CN117566964A - Modularized integrated water purification treatment system - Google Patents

Modularized integrated water purification treatment system Download PDF

Info

Publication number
CN117566964A
CN117566964A CN202311836912.8A CN202311836912A CN117566964A CN 117566964 A CN117566964 A CN 117566964A CN 202311836912 A CN202311836912 A CN 202311836912A CN 117566964 A CN117566964 A CN 117566964A
Authority
CN
China
Prior art keywords
module
water
flocculation
back flushing
water purification
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311836912.8A
Other languages
Chinese (zh)
Inventor
邓帮武
李广宏
陈秀娟
周凯
黄青飞
谭明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Shunyu Water Affairs Co Ltd
Original Assignee
Anhui Shunyu Water Affairs Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Shunyu Water Affairs Co Ltd filed Critical Anhui Shunyu Water Affairs Co Ltd
Priority to CN202311836912.8A priority Critical patent/CN117566964A/en
Publication of CN117566964A publication Critical patent/CN117566964A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281—Installations for water purification using chemical agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/105—Phosphorus compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/12—Halogens or halogen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/38—Organic compounds containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/007—Modular design
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/02—Temperature
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/11—Turbidity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/14—NH3-N
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/16—Total nitrogen (tkN-N)
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/18—PO4-P
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/29—Chlorine compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention belongs to the technical field of water purification treatment, and particularly relates to a modularized integrated water purification treatment system. The treatment system comprises water purification treatment equipment and an external dosing module of the equipment; the water purification treatment equipment comprises a flocculation module, a precipitation module, a filtering module and a back flushing module which are sequentially connected, wherein each module is split or processed into integral equipment; the filtering module comprises a filtering tank and a sand filtering component or an ultrafiltration membrane component in the filtering tank; the dosing module comprises a pre-disinfection dosing device, a clear water disinfection dosing device and a flocculation medicament dosing device, wherein dosing ends of the pre-disinfection dosing device and the flocculation medicament dosing device are connected with the flocculation module, and the dosing ends of the clear water disinfection dosing device enter the back flushing module through a pipeline. According to the invention, each treatment module is integrated in the integrated equipment, the treatment modules can be flexibly arranged according to the quality of the inflow water, the outflow water is stable and reaches the standard, the construction period is short, and the operation cost is low.

Description

Modularized integrated water purification treatment system
Technical Field
The invention belongs to a water purification treatment system, and particularly relates to a modularized integrated water purification treatment system.
Background
In recent years, under the promotion of urban and rural water supply integration policies, high coverage rate is realized by most urban water supply, but the advantages of large and medium water purification plants are difficult to develop aiming at villages in mountain areas with scattered living and remote living, and at the moment, the small and medium integrated water purification equipment can fill the gap. Besides natural and geographical location factors, economic development level, water resource distribution and other factors determine that small centralized water supply and decentralized water supply projects are an important mode of rural water supply in the current stage and a certain period in the future.
The integrated water purifying system is used as the important component of small centralized water supply and distributed water supply, and has the technological steps of flocculation, precipitation, filtering and disinfection. The traditional flocculation is generally performed by mechanical stirring, the installed power is high, the maintenance period is short, and the frequent mechanical maintenance and repair are not easy to realize for rural areas or remote areas; the traditional filtering mode is mainly sand filtration, although the investment cost of the sand filtration process is low, the sand filtration has a certain limit on the quality of the inlet water, the sand filtration process is more suitable when the quality of the inlet water is better, the filtering effect of the inlet water with higher turbidity and large biomass such as algae is greatly reduced, the quality of the outlet water is greatly influenced by the fluctuation of the water quantity, and the removing effect of microorganisms such as bacteria is not ideal; when the water quality of the inflow water is poor, such as under the conditions of seasonal algae burst period inflow water, high turbidity inflow water and high bacteria/virus inflow water, the ultrafiltration membrane filtration can provide enough barriers for removing algae, colloid particles, microorganisms and the like, so that the outflow water is safe, stable and up to the standard. Therefore, in practical application, the water purification process should be selected according to the characteristics of raw water, the requirements of drinking water, the local topography, the economic conditions and other comprehensive factors.
The field needs to develop an integrated water purification treatment system which is safe, reliable, stable, up to standard, modularly customizable, short in construction period and low in operation cost.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a modularized integrated water purification treatment system which integrates different treatment processes into an integrated water purification device and simultaneously provides different treatment modules for different scenes to select or combine for use. On the premise of ensuring that the effluent reaches the standard, a sand filtration module or an ultrafiltration membrane filtration module is selected. The modularized integrated water purification treatment system has short manufacturing and installation time and low operation cost per ton of water.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a modularized integrated water purification treatment system comprises water purification treatment equipment and an external dosing module of the equipment; the water purifying treatment equipment comprises a flocculation module, a precipitation module, a filtering module and a back flushing module which are sequentially connected, wherein each module is split or processed into integral equipment; the filtering module comprises a filtering tank and a sand filtering component or an ultrafiltration membrane component in the filtering tank; the dosing module comprises a pre-disinfection dosing device, a clear water disinfection dosing device and a flocculation medicament dosing device, wherein dosing ends of the pre-disinfection dosing device and the flocculation medicament dosing device are connected with the flocculation module, and the dosing ends of the clear water disinfection dosing device enter a clear water tank of the back flushing module through a pipeline.
Preferably, the invention can select the equipment form of different module combinations according to the quality of the inflow water and the local topography, and the equipment forms can be combined into flocculation, precipitation, sand filtration and back flushing through the soft connection joints in series connection during the split; flocculation, precipitation, ultrafiltration membrane and back flushing; flocculation, precipitation, sand filtration and back flushing; flocculation, precipitation, ultrafiltration membrane and back flushing; flocculation, precipitation, sand filtration, ultrafiltration membrane, back flushing and the like.
Preferably, the flocculation module comprises a water inlet pump, a water inlet valve, a flowmeter, a water inlet quality on-line monitoring instrument, a pipeline mixer and a flocculation tank which are sequentially connected through a water inlet pipeline, wherein the pipeline mixer is connected with a water inlet of the flocculation tank, the flocculation tank adopts an unpowered grid flocculation tank, a grid plate is arranged in the flocculation tank, and the grid plate forms good cutting and flocculation conditions for water inlet through flow velocity change. The size of the grid plate can be specified and used according to specific design in water supply and drainage design manual.
Specifically, the pre-disinfection dosing device and the flocculation reagent dosing device of the dosing module are connected with a pipeline mixer of the flocculation module through pipeline valves.
Preferably, the sedimentation module comprises a rectifying plate, an effluent weir groove and an inclined tube filling pool, wherein the rectifying plate is vertically arranged at the joint of the sedimentation module and the flocculation module, the inclined tube filling pool is internally filled with inclined tube filling, the effluent weir groove is arranged above the pool wall, a mud bucket is arranged below the inclined tube filling pool, and a mud pipe valve is arranged in the middle of the mud bucket. The rectifying plate provided by the invention can slow down the flow velocity, reduce the impact of the effluent of the flocculation tank on the sludge at the bottom of the sedimentation tank, and simultaneously lead the water distribution to be more uniform
Preferably, the back flush module comprises a clean water tank, a back flush water pump is arranged outside the clean water tank, one end of the back flush water pump is connected with the filter module through a pipeline, the other end of the back flush water pump enters the clean water tank through a pipeline, and a water flush control valve is arranged between the filter module and the back flush water pump.
A fan is arranged outside the back flushing module and is connected with a gas distribution pipeline at the bottom of the filtering module through a gas back flushing pipeline, and a gas flushing control valve is arranged between the fan and the filtering module.
And the water outlet of the back flushing module is connected with an online monitoring instrument for the water quality of the discharged water through a water outlet pipeline. And a water control valve is arranged on a water outlet pipeline between the water outlet quality on-line monitoring instrument and the back flushing module.
Preferably, the sand filter assembly comprises a filter head, graded quartz sand and a matched pipe valve; the ultrafiltration membrane component comprises an ultrafiltration membrane element, a bracket, a suction pump, a water collecting pipeline, a water distribution pipeline, an air distribution pipeline and other matched pipe valves;
the volume of the clean water tank in the filtering module is determined according to the form of the filtering module, and when the sand filtering assembly is used for filtering, the volume of the clean water tank is the maximum daily treatment flow for more than 30 minutes; when the ultrafiltration membrane component is used for filtration, the volume of the clean water tank is the maximum daily treatment flow for more than 10 minutes. The ultrafiltration membrane component is a ceramic flat membrane, and the average pore diameter is 0.08-0.10 mu m.
When the back flushing module is used for back flushing, the back flushing mode is determined according to the form of the filtering module, and when the sand filtering assembly is used for filtering, the back flushing module runs for 4 to 12 hours and back flushing is carried out for 20 to 40 minutes; when the ultrafiltration membrane component is used for filtration, the ultrafiltration membrane is used for sucking for 15-30 minutes and back flushing for 0.5-2 minutes; the back flushing mode of the back flushing module can be any one or a combination of a plurality of water back flushing and air back flushing; the back flush water flow of the back flush module is 2 times of the running flow, and the back flush air quantity is 5-10L/(min.m) 2 Film and method for producing the same )。
The water outlet of the back flushing module is connected with an online water outlet quality monitoring instrument through a water outlet pipeline, and a water outlet control valve is arranged on the water outlet pipeline;
preferably, the on-line inlet water quality monitoring instrument and the on-line outlet water quality monitoring instrument are provided with monitoring probes, and the measurable parameters are temperature, pH, turbidity, ammonia nitrogen, total phosphorus, total nitrogen and COD Mn Any one or more of chlorophyll/cyanobacteria, residual chlorine and chlorine dioxide.
Preferably, the water purifying treatment equipment can be externally connected with a control module in a conventional manner, and comprises a power supply control cabinet and a PLC control cabinet. The control module can control the back flushing program, control the automatic start and stop of equipment, collect data and display functions through setting time, the liquid level height of the sand filter tank, the pressure difference of the ultrafiltration membrane component and other numerical values.
According to the invention, each treatment module is integrated in the integrated equipment, the treatment modules can be flexibly arranged according to the quality of the inflow water, the outflow water is stable and reaches the standard, the construction period is short, and the operation cost is low.
Compared with the prior art, the invention has the beneficial effects that:
1. the system can perform superposition combination of the process according to comprehensive factors such as raw water characteristics, drinking water requirements, local topography, economic conditions and the like, and forms a targeted product.
2. Different modules of the system can be well compatible, and the manufacturing cost and the manufacturing difficulty are saved.
Drawings
FIG. 1 is a schematic diagram of an ultrafiltration membrane water purification treatment system.
FIG. 2 is a schematic diagram of a sand filtration water treatment system.
In the figure: 1. flocculation module, 2, sedimentation module, 3, filtration module, 4, back flush module, 5, water inlet pump, 6, water inlet valve, 7, flowmeter, 8, water inlet quality on-line monitoring instrument, 9, pipeline mixer, 10, grid plate, 11, rectifying plate, 12, inclined tube filler pool, 13, water outlet weir groove, 14, mud bucket, 15-1, sand filtration assembly, 15-2, ultrafiltration membrane assembly, 16, disinfection dosing device, 17, clear water disinfection dosing device, 18, flocculation agent dosing device, 19, back flush water pump, 20, water washing control valve, 21, fan, 22, air washing control valve, 24, water outlet quality on-line monitoring instrument, 23, water outlet valve.
Detailed Description
The invention is further illustrated by the following examples:
example 1
Referring to fig. 1, a modular integrated water purification treatment system includes a water purification treatment apparatus and a dosing module external to the apparatus; the water purification treatment equipment comprises a flocculation module 1, a precipitation module 2, a filtering module 3 and a back flushing module 4 which are sequentially connected, wherein each module is split or processed into integral equipment; the filter module 3 comprises a filter tank and an ultrafiltration membrane component (15-2) in the filter tank; the dosing module comprises a pre-disinfection dosing device 16, a clear water disinfection dosing device 17 and a flocculation reagent dosing device 18, wherein dosing ends of the pre-disinfection dosing device 16 and the flocculation reagent dosing device 18 are connected with the flocculation module 1, and the dosing ends of the clear water disinfection dosing device 17 enter a clear water tank of the back flushing module 4 through a pipeline.
The flocculation module further comprises a water inlet pump 5, a water inlet valve 6, a flowmeter 7, a water inlet quality on-line monitoring instrument 8, a pipeline mixer 9 and a flocculation tank which are sequentially connected through a water inlet pipeline, wherein the pipeline mixer 9 is connected with a water inlet of the flocculation tank; the sum flocculation tank adopts an unpowered grid flocculation tank, a grid plate 10 is arranged in the flocculation tank, and the grid plate 10 forms good cutting and flocculation conditions for the inlet water through the change of flow velocity;
the sedimentation module 2 comprises a rectifying plate 11, an inclined pipe filling pool 12, an effluent weir groove 13 and a mud bucket 14; the rectifying plate 11 is vertically arranged at the joint of the sedimentation module 2 and the flocculation module 1, the inclined pipe filler pool 12 is internally filled with inclined pipe filler, the water outlet weir groove 13 is arranged above the pool wall, the mud bucket 14 is arranged below the inclined pipe filler pool 12, and a mud pipe valve is arranged in the middle of the mud bucket 14.
The membrane element of the ultrafiltration membrane filtration module is a ceramic flat membrane, and the average pore diameter is 0.08 mu m; the ultrafiltration membrane component comprises an ultrafiltration membrane element, a bracket, a suction pump, a water collecting pipeline, a water distribution pipeline, an air distribution pipeline and other matched pipe valves;
the dosing module comprises a pre-disinfection dosing device, a clear water disinfection dosing device and a flocculation medicament dosing device, and the pre-disinfection dosing device and the flocculation medicament dosing device are connected with a pipeline mixer through pipeline valves; the pre-disinfection medicament is sodium hypochlorite, the dosing concentration is 1mg/L, the clear water disinfection medicament is sodium hypochlorite, and the dosing concentration is 1mg/L; the flocculation reagent is polyaluminium chloride, and the dosing concentration is 25mg/L;
the back flush module 4 comprises a clean water tank, a back flush water pump 19 is arranged outside the clean water tank, one end of the back flush water pump 19 is connected with the filter module 3 through a pipeline, the other end of the back flush water pump enters the clean water tank through a pipeline, and a water flush control valve 20 is arranged between the filter module 3 and the back flush water pump. The outside of the back flush module 4 is provided with a fan 21, the fan 21 is connected with a gas distribution pipeline at the bottom of the ultrafiltration membrane component of the filter module 3 through a gas back flush pipeline, and a gas wash control valve 22 is arranged between the fan 21 and the filter module 3.
The back flush water pump 19 and the water flush control valve 20 are connected with a water distribution pipeline at the bottom of the ultrafiltration membrane component through water back flush pipelines, and the fan 21 and the air flush control valve 22 are connected with a water distribution pipeline at the bottom of the ultrafiltration membrane component through air back flush pipelines;
the clear water tank volume of the back flushing module 4 is the maximum daily treatment flow of more than 10 minutes;
the back flushing mode of the back flushing module 4 adopts gas-water combined back flushing, the water quantity is 2 times of the running flow, and the air quantity (namely the air quantity) is 7.5L/(min.m) 2 Film and method for producing the same )；
The back flushing mode is that the ultrafiltration membrane is used for sucking for 15 minutes and back flushing for 0.5 minutes;
the water outlet control valve 23 and the water outlet quality on-line monitoring instrument 24 are connected with the water outlet of the equipment and the water outlet pipeline through the water outlet pipeline;
the inlet water quality on-line monitoring instrument 8 is provided with a multi-parameter monitoring probe, and the monitorable parameters comprise pH, turbidity and chlorophyll;
the online effluent quality monitoring instrument 24 is provided with a multi-parameter monitoring probe, and the monitorable parameters comprise pH, turbidity and residual chlorine;
the water purification treatment equipment is externally connected with a control module according to a conventional mode and comprises a power supply control cabinet and a PLC control cabinet. The control module can control the back flushing program, control the automatic start and stop of equipment, collect data and display functions through setting time, the liquid level height of the sand filter tank, the pressure difference of the ultrafiltration membrane component and other numerical values.
When in use, the water purification treatment equipment is externally connected with a control module to set time (input: 15 minutes of running time and 0.5 minutes of back flushing) so as to control a back flushing program: closing the water inlet valve 6, closing the water outlet valve 23, opening the water washing control valve 20, opening the air washing control valve 22, opening the back flushing water pump 19, and opening the fan; after 0.5 minutes, the backwash procedure ended: closing a back flushing water pump 19, closing a fan, closing a water washing control valve 20, closing a gas washing control valve 22, opening a water inlet valve 6 and opening a water outlet valve 23;
the control module collects and displays water inlet parameters: pH, turbidity, chlorophyll; water outlet parameters: pH, turbidity, residual chlorine; the on-off state and fault display of each electric equipment; displaying the opening of the valve; clear water tank level.
The system of the embodiment is applied to the treatment of reservoir water in a certain area, and the water quality of inlet and outlet water is shown in table 1.
Table 1 example 1 system treatment of inlet and outlet water quality
Example 2
Referring to fig. 2, the rest is the same as in example 1, except that:
the filtering mode of the filtering module 3 is sand filtering, and the sand filtering component comprises a conventional filter head, graded quartz sand and a matched pipe valve;
the clear water tank volume of the back flushing module 4 is the maximum daily treatment flow of more than 30 minutes;
the back flushing mode of the back flushing module 4 adopts water back flushing, and the flushing strength is 14L/(s.m) 2 )；
The back flushing mode is that the back flushing is performed for 4 hours and 20 minutes.
When the water purifying device is used, the liquid level height (input: high liquid level value) and time of the sand filter are set through the control module externally connected with the water purifying treatment device, so that a back flushing program is controlled: when the liquid level reaches a high value, the water inlet valve 6 is closed, the water outlet valve 23 is closed, the water washing control valve 20 is opened, and the back flushing water pump 19 is opened; after 20 minutes, the backwash procedure ended: closing the back flushing water pump 19, closing the water washing control valve 20, opening the water inlet valve 6 and opening the water outlet valve 23;
the control module collects and displays water inlet parameters: pH, turbidity, chlorophyll; water outlet parameters: pH, turbidity, residual chlorine; the on-off state and fault display of each electric equipment; displaying the opening of the valve; the liquid level of the clean water tank; sand filter liquid level.
The system of the embodiment is applied to the treatment of reservoir water in a certain area, and the water quality of inlet and outlet water is shown in table 2.
Table 2 example 2 System for treating Water quality of Inlet and outlet Water

Claims (10)

1. The modularized integrated water purification treatment system is characterized by comprising water purification treatment equipment and an external dosing module of the equipment; the water purification treatment equipment comprises a flocculation module (1), a precipitation module (2), a filtering module (3) and a back flushing module (4) which are connected in sequence, wherein each module is split or processed into integral equipment; the filter module (3) comprises a filter tank and a sand filter assembly (15-1) or an ultrafiltration membrane assembly (15-2) in the filter tank; the dosing module comprises a pre-disinfection dosing device (16), a clear water disinfection dosing device (17) and a flocculation medicament dosing device (18), wherein dosing ends of the pre-disinfection dosing device (16) and the flocculation medicament dosing device (18) are connected with the flocculation module (1), and dosing ends of the clear water disinfection dosing device (17) enter a clear water tank of the back flushing module (4) through a pipeline.
2. The modular integrated water purification treatment system according to claim 1, wherein the flocculation module (1) comprises a water inlet pump (5), a water inlet valve (6), a flowmeter (7), a water inlet quality on-line monitoring instrument (8), a pipeline mixer (9) and a flocculation tank, which are sequentially connected through a water inlet pipeline, the pipeline mixer (9) is connected with a water inlet of the flocculation tank, and a grid plate (10) is arranged in the flocculation tank.
3. The modular integrated water purification treatment system according to claim 1, wherein the sedimentation module (2) comprises a rectifying plate (11) and an inclined tube filler pool (12), the rectifying plate (11) is vertically arranged at the joint of the sedimentation module (2) and the flocculation module (1), the inclined tube filler pool (12) is internally filled with inclined tube filler, the water outlet weir groove (13) is arranged above the pool wall, a mud bucket (14) is arranged below the inclined tube filler pool (12), and a mud pipe valve is arranged in the middle of the mud bucket (14).
4. The modular integrated water purification treatment system according to claim 1, wherein the back flush module (4) comprises a clean water tank, a back flush water pump (19) is arranged outside the clean water tank, one end of the back flush water pump (19) is connected with the filter module (3) through a pipeline, the other end of the back flush water pump enters the clean water tank through a pipeline, and a water flush control valve (20) is arranged between the filter module (3) and the back flush water pump.
5. The modularized integrated water purification treatment system according to claim 1, wherein a fan (21) is arranged outside the back flushing module (4), the fan (21) is connected with a gas distribution pipeline at the bottom of the filtering module (3) through a gas back flushing pipeline, and a gas washing control valve (22) is arranged between the fan (21) and the filtering module (3).
6. The modular integrated water purification system of claim 1, wherein the water outlet of the back flushing module (4) is connected to an on-line monitoring instrument (24) for the quality of the effluent through a water outlet pipeline.
7. The modular integrated water purification treatment system of claim 1, wherein when filtered using a sand filter assembly (15-1), the clear water basin volume of the backwash module (4) is a maximum daily treatment flow of greater than 30 minutes; when the ultrafiltration membrane component (15-2) is used for filtration, the clear water tank volume of the back flushing module (4) is the maximum daily treatment flow rate of more than 10 minutes.
8. A modular integrated water purification treatment system according to claim 1, wherein the ultrafiltration membrane module (15-2) is a ceramic flat membrane with an average pore size of 0.08 μm to 0.10 μm.
9. Modular integrated water treatment system according to claim 1, characterized in that the back flush mode is determined according to the form of the filtration module (3) when the back flush module (4) is back flushed, when a sand filter assembly (15-1) during filtration, the operation is carried out for 4 to 12 hours, and the back flushing is carried out for 20 to 40 minutes; when the ultrafiltration membrane component (15-2) is used for filtration, the ultrafiltration membrane is used for sucking for 15-30 minutes and back flushing for 0.5-2 minutes; the back flushing mode of the back flushing module (4) is any one or a combination of a plurality of water back flushing and air back flushing; the back flush water flow of the back flush module (4) is 2 times of the running flow, and the back flush air quantity is 5-10L/min.m 2 Film and method for producing the same 。
10. The modular integrated water purification system of claim 1, wherein the water purification device is externally connected to a control module comprising a power control cabinet and a PLC control cabinet.
CN202311836912.8A 2023-12-28 2023-12-28 Modularized integrated water purification treatment system Pending CN117566964A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311836912.8A CN117566964A (en) 2023-12-28 2023-12-28 Modularized integrated water purification treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311836912.8A CN117566964A (en) 2023-12-28 2023-12-28 Modularized integrated water purification treatment system

Publications (1)

Publication Number Publication Date
CN117566964A true CN117566964A (en) 2024-02-20

Family

ID=89886443

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311836912.8A Pending CN117566964A (en) 2023-12-28 2023-12-28 Modularized integrated water purification treatment system

Country Status (1)

Country Link
CN (1) CN117566964A (en)

Similar Documents

Publication Publication Date Title
CN211215583U (en) Porous sand filter suitable for mine water
CN102735811A (en) Automatic-cleaning water sample on-line monitoring device
CN207158963U (en) A kind of reverse osmose pure-water preparation system
CN111925032A (en) Water tank-free mutual-flushing water purification equipment and ultrafiltration membrane mutual-flushing control method
CN111661919A (en) Denitrification treatment system and method for denitrification deep bed filter
CN107285522A (en) Air-water back-flushing pressure type constant-speed contact filter and back-flushing method thereof
CN204981422U (en) Categorised advanced treatment unit of sewage treatment plant
CN207286902U (en) For improving the device of refinery's purification reusing rate
CN110845046A (en) Distributed drinking water deep treatment method and device
CN205088040U (en) Sewage treatment plant carries mark technological transformation degree of depth filtration system
CN117566964A (en) Modularized integrated water purification treatment system
CN106007040A (en) Heavy metal wastewater treatment system and method
CN203095694U (en) Standard-upgrading transformation integrated filter tank of sewage treatment plant
CN111825273B (en) Sewage treatment system for municipal drainage pipe network
CN215592773U (en) Integrated rural water supply treatment device
CN2194357Y (en) Waste water comprehensive purifying treatment equipment
CN204661466U (en) Mark sub-prime advanced treatment system is carried by sewage work
CN205295027U (en) Waste water innocent treatment system
CN211111200U (en) Immersed ultrafiltration membrane water purification treatment device for conventional pollution of drinking water
CN207499062U (en) Water supply installation
CN207845311U (en) A kind of cutting wastewater processing system
CN202988884U (en) Sewage treatment depth-type filtration device
CN206858414U (en) Desliming system waste water surplus flocculant regenerates and recycling device
CN216935508U (en) Online pure washing membrane device based on Internet of things
CN206915833U (en) Waste Water Treatment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination