CN220056458U - Water purification device, water purification assembly and water purification system - Google Patents

Abstract

The utility model belongs to the technical field of water treatment, and particularly relates to a water purifying device, a water purifying component and a water purifying system. The water purifying device comprises a shell and a membrane group arranged in the shell; the shell is provided with an upper water inlet, a lower water inlet, an upper water outlet and a lower back flushing port; the upper water inlet and the lower water inlet are positioned on the water inlet side of the membrane group, and the upper water outlet and the lower back flushing port are positioned on the water outlet side of the membrane group. By adopting the water purifying device, the upper water inlet and the lower water inlet are used for feeding raw water into the shell when water is produced, and the upper water inlet and the lower water inlet are used for simultaneously discharging waste water during back flushing, so that the waste water in the shell is completely discharged, and the back flushing effect is improved. The water purifying component comprises the water purifying device, and is simple in structure and convenient to control. The water purification system comprises the water purification component, a back flush water tank and a back flush pump are omitted, the cost is reduced, and the economical efficiency is improved.

Description

Water purification device, water purification assembly and water purification system

Technical Field

The utility model belongs to the technical field of water treatment, and particularly relates to a water purifying device, a water purifying component and a water purifying system.

Background

The pressurized membrane separation technology is a common means for water treatment, and utilizes the interception capability of porous materials to remove impurity particles with a certain size in water in a physical interception mode, and filters water quality by taking a membrane group in a water purifying device as a core. The working principle is that the pressure difference at two sides of the membrane group is used as driving force, the membrane group is used as filtering medium, raw water (i.e. water before treatment) flows through the surface of the membrane group under a certain pressure, as a plurality of tiny micropores densely distributed on the surface of the membrane group only allow water and small molecular substances to pass through to be permeate (i.e. pure water), particles, colloid, bacteria, heat sources and organic matters in the water can be effectively removed, and substances with volume larger than the micro-pore diameter on the surface of the membrane in the raw water are trapped at the water inlet side of the membrane group to be concentrated (i.e. concentrated water), so that the purposes of purifying, separating and concentrating the raw water are realized.

The existing water purifying device is provided with a water inlet, a water producing port, a cleaning port and a water outlet, the water inlet and the water producing port enable the water purifying device to normally produce water, the cleaning port and the water outlet can discharge impurities trapped by the membrane group, and the water purifying device is guaranteed to continuously produce water. Because the distribution position and the quantity of the cleaning port and the water outlet of the existing water purifying device are different, the impurities trapped by the membrane group cannot be effectively discharged when the water purifying device is cleaned, and the cleaning effect is poor.

Disclosure of Invention

Therefore, the utility model provides a water purifying device, a water purifying assembly and a water purifying system, which are used for solving the problem that the existing water purifying device is poor in cleaning effect.

According to an embodiment of the present utility model, there is provided a water purifying apparatus including a housing and a membrane module provided in the housing;

the shell is provided with an upper water inlet, a lower water inlet, an upper water outlet and a lower back flushing port; the upper water inlet and the lower water inlet are positioned on the water inlet side of the membrane group, and the upper water outlet and the lower back flushing port are positioned on the water outlet side of the membrane group.

In some embodiments, the membrane set is an ultrafiltration membrane.

According to an embodiment of the present utility model, there is provided a water purification assembly including a water inlet pipe, a water production pipe, a backwash pipe, a water discharge pipe, and the aforementioned water purification device;

the water inlet pipeline comprises a main water inlet pipeline and water inlet branch pipelines which are arranged in parallel, the water inlet branch pipelines are correspondingly connected to the upper water inlet and the lower water inlet, the main water inlet pipeline is provided with a water inlet valve, and the water inlet valve is positioned at the water inlet side of the water inlet branch pipeline;

the water production pipeline is connected to the upper drainage water outlet, and a water production valve is arranged on the water production pipeline;

the back flushing pipeline is connected to the back flushing port of the lower row, and a back flushing valve is arranged on the back flushing pipeline;

the drainage pipeline is communicated to the main water inlet pipeline, the drainage pipeline is arranged on the water outlet side of the water inlet branch pipeline, and a drainage valve is arranged on the drainage pipeline.

In some embodiments, the backwash valve is a back flush valve.

In some embodiments, a water producing check valve is further provided on the water producing pipeline.

According to an embodiment of the present utility model, there is provided in a third aspect a water purification system comprising a water inlet header, a water production header, a backwash header, a drain header, and at least two sets of the aforementioned water purification assemblies;

the main water inlet pipeline of each group of water purifying components is connected in parallel to the water inlet collecting pipeline, and the water inlet collecting pipeline is provided with a raw water supply pump for pumping raw water to the water purifying components;

the water producing pipelines of each group of water purifying assemblies are connected in parallel to the water producing and collecting pipeline, and one end of the water producing and collecting pipeline is provided with a pure water supply valve and communicated with a user; the other end of the water-producing and collecting pipeline is communicated with the back flushing and collecting pipeline;

the back flush pipelines of each group of water purification assemblies are connected in parallel to the back flush collecting pipeline, a cleaning valve is arranged on the back flush collecting pipeline, and the cleaning valve is positioned on the water inlet side of the back flush pipeline;

the drainage pipelines of each group of water purifying components are connected to the drainage and collecting pipeline in parallel.

In some embodiments, the water-producing collecting pipe is provided with a pure water supply pump, and the pure water supply pump is arranged on the water outlet side of the pure water supply valve or the pure water supply pump is arranged on the water inlet side of the pure water supply valve and the water outlet side of the water-producing pipe.

In some embodiments, the water inlet and collecting pipeline is provided with a first pressure measuring instrument for detecting the water pressure during water production; and a second pressure measuring instrument is arranged on the backwash current collecting pipeline and used for detecting the water pressure during backwash.

In some embodiments, a pressure reducing valve is arranged on the water-producing collecting pipeline or the back-flushing collecting pipeline, so as to reduce the water pressure during back flushing.

In some embodiments, the end of the backwash header is provided with a service valve.

By adopting the water purifying device, the upper water inlet and the lower water inlet are used for feeding raw water into the shell when water is produced, and the upper water inlet and the lower water inlet are used for simultaneously discharging waste water during back flushing, so that the waste water in the shell is completely discharged, and the back flushing effect is improved.

The water purifying component has a good backwashing effect, and also comprises an upper water inlet and a lower water inlet which are connected in parallel by the water inlet pipeline and a water outlet pipeline which is connected with the water inlet pipeline, so that the water purifying component has a simple structure and is convenient to control.

The water purification system has the advantages of the water purification assembly, a back flush water tank and a back flush pump are omitted, the cost is reduced, and the economical efficiency is improved.

Drawings

Fig. 1 is a schematic view of a water purifying assembly according to the present embodiment;

fig. 2 is a schematic structural diagram of a water purification system according to the present embodiment;

in the figure, a housing 10; an upper row of water inlets 11; a lower row of water inlets 12; an upper drainage nozzle 13; a lower back flushing port 14; a water inlet pipe 20; a first water intake pipe 201; a second water intake pipe 202; a third water intake pipe 203; a main water inlet pipe 21; a water inlet branch pipe 22; a water inlet valve 23; a first inlet valve 231; a second inlet valve 232; a third inlet valve 233; a water producing pipe 30; a first water producing pipe 301; a second water producing pipe 302; a third water producing pipe 303; a water producing valve 31; a first water producing valve 311; a second water producing valve 312; a third water producing valve 313; a produced water check valve 32; backwash line 40; a first backwash line 401; second backwash line 402; a third tertiary flush line 403; a backwash valve 41; a first backwash valve 411; second backwash valve 412; a third back flushing valve 413; a drain line 50; a first drain pipe 501; a second drain pipe 502; a third drain pipe 503; a drain valve 51; a first drain valve 511; a second drain valve 512; a third drain valve 513; a water inlet header pipe 60; a raw water supply pump 61; a first load cell 62; a temperature measuring instrument 63; a produced water collecting pipe 70; a pure water supply valve 71; a pure water supply pump 72; a pressure reducing valve 73; backwash header 80; a purge valve 81; a service valve 82; a second pressure measuring instrument 83; and a drain header 90.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that the illustrations provided in the present embodiment are merely schematic illustrations of the basic idea of the present utility model.

The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are particularly adapted to the specific details of construction and the use of the utility model, without departing from the spirit or essential characteristics thereof, which fall within the scope of the utility model as defined by the appended claims.

References in this specification to orientations or positional relationships as "upper", "lower", "left", "right", "intermediate", "longitudinal", "transverse", "horizontal", "inner", "outer", "radial", "circumferential", etc., are based on the orientation or positional relationships shown in the drawings, are also for convenience of description only, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, the present embodiment provides a water purifying assembly including a water purifying device and a pipe connected to the water purifying device. The water purifying apparatus includes a housing 10 and a membrane module (not shown) provided in the housing 10. The shell 10 is provided with an upper water inlet 11, a lower water inlet 12, an upper water outlet 13 and a lower back flushing port 14; the upper water inlet 11 and the lower water inlet 12 are positioned on the water inlet side of the membrane group, and the upper water outlet 13 and the lower back flushing port 14 are positioned on the water outlet side of the membrane group.

In the normal water production process, the upper water inlet 11, the lower water inlet 12 and the upper water production port 13 are all in a communication state, and the lower backwash port 14 is in a non-communication state; raw water firstly enters the shell 10 from the upper water inlet 11 and the lower water inlet 12, and the raw water at the moment is positioned on the water inlet side of the membrane group; then the raw water is filtered by the membrane group to form pure water, and the pure water at the moment is positioned on the water outlet side of the membrane group; finally, pure water flows out from the upper water outlet 13 and is delivered to the user side.

In the back flushing process, the upper water inlet 11, the lower water inlet 12 and the lower back flushing port 14 are all in a communicated state, and the upper water outlet 13 is in a non-communicated state; the back flushing water firstly enters the shell 10 from the back flushing port 14 of the lower row, and the back flushing water at the moment is positioned on the water outlet side of the membrane group; then the back flushing water passes through the membrane group to flush impurities on the water inlet side of the membrane group to form wastewater; finally, the waste water flows out from the upper water inlet 11 and the lower water inlet 12. The upper water inlet 11 and the lower water inlet 12 of the water purifying device are used for feeding raw water into the shell 10 when water is produced, and the upper water inlet 11 and the lower water inlet 12 are used for simultaneously discharging waste water during back flushing, so that the waste water in the shell 10 is completely discharged, and the back flushing effect is improved.

The water purifying assembly of the present embodiment specifically includes a water inlet pipe 20, a water producing pipe 30, a backwash pipe 40 and a water discharging pipe 50. The water inlet pipeline 20 is connected in parallel to the upper water inlet 11 and the lower water inlet 12, the water inlet pipeline 20 specifically comprises a water inlet main pipeline 21 for introducing raw water and a water inlet branch pipeline 22 which is arranged on the water inlet main pipeline 21 in parallel, a water inlet valve 23 is arranged on the water inlet main pipeline 21, and the water inlet valve 23 is positioned on the water inlet side of the water inlet branch pipeline 22. The water producing pipe 30 of this embodiment is connected to the upper drain outlet 13, and a water producing valve 31 is provided on the water producing pipe 30. The back flush pipeline 40 is connected to the back flush port 14 of the lower row, a back flush valve 41 is arranged on the back flush pipeline 40, the back flush valve 41 can be a check valve, the back flush valve 41 does not need to be opened and closed repeatedly, pure water can be prevented from being discharged out of the back flush port 14 of the lower row in the water production process, and the back flush water can be ensured to smoothly enter the shell 10.

The drainage pipeline 50 of the present embodiment is connected to the main water inlet pipeline 21, the drainage pipeline 50 is specifically disposed on the water outlet side of the water inlet branch pipeline 22, and the drainage pipeline 50 is provided with a drainage valve 51. The water inlet pipeline 20 of the water purifying component is connected with the upper water inlet 11, the lower water inlet 12 and the water outlet pipeline 50 in parallel, the water inlet pipeline 20 and the water outlet pipeline 50 are respectively provided with only one valve, and the upper water inlet 11 and the lower water inlet 12 can have the functions of raw water inlet or waste water outlet, so that the water purifying component is simple in structure and convenient to control.

The water producing pipe 30 of the present embodiment is further provided with a water producing check valve 32, the water producing check valve 32 of the present embodiment is disposed on the water inlet side of the water producing valve 31, and the water producing check valve 32 of some embodiments may also be disposed on the water outlet side of the water producing valve 31, so as to prevent pure water in the water producing and collecting pipe 70 from flowing back to the water purifying device through the water producing pipe 30.

Referring specifically to fig. 2, the present embodiment also provides a water purification system comprising a water inlet header 60, a water production header 70, a backwash header 80, a water discharge header 90, and at least two sets of the aforementioned water purification assemblies. The water inlet end of the water inlet collecting pipe 60 is connected to a water source, and a raw water supply pump 61 is provided on the water inlet collecting pipe 60 to pump raw water to the water purifying assembly. The main water inlet pipe 21 of each group of water purifying components is connected in parallel to the water inlet collecting pipe 60; the water producing pipelines 30 of each group of water purifying assemblies are connected in parallel to the water collecting pipeline 70, one end of the water producing collecting pipeline 70 is provided with a pure water supply valve 71 and communicated with a user, and the other end of the water producing collecting pipeline 70 is provided with a back flushing collecting pipeline 80; the back flush pipeline 40 of each group of water purification components is connected in parallel to a back flush collecting pipeline 80, a cleaning valve 81 is arranged on the back flush collecting pipeline 80, and the cleaning valve 81 is positioned on the water inlet side of the back flush pipeline 40. The drainage pipelines 50 of each group of water purifying components are connected in parallel to the drainage and collecting pipeline 90, and the water outlet end of the drainage and collecting pipeline 90 is communicated with a drainage tank.

In the water purification system of this embodiment, during the water production process, pure water produced by at least two groups of water purification components can be delivered to a user through the water production and collection pipeline 70, so that pure water is normally supplied to the user. The water purification system needs to back flush each group of water purification components in turn in the back flush process, when one group of water purification components is back flushed, pure water produced by the rest water purification components can enter the water purification components needing back flush through the water production collecting pipeline 70 and the back flush collecting pipeline 80 in turn, and then the waste water produced by back flush is discharged through the corresponding water inlet pipeline 20, the corresponding water discharge pipeline 50 and the corresponding water discharge collecting pipeline 90 in turn. The water purifying system omits a back flushing water tank and a back flushing pump, reduces the cost and improves the economy.

The deionized water system of the present embodiment further includes a deionized water supply pump 72, and the deionized water supply pump 72 is provided on the produced water collecting pipe 70 for pumping deionized water to the user. In the present embodiment, the deionized water supply pump 72 is preferably provided on the water outlet side of the deionized water supply valve 71, and in some embodiments, the deionized water supply pump 72 may be provided on the water inlet side of the deionized water supply valve 71 and the water outlet side of the water producing pipe 30.

The water purification system of the embodiment further comprises a first pressure measuring instrument 62 and a second pressure measuring instrument 83, wherein the first pressure measuring instrument 62 is arranged on the water inlet and collecting pipeline 60 and is used for detecting the water pressure during water production; a second pressure measuring instrument 83 is provided on the backwash header 80 for detecting the water pressure during backwash. The water purification system also comprises a temperature measuring instrument 63 arranged on the water inlet collecting pipe and used for detecting the temperature of raw water and ensuring the stable operation of the water purification system. The water purification system also comprises a pressure reducing valve 73, wherein the pressure reducing valve 73 is arranged on the water-producing collecting pipeline 70 or the back-flushing collecting pipeline 80 and is used for reducing the water pressure during back flushing and preventing the membrane group from being damaged due to the overlarge pressure of the water produced by the water purification component. The water purification system of this embodiment further includes an inspection valve 82, the inspection valve 82 being provided at the end of the backwash header 80. The service valve 82 can drain the water retained in the backwash header 80 for convenient service.

Referring specifically to fig. 2, the water purification system of the present embodiment includes 3 sets of water purification components including a first water purification component, a second water purification component, and a third water purification component. Taking a back flushing third water purifying component as an example: the first water inlet valve 231 on the first water inlet pipeline 201 and the first water outlet valve 311 on the first water outlet pipeline 301 are opened, and the first backwash valve 411 on the first backwash pipeline 401 and the first water outlet valve 511 on the first water outlet pipeline 501 are closed; the second water inlet valve 232 on the second water inlet line 202 and the second water outlet valve 31 on the second water outlet line 302 are open, and the second backwash valve 412 on the second backwash line 402 and the second water discharge valve 512 on the second water discharge line 502 are closed; the third back flushing valve 413 on the third back flushing pipe 403 and the third drain valve 513 on the third drain pipe 503 are opened, and the third water inlet valve 233 on the third water inlet pipe 203 and the third water outlet valve 313 on the third water outlet pipe 303 are closed; the produced water supply valve on the produced water collecting pipe 70 is closed and the purge valve 81 on the backwash collecting pipe 80 is opened.

In the process of back flushing the third water purification assembly, the water inlet collecting pipeline 60 conveys raw water to the first water purification assembly and the second water purification assembly and generates pure water, the pure water is conveyed to the water generating collecting pipeline 70 from the corresponding first water generating pipeline 301 and the second water generating pipeline 302 respectively, the pure water in the water generating collecting pipeline 70 sequentially passes through the back flushing collecting pipeline 80 and the third back flushing pipeline 403 to back flush the third water purification assembly, and the waste water generated by the back flushing third water purification assembly is sequentially discharged through the third water inlet pipeline 203, the third water discharging pipeline 503 and the water discharging collecting pipeline 90.

The membrane module of this embodiment is preferably an ultrafiltration membrane, and other conventional microfiltration membranes or nanofiltration membranes may be used. The number of the water purifying components may be set according to actual demands, and is not limited to the three groups of water purifying components described in the present embodiment. The ultrafiltration system of the embodiment can set the backwashing time when the water consumption is not large so as to avoid influencing the water consumption experience of users due to backwashing operation.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A water purification device, comprising a shell (10) and a membrane group arranged in the shell (10); the method is characterized in that:

the shell (10) is provided with an upper water inlet (11), a lower water inlet (12), an upper water outlet (13) and a lower back flushing port (14); the upper water inlet (11) and the lower water inlet (12) are positioned on the water inlet side of the membrane group, and the upper water outlet (13) and the lower back flushing port (14) are positioned on the water outlet side of the membrane group.

2. The water purification apparatus of claim 1, wherein: the membrane group is an ultrafiltration membrane.

3. A water purification assembly, characterized in that: comprising a water inlet pipe (20), a water producing pipe (30), a back flushing pipe (40), a water draining pipe (50), a water purifying device according to claim 1 or 2;

the water inlet pipeline (20) comprises a main water inlet pipeline (21) and a water inlet branch pipeline (22) which is arranged in parallel, the water inlet branch pipeline (22) is correspondingly connected to the upper water inlet (11) and the lower water inlet (12), a water inlet valve (23) is arranged on the main water inlet pipeline (21), and the water inlet valve (23) is positioned on the water inlet side of the water inlet branch pipeline (22);

the water production pipeline (30) is connected to the upper drainage water production port (13), and a water production valve (31) is arranged on the water production pipeline (30);

the back flushing pipeline (40) is connected to the lower back flushing port (14), and a back flushing valve (41) is arranged on the back flushing pipeline (40);

the drainage pipeline (50) is communicated to the main water inlet pipeline (21), the drainage pipeline (50) is arranged on the water outlet side of the branch water inlet pipeline (22), and the drainage pipeline (50) is provided with a drainage valve (51).

4. The water purification assembly of claim 3, wherein: the back flush valve (41) is a check valve.

5. The water purification assembly of claim 3 or 4, wherein: and a water production check valve (32) is further arranged on the water production pipeline (30).

6. A water purification system, characterized by: comprising a water inlet header line (60), a produced water header line (70), a backwash header line (80), a drainage header line (90), at least two sets of water purification assemblies according to any one of claims 3 to 5;

the main water inlet pipeline (21) of each group of water purifying components is connected in parallel to the water inlet collecting pipeline (60), and the water inlet collecting pipeline (60) is provided with a raw water supply pump (61) for pumping raw water to the water purifying components;

the water producing pipelines (30) of each group of water purifying assemblies are connected in parallel to the water producing and collecting pipeline (70), and one end of the water producing and collecting pipeline (70) is provided with a pure water supply valve (71) and is communicated with a user; the other end of the produced water collecting pipeline (70) is communicated with the back flushing collecting pipeline (80);

the back flush pipelines (40) of each group of water purification assemblies are connected in parallel to the back flush collecting pipeline (80), a cleaning valve (81) is arranged on the back flush collecting pipeline (80), and the cleaning valve (81) is positioned on the water inlet side of the back flush pipeline (40);

the drain pipes (50) of each set of water purification assemblies are connected in parallel to the drain header pipe (90).

7. The water purification system of claim 6, wherein: the pure water supply pump (72) is arranged on the pure water supply and collection pipeline (70), and the pure water supply pump (72) is arranged on the water outlet side of the pure water supply valve (71) or the pure water supply pump (72) is arranged on the water inlet side of the pure water supply valve (71) and the water outlet side of the water production pipeline (30).

8. The water purification system of claim 6, wherein: the water inlet and collecting pipeline (60) is provided with a first pressure measuring instrument (62) for detecting the water pressure during water production; the backwash collecting pipeline (80) is provided with a second pressure measuring instrument (83) for detecting the water pressure during backwash.

9. The water purification system of claim 6, wherein: the produced water collecting pipeline (70) or the back flushing collecting pipeline (80) is provided with a pressure reducing valve (73) for reducing the water pressure during back flushing.

10. The water purification system of claim 6, wherein: and the tail end of the backwashing current collecting pipeline (80) is provided with a maintenance valve (82).