CN216303517U - RO concentrated water recycling system - Google Patents
RO concentrated water recycling system Download PDFInfo
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- CN216303517U CN216303517U CN202123156411.4U CN202123156411U CN216303517U CN 216303517 U CN216303517 U CN 216303517U CN 202123156411 U CN202123156411 U CN 202123156411U CN 216303517 U CN216303517 U CN 216303517U
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Abstract
The utility model relates to the technical field of water purification, and discloses an RO concentrated water recycling system which comprises a filtering and softening system, a soft water storage unit and an RO reverse osmosis unit which are sequentially communicated, wherein an RO concentrated water discharge pipe and a pure water discharge pipe are connected to the RO reverse osmosis unit, and an RO concentrated water recycling assembly is communicated to the RO concentrated water discharge pipe. The utility model solves the problems of low recycling rate of RO concentrated water and high water purification cost in the water purification equipment in the prior art.
Description
Technical Field
The utility model relates to the technical field of water purification, in particular to a recycling system for RO concentrated water.
Background
The integrated soft water and pure water treatment equipment can realize the compatible production and supply of soft water and pure water, has the advantages of reducing the production and operation cost of equipment, saving the equipment placing space, facilitating the equipment maintenance and management, improving the water resource utilization rate and the like compared with the traditional pure water treatment equipment and soft water treatment equipment, and is widely applied to hospitals, factories and families in recent years. In obtaining pure water, soft water is generally filtered by an RO reverse osmosis unit, wherein a part of the soft water is filtered by a reverse osmosis membrane in the RO reverse osmosis unit to form pure water, and corresponding to water which does not pass through the reverse osmosis membrane, RO concentrated water is formed because the part of the water contains impurities with higher concentration.
In the existing integrated soft water and pure water treatment equipment on the market, in order to improve the water utilization rate and reduce the discharge amount of RO concentrated water, a plurality of stages of RO reverse osmosis units are generally arranged, and part of concentrated water generated by a previous stage of RO reverse osmosis unit is discharged into a next stage of RO reverse osmosis unit as raw water so as to recycle part of RO concentrated water. In this way, although the amount of the RO concentrated water generated can be reduced to some extent, since the raw water of the next RO reverse osmosis unit is injected with part of the RO concentrated water, the impurity concentration in the raw water is increased, and thus the consumption of the reverse osmosis membranes of the next and the subsequent RO reverse osmosis units is serious, and the cost of purified water is increased, it is necessary to find a new way to solve the problems of low recycling rate of the RO concentrated water and high cost of purified water.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a recycling system of RO concentrated water, which solves the problems of low recycling rate of the RO concentrated water and high water purification cost in a water purification device in the prior art.
In order to solve the problems, the utility model adopts the following technical scheme: the RO concentrated water recycling system comprises a filtering and softening system, a soft water storage unit and an RO reverse osmosis unit which are sequentially communicated, wherein an RO concentrated water discharge pipe and a pure water discharge pipe are connected to the RO reverse osmosis unit, and an RO concentrated water recycling assembly is communicated to the RO concentrated water discharge pipe.
The principle of the scheme is as follows: in this application, filter and soften the system and be used for carrying out the prefilter to the running water and obtain soft water, soft water storage unit is used for temporarily storing soft water, and RO reverse osmosis unit is used for carrying out reverse osmosis to soft water and filters, through RO reverse osmosis unit's filtration back, by pure water discharge pipe discharge pure water, by the concentrated water discharge pipe discharge RO concentrated water of RO to carry out recycle by the concentrated water recovery subassembly of RO with all RO concentrated water that produce.
The beneficial effect of this scheme lies in:
1. can avoid the concentrated water of RO extravagant: compared with the prior art, the RO concentrated water is directly discharged as wastewater, so that the resource waste is caused. In this application, utilize the concentrated water recovery subassembly of RO to carry out recycle to the concentrated water of all RO that produce, reduce extravagantly.
2. Effectively reducing the loss of the reverse osmosis membrane: in this application, owing to utilize the concentrated water recovery subassembly of RO to carry out recycle to the concentrated water of RO who produces, in the system that sets up multistage RO reverse osmosis unit, can avoid the concentrated water of RO that produces the previous stage as the raw water and discharge in the RO reverse osmosis unit of next stage to greatly reduce the loss of reverse osmosis membrane in the one-level RO reverse osmosis unit, effectively practice thrift the cost.
3. Effectively reducing the loss of the RO reverse osmosis unit: in this application, owing to set up and filter the system of softening, carry out the prefilter to the water that helps in the RO reverse osmosis unit, effectively reduce the impurity that gets into the aquatic of RO reverse osmosis unit to make RO reverse osmosis unit can carry out reverse osmosis better and filter, prolong reverse osmosis membrane's life.
4. Have soft water buffer memory function: in the application, the soft water obtained by filtering the soft water regeneration unit is temporarily stored by the soft water storage unit, so that the speed of soft water generated by filtering the soft water regeneration unit is not influenced, and the soft water regeneration unit can continuously generate soft water; on the other hand, the soft water storage unit is used for storing the generated soft water, so that the soft water can be conveniently taken at any time, and the soft water storage unit is very convenient to use.
Preferably, as an improvement, the RO concentrated water recovery assembly comprises a concentrated water collection tank, the concentrated water collection tank is connected with a concentrated water recovery pipe, and the concentrated water recovery pipe is fixedly connected with a concentrated water delivery pump.
In the scheme, the concentrated water collecting box is used for collecting the generated RO concentrated water, and the collected RO concentrated water can be conveyed to a use place for use by utilizing the concentrated water recovery pipe and the concentrated water conveying pump.
Preferably, as an improvement, soft water storage unit includes the soft water conveyer pipe and connects gradually soft water storage tank and soft water delivery pump on the soft water conveyer pipe, the soft water conveyer pipe communicates between softening regeneration subassembly and RO reverse osmosis unit, and the intercommunication has soft water to utilize the pipe on the soft water conveyer pipe.
In this scheme, utilize soft water delivery pump to go into the soft water pump in the soft water storage tank and carry out reverse osmosis filtration to RO reverse osmosis unit department, can also utilize soft water to utilize the pipe to draw the soft water out simultaneously and use to mill, hospital and family.
Preferably, as an improvement, the filtration and softening system comprises a quartz sand filter, an activated carbon filter, a softening and regeneration treatment tank and a cartridge filter which are connected in sequence, and the soft water conveying pipe is connected between the cartridge filter and the RO reverse osmosis unit.
In this scheme, utilize quartz sand filter, active carbon filter, soften regeneration treatment jar and safety filter to filter the running water in proper order to obtain soft water fast and conveniently, simple structure.
Preferably, as an improvement, the washing device further comprises a washing water storage tank which is simultaneously communicated with the quartz sand filter, the activated carbon filter and the softening regeneration treatment tank, the washing water storage tank is communicated with a washing conveying pipe, and the washing conveying pipe is fixedly connected with a washing conveying pump.
Because the quartz sand filter, the activated carbon filter and the softening regeneration treatment tank need to be leached after being used for a period of time so as to keep good filtering performance of each device, leaching water is collected in a centralized manner by arranging the leaching delivery pipe, and the part of water can be used for environmental sanitation washing and the like, so that the water resource is fully utilized, and leaching discharge water is generated periodically, and the controllability is strong.
Preferably, as an improvement, a leaching return pipe is connected between the leaching water storage tank and the RO reverse osmosis unit.
The RO reverse osmosis unit also needs to be leached after being used for a period of time, so that the reverse osmosis membrane has good filtering performance.
Preferably, as an improvement, the softening regeneration treatment tank is communicated with a salt tank.
In this scheme, utilize the salt jar in time to supply salt to softening regeneration treatment jar for softening regeneration treatment jar can long-time stable work.
Preferably, as an improvement, the RO reverse osmosis unit comprises a reverse osmosis cylinder and a reverse osmosis membrane fixedly connected in the reverse osmosis cylinder, the reverse osmosis cylinder is provided with a concentrated water outlet and a pure water outlet, the pure water outlet is communicated with the pure water outlet, the RO concentrated water outlet and the rinsing water return pipe are communicated with the concentrated water outlet, the RO concentrated water outlet is fixedly connected with a first switch valve, and the rinsing water return pipe is fixedly connected with a second switch valve.
In the scheme, the RO concentrated water discharge pipe or the leaching return water pipe can be in a communicated state by opening and closing the first switch valve and the second switch valve. When the reverse osmosis membrane is in a working state, the first switch valve is opened and the second switch valve is closed, so that the generated RO concentrated water can be introduced into the RO concentrated water discharge pipe; when the RO reverse osmosis unit is cleaned on line, the first switch valve can be closed and the second switch valve can be opened, so that the leached water is discharged into the leaching water storage tank through the leaching return pipe and is recycled.
Preferably, as an improvement, a check valve is fixedly connected to the soft water delivery pipe.
In this scheme, through fixed connection check valve on soft water conveyer pipe, avoid the soft water refluence.
Preferably, as an improvement, a soft water mixing pipe is communicated between the soft water storage unit and the RO concentrated water recovery module, and a third on/off valve is fixedly connected to the soft water mixing pipe.
The inventor finds that the soft water is used for cleaning the workpiece or the medical instrument made of corrosion-resistant materials (such as stainless steel), the cleaning quality and the finish degree of the workpiece or the medical instrument are favorably improved, the soft water is used in the links of water pump operation, pipeline water delivery and the like, the damage caused by scale accumulation can be avoided, the service life of related equipment and a water delivery pipeline can be favorably prolonged, in the domestic water process, the soft water is soft and comfortable in hand feeling, washed tableware and clothes are cleaner, the scale can be prevented, a water pipe and water equipment are protected, and the skin can be well washed by the soft water for a long time; meanwhile, except that sodium ions in the RO concentrated water are obviously higher than that of soft water, the content of other impurities and the physicochemical property of the RO concentrated water are not obviously different from those of the soft water, the ion milling decontamination effect for cleaning is better than that of the soft water, and a stainless steel appliance can be cleaned to be bright as new even without adding a cleaning agent.
Therefore, in the scheme, the soft water mixing pipe is communicated between the soft water storage unit and the RO concentrated water recovery assembly, and soft water can be directly conveyed to the RO concentrated water recovery assembly by the soft water mixing pipe, so that RO concentrated water recovered by the RO concentrated water recovery assembly can be preferentially used in the actual use process, the RO concentrated water is used for initial cleaning of factory stainless steel workpieces, hospital stainless steel medical instruments and household stainless steel living appliances, and when the amount of the RO concentrated water in the mixing water storage tank is insufficient, the third switch valve on the soft water mixing pipe is opened to supplement the soft water to the RO concentrated water recovery assembly, the soft water can be effectively supplemented in time when the RO concentrated water is insufficient, the sufficient state of the amount of the cleaning water is ensured to be kept constantly, and the use requirement is met more.
Drawings
Fig. 1 is a schematic diagram of a first embodiment of the utility model.
Fig. 2 is a schematic view of a reverse osmosis cartridge according to a first embodiment of the present invention.
Fig. 3 is a schematic diagram of a second embodiment of the utility model.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a reverse osmosis cylinder body 1, a water inlet 101, a concentrated water outlet 102, a pure water outlet 103, a pure water outlet 2, an RO concentrated water outlet 3, a first switch valve 4, a concentrated water collecting tank 5, a concentrated water recycling pipe 6, a concentrated water delivery pump 7, a quartz sand filter 8, an activated carbon filter 9, a softening regeneration treatment tank 10, a security filter 11, a salt tank 12, a soft water delivery pipe 13, a soft water storage tank 14, a soft water delivery pump 15, a check valve 16, a soft water utilization pipe 17, a fourth switch valve 18, a leaching storage tank 19, a leaching delivery pipe 20, a leaching delivery pump 21, a leaching return pipe 22, a second switch valve 23, a soft water mixing pipe 24 and a third switch valve 25.
Example one
The first embodiment is substantially as shown in figures 1 and 2: the RO concentrated water recycling system comprises a filtering and softening system, a soft water storage unit and an RO reverse osmosis unit which are sequentially communicated, wherein the RO reverse osmosis unit comprises a reverse osmosis cylinder body 1 and a reverse osmosis membrane arranged in the reverse osmosis cylinder body 1 (as the reverse osmosis membrane is arranged in the reverse osmosis cylinder body 1 with a cylindrical structure and belongs to the conventional technology in the field, the specific installation mode of the reverse osmosis membrane is not described again), a water inlet 101 is arranged at the left end of the reverse osmosis cylinder body 1, a concentrated water outlet 102 and a pure water outlet 103 are formed at the right end of the reverse osmosis cylinder body 1, a pure water outlet pipe 2 is communicated with the pure water outlet 103, an RO concentrated water outlet 3 is communicated with the concentrated water outlet 102, and a first switch valve 4 is arranged on the RO concentrated water outlet 3; the RO concentrated water recovery assembly comprises a concentrated water collection tank 5 communicated with the RO concentrated water discharge pipe 3, a concentrated water recovery pipe 6 is installed on the concentrated water collection tank 5, a concentrated water delivery pump 7 is fixedly connected to the concentrated water recovery pipe 6, and the RO concentrated water collected in the concentrated water collection tank 5 can be pumped to a use place by the concentrated water delivery pump 7 for recovery and utilization.
As shown in fig. 1, the filtering and softening system includes a quartz sand filter 8, an activated carbon filter 9, a softening and regeneration treatment tank 10 and a cartridge filter 11 which are connected in sequence, the softening and regeneration treatment tank 10 is communicated with a salt tank 12, the salt tank 12 is used for supplementing salt to the softening and regeneration treatment tank 10, and the filtering and softening system can be used for primary filtration of tap water (also called hard water). The soft water storage unit includes soft water conveyer pipe 13 and connects gradually soft water storage tank 14 and soft water delivery pump 15 on soft water conveyer pipe 13, wherein soft water conveyer pipe 13 communicates between the water inlet 101 of cartridge filter 11 and reverse osmosis barrel 1, there is check valve 16 through screw fixedly connected with on the soft water conveyer pipe 13, soft water delivery pump 15 is located between soft water storage tank 14 and the reverse osmosis barrel 1, it utilizes pipe 17 to still communicate on the soft water delivery pump 15 simultaneously has the soft water, install fourth switch valve 18 on the soft water utilizes pipe 17.
The washing system is characterized by further comprising a washing water storage tank 19 which is simultaneously communicated with the quartz sand filter 8, the activated carbon filter 9 and the softening regeneration treatment tank 10, and by utilizing the washing water storage tank 19, washing water in the washing process of the quartz sand filter 8, the activated carbon filter 9 and the softening regeneration treatment tank 10 can be collected, a washing conveying pipe 20 is communicated with the washing water storage tank 19, and a washing conveying pump 21 is fixedly installed on the washing conveying pipe 20; meanwhile, a leaching return pipe 22 is communicated between the leaching water tank and the concentrated water outlet 102 at the right end of the reverse osmosis cylinder 1 in fig. 2, and a second switch valve 23 is installed on the leaching return pipe 22.
The specific implementation process is as follows:
the inventor finds that the soft water is used for cleaning the workpiece or the medical instrument made of the corrosion-resistant material (such as stainless steel), the cleaning quality and the smoothness of the workpiece or the medical instrument are favorably improved, the soft water is used in the links of water pump operation, pipeline water delivery and the like, the damage caused by accumulation of scale can be avoided, the service life of related equipment and water delivery pipelines is favorably prolonged, in the domestic water process, the soft water is soft and comfortable in hand feeling, washed tableware and clothes are cleaner, the scale can be prevented, a water protection pipe and water equipment are protected, and the long-term soft water bathing is better for the skin. Meanwhile, except that sodium ions in the RO concentrated water are obviously higher than that of soft water, the content of other impurities and the physicochemical property of the RO concentrated water are not obviously different from those of the soft water, the ion grinding decontamination effect of the RO concentrated water is better than that of the softened water, and a stainless steel appliance can be washed to be bright as new even without adding a cleaning agent. Therefore, soft water and RO concentrated water can be respectively utilized in the scheme, which specifically comprises the following steps:
when carrying out water filtration, at first pour into the running water into and filter the system of softening and carry out the prefiltration in, quartz sand filter 8, activated carbon filter 9, soften regeneration treatment jar 10 and safety filter 11 and filter the running water in proper order and obtain the soft water, the soft water is carried at first to soft water storage water tank 14 by soft water conveyer pipe 13 and is kept in, when needs use the soft water, open soft water delivery pump 15, can utilize the soft water pump that keeps in the soft water storage water tank 14 to go into in soft water utilizes pipe 17 or reverse osmosis barrel 1, when needs directly utilize soft water to wash corrosion-resistant material (like the stainless steel) work piece, medical instrument, tableware, clothing or when bathing, can open the fifth ooff valve, directly utilize pipe 17 discharge soft water by the soft water to supply the use.
When the soft water in the soft water storage tank 14 is pumped into the reverse osmosis cylinder 1, the reverse osmosis membrane re-filters the soft water, the water that fails to permeate the reverse osmosis membrane forms RO concentrated water, the water that permeates the reverse osmosis membrane forms pure water, the RO concentrated water is discharged into the concentrated water collection tank 5 through the RO concentrated water discharge pipe 3, and the pure water is discharged through the pure water discharge pipe 2. The RO concentrated water that enters into the concentrated water collecting tank 5 is temporarily stored, and when a stainless steel workpiece of a factory, a stainless steel medical instrument of a hospital and a stainless steel household appliance of a family need to be cleaned by the RO concentrated water, the RO concentrated water can be pumped to a place of use only by turning on the concentrated water delivery pump 7.
After the quartz sand filter 8, the activated carbon filter 9, the softening regeneration treatment tank 10, the cartridge filter 11 and the reverse osmosis cylinder 1 are used for a period of time, regular online cleaning is needed to keep good filtering performance of each device, cleaning water is directly introduced into each device to clean the filtering position in the cleaning process, the cleaned rinsing water is intensively collected by the rinsing water storage tank 19 after cleaning, and then the collected rinsing water can be pumped to use places such as environmental sanitation washing by the rinsing delivery pump 21 and the rinsing delivery pipe 20.
Example two
The difference between the second embodiment and the second embodiment is that: as shown in fig. 3, in the present embodiment, a soft water mixing pipe 24 is connected between the soft water supply pump 15 and the concentrated water collection tank 5, and a third switching valve 25 is fixedly installed on the soft water mixing pipe 24.
In the embodiment, since the soft water mixing pipe 24 is communicated between the soft water delivery pump 15 and the concentrated water collection tank 5, and the soft water in the soft water storage tank 14 can be directly delivered into the concentrated water collection tank 5 by using the soft water mixing pipe 24, during the actual use process, the RO concentrated water recovered by the RO concentrated water discharge pipe 3 can be preferentially used, and the RO concentrated water is used for the initial cleaning of factory stainless steel workpieces, hospital stainless steel medical instruments and household stainless steel living appliances, and when the amount of the RO concentrated water in the concentrated water collection tank 5 is insufficient (especially in the occasion that the amount of the hospital cleaning water is very large, the condition is very easy to occur), the third switch valve 25 on the soft water mixing pipe 24 is opened to supplement the RO soft water into the concentrated water collection tank 5, so that the soft water can be effectively supplemented in time when the RO concentrated water is insufficient, and the RO concentrated water can be ensured to be fully recovered and used, the using amount of soft water can be effectively reduced, the sufficient state of the amount of cleaning water can be kept all the time, and the using requirement is met.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
- Concentrated water recycle system of RO, its characterized in that: including the filtration softening system, soft water storage unit and the RO reverse osmosis unit that communicate in proper order, be connected with RO concentrated water discharge pipe and pure water discharge pipe on the RO reverse osmosis unit, the intercommunication has the concentrated water recovery subassembly of RO on the concentrated water discharge pipe of RO.
- 2. An RO concentrate recycling system according to claim 1, characterized in that: the RO concentrated water recovery assembly comprises a concentrated water collecting box, a concentrated water recovery pipe is connected to the concentrated water collecting box, and a concentrated water delivery pump is fixedly connected to the concentrated water recovery pipe.
- 3. An RO concentrate recycling system according to claim 2, characterized in that: soft water storage unit includes the soft water conveyer pipe and connects gradually soft water storage water tank and soft water delivery pump on the soft water conveyer pipe, the soft water conveyer pipe communicates between softening regeneration subassembly and RO reverse osmosis unit, and the intercommunication has soft water to utilize the pipe on the soft water conveyer pipe.
- 4. An RO concentrate recycling system according to claim 3, characterized in that: the filtering and softening system comprises a quartz sand filter, an activated carbon filter, a softening and regenerating treatment tank and a security filter which are sequentially connected, and the soft water conveying pipe is connected between the security filter and the RO reverse osmosis unit.
- 5. An RO concentrate water recovery system according to claim 4, characterized in that: the washing device is characterized by further comprising a washing water storage tank which is simultaneously communicated with the quartz sand filter, the activated carbon filter and the softening regeneration treatment tank, a washing conveying pipe is communicated with the washing water storage tank, and a washing conveying pump is fixedly connected to the washing conveying pipe.
- 6. An RO concentrate water recycling system according to claim 5, characterized in that: and a leaching return pipe is connected between the leaching water storage tank and the RO reverse osmosis unit.
- 7. An RO concentrate recycling system according to claim 6, characterized in that: the softening regeneration treatment tank is communicated with a salt box.
- 8. An RO concentrate recycling system according to claim 6, characterized in that: the RO reverse osmosis unit comprises a reverse osmosis cylinder body and a reverse osmosis membrane fixedly connected in the reverse osmosis cylinder body, a concentrated water outlet and a pure water outlet are formed in the reverse osmosis cylinder body, a pure water outlet pipe is communicated with the pure water outlet, an RO concentrated water outlet pipe and a leaching return pipe are both communicated with the concentrated water outlet, a first switch valve is fixedly connected to the RO concentrated water outlet pipe, and a second switch valve is fixedly connected to the leaching return pipe.
- 9. An RO concentrate recycling system according to claim 8, characterized in that: the soft water delivery pipe is fixedly connected with a one-way valve.
- 10. An RO concentrate recycling system according to any one of claims 1 to 9, characterized in that: and a soft water mixing pipe is communicated between the soft water storage unit and the RO concentrated water recovery assembly, and a third switch valve is fixedly connected to the soft water mixing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123156411.4U CN216303517U (en) | 2021-12-14 | 2021-12-14 | RO concentrated water recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123156411.4U CN216303517U (en) | 2021-12-14 | 2021-12-14 | RO concentrated water recycling system |
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| Publication Number | Publication Date |
|---|---|
| CN216303517U true CN216303517U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123156411.4U Active CN216303517U (en) | 2021-12-14 | 2021-12-14 | RO concentrated water recycling system |
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| CN (1) | CN216303517U (en) |
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2021
- 2021-12-14 CN CN202123156411.4U patent/CN216303517U/en active Active
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