CN203159355U - Pump-free energy-saving water purification system - Google Patents
Pump-free energy-saving water purification system Download PDFInfo
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- CN203159355U CN203159355U CN 201320173770 CN201320173770U CN203159355U CN 203159355 U CN203159355 U CN 203159355U CN 201320173770 CN201320173770 CN 201320173770 CN 201320173770 U CN201320173770 U CN 201320173770U CN 203159355 U CN203159355 U CN 203159355U
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Abstract
The utility model relates to a pump-free energy-saving water purification system, which comprises a water inlet tee joint, a water purification filter group, a dichotomy ball valve, a four-way valve, an RO (reverse osmosis) membrane, a wastewater flush valve, a check valve, and a carbon rod cartridge filter, and also comprises a reducing valve, a non-pressure water storage barrel, an automatic water filling machine, and a water purification tap, wherein all the components of the pump-free energy-saving water purification system are connected through pipelines. The pump-free energy-saving water purification system saves electricity, has large water storage capacity, good safety performance and high comprehensive practicability, and can be widely promoted and applied to various water purifiers; the water stored by the system is not easy to deteriorate.
Description
Technical field
The utility model relates to a kind of water cleaning systems, the energy-conservation pure water system of especially a kind of no pump.
Background technology
In the modern development, constantly deepen for the pollution of environment, especially serious day by day to contaminated water source.Water is the necessary material that the mankind depend on for existence, for can safety, the healthy water source of quoting, people's utility model water purifier, a kind of sewage is purified the equipment that can drink for people after the filtration.
Traditional water purifier generally is divided into five steps water is filtered.The first step, by the cotton filter core of PP, to bigger particle, hair, jelly etc. filters; In second step, by the granulated active carbon system, the chlorine in the water is fallen in absorption, and water-soluble heavy metal reduces calcium, magnesium, ion water body hardness, prolongs the life-span of RO Filters; In the 3rd step, by high-density sintered activated carbon system, remove iron rust, suspended substance, remaining chlorine, magnesium etc., protection RO film; The 4th step, by the RO membrane filtration system, remove the heavy metal ion impurities in the water, and objectionable impurities such as bacterium; In the 5th step, by high density active charcoal (T33), the mouthfeel of increasing water quality is replenished mineral substance and trace element that human body needs.
There is deficiency in many aspects in the conventional water purifier system, first point, and the conventional water purifier system disposition has water pump, be used for to strengthen hydraulic pressure so that fluming water, but can make noise during pump working, and people's living environment is impacted.
Second point, the conventional water purifier system refers generally to be furnished with the outlet of pure water, be specifically designed to filter the water of drinking for people, and the efficient of filtering is limited, can not carry out a large amount of filtration fast, can't satisfy water to people except drinking, the use of other purposes.
Thirdly, the conventional water purifier system adopts the water tank of built-in rubbery air pocket, and safety performance is not high, and moisture storage capacity is not high, generally has only about 5kg.
Except above deficiency, conventional water purifier system also having on some parts use is much undesirable, makes that the pumpage of water purifier system is poor, and controllability is low, and comprehensive practicality is low.
The utility model content
The purpose of this utility model is to have the low problem of comprehensive practicality in order to solve the conventional water purifier system of mentioning in the background technology.
In order to overcome the above problems, the utility model provides a kind of no pump energy-conservation pure water system, comprise into water threeway, two fens ball valves, four-sided valve, the RO film, the waste water flush valve, reverse checkvalve, the carbon-point candle filter, also comprise reducing valve, the water-purifying filter group, the non-pressure water storage bucket, the automatic loading water device, the pure water tap, each assembly of the energy-conservation pure water system of described no pump passes through pipe connection, described water-purifying filter group comprises the UF candle filter, one end of described water inlet threeway connects two fens ball valves successively by pipeline, reducing valve, the water-purifying filter group, first water-in of four-sided valve, first water outlet of described four-sided valve is by the water inlet of pipe connection RO film, the wastewater outlet of described RO film is by the flush valve of pipe connection waste water, the pure water outlet of described RO film connects reverse checkvalve successively by pipeline, second water-in of four-sided valve, second water outlet of described four-sided valve connects the carbon-point candle filter successively by pipeline, the non-pressure water storage bucket, the automatic loading water device, the pure water tap, described non-pressure water storage bucket comprises staving, float(ing)valve, air inlet port, water port, described staving top one side is equipped with float(ing)valve, described staving top opposite side is equipped with air inlet port, the position of the corresponding air inlet port in described staving bottom is equipped with water port, described automatic loading water device comprises housing, control circuit board, micro pump, water inlet pipe mouth, effluent pipe mouth, the electric wire interface, described housing downside is installed into hose nozzle respectively, effluent pipe mouth, the electric wire interface, be connected micro pump between described water inlet pipe mouth and the effluent pipe mouth, described micro pump connects control circuit board by electric wire, described control circuit board connects the electric wire interface by electric wire, described pure water tap comprises electronic switch, outlet conduit, described electronic switch is installed on the outlet conduit outer side, the valve of described float(ing)valve is by pipe connection carbon-point candle filter, described water port is by the water inlet pipe mouth of pipe connection automatic loading water device, described effluent pipe mouth is by the pipe connection outlet conduit, and described electric wire interface connects electronic switch by electric wire.
Described reducing valve comprises sealing cover, valve body, bonnet,, bottom flange, main spring, return spring, spool, spring capping, described spool comprises round bar and conical plug, described valve body is divided into valve chamber and lower valve chamber, be provided with control punch between two valve chambers up and down, described control punch lower wall chamfering, the described valve chamber of going up is communicated with water outlet, described lower valve chamber is communicated with water-in, described valve body upside is provided with sealing cover, described sealing cover comprises lid and the sealing-ring that is fixed on the lid, the described sealing cover outside is provided with bonnet,, described bonnet, top is equipped with spring capping by screw thread, be provided with main spring between described spring capping and the sealing cover, described sealing cover downside and round bar offset, and described control punch downside is provided with conical plug, and described conical plug lower end is with return spring, described return spring lower end and bottom flange offset, and described bottom flange upper end is provided with the hollow cylinder bulge-structure that an outside is with O type circle.
Described float(ing)valve comprises valve, piston pad, connecting rod, cursory, throttle orifice, described valve inboard is provided with throttle orifice, described throttle orifice downside has piston pad mutually, described valve downside can be rotatably connected to connecting rod, and it is cursory that described connecting rod connects, and the lower valve port of described valve progressively narrows, what described piston pad was corresponding with lower valve port progressively dwindles, the middle-end of described piston pad is provided with cross through hole, and described piston pad lower end is provided with vertical through hole, and described cross through hole is communicated with vertical through hole.
Be connected with clear water faucet between described water-purifying filter group and the four-sided valve.
The energy-conservation pure water system of no pump described in the utility model, comprise into water threeway, two fens ball valves, four-sided valve, the RO film, the waste water flush valve, reverse checkvalve, the carbon-point candle filter, also comprise reducing valve, the water-purifying filter group, the non-pressure water storage bucket, the automatic loading water device, the pure water tap, each assembly of the energy-conservation pure water system of described no pump passes through pipe connection, described water-purifying filter group comprises the UF candle filter, one end of described water inlet threeway connects two fens ball valves successively by pipeline, reducing valve, the water-purifying filter group, first water-in of four-sided valve, first water outlet of described four-sided valve is by the water inlet of pipe connection RO film, the wastewater outlet of described RO film is by the flush valve of pipe connection waste water, the pure water outlet of described RO film connects reverse checkvalve successively by pipeline, second water-in of four-sided valve, second water outlet of described four-sided valve connects the carbon-point candle filter successively by pipeline, the non-pressure water storage bucket, the automatic loading water device, the pure water tap, described non-pressure water storage bucket comprises staving, float(ing)valve, air inlet port, water port, described staving top one side is equipped with float(ing)valve, described staving top opposite side is equipped with air inlet port, the position of the corresponding air inlet port in described staving bottom is equipped with water port, described automatic loading water device comprises housing, control circuit board, micro pump, water inlet pipe mouth, effluent pipe mouth, the electric wire interface, described housing downside is installed into hose nozzle respectively, effluent pipe mouth, the electric wire interface, be connected micro pump between described water inlet pipe mouth and the effluent pipe mouth, described micro pump connects control circuit board by electric wire, described control circuit board connects the electric wire interface by electric wire, described pure water tap comprises electronic switch, outlet conduit, described electronic switch is installed on the outlet conduit outer side, the valve of described float(ing)valve is by pipe connection carbon-point candle filter, described water port is by the water inlet pipe mouth of pipe connection automatic loading water device, described effluent pipe mouth is by the pipe connection outlet conduit, and described electric wire interface connects electronic switch by electric wire.Because adopt the automatic loading water device to use miniature micro pump, the operating noise of pure water system is very little, saves energy, because pure water system is provided with clear water faucet, the production of water purification can satisfy that the user washes one's face and rinses one's mouth, cleaning etc. is to the requirement of general water.The non-pressure water storage bucket that this pure water system is provided with non-built-in rubber bag can store more water purification, can better solve the needs that the user need drink water in a large number, avoids the situation of water storage deficiency.The energy-conservation water storage system of no pump of the present utility model, saves energy, moisture storage capacity is big, and is safe, and for transmission and the filtration efficiency height of water, comprehensive practicality height can be promoted the use of energetically.
Description of drawings
Accompanying drawing 1 is the structural representation of the energy-conservation pure water system of no pump described in the utility model.
Accompanying drawing 2 is structure of relief pressure valve synoptic diagram of the energy-conservation pure water system of no pump described in the utility model.
Accompanying drawing 3 is non-pressure water storage barrel structure synoptic diagram of the energy-conservation pure water system of no pump described in the utility model.
Accompanying drawing 4 is floating ball valve structure synoptic diagram of non-pressure water storage bucket described in the utility model.
Accompanying drawing 5 is RO film synoptic diagram of the energy-conservation pure water system of no pump described in the utility model.
Accompanying drawing 6 is four-sided valve synoptic diagram of the energy-conservation pure water system of no pump described in the utility model.
Accompanying drawing 7 is automatic loading water device synoptic diagram of the energy-conservation pure water system of no pump described in the utility model.
11, water inlet threeway; 12, reducing valve; 121, sealing cover; 61, lid; 62, sealing-ring; 122, valve body; 63, water outlet; 64, water-in; 65, go up valve chamber; 66, lower valve chamber; 67, control punch; 123, bonnet; 124, bottom flange; 125, main spring; 126, return spring; 127, spool; 128, spring capping; 13, water-purifying filter group; 131, UF candle filter; 15, two fens ball valves; 21, four-sided valve; 211, first water-in; 212, first water outlet; 213, second water-in; 214, second water outlet; 22, RO film; 221, water inlet; 222, wastewater outlet; 223, pure water outlet; 23, waste water flush valve; 231, waste water ratio; 232, recoil ball valve; 24, reverse checkvalve; 25, carbon-point candle filter; 26, non-pressure water storage bucket; 261, staving; 262, float(ing)valve; 81, valve; 82, piston pad; 83, connecting rod; 84, cursory; 85, throttle orifice; 86, lower valve port; 87, cross through hole; 88, vertical through hole; 263, air inlet port; 264, water port; 27, automatic loading water device; 271, housing; 272, control circuit board; 273, micro pump; 274, water inlet pipe mouth; 275, effluent pipe mouth; 276, electric wire interface; 28, pure water tap; 281, electronic switch; 282, outlet conduit; 3, clear water faucet; 45, bulge-structure; 71, round bar; 72, conical plug.
Embodiment
Below in conjunction with accompanying drawing the energy-conservation pure water system of no pump described in the utility model is described further.
As shown in Fig. 1 ~ Fig. 7, the energy-conservation pure water system of no pump of present embodiment, comprise into water threeway 11, ball valve 15 in two minutes, four-sided valve 21, RO film 22, waste water flush valve 23, reverse checkvalve 24, carbon-point candle filter 25, also comprise reducing valve 12, water-purifying filter group 13, non-pressure water storage bucket 26, automatic loading water device 27, pure water tap 28, each assembly of the energy-conservation pure water system of described no pump passes through pipe connection, described water-purifying filter group 13 comprises UF candle filter 131, one end of water inlet threeway 11 connects two fens ball valves 15 successively by pipeline, reducing valve 12, water-purifying filter group 13, first water-in 211 of four-sided valve 21, first water outlet 212 of four-sided valve 21 is by the water inlet 221 of pipe connection RO film 22, the wastewater outlet 222 of RO film 22 is by pipe connection waste water flush valve 23, the pure water of RO film 22 outlet 223 connects reverse checkvalve 24 successively by pipeline, second water-in 213 of four-sided valve 21, second water outlet 214 of four-sided valve 21 connects carbon-point candle filter 25 successively by pipeline, non-pressure water storage bucket 26, automatic loading water device 27, pure water tap 28, non-pressure water storage bucket 26 comprises staving 261, float(ing)valve 262, air inlet port 263, water port 264, staving 261 tops one side is equipped with float(ing)valve 262, staving 261 top opposite sides are equipped with air inlet port 263, the position of the corresponding air inlet port 263 in staving 261 bottoms is equipped with water port 264, automatic loading water device 27 comprises housing 271, control circuit board 272, micro pump 273, water inlet pipe mouth 274, effluent pipe mouth 275, electric wire interface 276, housing 271 downsides are installed into hose nozzle 274 respectively, effluent pipe mouth 275, electric wire interface 276, be connected micro pump 273 between water inlet pipe mouth 274 and the effluent pipe mouth 275, micro pump 273 connects control circuit board 272 by electric wire, control circuit board 272 connects electric wire interface 276 by electric wire, pure water tap 28 comprises electronic switch 281, outlet conduit 282, electronic switch 281 is installed on outlet conduit 282 outer sides, the valve 81 of float(ing)valve 262 is by pipe connection carbon-point candle filter 25, water port 264 is by the water inlet pipe mouth 274 of pipe connection automatic loading water device 27, effluent pipe mouth 275 is by pipe connection outlet conduit 282, and electric wire interface 276 connects electronic switch 281 by electric wire.The energy-conservation pure water system of no pump described in the utility model, tap water enters pure water system by water inlet threeway 11 and filters, tap water is through after the decompression of reducing valve 12, enter water-purifying filter group 13 impurity screenings, particle in the tap water, heavy metal and bacterium are filtered, tap water after process is filtered enters four-sided valve 21 by first water-in 211 of four-sided valve 21, effect by reverse osmosis membrane, after tap water is flowed out by first water outlet 212, enter RO film 22 and carry out finly filtration, pure water after filtering through RO film 22 is by pure water outlet 223 reverse checkvalve 24 of flowing through, enter four-sided valve 21 again by second water-in 213, effect by reverse osmosis membrane, flow into carbon-point candle filter 25 by second water outlet 214 and remove peculiar smell, flowing into non-pressure water storage bucket 26 then stores, when waiting pure water when needed, can press electronic switch 281, control circuit board 272 will guide micro pump 273 work, pure water in the non-pressure water storage bucket 26 is carried, final outlet conduit 282 by pure water tap 28 flows out, and is for people to use.In whole pure water system, the waste water of waste water flush valve 23 is controlled the speed that RO film 22 filters tap water than 231 pressure for adjusting RO film 22.The recoil ball valve 232 of waste water flush valve 23 is used for the control tap water and flows to, and when recoil ball valve 232 was in closing condition, RO film 22 can carry out filtration work; When recoil ball valve 232 was in open mode, the pressure in the RO film 22 reduced, and RO film 22 stops filtration work, and tap water washes the back to RO film 22 and flows out pure water system by wastewater outlet 222.Reducing valve 12 is used for reducing to flow into the hydraulic pressure of water-purifying filter group 13, the protection filter core.Reverse checkvalve is used for guaranteeing the uniflux of pure water.Non-pressure water storage bucket 26 is provided with air inlet port 263, can guarantee the water quality of water storage, regulates the pressure in the bucket, and with respect to the water butt of internal airbag, can store more pure water.Automatic loading water device 27 is used for efficiently drawing water with control accurately by electronic switch 281 controls.Replace the active carbon filter core strainer by UF candle filter 131 in the water-purifying filter group 13, improved the ability of detrimental impurity such as silt in the filtering water, iron rust, bacterium, colloid, larger molecular organics.The energy-conservation pure water system of no pump of present embodiment, saves energy, operating noise is little, and moisture storage capacity is big, and safety performance is good, and comprehensive practicality height can be promoted the use of energetically.
As shown in Figure 2, in the present embodiment, described reducing valve 12 comprises sealing cover 121, valve body 122, bonnet, 123, bottom flange 124, main spring 125, return spring 126, spool 127, spring capping 128, spool 127 comprises round bar 71 and conical plug 72, valve body 122 is divided into valve chamber 65 and lower valve chamber 66, be provided with control punch 67 between two valve chambers up and down, control punch 67 lower wall chamferings, last valve chamber 65 is communicated with water outlet 63, lower valve chamber 66 is communicated with water-in 64, valve body 122 upsides are provided with sealing cover 121, sealing cover 121 comprises lid 61 and the sealing-ring 62 that is fixed on the lid 61, sealing cover 121 outsides are provided with bonnet, 123, bonnet, 123 tops are equipped with spring capping 128 by screw thread, be provided with main spring 125 between spring capping 128 and the sealing cover 121, sealing cover 121 downsides and round bar 71 offset, control punch 67 downsides are provided with conical plug 72, conical plug 72 lower ends are with return spring 126, return spring 126 lower ends and bottom flange 124 offset, and bottom flange 124 upper ends are provided with the hollow cylinder bulge-structure 45 that an outside is with O type circle.Because reducing valve 12 is provided with spring capping 128, can regulate the decompression ratio of reducing valve 12 according to concrete needs; The round bar 71 that reducing valve 12 is provided with, bulge-structure 45 can guarantee that effect of easing stress is more stable, and after decompression, hydraulic pressure can drop to 3kg from 10kg.
As shown in Figure 4, in the present embodiment, described float(ing)valve 262 comprises valve 81, piston pad 82, connecting rod 83, cursory 84, throttle orifice 85, valve 81 inboards are provided with throttle orifice 85, throttle orifice 85 downsides have piston pad 82 mutually, valve 81 downsides can be rotatably connected to connecting rod 83, connecting rod 83 connects cursory 84, the lower valve port 86 of valve 81 progressively narrows, piston pad 82 and lower valve port 86 corresponding progressively dwindling, the middle-end of piston pad 82 is provided with cross through hole 87, and piston pad 82 lower ends are provided with vertical through hole 88, and cross through hole 87 is communicated with vertical through hole 88.Because float(ing)valve is provided with throttle orifice 85, can improve the controllability of 26 pairs of water inlets of non-pressure water storage bucket, improved the operational efficiency of pure water system.
In the present embodiment, be connected with clear water faucet 3 between described water-purifying filter group 13 and the four-sided valve 21.Can satisfy the different requirement of user, because the water purification of clear water faucet 3 outputs can be used for washing one's face and rinsing one's mouth and purposes such as cleaning, the speed of output is wanted several times of pieces than the speed of the leading 28 output pure water of pure water, even tens times, the requirement of a large amount of waters of needs such as can satisfy that people clean, wash one's face and rinse one's mouth has improved the practicality of pure water system.
The utility model is not limited to above embodiment and conversion.
Claims (4)
1. energy-conservation pure water system of no pump, comprise into water threeway (11), two fens ball valves (15), four-sided valve (21), RO film (22), waste water flush valve (23), reverse checkvalve (24), carbon-point candle filter (25), it is characterized in that: also comprise reducing valve (12), water-purifying filter group (13), non-pressure water storage bucket (26), automatic loading water device (27), pure water tap (28), each assembly of the energy-conservation pure water system of described no pump passes through pipe connection, described water-purifying filter group (13) comprises UF candle filter (131), one end of described water inlet threeway (11) connects two fens ball valves (15) successively by pipeline, reducing valve (12), water-purifying filter group (13), first water-in (211) of four-sided valve (21), first water outlet (212) of described four-sided valve (21) is by the water inlet (221) of pipe connection RO film (22), the wastewater outlet (222) of described RO film (22) is by pipe connection waste water flush valve (23), the pure water outlet (223) of described RO film (22) connects reverse checkvalve (24) successively by pipeline, second water-in (213) of four-sided valve (21), second water outlet (214) of described four-sided valve (21) connects carbon-point candle filter (25) successively by pipeline, non-pressure water storage bucket (26), automatic loading water device (27), pure water tap (28), described non-pressure water storage bucket (26) comprises staving (261), float(ing)valve (262), air inlet port (263), water port (264), described staving (261) top one side is equipped with float(ing)valve (262), described staving (261) top opposite side is equipped with air inlet port (263), the position of the corresponding air inlet port in described staving (261) bottom (263) is equipped with water port (264), described automatic loading water device (27) comprises housing (271), control circuit board (272), micro pump (273), water inlet pipe mouth (274), effluent pipe mouth (275), electric wire interface (276), described housing (271) downside is installed into hose nozzle (274) respectively, effluent pipe mouth (275), electric wire interface (276), be connected micro pump (273) between described water inlet pipe mouth (274) and the effluent pipe mouth (275), described micro pump (273) connects control circuit board (272) by electric wire, described control circuit board (272) connects electric wire interface (276) by electric wire, described pure water tap (28) comprises electronic switch (281), outlet conduit (282), described electronic switch (281) is installed on outlet conduit (282) outer side, the valve (81) of described float(ing)valve (262) is by pipe connection carbon-point candle filter (25), described water port (264) is by the water inlet pipe mouth (274) of pipe connection automatic loading water device (27), described effluent pipe mouth (275) is by pipe connection outlet conduit (282), and described electric wire interface (276) connects electronic switch (281) by electric wire.
2. the energy-conservation pure water system of a kind of no pump according to claim 1, it is characterized in that: described reducing valve (12) comprises sealing cover (121), valve body (122), bonnet, (123), bottom flange (124), main spring (125), return spring (126), spool (127), spring capping (128), described spool (127) comprises round bar (71) and conical plug (72), described valve body (122) is divided into valve chamber (65) and lower valve chamber (66), be provided with control punch (67) between two valve chambers up and down, described control punch (67) lower wall chamfering, the described valve chamber (65) of going up is communicated with water outlet (63), described lower valve chamber (66) is communicated with water-in (64), described valve body (122) upside is provided with sealing cover (121), described sealing cover (121) comprises lid (61) and is fixed in sealing-ring (62) on the lid (61), described sealing cover (121) outside is provided with bonnet, (123), described bonnet, (123) top is equipped with spring capping (128) by screw thread, be provided with main spring (125) between described spring capping (128) and the sealing cover (121), described sealing cover (121) downside and round bar (71) offset, described control punch (67) downside is provided with conical plug (72), described conical plug (72) lower end is with return spring (126), described return spring (126) lower end and bottom flange (124) offset, and described bottom flange (124) upper end is provided with the hollow cylinder bulge-structure (45) that an outside is with O type circle.
3. the energy-conservation pure water system of a kind of no pump according to claim 1, it is characterized in that: described float(ing)valve (262) comprises valve (81), piston pad (82), connecting rod (83), cursory (84), throttle orifice (85), described valve (81) inboard is provided with throttle orifice (85), described throttle orifice (85) downside has piston pad (82) mutually, described valve (81) downside can be rotatably connected to connecting rod (83), described connecting rod (83) connects cursory (84), the lower valve port (86) of described valve (81) progressively narrows, described piston pad (82) and corresponding progressively the dwindling of lower valve port (86), the middle-end of described piston pad (82) is provided with cross through hole (87), described piston pad (82) lower end is provided with vertical through hole (88), and described cross through hole (87) is communicated with vertical through hole (88).
4. the energy-conservation pure water system of a kind of no pump according to claim 1 is characterized in that: be connected with clear water faucet (3) between described water-purifying filter group (13) and the four-sided valve (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173770 CN203159355U (en) | 2013-04-09 | 2013-04-09 | Pump-free energy-saving water purification system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173770 CN203159355U (en) | 2013-04-09 | 2013-04-09 | Pump-free energy-saving water purification system |
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| CN203159355U true CN203159355U (en) | 2013-08-28 |
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| CN 201320173770 Expired - Lifetime CN203159355U (en) | 2013-04-09 | 2013-04-09 | Pump-free energy-saving water purification system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103172190A (en) * | 2013-04-09 | 2013-06-26 | 富阳市中荷电子有限公司 | No-pump energy-saving pure water system |
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2013
- 2013-04-09 CN CN 201320173770 patent/CN203159355U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103172190A (en) * | 2013-04-09 | 2013-06-26 | 富阳市中荷电子有限公司 | No-pump energy-saving pure water system |
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