CN202096889U - Water purifier - Google Patents

Abstract

The utility model relates to an automatic cleaning water purifier, the water purifier comprises at least two mutually connected water purification units, and a water purification valve and a sewage valve connected with the water purification units; the water purification unit includes a filter device, and the raw water valve connected to the filter. When filtering, the raw water flows into the filter through the raw water valve, and the filtered water flows out through the water purification valve. During cleaning, the at least two interconnected water purification units are divided into two parts: the first water purification unit and the second water purification unit, which are respectively alternately cleaned: after the raw water is filtered by the first water purification unit, it flows into the second water purification unit. The water unit backwashes the second water purification unit; the raw water flows into the first water purification unit after filtering through the second water purification unit, and backwashes the first water purification unit.

Description

a water purifier

technical field

The utility model relates to a filtering device, in particular to an automatic cleaning water purifier.

technical background

Purified water has been widely used in the purification of drinking water. But general water purifier or can't carry out self-cleaning, or even if can carry out self-cleaning, also only be limited to simple forward flushing, backwash, make water purifier extremely easy to block. However, after the water purifier is blocked, it cannot be easily maintained and cleaned. Professional after-sales service personnel must come to maintain it, perform flushing or chemical cleaning, and restore the water purification flux, which cannot fully satisfy the user's desire for long-term stable operation of the water purifier. Requirements for clean water flux can be restored by simple maintenance cleaning.

So far, this area has not yet developed a water purifier with simple flow, reasonable structure, easy control, various flushings automatically at regular intervals, and automatic chemical cleaning after clogging.

Therefore, there is an urgent need in this area to develop a water purifier that is simple in flow process, reasonable in structure, easy to control, can perform various flushing automatically at regular intervals, and automatically chemically cleans after being blocked.

Contents of the invention

In view of the above problems, the utility model provides a water purifier with novel structure and reasonable technical scheme, which can realize the functions of automatic purification of raw water, automatic timing flushing, automatic cleaning after blockage, etc., and is easy to operate. The water purifier runs stably, and the goal of exempting professional after-sales cleaning and maintenance is achieved.

The technical solution of the utility model is: the water purifier includes at least two water purification units connected to each other, and a water purification valve and a sewage valve connected with the water purification units; the water purification unit includes a filter, and A raw water valve connected to the filter;

When filtering, the raw water flows into the filter through the raw water valve, and the filtered water flows out through the water purification valve;

When cleaning, the at least two interconnected water purification units are divided into two parts: the first water purification unit and the second water purification unit, which are respectively alternately cleaned; the cleaning process is as follows:

Close the water purification valve first, and the raw water flows into the second water purification unit connected with the first water purification unit after being filtered by the first water purification unit, and backwashes the second water purification unit, flushing After that, the sewage is discharged through the drain valve; the raw water is filtered by the second water purification unit, and then flows into the first water purification unit connected with the second water purification unit, and the first water purification unit The unit is backwashed, and after flushing, the sewage is discharged through the drain valve.

The water purifier may further include a controller controller for controlling the water purifier to clean according to a set cleaning method, the controller is electrically connected with the water purification valve, the sewage valve and the raw water valve, through Control the opening and closing of each valve to realize the automatic cleaning of the water purifier.

In order to make the automatic cleaning of the water purifier can be set as required, the controller can further include a setting module for setting the working mode of the water purifier and a timing module for realizing automatic timing cleaning, respectively for setting the water purifier The working mode and the automatic timing cleaning of the water purifier are realized.

For a better cleaning effect, the water purifier may further include an aeration pump for aerating the filter, the aeration pump communicates with the filter, and the gas generated by the aeration pump will disturb the filter The filter membrane in the device can remove the dirt on the filter membrane.

When the filter is blocked due to too much dirt, a cleaning solution with cleaning medicine can be added for soaking and cleaning, so the water purifier can further include a dosing pump for adding cleaning solution to the filter, The dosing pump communicates with the filter to solve the problem of blockage of the water purifier.

The water purifier of the utility model has a simple structure, and can realize automatic purification of raw water and automatic cleaning of the water purifier, and the cleaning effect is also very good.

Description of drawings

Fig. 1 is a system connection diagram of the present utility model;

Fig. 2 is the system connection diagram of alternate cleaning of the utility model;

Fig. 3 is a schematic structural view of a preferred embodiment of the present invention.

Detailed ways

Referring to the system connection diagram shown in Fig. 1, the water purifier of the present utility model comprises a water purification unit 1, and a water purification valve 2 and a drain valve 3 communicated with the water purification unit 1; the water purification unit 1 is at least two and communicate with each other, and each water purification unit 1 includes a filter and a raw water valve connected to the filter.

When the water purifier filters the raw water, since each water purification unit 1 is connected to the raw water through the raw water valve, each water purification unit 1 is connected in parallel, and the raw water is filtered through each water purification unit 1 at the same time. The purified water flows out through the water purification valve 2 to complete the filtering function.

When cleaning, the at least two interconnected water purification units are divided into two parts: the first water purification unit and the second water purification unit, which are respectively alternately cleaned; the cleaning method is as follows:

When the water purifier needs to be cleaned, the at least two interconnected water purification units 1 are divided into two independent working parts: the first water purification unit 11 and the second water purification unit 12, which alternately clean respectively; 2. The cleaning process is as follows:

First close the clean water valve 2, the sewage valve 3 and the raw water valve 121, open the raw water valve 111, the raw water enters the filter 112 through the raw water valve 111, and after filtering, flows into the second clean water communicated with the first water purification unit 11 In the filter 122 of the unit 12, the second water purification unit 12 is backwashed. After the flushing is completed, open the drain valve 3 to discharge the sewage.

Then perform alternate cleaning: close the water purification valve 2, the sewage valve 3 and the raw water valve 111, open the raw water valve 121, the raw water enters the filter 122 through the raw water valve 121, and flows into the filter 112 of the first water purification unit 11 after being filtered Inside, the first water purification unit 11 is backwashed. After the flushing is completed, open the drain valve 3 to discharge the sewage.

Fig. 3 is a preferred embodiment of the present utility model, in this embodiment, the described water purification unit 1 includes two filter cores, respectively as filter 112 and filter 122, and the water inlet valves connected thereto are respectively used as raw water valves 111 and raw water valve 121. The raw water of the water purifier enters the water purifier from A, is filtered by the filter 112 and the filter 122, and flows out of the purified water through B.

In this embodiment, the water purifier includes a controller 4 that is electrically connected to the water purification valve 2, the sewage valve 3 and other valves, and is used to control the action of each component in a set order. to achieve the automatic cleaning effect described above.

In order to make the automatic cleaning of the water purifier can be set to different modes according to needs, the controller 4 can further include a setting module for setting the working mode of the water purifier and a timing module for realizing automatic timing cleaning, respectively for Set the working mode of the water purifier and realize automatic timing cleaning of the water purifier.

The water purifier of this embodiment also includes an aeration pump 5, and the aeration pump 5 communicates with the filter 112 and the filter 122 in the water purification unit 1, and the gas generated by the aeration pump 5 disturbs the filter. The filter membrane in the device can remove the dirt on the filter membrane. The aeration pump 5 can be air pumps such as air pumps, oxygen pumps, vortex air pumps, micro air pumps or electric air pumps.

When the filter was blocked due to too much dirt, the cleaning solution with cleaning medicine could be added to soak and clean, so the preferred embodiment of Fig. 3 also includes a dosing pump 6 communicated with the filter 112 and the filter 122 , for adding cleaning liquid to the filter 112 and the filter 122 to solve the clogging problem of the water purifier. The dosing pump 6 can be a metering pump, a centrifugal pump or a self-priming pump, etc.

The water purifier of this preferred embodiment also includes a cleaning liquid container 7, which is used to place the pre-configured cleaning liquid. When needed, it is directly sucked into the water purification unit 1 through the dosing pump 7. The cleaning solution container 7 can be made of plastic or stainless steel.

The working mode of the filter membrane in the filter can be internal pressure type or external pressure type; the type of filter membrane can be ultrafiltration membrane or microfiltration membrane; its shape can be that the filter membrane is hollow fiber type, tube type, flat plate , rolled or folded.

The water purification valve 2, the sewage valve 3, the raw water valve 111 and the raw water valve 121 are manual valves, electric valves or solenoid valves.

The work process of the preferred embodiment of the present utility model is described in detail as follows:

During normal water purification, raw water valve 111, raw water valve 121, purified water valve 2 are opened, exhaust valve 9, blowdown valve 31, blowdown valve 32 are closed, aeration pump 5, dosing pump 6 do not start. The raw water enters the filter 112 and the filter 121 respectively through the raw water valve 111 and the raw water valve 121 , and the filtered purified water flows out through the purified water valve 2 .

When flushing, raw water valve 111, raw water valve 121, blowdown valve 31 and blowdown valve 32 are opened, exhaust valve 9 and clean water valve 2 are closed, and aeration pump 5 and dosing pump 6 do not start. The raw water enters the filter 112 and the filter 121 through the raw water valve 111 and the raw water valve 121 respectively, and flows out through the drain valve 31 and the drain valve 32 after positive flushing of the filter 112 and the filter 121 .

During mutual backwashing, the filter 112 is backwashed: the raw water valve 121 and the sewage valve 31 are opened, the raw water valve 111, the exhaust valve 9, the water purification valve 2, and the sewage valve 32 are closed, and the aeration pump 5 and the dosing valve are closed. Pump 6 does not start. The raw water enters the filter 122 through the raw water valve 121 , and the filtered purified water enters the filter 112 to backwash the filter 112 . After backwashing, the sewage flows out through the sewage valve 31 .

When backwashing each other, the filter 122 is backwashed: the raw water valve 111 and the sewage valve 32 are opened, the raw water valve 121, the exhaust valve 9, the water purification valve 2, and the sewage valve 31 are closed, and the aeration pump 5 and the dosing valve are closed. Pump 6 does not start. The raw water enters the filter 112 through the raw water valve 111 , and the filtered purified water enters the filter 122 to backwash the filter 122 , and the sewage flows out through the sewage valve 32 after backwashing.

Positive flushing and mutual backflushing are controlled by the controller 4, can be automatically completed at regular intervals, and can be cycled multiple times, and can also be carried out at any time according to the actual situation of use.

When cleaning with medicine, the configured cleaning solution is put into the cleaning solution container 7 in advance, and the automatic cleaning process includes draining, adding medicine, soaking, aeration, positive flushing, and mutual backwashing.

Drainage: raw water valve 111, raw water valve 121, water purification valve 2 closed, exhaust valve 9, sewage valve 31, sewage valve 32 opened, aeration pump 5, dosing pump 6 not started, filter 112, filter 122 The internal memory water is discharged respectively through the sewage valve 31 and the sewage valve 32.

After the filter 112 and the filter 122 are drained, dosing: the raw water valve 111, the raw water valve 121, the water purification valve 2, the sewage valve 31, the sewage valve 32 are closed, the exhaust valve 9 is opened, and the dosing pump 6 Start, the aeration pump 5 does not start. The cleaning solution in the cleaning solution container 7 is sucked into the filter 112 and the filter 122 .

After dosing finishes, soak: raw water valve 111, raw water valve 121, clean water valve 2, sewage valve 31, sewage valve 32 are closed, exhaust valve 9 is opened, aeration pump 5, dosing pump 6 does not start.

After soaking, aeration: raw water valve 111, raw water valve 121, water purification valve 2, sewage valve 31, sewage valve 32 are closed, exhaust valve 9 is opened, aeration pump 5 starts, and dosing pump 6 does not start. The filter 112 and the filter 122 are aerated.

After the aeration is completed, perform positive flushing and reverse flushing according to the described steps.

The automatic dosing cleaning is controlled by the controller 4 and is automatically completed, and can be cycled multiple times, and can also be performed at any time according to the actual situation of use.

The utility model generally takes tap water as the raw water source. However, a booster pump is set before the raw water valve, which can also be used for the purification of surface water such as ponds, creeks, lakes, and rivers.

The utility model provides an automatic cleaning water purifier and filtering equipment including the automatic cleaning water purifier, with novel structure and reasonable technical scheme. It can realize the functions of automatic purification of raw water by the water purifier, automatic timing flushing, and automatic cleaning after adding medicine after blockage. .

Claims (10)

1. A water purifier, characterized in that: the water purifier comprises at least two water purification units communicated with each other, and a water purification valve and a drain valve communicated with the water purification units; The water purification unit includes a filter, and a raw water valve connected to the filter; When filtering, the raw water flows into the filter through the raw water valve, and the filtered water flows out through the water purification valve; When cleaning, the at least two interconnected water purification units are divided into two parts: the first water purification unit and the second water purification unit, which are respectively alternately cleaned; Close the water purification valve first, and the raw water flows into the second water purification unit connected with the first water purification unit after being filtered by the first water purification unit, and backwashes the second water purification unit, flushing Afterwards, the sewage is discharged through the drain valve; After the raw water is filtered through the second water purification unit, it flows into the first water purification unit connected with the second water purification unit, and the first water purification unit is backwashed. The drain valve mentioned above discharges the sewage. 2. The water purifier according to claim 1, characterized in that: the water purifier further comprises a controller for controlling the water purifier to clean according to the set cleaning method, the controller and the The water purification valve, the sewage valve and the raw water valve are electrically connected to realize automatic cleaning of the water purifier. 3. The water purifier according to claim 1, wherein the water purifier further comprises an aeration pump for aerating the filter, and the aeration pump communicates with the filter . 4. The water purifier according to claim 3, wherein the aeration pump is an air pump, an oxygen pump, a vortex air pump, a micro air pump or an electric air pump. 5. The water purifier according to claim 1, characterized in that: the water purifier further comprises a dosing pump for adding cleaning fluid to the filter, and the dosing pump is connected to the filter connected. 6. The water purifier according to claim 5, wherein the dosing pump is a metering pump, a centrifugal pump or a self-priming pump. 7. The water purifier according to claim 6, characterized in that: the water purifier further comprises a cleaning liquid container, the cleaning liquid is stored in the cleaning liquid container, and is added to the inside the filter. 8. The water purifier according to claim 1, characterized in that: said filter has internal pressure or external pressure filter membrane. 9. The water purifier according to claim 8, wherein the filter membrane is an ultrafiltration membrane or a microfiltration membrane. 10. The water purifier according to claim 8, characterized in that: the filter membrane is of hollow fiber type, tube type, flat type, roll type or folded type.

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