CN203048685U - Energy-saving type reverse-osmosis water purification machine - Google Patents

Abstract

The utility model relates to an energy-saving type reverse-osmosis water purification machine. The energy-saving type reverse-osmosis water purification machine comprises a first-stage filter unit, a low-voltage switch, an inflow electromagnetic valve, a second-stage filter unit, a third-stage filter unit, a booster pump, an RO (reverse-osmosis) membrane, a non-return valve, a high-voltage switch, a rear active carbon adjustment tube and a computer control panel. The energy-saving type reverse-osmosis water purification machine is characterized by further comprising a wastewater proportioner, a one-way valve and a washing electromagnetic valve, wherein the water inlet of the washing electromagnetic valve is connected with the concentrated water outlet of the RO membrane; the water inlet of the wastewater proportioner is also connected with the concentrated water outlet of the RO membrane; the water outlet of the wastewater proportioner is connected with the water inlet of the one-way valve; the water outlet of the one-way valve is connected with the water inlet of the booster pump; and the washing electromagnetic valve is also connected with the computer control panel. Compared with the prior art, the energy-saving type reverse-osmosis water purification machine disclosed by the utility model has the advantages that the concentrated water generated by the RO membrane is enabled to flow back in the booster pump and the RO membrane via the wastewater proportioner and the one-way valve, thus being capable of being effectively recycled; and meanwhile the concentrated water flowing back can be used for cleaning the RO membrane, thus being capable of effectively prolonging the service life of the RO membrane.

Description

Energy-saving reverse osmosis pure water machine

technical field

The utility model relates to an infiltration pure water machine, in particular to an energy-saving infiltration pure water machine. the

Background technique

Osmotic pure water machine (referred to as RO machine) is a kind of reverse osmosis filtration method that is currently popular in the world, pressurizes raw water, uses physical principles to filter, and then does not add any compounds to produce pure water that can be directly consumed by humans. Machines (also known as terminal water purification equipment). Use municipal tap water whose water quality meets the provisions of the Ministry of Health of China's "National Drinking Water Quality Hygienic Standards in China" as raw water, 2 filter elements of granular activated carbon and compressed activated carbon and 1 PP cotton soluble spray filter element to pre-filter the raw water, and then pre-filter the pre-filtered water The water is pressured by the booster pump to pass through the RO membrane with a pore size of 0.0001 micron, and finally through the post-installed activated carbon regulating tube made of fruit shell (coconut shell) to produce pure water. However, the concentrated water produced by the RO membrane in the existing RO machine is directly discharged, and the waste of water materials is serious. the

Utility model content

The technical problem to be solved by the utility model is to provide an energy-saving RO machine that can effectively utilize the concentrated water produced by the RO membrane in view of the above-mentioned prior art. the

The technical solution adopted by the utility model to solve the above technical problems is: the energy-saving RO machine includes a primary filter unit, a low pressure switch, a water inlet solenoid valve, a secondary filter unit, a tertiary filter unit, a booster pump, and an RO membrane , non-return valve, high-pressure switch, post-installed activated carbon regulating tube and computer control panel, in which the raw water passes through the primary filter unit, secondary filter unit, and tertiary filter unit in sequence, and then connects with the water inlet of the booster pump. The switch and water inlet solenoid valve are connected in series on the pipeline between the primary filter unit and the secondary filter unit. The water outlet of the booster pump is connected to the water inlet of the RO membrane, and the pure water outlet of the RO membrane is connected to the rear activated carbon filter. The water inlet of the regulating pipe is connected, the check valve and the high pressure switch are set on the pipeline between the RO membrane and the rear activated carbon regulating pipe, the water coming out of the water outlet of the rear activated carbon regulating pipe is pure water, the low pressure switch, The high pressure switch, the booster pump and the water inlet solenoid valve are all connected to the computer control panel, and it is characterized in that it also includes a waste water proportional device, a one-way valve, a flushing solenoid valve, the water inlet of the flushing solenoid valve and the RO membrane concentrated water outlet connection, the water inlet of the waste water proportioner is also connected with the RO membrane concentrated water outlet, the water outlet of the waste water proportioner is connected with the water inlet of the one-way valve, the water outlet of the one-way valve is connected with the water inlet of the booster pump, and the The flushing solenoid valve is also connected with the computer control panel. the

As an improvement, the water from the pure water outlet of the RO membrane is connected to a pressure tank after passing through the high pressure switch. the

Compared with the prior art, the utility model has the advantage that the concentrated water produced by the RO membrane can be effectively reused by returning the concentrated water produced by the RO membrane to the booster pump and the RO membrane through the waste water proportional device and the one-way valve. , save water, and at the same time prolong the service life of the first three filter elements. During actual use, the computer control board can be used to control the opening and closing of the high pressure switch and the flushing solenoid valve to control the water production time and flushing time. the

Description of drawings

Fig. 1 is the waterway schematic diagram of the energy-saving RO machine in the utility model embodiment;

Fig. 2 is an electrical schematic diagram of an energy-saving RO machine in an embodiment of the present invention. the

Detailed ways

The utility model is described in further detail below in conjunction with the accompanying drawings. the

The energy-saving RO machine provided by the utility model includes a first-stage filter unit 1, a low-pressure switch 2, a water inlet solenoid valve 3, a second-stage filter unit 4, a third-stage filter unit 5, a booster pump 6, an RO membrane 7, an inverter Stop valve 8, high pressure switch 9, rear activated carbon regulating tube 10, waste water proportional device 11, one-way valve 12, flushing solenoid valve 13 and computer control panel, wherein the raw water first passes through a three-way ball valve 14 and then passes through the first stage respectively The filter unit, the secondary filter unit, and the tertiary filter unit are connected to the water inlet of the booster pump, and the low-pressure switch and the water inlet solenoid valve are connected in series on the pipeline between the primary filter unit and the secondary filter unit. The water outlet of the pump is connected to the water inlet of the RO membrane, the pure water outlet of the RO membrane is connected to the water inlet of the rear activated carbon regulating tube, and the check valve and high pressure switch are set between the RO membrane and the rear activated carbon regulating tube. On the pipeline, the water from the outlet of the rear activated carbon regulating tube is pure water. The water inlet of the flushing solenoid valve is connected to the RO membrane concentrated water outlet, and the water inlet of the waste water proportional device is also connected to the RO membrane concentrated water outlet. The water outlet of the proportioner is connected with the water inlet of the one-way valve, the water outlet of the one-way valve is connected with the water inlet of the booster pump, and the low-pressure switch, high-pressure switch, booster pump, water inlet solenoid valve and flushing solenoid valve are connected with all The computer control board is connected; the water from the pure water outlet of the RO membrane is also connected to a pressure tank 15 after passing through the high pressure switch, as shown in Fig. 1 and Fig. 2 . When the flushing solenoid valve is opened, the concentrated water is discharged from the outlet of the flushing solenoid valve, and when the flushing solenoid valve is closed, the concentrated water returns to the water inlet of the booster pump and is filtered again. the

In this embodiment, the waste water proportioner adopts a 300CC waste water proportioner, and the one-way valve adopts a one-way one-way valve, and the function of the one-way one-way valve is to prevent raw water from entering the pure water end. the

The computer control panel controls the opening and closing of the low-pressure switch, the high-pressure switch, the booster pump, the water inlet solenoid valve and the flushing solenoid valve according to the actual situation. The water production path is: raw water → primary filter unit → low pressure switch → water inlet solenoid valve → secondary filter unit → third stage filter unit → booster pump → RO membrane → check valve → high pressure switch → rear activated carbon regulating tube → faucet; flushing circuit is: raw water → first-stage filter unit → low-pressure switch → water inlet solenoid valve → second-stage filter unit → third-stage filter unit → booster pump → RO membrane → waste water proportioner → one-way valve → booster pump → RO membrane. In actual design, the opening and closing of the low pressure switch, high pressure switch, booster pump, water inlet solenoid valve and flushing solenoid valve can be controlled by the computer control board, so that the water making circuit is opened for 55 seconds and the flushing circuit is opened for 5 seconds. Or control according to other ratios, so as to return the concentrated water to flush the RO membrane, so as to avoid wasting water and improve the service life of the RO membrane. the

Claims (2)

1. energy-saving reverse osmosis water purification machine, comprise the one-level filtering unit, low-tension switch, entering water electromagnetic valve, the cascade filtration unit, the three-stage filtration unit, topping-up pump, the RO film, reverse checkvalve, high-voltage switch gear, rearmounted activated carbon adjustable pipe and computer switchboard, its Central Plains water is by passing through the one-level filtering unit respectively successively, the cascade filtration unit, be connected with the water-in of topping-up pump behind the three-stage filtration unit, low-tension switch and entering water electromagnetic valve are serially connected on the pipeline between one-level filtering unit and the cascade filtration unit successively, the water outlet of topping-up pump is connected with the water-in of RO film, the pure water outlet of RO film is connected with the water-in of rearmounted activated carbon adjustable pipe, reverse checkvalve and high-voltage switch gear are arranged on the pipeline between RO film and the rearmounted activated carbon adjustable pipe, the water that the water outlet of rearmounted activated carbon adjustable pipe comes out is pure water, low-tension switch, high-voltage switch gear, topping-up pump all is connected with described computer switchboard with entering water electromagnetic valve, it is characterized in that: also comprise the waste water proportioner, check valve, scouring electromagnetic valve, the water-in of scouring electromagnetic valve is connected with RO membrane concentration water out, the water-in of waste water proportioner also is connected with RO membrane concentration water out, the water outlet of waste water proportioner is connected with the water-in of check valve, the water outlet of check valve is connected with the water-in of topping-up pump, and described scouring electromagnetic valve also is connected with described computer switchboard.

2. energy-saving reverse osmosis water purification machine according to claim 1 is characterized in that: also be connected with a pressure pot behind the described high-voltage switch gear of water process that the pure water of described RO film exports out.

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