Reclaimed water reuse integrated device

By combining reciprocating MBR membrane modules and RO devices, the problem of membrane fouling in membrane bioreactors has been solved, achieving efficient wastewater treatment and resource utilization, extending equipment life and ensuring effluent quality.

CN223509771UActive Publication Date: 2025-11-04CHANGZHOU KELIER ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202422935298.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-11-04
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Membrane fouling in membrane bioreactors leads to a decrease in membrane flux, affecting equipment operating efficiency and effluent quality. Existing backwashing and chemical cleaning methods have limited effectiveness.

Method used

The system employs reciprocating MBR membrane modules and RO devices, combined with controllers and detection components. It prevents membrane clogging through aeration pipes and uses ammonia-sensitive electrodes to monitor water quality, thereby achieving automated control and optimized treatment processes.

Benefits of technology

It improves the purification efficiency of the membrane, extends the equipment life, ensures stable effluent quality, and realizes efficient deep treatment and resource utilization of wastewater.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of reclaimed water reuse integrated devices, in particular to a reclaimed water reuse integrated device which comprises a water inlet assembly, a pretreatment assembly, an MBR (Membrane Bioreactor) reaction assembly, a post-treatment assembly, a detection assembly and a water storage and outlet assembly, raw water enters the water inlet assembly and then sequentially enters the pretreatment assembly, the MBR reaction assembly, the post-treatment assembly and the detection assembly, if the raw water is detected to be qualified, the raw water enters the water storage and outlet assembly and enters a user side, and if the raw water is detected to be unqualified, the raw water enters the pretreatment assembly, the MBR reaction assembly and the post-treatment assembly again. The reclaimed water reuse integrated device containing the reciprocating MBR and the RO has the advantages of high efficiency, energy conservation, environmental protection and the like, and can realize deep treatment and resource utilization of sewage.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a water reuse integrated device technical field, especially a water reuse integrated device. BACKGROUND

[0002] Water reuse integrated device, namely integrated water reuse equipment, is a kind of equipment using membrane bioreactor (Membrane Bioreactor, for short MBR) technology.This technology is a new process combining biological treatment technology and membrane separation technology, it replaces the secondary sedimentation tank in traditional process, can efficiently carry out solid-liquid separation, obtains stable water for direct use.Water reuse integrated device is mainly composed of raw water pretreatment system, biological reactor, membrane separation system, disinfection device and control system etc.Its technological process is roughly as follows: raw water enters the regulating tank through grid, then enters biological reactor through lifting pump, carries out the degradation of organic contaminant in biological reactor by the action of microorganism, effluent is subjected to solid-liquid separation by membrane separation system, finally enters water storage tank after being treated by disinfection device, is used for reuse.

[0003] Membrane treatment technology is the same as other filtration separation technologies, in the long-term operation process, membrane as a kind of filtration medium is easy to block, leading to the gradual decline of the water volume of membrane.Though effective backwash and chemical cleaning can slow down the decline of membrane flux, but membrane pollution problem is still the key factor influencing equipment operating efficiency and life, and the working process of integrated device needs to ensure the quality of effluent. CONTENT OF UTILITY MODEL

[0004] In order to overcome the existing deficiencies, the utility model provides a water reuse integrated device.

[0005] The utility model discloses a technical scheme that solves its technical problem is: a kind of reclaimed water reuse integrated device, including water inlet component, pretreatment component, MBR reaction component, post-treatment component, detection component, water storage and water outlet component;The water inlet component includes water intake well and grid, and water outlet pipe is connected pretreatment component;The pretreatment component includes regulating pool and booster pump, is connected with MBR reaction component by booster pump, and the MBR reaction component includes MBR reaction pool and circulating pump, and is connected post-treatment component by water outlet pipe;The post-treatment component includes disinfection device, primary RO device and secondary RO device, and is connected detection component by water outlet pipe;The detection component includes controller, detection pool, water thermometer, PH meter, dissolved oxygen meter, turbidimeter, conductivity meter and ammonia gas sensitive electrode, water thermometer, PH meter, dissolved oxygen meter, turbidimeter, conductivity meter and ammonia gas sensitive electrode are installed in detection pool and are electrically connected with controller, then are connected with pretreatment component, MBR reaction component, post-treatment component by water pump, and outlet is connected water storage and water outlet component;The water storage and water outlet component includes reclaimed water storage pool and reclaimed water water system, and reclaimed water storage pool is connected with detection component, and reclaimed water is transported to user end by reclaimed water water system;Raw water enters the water inlet component and sequentially enters pretreatment component, MBR reaction component, post-treatment component, detection component, and it is detected that it is qualified to enter water storage and water outlet component and enter user end, and it is detected that it is unqualified to re-enter pretreatment component, MBR reaction component, post-treatment component.

[0006] According to another embodiment of the utility model, further include, the inlet of water intake well is equipped with water inlet gate, top is equipped with overflow port, and water outlet is equipped with grid.

[0007] According to another embodiment of the utility model, further include, the regulating pool is equipped with dosing pump and agitator.

[0008] According to another embodiment of the utility model, further include, the MBR reaction pool is equipped with reciprocating MBR membrane group, and reciprocating MBR membrane group includes unit frame, membrane element, aeration pipe and air blower;The unit frame is equipped with membrane element, and top is equipped with water inlet, bottom is equipped with aeration pipe, and side is equipped with water outlet;The water inlet is connected pretreatment component, and is connected water outlet by circulating pump, and water outlet is connected post-treatment component;Aeration pipe is connected air blower.

[0009] According to another embodiment of the utility model, further include, the controller selects STM32 microcontroller, and is electrically connected with water thermometer, PH meter, dissolved oxygen meter, turbidimeter, conductivity meter and ammonia gas sensitive electrode, receives data signal, and outputs signal to water pump connected pretreatment component, MBR reaction component, post-treatment component, and data information is wirelessly transmitted with cloud server by 4G communication module.

[0010] According to another embodiment of the present application, further comprising, the ammonia gas sensitive electrode is installed in the liquid-filled plastic sleeve, and the signal conditioning circuit is connected to the controller.

[0011] According to another embodiment of the present application, further comprising, the liquid-filled plastic sleeve is provided with 0.1 mol / L ammonium chloride.

[0012] According to another embodiment of the present application, further comprising, the signal conditioning circuit comprises an operational amplifier CA3140 and an operational amplifier OP07, and the operational amplifier CA3140 and the operational amplifier OP07 are connected to the controller.

[0013] The water reuse integrated device with the reciprocating MBR and RO has the advantages of high efficiency, energy saving, environmental protection and the like, and can realize deep treatment and resource utilization of sewage. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described below in combination with the drawings and embodiments.

[0015] Figure 1 is a structural schematic view of the present application;

[0016] Figure 2 is a principle diagram of the present application;

[0017] Figure 3 is a structural schematic view of the MBR reaction assembly;

[0018] Figure 4 is a circuit principle diagram of the detection assembly;

[0019] Figure 5 is a circuit diagram of the main control module;

[0020] Figure 6 is a circuit diagram of the signal conditioning circuit.

[0021] In the drawings, 1 is an inlet assembly, 2 is a pretreatment assembly, 3 is an MBR reaction assembly, 4 is a post-treatment assembly, 5 is a detection assembly, and 6 is a water storage and outlet assembly. DETAILED DESCRIPTION

[0022] As Figure 1The utility model discloses a structure schematic drawing, a kind of reclaimed water reuse integrated device, including water inlet subassembly 1, pretreatment subassembly 2, MBR reaction subassembly 3, post-treatment subassembly 4, detection subassembly 5, water storage and water outlet subassembly 6;The water inlet subassembly 1 includes water intake well and grid, and water outlet pipe is connected pretreatment subassembly 2;The pretreatment subassembly 2 includes regulating pool and booster pump, is connected with MBR reaction subassembly 3 by booster pump, and the MBR reaction subassembly 3 includes MBR reaction pool and circulating pump, and is connected post-treatment subassembly 4 by water outlet pipe;The post-treatment subassembly 4 includes disinfection device, primary RO device and secondary RO device, and is connected detection subassembly 5 by water outlet pipe;The detection subassembly 5 includes controller, detection pool, water thermometer, PH meter, dissolved oxygen meter, turbidimeter, conductivity meter and ammonia gas sensitive electrode, and water thermometer, PH meter, dissolved oxygen meter, turbidimeter, conductivity meter and ammonia gas sensitive electrode are installed in detection pool and are electrically connected with controller, then are connected pretreatment subassembly 2, MBR reaction subassembly 3, post-treatment subassembly 4 by water pump, and outlet connects water storage and water outlet subassembly 6;The water storage and water outlet subassembly 6 includes reclaimed water storage pool and reclaimed water water system, and reclaimed water storage pool is connected with detection subassembly 5, and reclaimed water is transported to user end by reclaimed water water system;Raw water enters the water inlet subassembly 1 and enters pretreatment subassembly 2, MBR reaction subassembly 3, post-treatment subassembly 4, detection subassembly 5 in proper order, and enters water storage and water outlet subassembly 6 and enters user end if detection is qualified, and re-enters pretreatment subassembly 2, MBR reaction subassembly 3, post-treatment subassembly 4 if detection is unqualified.

[0023] According to another embodiment of the utility model, further include, the water inlet well's import place is equipped with water inlet gate, top is equipped with overflow port, and water outlet place is equipped with grid.

[0024] According to another embodiment of the utility model, further include, the regulating pool is equipped with dosing pump and agitator.

[0025] According to another embodiment of the utility model, further include, the MBR reaction pool is equipped with reciprocating MBR membrane group, and reciprocating MBR membrane group includes unit frame, membrane element, aeration pipe and air blower;The unit frame is equipped with membrane element, and top is equipped with water inlet, bottom is equipped with aeration pipe, and side is equipped with water outlet;The water inlet is connected pretreatment subassembly 2, and is connected water outlet by circulating pump, and water outlet is connected post-treatment subassembly 4;Aeration pipe is connected air blower.

[0026] Specifically, raw water enters through the water inlet, is purified through the membrane element, and is then output through the water outlet, and repeatedly purified through the membrane element by the circulating pump, after the membrane element filters and purifies sewage for a long time, the surface of the membrane element is easy to attach with precipitates and sundries, the air blower is opened, the air blower generates air pressure, enters into the aeration pipe, the aeration pipe discharges the air pressure through a group of through holes, so that the precipitates attached above the membrane assembly can be flushed, thereby preventing the precipitates and sundries from being blocked, and improving the purification efficiency.

[0027] According to another embodiment of the present application, further comprising, the controller selects STM32 microcontroller, and water temperature meter, PH meter, dissolved oxygen meter, turbidity meter, conductivity meter and ammonia gas sensitive electrode are electrically connected, receive data signal, output signal to the water pump connected with pretreatment assembly 2, MBR reaction assembly 3, post-processing assembly 4, through 4G communication module, data information and cloud server wireless transmission.

[0028] According to another embodiment of the present application, further comprising, the ammonia gas sensitive electrode is installed in the liquid-filled plastic sleeve, and is connected with the controller through the signal conditioning circuit.

[0029] According to another embodiment of the present application, further comprising, the liquid-filled plastic sleeve is provided with 0.1mol / L ammonium chloride.

[0030] According to another embodiment of the present application, further comprising, the signal conditioning circuit comprises operational amplifier CA3140 and operational amplifier OP07, and the controller is connected through the operational amplifier CA3140 and the operational amplifier OP07, as shown in the drawing, the high input impedance operational amplifier CA3140 acquires the weak signal of the ammonia gas sensitive electrode, and then the signal is amplified through the ultra-low offset dual-channel operational amplifier OP07, and the potentiometer R33 is used for zero adjustment. Figure 5

[0031] ​Specifically, the weak voltage signal of the measured object is obtained by using the ammonia gas sensitive electrode, and the voltage signal is converted, denoised, amplified and the like by using the signal conditioning circuit, and after the processing is completed, it is sent to the A / D converter of the controller; secondly, the controller sends the processed data to the cloud server through the 4G communication module; finally, the controller controls the water pump to send the reclaimed water into the pretreatment assembly 2, the MBR reaction assembly 3, the post-treatment assembly 4 or the water storage and water outlet assembly 6 according to the data of the water temperature meter, the pH meter, the dissolved oxygen meter, the turbidity meter, the conductivity meter and the ammonia gas sensitive electrode; wherein the ammonia gas sensitive electrode is used as a sensor, and the electrode is placed in a liquid-filled plastic sleeve containing 0.1 mol / L ammonium chloride, and cooperates with the pH glass electrode to measure the ammonia nitrogen content in the water body.

[0032] The specific operation process is as follows: open the water inlet gate, make the raw water enter the water inlet well, start the grid, intercept and clean the sundries; start the stirring device and the dosing pump in the adjusting tank, make the sewage mix uniformly, adjust the pH value, and then start the lifting pump to lift the sewage to the MBR reaction tank; start the aerator to provide oxygen for the microorganisms in the MBR reaction tank, the microorganisms degrade the organic pollutants in the reactor, and the membrane assembly separates the sludge and water, the circulating pump is started to circulate the water in the MBR reaction tank to the membrane assembly, and the treatment efficiency is improved; the MBR effluent enters the disinfection device for disinfection treatment, and the disinfected water enters the primary RO device for reverse osmosis treatment, according to the needs, the secondary RO device can be selectively started for further purification; the water in the post-treatment country enters the detection tank, the water temperature meter, the pH meter, the dissolved oxygen meter, the turbidity meter, the conductivity meter and the ammonia gas sensitive electrode are monitored, and the qualified water is sent to the water storage and water outlet assembly 6 into the user end through the controller; the unqualified water reenters the pretreatment assembly 2, the MBR reaction assembly 3 and the post-treatment assembly 4.

[0033] The above description is only illustrative but not restrictive for the utility model, and those skilled in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope defined by the appended claims, and all will fall within the protection scope of the utility model.

Claims

1. An integrated device for water reuse, characterized by, The application relates to a water treatment system, which comprises a water inlet assembly (1), a pretreatment assembly (2), an MBR reaction assembly (3), a post-treatment assembly (4), a detection assembly (5) and a water storage and outlet assembly (6); the water inlet assembly (1) comprises a water inlet well and a grid, and an outlet pipe is connected with the pretreatment assembly (2); the pretreatment assembly (2) comprises an adjusting tank and a lifting pump, is connected with the MBR reaction assembly (3) through the lifting pump, the MBR reaction assembly (3) comprises an MBR reaction tank and a circulating pump, and is connected with the post-treatment assembly (4) through an outlet pipe; the post-treatment assembly (4) comprises a disinfection device, a primary RO device and a secondary RO device, and is connected with the detection assembly (5) through an outlet pipe; the detection assembly (5) comprises a controller, a detection tank, a water temperature meter, a PH meter, a dissolved oxygen meter, a turbidity meter, a conductivity meter and an ammonia gas sensitive electrode, the water temperature meter, the PH meter, the dissolved oxygen meter, the turbidity meter, the conductivity meter and the ammonia gas sensitive electrode are installed in the detection tank and are electrically connected with the controller, then the detection assembly (5) is connected with the pretreatment assembly (2), the MBR reaction assembly (3) and the post-treatment assembly (4) through a water pump, and an outlet is connected with the water storage and outlet assembly (6); the water storage and outlet assembly (6) comprises a reclaimed water storage tank and a reclaimed water system, the reclaimed water storage tank is connected with the detection assembly (5), and the reclaimed water is delivered to a user end through the reclaimed water system; raw water enters the water inlet assembly (1) and then enters the pretreatment assembly (2), the MBR reaction assembly (3), the post-treatment assembly (4) and the detection assembly (5) in sequence, qualified water enters the water storage and outlet assembly (6) and then enters the user end, and unqualified water reenters the pretreatment assembly (2), the MBR reaction assembly (3) and the post-treatment assembly (4).

2. The integrated device for greywater reuse according to claim 1, wherein A water inlet gate is arranged at the inlet of the water inlet well, an overflow port is arranged at the top of the water inlet well, and a grid is arranged at the water outlet.

3. The integrated device for water reuse according to claim 1, wherein A dosing pump and a stirrer are arranged on the adjusting tank.

4. The integrated device for water reuse according to claim 1, wherein A reciprocating MBR membrane group is arranged in the MBR reaction tank, the reciprocating MBR membrane group comprises a unit frame, a membrane element, an aeration pipe and a blower; the unit frame is provided with the membrane element, a water inlet is arranged at the top of the unit frame, an aeration pipe is arranged at the bottom of the unit frame, and a water outlet is arranged at the side of the unit frame; the water inlet is connected with the pretreatment assembly (2) and is connected with the water outlet through a circulating pump, the water outlet is connected with the post-treatment assembly (4), and the aeration pipe is connected with the blower.

5. The integrated device for greywater reuse according to claim 1, wherein The controller is selected from STM32 microcontrollers, is electrically connected with the water temperature meter, the PH meter, the dissolved oxygen meter, the turbidity meter, the conductivity meter and the ammonia gas sensitive electrode, receives data signals, outputs signals to the water pump connected with the pretreatment assembly (2), the MBR reaction assembly (3) and the post-treatment assembly (4), and wirelessly transmits data information to a cloud server through a 4G communication module.

6. The integrated device for greywater reuse according to claim 1, wherein The ammonia gas sensitive electrode is arranged in a liquid-filled plastic sleeve and is connected with the controller through a signal conditioning circuit.

7. The integrated device for water reuse according to claim 6, wherein 0.1 mol / L ammonium chloride is arranged in the liquid-filled plastic sleeve.

8. The integrated device for water reuse according to claim 6, wherein The signal conditioning circuit comprises an operational amplifier CA3140 and an operational amplifier OP07 and is connected with the controller.