Reverse osmosis concentrated water recycling device

By using multiple treatment and buffering mechanisms to treat and buffer concentrated wastewater, the problems of insufficient concentrated wastewater treatment effect and large discharge impact are solved, thereby improving the water resource recycling rate and equipment lifespan.

CN224258336UActive Publication Date: 2026-05-19山东中大环境科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
山东中大环境科技有限公司
Filing Date
2025-06-20
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing reverse osmosis concentrate recovery and utilization devices cannot perform multiple treatments, resulting in insufficient treatment effect. Furthermore, the impact force of concentrate discharge is too large, which can easily splash and damage the equipment.

Method used

It employs multiple treatment mechanisms and a slow-flow mechanism, using reverse osmosis plates and buffer plates to perform multiple treatments and buffered discharge of concentrated water, slowing down the discharge flow rate of concentrated water and preventing equipment damage.

Benefits of technology

It achieves the step-by-step removal of pollutants in concentrated water, improves the water resource recycling rate, extends the service life of equipment, and stabilizes system pressure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of water recycling, in particular to a reverse osmosis concentrated water recycling device. The device comprises a support frame, a mounting frame arranged at the top of the support frame, a treatment mechanism, a flow slowing mechanism and a treatment barrel, the processing mechanism is arranged on the inner side of the mounting frame; the slow flow mechanism is arranged at the bottom of the treatment mechanism; the processing barrel is arranged on the inner side of the mounting frame. Through the arrangement of the treatment mechanism, concentrated water is introduced into the reverse osmosis plate through the water inlet pipe, so that the concentrated water is treated, the treated concentrated water flows into the next treatment barrel through the circulating pipe, and the treated clean water flows out through the water passing pipe and is collected, so that multiple treatments are realized; in this way, pollutants of different types and concentrations in the concentrated water can be removed step by step, the content of the pollutants in the concentrated water is further reduced, meanwhile, more water can reach the recycling standard, and therefore the recycling rate of water resources is increased.
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Description

Technical Field

[0001] This utility model relates to the field of water recycling technology, and in particular to a reverse osmosis concentrate recycling device. Background Technology

[0002] Reverse osmosis (RO) systems are a commonly used wastewater treatment system. When existing RO systems are completed, they produce pure water and concentrated water. Concentrated water refers to wastewater, sewage, and waste liquid generated during industrial production. A reverse osmosis concentrated water recovery and utilization device is a device used to treat high-salinity wastewater discharged from RO systems, aiming to improve water resource utilization, reduce wastewater discharge, and lower operating costs.

[0003] Chinese Patent No. CN220703333U discloses a water-saving device for recycling and reusing reverse osmosis concentrate, including a concentrate recovery tank. A water inlet is located on the left side of the outer surface of the concentrate recovery tank. A precision filter is installed on the right side of the concentrate recovery tank. A drain pipe and valve are installed on the surface of the precision filter. A composite filter is installed on the right side of the precision filter. A reverse osmosis device is installed on the right side of the composite filter. A secondary reverse osmosis concentrate tank is installed on the right side of the reverse osmosis device. An outlet is located on the right surface of the secondary reverse osmosis concentrate tank. The outlet can be piped into a sludge dilution tank and a filter cloth cleaning tank in a drying workshop, alleviating water shortages, greatly saving water resources, and reducing production costs. Shock-absorbing components are fixedly installed on the bottom surfaces of both the concentrate recovery tank and the pure water tank.

[0004] However, the above-mentioned publicly available solutions have the following shortcomings: the existing reverse osmosis concentrate recovery and utilization devices cannot perform multiple treatments on the concentrate during use, resulting in insufficient final treatment effect of the concentrate and wasting water resources. At the same time, the concentrated water is easily splashed everywhere due to the excessive impact force when it is discharged after treatment, which affects the equipment. Utility Model Content

[0005] The purpose of this invention is to address the problems in the prior art where multiple treatments of concentrate are not possible and the flow rate of concentrate discharge is slowed down, by proposing a reverse osmosis concentrate recycling device.

[0006] The technical solution of this utility model: a reverse osmosis concentrate recovery and utilization device, including a support frame and a mounting frame disposed on the top of the support frame; further comprising:

[0007] The treatment unit, located inside the mounting frame, is used for multiple recovery treatments of concentrated wastewater.

[0008] The flow-slowing mechanism is located at the bottom of the treatment unit and is used to buffer and discharge the recycled concentrate.

[0009] The equipment includes a treatment cylinder, which is located inside the mounting frame. Multiple treatment cylinders are arranged at equal intervals on the mounting frame. A circulation pipe is installed at the bottom of each treatment cylinder. The two adjacent treatment cylinders are connected by a connecting pipe. The top of each connecting pipe is used to receive the concentrated water after treatment by the previous treatment cylinder, and the bottom is used to discharge the concentrated water into the next treatment cylinder, thereby achieving multiple treatments.

[0010] Preferably, the treatment mechanism includes a treatment component and an emission component;

[0011] The treatment unit is located inside the treatment cylinder and is used for reverse osmosis treatment of the concentrate.

[0012] The discharge assembly is located at the bottom of the bottom treatment tank and is used to discharge the concentrated wastewater after multiple treatments.

[0013] Preferably, the treatment components include a separator ring, an inlet, an inlet pipe, and a reverse osmosis plate;

[0014] A separator ring is located at the end of the treatment cylinder. A water inlet pipe is located at the end of the separator ring away from the treatment cylinder. A water inlet is located at the end of the treatment cylinder. A reverse osmosis plate is located inside the treatment cylinder. A water pipe is located inside the reverse osmosis plate.

[0015] Preferably, the discharge assembly includes a waste liquid pipe and a central pipe;

[0016] The waste liquid pipe is located at the bottom of the treatment cylinder, and the collection pipe is located at the end of the waste liquid pipe furthest from the treatment cylinder.

[0017] Preferably, the flow-slowing mechanism includes a flow-slowing box, a fixing frame, and a flow-slowing component;

[0018] The fixed frame is located on the side of the support frame, and the flow buffer is located at the end of the fixed frame away from the support frame;

[0019] The flow buffer component is located inside the flow buffer box and is used to buffer the flow of concentrated water during discharge, thereby slowing down the discharge flow rate of concentrated water.

[0020] Preferably, the flow-retarding assembly includes a fixed shaft, a buffer plate, a fixed plate, and a flow guide plate;

[0021] A fixed shaft is located inside the flow-retarding box, and a buffer plate is rotatably located outside the fixed shaft. A straight slide rail is located at the bottom of the buffer plate, and a second fixed block is slidably located inside the straight slide rail. A first fixed block is located on the side of the second fixed block, and a connecting plate is located at the bottom of the first fixed block. A telescopic rod is located at the bottom of the connecting plate, and a spring is located on the outside of the telescopic rod. A fixed plate is located at the bottom of the telescopic rod, and both ends of the fixed plate are connected to the inside of the flow-retarding box. A guide plate is located at the bottom of the flow-retarding box.

[0022] Compared with the prior art, the present invention has the following beneficial technical effects:

[0023] 1. Through the design of the treatment mechanism, concentrated water is introduced into the reverse osmosis plate through the inlet pipe for treatment. The treated concentrated water then flows into the next treatment tank through the circulation pipe, while the treated clean water flows out and is collected through the water outlet pipe. This multi-stage treatment removes different types and concentrations of pollutants from the concentrated water step by step, further reducing the pollutant content. After multiple treatments, the residual amount of pollutants in the concentrated water is significantly reduced, making the treated water closer to or meeting the reuse standards. This also avoids performance degradation or failure caused by excessive load in a single treatment stage, and enables more water to meet the reuse standards, thereby improving the water resource recycling rate.

[0024] 2. By setting up a flow-slowing mechanism, the treated concentrate impacts the flow-slowing plate. Under the action of springs and telescopic rods, the flow-slowing plate reduces the impact force of the concentrate, thereby slowing down the flow speed of the concentrate for collection. This can avoid causing greater impact and wear to the collection equipment, such as pipes and valves, and extend the service life of the equipment. At the same time, it can make the system pressure more stable and reduce the impact of pressure fluctuations on equipment and pipelines. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0026] Figure 2 This is a schematic diagram of the processing mechanism;

[0027] Figure 3 This is a schematic diagram of the flow control mechanism;

[0028] Figure 4 for Figure 3 An enlarged diagram of A in the diagram.

[0029] Reference numerals in the attached drawings: 1. Support frame; 2. Mounting frame; 301. Treatment cylinder; 302. Separating ring; 303. Inlet; 304. Inlet pipe; 305. Reverse osmosis plate; 306. Water pipe; 307. Circulation pipe; 308. Waste liquid pipe; 309. Centralized pipe; 401. Flow buffer box; 402. Fixing frame; 403. Fixing shaft; 404. Buffer plate; 405. Fixing plate; 406. Guide plate; 407. Fixing block one; 408. Telescopic rod; 409. Spring; 410. Connecting plate; 411. Straight slide rail; 412. Fixing block two. Detailed Implementation

[0030] Example 1

[0031] like Figures 1-2As shown, the present invention proposes a reverse osmosis concentrate recycling device, which includes a support frame 1, an installation frame 2 disposed on the top of the support frame 1, a processing mechanism, a flow slowing mechanism, and a processing cylinder 301.

[0032] The treatment unit is located inside the mounting frame 2 and is used for multiple recovery treatments of concentrated wastewater.

[0033] The slow-flow mechanism is located at the bottom of the treatment unit and is used to buffer and discharge the recycled concentrate.

[0034] The treatment cylinder 301 is located inside the mounting frame 2. Multiple treatment cylinders 301 are arranged at equal intervals on the mounting frame 2. A circulation pipe 307 is provided at the bottom of the treatment cylinder 301. The two adjacent treatment cylinders 301 are connected by a connecting pipe. The top of each connecting pipe is used to receive the concentrated water after treatment by the previous treatment cylinder 301, and the bottom is used to discharge the concentrated water into the next treatment cylinder 301, thereby realizing multiple treatments.

[0035] The treatment system includes a treatment component and a discharge component. The treatment component is located inside the treatment cylinder 301 and is used for reverse osmosis treatment of the concentrate. The discharge component is located at the bottom of the bottom treatment cylinder 301 and is used to discharge the concentrated wastewater after multiple treatments. The treatment component includes a separator ring 302, an inlet 303, an inlet pipe 304, and a reverse osmosis plate 305. The separator ring 302 is located at the end of the treatment cylinder 301, and the inlet pipe 304 is located at the end of the separator ring 302 away from the treatment cylinder 301. The inlet 303 is located at the end of the treatment cylinder 301. The reverse osmosis plate 305 is located inside the treatment cylinder 301, and a water pipe 306 is located inside the reverse osmosis plate 305. The water pipe 306 has multiple filter holes for discharging the treated and usable wastewater. Water is permeated into the water pipe 306 and then discharged through the water pipe 306. Concentrated water is discharged into the separator ring 302 through the inlet pipe 304. Water in the separator ring 302 flows into the reverse osmosis plate 305 through the inlet 303. The reverse osmosis plate 305 is spirally arranged, so the concentrated water is treated under the action of the reverse osmosis plate 305. The clean water after treatment flows into the water pipe 306, while the remaining concentrated water flows into the next treatment cylinder 301 through the circulation pipe 307 for further treatment. The discharge assembly includes a waste liquid pipe 308 and a collection pipe 309. The waste liquid pipe 308 is located at the bottom of the treatment cylinder 301, and the collection pipe 309 is located at the end of the waste liquid pipe 308 away from the treatment cylinder 301. The concentrated water after multiple treatments flows into the waste liquid pipe 308 and then into the collection pipe 309 for discharge.

[0036] Example 2

[0037] like Figures 3-4As shown, this utility model proposes a reverse osmosis concentrate recovery and utilization device. Compared with Embodiment 1, this embodiment details the structure of the slow-flow mechanism.

[0038] The flow-slowing mechanism includes a flow-slowing box 401, a fixed frame 402, and a flow-slowing component; the fixed frame 402 is disposed on the side of the support frame 1, and the flow-slowing box 401 is disposed at the end of the fixed frame 402 away from the support frame 1; the flow-slowing component is disposed inside the flow-slowing box 401 and is used to buffer the flow during concentrated water discharge and slow down the flow rate of the concentrated water discharge. The flow-retarding assembly includes a fixed shaft 403, a buffer plate 404, a fixed plate 405, and a guide plate 406. The fixed shaft 403 is located inside the flow-retarding box 401, and the buffer plate 404 is rotatably located outside the fixed shaft 403. A straight slide rail 411 is provided at the bottom of the buffer plate 404, and a second fixed block 412 is slidably arranged inside the straight slide rail 411. A first fixed block 407 is provided on the side of the second fixed block 412, and a connecting plate 410 is provided at the bottom of the first fixed block 407. A telescopic rod 408 is provided at the bottom of the connecting plate 410, and a spring 409 is provided on the outside of the telescopic rod 408. The fixed plate 405... 5 is set at the bottom of the telescopic rod 408, the two ends of the fixing plate 405 are connected to the inner side of the slow flow box 401, and the guide plate 406 is set at the bottom of the slow flow box 401. The concentrated water is discharged into the slow flow box 401 through the central pipe 309. The central pipe 309 is located directly above the uppermost slow flow plate. Therefore, the slow flow plate buffers the impact force of the concentrated water under the action of the spring 409 and the telescopic rod 408, and makes the slow flow plate rotate to a certain extent, thereby guiding the concentrated water to the next buffer plate 404, thereby gradually reducing the impact force of the concentrated water discharge, and finally collecting it together through the guide plate 406.

[0039] In summary, when this utility model is used, the concentrated water is discharged into the separator ring 302 through the inlet pipe 304. The water in the separator ring 302 flows into the reverse osmosis plate 305 through the inlet 303. The concentrated water is treated by the reverse osmosis plate 305. The clean water after treatment flows through the filter holes into the water pipe 306 and is collected after flowing out through the water pipe 306. The remaining concentrated water flows into the next treatment cylinder 301 through the circulation pipe 307 for the next stage of treatment. The concentrated water after multiple treatments flows into the waste liquid pipe 308 and then flows into the centralized treatment cylinder 301. The concentrated water is discharged into the buffer tank 401 for treatment through pipe 309. The concentrated water impacts the top buffer plate, which is buffered by spring 409 and telescopic rod 408. The buffer plate also rotates to a certain extent. During the rotation, fixed block 2 412 slides on the straight slide rail 411 and rotates on fixed block 1 407, which compresses telescopic rod 408 and spring 409, thereby guiding the concentrated water to the next buffer plate 404. This gradually reduces the impact force of the concentrated water discharge, and finally it is collected by the guide plate 406.

[0040] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A reverse osmosis concentrate recovery and utilization device, comprising a support frame (1) and a mounting frame (2) disposed on the top of the support frame (1); characterized in that, Also includes: The treatment unit is located inside the mounting frame (2) and is used for multiple recycling treatment of concentrated water. The flow-slowing mechanism is located at the bottom of the treatment unit and is used to buffer and discharge the recycled concentrate. The equipment includes a treatment cylinder (301), which is located inside the mounting frame (2). Multiple treatment cylinders (301) are arranged at equal intervals on the mounting frame (2). A circulation pipe (307) is provided at the bottom of each treatment cylinder (301). The two adjacent treatment cylinders (301) are connected by a connecting pipe. The top of each connecting pipe is used to receive the concentrated water after treatment by the previous treatment cylinder (301), and the bottom is used to discharge the concentrated water into the next treatment cylinder (301), thereby achieving multiple treatments.

2. The reverse osmosis concentrate recovery and utilization device according to claim 1, characterized in that, The treatment system includes treatment components and emission components; The treatment component is located inside the treatment cylinder (301) and is used to perform reverse osmosis treatment on the concentrate. The discharge assembly is located at the bottom of the bottom treatment tank (301) and is used to discharge the concentrated wastewater after multiple treatments.

3. The reverse osmosis concentrate recovery and utilization device according to claim 2, characterized in that, The treatment components include a separation ring (302), an inlet (303), an inlet pipe (304), and a reverse osmosis plate (305); A separator ring (302) is provided at the end of the treatment cylinder (301). A water inlet pipe (304) is provided at the end of the separator ring (302) away from the treatment cylinder (301). A water inlet (303) is provided at the end of the treatment cylinder (301). A reverse osmosis plate (305) is provided inside the treatment cylinder (301). A water passage pipe (306) is provided inside the reverse osmosis plate (305).

4. The reverse osmosis concentrate recovery and utilization device according to claim 2, characterized in that, The discharge assembly includes a waste liquid pipe (308) and a central pipe (309); The waste liquid pipe (308) is located at the bottom of the treatment cylinder (301), and the collection pipe (309) is located at the end of the waste liquid pipe (308) away from the treatment cylinder (301).

5. The reverse osmosis concentrate recovery and utilization device according to claim 1, characterized in that, The flow control mechanism includes a flow control box (401), a fixing frame (402), and flow control components; The fixed frame (402) is located on the side of the support frame (1), and the flow buffer (401) is located at the end of the fixed frame (402) away from the support frame (1); The flow buffer component is located inside the flow buffer box (401) to buffer the flow of concentrated water during discharge and slow down the discharge flow rate of concentrated water.

6. The reverse osmosis concentrate recovery and utilization device according to claim 5, characterized in that, The flow control assembly includes a fixed shaft (403), a buffer plate (404), a fixed plate (405), and a flow guide plate (406); A fixed shaft (403) is located inside the flow-retarding box (401), a buffer plate (404) is rotatably located outside the fixed shaft (403), a straight slide rail (411) is located at the bottom of the buffer plate (404), a second fixed block (412) is slidably located inside the straight slide rail (411), a first fixed block (407) is located on the side of the second fixed block (412), a connecting plate (410) is located at the bottom of the first fixed block (407), a telescopic rod (408) is located at the bottom of the connecting plate (410), a spring (409) is located on the outside of the telescopic rod (408), a fixed plate (405) is located at the bottom of the telescopic rod (408), both ends of the fixed plate (405) are connected to the inside of the flow-retarding box (401), and a guide plate (406) is located at the bottom of the flow-retarding box (401).