CN105457374A - Fiber rotary disk filter and sewage treatment method thereof - Google Patents
Fiber rotary disk filter and sewage treatment method thereof Download PDFInfo
- Publication number
- CN105457374A CN105457374A CN201510967274.2A CN201510967274A CN105457374A CN 105457374 A CN105457374 A CN 105457374A CN 201510967274 A CN201510967274 A CN 201510967274A CN 105457374 A CN105457374 A CN 105457374A
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- CN
- China
- Prior art keywords
- filter
- backwash
- rotary disc
- microporous fibre
- fiber rotary
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/17—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Materials (AREA)
Abstract
The invention provides a fiber rotary disk filter, comprising a filter tank, a filter unit, a backwashing unit, a sludge withdrawal device and a drive device, wherein the filter unit is arranged in the filter tank, the backwashing unit and the sludge withdrawal device are arranged at the bottom of the filter tank, the drive device is arranged at the top of the filter tank, and drives the filter device to rotate, the filter unit comprises a center rotary drum, rotary disks and microporous fiber filter cloth, a plurality of rotary disks are arranged at the center rotary drum in an encircling manner, each rotary disk is separated into multiple grilles, the microporous fiber filter cloth is arranged in each grille of the rotary disk. The invention also provides a sewage treatment method by utilizing the fiber rotary disk filter. The fiber rotary disk filter provided by the invention and the sewage treatment method, provided by the invention, are high in filter fineness, good and stable in filtered water quality, integrate filtration and sedimentation as a whole, have a spoil disposal function and bear impact load.
Description
Technical field
The present invention relates to technical field of sewage, concrete, relate to a kind of fiber rotary disc filter and sewage water treatment method thereof.
Background technology
Fibre turntable filter chamber is used for advanced treating and the reuse field of sewage, usually be arranged among conventional activated sludge subtraction unit, sequencing batch active sludge reaction tank (SBR), oxidation ditch, trickling filter and oxidation pond system etc., to built sewage treatment plant upgrading, water outlet can be made to reach sewage disposal one-level A standard from sewage disposal one-level B standard, and realize: 1. remove suspended solid; 2. combine and add medicament dephosphorization; 3. removal heavy metal etc.
Fiber rotary disc filter is the visual plant in sewage treatment project, is usually used in advanced treatment of wastewater, and removing total solid suspension, is the key equipment of sewage treatment plant's upgrading.Equipment mainly carries out depth-type filtration by microporous fibre filter cloth, and therefore, the filter disc supporting microporous fibre filter cloth seems very important.
Along with China's expanding economy, the contradiction of supply and demand for the water resource is becoming increasingly acute.When conventional water resource more and more can not meet the demand of the mankind to water, people pay close attention to some unconventional water resources gradually, as stain disease resource etc.By carrying out advanced treating to municipal wastewater treatment plant secondary effluent, reaching water outlet and can be back to irrigation, landscape water etc.Filtration should have technology the most general in sewerage disposing technology.But common filter plant exists following problem for the treatment of secondary treatment yielding water: one is because the pollutant of some colloidal type is difficult to be removed by filtration method, after filter, the turbidity removal effect of water may be not good enough; Two is that filter back washing effect may be bad, because the suspension of secondary treated wastewater is more, easily one deck filter membrane is formed on filter material layer surface, floccule body is attached to material surface, difficult drop-off, therefore need auxiliary flushing namely to add the method for the gentle punching of surface washing to strengthen backwash effect, thus improve disposal cost.
Summary of the invention
In order to solve, the sewage water filtration precision that above-mentioned existing fiber rotary disc filter exists is low, backwash poor performance and the higher technical problem of cost, the invention provides a kind of filtering accuracy is high, backwash performance is good and cost is low fiber rotary disc filter and sewage water treatment method thereof.
The invention provides a kind of fiber rotary disc filter, comprise filter tank, filter, back washing device, mud discharging device and drive unit, described filter is arranged at the inside in described filter tank, described back washing device and described mud discharging device are arranged at the bottom in described filter tank, described drive unit is arranged at the top in described filter tank, and filter described in transmission rotates, described filter comprises center rotary drum, rotating disk and microporous fibre filter cloth, multiple described turret loop is arranged around described center rotary drum, each described rotating disk is separated into multiple grid, described microporous fibre filter cloth is arranged in the grid of described rotating disk.
In a kind of preferred embodiment of fiber rotary disc filter provided by the invention, described filter tank comprises pond body, water inlet pipe, overflow pipe and outlet pipe, described water inlet pipe and described overflow pipe are located at body one end, described pond, the described pond body other end is located at by described outlet pipe, and the height of described overflow pipe, described water inlet pipe and described outlet pipe in the vertical direction reduces successively.
In a kind of preferred embodiment of fiber rotary disc filter provided by the invention, described filter tank also comprises a liquid level gauge, and described liquid level gauge is arranged at the top of described pond body.
In a kind of preferred embodiment of fiber rotary disc filter provided by the invention, described back washing device comprises backwashing pump, backwash valve and backwash tube, described backwash tube is communicated with described backwashing pump and described pond body is inner, described backwash valve is arranged on described backwash tube, and controls the open close of described backwash tube.
In a kind of preferred embodiment of fiber rotary disc filter provided by the invention, described mud discharging device comprises mud valve and discharge pipeline, described pond body is connected with outside by the described discharge pipeline be located at bottom it, and described mud valve is arranged at described discharge pipeline, and controls the open close of described discharge pipeline.
In a kind of preferred embodiment of fiber rotary disc filter provided by the invention, described drive unit comprises CD-ROM drive motor and driving chain, described CD-ROM drive motor is arranged at the top of described pond body, and described driving chain is in transmission connection the rotor of described CD-ROM drive motor and described center rotary drum.
In a kind of preferred embodiment of fiber rotary disc filter provided by the invention, described rotating disk adopts stainless steel material to make.
In a kind of preferred embodiment of fiber rotary disc filter provided by the invention, described microporous fibre filter cloth adopts polyester capillaries braiding to form, and the pore size filter of described microporous fibre filter cloth is 5 ~ 20 μm, can select corresponding aperture according to influent quality.
The present invention also provides a kind of sewage water treatment method utilizing described fiber rotary disc filter, comprises the following steps:
Step one, filtration:
Sewage flows into filter tank by water inlet pipe, the microporous fibre filter cloth then in each rotating disk grid, and sewage is after microporous fibre filter-cloth filtering, and clear water is discharged from outlet pipe;
Step 2, backwash:
When impurity buildups to a certain extent, the liquid level in filter tank reaches setting value, carries out backwash by starting, and washes out crossing the impurity piled up inside microporous fibre filter cloth;
Back washing device extracts clear water, is sprayed onto outside microporous fibre filter cloth, the impurity trapped inside microporous fibre filter cloth is rinsed, and after rinsing, sewage is collected outside discharger through mud discharging device;
Turntable rotation during backwash, backwash water sprays the microporous fibre filter cloth of different angles, until turntable rotation one week, microporous fibre filter cloth is all through cleaning, and backwash stopping, reentering filter process, until again carry out backwash.
Compared to prior art, fiber rotary disc filter provided by the invention and sewage water treatment method thereof have following beneficial effect:
One, described microporous fibre filter-cloth filtering precision is high, filters effluent quality good and stable, and collection filters and is deposited in one, has spoil disposal function, anti impulsion load.
Two, simple and compact device, auxiliary device is few, and the investment of whole filtration system is low, and lness ratio of plant is low, and total installed capacity power is low, runs automation, and thus operation and maintenance is simple, convenient.
Three, floor space, the loss of flood peak are all smaller, and described fiber rotary disc filter is more easily installed than traditional filter tank, design cycle and short construction period, and low to foundation requirement, construction investment is few.
Four, described fiber rotary disc filter is used for filter activity mud secondary clarifier effluent, water inlet SS=30mg/L (the highest bear 80 ~ 100mg/L), water outlet SS≤5mg/L, turbidity≤2NTU, actual motion water outlet is more excellent, and general delivery turbidity is at about 1NTU.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of fiber rotary disc filter one provided by the invention preferred embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Referring to Fig. 1, is the structural representation of fiber rotary disc filter one provided by the invention preferred embodiment.Described fiber rotary disc filter 1 comprises filter tank 11, filter 13, back washing device 15, mud discharging device 17 and drive unit 19, described filter 13 is arranged at the inside in described filter tank 11, described back washing device 15 and described mud discharging device 17 are arranged at the bottom in described filter tank 11, described drive unit 19 is arranged at the top in described filter tank 11, and drives described filter 13 to rotate.
Described filter tank 11 comprises pond body 111, water inlet pipe 113, overflow pipe 115, outlet pipe 117 and liquid level gauge 119, centre position, body 111 one end, described pond is located at by described water inlet pipe 113, described overflow pipe 115 is located at described water inlet pipe 113 with higher position, one end, described pond body 111 other end lower position is located at by described outlet pipe 117, and described liquid level gauge 119 is arranged at the top of described pond body 111.
Described filter 13 comprises center rotary drum 131, rotating disk 133 and microporous fibre filter cloth 135, described rotating disk 133 adopts stainless steel material to make, multiple described rotating disk 133 is arranged around described center rotary drum 131, each described rotating disk 133 is separated into multiple grid, described microporous fibre filter cloth 135 is arranged in the grid of described rotating disk 133, described microporous fibre filter cloth 135 adopts polyester capillaries to weave and forms, the pore size filter of described microporous fibre filter cloth 135 is 5 ~ 20 μm, can select corresponding aperture according to influent quality.
Described back washing device 15 comprises backwashing pump 151, backwash valve 153 and backwash tube 155, described backwash tube 155 is communicated with described backwashing pump 151 and described pond body 111 is inner, described backwash valve 153 is arranged on described backwash tube 155, and controls the open close of described backwash tube 155.
Described mud discharging device 17 comprises mud valve 171 and discharge pipeline 173, described discharge pipeline 173 is with perforation, be located at the bottom of described pond body 111 and be communicated with described pond body 111 with outside, described mud valve 171 is arranged on described discharge pipeline 173, and controls the open close of described discharge pipeline 173.
Described drive unit 19 comprises CD-ROM drive motor 191 and driving chain 193, and described CD-ROM drive motor 191 is arranged at the top of described pond body 111, and described driving chain 193 is in transmission connection the rotor of described CD-ROM drive motor 191 and described center rotary drum 131.
The sewage water treatment method of described fiber rotary disc filter 1 that utilizes provided by the invention comprises the following steps:
Step one, filtration:
Sewage flows into described filter tank 11 by described water inlet pipe 113, the microporous fibre filter cloth 135 then in each described rotating disk 133 grid, and sewage is after described microporous fibre filter cloth 135 filters, and clear water is discharged from described outlet pipe 117;
Step 2, backwash:
When impurity buildups to a certain extent, the liquid level in described filter tank 11 reaches setting value, carries out backwash by starting, by inside described microporous fibre filter cloth 135 pile up impurity wash out;
Described backwashing pump 151 extracts clear water, is sprayed onto outside described microporous fibre filter cloth 135, the impurity trapped inside described microporous fibre filter cloth 135 is rinsed, and after rinsing, sewage is collected outside discharger through described discharge pipeline 173;
During backwash, described rotating disk 133 rotates, and backwash water sprays the described microporous fibre filter cloth 135 of different angles, until described rotating disk 133 rotates a circle, described microporous fibre filter cloth 135 is all through cleaning, backwash stops, and reenters filter process, until again carry out backwash.
Fiber rotary disc filter 1 provided by the invention and sewage water treatment method thereof have following beneficial effect:
One, microporous fibre filter cloth 135 filtering accuracy is high, filters effluent quality good and stable, and collection filters and is deposited in one, has spoil disposal function, anti impulsion load.
Two, simple and compact device, auxiliary device is few, and the investment of whole fiber rotary disc filter 1 is low, and lness ratio of plant is low, and total installed capacity power is low, runs automation, and thus operation and maintenance is simple, convenient.
Three, floor space, the loss of flood peak are all smaller, and fiber rotary disc filter 1 is more easily installed than traditional filter tank, design cycle and short construction period, and low to foundation requirement, construction investment is few.
Four, described fiber rotary disc filter 1 is for filter activity mud secondary clarifier effluent, water inlet SS=30mg/L (the highest bear 80 ~ 100mg/L), water outlet SS≤5mg/L, turbidity≤2NTU, actual motion water outlet is more excellent, and general delivery turbidity is at about 1NTU.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. a fiber rotary disc filter, comprise filter tank, filter, back washing device, mud discharging device and drive unit, described filter is arranged at the inside in described filter tank, described back washing device and described mud discharging device are arranged at the bottom in described filter tank, described drive unit is arranged at the top in described filter tank and drives described filter, it is characterized in that, described filter comprises center rotary drum, rotating disk and microporous fibre filter cloth, multiple described turret loop is arranged around described center rotary drum, each described rotating disk is separated into multiple grid, described microporous fibre filter cloth is arranged in the grid of described rotating disk.
2. fiber rotary disc filter according to claim 1, it is characterized in that, described filter tank comprises pond body, water inlet pipe, overflow pipe and outlet pipe, described water inlet pipe and described overflow pipe are located at body one end, described pond, the described pond body other end is located at by described outlet pipe, and the height of described overflow pipe, described water inlet pipe and described outlet pipe in the vertical direction reduces successively.
3. fiber rotary disc filter according to claim 2, is characterized in that, described filter tank also comprises a liquid level gauge, and described liquid level gauge is arranged at the top of described pond body.
4. fiber rotary disc filter according to claim 1, it is characterized in that, described back washing device comprises backwashing pump, backwash valve and backwash tube, described backwash tube is communicated with described backwashing pump and described pond body is inner, described backwash valve is arranged at described backwash tube, and controls the open close of described backwash tube.
5. fiber rotary disc filter according to claim 1, it is characterized in that, described mud discharging device comprises mud valve and discharge pipeline, and described pond body is connected with outside by the described discharge pipeline be located at bottom it, described mud valve is arranged at described discharge pipeline, and controls the open close of described discharge pipeline.
6. fiber rotary disc filter according to claim 1, is characterized in that, described drive unit comprises CD-ROM drive motor and driving chain, and described CD-ROM drive motor is arranged at the top of described pond body, and drives described center rotary drum to rotate by described driving chain.
7. fiber rotary disc filter according to claim 1, is characterized in that, described rotating disk adopts stainless steel material to make.
8. fiber rotary disc filter according to claim 1, is characterized in that, described microporous fibre filter cloth adopts polyester capillaries braiding to form, and the pore size filter of described microporous fibre filter cloth is 5 ~ 20 μm, can select corresponding aperture according to influent quality.
9. utilize a sewage water treatment method for arbitrary described fiber rotary disc filter in claim 1-8, it is characterized in that, comprise the following steps:
Step one, filtration:
Sewage flows into filter tank by water inlet pipe, the microporous fibre filter cloth then in each rotating disk grid, and sewage is after microporous fibre filter-cloth filtering, and clear water is discharged from outlet pipe;
Step 2, backwash:
When impurity buildups to a certain extent, the liquid level in filter tank reaches setting value, carries out backwash by starting, and washes out crossing the impurity piled up inside microporous fibre filter cloth;
Back washing device extracts clear water, is sprayed onto outside microporous fibre filter cloth, the impurity trapped inside microporous fibre filter cloth is rinsed, and after rinsing, sewage is collected outside discharger through mud discharging device;
Turntable rotation during backwash, backwash water sprays the microporous fibre filter cloth of different angles, until turntable rotation one week, microporous fibre filter cloth is all through cleaning, and backwash stopping, reentering filter process, until again carry out backwash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967274.2A CN105457374A (en) | 2015-12-22 | 2015-12-22 | Fiber rotary disk filter and sewage treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967274.2A CN105457374A (en) | 2015-12-22 | 2015-12-22 | Fiber rotary disk filter and sewage treatment method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105457374A true CN105457374A (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510967274.2A Pending CN105457374A (en) | 2015-12-22 | 2015-12-22 | Fiber rotary disk filter and sewage treatment method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN105457374A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111704319A (en) * | 2020-06-30 | 2020-09-25 | 桂林理工大学 | Prefabricated modular municipal sewage treatment system and sewage treatment method |
| CN116159359A (en) * | 2023-03-23 | 2023-05-26 | 无锡市一庆环保设备有限公司 | Full-immersion type fiber rotary table filtering system and technology thereof |
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2015
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| KR20090087312A (en) * | 2008-02-12 | 2009-08-17 | (주)클레슨 | Apparatus for performing separation of a solid-liquid mixture |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111704319A (en) * | 2020-06-30 | 2020-09-25 | 桂林理工大学 | Prefabricated modular municipal sewage treatment system and sewage treatment method |
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| CN116159359A (en) * | 2023-03-23 | 2023-05-26 | 无锡市一庆环保设备有限公司 | Full-immersion type fiber rotary table filtering system and technology thereof |
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Application publication date: 20160406 |
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