CN105776678A - Backwashing osmosis water purifier with timing function - Google Patents

Abstract

The invention relates to a backwashing osmosis water purifier with a timing function. A backwashing wastewater pipe is arranged on the water inlet end of a RO reverse osmosis membrane processing unit, the water outlet pipe of the RO reverse osmosis membrane processing unit is connected to a pressure tank, a non-return valve is arranged on the pipeline that connects the water outlet pipe of the RO reverse osmosis membrane processing unit and a water storage barrel; a timing device (14) is arranged on the water outlet pipe of the RO reverse osmosis membrane processing unit, the timing device (14) is connected to a PLC (15), and the PLC (15) starts or closes a water pump according to the signals from the timing device (14). The water purifier has the advantages that the service life of RO reverse osmosis membrane is prolonged, and the energy consumption and wastewater output are reduced.

Description

A kind of timing backwash infiltration water purifier

Technical field

The present invention relates to a kind of water purifier, it is specifically related to backwash infiltration water purifier.

Background technology

The subject matter that infiltration water purifier product exists at present is that RO reverse osmosis membrane cost is high and fragile.Existing reverse osmosis water purifier RO reverse osmosis membrane uses the time short, for changing RO reverse osmosis membrane time not have good control, causes or can not get timely replacing, or RO reverse osmosis membrane is just changed but without to service life, causes waste.

Therefore, if RO reverse osmosis membrane can be rinsed in time, it is to avoid its surface particles thing is piled up, then can improve the use time of RO reverse osmosis membrane, the use cost of user is reduced.Although the backwash for RO reverse osmosis membrane also has relevant design at present, but existing design is excessively complicated and loaded down with trivial details, and cost is high, and parts many production installation difficulty is big, increases small product size.

The present invention provides a kind of design simple, can carry out the infiltration water purifier of backwash at any time as required.

Summary of the invention

The technical problem to be solved is: in simpler, the lower in cost service life improving RO reverse osmosis membrane, improves cleaning water, accurately grasps the replacing construction of RO reverse osmosis membrane, be prevented effectively from the problem that pure water antibacterial exceeds standard.

For achieving the above object, technical scheme provided by the invention is, a kind of timing backwash infiltration water purifier, including water pump and the filter element being connected with water inlet pipe successively and RO reverse osmosis membrane processing unit, the water butt being connected with the outlet pipe of RO reverse osmosis membrane processing unit pure water, the water inlet pipe place of RO reverse osmosis membrane processing unit is provided with electromagnetic valve, the water inlet end of RO reverse osmosis membrane processing unit is provided with back flush waste pipe, the water outlet pipe part of RO reverse osmosis membrane processing unit is also associated with pressurized tank, the pipeline of the outlet pipe connection water butt of RO reverse osmosis membrane processing unit is also associated with check valve, the water outlet pipe part timing means of RO reverse osmosis membrane processing unit, timing means is connected with PLC, PLC controls being turned on and off of water pump according to the signal of timing means.

The pipeline of the outlet pipe connection water butt of described RO reverse osmosis membrane processing unit is also associated with pressure switch.

The waste pipe place of RO reverse osmosis membrane processing unit is also associated with return pipe, and described return pipe is connected to the water inlet end before the electromagnetic valve of water inlet pipe by the waste pipe of RO reverse osmosis membrane processing unit.

Described RO reverse osmosis membrane processing unit is additionally provided with pressure-display device.

Described return pipe is provided with governor valve control, is used for regulating hydraulic pressure.

The water purifier of prior art, RO reverse osmosis membrane generally only has the service life of 2-6 month, because be difficult to the granule passed through after life-time service at the surface sediment of RO reverse osmosis membrane, flow rate of water flow is caused to slow down, the easy breed bacteria in surface, and the output capacity making pure water is greatly reduced, usual prior art pure water is 1:4 with the waste water ratio drained, because RO reverse osmosis membrane packed particle breed bacteria then can make this ratio be greatly improved.And use technical scheme, owing to devising simpler easy-operating back purge system, by controlled back purge system, it is possible in time RO reverse osmosis membrane to be carried out back flush, and will be attached to the accumulation on RO reverse osmosis membrane surface and comparatively wash thoroughly along with back flush.Avoid surface bulky grain to pile up and cause that permeability is deteriorated and breed bacteria, the life of RO reverse osmosis membrane generally can be made to more than 36 months.Simultaneously because effluent part backflow again passes by RO reverse osmosis membrane, improve the output capacity of pure water, through overregulating the control of valve, pure water and the waste water ratio drained generally reach as between 1:2 to 1:1.Further, since have employed return of waste water and regulate valve, it is possible to achieve water pressure invariableness when product runs, it is to avoid cause that because hydraulic pressure is excessive the situation of damage of product occurs.Additionally, water butt adopts " activated carbon+KDF+ or Maifanitum " filtrate, and (Kai get Fei KDF is highly purified cu zn alloying pellet, it carries out water process work by micro-electrochemical redox reaction Redox, when contacting with water, two kinds of metals in alloy constitute countless little galvanic element system on submicroscopic yardstick, this material has powerful respond and the response speed being exceedingly fast in water, it is possible to remove in water the chlorine up to 99% and water dissolve lead, hydrargyrum, nickel, metal ion and the compound such as chromium.To suppress antibacterial, fungus, dirt, algae to grow effect distinguished.May insure that the water that is stored in water butt because of the long period need not and not breed bacteria, it is therefore prevented that the pure water after purification is because leaving the secondary pollution formed in water butt in.Prior art generally utilizes the time to calculate for the service life of RO reverse osmosis membrane, and ignores RO reverse osmosis membrane self work because water quality, flow are used for the impact in life-span, generally changes RO reverse osmosis membrane by the cycle of 2-6 month.RO reverse osmosis membrane is higher as relative price in water purifier and the equipment that plays a major role, and such way generally has two problems, and one is that RO reverse osmosis membrane does not damage itself, and temporally changes the use cost adding user undoubtedly；Another one problem is that RO reverse osmosis membrane has damaged but also not to the replacement cycle, and now uses the water quality purified beyond doubt to go wrong and energy consumption increasing.The present invention by being additionally provided with the way of pressure-display device after the electromagnetic valve of RO reverse osmosis membrane processing unit water inlet pipe place and water inlet pipe, whether normal by monitoring this place's hydraulic pressure, monitor that whether RO reverse osmosis membrane is working properly, judge whether to need to change RO reverse osmosis membrane with this.Because RO reverse osmosis membrane such as normal operation, hydraulic pressure is generally stable, such as RO reverse osmosis membrane cisco unity malfunction, can cause that the water penetration of RO reverse osmosis membrane is deteriorated due to the intransitable granule of surface sediment, cause variation in water pressure, with this monitor the duty of RO reverse osmosis membrane decide whether change, it is possible to much sooner, accurately grasp RO reverse osmosis membrane replacing construction.Prior art also has backwashing technology, but its design is complex, so causing that product cost is higher, the present invention designs simply, involved original paper is few, and produces and install relatively simple, uses convenient, the degree that user is completed by the flow observable backwash of backwashing wastewater, flushing process is more prone to control.

Fig. 1 is the structural representation of the present invention；

In figure:

1, filter element；2, electromagnetic valve；3, water pump；4, RO reverse osmosis membrane processing unit；5, water butt；6, valve is regulated；7, pressure-display device；8, valve is regulated；9, pressurized tank；10, check valve；11, pressure switch；12, back flush waste pipe；13, sewage outlet side；14, timing means；15、PLC.

Detailed description of the invention

For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.

Fig. 1 is backwash of the present invention infiltration water purifier structure figure, and it comprises: water inlet pipe, Combination filter element (PP filter element, grain active carbon filter element, compressibility carbon filter element), RO reverse osmosis membrane, pressure-display device 7, outlet pipe, return pipe, water butt 5.Described Combination filter element top is sequentially connected with by water pipe, is sequentially arranged with PP filter element, grain active carbon filter element and compressibility carbon filter element in PP filter element, grain active carbon filter element and compressibility carbon filter element.

In order to RO reverse osmosis membrane is carried out back flush, cleaner, remove the packed particle being attached to RO reverse osmosis membrane surface thoroughly, front end at check valve 10, namely the water side of RO reverse osmosis membrane is also additionally arranged pressurized tank 9, the pressure of pressurized tank 9 can select as required, the water inlet end of RO reverse osmosis membrane adds the back flush waste pipe 12 of sewage after discharge is rinsed simultaneously, the water side of RO reverse osmosis membrane increases check valve 10 and pressure switch 11 simultaneously, check valve 10 is for stoping the water purification of water side and water butt 5 to reflux, the water outlet pipe part of RO reverse osmosis membrane processing unit is connected to timing means 14, timing means 14 is connected with PLC15, PLC15 controls being turned on and off of water pump according to the signal of timing means 14.

The relation of common service life and particle packing and time during according to RO reverse osmosis membrane normal operation, to timing means 14, the regular hour is set, PLC15 can control water pump 3 according to timing means 14 and close, start RO reverse osmosis membrane is carried out backwash, in order to the particle packing on RO reverse osmosis membrane can be cleared up in time.

Considering to fully rely on the inexactness of time timing means 14, it is also possible to set up pressure switch 11 again in RO reverse osmosis membrane water side, pressure switch 11 can be used for manually or controlled pressure switch by PLC15, and whether the water storage controlling pressurized tank 9 carries out back flush.

During work, after the combined filter element of current of water inlet pipe, RO reverse osmosis membrane is flowed to through electromagnetic valve 2, pure water direct after RO reverse osmosis membrane filtration connected water outlet pipe in succession, it is simultaneously connected with water butt 5 and pressurized tank 9, flowing directly out when user directly uses, as then entered water butt 5 when user makes to be finished and still has surplus pure water and pressurized tank stores, standby user reuses and carries out the use of back flush.

Pressurized tank 9 is according to the difference used, and optional different hydraulic pressure, usual household water-purifying machine can be selected for the pressurized tank 9 of 5 kilograms of pressure.

When carrying out back flush as required, pressure switch 11 is closed, and RO reverse osmosis membrane is reversely rinsed by the water purification backflow stored in pressurized tank, and is got rid of by the back flush waste pipe 12 of RO reverse osmosis membrane water inlet end by the sewage after rinsing.So can clean the particle packing being attached to RO reverse osmosis membrane surface more thoroughly, and this process only need to control pressure switch 11 namely it is achieved that backwashing function can be used at any time.

Waste water after RO reverse osmosis membrane filtration is directly entered waste pipe and flows out, and arranges return pipe at waste pipe simultaneously, effluent part is back to RO reverse osmosis membrane front end, again passes by RO reverse osmosis membrane filtration, and residue waste water is then directly got rid of by waste pipe.For better controling over the ratio of waste water or different according to water quality, water inlet pipe hydraulic pressure is different, adjustment valve 7 it is additionally provided with at return duct place, to regulate the water yield of backflow waste water, control the hydraulic pressure of RO reverse osmosis membrane end, keep RO reverse osmosis membrane water inlet end water pressure invariableness, save electric power by this setting simultaneously, simultaneously when water pump 3 power is identical, increase hydraulic pressure, improve the flow velocity of the current flowing through RO reverse osmosis membrane, reduce RO reverse osmosis membrane and pile up oarse-grained probability, improve the service life of RO reverse osmosis membrane, when the identical pure water of output, save and used water.Arranging electromagnetic valve 6 in water purification water side, sewage outlet side 13 is also provided with electromagnetic valve 8 simultaneously.

Preferably, described water butt 5, water pipe and pressure pot are made by comprising KDF+ activated carbon+Maifanitum material, it can be ensured that in certain time, leave the water quality that the pure water in water butt 5 can keep good in, it is suppressed that bacteria breed.

Described RO reverse osmosis membrane processing unit 4 is additionally provided with pressure-display device 7, it is possible to be used for monitoring the change of RO reverse osmosis membrane place hydraulic pressure, concludes the need of changing RO reverse osmosis membrane with this.

Claims (6)

1. a timing backwash infiltration water purifier, including water pump and the filter element being connected with water inlet pipe successively and RO reverse osmosis membrane processing unit, the water butt being connected with the outlet pipe of RO reverse osmosis membrane processing unit pure water, the water inlet pipe place of RO reverse osmosis membrane processing unit is provided with electromagnetic valve, it is characterized in that: the water inlet end of RO reverse osmosis membrane processing unit is provided with back flush waste pipe, the water outlet pipe part of RO reverse osmosis membrane processing unit is also associated with pressurized tank, the pipeline of the outlet pipe connection water butt of RO reverse osmosis membrane processing unit is also associated with check valve, the water outlet pipe part timing means of RO reverse osmosis membrane processing unit, timing means is connected with PLC, PLC controls being turned on and off of water pump according to the signal of timing means.

2. a kind of timing backwash infiltration water purifier as claimed in claim 1, it is characterised in that: the pipeline of the outlet pipe connection water butt of described RO reverse osmosis membrane processing unit is also associated with pressure switch.

3. a kind of timing backwash infiltration water purifier as claimed in claim 1, it is characterized in that: the waste pipe place of RO reverse osmosis membrane processing unit is also associated with return pipe, described return pipe is connected to the water inlet end before the electromagnetic valve of water inlet pipe by the waste pipe of RO reverse osmosis membrane processing unit.

4. a kind of timing backwash infiltration water purifier as claimed in claim 1, it is characterised in that: described RO reverse osmosis membrane processing unit is additionally provided with pressure-display device.

5. a kind of timing backwash infiltration water purifier as claimed in claim 1, it is characterised in that: described return pipe is provided with governor valve control, is used for regulating hydraulic pressure.

6. a kind of timing backwash infiltration water purifier as claimed in claim 1, it is characterised in that: described water butt, water pipe and pressure pot are made by the material comprising KDF+ activated carbon+Maifanitum.