CN108479190A - A kind of continuous floating bed filtering settled sand filter unit and application method - Google Patents
A kind of continuous floating bed filtering settled sand filter unit and application method Download PDFInfo
- Publication number
- CN108479190A CN108479190A CN201810607609.3A CN201810607609A CN108479190A CN 108479190 A CN108479190 A CN 108479190A CN 201810607609 A CN201810607609 A CN 201810607609A CN 108479190 A CN108479190 A CN 108479190A
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- CN
- China
- Prior art keywords
- sand filter
- floating bed
- preprocessor
- outlet tube
- filter unit
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
Abstract
A kind of continuous floating bed filtering settled sand filter unit and application method, are related to the technical field of water treatment facilities.The top of preprocessor of the present invention is equipped with the first inlet tube, overflow launder and the overflow launder outlet tube being connect with overflow launder, and the side wall upper part of preprocessor is equipped with clear liquid outlet tube, and preprocessor bottom is equipped with the first blowdown valve；The top that the floating bed filtering settles sand filter is equipped with outlet tube, and the middle and lower part in floating bed filtering sedimentation sand filter is equipped with the second inlet tube, and the return duct that the inlet of second inlet tube is connect with clear liquid outlet tube, air inlet pipe, one end and outlet tube respectively connects；The bottom of floating bed filtering sedimentation sand filter is equipped with visor and the second blowdown valve, and the tank interior of floating bed filtering sedimentation sand filter sets gradually web plate, filler, grid from top to bottom.The present invention realizes that structure is simpler, filtering accuracy is high, can the easier purpose of on-line regeneration and excellent effect, operation.
Description
Technical field
The present invention relates to the technical fields of water treatment facilities, more particularly to continuous floating bed filters the skill of settled sand filter unit
Art field.
Background technology
Existing water treatment filtering equipment type has very much, wherein most commonly seen with sand filter, these sand filters are mostly with stone
Sand, anthracite, fibrous nodules etc. are used as filler, and filler mostly uses greatly fixed bed mode, and the sand filter of this form existed
The filter problem that precision is low, filter capacity is unstable is difficult to realize on-line regeneration after filler pollution, needs to frequently replace filler, difficult
To meet the water filtering requirement of long-term big load.
Invention content
The object of the present invention is to provide a kind of structures more simply, filtering accuracy is high, can on-line regeneration and excellent effect, operation
Easier continuous floating bed filtering settled sand filter unit and application method.
The purpose of the present invention can reach by using following technical solution：
A kind of continuous floating bed filtering settled sand filter unit, including sequentially connected preprocessor and floating bed filter settled sand
The top of filter, the preprocessor is equipped with the first inlet tube, overflow launder and the overflow launder outlet tube being connect with overflow launder, pre- to locate
The side wall upper part for managing device is equipped with clear liquid outlet tube, and preprocessor bottom is equipped with the first blowdown valve；The floating bed filtering sedimentation sand filtration
The top of device is equipped with outlet tube, and the middle and lower part in floating bed filtering sedimentation sand filter is equipped with the second inlet tube, second inlet tube
Inlet connect respectively with clear liquid outlet tube, air inlet pipe, one end and outlet tube return duct connection；Floating bed filtering sedimentation sand filtration
The bottom of device is equipped with visor and the second blowdown valve, and the tank interior of floating bed filtering sedimentation sand filter sets gradually net from top to bottom
Plate, filler, grid.
Moreover, in order to strengthen sedimentation and the floating effect of solid suspension, the first inlet tube of the invention,
Two inlet tubes are to fall to plug in central tube with oviduct.
Moreover for the ease of filler on-line regeneration, the second inlet tube of the invention is connected to air inlet pipe, air inlet
Pipe admission pressure is 0.05~0.25Mpa.
Moreover, in order to ensure filter effect, filler of the invention is the hollow of 3 kinds of different real densities and grain size
The parameter of glass microballoon, 3 kinds of hollow glass micropearls is：Real density is 0.58-0.64g/cm3, grain size is 22-48 μm of hollow glass
Glass microballon, real density 0.39-0.49g/cm3, the hollow glass micropearl that grain size is 50-95 μm, real density 0.30-0.35g/
cm3, the hollow glass micropearl that grain size is 25-55 μm, and selected real density is 0.39-0.49g/cm3Hollow glass micropearl grain
Diameter is maximum.
Moreover, the mesh number of filler leakage in order to prevent, web plate of the present invention is 550~800 mesh.
Moreover, in order to ensure the stability of filling batch, the mesh number of grid of the present invention is 325~600 mesh.
A kind of continuous floating bed based on the present invention filters the application method of settled sand filter unit, includes the following steps：
The first step：Sand filter is built-in fills out hollow glass micropearl for floating bed filtering sedimentation, then by the second inlet tube to floating bed
Uniform filling is raised to top filler region by gentle water filling in filtering sedimentation sand filter；
Second step：Waste water enters preprocessor from the first inlet tube, and 2~10min is stopped in preprocessor, and clear liquid is from side
Upper clear supernate outlet tube flows out, and heavy solid is sink to bottom and is discharged from the first blowdown valve, and the suspended matter of light specific gravity floats on pre-
The interior liquid level of pretreatment is improved by the floating material overflow at top to overflow launder, overflow tank liquid in the top of processor by interval
It is discharged by overflow launder outlet tube；
Third walks：The liquid flowed out from the clear liquid outlet tube of preprocessor enters floating bed filtering sedimentation by the second inlet tube
Sand filter, liquid filter sedimentation sand filter in floating bed and stop 5~30min, and liquid is passed through with the flow velocity of 0.1cm/s~0.5cm/s
Filler is discharged from outlet tube, and initial stage runs muddy water and returns to the second inlet tube up to clarification of water, closing volume pipe, proportion from return duct
Big solid is sink to bottom and is discharged from the second blowdown valve；
4th step：When floating bed filtering settler occurs returning 5% or more muddy or water yield decline, temporary close clear liquid goes out
Liquid pipe stops charging, opens the second blowdown valve discharge section water, and filler liquid level is down to grid lower edge, opens air inlet pipe to floating bed
Filtering settler, which blasts the compressed air of 0.05~0.25Mpa, allows hollow glass micropearl to seethe 0.5min~5min, then from the
The continuation of two blowdown valves gently releases water, when visor observes hollow glass micropearl filler, closes the second blowdown valve, completes to fill out
The recoil regenerative operation of material, you can feed liquor again.
The advantageous effects of the present invention：Continuous floating bed filtering settled sand filter unit according to the invention and user
Method, apparatus structure is simpler, filtering accuracy is high, can on-line regeneration and excellent effect, operation it is easier, solve common sand filter
Filter medium easily by dirt contamination, filtering accuracy is low, be difficult to realize thoroughly clean the problems such as, water containing solid waste use apparatus of the present invention
And application method is handled, and can effectively remove the suspended matter in sewage, and have significantly to organic matter, the colloid etc. in sewage
Removal acts on, and 5 microns and the above suspended matter removal efficiency are particularly suitable for the outstanding of rainwater and the waste water containing activated carbon up to 99.9% or more
Float removes, and device processing load is big, regeneration is easy, can long-term continuous and steady operation.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of the present invention.
In figure：1- preprocessors, 2- floating beds filtering sedimentation sand filter, the first inlet tubes of 3-, 4- clear liquid outlet tubes, 5- overflows
Slot, the first blowdown valves of 6-, 7- overflow launder outlet tubes, the second inlet tubes of 8-, 9- outlet tubes, 10- fillers, 11- web plates, 12- grids,
The second blowdown valves of 13-, 14- visors, 15- return ducts, 16- air inlet pipe.
Specific implementation mode
To make the more clear and clear technical scheme of the present invention of those skilled in the art, with reference to embodiment and attached drawing
The present invention is described in further detail, and embodiments of the present invention are not limited thereto.
As shown in Figure 1, a kind of continuous floating bed filters settled sand filter unit, including preprocessor 1 and floating bed filtering sedimentation
Sand filter 2, preprocessor 1 are series arrangement with floating bed filtering sedimentation sand filter 2, and 1 top of preprocessor is equipped with the first inlet tube
3, overflow launder 5 and overflow launder outlet tube 7, preprocessor side wall upper part are equipped with clear liquid outlet tube 4, and preprocessor bottom is equipped with first
Blowdown valve 6,2 top of floating bed filtering sedimentation sand filter are equipped with outlet tube 9, the second inlet tube 8 are equipped in the middle part of side wall, floating bed filtering is heavy
It drops 2 bottom of sand filter and is equipped with visor 14 and the second blowdown valve 13, floating bed filtering settles at the top of 2 tank interior of floating bed sand filter from upper
And have web plate 11, filler 10, grid 12.
In the present embodiment, as shown in Figure 1, first inlet tube 3, the second inlet tube 8 are during falling with oviduct is slotting
Heart pipe；The outlet tube 9 is equipped with return duct 15, and return duct 15 is connected to by pipeline with the second inlet tube 8；Second inlet tube
8 are connected to air inlet pipe 16.
In the present embodiment, as shown in Figure 1,16 admission pressure of the air inlet pipe is 0.10Mpa；The filler 10 is 3 kinds
The parameter of the hollow glass micropearl of different real densities and grain size, 3 kinds of hollow glass micropearls is：Real density is 0.58g/cm3, grain size
For 22 μm of hollow glass micropearl, real density 0.45g/cm3, grain size is 90 μm of hollow glass micropearl, and real density is
0.30g/cm3, grain size is 25 μm of hollow glass micropearl；The mesh number of the web plate 11 is 650 mesh；The mesh number of the grid 12 is
400 mesh.
In the present embodiment, the application method of continuous floating bed filtering settled sand filter unit, includes the following steps：
The first step：The hollow glass micropearl of 3 kinds of different-grain diameters is loaded in floating bed filtering sedimentation sand filter 2 according to difference in specific gravity,
Volume ratio is 1:1:1, gentle water filling in sedimentation sand filter 2 is then filtered to floating bed by the second inlet tube 8, uniform filling is lifted
Rise to top 10 region of filler；
Second step：Rainwater or waste water containing activated carbon enter preprocessor 1 from the first inlet tube 3, are stopped in preprocessor 1
3min, clear liquid are flowed out from upper lateral part clear liquid outlet tube 4, and heavy solid is sink to bottom and is discharged from the first blowdown valve 6, light specific gravity
Suspended matter float on the top of preprocessor 1, liquid level is improved in preprocessor 1 by the floating material overflow at top to overflowing by interval
Chute 5, liquid passes through overflow launder outlet tube 7 and is discharged in overflow launder 5；
Third walks：The liquid flowed out from the clear liquid outlet tube 4 of preprocessor 1 enters floating bed mistake by the second inlet tube (8)
Filter sedimentation sand filter 2, liquid filter sedimentation sand filter 2 in floating bed and stop 10min, and liquid passes through filler with the flow velocity of 0.2cm/s
10 are discharged from outlet tube 9, and initial stage runs muddy water and returns to the second inlet tube 8 up to clarification of water from return duct 15, closing volume pipe 15,
Heavy solid is sink to bottom and is discharged from the second blowdown valve 13；
4th step：When floating bed filtering settler 2 occurs returning muddy, temporary close clear liquid outlet tube 4 stops charging, opens
10 liquid level of filler is down to 12 lower edge of grid by 13 discharge section water of the second blowdown valve, is opened air inlet pipe 16 and is filtered sedimentation to floating bed
The compressed air that device 2 blasts 0.10Mpa allows hollow glass micropearl to seethe 1min, then continues water gently from the second blowdown valve 13
It releases, when visor 14 observes hollow glass micropearl filler, closes the second blowdown valve 13, complete the recoil regeneration behaviour of filler
Make, again feed liquor.
The above, further embodiment only of the present invention, but scope of protection of the present invention is not limited thereto, and it is any
Within the scope of the present disclosure, according to the technique and scheme of the present invention and its design adds those familiar with the art
With equivalent substitution or change, protection scope of the present invention is belonged to.
Claims (9)
1. a kind of continuous floating bed filters settled sand filter unit, it is characterised in that including sequentially connected preprocessor (1) and float
The top of bed filtering sedimentation sand filter (2), the preprocessor (1) is equipped with the first inlet tube (3), overflow launder (5) and and overflow
The side wall upper part of the overflow launder outlet tube (7) of slot (5) connection, preprocessor (1) is equipped with clear liquid outlet tube (4), preprocessor (1)
Bottom is equipped with the first blowdown valve (6)；The top of the floating bed filtering sedimentation sand filter (2) is equipped with outlet tube (9), and floating bed filtering is heavy
The middle and lower part dropped in sand filter (2) is equipped with the second inlet tube (8), and the inlet of second inlet tube (8) goes out with clear liquid respectively
Liquid pipe (4), air inlet pipe (16), one end and the return duct (15) of outlet tube (9) connection connect；Floating bed filtering sedimentation sand filter (2)
Bottom be equipped with visor (14) and the second blowdown valve (13), floating bed filtering sedimentation sand filter (2) tank interior from top to bottom according to
Secondary setting web plate (11), filler (10), grid (12).
2. continuous floating bed according to claim 1 filters settled sand filter unit, which is characterized in that first inlet tube
(3), the second inlet tube (8) is to fall to plug in central tube with oviduct.
3. continuous floating bed according to claim 1 filters settled sand filter unit, which is characterized in that the filler (10)
For hollow glass micropearl.
4. continuous floating bed according to claim 3 filters settled sand filter unit, which is characterized in that the hollow glass is micro-
Pearl is one or more in following three kinds：Real density is 0.58-0.64g/cm3, grain size is that 22-48 μm of hollow glass is micro-
Pearl；Real density is 0.39-0.49g/cm3, grain size is 50-95 μm of hollow glass micropearl；Real density is 0.30-0.35g/cm3,
The hollow glass micropearl that grain size is 25-55 μm.
5. continuous floating bed according to claim 1 filters settled sand filter unit, which is characterized in that the web plate (11)
Mesh number is 550~800 mesh.
6. continuous floating bed according to claim 1 filters settled sand filter unit, which is characterized in that the grid (12)
Mesh number is 325~600 mesh.
7. continuous floating bed according to claim 1 filters settled sand filter unit, which is characterized in that the air inlet pipe (16)
Admission pressure be 0.05~0.25Mpa.
8. filtering the application method of settled sand filter unit based on continuous floating bed described in claim 1, it is characterised in that including
Following steps：
The first step：Floating bed filtering sedimentation sand filter (2) is built-in to fill out hollow glass micropearl, then by the second inlet tube (8) to floating
Uniform filling is raised to top filler (10) region by gentle water filling in bed filtering sedimentation sand filter (2)；
Second step：Waste water enters preprocessor (1) from the first inlet tube (3), 2~10min is stopped in preprocessor (1), clearly
Liquid is flowed out from upper lateral part clear liquid outlet tube (4), and heavy solid is sink to bottom and is discharged from the first blowdown valve (6), light specific gravity
Suspended matter floats on the top of preprocessor (1), by interval improve pretreatment (1) interior liquid level by the floating material overflow at top to overflow
Chute (5), overflow launder (5) interior liquid are discharged by overflow launder outlet tube (7)；
Third walks：The liquid flowed out from the clear liquid outlet tube (4) of preprocessor (1) enters floating bed mistake by the second inlet tube (8)
Filter sedimentation sand filter (2), liquid filter sedimentation sand filter (2) in floating bed and stop 5~30min, and liquid is with 0.1cm/s~0.5cm/
The flow velocity of s passes through filler (10) to be discharged from outlet tube (9), and initial stage runs muddy water and returns to the second inlet tube (8) from return duct (15)
Until clarification of water, closing volume pipe (15), heavy solid are sink to bottom and are discharged from the second blowdown valve (13)；
4th step：When floating bed filtering settler (2) occurs returning 5% or more muddy or water yield decline, temporary close clear liquid goes out
Liquid pipe (4) stops charging, opens the second blowdown valve (13) discharge section water, filler (10) liquid level is down to grid (12) lower edge,
The compressed air that opening air inlet pipe (16) blasts 0.05~0.25Mpa to floating bed filtering settler (2) allows hollow glass micropearl to turn over
0.5min~5min is risen, then gently water is released from the second blowdown valve (13) continuation, waits for that visor (14) observes hollow glass
When microballon filler, the second blowdown valve (13) is closed, completes the recoil regenerative operation of filler, you can feed liquor again.
9. the application method of the continuous floating bed filtering settled sand filter unit according to claim 4 or 8, it is characterised in that on
The hollow glass micropearl for being filtered to floating bed in the first step and loading three kinds of different-grain diameters in sedimentation sand filter (2) according to difference in specific gravity is stated,
Volume ratio is 1~3:1~3:1~3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810607609.3A CN108479190A (en) | 2018-06-13 | 2018-06-13 | A kind of continuous floating bed filtering settled sand filter unit and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810607609.3A CN108479190A (en) | 2018-06-13 | 2018-06-13 | A kind of continuous floating bed filtering settled sand filter unit and application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108479190A true CN108479190A (en) | 2018-09-04 |
Family
ID=63342466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810607609.3A Withdrawn CN108479190A (en) | 2018-06-13 | 2018-06-13 | A kind of continuous floating bed filtering settled sand filter unit and application method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108479190A (en) |
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|---|---|---|---|---|
| CN1119961A (en) * | 1994-08-15 | 1996-04-10 | 大和工业株式会社 | Reverse washing method of water processing apparatus using floating filtering material |
| CN1706760A (en) * | 2004-06-09 | 2005-12-14 | 高斌 | City sewage treating process and system |
| AU2006222735A1 (en) * | 2005-10-06 | 2007-04-26 | Robert Hume Pannell | Multi-media clarifier or thickener |
| CN101152609A (en) * | 2006-09-25 | 2008-04-02 | 葛敬 | Float bed filter |
| CN201263910Y (en) * | 2008-06-30 | 2009-07-01 | 中冶东方工程技术有限公司 | Upward flow filtering equipment |
| CN201524461U (en) * | 2009-10-09 | 2010-07-14 | 陈迪飞 | Water filter |
| CN202410274U (en) * | 2012-01-09 | 2012-09-05 | 中国市政工程西北设计研究院有限公司天津分院 | Filter for upward flow suspension filter materials |
| CN203095800U (en) * | 2013-01-18 | 2013-07-31 | 合肥市瑞宏铸造有限公司 | Sewage treatment system for fired mold precise casting workshop |
| KR101411700B1 (en) * | 2014-02-03 | 2014-06-25 | 한국정수공업 주식회사 | Bundle Fiber Bits Filter with floats |
| CN105251253A (en) * | 2015-11-10 | 2016-01-20 | 广州雅创环保科技有限公司 | Upflow type sewage precipitating and filtering equipment |
| CN206342985U (en) * | 2017-01-03 | 2017-07-21 | 深圳能恩伟业能源投资有限公司 | Novel sewage treatment unit |
| CN208493525U (en) * | 2018-06-13 | 2019-02-15 | 南京圣卡孚科技有限公司 | A kind of continuous floating bed filtering settled sand filter unit |
-
2018
- 2018-06-13 CN CN201810607609.3A patent/CN108479190A/en not_active Withdrawn
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1119961A (en) * | 1994-08-15 | 1996-04-10 | 大和工业株式会社 | Reverse washing method of water processing apparatus using floating filtering material |
| CN1706760A (en) * | 2004-06-09 | 2005-12-14 | 高斌 | City sewage treating process and system |
| AU2006222735A1 (en) * | 2005-10-06 | 2007-04-26 | Robert Hume Pannell | Multi-media clarifier or thickener |
| CN101152609A (en) * | 2006-09-25 | 2008-04-02 | 葛敬 | Float bed filter |
| CN201263910Y (en) * | 2008-06-30 | 2009-07-01 | 中冶东方工程技术有限公司 | Upward flow filtering equipment |
| CN201524461U (en) * | 2009-10-09 | 2010-07-14 | 陈迪飞 | Water filter |
| CN202410274U (en) * | 2012-01-09 | 2012-09-05 | 中国市政工程西北设计研究院有限公司天津分院 | Filter for upward flow suspension filter materials |
| CN203095800U (en) * | 2013-01-18 | 2013-07-31 | 合肥市瑞宏铸造有限公司 | Sewage treatment system for fired mold precise casting workshop |
| KR101411700B1 (en) * | 2014-02-03 | 2014-06-25 | 한국정수공업 주식회사 | Bundle Fiber Bits Filter with floats |
| CN105251253A (en) * | 2015-11-10 | 2016-01-20 | 广州雅创环保科技有限公司 | Upflow type sewage precipitating and filtering equipment |
| CN206342985U (en) * | 2017-01-03 | 2017-07-21 | 深圳能恩伟业能源投资有限公司 | Novel sewage treatment unit |
| CN208493525U (en) * | 2018-06-13 | 2019-02-15 | 南京圣卡孚科技有限公司 | A kind of continuous floating bed filtering settled sand filter unit |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180904 |