CN212833121U

CN212833121U - Reverse osmosis concentrated water utilization device

Info

Publication number: CN212833121U
Application number: CN202021554883.8U
Authority: CN
Inventors: 刘克武
Original assignee: Chongqing Bochuang Water Treatment Equipment Co ltd
Current assignee: Chongqing Bochuang Water Treatment Equipment Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-03-30
Anticipated expiration: 2030-07-30

Abstract

The utility model belongs to the field of water treatment, and particularly discloses a reverse osmosis concentrated water utilization device, which comprises a pretreatment mechanism, a membrane treatment mechanism and a backwashing mechanism, wherein the pretreatment mechanism comprises a plurality of filters which are sequentially communicated, each filter comprises a shell and filter filler arranged in the shell, the shell is provided with a water inlet and a water outlet, a backwashing pipe inserted into the bottom of the filter filler is arranged in the shell, and the upper part of the shell is provided with a backwashing discharge port; the back flushing mechanism comprises a water tank communicated with a reverse osmosis concentrated water outlet of the membrane treatment mechanism, a water outlet is arranged at the lower part of the water tank, and the water outlet is communicated with a back flushing pipe. Adopt the utility model discloses a problem that the dense water utilization ratio of reverse osmosis is low can be solved to the scheme.

Description

Reverse osmosis concentrated water utilization device

Technical Field

The utility model belongs to the water treatment field, concretely relates to dense water utilization equipment of reverse osmosis.

Background

At present, medical reverse osmosis equipment uses tap water as raw water, and after the tap water passes through a pretreatment mechanism and a membrane treatment mechanism, organic matters and inorganic matters in the raw water are separated or adsorbed, so that the raw water is used as water for washing in departments, reverse osmosis pure water and reverse osmosis concentrated water can be obtained after the treatment of the membrane treatment structure, and in the actual use process, the utilization rate of the reverse osmosis pure water is higher, and the reverse osmosis concentrated water is usually directly discharged into a sewer and is relatively wasted.

SUMMERY OF THE UTILITY MODEL

To the deficiency that exists among the prior art, the utility model provides a dense water utilization equipment of reverse osmosis to solve the dense water low problem of utilization ratio of reverse osmosis.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a reverse osmosis concentrated water utilization device comprises a pretreatment mechanism, a membrane treatment mechanism and a backwashing mechanism, wherein the pretreatment mechanism comprises a plurality of filters which are sequentially communicated, each filter comprises a shell and a filter filler arranged in the shell, the shell is provided with a water inlet and a water outlet, a backwashing pipe inserted into the bottom of the filter filler is arranged in the shell, and the upper part of the shell is provided with a backwashing discharge port; the back flushing mechanism comprises a water tank communicated with a reverse osmosis concentrated water outlet of the membrane treatment mechanism, a water outlet is arranged at the lower part of the water tank, and the water outlet is communicated with a back flushing pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. and the reverse osmosis concentrated water is introduced into the backwashing pipe and is introduced into the bottom of the filtering filler through the backwashing pipe, the reverse osmosis concentrated water moves upwards at the bottom of the filtering filler to wash out impurities in the filtering filler upwards, and is finally discharged through the backwashing discharge port to finish backwashing, and the filtering filler is cleaned through backwashing.

2. The reverse osmosis concentrated water is utilized for back flushing, compared with the back flushing by using tap water, the waste of water resources is reduced, impurities in the reverse osmosis concentrated water are much less than the tap water, the residue of the impurities in the pretreatment mechanism is reduced, and the back flushing effect is better.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

In the figure: 1. a raw water pipe; 2. a water pipe is supplemented; 3. a raw water valve; 4. a multi-media filter; 5. an activated carbon filter; 6. a water softener; 7. a back-flushing valve; 8. filtering the filler; 9. back flushing the discharge port; 10. a cartridge filter; 11. a booster pump; 12. a reverse osmosis membrane processor; 13. a reverse osmosis concentrated water outlet; 14. a water tank; 15. a dense water port; 16. an overflow port; 17. a water outlet; 18. a backwash pump; 19. a check valve; 20. an ultraviolet sterilizer; 21. a water replenishing valve; 22. a liquid level meter; 23. a backwash pipe; 24. a reverse osmosis pure water outlet; 25. a water pipe is used; 26. an electromagnetic valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, and specific embodiments will be given.

As shown in fig. 1, the reverse osmosis concentrated water utilization device comprises a pretreatment mechanism, a membrane treatment mechanism and a back flush mechanism, wherein the pretreatment mechanism comprises a multi-media filter 4, an activated carbon filter 5, a water softener 6 and a cartridge filter 10 which are sequentially communicated through pipelines, a raw water pipe 1 is communicated with the multi-media filter 4, a raw water valve 3 is installed on the raw water pipe 1, and whether raw water can enter the raw water pipe 1 is controlled by opening and closing the raw water valve 3. The raw water valve 3 is opened, the raw water enters the raw water pipe 1, and then enters the membrane treatment mechanism after being treated by the multi-media filter 4, the activated carbon filter 5, the water softener 6 and the cartridge filter 10 in sequence.

Many medium filter 4, activated carbon filter 5, water softener 6 all include the casing and set up the filtration filler 8 in the casing, are equipped with water inlet and outlet on the casing, and water inlet, drain outlet supply the raw water circulation, and the raw water passes through in the water inlet gets into the casing promptly, filters through the filtration filler 8 in the casing and handles the back, through outlet discharge casing, and many medium filter 4, activated carbon filter 5, water softener 6 are prior art normal water treatment equipment commonly used, and its filtering principle is no longer repeated. A back washing pipe 23 inserted into the bottom of the filtering filler 8 is fixed in the shell, and a back washing outlet 9 is arranged at the upper part of the shell.

The membrane treatment mechanism includes reverse osmosis membrane treater 12, the intercommunication has booster pump 11 between safety filter 10 and the reverse osmosis membrane treater 12, it is concrete, the end of intaking of booster pump 11 and safety filter 10's play water end intercommunication, the play water end of booster pump 11 and the end intercommunication of intaking of reverse osmosis membrane treater 12, be equipped with reverse osmosis pure water outlet 24 on the reverse osmosis membrane treater 12, reverse osmosis dense water export 13, the water through pretreatment mechanism is extracted by booster pump 11 and is got into reverse osmosis membrane treater 12 in through the processing back of reverse osmosis membrane, divide into reverse osmosis pure water and reverse osmosis dense water, respectively from reverse osmosis pure water export 24, reverse osmosis dense water export 13 discharges, reverse osmosis dense water export 13 intercommunication has the dense water pipe.

The back flushing mechanism comprises a water tank 14, the upper part of the water tank 14 is provided with a concentrated water port 15 and an overflow port 16, the concentrated water port 15 is used for being communicated with a reverse osmosis concentrated water outlet 13 (namely a concentrated water pipe) of the membrane treatment mechanism, a concentrated water valve is arranged in the concentrated water pipe, and reverse osmosis concentrated water is discharged into the water tank 14 to be collected. The water inlet is positioned at a height higher than the overflow port 16, and when a special condition is encountered, such as a water discharge failure of the water tank 14, which causes a large amount of water in the water tank 14, the water in the water tank 14 can be discharged through the overflow port 16. The lower part of the water tank 14 is provided with a water outlet 17, and reverse osmosis concentrated water can be discharged through the water outlet 17 when in use.

The water outlet 17 is communicated with a water outlet pipe, the middle part of the water outlet pipe is provided with an ultraviolet sterilizer 20, a back washing pump 18 is arranged between the ultraviolet sterilizer 20 and the water outlet 17, the water outlet end of the back washing pump 18 is provided with a check valve 19, and the reverse osmosis concentrated water collected in the water tank 14 can be pumped out through the back washing pump 18 and sterilized through the ultraviolet sterilizer 20.

The water outlet pipe is communicated with a water supplementing pipe 2 positioned between the water tank 14 and the backwashing pump 18, the water supplementing valve 21 is installed on the water supplementing pipe 2, the liquid level meter 22 is installed in the water tank 14, the water-level control device further comprises a controller, the signal input end of the controller is used for receiving a liquid level signal of the liquid level meter 22, and the signal output end of the controller is used for controlling the on-off of the water supplementing valve 21. When the reverse osmosis concentrated water in the water tank 14 is less and insufficient for back flushing utilization, namely the liquid level meter 22 detects that the liquid level of the reverse osmosis concentrated water in the water tank 14 is lower, the controller controls the water replenishing valve 21 to be opened, tap water is introduced through the water replenishing pipe 2, and when the liquid level meter 22 detects that the liquid level of the reverse osmosis concentrated water in the water tank 14 is higher, the controller controls the water replenishing valve 21 to be closed. During the back flushing process, when the reverse osmosis concentrated water in the water tank 14 is less and insufficient for back flushing, the back flushing is assisted by supplementing tap water, on one hand, the tap water is mixed with the back flushing concentrated water to reduce the impurity concentration of the back flushing directly by using the tap water, on the other hand, the tap water is also sterilized by the ultraviolet sterilizer 20 to reduce the impurities in the tap water, and compared with the back flushing directly by using the tap water, the back flushing effect is better.

One end of the water outlet pipe, which is far away from the water tank 14, is communicated with the backwashing pipe 23, and the end of the water outlet pipe, which is far away from the water tank 14, is provided with the backwashing valve 7, when backwashing is needed, the raw water valve 3 is closed, the backwashing valve 7 is opened, the reverse osmosis concentrated water subjected to sterilization treatment by the ultraviolet sterilizer 20 is introduced into the backwashing pipe 23 and is introduced into the bottom of the filter filler 8 through the backwashing pipe 23, the reverse osmosis concentrated water moves upwards at the bottom of the filter filler 8, impurities in the filter filler 8 are washed upwards, and finally the reverse osmosis concentrated water is discharged through the backwashing discharge port 9, so that backwashing is.

In another embodiment of the utility model, the submergence formula ultraviolet lamp is installed to water tank 14 inner wall lower part, carries out preliminary sterilization to the dense water of reverse osmosis of storage in water tank 14 through submergence formula ultraviolet lamp, reduces the bacterium that the dense water of reverse osmosis multiplied in the storage process in water tank 14.

In another embodiment of the present invention, the water outlet end of the ultraviolet sterilizer 20 is connected to the water pipe 25, the electromagnetic valve 26 is installed in the water pipe 25, when the water is needed in daily life, the electromagnetic valve 26 can be opened, the reverse osmosis concentrated water is discharged from the water pipe 25, and can be used for washing hands, watering flowers, flushing toilets and the like, thereby improving the utilization rate of the reverse osmosis concentrated water.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A reverse osmosis concentrated water utilization device is characterized in that: the device comprises a pretreatment mechanism, a membrane treatment mechanism and a backwashing mechanism, wherein the pretreatment mechanism comprises a plurality of filters which are sequentially communicated, each filter comprises a shell and filter filler arranged in the shell, the shell is provided with a water inlet and a water outlet, a backwashing pipe inserted into the bottom of the filter filler is arranged in the shell, and the upper part of the shell is provided with a backwashing discharge port; the back flushing mechanism comprises a water tank communicated with a reverse osmosis concentrated water outlet of the membrane treatment mechanism, a water outlet is arranged at the lower part of the water tank, and the water outlet is communicated with a back flushing pipe.

2. A reverse osmosis concentrated water utilizing apparatus according to claim 1, characterized in that: the water outlet is communicated with a water outlet pipe, and the middle part of the water outlet pipe is provided with an ultraviolet sterilizer.

3. A reverse osmosis concentrated water utilizing apparatus according to claim 2, characterized in that: and the water outlet pipe is communicated with a water supplementing pipe between the water tank and the ultraviolet sterilizer, and the water supplementing pipe is provided with a water supplementing valve.

4. A reverse osmosis concentrated water utilizing apparatus according to claim 3, wherein: the water tank is internally provided with a liquid level meter and further comprises a controller, the signal input end of the controller is used for receiving a liquid level signal of the liquid level meter, and the signal output end of the controller is used for controlling the opening and closing of the water replenishing valve.

5. A reverse osmosis concentrated water utilizing apparatus according to claim 2, characterized in that: a back washing pump is arranged between the ultraviolet sterilizer and the water outlet.

6. A reverse osmosis concentrated water utilization device according to claim 5, wherein: and a check valve is arranged at the water outlet end of the backwashing pump.

7. A reverse osmosis concentrated water utilizing apparatus according to claim 1, characterized in that: an overflow port is arranged on the water tank.