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CN-121990716-A - Intelligent water management system

CN121990716ACN 121990716 ACN121990716 ACN 121990716ACN-121990716-A

Abstract

The invention discloses an intelligent water management system which comprises a management system and a purification system, wherein the purification system comprises a biological corridor tank, the biological corridor tank comprises a plurality of single tanks, a water inlet valve, a water outlet valve, an aeration valve, a stirrer and a sludge pump which are communicated with the inside of each single tank are respectively arranged in each single tank, the water inlet valve is respectively communicated with an outlet of a sand sedimentation tank through a water inlet pipeline, the water outlet valve is communicated with an inlet of a magnetic coagulation tank, the aeration valve is communicated with a blower through an aeration pipeline, the management system is configured to control the plurality of single tanks to circularly operate according to the same process cycle, the process cycle sequentially comprises a water inlet stage, an anaerobic stage, a first aerobic stage, an anoxic stage, a second aerobic stage, a sedimentation stage and a water outlet stage, and at least one single tank is in the water outlet stage when the single tank is in the water inlet stage. The continuous water inlet and the continuous water outlet are realized, the flow fluctuation is greatly stabilized, and the running stability and the overall efficiency of the system are improved.

Inventors

  • LUO FUWEN
  • Zhong Kanghe
  • MA FENG
  • Hou Ronghuo
  • HUANG DONGYUE
  • HUANG CHAOYI
  • LI YAJIN
  • SHEN YUJUE
  • Zou Qiuyun
  • YANG JIANGYI
  • WANG KE
  • CHEN TIANCAI
  • CAO LIBIN
  • XIANG HAIHONG
  • YANG PENG
  • CHEN QUCHENG

Assignees

  • 广东琴澳水务环境有限公司

Dates

Publication Date
20260508
Application Date
20260228

Claims (9)

  1. 1. The intelligent water management system is characterized by comprising a management system and a purification system, wherein the purification system comprises a coarse grid tank (10), a fine grid tank (20), a sand setting tank (30), a biological gallery tank (40), a magnetic coagulation tank (50), a filter tank (60) and a disinfection tank (70) which are sequentially communicated along the flow direction of wastewater, the biological gallery tank (40) comprises a plurality of single tanks, each single tank is respectively provided with a water inlet valve (V1), a water outlet valve (V2), an aeration valve (V3), a stirrer (41) and a sludge pump (42) which are communicated with the inside of the single tank, the water inlet valves (V1) are respectively communicated with the outlet of the sand setting tank (30) through water inlet pipes (45), the water outlet valves (V2) are communicated with the inlet of the magnetic coagulation tank (50), the aeration valves (V3) are communicated with an aeration device (47) and a blower (43) through aeration pipes (44), and the sludge pumps (42) are communicated with a sludge storage tank (80) through sludge pipes (46); The management system is configured to control a plurality of single cells to circularly operate according to the same process cycle, wherein the process cycle sequentially comprises a water inlet stage, an anaerobic stage, a first aerobic stage, an anoxic stage, a second aerobic stage, a precipitation stage and a water outlet stage, and the process cycles of the plurality of single cells are controlled to be staggered in time sequence, so that when at least one single cell enters the water inlet stage, at least one other single cell enters the water outlet stage.
  2. 2. The intelligent water management system of claim 1, wherein, within each process cycle, the devices within each cell are configured to: in the water inlet and anaerobic stage, a water inlet valve (V1) and a stirrer (41) are opened; In the first aerobic stage, a water inlet valve (V1) is kept open, a stirrer (41) is closed, and an aeration valve (V3) is opened; In the anoxic stage, a water inlet valve (V1) is kept to be opened, an aeration valve (V3) is closed, and a stirrer (41) is opened; in the second aerobic stage, a water inlet valve (V1) is kept open, a stirrer (41) is closed, an aeration valve (V3) is opened, and the water inlet valve (V1) is closed after a preset time period is continued; the sedimentation stage is that an aeration valve (V3) and a stirrer (41) are closed; and in the water outlet stage, the water outlet valve (V2) is opened for water discharge, and the water outlet valve (V2) is closed after water discharge is completed.
  3. 3. The intelligent water management system of claim 1, wherein the total duration consumed by the water intake and anaerobic phases, the first aerobic phase, the anoxic phase, the second aerobic phase, and the precipitation phase is consistent with the duration consumed by the water outlet phase.
  4. 4. The intelligent water management system according to claim 3, wherein at least three single tanks are provided, the water outlet period is long as T, and the cycle starting time of the three single tanks is different by T/6 in sequence.
  5. 5. The intelligent water management system of claim 1, wherein the management system is configured to adjust a duration parameter of one or more stages in the process cycle based on feedback of a quality of incoming water or a quality of outgoing water parameter.
  6. 6. The intelligent water management system according to claim 1, further comprising an on-line water quality monitoring unit disposed in each cell for monitoring in real time a water quality parameter of the corresponding cell at the end of the sedimentation phase or the outlet phase, the management system being configured to extend or shorten a duration of the first aerobic phase and/or the second aerobic phase of the next process cycle or to adjust an aeration intensity according to the water quality parameter of the outlet phase.
  7. 7. The intelligent water management system of claim 6, wherein the management system is configured to: maintaining a reference phase for each single cell, wherein the reference phase defines the preset end time of the water outlet stage of the single cell in an ideal cooperative state; when the predicted water outlet end time of a certain cell and the reference phase generate deviation time length due to the adjustment of the aerobic stage time length, and the deviation time length exceeds a preset threshold value; and in the process period, the actual water outlet end time of the single tank is returned to the reference phase by adjusting the duration of one or more non-critical phases.
  8. 8. The intelligent water management system of claim 7, wherein the non-critical phases include a water intake and anaerobic phase, an anoxic phase, and/or a sedimentation phase.
  9. 9. The intelligent water management system of claim 8, wherein the management system is configured to select the non-critical phases to be regulated in order of preference precipitation phase > anoxic phase > water intake and anaerobic phase.

Description

Intelligent water management system Technical Field The application relates to the technical field of sewage treatment, in particular to an intelligent water management system. Background With the acceleration of urban process and the increasingly strict environmental protection requirements, the efficiency and stability of sewage treatment facilities face higher challenges. The traditional continuous flow sewage treatment plant has long process flow, large occupied area and high capital construction and operation cost. The sequencing batch activated sludge process (SBR) and its modification processes (e.g. CASS, ICEAS, etc.) simplify the process by completing the stages of water intake, reaction, precipitation, water discharge, etc. in time sequence in the same reactor, but when continuous water supply is processed, multiple tanks are usually required to be connected in parallel and switched in sequence, and there is still room for improvement in the overall processing efficiency, impact load resistance and flexibility of operation control. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the invention proposes: The intelligent water management system comprises a management system and a purification system, wherein the purification system comprises a coarse grid tank, a fine grid tank, a sand setting tank, a biological gallery tank, a magnetic coagulation tank, a filter tank and a disinfection tank which are sequentially communicated along the flow direction of wastewater, the biological gallery tank comprises a plurality of single tanks, each single tank is respectively provided with a water inlet valve, a water outlet valve, an aeration valve, a stirrer and a sludge pump which are communicated with the inside of the biological gallery tank, the water inlet valves are respectively communicated with the outlet of the sand setting tank through water inlet pipes, the water outlet valves are communicated with the inlet of the magnetic coagulation tank, the aeration valves are communicated with a blower through aeration pipes, and the sludge pump is communicated with a sludge storage tank through sludge pipes; the management system is configured to control a plurality of single cells to circularly operate according to the same process cycle, wherein the process cycle sequentially comprises a water inlet stage, an anaerobic stage, a first aerobic stage, an anoxic stage, a second aerobic stage, a precipitation stage and a water outlet stage, and the process cycles of the plurality of single cells are controlled to be staggered in time sequence, so that at least one single cell is in the water inlet stage and at least one other single cell is in the water outlet stage. The technical scheme adopted by the embodiment of the invention for solving the technical problems is that in each process period, the equipment in each single cell is configured as follows: a water inlet valve and a stirrer are opened in the water inlet and anaerobic stage; In the first aerobic stage, a water inlet valve is kept to be opened, a stirrer is closed, and an aeration valve is opened; In the anoxic stage, the water inlet valve is kept to be opened, the aeration valve is closed, and the stirrer is started; The second aerobic stage, which is to keep the water inlet valve open, close the stirrer, open the aeration valve, and close the water inlet valve after a preset period of time; In the precipitation stage, the aeration valve and the stirrer are closed; in the water outlet stage, a water outlet valve is opened for water discharge, and the water outlet valve is closed after water discharge is completed; And when one of the at least two single tanks enters the water inlet and anaerobic stage, the other single tank enters the water outlet stage. The technical scheme adopted by the embodiment of the invention for solving the technical problems is that the total time spent by the water inlet and anaerobic stage, the first aerobic stage, the anoxic stage, the second aerobic stage and the sedimentation stage is consistent with the time spent by the water outlet stage. The total time spent by the water inlet and anaerobic phases, the first aerobic phase, the anoxic phase, the second aerobic phase and the sedimentation phase is set to be consistent with the time spent by the water outlet phase. So that each single cell can be immediately connected with the water-up and water-down stage after completing a complete biochemical and sedimentation stage, and the cycle time of a plurality of single cells can be matched and cooperated conveniently. The technical scheme adopted by the embodiment of the invention for solving the technical problems is that the management system is configured to adjust the duration time parameter of one or more stages in the process cycle according to the feedback of the water quality of the inlet water or the water quality parameter