CN109368838A - Microfiltration systems water treatment technology - Google Patents
Microfiltration systems water treatment technology Download PDFInfo
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- CN109368838A CN109368838A CN201811556921.0A CN201811556921A CN109368838A CN 109368838 A CN109368838 A CN 109368838A CN 201811556921 A CN201811556921 A CN 201811556921A CN 109368838 A CN109368838 A CN 109368838A
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- 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
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- 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
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- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
-
- 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
-
- 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
- C02F2201/005—Valves
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- 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]
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- 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
- C02F2209/40—Liquid flow rate
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- 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
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- 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 present invention provides a kind of microfiltration systems water treatment technologies, are related to water treatment technology field, comprising the following steps: water inlet program, positive washing procedure, drainage procedure, backwash procedure, cleaning procedure, shutdown procedure；By keeping micro-filtration tank hydraulically full, automatic Valve for washing is opened after hydraulically full, make to remain in the dirt discharge in filtering layer, production water quality after ensuring, the filtered water inlet of filtering layer is discharged by liquid outlet, gas is entered in micro-filtration tank by the second jet pipe, filtering layer filtrate more than second jet pipe is cleaned, gas is entered in micro-filtration tank by the first jet pipe, filtering layer filtrate more than first jet pipe is cleaned, it alleviates traditional membranous system needs existing in the prior art and repeats at periodic or other desired investment replacement membrane module, routine work also needs to shut down medicament cleaning offline, the technical issues of influencing working efficiency, realizing water treatment technology can use for a long time, replacement filter assemblies are not needed, improve the technical effect of water treatment work efficiency.
Description
Technical field
The present invention relates to water treatment technology fields, more particularly, to a kind of microfiltration systems water treatment technology.
Background technique
In some technical bottlenecks of sewage treatment field long-term existence, due to the presence of these technical bottlenecks, so that a part of
Sewage treatment plant is difficult to status up to standard there is backward in technique, faces investment height again if implementing technological transformation or operating cost is high
Obstacle, under increasingly stringent sewage treatment situation, processing index be continuously improved situation under, how to capture technology bottle
Neck, it is the common requirements in industry that new technology is introduced in sewage treatment process.
Stably reaching standard is difficult to using traditional sand filtration, while power consumption water consumption is larger when backwash, can be stablized using film filtering
Up to standard, membranous system can guarantee to be discharged indicator of suspended solids qualification.
But the technical bottleneck of film be with using the time and flux depression, it is high using the water treatment technology price of membranous system
Expensive, membranous system needs repeat at periodic or other desired investment replacement membrane module, and routine work also needs to shut down medicament cleaning offline, influence work effect
Rate.
The information disclosed in the background technology section is intended only to deepen the understanding to general background technology of the present invention, without
It should be considered as recognizing or implying in any form that the information constitutes the prior art known in those skilled in the art.
Summary of the invention
The purpose of the present invention is to provide a kind of microfiltration systems water treatment technologies, to alleviate biography existing in the prior art
The membranous system water treatment technology of system is expensive, and membranous system needs repeat at periodic or other desired investment replacement membrane module, and routine work also needs
It is offline to shut down the technical issues of medicament cleans, influences working efficiency.
Microfiltration systems water treatment technology provided by the invention, comprising the following steps:
Water inlet program: opening the manual modulation valve and automatic water inlet valve on feed liquor branch pipe, and water inlet is entered by feed liquor branch pipe
Into micro-filtration tank, so that water inlet is full of micro-filtration tank, the filtering layer in micro-filtration tank is filtered water inlet；
Positive washing procedure: opening automatic Valve for washing, and filtered liquid is discharged by blowdown general pipeline, will remain in filtering layer
Dirt discharge；
Drainage procedure: the manual water outlet valve and automatic outletting valve of backwash tube road, filtered liquid in micro-filtration tank are opened
Body is discharged by liquid outlet；
Backwash procedure: opening the second automatic blowdown valve on sewage pipe, and settlement funnel leads to the dirt that filtering layer filtrate adsorbs
Sewage pipe discharge is crossed, feeder is opened and automatic outletting valve, gas and water source passes through the second jet pipe and counter-flushing pipeline respectively
It enters in micro-filtration tank, so that the dirt in micro-filtration tank more than the second jet pipe is discharged by settlement funnel and sewage pipe；
Cleaning procedure: the automatic backflushing valve in the first gas source distribution pipe is opened, gas and water source pass through the first jet pipe respectively
It is entered in micro-filtration tank with counter-flushing pipeline, so that the dirt in micro-filtration tank more than the first jet pipe passes through settlement funnel and row
Dirty pipe discharge；
Shutdown procedure: automatic outletting valve and automatic water inlet valve are successively closed.
Further, water inlet program is further comprising the steps of:
Water inlet detection program: opening the automatic switch valve and fluid flow switch on gas exhaust piping, and the gas in micro-filtration tank passes through
Gas exhaust piping discharge, liquid are entered in gas exhaust piping and are contacted with fluid flow switch, and liquid is full of micro-filtration tank.
Further, water inlet program is further comprising the steps of:
Tank exhaust program: closing the automatic switch valve on gas exhaust piping, opens the exhaust valve on exhaust branch, micro-filtration tank
Interior gas is discharged by exhaust branch.
Further, drainage procedure is further comprising the steps of:
Water outlet detects: the online flowmeter and on-line monitoring instrument on liquid outlet is opened, by online flowmeter and online
Monitor detects the effluent characteristics in liquid outlet.
Further, backwash procedure is further comprising the steps of:
Pipeline vent sequence: opening the valve on gas source exhaust pipe, and the gas in air source distributor passes through gas source exhaust pipe
Discharge.
Further, feeder is connect with air source distributor；
Air source distributor is connect by the first gas source distribution pipe and the second gas source distribution pipe with the first jet pipe and the second jet pipe.
Further, multiple gas outlets are provided on the first jet pipe；
First gas source distribution pipe is provided with multiple, and multiple first gas source distribution pipes are connect with multiple gas outlets.
Further, feeder includes air compressor machine, air accumulator and air purifier；
Air compressor machine, air accumulator and air purifier are connect by supply air line with air source distributor, and gas is stored in gas storage
Body, air compressor machine drive the gas in air accumulator to enter in air purifier, and air purifier is used for purification gas, and after purification
Gas entered in air source distributor by supply air line.
Further, feed liquor branch pipe is provided with multiple；
Multiple feed liquor branch pipes are connect with feed liquor house steward, and micro-filtration tank is provided with multiple, and multiple micro-filtration tanks pass through multiple respectively
Feed liquor branch pipe is connect with feed liquor house steward.
Further, feed liquor house steward is disposed with intake pump, water quality testing meter and flow detection along liquid flow direction
Instrument；
Intake pump, water quality testing meter and flow detector are connect with control device signal, water quality testing meter and flow inspection
Liquid water quality and flow that instrument is respectively used in detection feed liquor house steward are surveyed, and this water quality and flow information are transferred to control device
In.
Further, control device includes microprocessor and timer；
Automatic water inlet valve, the second automatic blowdown valve, automatic Valve for washing, is provided in automatic outletting valve automatic switch valve
Mechanical contact, mechanical contact are connect with microprocessor signals；
Timer is electrically connected with microprocessor, timer respectively with automatic water inlet valve, automatic switch valve, the second automatic pollution discharge
Valve, automatic Valve for washing, the connection of automatic outletting valve signal, timer are used to control signal to microprocessor launch time；
After microprocessor receives the unlatching activation signal of mechanical contact, microprocessor starts to receive the time of timer
Signal is preset with time interval controls signal in microprocessor, according to the time signal Separation control automatic water inlet valve received,
The interval unlatching and closure of automatic switch valve, the second automatic blowdown valve, automatic Valve for washing, automatic outletting valve.
In conjunction with above technical scheme, the beneficial effect that the present invention reaches is:
Microfiltration systems water treatment technology provided by the invention, comprising the following steps:
Water inlet program: opening the manual modulation valve and automatic water inlet valve on feed liquor branch pipe, and water inlet is entered by feed liquor branch pipe
Into micro-filtration tank, so that water inlet is full of micro-filtration tank, the filtering layer in micro-filtration tank is filtered water inlet；
Positive washing procedure: opening automatic Valve for washing, and filtered liquid is discharged by blowdown general pipeline, will remain in filtering layer
Dirt discharge；
Drainage procedure: the manual water outlet valve and automatic outletting valve of backwash tube road, filtered liquid in micro-filtration tank are opened
Body is discharged by liquid outlet；
Backwash procedure: opening the second automatic blowdown valve on sewage pipe, and settlement funnel leads to the dirt that filtering layer filtrate adsorbs
Sewage pipe discharge is crossed, feeder is opened and automatic outletting valve, gas and water source passes through the second jet pipe and counter-flushing pipeline respectively
It enters in micro-filtration tank, so that the dirt in micro-filtration tank more than the second jet pipe is discharged by settlement funnel and sewage pipe；
Cleaning procedure: the automatic backflushing valve in the first gas source distribution pipe is opened, gas and water source pass through the first jet pipe respectively
It is entered in micro-filtration tank with counter-flushing pipeline, so that the dirt in micro-filtration tank more than the first jet pipe passes through settlement funnel and row
Dirty pipe discharge；
Shutdown procedure: automatic outletting valve and automatic water inlet valve are successively closed.
Liquid is conveyed into micro-filtration tank by feed liquor branch pipe, keeps micro-filtration tank hydraulically full, is opened automatically just after hydraulically full
Valve is washed, filtered liquid is discharged by blowdown general pipeline, makes to remain in the dirt discharge in filtering layer, it is ensured that production water quality later
Amount opens manual water outlet valve and automatic outletting valve, and the filtered water inlet of filtering layer is discharged by liquid outlet, gas and water source difference
It is entered in micro-filtration tank, filtering layer filtrate more than second jet pipe is cleaned, gas by the second jet pipe and counter-flushing pipeline
It is entered in micro-filtration tank by the first jet pipe, filtering layer filtrate more than first jet pipe is cleaned, is alleviated in the prior art
Existing traditional membranous system water treatment technology is expensive, and membranous system needs repeat at periodic or other desired investment replacement membrane module, daily work
The technical issues of also needing to shut down medicament cleaning offline, influencing working efficiency, realizing water treatment technology can use for a long time,
Replacement filter assemblies are not needed, the technical effect of water treatment work efficiency is improved.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And structure specifically noted by attached drawing is achieved and obtained.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the process flow chart of microfiltration systems water treatment technology provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of microfiltration systems water treatment technology provided in an embodiment of the present invention.
Icon: 1- manual modulation valve；2- automatic water inlet valve；4- settlement funnel；5- micro-filtration tank；6- automatic switch valve；7- stream
Dynamic switch；8- exhaust valve；The second automatic blowdown valve of 9-；11- filtering layer；12- air source distributor；Valve on 14- gas source exhaust pipe；
The automatic Valve for washing of 16-；17- manual water outlet valve；18- automatic outletting valve；21- air accumulator；22- air compressor machine；23- air purifier；
24- water quality testing meter；25- flow detector；The online flowmeter of 27-；Instrument is monitored online in 28-；34- intake pump；35- control dress
It sets；The first jet pipe of 36-；The second jet pipe of 37-；100- feed liquor house steward；110- feed liquor branch pipe；120- gas source exhaust pipe；130- exhaust
Pipeline；131- exhaust branch；140- supply air line；160- counter-flushing pipeline；180- sewage pipe；190- the first gas source distribution pipe；
191- the second gas source distribution pipe；200- blowdown general pipeline；300- liquid outlet.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", "left", "right",
"vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or position
Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, as occurred
Term " first ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace such as occur
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 is the process flow chart of microfiltration systems water treatment technology provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of microfiltration systems water treatment technology provided in an embodiment of the present invention.
As shown in Figs. 1-2, microfiltration systems water treatment technology provided in this embodiment, comprising the following steps: water inlet program: beat
Drive the manual modulation valve 1 and automatic water inlet valve 2 on liquid branch pipe 110 into, water inlet is entered in micro-filtration tank 5 by feed liquor branch pipe 110,
So that water inlet is full of micro-filtration tank 5,11 pairs of filtering layer in micro-filtration tank 5 are filtered；Positive washing procedure: automatic Valve for washing is opened
16, filtered liquid is discharged by blowdown general pipeline 200, will remain in the dirt discharge in filtering layer 11；Drainage procedure: it opens
Manual water outlet valve 17 and automatic outletting valve 18 on counter-flushing pipeline 160, filtered liquid passes through liquid outlet in micro-filtration tank 5
300 discharges；Backwash procedure: opening the second automatic blowdown valve 9 on sewage pipe 180, and settlement funnel 4 adsorbs 11 filtrate of filtering layer
Dirt is discharged by sewage pipe 180, opens feeder and automatic outletting valve 18, gas and water source pass through the second jet pipe 37 respectively
It is entered in micro-filtration tank 5 with counter-flushing pipeline 160, so that the dirt in micro-filtration tank 5 positioned at the second 37 or more jet pipe passes through sedimentation
Funnel 4 and sewage pipe 180 are discharged；Cleaning procedure: the automatic backflushing valve in the first gas source distribution pipe 190, gas and water source are opened
It is entered in micro-filtration tank 5 by the first jet pipe 36 and counter-flushing pipeline 160 respectively, so as to be located at the first jet pipe 36 in micro-filtration tank 5
Above dirt is discharged by settlement funnel 4 and sewage pipe 180；Shutdown procedure: successively close automatic outletting valve 18 and automatically into
Water valve 2.
Specifically, opening the manual modulation valve 1 and automatic water inlet valve 2 on feed liquor branch pipe 110, adjusted using manual modulation valve 1
The fluid flow in feed liquor branch pipe 110 is saved, liquid enters in micro-filtration tank 5, and 11 filtrate of filtering layer in micro-filtration tank 5 carries out liquid
Filtering；After liquid is full of, automatic 16 a period of time of Valve for washing is opened, liquid is discharged by blowdown general pipeline 200, this process makes
The dirt remained in filtering layer 11 is discharged with liquid, to guarantee hereafter to produce the quality of water；When after a while, filtering layer 11
In dirt largely after discharge, close automatic Valve for washing 16, open manual water outlet valve 17 and automatic outletting valve 18, filtering layer 11 are held
Continuous to be filtered to liquid, filtered liquid is discharged by liquid outlet 300.
After 11 long-time use of filtering layer, a large amount of dirt can be adsorbed in 11 filtrate of filtering layer, need to remove 11 filtrate of filtering layer
In dirt, make 11 filtrate of filtering layer that there are high filtration capacity, concrete operations again are as follows: to open second automatic on sewage pipe 180
The dirt that 11 filtrate of filtering layer adsorbs is discharged by sewage pipe 180 for blowdown valve 9, settlement funnel 4, is opened feeder and is gone out automatically
Water valve 18, gas and water source pass through the second jet pipe 37 respectively and counter-flushing pipeline 160 enters in micro-filtration tank 5, gas and liquid
Filtrate in filtering layer 11 is driven to move up, the dirt in filtrate is discharged by settlement funnel 4, so as to be located at second in micro-filtration tank 5
The dirt of 37 or more jet pipe is discharged by settlement funnel 4 and sewage pipe 180, the 37 normal work of 11 filtrate of filtering layer below of the second jet pipe
Make, maintain the working condition of normal filtration, use layering back flush mode, this mode is shorter than whole washing time, adapts to
Filtering layer 11 the phenomenon that dirt increases first above, be a kind of backwash mode that quickly recoil restores.
When needing for whole 11 filtrates of filtering layer to be rinsed, the automatic backflushing valve in the first gas source distribution pipe 190 is opened,
Gas and water source pass through the first jet pipe 36 respectively and counter-flushing pipeline 160 enters in micro-filtration tank 5, and gas and liquid drive filtering layer
Filtrate moves up in 11, and the dirt in filtrate is discharged by settlement funnel 4 so that be located in micro-filtration tank 5 first jet pipe 36 with
On dirt be discharged by settlement funnel 4 and sewage pipe 180.
Microfiltration systems water treatment technology provided in this embodiment, comprising the following steps: water inlet program: open feed liquor branch pipe
Manual modulation valve 1 and automatic water inlet valve 2 on 110, water inlet are entered in micro-filtration tank 5 by feed liquor branch pipe 110, so that water inlet is filled
Expire micro-filtration tank 5,11 pairs of filtering layer in micro-filtration tank 5 are filtered；Positive washing procedure: opening automatic Valve for washing 16, filtered
Liquid is discharged by blowdown general pipeline 200, will remain in the dirt discharge in filtering layer 11；Drainage procedure: counter-flushing pipeline is opened
Manual water outlet valve 17 and automatic outletting valve 18 on 160, filtered liquid is discharged by liquid outlet 300 in micro-filtration tank 5；Instead
Washing procedure: opening the second automatic blowdown valve 9 on sewage pipe 180, and the dirt that 11 filtrate of filtering layer adsorbs is passed through row by settlement funnel 4
Dirty pipe 180 is discharged, and opens feeder and automatic outletting valve 18, gas and water source pass through the second jet pipe 37 and backwash tube respectively
Road 160 enters in micro-filtration tank 5, so as to pass through settlement funnel 4 and blowdown positioned at the dirt of the second 37 or more jet pipe in micro-filtration tank 5
Pipe 180 is discharged；Cleaning procedure: the automatic backflushing valve in the first gas source distribution pipe 190 is opened, gas and water source pass through first respectively
Jet pipe 36 and counter-flushing pipeline 160 enter in micro-filtration tank 5, so that logical positioned at the dirt of the first 36 or more jet pipe in micro-filtration tank 5
It crosses settlement funnel 4 and sewage pipe 180 is discharged；Shutdown procedure: automatic outletting valve 18 and automatic water inlet valve 2 are successively closed.By into
Liquid branch pipe 110 conveys liquid into micro-filtration tank 5, keeps micro-filtration tank 5 hydraulically full, opens automatic Valve for washing 16, mistake after hydraulically full
Liquid after filter is discharged by blowdown general pipeline 200, and the dirt remained in filtering layer 11 is discharged, it is ensured that production water quality later,
Manual water outlet valve 17 and automatic outletting valve 18 are opened, the filtered water inlet of filtering layer 11 is discharged by liquid outlet 300, gas and water
Source passes through the second jet pipe 37 respectively and counter-flushing pipeline 160 enters in micro-filtration tank 5, filters to the filtering layer 11 of the second 37 or more jet pipe
Material is cleaned, and gas is entered in micro-filtration tank 5 by the first jet pipe 36, is carried out to 11 filtrate of filtering layer of the first 36 or more jet pipe
Cleaning, it is expensive to alleviate traditional membranous system water treatment technology existing in the prior art, and membranous system needs repeat at periodic or other desired
The technical issues of investment replacement membrane module, routine work also needs to shut down medicament cleaning offline, influences working efficiency, realize water
Treatment process can use for a long time, do not need replacement filter assemblies, improve the technical effect of water treatment work efficiency.
On the basis of the above embodiments, further, in microfiltration systems water treatment technology provided in this embodiment into
Water program is further comprising the steps of: water inlet detection program: opening the automatic switch valve 6 and fluid flow switch 7 on gas exhaust piping 130,
Gas in micro-filtration tank 5 is discharged by gas exhaust piping 130, and liquid is entered in gas exhaust piping 130 and contacted with fluid flow switch 7, liquid
Body is full of micro-filtration tank 5.
Specifically, feed liquor branch pipe 110 continues to convey liquid into micro-filtration tank 5, the liquid level in micro-filtration tank 5 is persistently risen
Height, the gas in micro-filtration tank 5 is extruded, is discharged from gas exhaust piping 130, and after the liquid in micro-filtration tank 5 is full of, liquid enters
Into gas exhaust piping 130, fluid flow switch 7 incudes the liquid in gas exhaust piping 130, when fluid flow switch 7 senses gas exhaust piping 130
In there are when liquid, the liquid represented in micro-filtration tank 5 is full of.
Further, water inlet program is further comprising the steps of: tank exhaust program: closing automatic on gas exhaust piping 130
Switch valve 6 opens the exhaust valve 8 on exhaust branch 131, and the gas in micro-filtration tank 5 is discharged by exhaust branch 131.
Specifically, closing the automatic switch valve 6 on gas exhaust piping 130, intermittently starting closes after liquid is full of micro-filtration tank 5
Exhaust valve 8 is closed, such as opened and was kept for 10 seconds every 60 minutes, is then shut off, the gas that may be brought into for excluding water inlet, with
This guarantees in filtration that water is filled to top of the tank always.
Further, drainage procedure is further comprising the steps of: water outlet detection: open liquid outlet 300 in linear flow rate
Meter 27 and on-line monitoring instrument 28 detect the effluent characteristics in liquid outlet 300 by online flowmeter 27 and on-line monitoring instrument 28.
Specifically, the liquid in micro-filtration tank 5 is discharged after filtering by liquid outlet 300, it is arranged on liquid outlet 300 online
Flowmeter 27 and on-line monitoring instrument 28, are detected by online flowmeter 27 and on-line monitoring 28 pairs of water outlets of instrument.
Microfiltration systems water treatment technology provided in this embodiment passes through the liquid in water inlet detection Programmable detection micro-filtration tank 5
Whether it is full of；The gas being brought into micro-filtration tank 5 during lasting water inlet is passed through into exhaust branch 131 by tank exhaust program
Discharge makes to continue in micro-filtration tank 5 hydraulically full.
On the basis of the above embodiments, further, anti-in microfiltration systems water treatment technology provided in this embodiment
Washing procedure is further comprising the steps of: pipeline vent sequence: opening the valve 14 on gas source exhaust pipe, the gas in air source distributor 12
Body is discharged by gas source exhaust pipe 120.
Specifically, opening the valve 14 on gas source exhaust pipe, the gas in air source distributor 12 before backwash procedure progress
Body is discharged by gas source exhaust pipe 120, and the gas in pipeline is discharged, and avoiding, which influences feeder, conveys gas to micro-filtration tank 5.
Further, feeder is connect with air source distributor 12；Air source distributor 12 passes through the first gas source distribution pipe 190
It is connect with the second gas source distribution pipe 191 with the first jet pipe 36 and the second jet pipe 37.
Further, multiple gas outlets are provided on the first jet pipe 36；First gas source distribution pipe 190 be provided with it is multiple, it is more
A first gas source distribution pipe 190 is connect with multiple gas outlets.
Specifically, the first jet pipe 36 and the second jet pipe 37 are all set in micro-filtration tank 5, the first jet pipe 36 is located at the second jet pipe
37 lower section, when the second 37 outlet of jet pipe, 11 filtrate of filtering layer of the second 37 or more jet pipe is moved up, 36 outlet of the first jet pipe
When, 11 filtrate of filtering layer of the first 36 or more jet pipe moves up.
Further, feeder includes air compressor machine 22, air accumulator 21 and air purifier 23；Air compressor machine 22, air accumulator
21 and air purifier 23 connect with air source distributor 12 by supply air line 140, gas, 22 band of air compressor machine are stored in gas storage
Gas in dynamic air accumulator 21 enters in air purifier 23, and air purifier 23 is used for purification gas, and purified gas
Body is entered in air source distributor 12 by supply air line 140.
Specifically, air compressor machine 22 makes the gas in air accumulator 21 have kinetic energy, the gas in air accumulator 21 is made to enter sky
In gas purifier 23, gas purification is avoided the impurity in gas from entering in micro-filtration tank 5, polluted by air purifier 23.
Microfiltration systems water treatment technology provided in this embodiment conveys gas into air source distributor 12 by feeder
Body, air source distributor 12 dispense a gas onto the first jet pipe 36 or the second jet pipe 37, to realize the filtering layer 11 to different location
The technical effect of filtrate progress filth disposal.
On the basis of the above embodiments, further, in microfiltration systems water treatment technology provided in this embodiment into
Liquid branch pipe 110 is provided with multiple；Multiple feed liquor branch pipes 110 are connect with feed liquor house steward 100, micro-filtration tank 5 be provided with it is multiple, it is multiple
Micro-filtration tank 5 is connect by multiple feed liquor branch pipes 110 with feed liquor house steward 100 respectively.
Specifically, feed liquor house steward 100 is connected to multiple feed liquor branch pipes 110, micro-filtration is provided on each feed liquor branch pipe 110
Tank 5, multiple 5 independent parallel of micro-filtration tank work, makes multiple micro-filtration tanks 5 that different water treatment programs can be performed.
Further, feed liquor house steward 100 is disposed with intake pump 34, water quality testing meter 24 and stream along liquid flow direction
Measure detector 25；Intake pump 34, water quality testing meter 24 and flow detector 25 are connect with 35 signal of control device, water quality detection
Instrument 24 and flow detector 25 are respectively used to liquid water quality and flow in detection feed liquor house steward 100, and by this water quality and flow
Information is transferred in control device 35.
Specifically, intake pump 34, water quality testing meter 24 and flow detector 25, intake pump are arranged in feed liquor house steward 100
34, water quality testing meter 24 and flow detector 25 are set gradually along liquid flow direction, and intake pump 34 makes in feed liquor house steward 100
Liquid obtain kinetic energy, so that liquid is passed through feed liquor branch pipe 110 and enter in micro-filtration tank 5,24 real-time detection of water quality testing meter
Liquid water quality in feed liquor house steward 100, flow detector 25 detect liquid and enter the total amount of liquid in multiple micro-filtrates, water quality
Data and data on flows are transmitted in control device 35, and staff is facilitated to observe liquid related data.
Each micro-filtration tank 5 is provided with a set of control device 35, is realized and is run by individual control device 35, each other
For parallel relationship, an any micro-filtration tank 5 maintenance does not interfere with the operation of other programs.
Further, control device 35 includes microprocessor and timer；Automatic water inlet valve 2, automatic switch valve 6, second
Automatic blowdown valve 9, automatic Valve for washing 16 are provided with mechanical contact in automatic outletting valve 18, and mechanical contact and microprocessor are believed
Number connection；Timer is electrically connected with microprocessor, and timer is arranged with automatic water inlet valve 2, automatic switch valve 6, second automatically respectively
Dirty valve 9, automatic Valve for washing 16, the connection of 18 signal of automatic outletting valve, timer are used to control signal to microprocessor launch time；
After microprocessor receives the unlatching activation signal of mechanical contact, microprocessor starts to receive the time signal of timer, micro-
It is preset with time interval controls signal in processor, according to the time signal Separation control automatic water inlet valve 2 received, automatically opens
Close the interval unlatching and closure of valve 6, the second automatic blowdown valve 9, automatic Valve for washing 16, automatic outletting valve 18.
Specifically, above-mentioned all working procedure and sequencing, are achieved by control device 35, control device
35 be actually a set of control cabinet including various electric elements, and major components therein are programmable controllers, that is,
Above-mentioned each job order is required and corresponding program is worked out in time requirement, controls each automatic valve by a kind of microprocessor
Unlatching, continue and closure, in order to guarantee device systems operation have high reliability, avoid when some valve break down and make
Entire control program occur it is chaotic, use mechanical contact and when device control design case mode.
Specifically, by automatic water inlet valve 2, automatic switch valve 6, the second automatic blowdown valve 9, automatic Valve for washing 16, it is automatic go out
Water valve 18, which is selected as, has highly sensitive limit switch automatic valve, and touching limit is opened after which completes working procedure
It closes, expression turns off or in place, while also needing to meet delay requirement, only reaches this two conditions simultaneously, and mechanical
Limit switch preferential principle, system can just execute next program, such as only open the second automatic blowdown valve 9, just meeting
Backwash procedure is opened, time-program(me) reaches if mechanical position limitation breaks down, and system meeting automatic alarm simultaneously enters standby shape
State waits personnel to repair and resets.
Microfiltration systems water treatment technology provided in this embodiment passes through matching for feed liquor house steward 100 and multiple feed liquor branch pipes 110
It closes, has respectively entered the liquid in feed liquor house steward 100 in multiple micro-filtration tanks 5, convey liquid for multiple micro-filtration tanks 5；By adopting
With the work of mechanical contact and timer double control valve, it is convenient for the valvular automatic control of institute.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (11)
1. a kind of microfiltration systems water treatment technology, which comprises the following steps:
Water inlet program: opening the manual modulation valve and automatic water inlet valve on feed liquor branch pipe, and water inlet is entered micro- by feed liquor branch pipe
In filter tank, so that water inlet is full of micro-filtration tank, the filtering layer in micro-filtration tank is filtered water inlet；
Positive washing procedure: opening automatic Valve for washing, and filtered liquid is discharged by blowdown general pipeline, will remain in the dirt in filtering layer
Object discharge；
Drainage procedure: the manual water outlet valve and automatic outletting valve of backwash tube road are opened, filtered liquid is logical in micro-filtration tank
Cross liquid outlet discharge；
Backwash procedure: opening the second automatic blowdown valve on sewage pipe, and the dirt that filtering layer filtrate adsorbs is passed through row by settlement funnel
Feeder and automatic outletting valve are opened in dirty pipe discharge, and gas and water source pass through the second jet pipe respectively and counter-flushing pipeline enters
Into micro-filtration tank, so that the dirt in micro-filtration tank more than the second jet pipe is discharged by settlement funnel and sewage pipe；
Cleaning procedure: opening the automatic backflushing valve in the first gas source distribution pipe, and gas and water source pass through the first jet pipe and anti-respectively
Flushing pipeline enters in micro-filtration tank, so that the dirt in micro-filtration tank more than the first jet pipe passes through settlement funnel and sewage pipe
Discharge；
Shutdown procedure: automatic outletting valve and automatic water inlet valve are successively closed.
2. microfiltration systems water treatment technology according to claim 1, which is characterized in that the water inlet program further includes following
Step:
Water inlet detection program: opening the automatic switch valve and fluid flow switch on gas exhaust piping, and the gas in micro-filtration tank passes through exhaust
Pipeline discharge, liquid are entered in gas exhaust piping and are contacted with fluid flow switch, and liquid is full of micro-filtration tank.
3. microfiltration systems water treatment technology according to claim 2, which is characterized in that the water inlet program further includes following
Step:
Tank exhaust program: closing the automatic switch valve on gas exhaust piping, the exhaust valve on exhaust branch is opened, in micro-filtration tank
Gas is discharged by exhaust branch.
4. microfiltration systems water treatment technology according to claim 3, which is characterized in that the drainage procedure further includes following
Step:
Water outlet detection: the online flowmeter and on-line monitoring instrument on liquid outlet are opened, online flowmeter and on-line monitoring are passed through
Instrument detects the effluent characteristics in liquid outlet.
5. microfiltration systems water treatment technology according to claim 4, which is characterized in that the backwash procedure further includes following
Step:
Pipeline vent sequence: opening the valve on gas source exhaust pipe, and the gas in air source distributor is discharged by gas source exhaust pipe.
6. microfiltration systems water treatment technology according to claim 5, which is characterized in that the feeder and the gas source
Distributor connection；
The air source distributor is connect by the first gas source distribution pipe and the second gas source distribution pipe with the first jet pipe and the second jet pipe.
7. microfiltration systems water treatment technology according to claim 6, which is characterized in that be provided on first jet pipe more
A gas outlet；
The first gas source distribution pipe is provided with multiple, and multiple first gas source distribution pipes are connect with multiple gas outlets.
8. microfiltration systems water treatment technology according to claim 6, which is characterized in that the feeder includes pneumatics
Machine, air accumulator and air purifier；
The air compressor machine, the air accumulator and the air purifier are connect by supply air line with the air source distributor, institute
It states and is stored with gas in air accumulator, the air compressor machine drives the gas in the air accumulator to enter in the air purifier,
The air purifier is used for purification gas, and purified gas enters the air source distributor by the supply air line
In.
9. microfiltration systems water treatment technology according to claim 1, which is characterized in that the feed liquor branch pipe is provided with more
It is a；
Multiple feed liquor branch pipes are connect with feed liquor house steward, and the micro-filtration tank is provided with multiple, multiple micro-filtration tank difference
It is connect by multiple feed liquor branch pipes with the feed liquor house steward.
10. microfiltration systems water treatment technology according to claim 9, which is characterized in that the feed liquor house steward is along liquid flow
Dynamic direction is disposed with intake pump, water quality testing meter and flow detector；
The intake pump, the water quality testing meter and the flow detector are connect with control device signal, the water quality inspection
It surveys instrument and the flow detector and is respectively used to detect liquid water quality and flow in the feed liquor house steward, and by this water quality and stream
Amount information is transferred in control device.
11. microfiltration systems water treatment technology according to claim 10, which is characterized in that the control device includes micro- place
Manage device and timer；
It is the automatic water inlet valve, the automatic switch valve, second automatic blowdown valve, the automatic Valve for washing, described automatic
Mechanical contact is provided in outlet valve, the mechanical contact is connect with the microprocessor signals；
The timer is electrically connected with the microprocessor, the timer respectively with the automatic water inlet valve, described open automatically
Valve, second automatic blowdown valve, the automatic Valve for washing, automatic outletting valve signal connection are closed, the timer is used for
Signal is controlled to the microprocessor launch time；
After the microprocessor receives the unlatching activation signal of the mechanical contact, the microprocessor starts described in reception
The time signal of timer is preset with time interval controls signal in the microprocessor, according between the time signal received
Every control the automatic water inlet valve, the automatic switch valve, second automatic blowdown valve, the automatic Valve for washing, it is described from
The interval of dynamic outlet valve is opened and closure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556921.0A CN109368838A (en) | 2018-12-19 | 2018-12-19 | Microfiltration systems water treatment technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556921.0A CN109368838A (en) | 2018-12-19 | 2018-12-19 | Microfiltration systems water treatment technology |
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| CN201811556921.0A Pending CN109368838A (en) | 2018-12-19 | 2018-12-19 | Microfiltration systems water treatment technology |
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