CN106731057B - Backpulsing sand filter - Google Patents
Backpulsing sand filter Download PDFInfo
- Publication number
- CN106731057B CN106731057B CN201611202260.2A CN201611202260A CN106731057B CN 106731057 B CN106731057 B CN 106731057B CN 201611202260 A CN201611202260 A CN 201611202260A CN 106731057 B CN106731057 B CN 106731057B
- Authority
- CN
- China
- Prior art keywords
- tank
- filter
- sand filter
- filter tank
- pool bottom
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/007—Filters 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters 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
- B01D24/20—Filters 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 provided in an open container
- B01D24/26—Upward filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/38—Feed or discharge devices
- B01D24/44—Feed or discharge devices for discharging filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2101/00—Types of filters having loose filtering material
- B01D2101/04—Sand or gravel filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The present invention relates to a kind of backpulsing sand filters, including pond body, filter tank, pier stud, blowdown apparatus；The blowdown apparatus includes arch filter, stores dirty tank, pipeline, valve and dredge pump；The pool bottom connection stores dirty tank, stores dirty tank connecting pipe, and pipeline is equipped with valve and dredge pump, is provided with arch filter between the pool bottom and the dirty tank of the storage；Present invention is particularly suitable for small size pond sea water filters, it is discharged after the bottom-up filtering clarification of seawater, efficiently avoid the drawbacks of fine impurities in filter layer filler fall polluted seawater, and invention increases blowdown apparatus, sediment can timely and effectively be discharged, guarantee the degree of purity and the rate of filtration of seawater after filtering.
Description
Technical field
The invention belongs to the technical fields of Water warfare, more particularly to a kind of backpulsing sand filter.
Background technique
Water quality is an important factor for influencing Phytoplankton & Suspension culture efficiency.In breeding phase, algae is higher to water quality requirement, right
The reaction of stimulant is sensitive, careless slightly to will lead to large-scale death.The water body of breeding seawater algae is often to carry out autotrophy
The sea of area peripheral edge is grown, contains the impurity to suspend in seawater, it is also possible to containing pathogenic bacteria, helminth etc., so having very much must
The seawater of importing precipitated, be filtered, bacteria removing etc..In the cultivation of small size pond Phytoplankton & Suspension, often through sand filter
Suspended matter, impurity in filtering sea etc..
Currently used gravity type sand filter, the structure as disclosed in patent application 201520742346.9, sewage is from upper
And it is lower bottom is reached by filtering layer, obtain and compare clear water source, have in terms of sea water filter with low energy consumption and being easy to use
It is widely applied.But with the increase of filtration yield, the suspended matter that filter layer is retained is more and more, not only in filter layer
Bacterium and harmful organism can be more and more, and filter effect can worse and worse, and filter layer cleans very inconvenient, service life
It is very limited.
Occurs a kind of novel sand filter on the market, as disclosed in patent application 201020171965.4, raw water is certainly
It is discharged after the lower clarification of filtering upwards, but the sand filter cannot timely and effectively handle the impurity for being deposited on sand filtration bottom of pond portion, make
Long afterwards with the time, impurity meeting plug filter layer seriously affects filter effect, and the difficulty of sand filter cleaning sediment is very
Greatly, it has not been convenient to operate.
Summary of the invention
In order to solve defect existing for current sand filter, the present invention provides a kind of backpulsing sand filter, is particularly suitable for small
Water body sea water filter is discharged after the bottom-up filtering clarification of seawater, and the fine impurities efficiently avoided in filter layer filler are fallen
The drawbacks of lower polluted seawater, and invention increases blowdown apparatus, and sediment can timely and effectively be discharged, after guaranteeing filtering
The degree of purity and the rate of filtration of seawater.
The present invention relates to a kind of backpulsing sand filters, including pond body, filter tank, pier stud, blowdown apparatus；The blowdown apparatus packet
Filter containing arch stores dirty tank, pipeline, valve and dredge pump；The pool bottom connection stores dirty tank, stores dirty tank connecting pipe,
Pipeline is equipped with valve and dredge pump, is provided with arch filter between the pool bottom and the dirty tank of the storage；
The filter tank includes coarse sand filter tank, fine sand filter tank；
Coarse sand filler is equipped with inside the coarse sand filter tank, coarse sand filler top is that hydrospace, coarse sand filter tank bottom are matched in top
To there is the cement baffle of permeable hole, the intensified nylon filter that aperture is less than coarse sand filler, cement baffle are provided on cement baffle
Be provided with pier stud between pool bottom, the side in coarse sand filter tank is equipped with the inlet channel of connection pool bottom, the other side be equipped with
Match the outlet canal of hydrospace connection in top；
Fine sand filler is equipped with inside the fine sand filter tank, fine sand filler top is that hydrospace, fine sand filter tank bottom are matched in top
To there is the cement baffle of permeable hole, the intensified nylon filter that aperture is less than fine sand filler, cement baffle are provided on cement baffle
Pier stud is provided between pool bottom, the side in fine sand filter tank is to be connected to the inlet channel for matching hydrospace at the top of coarse sand filter tank, separately
Side, which is equipped with, matches the outlet canal that hydrospace is connected to top；
The arch filter includes arch filter screen and the storage dirt mouth in eight word bell mouth shapes, and the setting for storing dirty mouth can
Pool bottom is sprung back over to prevent from storing the sediment in dirty tank, arch filter screen can intercept the bulky grains such as rubble in water, with
Exempt from the bulky grains such as rubble in water and enter the dirty tank of storage, destroys dredge pump when extracting sediment out；
The pool bottom is coated with aquatic products paint special, and for improving cement bottom surface smoothness, pool bottom has certain
Gradient, preferably 5 ° to 10 ° of inclination angle focus on the dirty tank of storage convenient for sediment.
Valve and dredge pump are usually in close state, and when needing to clear up the sediment in the dirty tank of storage, are opened valve, are opened
Dynamic dredge pump, by sediment, sewage extraction, until becoming clear until storing the water in dirty tank, while not influencing sand filter use,
Quickly and easily clear up sediment.
Further, when needing depth to clear up, the outlet canal in fine sand filter tank is blocked, opens valve, starts dredge pump, top
Portion from top to bottom sweeps away the impurity in filler with the seawater of hydrospace, and dredge pump drains sediment, sewage, disassembly blowdown dress
It sets, cleaning is intercepted at the impurity such as the bulky grain stone of pool bottom.
Compared with prior art, the present invention having the advantage that
(1) present invention setting two-stage sand filter, seawater first pass through coarse sand filler, primary primary water are obtained, using fine sand
Filler, finally obtained seawater degree of purity is higher, and primary primary water has been subjected to primary filtration, it is not easy to block fine sand and fill out
Material accelerates the rate of filtration；
(2) suspended things are stayed in bottom by gravity and stored in dirty tank by the present invention, after the bottom-up filtering clarification of seawater
Discharge efficiently avoids fine impurities and falls and the drawbacks of polluted seawater, while solving precipitate bulk in pool bottom,
The problem of influencing the rate of filtration；
(3) aquatic products paint special is coated in pool bottom, improves cement bottom surface smoothness, makes the harmful organisms such as bacterium so not
It is easy breeding, while pool bottom is equipped with certain gradient, focuses on and stored in dirty tank convenient for sediment, stores dirty mouth in eight words
Bell mouth shape, such setting can prevent the sediment stored in dirty tank to be flushed to pool bottom again；
(4) dirty tank connecting pipe, connecting valve and dredge pump on pipeline are stored, valve usually bars up, dirty when needing to clear up storage
When sediment in tank, valve is opened, starts dredge pump, sediment is extracted out, it is convenient while not influencing sand filter and using
Sediment is rapidly cleared up, effectively extends the service life of sand filter, and easy to operate, it is practical.
Detailed description of the invention
Fig. 1 is the planar structure schematic diagram of backpulsing sand filter of the present invention, 1 fine sand filter tank in figure, 2 outlet canals, and 3 fine sands are filled out
Material, semi-finals power nylon filter, 5 pier studs, 6 arch filters, 7 store dirty tank, 8 valves, 9 dredge pumps, 10 aquatic products paint specials, 11 coarse sands
Filler, 12 coarse sand filter tanks, 13 pond bodies, 14 inlet channels.
Fig. 2 is the planar structure schematic diagram of blowdown apparatus.
Specific embodiment
The present invention will be further described below with reference to examples.
With reference to Fig. 1 and Fig. 2, a kind of backpulsing sand filter, including pond body, inlet channel, coarse sand filter tank, coarse sand, intensified nylon
Filter, pier stud, blowdown apparatus, fine sand filter tank, fine sand, outlet canal；The blowdown apparatus includes arch filter, stores dirty tank, pipe
Road, valve and dredge pump；The arch filter includes arch filter screen and the storage dirt mouth in eight word bell mouth shapes.
The seawater that need to be filtered matches hydrospace, the pressure that filtering sea passes through water level by the bottom that inlet channel enters coarse sand filter tank
Difference passes upward through coarse sand filler, obtains primary primary water, and primary primary water matches hydrospace from the top of coarse sand filler, by water inlet
Canal matches hydrospace into the bottom in fine sand filter tank, then passes upward through fine sand filler by the pressure difference of water level, finally from outlet canal
Outflow obtains clarification seawater.The left side wall in fine sand filter tank is higher than the right side wall in coarse sand filter tank, and primary primary water is avoided to pour in
Match hydrospace in the top in fine sand filter tank.
The granular size of coarse sand and fine sand, sand layer thickness, by clarifying degree of purity, the filtering sea of seawater in actual use
The elements such as amount are determined.
During the filtration process, due to continuously injecting filtering sea, pool bottom has certain gradient, Er Qieqi
Surface is coated with aquatic products paint special, enhances surface flatness, impurity, little particle etc. can concentrate inflow to store dirty tank, and be deposited in pipeline
It is interior.Valve and dredge pump are usually in close state, and when needing to clear up the sediment in the dirty tank of storage, open valve, starting row
Dirt pump, it is convenient while not influencing sand filter use until becoming clear until storing the water in dirty tank by sediment, sewage extraction
Rapidly clear up sediment.
Further, when needing depth to clear up, the outlet canal in fine sand filter tank is blocked, opens valve, starts dredge pump, top
Portion from top to bottom sweeps away the impurity in filler with the seawater of hydrospace, and dredge pump drains sediment, sewage, disassembly blowdown dress
It sets, cleaning is intercepted at the impurity such as the bulky grain stone of pool bottom.
Claims (3)
1. a kind of backpulsing sand filter, which is characterized in that including pond body, filter tank, pier stud, blowdown apparatus；The blowdown apparatus packet
Filter containing arch stores dirty tank, pipeline, valve and dredge pump；The pool bottom connection stores dirty tank, stores dirty tank connecting pipe,
Pipeline is equipped with valve and dredge pump, is provided with arch filter between the pool bottom and the dirty tank of the storage；The arch
Filter includes arch filter screen and the storage dirt mouth in eight word bell mouth shapes；The pool bottom is coated with aquatic products paint special,
5 ° to 10 ° of inclination angle is arranged in pool bottom；The filter tank includes coarse sand filter tank, fine sand filter tank；It is set inside the coarse sand filter tank
There is coarse sand filler, coarse sand filler top is that hydrospace is matched at top, and the side in coarse sand filter tank is equipped with the inlet channel of connection pool bottom,
The other side, which is equipped with, matches the outlet canal that hydrospace is connected to top；Fine sand filler is equipped with inside the fine sand filter tank, on fine sand filler
Portion is that hydrospace is matched at top, and the side in fine sand filter tank is to be connected to the inlet channel for matching hydrospace at the top of coarse sand filter tank, and the other side is equipped with
Match the outlet canal that hydrospace is connected to top.
2. backpulsing sand filter according to claim 1, which is characterized in that coarse sand filter tank bottom is to have permeable hole
Cement baffle, is provided with the intensified nylon filter that aperture is less than coarse sand filler on cement baffle, cement baffle and pool bottom it
Between be provided with pier stud；Fine sand filter tank bottom is the cement baffle for having permeable hole, and aperture is provided on cement baffle and is less than carefully
The intensified nylon filter of sand fill, is provided with pier stud between cement baffle and pool bottom.
3. the method for cleaning of backpulsing sand filter according to claim 1, which is characterized in that comprise the following steps, block
The outlet canal in fine sand filter tank opens valve, starts dredge pump, seawater of the top with hydrospace is from top to bottom by the impurity in filler
It sweeps away, dredge pump drains sediment, sewage, dismantles blowdown apparatus, and cleaning is intercepted at bulky grain stone of pool bottom etc.
Impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611202260.2A CN106731057B (en) | 2016-12-23 | 2016-12-23 | Backpulsing sand filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611202260.2A CN106731057B (en) | 2016-12-23 | 2016-12-23 | Backpulsing sand filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106731057A CN106731057A (en) | 2017-05-31 |
| CN106731057B true CN106731057B (en) | 2019-05-31 |
Family
ID=58899816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611202260.2A Active CN106731057B (en) | 2016-12-23 | 2016-12-23 | Backpulsing sand filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106731057B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1096231A (en) * | 1993-11-01 | 1994-12-14 | 梁克诚 | Permeating canal type under water device for purifying water |
| CN1850626A (en) * | 2005-04-22 | 2006-10-25 | 沈兴 | Efficient water treatment device |
| WO2011084172A1 (en) * | 2010-01-08 | 2011-07-14 | Parkson Corporation | Apparatus for treating liquid containing impurities |
| KR20110094158A (en) * | 2010-02-14 | 2011-08-22 | 박장민 | Filtering apparatus for waste-water treatment |
| CN102847352A (en) * | 2012-09-26 | 2013-01-02 | 湖北中碧环保科技有限公司 | Water treatment method and device for synchronously realizing filtering and back washing |
| CN204319854U (en) * | 2014-11-03 | 2015-05-13 | 孙振坤 | A kind of Novel filter device adopting air-water backwashing technique |
| CN105536307A (en) * | 2016-01-27 | 2016-05-04 | 山东金昊三扬环保机械股份有限公司 | Adjustable quartz sand filter |
-
2016
- 2016-12-23 CN CN201611202260.2A patent/CN106731057B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1096231A (en) * | 1993-11-01 | 1994-12-14 | 梁克诚 | Permeating canal type under water device for purifying water |
| CN1031691C (en) * | 1993-11-01 | 1996-05-01 | 梁克诚 | Permeating canal type under water device for purifying water |
| CN1850626A (en) * | 2005-04-22 | 2006-10-25 | 沈兴 | Efficient water treatment device |
| WO2011084172A1 (en) * | 2010-01-08 | 2011-07-14 | Parkson Corporation | Apparatus for treating liquid containing impurities |
| KR20110094158A (en) * | 2010-02-14 | 2011-08-22 | 박장민 | Filtering apparatus for waste-water treatment |
| CN102847352A (en) * | 2012-09-26 | 2013-01-02 | 湖北中碧环保科技有限公司 | Water treatment method and device for synchronously realizing filtering and back washing |
| CN204319854U (en) * | 2014-11-03 | 2015-05-13 | 孙振坤 | A kind of Novel filter device adopting air-water backwashing technique |
| CN105536307A (en) * | 2016-01-27 | 2016-05-04 | 山东金昊三扬环保机械股份有限公司 | Adjustable quartz sand filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106731057A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2937166T3 (en) | Multilayer Media Bed Filter with Enhanced Backwash | |
| CN207941295U (en) | Settlement of sewage processing system | |
| CN103285661A (en) | Solid-liquid separation device for waste water suspended matters | |
| CN109078389A (en) | A kind of sewage water filtration removal of impurities processing unit | |
| CN209501042U (en) | A kind of filter device | |
| CN105036381B (en) | A kind of water supply line filter device | |
| CN103239905A (en) | Siphon type valveless filtering pool | |
| CN106731057B (en) | Backpulsing sand filter | |
| CN103285660B (en) | A kind of circulating water device for prawn culturing and method of work thereof | |
| CN209361942U (en) | A kind of anti-clogging eddy flow sieve solid-liquid separator for sewage treatment | |
| CN105999776A (en) | Sludge layer filtering and settling pond and method thereof | |
| CN201186173Y (en) | Sand and water separator | |
| CN205867667U (en) | Mud slag blanket filter tank | |
| CN104496056A (en) | Method and device for treating high-turbidity source water | |
| US20100072118A1 (en) | Low operating head polishing sand filter | |
| CN205099485U (en) | All -in -one is strained to full -automatic aeration essence of water conservancy | |
| CN204342580U (en) | A kind of small movable disposes the water purifying plant of high concentrtion source water | |
| CN209161620U (en) | A kind of integral type too many levels pretreatment water tank | |
| CN209489325U (en) | Culturing pool circulating treating system | |
| CN208747791U (en) | Lake filter | |
| CN109481985A (en) | A kind of mechanical filter | |
| CN202156973U (en) | Reusing system for recycled water | |
| CN211141763U (en) | Water quality purification system | |
| CN213760879U (en) | Sewage pipeline dirt settling device | |
| CN204689763U (en) | A kind of water supply line filtration unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170531 Assignee: HAINAN JUNENG TECHNOLOGY INNOVATION RESEARCH INSTITUTE Co.,Ltd. Assignor: HAINAN GREEN ALGAE WORLD BIOTECHNOLOGY Co.,Ltd. Contract record no.: X2020980009684 Denomination of invention: Backwash sand filter Granted publication date: 20190531 License type: Common License Record date: 20201221 |
|
| EE01 | Entry into force of recordation of patent licensing contract |