicating pipe is provided with external threads matched with the internal threads, the upper communicating pipe is in threaded connection with the lower communicating pipe, the upper end and the lower end of the filter tank body are respectively provided with a resin inlet and a resin outlet, and the resin outlet is arranged above the quartz sand;
the salt box comprises a salt box body, wherein a left buffer part and a right buffer part are symmetrically arranged on two sides outside the salt box body, and the left buffer part and the right buffer part have the same structure; the left buffer part comprises a U-shaped clamping part, a first connecting plate and a second connecting plate are respectively arranged at the outer side ends of two transverse plates of the U-shaped clamping part, a first round hole and a second round hole are respectively arranged on the first connecting plate and the second connecting plate, a first supporting plate and a second supporting plate are respectively arranged at the outer side of a vertical plate of the U-shaped clamping part, a first vertical rod and a second vertical rod are respectively vertically arranged at the lower ends of the first supporting plate and the second supporting plate, the lower ends of the first vertical rod and the second vertical rod are respectively connected with a first baffle and a second baffle, and the lower surfaces of the first baffle and the second baffle are respectively connected with a first footing and a second footing through a first damping spring and a second damping spring; the first connecting plate of the left buffer part is connected with the first connecting plate of the right buffer part through a first screw rod, two ends of the first screw rod are respectively fixed through first nuts, the second connecting plate of the left buffer part is connected with the second connecting plate of the right buffer part through a second screw rod, two ends of the second screw rod are respectively fixed through second nuts, the outer wall of the middle lower end of the salt box body is wound with a reinforcing strip, and the outer side bottom wall of the salt box body is provided with anti-skid grains;
the reverse osmosis membrane shell comprises a membrane shell body, a reverse osmosis membrane filter element, an upper cover and a bottom cover, wherein a membrane shell water inlet is formed in the upper cover, a purified water discharge port and a concentrated water discharge port are formed in the bottom cover, the membrane shell body is in a long cylindrical shape, connecting flanges with horizontal outward expansion are arranged at two ends of the membrane shell body, a supporting sleeve is arranged at the bottom of the inner side of the upper cover, a spring and a gasket are arranged in the supporting sleeve, a raised supporting seat is arranged at the center of the bottom cover, a groove is formed in the supporting seat, the bottom of the groove is communicated with the purified water discharge port, the concentrated water discharge port is communicated with an inner cavity of the membrane shell body, the upper end of the reverse osmosis membrane filter element is embedded into the supporting sleeve and abuts against the gasket, the lower end of the reverse osmosis membrane filter element is embedded into the groove of the.
The water leakage protector, the water quality resistivity sensor, the PP cotton filter, the pressure tank, the circulating pump, the activated carbon filter and the ultraviolet sterilization device are relatively common accessories on the market and can be directly purchased from the market. The invention has the innovation point that the internal circulation function is set, when the water purifier is not used, the internal circulation is started, the circulating pump pumps the water from the PP cotton filter into the pressure tank again, so that the whole water purification system can keep fresh water in circulation flow, and the water in the latter half is prevented from being deteriorated due to long-term retention. In addition, the structure of the front filter, the resin filter tank, the salt tank and the reverse osmosis membrane shell has more innovation.
Furthermore, the opening of the front shell is provided with a step, and the support plate is clamped on the step.
Furthermore, a bearing is arranged between the output shaft of the motor and the through hole on the fixed plate.
Furthermore, the upper outer edge of the filter tank body is symmetrically provided with a front connecting plate and a rear connecting plate in front and back directions, and the front end and the rear end of the fixing plate are respectively fixed on the front connecting plate and the rear connecting plate through a front locking bolt and a rear locking bolt.
Furthermore, the resin inlet and the resin outlet are respectively arranged at different sides of the filter tank body.
Furthermore, the filtering plate is arranged at the inner upper end of the filtering tank body.
Furthermore, the middle of the filter plate is provided with a round hole for the rotating shaft to pass through.
Furthermore, a water outlet pipe of the filter tank is provided with a water suction pump.
Furthermore, the outside diapire of salt case body is equipped with the boss, is equipped with anti-skidding line on the boss.
Furthermore, an annular yielding groove is formed in the connecting flange, a first O-shaped sealing ring is arranged in the yielding groove, an annular yielding groove is formed in the inner wall of the groove, and a second O-shaped sealing ring is arranged in the yielding groove.
Compared with the prior art, the medical ultrapure water machine has the following advantages:
1. the whole medical ultra-pure water machine is provided with an internal circulation function, and the internal circulation is started when the machine is not used, so that the whole water purification system can keep fresh water in circulation flow, and the deterioration of the latter half of water due to long-term retention is prevented.
2. The front filter is provided with a spiral scraping strip and an outer scraping frame which can scrape the inner wall and the outer wall of the filter screen sleeve, and the rotating shaft is driven to rotate through reverse water flow, so that dirt on the filter screen sleeve can be scraped, the filter screen sleeve is simple and efficient, does not need to be detached, and is very convenient to use.
3. The resin filters the jar and passes through the motor rotation, drives axis of rotation, agitator disk, comes to carry out the effect of even stirring to this internal resin of filtering jar, improves resin purifying effect.
4. The left and right buffer parts arranged on the salt box are matched for use, the salt box is clamped between the two buffer parts, and the effects of damping and buffering the salt box are achieved.
5. The clamp is untied, the upper cover or the bottom cover can be separated from the shell, and then the reverse osmosis membrane filter element is taken out for maintenance, so that the reverse osmosis membrane filter is convenient to disassemble and assemble and easy to maintain.
Drawings
Fig. 1 is a schematic view of a filtering structure of a medical ultrapure water machine.
Fig. 2 is a schematic view of the pre-filter in operation.
Fig. 3 is a schematic structural view of a pre-filter during cleaning.
Fig. 4 is a schematic view of the structure of the spiral scraping strip and the outer scraping frame.
FIG. 5 is a schematic view of the structure of the resin canister.
Fig. 6 is a schematic structural view of the water distributor.
Fig. 7 is a schematic diagram of the structure of the salt tank.
Figure 8 is a top view of the salt box.
Fig. 9 is a bottom view of the salt box.
Fig. 10 is a schematic structural view of a reverse osmosis membrane housing.
In the figure, 1, a water softening device; 2. a secondary filter; 3. a booster pump; 4. a reverse osmosis membrane shell; 5. a pressure tank; 6. a resin filtration tank; 7. an ultraviolet sterilization device; 8. a PP cotton filter; 9. a water quality resistivity sensor; 10. an internal circulation pipe; 11. a circulation pump; 12. a salt box; 13. a pre-filter; 14. a water leakage protector; 131. a front housing; 132. an end cap; 133. a support plate; 134. a filter screen sleeve; 135. a water inlet pipe; 136. a water outlet pipe; 137. a front water inlet; 138. a front water outlet; 139. a rotating shaft; 1310. an impeller; 1311. a connecting strip; 1312. spirally scraping the strips; 1313. an outer scraping frame; 1314. a brush; 1315. a step; 61. a filter tank body; 62. a fixing plate; 63. a water inlet of the filter tank; 64. a motor; 65. a rotating shaft; 66. a stirring plate; 67. a resin; 68. quartz sand; 69. a water distributor; 610. a housing; 611. a connecting rod; 612. a water outlet end piece; 613. a purified water outlet; 614. an upper annular plate; 615. a water outlet part; 616. an outer shell outlet; 617. a water outlet pipe of the filter tank; 618. a water inlet end piece; 619. a purified water inlet; 620. a lower annular plate; 621. an enclosure inlet; 622. a water inlet part; 623. an upper communicating pipe; 624. a lower communicating pipe; 625. a resin inlet; 626. a resin outlet; 627. a filter plate; 121. a salt box body; 122. a U-shaped clamping piece; 123. a first connecting plate; 124. a second connecting plate; 125. a first support plate; 126. a second support plate; 127. a first vertical bar; 128. a first baffle plate; 129. a first damping spring; 1210. a first foot; 1211. a left cushion member; 1212. a right cushion member; 1213. a first screw; 1214. a second screw; 1215. reinforcing the strips; 1216. anti-skid lines; 41. a membrane housing; 42. a reverse osmosis membrane filter element; 43. an upper cover; 44. a bottom cover; 45. a water inlet of the membrane shell; 46. a purified water discharge port; 47. a concentrated water discharge port; 48. a connecting flange; 49. a support sleeve; 410. a spring; 411. a gasket; 412. a supporting seat; 413. a groove; 414. pressing a ring; 415. clamping a hoop; 416. a first O-shaped sealing ring; 417. an O-shaped sealing ring II;
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, a medical ultrapure water machine comprises a box body with a main water inlet and a main water outlet, wherein a pre-filter 13, a softened water device 1, a secondary filter 2, a booster pump 3, a reverse osmosis membrane shell 4, a pressure tank 5, a resin filter tank 6, an ultraviolet sterilization device 7 and a PP cotton filter 8 are arranged in the box body and connected in sequence, a water leakage protector 14 is arranged between the pre-filter 13 and the main water inlet, a water quality resistivity sensor 9 is arranged between the PP cotton filter 8 and the main water outlet, an internal circulation pipeline 10 is further directly connected between the PP cotton filter 8 and the pressure tank 5, a circulation pump 11 is arranged on the internal circulation pipeline 10, the softened water device 1 comprises the resin filter tank 6 and a salt box 12, and the secondary filter 2 comprises the PP cotton filter 8 and an activated carbon filter.
The internal circulation function is set, when the water purifier is not used, the internal circulation is started, the circulating pump 11 pumps the water coming out of the PP cotton filter 8 into the pressure tank 5 again, so that the whole water purification system can keep fresh water in circulation flow, and the water in the latter half is prevented from being stopped for a long time and deteriorating.
As shown in fig. 2-4, the pre-filter 13 includes a pre-housing 131, an end cap 132, a support plate 133 and a filter screen 134, the pre-housing 131 has an opening at an upper end thereof, the support plate 133 is plugged at the opening of the pre-housing 131, the end cap 132 is connected with the upper end of the pre-housing 131 by a snap fit, the end cap 132 has a water inlet pipe 135 and a water outlet pipe 136, the filter screen 134 is disposed in the pre-housing 131 and connected with the support plate 133, the support plate 133 is provided with a pre-inlet 137 communicating the water inlet pipe 135 with an inner cavity of the pre-housing 131, and the middle of the support plate 133 is provided with a pre-outlet 138 communicating the water outlet pipe 136 with; the supporting plate 133 is rotatably connected with a rotating shaft 139, the upper end of the rotating shaft 139 is connected with an impeller 1310 positioned in the end cover 132, the rotating shaft 139 is fixed with a connecting strip 1311, the connecting strip 1311 is fixed with a spiral scraping strip 1312, the spiral scraping strip 1312 is attached to the inner wall of the filter screen sleeve 134, the lower end of the rotating shaft 139 extends out of the filter screen sleeve 134 and is connected with an outer scraping frame 1313, and the outer scraping frame 1313 is provided with a brush 1314 attached to the outer wall of the filter screen sleeve 134. The opening of the front shell 131 is provided with a step 1315, and the support plate 133 is clamped on the step 1315.
During normal operation, tap water flows in from the water inlet pipe 135 and enters the front housing 131 through the front water inlet 137, water flows in from the outer wall of the filter screen sleeve 134 to the center of the filter screen sleeve 134, the water is filtered by the filter screen sleeve 134 in the infiltration process, and the filtered water flows out from the front water outlet 138 and enters the water outlet pipe 136 of the end cover 132 to be discharged. Since the flow of water through the front outlet 138 is perpendicular to the impeller 1310, the impeller 1310 does not rotate.
When cleaning, reverse water injection for leading filter 13, water flows in from outlet pipe 136 level, drive impeller 1310 and rotate under the effect of rivers, impeller 1310 drives pivot 139 and rotates, pivot 139 drives spiral scraping strip 1312 and scrapes filter screen cover 134 inner wall, pivot 139 drives outer scraping frame 1313 and scrapes filter screen cover 134 outer wall, scrape the dirt on the filter screen cover 134 inner and outer wall, dirt on the filter screen cover 134 outer wall can be along with reverse rivers outflow inlet tube 135, and dirt on the filter screen cover 134 inner wall can be along with forward rivers outflow outlet pipe 136 during normal operating. The filter screen sleeve 134 is convenient and efficient, and can clean inside and outside comprehensively.
As shown in fig. 5 and 6, the resin canister 6 includes a canister body 61, a fixing plate 62 is provided on the canister body 61, the fixed plate 62 is provided with a water inlet 63 of the filter tank, the filter tank body 61 is provided with a water outlet of the filter tank, a motor 64 is arranged on the fixed plate 62, the output shaft of the motor 64 passes through the fixed plate 62, and is connected with a rotating shaft 65 key, the lower end of the output shaft is connected with a stirring disc 66, a plurality of leakage holes are arranged on the stirring disc 66, the inside of the filter tank body 61 is sequentially provided with resin 67 and quartz sand 68 from top to bottom, the quartz sand 68 is arranged at the lower end inside the filter tank body 61, the stirring disc 66 is arranged inside the resin 67, a water distributor 69 is arranged in the quartz sand 68, the water distributor 69 comprises an outer shell 610, an upper water distributor, a middle connecting part and a lower water distributor are sequentially arranged in the shell 610 from top to bottom; the upper water distributor comprises a connecting rod 611 and a water outlet end piece 612 which are sequentially arranged from top to bottom, the connecting rod 611 is arranged on the inner top wall of the shell 610, a plurality of water purification outlets 613 are arranged on the right side wall of the upper end of the water outlet end piece 612, the outer side wall of the lower end of the water outlet end piece 612 is arranged in the shell 610 through an upper annular plate 614, a water outlet part 615 is formed between the upper end of the water outlet end piece 612 and the inner upper end of the shell 610 through the upper annular plate 614, a shell outlet 616 is arranged on the right side of the upper end of the shell 610, and the shell outlet 616 is connected with a water outlet of a filter tank of the filter tank body 61 through a; the lower water distributor comprises a water inlet end piece 618, the outer side of the bottom end of the water inlet end piece 618 is fixed on the inner bottom wall of the shell 610, the periphery of the lower end of the water inlet end piece 618 is provided with a plurality of purified water inlets 619, the periphery of the outer side of the upper end of the water inlet end piece 618 is fixed on the inner wall of the shell 610 through a lower annular plate 620, the periphery of the lower end of the shell 610 is provided with a plurality of shell inlets 621 matched with the purified water inlets 619, and a water inlet part 622 is arranged between the lower end of the water inlet end piece 618 and the inner lower end of the shell 610 through the lower annular plate 620; the middle connecting part comprises an upper communicating pipe 623 and a lower communicating pipe 624 matched with the upper communicating pipe 623, the lower end of the water outlet end piece 612 is communicated with the upper communicating pipe 623, the inner surface of the upper communicating pipe 623 is provided with internal threads, the upper end of the water inlet end piece 618 is communicated with the lower communicating pipe 624, the periphery of the outer wall of the lower communicating pipe 624 is provided with external threads matched with the internal threads, the upper communicating pipe 623 is in threaded connection with the lower communicating pipe 624, the upper end and the lower end of the filter tank body 61 are respectively provided with a resin inlet 625 and a resin outlet 626, and the resin outlet 626 is arranged above the quartz sand 68.
The bearing is arranged between the output shaft of the motor 64 and the through hole in the fixed plate 62, the front and rear outer edges of the filter tank body 61 are symmetrically provided with a front connecting plate and a rear connecting plate, and the front and rear ends of the fixed plate 62 are fixed on the front and rear connecting plates through a front locking bolt and a rear locking bolt respectively.
The resin inlet 625 and the resin outlet 626 are respectively arranged at different sides of the filter tank body 61, and a filter plate 627 is arranged at the inner upper end of the filter tank body 61. The resin 67 that newly adds is filtered, impurity that dopes in the filtering resin 67, and the filter 627 is established in the below of resin import 625, the centre of filter 627 be equipped with the round hole that supplies axis of rotation 65 to pass, filter tank 617 on be equipped with the suction pump.
When the filter tank works, water enters the filter tank body 61 from the filter tank water inlet 63, then enters the water distributor 69 through the resin 67 and the quartz sand 68, and the water passing through the water distributor 69 is led out from the filter tank water outlet pipe 617.
As shown in fig. 7-9, the salt box 12 includes a salt box body 121, a left buffer 1211 and a right buffer 1212 are symmetrically disposed on two sides of the outside of the salt box body 121, and the left buffer 1211 and the right buffer 1212 have the same structure; the left buffer 1211 comprises a U-shaped clip 122, a first connecting plate 123 and a second connecting plate 124 are respectively arranged at the outer side ends of two transverse plates of the U-shaped clip 122, a first round hole and a second round hole are respectively arranged on the first connecting plate 123 and the second connecting plate 124, a first supporting plate 125 and a second supporting plate 126 are respectively arranged at the outer side of a vertical plate of the U-shaped clip 122, a first vertical rod 127 and a second vertical rod are respectively vertically arranged at the lower ends of the first supporting plate 125 and the second supporting plate 126, the lower ends of the first vertical rod 127 and the second vertical rod are respectively connected with a first baffle 128 and a second baffle, and the lower surfaces of the first baffle 128 and the second baffle are respectively connected with a first footing 1210 and a second footing through a first damping spring 410129 and a second damping spring 410; the first connecting plate 123 of the left buffering member 1211 is connected with the first connecting plate 123 of the right buffering member 1212 through a first screw 1213, the two ends of the first screw 1213 are respectively fixed through a first nut, the second connecting plate 124 of the left buffering member 1211 is connected with the second connecting plate 124 of the right buffering member 1212 through a second screw 1214, the two ends of the second screw 1214 are respectively fixed through a second nut, a reinforcing strip 1215 is wound on the outer wall of the middle lower end of the salt box body 121, and an anti-skid grain 1216 is arranged on the outer bottom wall of the salt box body 121.
The outer bottom wall of the salt box body 121 is provided with a boss, and the boss is provided with anti-skid grains 1216.
When the salt box is in operation, the U-shaped clamping piece 122 of the left buffering member 1211 and the U-shaped clamping piece 122 of the right buffering member 1212 are clamped outside the salt box body 1211 in a matched mode, and then the left buffering member 1211 and the right buffering member 1212 are fixed through the first screw 1213, the first nut, the second screw 1214 and the second nut respectively; when external vibration force is applied to the salt box body 121, the first damping spring 410129 and the second damping spring 410 between the first baffle 128 and the second baffle and the first foot 1210 and the second foot respectively play a role in buffering the salt box 12.
As shown in fig. 10, the reverse osmosis membrane shell 4 comprises a membrane shell 41, a reverse osmosis membrane filter element 42, an upper cover 43 and a bottom cover 44, wherein the upper cover 43 is provided with a membrane shell water inlet 45, the bottom cover 44 is provided with a purified water discharge port 46 and a concentrated water discharge port 47, the membrane shell 41 is in a long cylindrical shape, two ends of the membrane shell 41 are provided with connecting flanges 48 which are horizontally expanded outwards, the bottom of the inner side of the upper cover 43 is provided with a supporting sleeve 49, a spring 410 and a gasket 411 are arranged in the supporting sleeve 49, the center of the bottom cover 44 is provided with a raised supporting seat 412, the supporting seat 412 is provided with a groove 413, the bottom of the groove 413 is communicated with the purified water discharge port 46, the concentrated water discharge port 47 is communicated with the inner cavity of the membrane shell 41, the upper end of the reverse osmosis membrane filter element 42 is embedded in the supporting sleeve 49 and abutted against the gasket 411, the lower end of, the press ring 414 abuts against the connecting flange 48, and the outer sides of the press ring 414 and the connecting flange 48 are wrapped with annular clips 415.
An annular abdicating groove is formed in the connecting flange 48, a first O-shaped sealing ring 416 is arranged in the abdicating groove, an annular abdicating groove is formed in the inner wall of the groove 413, and a second O-shaped sealing ring 417 is arranged in the abdicating groove.
Water enters from a water inlet 45 of the membrane shell and enters an inner cavity of the membrane shell 41, a part of water flows transversely through the filtering action of the reverse osmosis membrane filter element 42, and purified water enters the reverse osmosis membrane filter element 42 and flows into a purified water discharge port 46 from the groove 413; the other water permeates the membrane in a direction perpendicular to the membrane and carries the contaminants out of the concentrated water discharge port 47. The clamp 415 is opened, so that the upper cover 43 or the bottom cover 44 can be taken down, the reverse osmosis membrane filter element 42 in the membrane shell 41 can be taken out for replacement or maintenance, and the disassembly and the assembly are convenient.
Claims (10)
1. A medical ultrapure water machine comprises a box body with a main water inlet and a main water outlet, and is characterized in that a pre-filter, a softened water device, a secondary filter, a booster pump, a reverse osmosis membrane shell, a pressure tank, a resin filter tank, an ultraviolet sterilization device and a PP cotton filter which are connected in sequence are arranged in the box body, a water leakage protector is arranged between the pre-filter and the main water inlet, a water quality resistivity sensor is arranged between the PP cotton filter and the main water outlet, an internal circulation pipeline is also directly connected between the PP cotton filter and the pressure tank, a circulation pump is arranged on the internal circulation pipeline, the softened water device consists of a resin filter tank and a salt box, and the secondary filter consists of a PP cotton filter and an activated carbon filter;
the pre-filter comprises a pre-shell, an end cover, a supporting plate and a filter screen sleeve, wherein the upper end of the pre-shell is opened, the supporting plate is blocked at the opening of the pre-shell, the end cover is connected with the upper end of the pre-shell in a buckling manner, the end cover is provided with a water inlet pipe and a water outlet pipe, the filter screen sleeve is arranged in the pre-shell and is connected with the supporting plate, the supporting plate is provided with a pre-water inlet communicated with the water inlet pipe and the inner cavity of the pre-shell, and the middle part of the supporting plate is provided with a pre-water outlet communicated with the; the support plate is rotatably connected with a rotating shaft, the upper end of the rotating shaft is connected with an impeller positioned in the end cover, a connecting strip is fixed on the rotating shaft, a spiral scraping strip is fixed on the connecting strip, the spiral scraping strip is attached to the inner wall of the filter screen sleeve, the lower end of the rotating shaft extends out of the filter screen sleeve and is connected with an outer scraping frame, and a brush abutting against the outer wall of the filter screen sleeve is arranged on the outer scraping frame;
the resin filtering tank comprises a filtering tank body, a fixing plate is arranged on the filtering tank body, a water inlet of the filtering tank is arranged on the fixing plate, a water outlet of the filtering tank is arranged on the filtering tank body, a motor is arranged on the fixing plate, an output shaft of the motor penetrates through the fixing plate and is connected with a rotating shaft key, the lower end of the output shaft is connected with a stirring disc, a plurality of leakage holes are formed in the stirring disc, resin and quartz sand are sequentially arranged in the filtering tank body from top to bottom, the quartz sand is arranged at the lower end in the filtering tank body, the stirring disc is arranged in the resin, a water distributor is arranged in the quartz sand, the water distributor comprises a shell, and an upper water distributor, a middle connecting part and a lower water distributor are sequentially arranged in the shell from top to bottom; the upper water distributor comprises a connecting rod and a water outlet end piece which are sequentially arranged from top to bottom, the connecting rod is arranged on the inner top wall of the shell, a plurality of water purification outlets are arranged on the right side wall of the upper end of the water outlet end piece, the outer side wall of the lower end of the water outlet end piece is arranged in the shell through an upper annular plate, the upper annular plate enables a water outlet part to be formed between the upper end of the water outlet end piece and the upper end in the shell, a shell outlet is arranged on the right side of the upper end of the shell, and the shell outlet is connected with a water outlet of a filter tank of the filter tank body; the lower water distributor comprises a water inlet end piece, the outer side of the bottom end of the water inlet end piece is fixed on the inner bottom wall of the shell, a plurality of purified water inlets are formed in the periphery of the lower end of the water inlet end piece, the periphery of the outer side of the upper end of the water inlet end piece is fixed on the inner wall of the shell through a lower annular plate, a plurality of shell inlets matched with the purified water inlets are formed in the periphery of the lower end of the shell, and a water inlet part is formed between the lower end of the water inlet end piece and the inner lower end of the shell through the lower; the middle connecting part comprises an upper communicating pipe and a lower communicating pipe matched with the upper communicating pipe, the lower end of the water outlet end piece is communicated with the upper communicating pipe, the inner surface of the upper communicating pipe is provided with internal threads, the upper end of the water inlet end piece is communicated with the lower communicating pipe, the periphery of the outer wall of the lower communicating pipe is provided with external threads matched with the internal threads, the upper communicating pipe is in threaded connection with the lower communicating pipe, the upper end and the lower end of the filter tank body are respectively provided with a resin inlet and a resin outlet, and the resin outlet is arranged above the quartz sand;
the salt box comprises a salt box body, wherein a left buffer part and a right buffer part are symmetrically arranged on two sides outside the salt box body, and the left buffer part and the right buffer part have the same structure; the left buffer part comprises a U-shaped clamping part, a first connecting plate and a second connecting plate are respectively arranged at the outer side ends of two transverse plates of the U-shaped clamping part, a first round hole and a second round hole are respectively arranged on the first connecting plate and the second connecting plate, a first supporting plate and a second supporting plate are respectively arranged at the outer side of a vertical plate of the U-shaped clamping part, a first vertical rod and a second vertical rod are respectively vertically arranged at the lower ends of the first supporting plate and the second supporting plate, the lower ends of the first vertical rod and the second vertical rod are respectively connected with a first baffle and a second baffle, and the lower surfaces of the first baffle and the second baffle are respectively connected with a first footing and a second footing through a first damping spring and a second damping spring; the first connecting plate of the left buffer part is connected with the first connecting plate of the right buffer part through a first screw rod, two ends of the first screw rod are respectively fixed through first nuts, the second connecting plate of the left buffer part is connected with the second connecting plate of the right buffer part through a second screw rod, two ends of the second screw rod are respectively fixed through second nuts, the outer wall of the middle lower end of the salt box body is wound with a reinforcing strip, and the outer side bottom wall of the salt box body is provided with anti-skid grains;
the reverse osmosis membrane shell comprises a membrane shell body, a reverse osmosis membrane filter element, an upper cover and a bottom cover, wherein a membrane shell water inlet is formed in the upper cover, a purified water discharge port and a concentrated water discharge port are formed in the bottom cover, the membrane shell body is in a long cylindrical shape, connecting flanges with horizontal outward expansion are arranged at two ends of the membrane shell body, a supporting sleeve is arranged at the bottom of the inner side of the upper cover, a spring and a gasket are arranged in the supporting sleeve, a raised supporting seat is arranged at the center of the bottom cover, a groove is formed in the supporting seat, the bottom of the groove is communicated with the purified water discharge port, the concentrated water discharge port is communicated with an inner cavity of the membrane shell body, the upper end of the reverse osmosis membrane filter element is embedded into the supporting sleeve and abuts against the gasket, the lower end of the reverse osmosis membrane filter element is embedded into the groove of the.
2. The medical ultrapure water machine of claim 1, wherein the opening of the front shell is provided with a step, and the support plate is clamped on the step.
3. The medical ultrapure water machine of claim 2 wherein a bearing is disposed between the output shaft of the motor and the through hole of the fixed plate.
4. The medical ultrapure water machine of claim 3, wherein the upper outer edge of the filtration tank body is symmetrically provided with a front connecting plate and a rear connecting plate in front and at the rear, and the front end and the rear end of the fixing plate are respectively fixed on the front connecting plate and the rear connecting plate through a front locking bolt and a rear locking bolt.
5. The medical ultrapure water machine of claim 4, wherein the resin inlet and the resin outlet are respectively provided at different sides of the filter tank body.
6. The medical ultrapure water machine of claim 5 wherein the filter tank body is provided with a filter plate at the inner upper end thereof.
7. The medical ultrapure water machine of claim 6 wherein the filter plate is provided with a circular hole in the middle through which the rotating shaft passes.
8. The medical ultrapure water machine of claim 7, wherein a water outlet pipe of the filtration tank is provided with a water suction pump.
9. The medical ultrapure water machine of claim 8, wherein the outer bottom wall of the salt box body is provided with a boss, and the boss is provided with anti-skid lines.
10. The medical ultrapure water machine of claim 9, wherein the connection flange is provided with an annular receding groove, the receding groove is internally provided with a first O-ring seal, the inner wall of the groove is provided with an annular receding groove, and the receding groove is internally provided with a second O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803431.5A CN107381907B (en) | 2017-09-08 | 2017-09-08 | Medical ultrapure water machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803431.5A CN107381907B (en) | 2017-09-08 | 2017-09-08 | Medical ultrapure water machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107381907A CN107381907A (en) | 2017-11-24 |
| CN107381907B true CN107381907B (en) | 2020-05-05 |
Family
ID=60351572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710803431.5A Expired - Fee Related CN107381907B (en) | 2017-09-08 | 2017-09-08 | Medical ultrapure water machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107381907B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109091951B (en) * | 2018-09-17 | 2020-12-01 | 台州市拓基科技有限公司 | Water purifying device for life |
| CN110844972A (en) * | 2019-12-03 | 2020-02-28 | 徐州聚西廷新型材料科技有限公司 | Single-stage reverse osmosis water purification device |
| CN111550917A (en) * | 2020-06-10 | 2020-08-18 | 大连理工大学 | Improved constant temperature gas water heater |
| CN112282713A (en) * | 2020-10-26 | 2021-01-29 | 张海军 | Efficient high-pressure water injection pipeline impurity collecting device and using method thereof |
| CN112777688A (en) * | 2021-01-05 | 2021-05-11 | 中国船舶重工集团公司第七0七研究所九江分部 | Ion exchange filter for make-up water of steam power system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1940744A1 (en) * | 2005-10-19 | 2008-07-09 | Franz Ferdinand Becker | Apparatus for the generation of physiological therapeutic and chemotherapeutic aqueous rinsing solutions |
| CN204298132U (en) * | 2014-11-25 | 2015-04-29 | 北京美能环保科技有限公司 | A kind of totally-enclosed pillar replaceable cartridge MBR device |
| CN105889568A (en) * | 2016-06-17 | 2016-08-24 | 厦门建霖工业有限公司 | Water purifier control valve and method of using same |
| CN205549756U (en) * | 2016-02-26 | 2016-09-07 | 邵天波 | Leading filter of impeller drive blowdown formula |
| CN205933513U (en) * | 2016-08-26 | 2017-02-08 | 广州姿采化妆品厂 | Integrated form water filter equipment |
| CN206219275U (en) * | 2016-09-30 | 2017-06-06 | 南京广泽环保科技有限公司 | A kind of anti-clogging filter element of water purifier of built-in washing and brushing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011212542A (en) * | 2010-03-31 | 2011-10-27 | Kurita Water Ind Ltd | Method for backwashing filter treatment means and water treatment apparatus therefor |
-
2017
- 2017-09-08 CN CN201710803431.5A patent/CN107381907B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1940744A1 (en) * | 2005-10-19 | 2008-07-09 | Franz Ferdinand Becker | Apparatus for the generation of physiological therapeutic and chemotherapeutic aqueous rinsing solutions |
| CN204298132U (en) * | 2014-11-25 | 2015-04-29 | 北京美能环保科技有限公司 | A kind of totally-enclosed pillar replaceable cartridge MBR device |
| CN205549756U (en) * | 2016-02-26 | 2016-09-07 | 邵天波 | Leading filter of impeller drive blowdown formula |
| CN105889568A (en) * | 2016-06-17 | 2016-08-24 | 厦门建霖工业有限公司 | Water purifier control valve and method of using same |
| CN205933513U (en) * | 2016-08-26 | 2017-02-08 | 广州姿采化妆品厂 | Integrated form water filter equipment |
| CN206219275U (en) * | 2016-09-30 | 2017-06-06 | 南京广泽环保科技有限公司 | A kind of anti-clogging filter element of water purifier of built-in washing and brushing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107381907A (en) | 2017-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107381907B (en) | Medical ultrapure water machine | |
| CN108014568A (en) | It is a kind of can self-cleaning strainer air filter | |
| CN105477922A (en) | Pre-filter with function of automatically cleaning filter screen | |
| CN112268149A (en) | Pipeline connecting device for sewage treatment with prevent stifled function | |
| CN211706122U (en) | Water filter of steam boiler | |
| CN212174603U (en) | Novel RO reverse osmosis water machine | |
| CN212050792U (en) | Large and medium-sized reverse osmosis device | |
| CN210113255U (en) | Tap water filtering device capable of thoroughly removing impurities | |
| CN208292823U (en) | A kind of sewage treatment sedimentation basin convenient for removing sediment | |
| CN207085487U (en) | A kind of efficient family expenses strong water purifier | |
| CN219972056U (en) | Wastewater ultrafiltration device convenient to clean | |
| KR101218119B1 (en) | Booster pump for water purifier | |
| CN205886381U (en) | Small -size water filter from beginning | |
| CN206278999U (en) | A kind of low wastewater rate water purification machine of family expenses | |
| CN219072600U (en) | Reverse osmosis sea water desalination equipment | |
| CN211198648U (en) | Multi-stage filtration water purification equipment | |
| CN214141990U (en) | Water purifier for efficiently cleaning scale | |
| CN219098834U (en) | RO reverse osmosis membrane water purification treatment device | |
| CN217068397U (en) | High-efficiency nanofiltration membrane for sewage treatment | |
| CN219907144U (en) | Reverse osmosis membrane water filter | |
| CN220223925U (en) | Ultrafiltration integrated water purifier | |
| CN220201709U (en) | Filter for water quality purification treatment | |
| CN219518058U (en) | Improved filter element assembly for environment-friendly water treatment equipment | |
| CN214087939U (en) | RO membrane reverse osmosis water purification unit | |
| CN214861591U (en) | Novel direct vent filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 Termination date: 20210908 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |