CN102219320B - Water purifier - Google Patents

Abstract

The invention is a water purifier. Including raw water storage device, pressurization device, primary filtration device, reverse osmosis treatment device, wastewater recovery pipeline device and clean water storage device, the wastewater recovery pipeline device can return the wastewater generated by the reverse osmosis treatment device to the raw water storage device Recycling purification is carried out again to improve the utilization efficiency of waste water. Because the present invention adopts the raw water storage device to receive raw water and waste water, the raw waste water is fully mixed and enters the next water production cycle, the raw water storage device is not easy to breed bacteria, and the proportional controller set on the waste water recovery pipeline device makes the water production efficiency and waste water utilization The efficiency is improved; the water intake of the raw water storage device can adopt automatic water intake, and water can also be added manually. The invention can be used in the kitchen, living room or bedroom, and is not limited by the place; at the same time, the waste water produced by the reverse osmosis treatment device is filtered by the composite filter element. Then return to the raw water storage device to reduce the concentration of wastewater, reduce the burden on the filtration system during the next water production cycle, and ensure the service life of the filtration system.

Description

a water purifier

technical field

The invention is a water purifier, which belongs to the innovative technology of the water purifier.

Background technique

With the improvement of people's living standards, the requirements for the quality of drinking water are also getting higher and higher. Therefore, in the past ten years, reverse osmosis treatment technology has been gradually introduced from the industrial field to the civilian field, and has developed into the form of terminal purification. Although the reverse osmosis treatment technology has many advantages, it also produces a large amount of wastewater when it produces pure water or clean water. These wastewaters have relatively high ion content and are directly discharged, resulting in a great waste of water resources.

Chinese patent document CN201164379Y discloses a water-saving reverse osmosis direct drinking water machine, which includes a water storage tank, a primary filter device, a reverse osmosis treatment device and a clean water tank. The water storage tank is divided into two chambers, one of which is a raw water chamber , the other chamber is the waste water chamber, the raw water chamber is provided with a raw water level controller, and the high point of the raw water level controller is lower than the top of the waste water chamber, and the waste water chamber communicates with the raw water chamber through the overflow channel at the top. The primary filter device is connected to the raw water outlet of the water storage tank through the raw water pipe, the reverse osmosis treatment device is connected in series behind the primary filter device, connected to the clean water tank through its clean water outlet and clean water pipe, and connected to the clean water tank through its waste water outlet and The waste water recovery pipe is connected with the waste water recovery port of the water storage tank. But this type of water dispenser, because the water tank is divided into the raw water chamber and the waste water chamber, the waste water chamber is in the state of full water for a long time to breed bacteria easily and the waste water recycling rate is not high; and the waste water produced by the reverse osmosis treatment device has not been treated Processing and directly returning to the original water tank will affect the service life of the reverse osmosis membrane; and the water can only be fed by connecting the water pipe instead of manually adding water, and the scope of use is limited.

Contents of the invention

The object of the present invention is to provide a water purifier that is not easy to breed bacteria and has a high recycling rate of waste water in consideration of the above problems. The raw water storage device of the present invention can add water automatically and manually at the same time.

The technical solution of the present invention is: the water purifier of the present invention includes a raw water storage device for storing raw water introduced from tap water or an external water source and waste water produced after the raw water is treated by a reverse osmosis treatment device, The water system is pressurized to improve the water treatment efficiency, the primary filter device is used to remove the larger particle impurities, residual chlorine and organic substances in the water, and the smaller substances such as ions, colloids and bacteria in the water are removed The reverse osmosis treatment device, the wastewater recovery pipeline device for returning the wastewater generated by the reverse osmosis treatment device to the raw water storage device, and the purified water generated by the reverse osmosis treatment device for storage for heating And drinking water purification storage device after refrigeration, wherein the raw water storage device is equipped with a raw water inlet and a raw water outlet that can add raw water, and the raw water outlet of the raw water storage device passes through the booster device and the primary filter device and reverse osmosis in turn. The treatment devices are connected in series. The reverse osmosis treatment device is provided with a clean water outlet and a waste water outlet. The purified water treated by the reverse osmosis treatment device is connected to the clean water storage device through the set water purification outlet. It is connected with the hot tank and the hot water faucet and connected with the cold tank and the cold water faucet; the waste water outlet of the reverse osmosis treatment device is connected with the waste water recovery port of the raw water storage device through the waste water recovery pipeline device. the

The above-mentioned raw water storage device is a raw water tank, the booster device is a booster pump, the purified water storage device is a purified water tank, and the waste water recovery pipeline device is a waste water recovery pipe.

The raw water storage device is provided with an upper water level controller and a lower water level controller for controlling the water level.

The raw water inlet of the above-mentioned raw water storage device is connected with the tap water pipe through the water inlet solenoid valve.

The above-mentioned raw water storage device is also provided with a manual water filling port.

The above-mentioned primary filter device includes a PP cotton filter element and an activated carbon filter element connected in series.

The above-mentioned reverse osmosis treatment device is an RO filter element.

The purified water treated by the above-mentioned reverse osmosis treatment device is connected to the water inlet of the post-installed activated carbon filter element for adjusting the pH value and improving the taste through the provided purified water outlet, and the water outlet of the post-installed activated carbon filter element is connected to the inlet of the purified water storage device. Water outlet connection.

The above-mentioned waste water recovery pipeline device is provided with a waste water proportional device that can adjust the size of the waste water flux, increase the ratio of clean water to waste water, and improve the efficiency of clean water production.

A composite water treatment device is also provided between the primary filter device and the reverse osmosis treatment device, or a composite water treatment device is provided between the pressurization device and the primary filter device, or between the PP cotton filter element and the activated carbon filter element of the primary filter device. A composite water treatment device is provided at any position.

The above-mentioned composite water treatment device is a composite filter element, which is composed of softened resin, surface-treated activated carbon and other materials. The softened resin composite filter element can be used to reduce the hardness of wastewater, reduce the damage of calcium and magnesium ions to the RO membrane, and prolong the life of the RO membrane. RO membrane life.

Because the present invention uses the raw water storage device to receive raw water and waste water, the raw waste water is fully mixed and enters the next water production cycle, the raw water storage device is not easy to breed bacteria, and the waste water ratio controller set on the waste water recovery pipeline device makes the water production efficiency and waste water The utilization rate is improved; the water inlet method of the raw water storage device can be connected to the tap water pipeline through the solenoid valve, and the water inlet can be controlled by the solenoid valve. In addition, water can also be added manually. The invention can be used in the kitchen, living room or bedroom, and is not limited by the place At the same time, the wastewater generated by the reverse osmosis treatment device is filtered by the composite filter element and then returned to the raw water storage device, which reduces the concentration of wastewater, reduces the burden on the filtration system during the next water production cycle, and ensures the service life of the filtration system. The invention is a convenient and practical water purifier with reasonable design, simple structure.

Description of drawings

Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention.

Figure 2 is a schematic structural view of Embodiment 2 of the present invention.

Figure 3 is a schematic structural view of Embodiment 3 of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

Example 1:

The structure schematic diagram of the present invention is shown in Figure 1, comprises raw water storage device 1, pressurization device 2, primary filtration device, reverse osmosis treatment device 5, and raw water storage device 1 is provided with manual water inlet 1.1, raw water inlet 1.4 and The raw water outlet 1.2 and the raw water inlet 1.4 are connected to the tap water pipe through the water inlet solenoid valve 6; the raw water storage device 1 is provided with an upper water level controller A and a lower water level controller B for controlling the water level; the raw water passes through the raw water outlet 1.2 and the supercharging device 2 enter the primary filtering device and the reverse osmosis treatment device 5 connected in series after the primary filtering device, the supercharging device 2 is used to provide pressure to the waterway; the primary filtering device includes a PP cotton filter element 3 and an activated carbon filter element connected in series 4. PP cotton filter element 3 is used to remove larger particles of impurities (sediment, rust and larger particles, etc.), activated carbon filter element 4 is used to remove residual chlorine, organic matter and other substances in water; reverse osmosis treatment device 5 is RO filter element, For removing smaller substances in water such as ions, colloids and bacteria, the reverse osmosis treatment device 5 is provided with a clean water outlet 51 and a waste water outlet 52, and the clean water is treated by the post-installed activated carbon filter element 8 at the clean water outlet 52 and stored in the The water purification storage device 7 and the rear activated carbon filter element 8 are used to adjust the pH value and improve the taste. The water purification storage device 7 has two water outlets, one of which is connected to the hot tank 11 and the hot water faucet 13; The waste water recovery port 1.3 of the water tank is connected to each other, and a waste water proportional device 10 is arranged on the waste water recovery pipe. Water production efficiency. In this embodiment, the above-mentioned raw water storage device 1 is a raw water tank, the booster device 2 is a booster pump, the purified water storage device 7 is a purified water tank, and the waste water recovery pipeline device 9 is a waste water recovery pipe.

The working principle of the present invention is as follows:

When the water level in the raw water storage device 1 is lower than point B, the solenoid valve 6 is opened, and tap water flows into the raw water storage device 1 through the solenoid valve 6. When the water level reaches point A, the solenoid valve 6 is closed, and the tap water pipe stops adding water; Or when the raw water storage device 1 is short of water, you can manually add water to the manual water inlet 1.1, and directly pour water into the raw water storage device 1.

When the water level of the clean water storage device 7 is lower than point C, the booster device 2 is started, and the raw water comes out of the raw water storage device 1 and is pressurized by the booster device 2. The reverse osmosis treatment device 5, the purified water filtered by the reverse osmosis treatment device 5 enters the purified water storage device 7 after passing through the post-installed activated carbon filter element to adjust the pH value and the taste of the water. When the water level of the purified water storage device 7 reaches point C, the The pressure device 2 stops working; and the waste water discharged from the reverse osmosis treatment device 5 flows back to the raw water storage device 1 after passing through the waste water proportional controller.

Example 2:

Embodiment 2 On the basis of Embodiment 1, a composite water treatment device (15) is set on the waste water recovery pipeline of the reverse osmosis treatment device 5, and the composite water treatment device 15 is a composite filter element, which is made of softened resin and surface treated The softening resin composite filter element can be used to reduce the hardness of wastewater, reduce the damage of calcium and magnesium ions to the RO membrane, and prolong the life of the RO membrane.

Example 3:

In this embodiment, the composite filter element in Embodiment 2 is arranged between the primary filter device and the reverse osmosis treatment device 5 .

Example 4:

In this embodiment, the installation position of the composite filter element in Embodiment 2 is set between the booster device 2 and the primary filter device.

Example 5:

In this embodiment, the composite filter element in Embodiment 2 is set at any position between the PP cotton filter element 3 and the activated carbon filter element 4 of the primary filter device.

Claims (10)

1. A water purifier, characterized in that it includes a raw water storage device (1) for storing raw water and waste water produced after the raw water is treated by a reverse osmosis treatment device, a booster device (2) for pressurization, a primary Filtration device, reverse osmosis treatment device (5), waste water recovery pipeline device (9) used to return the wastewater generated by the reverse osmosis treatment device to the raw water storage device, used to return the waste water generated by the reverse osmosis treatment device The purified water storage device (7) that stores the purified water for drinking after heating and cooling, wherein the raw water storage device (1) is equipped with a raw water inlet (1.4) and a raw water outlet (1.2) that can add raw water, The raw water outlet (1.2) of the raw water storage device (1) is sequentially connected in series with the reverse osmosis treatment device (5) through the pressurization device (2) and the primary filter device, and the reverse osmosis treatment device (5) is equipped with a clean water outlet ( 51) and waste water outlet (52), the purified water treated by the reverse osmosis treatment device (5) is connected with the purified water storage device (7) through the provided purified water outlet (51), and the two outlets of the purified water storage device (7) The outlet water is connected to the hot tank (11) and the hot water faucet (13) and connected to the cold tank (12) and the cold water faucet (14); the wastewater outlet (52) of the reverse osmosis treatment device (5) passes through the wastewater recovery pipeline The device (9) is connected with the waste water recovery port (1.3) of the raw water storage device (1). 2. The water purifier according to claim 1, characterized in that the raw water storage device (1) is a raw water tank, the booster device (2) is a booster pump, and the purified water storage device (7) is a purified water tank , the waste water recovery pipeline device (9) is a waste water recovery pipe. 3. The water purifier according to claim 1, characterized in that the raw water storage device (1) is provided with an upper water level controller (A) and a lower water level controller (B) for controlling the water level. 4. The water purifier according to claim 1, characterized in that the raw water inlet (1.4) of the raw water storage device (1) is connected to a tap water pipe through a water inlet solenoid valve (6). 5. The water purifier according to claim 1, characterized in that the raw water storage device (1) is also provided with a manual water filling port (1.1). 6. The water purifier according to claim 1, characterized in that the primary filter device includes a PP cotton filter element (3) and an activated carbon filter element (4) connected in series. 7. The water purifier according to claim 1, characterized in that the above-mentioned reverse osmosis treatment device (5) is an RO filter element. 8. The water purifier according to any one of claims 1 to 7, characterized in that the purified water treated by the reverse osmosis treatment device (5) passes through the provided purified water outlet (51) and is used to adjust the pH value 1. The water inlet of the rear activated carbon filter element (8) for improving taste is connected, and the water outlet of the rear activated carbon filter element (8) is connected with the water inlet of the water purification storage device (7). 9. The water purifier according to claim 8, characterized in that the above-mentioned wastewater recovery pipeline device (9) is provided with a size that can adjust the flux of wastewater, increase the ratio of purified water to wastewater, and improve the water purification system. Waste water scaler for water efficiency (10). 10. The water purifier according to claim 9, characterized in that a composite water treatment device (15), or a booster device (2) and a primary A composite water treatment device (15) is provided between the filter devices, or a composite water treatment device (15) is provided at any position between the PP cotton filter element (3) and the activated carbon filter element (4) of the primary filter device.

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