CN217829179U - Circulating filtration's water purification system - Google Patents
Circulating filtration's water purification system Download PDFInfo
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- CN217829179U CN217829179U CN202221765526.5U CN202221765526U CN217829179U CN 217829179 U CN217829179 U CN 217829179U CN 202221765526 U CN202221765526 U CN 202221765526U CN 217829179 U CN217829179 U CN 217829179U
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Abstract
The utility model discloses a loop filter's water purification system forms the loop filter pipeline through setting up the return water pipeline on the main line, is equipped with water pump, filter core and water purification case in the loop filter pipeline for single filter core can realize the repeated filtration to the water purification under the effect of water pump, solves the problem that single-stage filtration is insufficient and multiple stage filtration occupies the volume, experiences with the use that promotes the user.
Description
Technical Field
The utility model relates to a water purification system technical field, concretely relates to loop filter's water purification system.
Background
The water purifier is water treatment equipment for performing deep filtration and purification treatment on water according to the use requirement of the water. The core technology is the filter element of the water purifier, the filter element can effectively filter rust, sand and stone, colloid in water and adsorb chemical agents such as residual chlorine, peculiar smell, heterochrosis and pesticide in water, and the filter element is beneficial to human health.
The filter core of traditional colating purifier can only realize once filtering will directly reach the water purification export, because water is not fully filtered, lead to the taste of water relatively poor, consequently appeared being equipped with multistage filter core's purifier, it can realize the depth filtration, but because the quantity of filter core increases, lead to the purifier bulky, installation and use are all very inconvenient, influence user's use and experience.
SUMMERY OF THE UTILITY MODEL
In view of the above analysis, the present invention provides a water purification system with circulating filtration to solve the deficiencies of the prior art.
The utility model discloses mainly realize through following technical scheme:
the utility model provides a water purification system with circulating filtration, which comprises a main pipeline, wherein a water inlet source, a water pump unit, a filter element and a water purification tank are arranged on the main pipeline, and the water purification tank is communicated with a water supply port; the water purification system comprises a water purification tank, a water pump unit and a water purification system, wherein the water purification tank is provided with a water inlet port and a water outlet port, the water inlet port is connected with a water outlet end of the water purification tank, the water outlet end of the water purification tank is connected with a water outlet end of the water purification tank, the water inlet port is connected with a main pipeline, the water outlet end of the water return pipeline is connected with a first end part of a filter element and the main pipeline between water inlet sources to form a circulating filtration pipeline with the main pipeline, and the circulating filtration pipeline is provided with the water pump.
Through set up the return water pipeline on main line and form the loop filter pipeline, be equipped with water pump, filter core and water purification case in the loop filter pipeline for single filter core can realize the repeated filtration to the water purification under the effect of water pump.
The water pump unit comprises a first water pump and a second water pump, the first water pump is arranged between a water inlet source and the first end of the filter element, the second water pump is arranged at the water outlet end of the purified water tank, a purified water electromagnetic valve is arranged between the second water pump and the water supply port, and the first water pump or the second water pump is positioned on the circulating filter pipeline.
Furthermore, the water inlet end of the backflow electromagnetic valve is connected with the water outlet end of the second water pump, and the water outlet end of the backflow electromagnetic valve is connected with the water outlet end of the first water pump;
or a first electromagnetic valve is arranged between the water inlet end of the first water pump and the water inlet source, the water inlet end of the backflow electromagnetic valve is connected with the water inlet end of the second water pump, and the water outlet end of the backflow electromagnetic valve is connected with the water inlet end of the first water pump.
Furthermore, the water inlet source is former water tank, still includes first flushing pipe and second flushing pipe, be equipped with the raw water solenoid valve between the second tip of filter core and the water purification case, the main line connection between the end of intaking of first flushing pipe and second water pump, water purification solenoid valve, perhaps with the return water pipe connection of backward flow solenoid valve intake end, the water outlet end of first flushing pipe is connected with the main line between filter core, the raw water solenoid valve, the second flushing pipe's the end of intaking is connected with the first tip of filter core, the main line between the first water pump, the second flushing pipe's the end of intaking is connected with the end of former water tank, be equipped with the first solenoid valve that washes on the first flushing pipe, it washes the solenoid valve to be equipped with the second on the second flushing pipe.
Further, the water pump unit includes first water pump, be equipped with the second solenoid valve between the second tip of filter core and the water purification case, first water pump sets up between the first tip of water inlet source and first filter core, the second tip of filter core passes through the water purification solenoid valve and is connected with the water supply port, the play water end of backward flow solenoid valve is connected with the end of intaking of first water pump, the end of intaking of backward flow solenoid valve is connected with the play water end of water purification case.
Further, a raw water electromagnetic valve is arranged between the water inlet source and the first water pump.
Furthermore, the water inlet source is a raw water tank, and further comprises a first flushing pipeline and a second flushing pipeline, a third electromagnetic valve is arranged between the first water pump and the first end of the filter element, the water inlet end of the first flushing pipeline is connected with the water outlet end of the first water pump, the water outlet end of the first flushing pipeline is connected with the second end of the filter element, a first flushing electromagnetic valve is arranged on the first flushing pipeline, the water inlet end of the second flushing pipeline is connected with the first end of the filter element, the water outlet end of the second flushing pipeline is connected with the water inlet end of the raw water tank, and a second flushing electromagnetic valve is arranged on the second flushing pipeline.
Furthermore, a first one-way valve is arranged between the second flushing electromagnetic valve and the first end part of the filter element.
Furthermore, a second one-way valve is arranged on the water return pipeline and is arranged between the return electromagnetic valve and the water inlet end of the water return pipeline.
Furthermore, the water inlet end of the first water pump is provided with a third one-way valve.
Compared with the prior art the utility model discloses technical scheme's beneficial effect does:
1. the utility model provides a water purification system with circulating filtration, which realizes the repeated filtration of purified water through at least one water pump and one filter element, solves the problem of insufficient single-stage filtration, and improves the taste of the purified water; and the problem that the existing multistage filtering is large in size is solved, so that the use experience of a user is improved.
2. Through setting up the pipeline that washes, can be to the back flush of filter core, the life of extension filter core guarantees the filtration quality of water purification.
3. Simple structure adopts and exempts from the installation design, and the suitability is stronger.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment 1 of a circulation-filtration water purification system provided by the embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment 2 of a circulation-filtration water purification system provided by the embodiment of the present invention;
fig. 3 is a schematic structural diagram of an embodiment 3 of a water purification system with circulation filtration according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an embodiment 4 of a water purification system with circulation filtration according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an embodiment 5 of a water purification system with circulation filtration according to an embodiment of the present invention.
The reference numbers are as follows:
1. the main line, 2, the filter core, 3, the water purification case, 4, the water supply inlet, 5, the return water pipeline, 6, the backward flow solenoid valve, 7, first water pump, 8, the second water pump, 9, the water purification solenoid valve, 10, first solenoid valve, 11, former water tank, 121, first washing pipeline, 122, the second washes the pipeline, 13, former water solenoid valve, 14, first washing solenoid valve, 15, the second washes the solenoid valve, 16, the second solenoid valve, 17, first washing pipeline, 18, the second washes the pipeline, 19, the third solenoid valve, 20, first check valve, 21, the second check valve, 22, the third check valve, 23, liquid level switch, 24, the flowmeter.
Detailed Description
In order to better understand the invention for those skilled in the art and to define the scope of the invention more clearly, the invention will be described in detail below with respect to certain specific embodiments of the invention. It should be noted that the following description is only a few examples of the present invention, and the specific and direct descriptions of the related structures are only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of the present invention. Conventional alternatives and substitutions made by those skilled in the art in light of the teachings of the present disclosure should be considered as within the scope of the present disclosure.
The invention will be further explained with reference to the drawings and the specific embodiments.
Example 1
As shown in figure 1, the utility model provides a loop filter's water purification system, including main line 1 and return water pipeline 5, be provided with water inlet source, water pump unit, filter core 2, water purification case 3 on the main line 1, water purification case 3 intercommunication supply port 4. The water pump unit comprises at least one water pump, a return water pipeline 5 is provided with a return electromagnetic valve 6, the water inlet end of the return water pipeline 5 is connected with the water outlet end of the water purifying tank 3 and the main pipeline 1 between the water supply ports 4, the water outlet end of the return water pipeline 5 is connected with the first end part of the filter element 2 and the main pipeline 1 between the water inlet sources so as to form a circulating filter pipeline with the main pipeline 1, and the circulating filter pipeline is provided with a water pump.
The water pump unit comprises two water pumps, specifically a first water pump 7 and a second water pump 8, the first water pump 7 is arranged between a water inlet source and the first end part of the filter element 2, the water outlet end of the water return pipeline 5 is connected with the main pipeline 1 between the first water pump 7 and the filter element 2, the water outlet end of the water return electromagnetic valve 6 is connected with the water outlet end of the first water pump 7, and a flow meter 24 is arranged between the water outlet end of the water return pipeline 5 and the first end part of the filter element 2. The flowmeter 24 is arranged and used for counting the water flow so as to calculate the service life of the filter element 2, and after the service life is set, the service life alarm is carried out, so that the filter element 2 is convenient to replace in time.
The water inlet source is a raw water tank 11, and a third one-way valve 22 is arranged between the raw water tank 11 and the water inlet end of the first water pump 7. Therefore, water can only flow into the first water pump 7 from the raw water tank 11, but cannot flow back to the raw water tank 11 from the first water pump 7, and the backflow water is prevented from flowing back into the raw water tank 11 before being filtered by the filter element 2.
In this embodiment, the clean water tank 3 and the raw water tank 11 are provided with liquid level switches 23, respectively.
The second water pump 8 is arranged at the water outlet end of the purified water tank 3, a purified water electromagnetic valve 9 is arranged between the second water pump 8 and the water supply port 4, and the water inlet end of the backflow electromagnetic valve 6 is connected with the water outlet end of the second water pump 8. The water return pipeline 5 is also provided with a second one-way valve 21, the second one-way valve 21 is arranged between the return electromagnetic valve 6 and the water inlet end of the water return pipeline 5, and the second water pump 8 is positioned on the circulating filter pipeline. The end of intaking of second check valve 21 is connected with main line 1 between second water pump 8, the water purification solenoid valve 9, avoids first water pump 7 during operation, and water is direct to get into water purification case 3 from second water pump 8 through return water pipeline 5.
The flowmeter 24, the filter element 2, the water purification tank 3, the second water pump 8 on the main pipeline 1, the second one-way valve 21 on the water return pipeline 5 and the return electromagnetic valve 6 form a circulating filter pipeline. The first water pump 7, the second water pump 8 and the electromagnetic valve are controlled through the controller, and the main pipeline 1, the water return pipeline 5 are switched on and off, and whether water is supplied to the water supply port 4 is achieved.
The raw water tank 11 splendid attire raw water, when opening the water purification system switch, first water pump 7, second water pump 8 start, go into filter core 2 through third check valve 22, the pump 7 pump of the water in the raw water tank 11, get rid of the pollutant of aquatic, the water purification flows out from the 2 delivery ports of filter core, gets into water purification case 3. The produced purified water is pumped out by a second water pump 8 and is supplied to users after passing through a purified water electromagnetic valve 9.
When the liquid level switch 23 in the original water tank 11 or the purified water tank 3 is lower than a certain height, the water purification system gives an alarm to prompt that the liquid level is insufficient and remind a user of supplementing the original water. When water is added to a certain height, the liquid level switch 23 detects that the water storage capacity meets the water taking requirement, and the water purification system works normally. When the purified water tank 3 is full of water, the first water pump 7 stops working, the second water pump 8 and the backflow electromagnetic valve 6 are opened, the purified water electromagnetic valve 9 is closed, the second water pump 8 pumps the purified water in the purified water tank 3 into the return water pipeline 5, the purified water enters the filter element 2 through the second check valve 21 and the backflow electromagnetic valve 6, the filtered purified water enters the purified water tank 3 again, and the corresponding cycle number can be set to realize multiple times of filtering.
When a user takes water, the second water pump 8 and the purified water electromagnetic valve 9 are opened, the other electromagnetic valves are closed, and the purified water flows through the second water pump 8 and the purified water electromagnetic valve 9 and then flows out from the water supply port 4. The in-process of water purification backward flow, when the user gets the water, switch to the water intaking mode.
Example 2
As shown in fig. 2, the utility model provides a pair of loop filter's water purification system, first water pump 7 is located the loop filter pipeline, the end of intaking of backward flow solenoid valve 6 is connected with the end of intaking of second water pump 8, the play water end of backward flow solenoid valve 6 is connected with the end of intaking of first water pump 7, be equipped with first solenoid valve 10 between the end of intaking of first water pump 7 and the former water tank 11, second check valve 21 sets up between the end of intaking of backward flow solenoid valve 6 and the end of intaking of second water pump 8, flowmeter 24 sets up between first water pump 7 and filter core 2.
In this embodiment, the third check valve 22 is disposed between the first electromagnetic valve 10 and the first water pump 7. A first electromagnetic valve 10 is added to adjust the positions of the water inlet end and the water outlet end of the water return pipeline 5, so that the first water pump 7 filters water, and the second water pump 8 supplies water to a user.
And a circulating filtering pipeline is formed by the first water pump 7, the flowmeter 24, the filter element 2, the purified water tank 3 on the main pipeline 1, the second one-way valve 21 on the water return pipeline 5 and the return electromagnetic valve 6.
When the switch of the water purification system is turned on, the first water pump 7 and the second water pump 8 are started, water in the original water tank 11 is pumped into the filter element 2 through the first electromagnetic valve 10, the third one-way valve 22 and the first water pump 7, pollutants in the water are removed, and purified water flows out from the water outlet of the filter element 2 and enters the purified water tank 3. The produced purified water is pumped out by a second water pump 8 and is supplied to users after passing through a purified water electromagnetic valve 9.
After 3 water in the water purification case is full, first water pump 7, backward flow solenoid valve 6 are opened, and first solenoid valve 10, second water pump 8, water purification solenoid valve 9 are closed, and first water pump 7 is with the water purification suction return water pipeline 5 in the water purification case 3, through second check valve 21, backward flow solenoid valve 6, first water pump 7 pump income filter core 2 after, filterable water purification reentrant water purification case 3 in, corresponding cycle number can be set for, realize filtration many times. When a user takes water, the second water pump 8 and the purified water electromagnetic valve 9 are opened, the other electromagnetic valves are closed, and the purified water flows through the second water pump 8 and the purified water electromagnetic valve 9 and then flows out from the water supply port 4. The in-process of water purification backward flow, when the user gets the water, switch to the water intaking mode.
Example 3
As shown in fig. 3, the utility model provides a pair of loop filter's water purification system, still include first flushing pipe 121 and second flushing pipe 122, be equipped with raw water solenoid valve 13 between the second tip of filter core 2 and the water purification case 3, the end of intaking of first flushing pipe 121 is connected with return water pipeline 5 of the 6 intake ends of backward flow solenoid valve, the water outlet end and the filter core 2 of first flushing pipe 121, main line 1 between raw water solenoid valve 13 is connected, the second flushes the first tip of the intake end and filter core 2 of pipeline 122, main line 1 between the first water pump 7 is connected, the water outlet end and the water inlet end of raw water case 11 of second flushing pipe 122 are connected, be equipped with first flushing solenoid valve 14 on the first flushing pipe 121, it washes 15 to be equipped with the second on the second flushing pipe 122. And a flushing pipeline is added to realize the back flushing of the filter element 2.
In this embodiment, the second check valve 21 is disposed between the first flush solenoid valve 14 and the water outlet of the second water pump 8. The flowmeter 24 is arranged on the main pipeline 1 between the water outlet end of the water return pipeline 5 and the filter element 2.
Without being limited to the above configuration, the water inlet end of the first flushing pipe 121 may be connected to the main pipe 1 between the second water pump 8 and the clean water solenoid valve 9, and a second check valve 21 may be additionally provided between the first flushing solenoid valve 14 and the water inlet end of the first flushing pipe 121.
The flowmeter 24, the filter element 2, the raw water electromagnetic valve 13, the purified water tank 3, the second water pump 8 on the main pipeline 1, the second one-way valve 21 on the return water pipeline 5 and the return electromagnetic valve 6 form a circulating filtration pipeline.
When the filter element 2 is used for a certain time, the filter element 2 is backwashed, the second water pump 8, the first flushing electromagnetic valve 14 and the second flushing electromagnetic valve 15 are opened, the other electromagnetic valves are closed, the second water pump 8 pumps the purified water in the purified water tank 3 into the water return pipeline 5 and the flushing pipeline, the purified water enters the inner side of the filter element 2 through the second one-way valve 21 and the first flushing electromagnetic valve 14, pollutants are flushed away from the surface of the filter element 2 and then enter the original water tank 11 through the flow meter 24 and the second flushing electromagnetic valve 15, and after the purified water is flushed for a certain time, a user discharges the water in the original water tank 11 after the purified water is flushed.
Example 4
As shown in fig. 4, the utility model provides a pair of loop filter's water purification system, the water pump unit includes a water pump, specifically be first water pump 7, be equipped with second solenoid valve 16 between the second tip of filter core 2 and the water purification case 3, first water pump 7 sets up between the first tip of water inlet source and first filter core 2, the second tip of filter core 2 passes through water purification solenoid valve 9 and is connected with feed water inlet 4, the end of intaking of backward flow solenoid valve 6 is connected with the end of intaking of first water pump 7, the end of intaking of backward flow solenoid valve 6 is connected with the water outlet end of water purification case 3, second check valve 21 sets up between the end of intaking of backward flow solenoid valve 6 and the delivery port of water purification case 3.
In this embodiment, the water inlet source is the raw water tank 11, the raw water electromagnetic valve 13 is arranged between the raw water tank 11 and the first water pump 7, the first check valve 22 is arranged between the raw water electromagnetic valve 13 and the first water pump 7, and the raw water tank 11 and the purified water tank 3 are provided with the liquid level switch 23. A flow meter 24 is arranged on the main conduit 1 between the first water pump 7 and the filter element 2. The water flow counting device is used for counting the water flow, calculating the service life of the filter element, alarming the service life after the set service life is reached, and facilitating the timely replacement of the filter element 2.
The first water pump 7, the flowmeter 24, the filter element 2, the second electromagnetic valve 16, the purified water tank 3 on the main pipeline 1, the second one-way valve 21 on the return pipeline 5 and the return electromagnetic valve 6 form a circulating filtering pipeline. The functions of preparing purified water, supplying water and filtering for many times by a single water pump are realized.
The raw water is contained in the raw water tank 11, when the switch of the water purification system is turned on, the first water pump 7 is started, water in the raw water tank 11 is pumped into the filter element 2 through the raw water electromagnetic valve 13, the first one-way valve 22 and the first water pump 7, pollutants in the water are removed, and purified water flows out of the water outlet of the filter element 2 and enters the water purification tank 3 through the second electromagnetic valve 16.
When the liquid level switch 23 in the original water tank 11 or the purified water tank 3 is lower than a certain height, the water purification system gives an alarm to prompt that the liquid level is insufficient and remind a user of replenishing the raw water. When water is added to a certain height, the liquid level switch 23 detects that the water storage capacity meets the water taking requirement, and the water purification system works normally. When the purified water tank 3 is full of water, the first water pump 7, the backflow electromagnetic valve 6 and the second electromagnetic valve 16 are opened, the other electromagnetic valves are closed, the purified water in the purified water tank 3 is pumped into the water return pipeline 5 by the first water pump 7, and after entering the filter element 2 through the second check valve 21, the backflow electromagnetic valve 6 and the first water pump 7, the filtered purified water enters the purified water tank 3 again, so that the corresponding cycle times can be set, and multiple filtration is realized.
When a user takes water, the first water pump 7, the backflow electromagnetic valve 6 and the purified water electromagnetic valve 9 are opened, the other electromagnetic valves are closed, and purified water flows into the filter element 2 through the second check valve 21, the backflow electromagnetic valve 6 and the first water pump 7 and then flows out of the water supply port 4 after passing through the purified water electromagnetic valve 9. And in the process of water backflow, when a user takes water, the water taking mode is switched.
Example 5
As shown in fig. 5, the utility model provides a pair of loop filter's water purification system, still include first washing pipeline 17 and second washing pipeline 18, be equipped with third solenoid valve 19 between the first end of first water pump 7 and filter core 2, the end of intaking of first washing pipeline 17 is connected with the play water end of first water pump 7, the play water end of first washing pipeline 17 is connected with the second end of filter core 2, be equipped with first washing solenoid valve 14 on the first washing pipeline 17, the end of intaking of second washing pipeline 18 and the first end of filter core 2 are connected, the play water end of second washing pipeline 18 is connected with the end of intaking of former water tank 11, be equipped with second washing solenoid valve 15 on the second washing pipeline 18. And a flushing pipeline is added to realize the back flushing of the filter element 2.
In this embodiment, a raw water solenoid valve 13 is disposed between the raw water tank 11 and the first water pump 7, and a first check valve 22 is disposed between the raw water solenoid valve 13 and the first water pump 7. A first non-return valve 20 is optionally arranged between the second flushing solenoid valve 15 and the first end of the filter insert 2, a flow meter 24 is arranged on the main line 1 between the third solenoid valve 19 and the filter insert 2, a second solenoid valve 16 is arranged between the second end of the filter insert 2 and the clean water tank 3, and a second non-return valve 21 is arranged between the return solenoid valve 6 and the water outlet of the clean water tank 3.
The first water pump 7, the third electromagnetic valve 19, the flowmeter 24, the filter element 2, the second electromagnetic valve 16, the purified water tank 3 on the main pipeline 1, the second one-way valve 21 on the return pipeline 5 and the return electromagnetic valve 6 form a circulating filtering pipeline.
When the filter element 2 is used for a certain time, the filter element 2 is backwashed, the first water pump 7, the return electromagnetic valve 6, the first flushing electromagnetic valve 14 and the second flushing electromagnetic valve 15 are opened, other electromagnetic valves are closed, the purified water in the purified water tank 3 is pumped into the first flushing pipeline 17 and the second flushing pipeline 18 from the water return pipeline 5 by the first water pump 7, the purified water enters the inner side of the filter element 2 through the second one-way valve 21, the return electromagnetic valve 6, the first water pump 7 and the first flushing electromagnetic valve 14, pollutants are flushed away from the surface of the filter element 2, and then the purified water enters the raw water tank 11 through the first one-way valve 20 and the second flushing electromagnetic valve 15, and after the purified water is flushed for a certain time, a user discharges the water in the raw water tank 3 after the purified water is flushed.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A water purification system with circulating filtration comprises a main pipeline (1), wherein a water inlet source, a water pump unit, a filter element (2) and a purified water tank (3) are arranged on the main pipeline (1), and the purified water tank (3) is communicated with a water supply port (4); the method is characterized in that: the water pump unit comprises at least one water pump, the water purification system further comprises a water return pipeline (5), a backflow electromagnetic valve (6) is arranged on the water return pipeline (5), the water inlet end of the water return pipeline (5) is connected with a main pipeline (1) between the water outlet end of the water purification tank (3) and the water supply port (4), the water outlet end of the water return pipeline (5) is connected with the first end part of the filter element (2) and the main pipeline (1) between the water inlet source to form a circulating filter pipeline with the main pipeline (1), and a water pump is arranged on the circulating filter pipeline.
2. The loop filtration water purification system of claim 1, wherein: the water pump unit comprises a first water pump (7) and a second water pump (8), wherein the first water pump (7) is arranged between a water inlet source and a first end part of the filter element (2), the second water pump (8) is arranged at a water outlet end of the water purifying tank (3), a water purifying electromagnetic valve (9) is arranged between the second water pump (8) and the water supply port (4), and the first water pump (7) or the second water pump (8) is positioned on the circulating filter pipeline.
3. The loop filtration water purification system of claim 2, wherein: the water inlet end of the reflux electromagnetic valve (6) is connected with the water outlet end of the second water pump (8), and the water outlet end of the reflux electromagnetic valve (6) is connected with the water outlet end of the first water pump (7);
or a first electromagnetic valve (10) is arranged between the water inlet end of the first water pump (7) and the water inlet source, the water inlet end of the backflow electromagnetic valve (6) is connected with the water inlet end of the second water pump (8), and the water outlet end of the backflow electromagnetic valve (6) is connected with the water inlet end of the first water pump (7).
4. The recirculation-filtration water purification system of claim 2, wherein: the water inlet source is former water tank (11), still includes first flushing pipe way (121) and second flushing pipe way (122), be equipped with raw water solenoid valve (13) between second tip and the water purification case (3) of filter core (2), the main line (1) between the end of intaking and second water pump (8), water purification solenoid valve (9) of first flushing pipe way (121) is connected, perhaps is connected with return water pipeline (5) of backward flow solenoid valve (6) end of intaking, the main line (1) between the end of intaking and filter core (2), raw water solenoid valve (13) of first flushing pipe way (121) is connected, the second is washed the end of intaking and the first end of filter core (2) of pipeline (122), main line (1) between first water pump (7) and is connected, the end of intaking and the end of former water tank (11) of second flushing pipe way (122) is connected, be equipped with first flushing pipe way (14) on the first flushing pipe way (121), it washes solenoid valve (15) to be equipped with the second on the second flushing pipe way (122).
5. The loop filtration water purification system of claim 1, wherein: the water pump unit comprises a first water pump (7), a second electromagnetic valve (16) is arranged between the second end of the filter element (2) and the water purification tank (3), the first water pump (7) is arranged between the water inlet source and the first end of the first filter element (2), the second end of the filter element (2) is connected with the water supply port (4) through a water purification electromagnetic valve (9), the water outlet end of the backflow electromagnetic valve (6) is connected with the water inlet end of the first water pump (7), and the water inlet end of the backflow electromagnetic valve (6) is connected with the water outlet end of the water purification tank (3).
6. The loop filtration water purification system of claim 5, wherein: a raw water electromagnetic valve (13) is arranged between the water inlet source and the first water pump (7).
7. The recirculation-filtration water purification system of claim 5, wherein: the water inlet source is former water tank (11), still includes first flushing line (17) and second flushing line (18), be equipped with third solenoid valve (19) between the first tip of first water pump (7) and filter core (2), the end of intaking of first flushing line (17) is connected with the play water end of first water pump (7), the play water end of first flushing line (17) is connected with the second tip of filter core (2), be equipped with first flushing solenoid valve (14) on first flushing line (17), the end of intaking of second flushing line (18) is connected with the first tip of filter core (2), the second flushes the play water end of line (18) and is connected with the end of intaking of former water tank (11), it flushes solenoid valve (15) to be equipped with the second on second flushing line (18).
8. The loop filtration water purification system of claim 7, wherein: a first one-way valve (20) is arranged between the second flushing electromagnetic valve (15) and the first end part of the filter element (2).
9. A loop-filtration water purification system as claimed in any one of claims 2 to 8, wherein: be equipped with second check valve (21) on return water pipeline (5), second check valve (21) set up between return current solenoid valve (6) and return water pipeline (5) the end of intaking.
10. A loop-filtration water purification system according to any one of claims 2-8, wherein: and a third one-way valve (22) is arranged at the water inlet end of the first water pump (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221765526.5U CN217829179U (en) | 2022-07-06 | 2022-07-06 | Circulating filtration's water purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221765526.5U CN217829179U (en) | 2022-07-06 | 2022-07-06 | Circulating filtration's water purification system |
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| Publication Number | Publication Date |
|---|---|
| CN217829179U true CN217829179U (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221765526.5U Active CN217829179U (en) | 2022-07-06 | 2022-07-06 | Circulating filtration's water purification system |
Country Status (1)
| Country | Link |
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| CN (1) | CN217829179U (en) |
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2022
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