CN211733876U - Water purification system - Google Patents
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- CN211733876U CN211733876U CN201921877145.4U CN201921877145U CN211733876U CN 211733876 U CN211733876 U CN 211733876U CN 201921877145 U CN201921877145 U CN 201921877145U CN 211733876 U CN211733876 U CN 211733876U
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Abstract
The utility model provides a water purification system, include: the first purified water pipeline comprises pretreatment equipment arranged on the first purified water pipeline; further comprising: the first water valve is arranged on the first water purification pipeline; and the power equipment is arranged on the first clean water pipeline and is positioned at the upstream and/or the downstream of the pretreatment equipment. The power equipment provides power for the flow of water flow in the water purification pipeline, even if the pressure of the water flow is lost at the pretreatment equipment, the water supply pressure is insufficient after pressure drop occurs, and the use requirement of a user can be met through further pressurization of the power equipment. The first water valve can control the opening and closing of the first purified water pipeline and the opening degree, so that the water flow pressure in the first purified water pipeline can be controlled together with power equipment.
Description
Technical Field
The utility model relates to a water treatment system technical field, concretely relates to water purification system.
Background
Water purification units are becoming more and more common in everyday life. The water source of the household small-sized water purifying equipment is usually a municipal water supply pipeline, so that the water quality and the water pressure of the water source are less influenced all the year round.
However, in some large-scale water purification equipment, the water source is a natural water source. On one hand, due to the change of four seasons, the flow of rainwater is different, and various indexes of TDS and turbidity of natural raw water are obviously changed. If the precipitation is less in winter, the TDS and the turbidity of raw water are higher, and the precipitation is more in summer, the raw water can be naturally diluted to cause the TDS and the turbidity of the raw water to be lower. Similarly, the water pressure of natural raw water also changes with the environmental change.
On the other hand, the water quality and water pressure are different depending on the region.
The conventional water purification apparatus, as shown in fig. 1, is generally provided with a pretreatment apparatus 8, wherein the pretreatment apparatus 8 can pretreat natural raw water at a raw water inlet end M of the puller, and the pretreatment includes a treatment process of filtering, disinfecting and the like to make the treated water reach a water purification index specified by the country. Because the pretreatment device 8 has a filtering function, the water pressure of the raw water flowing through the pretreatment device is relatively reduced, and the phenomenon of the reduced water pressure of the raw water is generally called pressure drop.
Because the pressure drop is related to the quality of raw water, the water pressure of the purified water flowing out of the purified water outlet end N of the original water purifying equipment can not be provided to meet the water pressure requirement of users along with the change of seasons or the difference of user regions.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art water purification system and being difficult to deal with the defect that can't satisfy the user demand because of seasonal variation arouses the change of natural raw water pressure drop to a water purification system is provided.
A water purification system comprising:
the first purified water pipeline comprises pretreatment equipment arranged on the first purified water pipeline;
further comprising:
the first water valve is arranged on the first water purification pipeline;
and the power equipment is arranged on the first clean water pipeline and is positioned at the upstream and/or the downstream of the pretreatment equipment.
The input end of the power equipment is communicated with the raw water inlet end M, and the output end of the power equipment is communicated with the water inlet pipeline of the pretreatment equipment.
Further comprising:
the water storage tank is located on the first clean water pipeline, the water storage tank includes at least one water inlet, the water inlet is linked together with raw water intake end M, the delivery port of water storage tank with the power equipment intercommunication.
Further comprising:
the two ends of the second water purification pipeline are communicated with the first water purification pipeline, wherein one end of the second water purification pipeline is positioned at the upstream of the power equipment, and the other end of the second water purification pipeline is positioned between the output end of the power equipment and the water inlet pipeline of the pretreatment equipment;
and the second water valve is arranged on the second water purification pipeline.
Further comprising:
and one end of the third water purification pipeline is communicated with the water outlet pipeline of the pretreatment equipment or the downstream of the water outlet pipeline, and the other end of the third water purification pipeline is communicated with the upstream of the power equipment.
The second purified water pipeline is connected with the upstream of the water storage tank.
The third purified water pipeline is communicated with the water inlet of the water storage tank or the upstream of the water inlet.
Further comprising:
and one end of the fourth water purification pipeline is communicated with the downstream of the output end of the power equipment, and the other end of the fourth water purification pipeline is communicated with a water purification outlet end N.
The water storage tank comprises two water inlets which are respectively communicated with the first purified water pipeline and the third purified water pipeline, and a fifth water valve is arranged on the third purified water pipeline.
Further comprising:
and the fourth water valve is arranged on the first purified water pipeline and positioned at the upstream of the pretreatment equipment, and the fourth water valve is positioned between two end points of the fourth purified water pipeline communicated with the first purified water pipeline.
The second purified water pipeline is close to one end of the pretreatment equipment and is communicated with a first purified water pipeline between the fourth water valve and the pretreatment equipment.
And a third water valve is arranged on the fourth purified water pipeline.
And a one-way valve is arranged on the second purified water pipeline and is positioned at the downstream of the second water valve.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a water purification system, include: the first purified water pipeline comprises pretreatment equipment arranged on the first purified water pipeline; further comprising: the first water valve is arranged on the first water purification pipeline; and the power equipment is arranged on the first clean water pipeline and is positioned at the upstream and/or the downstream of the pretreatment equipment.
The power equipment provides power for the flow of water flow in the water purification pipeline, even if the pressure of the water flow is lost at the pretreatment equipment, the water supply pressure is insufficient after pressure drop occurs, and the use requirement of a user can be met through further pressurization of the power equipment. The first water valve can control the opening and closing of the first purified water pipeline and the opening degree, so that the water flow pressure in the first purified water pipeline can be controlled together with power equipment.
2. The utility model provides a water purification system, power equipment's input is linked together with raw water intake end M, power equipment's output with pre-treatment facilities's water intake pipe intercommunication.
Power equipment locates the upper reaches of preliminary treatment equipment, makes the contribution for the pressure of intaking of the section of intaking in the first clean water pipeline on the one hand, guarantees the water pressure of intaking, for the subsequent sufficient pressure prerequisite of flowing in the pipeline of nature water source, provides sufficient water volume for first clean water pipeline simultaneously.
3. The utility model provides a water purification system still includes: the water storage tank is located on the first clean water pipeline, the water storage tank includes at least one water inlet, the water inlet is linked together with raw water intake end M, the delivery port of water storage tank with the power equipment intercommunication.
The water storage tank has the function of storing water and stores natural water sources in advance. The influence on water consumption of users caused by seasonal changes, insufficient water source or water cut-off is prevented. And the water storage tank is located the upper reaches of preliminary treatment equipment in this scheme, can realize that the water that the user used is all the system on the spot, and the problem that the water purification does not have storage and stews guarantees that the user can obtain healthy water purification.
4. The utility model provides a water purification system still includes: the two ends of the second water purification pipeline are communicated with the first water purification pipeline, wherein one end of the second water purification pipeline is positioned at the upstream of the water storage tank, and the other end of the second water purification pipeline is positioned between the output end of the power equipment and the water inlet pipeline of the pretreatment equipment; the second water valve is arranged on the second water purification pipeline; and one end of the third water purification pipeline is communicated with the water outlet pipeline of the pretreatment equipment or the downstream of the water outlet pipeline, and the other end of the third water purification pipeline is communicated with the water inlet of the water storage tank or the upstream of the water inlet.
When the water quality changes largely, the treatment load at the pretreatment apparatus increases, and therefore the pressure drop of the water flow occurring at the pretreatment apparatus is large. At this time, the water output from the pretreatment apparatus cannot meet the use demand of the user, even if the power is increased to raise the water pressure, only by means of the power apparatus located upstream of the pretreatment apparatus. When second water purification pipeline and third water purification pipeline were started up in this scheme, the water source was handled through preprocessing equipment earlier, and the water after the processing is through power equipment pressurization again, and the repressurization very satisfies user's user demand easily this moment. Therefore, different modes can be selected for use according to seasonal changes or different regions where the user is located, and the water demand of the user is met.
5. The utility model provides a water purification system still includes: and one end of the fourth water purification pipeline is communicated with the downstream of the output end of the power equipment, and the other end of the fourth water purification pipeline is communicated with a water purification outlet end N.
The fourth clean water pipeline is a new branch provided for the output end of the power equipment. When the fourth clean water line is activated, the water flowing out of the power plant bypasses the pretreatment plant and is directly available to the user. And the second water purification mode is formed by matching with the second water purification pipeline and the third water purification pipeline, namely the water purification mode of filtering firstly and pressurizing secondly.
6. The utility model provides a water purification system, the water storage tank is including communicateing respectively first water purification pipeline with two water inlets of third water purification pipeline, be equipped with the fifth water valve on the third water purification pipeline.
When the water purification system is switched between the mode of pressurizing before filtering and the mode of filtering before pressurizing, the water storage tank does not need to be changed. The switching of the first water valve and the fifth water valve arranged on the first water purification pipeline and the third water purification pipeline can be carried out.
7. The utility model provides a water purification system still includes: and the fourth water valve is arranged on the first purified water pipeline and positioned at the upstream of the pretreatment equipment, and the fourth water valve is positioned between two end points of the fourth purified water pipeline communicated with the first purified water pipeline.
When the water purification system switches the mode, the water flowing out of the power device can be prevented from entering the pretreatment device by closing the fourth water valve.
8. The utility model provides a water purification system, second water purification pipeline is close to pre-treatment facilities's one end, the switch-on is located the fourth water valve with first water purification pipeline between the pre-treatment facilities.
Even if the fourth water valve is closed, the water flow can still enter the pretreatment device through the second purified water pipeline.
9. The utility model provides a water purification system, be equipped with the third water valve on the fourth water purification pipeline.
When the fourth water valve is closed, the purified water flowing out of the power equipment is directly sent to a user for use through the third water valve.
10. The utility model provides a water purification system, be equipped with the check valve on the second water purification pipeline, the check valve is located the low reaches of second water valve.
The setting of check valve prevents that the water purification in the preprocessing equipment from flowing backwards to the second water purification pipeline when the second water purification pipeline is in the closed state.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of background art;
FIG. 2 is a schematic view of the structure of the water purification system of the present invention;
fig. 3 is a schematic structural diagram of a first working mode of the water purification system of the present invention;
fig. 4 is a schematic structural diagram of a second operation mode of the water purification system of the present invention;
fig. 5 is the schematic structural diagram of the water purification system after the water storage tank is removed.
Description of reference numerals:
1. a first water valve; 2. a second water valve; 3. a water storage tank; 4. a power plant; 5. a one-way valve; 6. a third water valve; 7. a fourth water valve; 8. a pre-treatment device; 9. a fifth water valve; 10. a first clean water pipeline; 11. A second clean water pipeline; 12. a third purified water pipeline; 13. and the fourth water purification pipeline.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a water purification system, as shown in fig. 2, including: the first purified water pipeline 10 comprises a pretreatment device 8 arranged on the first purified water pipeline 10; further comprising: the first water valve 1 is arranged on the first water purification pipeline 10; and the power equipment 4 is arranged on the first clean water pipeline 10 and is positioned at the upstream and/or the downstream of the pretreatment equipment 8. The power device 4 provides power for the flow of water flow in the purified water pipeline, even if the pressure of the water flow is lost at the pretreatment device 8, the water supply pressure is insufficient after pressure drop occurs, and the use requirement of a user can be met through further pressurization of the power device 4. The first water valve 1 can control the opening and closing of the first clean water pipeline 10 and the opening degree, so that the power equipment 4 is matched to control the water flow pressure in the first clean water pipeline 10.
The function of the first water valve 1 is not particularly limited, and in this embodiment, the first water valve 1 is used to control the opening and closing of the first purified water pipeline 10. The first purified water pipeline 10 may be used for flowing the treated purified water or the untreated raw water. Therefore, the first water valve 1 can be used for controlling the circulation and the cut-off of the purified water and can also be used for controlling the circulation and the cut-off of the raw water.
The position of the first water valve 1 is not particularly limited, and in this embodiment, the first water valve 1 may be located upstream of the power device 4 or downstream of the power device 4. The first water valve 1 may also be located between the power plant 4 and the pre-treatment plant 8. When water quality changes, the opening and closing of the first water valve 1 and the power equipment 4 and/or the pretreatment equipment 8 act together to cut off water at a preset position in a pipeline, so that the power equipment 4 is convenient to overhaul, or a filter element in the pretreatment equipment 8 is convenient to replace and the like.
The positional relationship between the power plant 4 and the pretreatment apparatus 8 is not particularly limited, and in this embodiment, as shown in fig. 2 and 3, the input end of the power plant 4 is communicated with the raw water inlet end M, and the output end of the power plant 4 is communicated with the water inlet pipeline of the pretreatment apparatus 8. The power equipment 4 is arranged at the upstream of the pretreatment equipment 8, on one hand, the power equipment contributes to the water inlet pressure of the water inlet section in the first purified water pipeline 10, ensures the water inlet pressure, provides enough pressure premise for the subsequent flow of a natural water source in the pipeline, and simultaneously provides enough water quantity for the first purified water pipeline 10. As an alternative embodiment, the power plant 4 is arranged downstream of the pretreatment device 8, as shown in fig. 4.
The structure of the water purification system is not particularly limited, and in this embodiment, as shown in fig. 2, the water purification system further includes: on water storage tank 3 located first clean water pipeline 10, water storage tank 3 includes at least one water inlet, and the water inlet is linked together with raw water intake end M, and water storage tank 3's delivery port and power equipment 4 intercommunication. The water storage tank 3 has a function of storing water and stores a natural water source in advance. The influence on water consumption of users caused by seasonal changes, insufficient water source or water cut-off is prevented. And water storage tank 3 is located pretreatment devices 8's upper reaches in this scheme, can realize that the water that the user used is all the system on the spot, and the problem that the water purification does not have to store and stews guarantees that the user can obtain healthy water purification.
The structure of the water purification system is not particularly limited, and in this embodiment, as shown in fig. 2 and 4, the water purification system further includes: two ends of the second water purification pipeline 11 are communicated with the first water purification pipeline 10, wherein one end of the second water purification pipeline is positioned at the upstream of the water storage tank 3, and the other end of the second water purification pipeline is positioned between the output end of the power equipment 4 and the water inlet pipeline of the pretreatment equipment 8; the second water valve 2 is arranged on the second water purification pipeline 11; one end of the third water purification pipeline 12 is communicated with the water outlet pipeline of the pretreatment device 8 or the downstream of the water outlet pipeline, and the other end is communicated with the water inlet of the water storage tank 3 or the upstream of the water inlet. When the water quality changes largely, the treatment load at the pretreatment device 8 increases, and therefore the pressure drop of the water flow occurring at the pretreatment device 8 is large. At this time, by means of only the power plant 4 located upstream of the pretreatment device 8, even if the power is increased to raise the water pressure, the purified water output from the pretreatment device 8 cannot meet the use demand of the user. When second clean water pipeline 11 and third clean water pipeline 12 were opened in this scheme, the water source was handled through pretreatment equipment earlier, and the water after the processing is through power equipment 4 pressurization again, and the repressurization very satisfies user's user demand easily this moment. Therefore, different modes can be selected for use according to seasonal changes or different regions where the user is located, and the water demand of the user is met. As an alternative embodiment, as shown in fig. 5, the water purification system does not include the water storage tank 3. During normal use, a natural water source enters from the end M, is pressurized from the power equipment 4 on the first water purification pipeline 10 through the first water valve 1, enters the pretreatment equipment 8 through the fourth water valve 7, and then flows out from the end N for use by a user. When the water quality changes to cause the water pressure of the N-end user to be insufficient, the mode is switched to another mode. A natural water source enters from the end M, enters the pretreatment equipment 8 from the second purified water pipeline 11 through the second water valve 2, enters the third purified water pipeline 12 after being treated, and enters the first purified water pipeline 10 through the fifth water valve 9. The treated purified water is pressurized by the power equipment 4, reaches the water demand of a user, enters the fourth purified water pipeline 13 through the third water valve 6 and flows into the N end for the user to use.
Referring to fig. 2 and 4, fig. 4 shows the water purification system switched to a mode of pre-treatment before pressurization. Only the first water valve 1 and the fourth water valve 7 in fig. 2 need to be closed, and the second water valve 2, the third water valve 6 and the fifth water valve 9 need to be opened. In this mode, raw water enters the second purified water pipeline 11 from the end M, enters the pretreatment device 8, then flows into the third purified water pipeline 12, is pressurized by the power device 4, enters the fourth purified water pipeline 13, and finally flows to a user from the end N.
The structure of the water purification system is not specifically limited, and in this embodiment, as shown in fig. 2 and 4, the water purification system further includes: and one end of the fourth purified water pipeline 13 is communicated with the downstream of the output end of the power equipment 4, and the other end of the fourth purified water pipeline is communicated with a purified water outlet end N. The fourth clean water conduit 13 provides a new branch for the output of the power plant 4. When the fourth clean water line 13 is activated, the water flowing out of the power plant 4 bypasses the pretreatment device 8 and is available directly to the user. And the second water purification mode, namely the water purification mode of filtering firstly and pressurizing secondly, is formed by matching with the second water purification pipeline 11 and the third water purification pipeline 12.
The number of the water inlets of the water storage pipe is not particularly limited, in this embodiment, as shown in fig. 2, the water storage tank 3 includes two water inlets respectively communicating with the first purified water pipe 10 and the third purified water pipe 12, and the third purified water pipe 12 is provided with a fifth water valve 9. The water storage tank 3 itself does not need to be changed when the water purification system is switched between the pressurization-first and filtration-second modes and the filtration-first and pressurization-second modes. The first water valve 1 and the fifth water valve 9 arranged on the first water purification pipeline 10 and the third water purification pipeline 12 can be switched to be opened and closed. As an alternative embodiment, the water storage pipe has only one water inlet, on which a three-way pipe is installed and which is connected to the first clean water pipe 10 and the second clean water pipe 11, respectively.
The structure of the first clean water pipe 10 is not particularly limited, and in this embodiment, as shown in fig. 2, the first clean water pipe further includes: and the fourth water valve 7 is arranged on the first clean water pipeline 10 and is positioned at the upstream of the pretreatment equipment 8, and the fourth water valve 7 is positioned between two end points of the fourth clean water pipeline 13 communicated with the first clean water pipeline 10. When the water purification system switches modes, water flowing out of the power device 4 can be prevented from entering the pretreatment device 8 by closing the fourth water valve 7.
The position relationship between the interface position of the second clean water pipeline 11 and the fourth water valve 7 is not particularly limited, and in this embodiment, as shown in fig. 2, the second clean water pipeline 11 is close to one end of the pretreatment device 8, and is connected to the first clean water pipeline 10 between the fourth water valve 7 and the pretreatment device 8. Even if the fourth water valve 7 is closed, water can still enter the pretreatment device 8 through the second clean water pipe 11.
The structure of the fourth clean water pipeline 13 is not particularly limited, and in this embodiment, as shown in fig. 2 and 4, the third water valve 6 is disposed on the fourth clean water pipeline 13. When the fourth water valve 7 is closed, the purified water flowing out of the power device 4 is directly sent to a user for use through the third water valve 6.
The structure of the second clean water pipe 11 is not particularly limited, and in this embodiment, as shown in fig. 2, a check valve 5 is disposed on the second clean water pipe 11, and the check valve 5 is located downstream of the second water valve 2. The provision of the check valve 5 prevents the clean water in the pre-treatment apparatus 8 from flowing backward into the second clean water pipe 11 when the second clean water pipe 11 is in a closed state.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (13)
1. A water purification system comprising:
a first clean water conduit (10) comprising a pre-treatment device (8) provided on the first clean water conduit (10);
it is characterized by also comprising:
the first water valve (1) is arranged on the first water purification pipeline (10);
the power equipment (4) is arranged on the first clean water pipeline (10) and is positioned at the upstream and/or the downstream of the pretreatment equipment (8);
and the two ends of the second water purification pipeline (11) are communicated with the first water purification pipeline (10), one end of the second water purification pipeline is positioned at the upstream of the power equipment (4), and the other end of the second water purification pipeline is positioned between the output end of the power equipment (4) and the water inlet pipeline of the pretreatment equipment (8).
2. Water purification system according to claim 1, wherein the input of the power plant (4) is in communication with the raw water inlet M and the output of the power plant (4) is in communication with the inlet line of the pre-treatment plant (8).
3. The water purification system of claim 2, further comprising:
water storage tank (3), locate on first clean water pipeline (10), water storage tank (3) include at least one water inlet, the water inlet is linked together with raw water intake end M, the delivery port of water storage tank (3) with power equipment (4) intercommunication.
4. The water purification system of any one of claims 1-3, further comprising:
and the second water valve (2) is arranged on the second water purification pipeline (11).
5. The water purification system of claim 4, further comprising:
and one end of the third water purification pipeline (12) is communicated with the water outlet pipeline of the pretreatment equipment (8) or the downstream of the water outlet pipeline, and the other end of the third water purification pipeline is communicated with the upstream of the power equipment (4).
6. The water purification system of claim 5, wherein: the third clean water pipeline (12) is communicated with a water inlet of the water storage tank (3) or the upstream of the water inlet.
7. The water purification system of claim 4, wherein: the second water purification pipeline (11) is connected with the upstream of the water storage tank (3).
8. The water purification system of claim 4, further comprising:
and one end of the fourth water purification pipeline (13) is communicated with the downstream of the output end of the power equipment (4), and the other end of the fourth water purification pipeline is communicated with a water purification outlet end N.
9. The water purification system of claim 8, wherein the water storage tank (3) comprises two water inlets communicating with the first purified water pipeline (10) and the third purified water pipeline (12), respectively, and the third purified water pipeline (12) is provided with a fifth water valve (9).
10. The water purification system of claim 9, further comprising:
and the fourth water valve (7) is arranged on the first water purification pipeline (10) and is positioned at the upstream of the pretreatment equipment (8), and the fourth water valve (7) is positioned between two end points of the fourth water purification pipeline (13) and the first water purification pipeline (10) which are communicated.
11. Water purification system according to claim 10, wherein the second clean water conduit (11) is close to an end of the pre-treatment device (8), opening the first clean water conduit (10) between the fourth water valve (7) and the pre-treatment device (8).
12. A water purification system according to any one of claims 8-10, wherein a third water valve (6) is arranged on the fourth water purification conduit (13).
13. Water purification system according to claim 4, wherein a one-way valve (5) is provided on the second purified water conduit (11), the one-way valve (5) being located downstream of the second water valve (2).
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| CN201921877145.4U CN211733876U (en) | 2019-10-31 | 2019-10-31 | Water purification system |
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| CN201921877145.4U CN211733876U (en) | 2019-10-31 | 2019-10-31 | Water purification system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745885A (en) * | 2019-10-31 | 2020-02-04 | 珠海格力电器股份有限公司 | Water purification system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745885A (en) * | 2019-10-31 | 2020-02-04 | 珠海格力电器股份有限公司 | Water purification system |
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