CN108069477A - A kind of full-automatic back washing filtration system - Google Patents

A kind of full-automatic back washing filtration system Download PDF

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Publication number
CN108069477A
CN108069477A CN201711331386.4A CN201711331386A CN108069477A CN 108069477 A CN108069477 A CN 108069477A CN 201711331386 A CN201711331386 A CN 201711331386A CN 108069477 A CN108069477 A CN 108069477A
Authority
CN
China
Prior art keywords
filter
valve
water
outlet
inlet
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
CN201711331386.4A
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Chinese (zh)
Inventor
刘伟东
蔡志福
刘伟科
卢绍军
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.)
Guangzhou Chang Chi Mechanical And Electrical Equipment Co Ltd
Original Assignee
Guangzhou Chang Chi Mechanical And Electrical Equipment 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 Guangzhou Chang Chi Mechanical And Electrical Equipment Co Ltd filed Critical Guangzhou Chang Chi Mechanical And Electrical Equipment Co Ltd
Priority to CN201711331386.4A priority Critical patent/CN108069477A/en
Publication of CN108069477A publication Critical patent/CN108069477A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/007Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/10Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
    • B01D24/105Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container downward filtration without specifications about the filter material supporting means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46Regenerating the filtering material in the filter
    • B01D24/4631Counter-current flushing, e.g. by air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/48Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
    • B01D24/4884Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration by pressure measuring
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for desalination
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/005Processes using a programmable logic controller [PLC]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/03Pressure
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/16Regeneration of sorbents, filters

Abstract

A kind of full-automatic back washing filtration system, the system include:First filter device, the second filter device, the 3rd filter device, first filter device, the second filter device, the 3rd filter device are sequentially connected, and water are filtered respectively, it is characterised in that:System is equipped with manual recoil, time control automatic backflushing and pressure difference control three kinds of backwash modes of automatic backflushing, when in manual recoil pattern, it can recoil manually to any one in the first filter device, the second filter device, the 3rd filter device, when in time control automatic backflushing, the time that system is set by switch board recoils automatically, when controlling automatic backflushing in pressure difference, the pressure difference that system is set by differential pressure controller recoils automatically.

Description

A kind of full-automatic back washing filtration system
Technical field
The invention belongs to Seawater Treatment field more particularly to a kind of full-automatic back washing filtration systems.
Background technology
In recent years, mankind's activity is increasingly severe to the pollution of seawater, and the seawater pollution in particularly coastal waters is even more serious, Industry and aquaculture in can not directly use, therefore, it is nearly all need using seawater place all must be to seawater at It could be used after reason, and in Seawater Treatment flow, almost all of processing system, which is all be unable to do without, filters this technique.
At present, in the filtering technique of seawater the methods of master's high speed sand cylinder to be used, valveless filtering pool and three-level sand filter It is handled, these methods have clearly disadvantageous in use, are mainly manifested in poor corrosion resistance, the degree of automation Low, the problems such as effluent quality is poor, take up a large area, high energy consumption, difficult Operation and Maintenance.
The content of the invention
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of full-automatic back washing filtration system, the systems It can realize full-automatic operation, seawater corrosion resistance, stable effluent quality, small, the energy-efficient, convenient operating maintenance of floor space etc. Advantage.
The technical solution adopted by the present invention is as follows:
A kind of full-automatic back washing filtration system, the system include:First filter device, the second filter device, the 3rd mistake Device is filtered, first filter device, the second filter device, the 3rd filter device are sequentially connected, and water are filtered respectively, It is characterized in that:System is equipped with manual recoil, time control automatic backflushing and pressure difference control three kinds of backwash modes of automatic backflushing, It, can be manually to any one in the first filter device, the second filter device, the 3rd filter device when in manual recoil pattern A to recoil, when in time control automatic backflushing, the time that system is set by switch board recoils automatically, when in When pressure difference controls automatic backflushing, the pressure difference that system is set by differential pressure controller recoils automatically.
In a specific embodiment, the system also includes water inlet manifold, total outlet pipe, total blown pipe, pressure Table, differential pressure controller, switch board and exhaust-valve;The water inlet of first filter device, the water inlet of the second filter device, The water inlet of three filter devices is connected respectively by the first inlet valve, the second inlet valve, the 3rd inlet valve with water inlet manifold, described The water outlet of first filter device, the water outlet of the second filter device, the water outlet of the 3rd filter device go out respectively by first Water valve, the second outlet valve, the 3rd outlet valve are connected with total outlet pipe, the water inlet of first filter device, the second filtering dress Water inlet, the water inlet of the 3rd filter device put are arranged respectively by the first blowdown valve, the second blowdown valve, the 3rd blowdown valve with total Dirt pipe is connected, and first row air valve is connected by first row gas port with the first filter device, and second row air valve passes through second exhaust port It is connected with the second filter device, the 3rd air bleeding valve is connected by the 3rd exhaust outlet with the 3rd filter device, differential pressure controller high pressure End is connected with water inlet manifold, and low-pressure end is connected with total outlet pipe.
In a specific embodiment, pending water enters water inlet manifold through total water inlet, is divided into three tunnels difference Into the first filter device, the second filter device, the 3rd filter device, the first via is passed through into the first water valve from the first filter device Water inlet is filtered into the first filter device, the water after filtering through go out the first filter device the mouth of a river and the first outlet valve into Enter total outlet pipe;Second the second inlet valve of tunnel is filtered from the water inlet of the second filter device into the second filter device, Water after filtering enters total outlet pipe through the second filter device water outlet and the second outlet valve;The 3rd filter device of 3rd tunnel Inlet valve is filtered from the 3rd water inlet into the 3rd filter device, water outlet of the water after filtering through the 3rd filter device and 3rd outlet valve enters total outlet pipe, and water after three tunnel filterings is imported after total outlet pipe through total outlet valve and by-passing valve from total water outlet Mouth outflow, completes filtering process.In one preferred embodiment, when the system detectio time or pressure difference reach setting During condition, the system automatic start time control automatic backflushing or pressure difference control automatic backflushing, by the first filter device, the Two filter devices, the order of the 3rd filter device recoil successively.In one preferred embodiment, automatic backwash During one filter device, the system first automatically opens the first blowdown valve, closes the first inlet valve, closes total outlet valve afterwards, at this moment First filter device is in backwashing state, and the second filter device and the 3rd filter device are in normal filtration state, the second mistake The water outlet after device and the filtering of the 3rd filter device is filtered, a part is filtered from the bottom water outlet of the first filter device into first Device flows out from the water inlet of the first filter device, enters total blown pipe through the first blowdown valve, realize to the first filter device Backwash, another part through by-passing valve to use water spot normal use;After the completion of first filter device backwashing, the system is automatic It opens the second blowdown valve successively in order, opens the first inlet valve, close the second inlet valve, close the first blowdown valve, at this moment the Two filter devices are in backwashing state, and the first filter device and the second filter device are in normal filtration state, the first filtering Water outlet after device and the filtering of the second filter device, a part are filled from the bottom water outlet of the second filter device into the second filtering It puts, is flowed out from the water inlet of the second filter device, enter total blown pipe through the second blowdown valve, realize to the anti-of the second filter device Rinse, another part through by-passing valve to use water spot normal use;After the completion of second filter device backwashing, the system is pressed automatically Order opens the 3rd blowdown valve, opens the second inlet valve, closes the 3rd inlet valve, closing the second blowdown valve successively, and at this moment the 3rd Filter device is in backwashing state, and the first filter device and the second filter device are in normal filtration state, the first filtering dress The water outlet after being filtered with the second filter device is put, a part is filled from the bottom water outlet of the 3rd filter device into the 3rd filtering It puts, is flowed out from the water inlet of the 3rd filter device, enter total blown pipe through the 3rd blowdown valve, realize to the anti-of the 3rd filter device Rinse, another part through by-passing valve to use water spot normal use;After the completion of 3rd filter device backwashing, system is automatically in order Total outlet valve is opened successively, the 3rd inlet valve is opened, closes the 3rd blowdown valve, and at this moment system is in normal filtration state;It is described After first filter device, the second filter device and the 3rd filter device backwashing, system can open and close by setup program First row air valve, second row air valve, the 3rd air bleeding valve make first filter device, the second filter device and the 3rd filtering Gas in device is respectively from first row gas port, second exhaust port, the discharge of the 3rd exhaust outlet.
In a specific embodiment, first filter device, the second filter device and the 3rd filter device It is interior to use multilayer filtrate.In one preferred embodiment, multilayer filtrate is respectively cobblestone, cobblestone, quartz sand, quartz Sand, quartz sand and activated carbon, wherein preferably diameter is 10-15mm cobblestones, 5-10mm cobblestones, 2-4mm quartz Sand, 1-2mm quartz sands, 0.5-1mm quartz sands, 8-16 mesh activated carbons.
In a specific embodiment, first filter device, the second filter device and the 3rd filter device The double-deck high temperature fluidized line with rubber technique of inner wall, using two layers of epoxy zinc rich primer outside outer wall, then add one layer of acroleic acid polyurethane face Lacquer craftwork.
In order to facilitate control system, PLC, touch-screen control and remote controllers are equipped in switch board, can be intake to first Valve, the second inlet valve, the 3rd inlet valve, the first outlet valve, the second outlet valve, the 3rd outlet valve, the first blowdown valve, the second blowdown Valve, the 3rd blowdown valve, first row air valve, second row air valve, the state of the 3rd air bleeding valve and total outlet valve be detected and show, Alarm can be flickered on the touchscreen by such as breaking down, and can also realize that mobile phone controls system remote by remote controllers
The beneficial technique effect of the present invention:
The present invention provides a kind of full-automatic back washing filtration system, system filtering and backwash use Automatic Control, There is provided fault alarms and mobile phone remote to control, and realizes unattended;Further, filled out in filter device using multilayer filtrate Dress, filter efficiency is high, and outlet effect is good, and by-passing valve is provided with by total outlet valve, avoids in valve transfer to pipeline Caused by impact;The other three filter device is designed using three disjunctors, two filter device normal filtrations during backwash, after filtering A clear water part another filter device is backwashed, remainder normal use realizes water supply free of discontinuities, in addition For the inner wall of three filter devices using double-deck high temperature fluidized line with rubber technique, outer wall uses two layers of epoxy zinc rich primer, then adds one layer Acrylic polyurethane finish paint technique, corrosion resistance and good.
Figure of description
Fig. 1 is the front view of the full-automatic back washing filtration system of the present invention;
Fig. 2 is the top view of the full-automatic back washing filtration system of the present invention;
Fig. 3 is the left view of the first filter device of the full-automatic back washing filtration system of the present invention;
Fig. 4 is the left view of the second filter device of the full-automatic back washing filtration system of the present invention;
Fig. 5 is the left view of the 3rd filter device of the full-automatic back washing filtration system of the present invention.
Specific embodiment:
As shown in Figs. 1-5, the present invention provides a kind of full-automatic back washing filtration system, which includes:First filtering Device 1, the second filter device 2, the 3rd filter device 3, first filter device 1, the second filter device the 2, the 3rd filtering dress It puts 3 to be sequentially connected, and water is filtered respectively, it is characterised in that:System be equipped with manual recoil, time control automatic backflushing and Pressure difference controls three kinds of backwash modes of automatic backflushing, can be manually to the first filter device 1, the when in manual recoil pattern Any one in two filter devices 2, the 3rd filter device 3 recoils, and when in time control automatic backflushing, system is pressed The time that switch board 5 is set recoils automatically, and when controlling automatic backflushing in pressure difference, system is set by differential pressure controller 4 Pressure difference recoil automatically.
In a specific embodiment, the system also includes water inlet manifold 9, total outlet pipe 14, total blown pipe 10, Pressure gauge 8, differential pressure controller 4, switch board 5 and exhaust-valve 11;The water inlet 1E of first filter device 1, the second filtering dress Put 2 water inlet 2E, the 3rd filter device 3 water inlet 3E respectively by the first inlet valve 1A, the second inlet valve 2A, the 3rd into Water valve 3A is connected with water inlet manifold 9, the water outlet 1F of first filter device 1, the water outlet 2F of the second filter device 2, The water outlet 3F of three filter devices 3 passes through the first outlet valve 1B, the second outlet valve 2B, the 3rd outlet valve 3B and total outlet pipe respectively 14 be connected, the water inlet 1E of first filter device 1, the water inlet 2E of the second filter device 2, the 3rd filter device 3 into Mouth of a river 3E is connected respectively by the first blowdown valve 1C, the second blowdown valve 2C, the 3rd blowdown valve 3C with total blown pipe 10, first exhaust Valve 1D is connected by first row gas port 1G with the first filter device 1, and second row air valve 2D passes through second exhaust port 2G and the second mistake It filters device 2 to be connected, the 3rd air bleeding valve 3D is connected by the 3rd exhaust outlet 3G with the 3rd filter device 3,4 high-pressure side of differential pressure controller It is connected with water inlet manifold 9, low-pressure end is connected with total outlet pipe 14.
In a specific embodiment, pending water enters water inlet manifold 9 through total water inlet 7, is divided into three roads point Not Jin Ru the first filter device 1, the second filter device 2, the 3rd filter device 3, the first via passed through into the first water valve 1A from the first mistake The water inlet 1E of filter device 1 is filtered into the first filter device 1, water outlet of the water after filtering through the first filter device 1 1F and the first outlet valve 1B enter total outlet pipe 14;Second tunnel the second inlet valve 2A is from the water inlet 2E of the second filter device 2 It is filtered into the second filter device 2, the water after filtering enters through the second filter device water outlet 2F and the second outlet valve 2B Total outlet pipe 14;The inlet valve 3A of the 3rd filter device 3 of 3rd tunnel is carried out from the 3rd water inlet 3E into the 3rd filter device 3 Filtering, water outlet 3F and threeth outlet valve 3B of the water through the 3rd filter device 3 after filtering enter total outlet pipe 14, three tunnel filterings Water afterwards flows out after importing total outlet pipe 14 through total outlet valve 6 and by-passing valve 13 from total water outlet 12, completes filtering process.One In a preferred embodiment, when the system detectio time or pressure difference reach the condition of setting, the system automatic start Time control automatic backflushing or pressure difference control automatic backflushing, by the first filter device 1, the second filter device the 2, the 3rd filtering dress The order for putting 3 recoils successively.In one preferred embodiment, during the first filter device 1 of automatic backwash, the system System first automatically opens the first blowdown valve 1C, closes the first inlet valve 1A, total outlet valve 6 is closed afterwards, at this moment at the first filter device 1 In backwashing state, the second filter device 2 and the 3rd filter device 3 are in normal filtration state, the second filter device 2 and the 3rd Water outlet after the filtering of filter device 3, a part enter the first filter device 1 from the bottom water outlet 1F of the first filter device 1, from The water inlet 1E outflows of first filter device 1, enter total blown pipe 10 through the first blowdown valve 1C, realize to the first filter device 1 Backwash, another part arrived through by-passing valve 13 with water spot normal use;After the completion of the backwash of first filter device 1, the system System opens the second blowdown valve 2C, opens the first inlet valve 1A, close the second inlet valve 2A, close first row successively in order automatically Dirty valve 1C, at this moment the second filter device 2 be in backwashing state, the first filter device 1 and the second filter device 3 are in normal mistake Water outlet after filter state, the first filter device 1 and the filtering of the second filter device 3, a part go out from the bottom of the second filter device 2 Mouth of a river 2F enters the second filter device 2, is flowed out from the water inlet 2E of the second filter device 2, is arranged through the second blowdown valve 2C into total Dirty pipe 10, realizes the backwash to the second filter device 2, and another part is arrived through by-passing valve 13 with water spot normal use;Second mistake Filter device 2 backwash after the completion of, the system automatically in order successively open the 3rd blowdown valve 3C, open the second inlet valve 2A, It closes the 3rd inlet valve 3A, close the second blowdown valve 2C, at this moment the 3rd filter device 3 is in backwashing state, the first filtering dress Put 1 and second filter device 2 be in normal filtration state, the water outlet after the first filter device 1 and the filtering of the second filter device 2, A part is from the bottom water outlet 3F of the 3rd filter device 3 into the 3rd filter device 3, from the water inlet of the 3rd filter device 3 3E flows out, and enters total blown pipe 10 through the 3rd blowdown valve 3C, realizes the backwash to the 3rd filter device 3, another part is through side Port valve 13 is arrived with water spot normal use;After the completion of the backwash of 3rd filter device 3, system opens total water outlet successively in order automatically Valve 6 opens the 3rd inlet valve 3A, closes the 3rd blowdown valve 3C, and at this moment system is in normal filtration state;The first filtering dress After putting the 1, second filter device 2 and the backwash of the 3rd filter device 3, system can open and close first exhaust by setup program Valve 1D, second row air valve 2D, the 3rd air bleeding valve 3D make first filter device 1, the second filter device 2 and the 3rd filtering Gas in device 3 is respectively from first row gas port 1G, second exhaust port 2G, the 3rd exhaust outlet 3G discharges.
In a specific embodiment, first filter device 1, the second filter device 2 and the 3rd filtering dress It puts and multilayer filtrate is used in 3.In one preferred embodiment, multilayer filtrate be respectively cobblestone, cobblestone, quartz sand, Quartz sand, quartz sand and activated carbon, wherein preferably diameter is 10-15mm cobblestones, 5-10mm cobblestones, 2-4mm Quartz sand, 1-2mm quartz sands, 0.5-1mm quartz sands, 8-16 mesh activated carbons.
In a specific embodiment, first filter device 1, the second filter device 2 and the 3rd filtering dress 3 are put including tank body, the tank body is interior using double-deck high temperature fluidized line with rubber technique, and tank body uses two layers of epoxy zinc rich primer outside, Again plus one layer of acrylic polyurethane finish paint technique.
Operation principle:
During normal filtration, pending water enters water inlet manifold 9 through total water inlet 7, is divided into three tunnels and respectively enters the first mistake Device 1, the second filter device 2, the 3rd filter device 3 are filtered, the first via is through the first inlet valve 1A from the water inlet of the first filter device 1 Mouth 1E is filtered into the first filter device 1, water outlet 1F and first outlet valve of the water after filtering through the first filter device 1B enters total outlet pipe 14;Second tunnel the second inlet valve 2A is filled from the water inlet 2E of the second filter device 2 into the second filtering It puts 2 to be filtered, water outlet 2F and second outlet valve 2B of the water after filtering through the second filter device 2 enter total outlet pipe 14; The 3rd inlet valve 3A of 3rd tunnel is filtered from water inlet 3E into the 3rd filter device 3, and the water after filtering is through the 3rd filtering The water outlet 3F and the 3rd outlet valve 3B of device 3 enter total outlet pipe 14.Water after three tunnel filterings passes through after importing total outlet pipe 14 Total outlet valve 6 and by-passing valve 13 are flowed out from total water outlet 12, complete filtering process.
During backwash, system is equipped with manual recoil, time control automatic backflushing and pressure difference control three kinds of recoils of automatic backflushing Mold cleaning formula, can be manually to the first filter device 1, the second filter device 2, the 3rd filter device 3 when in manual recoil pattern In any one recoil, when in time control automatic backflushing, the time that system is set by switch board 5 carries out automatically Recoil, when controlling automatic backflushing in pressure difference, system recoils automatically by the pressure difference that differential pressure controller 4 is set.System is set When being set to automatic backflushing, when system detectio time or pressure difference reach the condition of setting, system automatic start backwash, by first Filter device 1, the second filter device 2, the order of the 3rd filter device 3 recoil successively.During back-flushing filtering device 1, it is System first automatically opens the first blowdown valve 1C, closes the first inlet valve 1A, total outlet valve 6 is closed afterwards, at this moment at the first filter device 1 In backwashing state, the second filter device 2, the 3rd filter device 3 are in normal filtration state, the second filter device 2 and the 3rd Water outlet after the filtering of filter device 3, a part enter the first filter device 1 from the bottom water outlet 1F of the first filter device 1, from Water inlet 1E flows out, and enters total blown pipe 10 through the first blowdown valve 1C, realizes the backwash to the first filter device 1, another portion Lease making by-passing valve 13 is arrived with water spot normal use;After the completion of the backwash of first filter device 1, system is opened successively in order automatically Second blowdown valve 2C, first open inlet valve 1A, close the second inlet valve 2A, close the first blowdown valve 1C, at this moment the second filtering Device 2 is in backwashing state, and the first filter device 1 and the 3rd filter device 3 are in normal filtration state, the first filter device 1 and the 3rd filter device 3 filter after a water outlet part filled from the bottom water outlet 2F of the second filter device 2 into the second filtering 2 are put, is flowed out from water inlet 2E, is entered total blown pipe 10 through the second blowdown valve 2C, realize the backwash to the second filter device 2, Another part is arrived through by-passing valve 13 with water spot normal use;Second filter device 2 backwash after the completion of, system automatically in order according to The 3rd blowdown valve 3C of secondary opening, the second inlet valve 2A is opened, the 3rd inlet valve 3A is closed, closes the second blowdown valve 2C, at this moment the Three filter devices 3 are in backwashing state, and the first filter device 1 and the second filter device 2 are in normal filtration state, the first mistake It filters the water outlet part after the filtering of 1 and second filter device 2 of device and enters the 3rd from the bottom water outlet 3F of the 3rd filter device 3 Filter device 3 flows out from water inlet 3E, enters total blown pipe 10 through the 3rd blowdown valve 3C, realize to the anti-of the 3rd filter device 3 It rinses;After the completion of the backwash of 3rd filter device 3, system opens total outlet valve 6, opens the 3rd inlet valve successively in order automatically 3A, the 3rd blowdown valve 3C is closed, at this moment system is in normal filtration state.After each filter device backwashing, system can be by setting Determine program and open and close first row air valve 1D, second row air valve 2D, the 3rd air bleeding valve 3D, distinguish the gas in filter device From first row gas port 1G, second exhaust port 2G, the 3rd exhaust outlet 3G discharges.
In order to facilitate control system, PLC, touch-screen control and remote controllers are equipped in switch board 5, can be intake to first Valve 1A, the second inlet valve 2A, the 3rd inlet valve 3A, the first outlet valve 1B, the second outlet valve 2B, the 3rd outlet valve 3B, first row Dirty valve 1C, the second blowdown valve 2C, the 3rd blowdown valve 3C, first row air valve 1D, second row air valve 2D, the 3rd air bleeding valve 3D and always go out The state of water valve 6 is detected and shows, can flicker alarm on the touchscreen as broken down, can also by remote controllers Realize that mobile phone controls system remote.
Above-mentioned detailed description is illustrating for one of the present invention practicable embodiment, which is not to limit The patent skill scope of the present invention is made, all equivalence enforcements or change without departing from carried out by the present invention are intended to be limited solely by the patent of this case In scope.

Claims (8)

1. a kind of full-automatic back washing filtration system, the system include:First filter device (1), the second filter device (2), Three filter devices (3), first filter device (1), the second filter device (2), the 3rd filter device (3) are sequentially connected, and Water is filtered respectively, it is characterised in that:It is automatic anti-that system is equipped with manual recoil, time control automatic backflushing and pressure difference control Three kinds of backwash modes are rushed, it, can be manually to the first filter device (1), the second filter device when in manual recoil pattern (2), any one in the 3rd filter device (3) recoils, and when in time control automatic backflushing, system presses switch board (5) time of setting recoils automatically, and when controlling automatic backflushing in pressure difference, system is by differential pressure controller (4) setting Pressure difference recoils automatically.
2. full-automatic back washing filtration system as described in claim 1, the system also includes water inlet manifold (9), total water outlets Manage (14), total blown pipe (10), pressure gauge (8), differential pressure controller (4), switch board (5) and exhaust-valve (11);First mistake Filter water inlet (1E), water inlet (2E), the water inlet (3E) of the 3rd filter device (3) of the second filter device (2) of device (1) It is connected respectively by the first inlet valve (1A), the second inlet valve (2A), the 3rd inlet valve (3A) with water inlet manifold (9), described The water outlet (1F) of one filter device (1), the water outlet (2F) of the second filter device (2), the water outlet of the 3rd filter device (3) (3F) is connected respectively by the first outlet valve (1B), the second outlet valve (2B), the 3rd outlet valve (3B) with total outlet pipe (14), institute State the water inlet (1E) of the first filter device (1), the water inlet (2E) of the second filter device (2), the 3rd filter device (3) into The mouth of a river (3E) passes through the first blowdown valve (1C), the second blowdown valve (2C), the 3rd blowdown valve (3C) and total blown pipe (10) phase respectively Even, first row air valve (1D) is connected by first row gas port (1G) with the first filter device (1), and second row air valve (2D) passes through the Two exhaust outlets (2G) are connected with the second filter device (2), and the 3rd air bleeding valve (3D) passes through the 3rd exhaust outlet (3G) and the 3rd filtering Device (3) is connected, and differential pressure controller (4) high-pressure side is connected with water inlet manifold (9), and low-pressure end is connected with total outlet pipe (14).
3. full-automatic back washing filtration system as described in claim 1, pending water is intake through total water inlet (7) into total It manages (9), is divided into three tunnels and respectively enters the first filter device (1), the second filter device (2), the 3rd filter device (3), the first via It is filtered through the water inlet (1E) into the first water valve (1A) from the first filter device (1) into the first filter device (1), filtering Water outlet (1F) and first outlet valve (1B) of the water afterwards through the first filter device (1) enter total outlet pipe (14);Second tunnel passes through Second inlet valve (2A) is filtered from the water inlet (2E) of the second filter device (2) into the second filter device (2), after filtering Water enter total outlet pipe (14) through the second filter device water outlet (2F) and the second outlet valve (2B);It filters on 3rd tunnel the 3rd The inlet valve (3A) of device (3) is filtered from the 3rd water inlet (3E) into the 3rd filter device (3), and the water after filtering is through The water outlet (3F) and the 3rd outlet valve (3B) of three filter devices (3) enter total outlet pipe (14), and the water after three tunnel filterings imports Total outlet pipe (14) is flowed out by total outlet valve (6) and by-passing valve (13) from total water outlet (12), completes filtering process.
4. full-automatic back washing filtration system as claimed in claim 3 reaches setting when the system detectio time or pressure difference Condition when, the system automatic start time control automatic backflushing or pressure difference control automatic backflushing, by the first filter device (1), the second filter device (2), the order of the 3rd filter device (3) recoil successively.
It is described during the first filter device of automatic backwash (1) 5. full-automatic back washing filtration system as claimed in claim 4 System first automatically opens the first blowdown valve (1C), closes the first inlet valve (1A), closes total outlet valve (6) afterwards, at this moment the first mistake Filter device (1) is in backwashing state, and the second filter device (2) and the 3rd filter device (3) are in normal filtration state, and second Water outlet after filter device (2) and the filtering of the 3rd filter device (3), a part of bottom water outlet from the first filter device (1) (1F) enters the first filter device (1), is flowed out from the water inlet (1E) of the first filter device (1), through the first blowdown valve (1C) into Enter total blown pipe (10), realize the backwash to the first filter device (1), another part arrives normal with water spot through by-passing valve (13) It uses;After the completion of first filter device (1) backwash, the system is opened the second blowdown valve (2C), is beaten successively in order automatically The first inlet valve (1A) is opened, the second inlet valve (2A) is closed, closes the first blowdown valve (1C), at this moment at the second filter device (2) In backwashing state, the first filter device (1) and the second filter device 3 are in normal filtration state, the first filter device (1) and Water outlet after second filter device (2) filtering, a part enter the second mistake from the bottom water outlet (2F) of the second filter device (2) Device (2) is filtered, is flowed out from the water inlet (2E) of the second filter device (2), enters total blown pipe (10) through the second blowdown valve (2C), Realize the backwash to the second filter device (2), another part is arrived through by-passing valve (13) with water spot normal use;Second filtering dress After the completion of putting (2) backwash, the system opens the 3rd blowdown valve (3C), opens the second inlet valve successively in order automatically (2A), close the 3rd inlet valve (3A), close the second blowdown valve (2C), at this moment the 3rd filter device (3) is in backwashing state, First filter device (1) and the second filter device (2) are in normal filtration state, the first filter device (1) and the second filtering dress The water outlet after (2) filtering is put, a part enters the 3rd filter device (3) from the bottom water outlet (3F) of the 3rd filter device (3), It flows out from the water inlet (3E) of the 3rd filter device (3), through the 3rd blowdown valve (3C) into total blown pipe (10), realizes to the 3rd The backwash of filter device (3), another part are arrived through by-passing valve (13) with water spot normal use;3rd filter device (3) recoils After the completion of washing, system opens total outlet valve (6), opens the 3rd inlet valve (3A), closes the 3rd blowdown valve successively in order automatically (3C), at this moment system be in normal filtration state;First filter device (1), the second filter device (2) and the 3rd filtering After device (3) backwash, system can open and close first row air valve (1D), second row air valve (2D), the 3rd by setup program Air bleeding valve (3D) makes the gas point in first filter device (1), the second filter device (2) and the 3rd filter device (3) Not from first row gas port (1G), second exhaust port (2G), the discharge of the 3rd exhaust outlet (3G).
6. full-automatic back washing filtration system as described in claim 1, first filter device (1), the second filter device (2) multilayer filtrate is used so that the 3rd filter device (3) is interior.
7. full-automatic back washing filtration system as described in claim 1, first filter device (1), the second filter device (2) and the double-deck high temperature fluidized line with rubber technique of the inner wall of the 3rd filter device (3), outer wall use two layers of epoxy zinc rich primer outside, Again plus one layer of acrylic polyurethane finish paint technique.
8. be equipped with such as preceding claims any one of them full-automatic back washing filtration system, in the switch board (5) PLC, Touch-screen controls and remote controllers, can to the first inlet valve (1A), the second inlet valve (2A), the 3rd inlet valve (3A), first Outlet valve (1B), the second outlet valve (2B), the 3rd outlet valve (3B), the first blowdown valve (1C), the second blowdown valve (2C), the 3rd row Dirty valve (3C), first row air valve (1D), second row air valve (2D), the 3rd air bleeding valve (3D) and the always state progress of outlet valve (6) Detection and display can flicker alarm as broken down, by remote controllers mobile phone can also be realized to system on the touchscreen Remote control.
CN201711331386.4A 2017-12-13 2017-12-13 A kind of full-automatic back washing filtration system Pending CN108069477A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109529432A (en) * 2019-01-21 2019-03-29 中国石化长城能源化工(宁夏)有限公司 BYD reactor metal membrane filter backwash control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109529432A (en) * 2019-01-21 2019-03-29 中国石化长城能源化工(宁夏)有限公司 BYD reactor metal membrane filter backwash control method
CN109529432B (en) * 2019-01-21 2020-12-08 中国石化长城能源化工(宁夏)有限公司 Backwashing control method for BYD reactor metal membrane filter

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