CN104511188A - Novel filter tank - Google Patents
Novel filter tank Download PDFInfo
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- CN104511188A CN104511188A CN201310459040.8A CN201310459040A CN104511188A CN 104511188 A CN104511188 A CN 104511188A CN 201310459040 A CN201310459040 A CN 201310459040A CN 104511188 A CN104511188 A CN 104511188A
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- pipe
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- tank body
- water inlet
- inlet pipe
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Abstract
The invention relates to a novel filter tank which comprises a tank body, a water collection pipe and a water distribution pipe. A water inlet pipe, a water outlet pipe, an air outlet pipe and a back wash water drainage pipe are arranged on the tank body. A manhole and an observation hole are arranged on the lateral side of the tank body. The water distribution pipe is arranged on the upper portion of the interior of the tank body and connected with the water inlet pipe. Orifices are arranged upwards. A back wash water inlet is arranged on the water drainage pipe. A blow-down pipe is arranged at the lower part of the tank body. An air inlet pipe is arranged on the bottom of the interior of the tank body. The water collection pipe is arranged above the air inlet pipe and connected with the water outlet pipe. A filter plate is arranged between the water distribution pipe and the water collection pipe. A material filtering layer is arranged above the filter plate. A flowmeter and an electrically operated valve of the water inlet pipe are arranged on the water inlet pipe. The novel filter tank adopts the arrangement of reversed graded filter materials. Filter materials of a large grain size and a large proportion are kept at the bottom of the tank body and can be automatically graded after back wash.
Description
Technical field
The present invention relates to a kind of filter, be specifically related to a kind of Novel filtration tank.
Background technology
Filtering tank is a kind of device carrying out filtering under the effect of the pressure, adopt vertical structure more, according to filter inlet and outlet pressure extent, backwash is carried out to filtrate, clean impurity contained in filter material layer, thus keep the strainability that filter course is good and the water quality of filtering rear water.
Traditional filtering tank mostly is vertical, and monomer filter area is little on the one hand, filtering velocity is low, need volume large for this vertical filtering tank; In addition, installation requirement space is large, there is inconvenience.
The filter of current use, one class adopts sandstone filtrate, and as quartz sand, anthracite, magnetic iron ore etc., the filtrate that this kind of filter adopts is cheap and easy to get, easily clean regeneration, cost is low, but exist filtering velocity little, require that back washing strength is large, the filtrate easily shortcoming such as mixed layer after backwash; Another kind of is adopt fiber filter material, as fibrous nodules speed filtering device and long fibre filter etc., this kind of speed filtering device to some extent solve above-mentioned filtering velocity little, require that back washing strength is large, filtrate mixes layer after backwash problem, but also have that cost is high, the life-span is short, filtrate easily hardens, clean the problems such as regeneration difficulty.
Filtering tank controls this mode of backwash by inlet and outlet pressure extent, when filtrate or filter medium change, the corresponding relation of filtering velocity and pressure differential is also corresponding to change, and can not control filtering velocity exactly, can not controlled filter cycle and back washing strength exactly.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, propose a kind of Novel filtration tank, described filtering tank tank body adopts horizontal layout, filtering layer to adopt, and the quartz sand, anthracite, magnetic iron ore etc. of Large stone are cheap and easy to get, the filtrate of easily clean regeneration, in increase filter area, while improving filtering velocity, reduce the cost of equipment.Described filtering tank adopts anti-graded filtering media to arrange, the filtrate of Large stone, large proportion, can automatic classification after backwash in bottom.
Technical scheme of the present invention is: Novel filtration tank, comprise tank body, collector pipe and water distributor, water inlet pipe is provided with above tank body, outlet pipe, escape pipe and backwash drainpipe, manhole and peep hole is provided with in the side of tank body, described tank body is horizontal placement, described water distributor is arranged on the top of tank interior and is connected with water inlet pipe, aperture upwards, outlet pipe is provided with backwash water inlet, blow-down pipe is provided with below tank body, air inlet pipe is provided with in the bottom of tank interior, described collector pipe is positioned at the top of described air inlet pipe, described collector pipe is connected with outlet pipe, filter plate is provided with between collector pipe and described water distributor, filter material layer is provided with above filter plate, water inlet pipe is provided with flowmeter and water inlet pipe electrically operated valve.Described filter material layer is by the quartz sand of one or more Large stone, anthracite, the forming of magnetic iron ore, when described filter material layer is made up of multiple filtrate, the filtrate that described filter material layer structure is bottom is large density, top are the filtrate of little density, and domain size distribution is large-little or large-little-large from bottom to top.
Described water distributor is provided with water distributor aperture, and water distribution aperture is upwards offered.
Described collector pipe is provided with collector pipe aperture, and collector pipe aperture is offered downwards.
Outlet pipe is provided with backwash water inlet and outlet pipe electrically operated valve.
Escape pipe is provided with escape pipe distance-transmission pressure gauge and escape pipe electrically operated valve.
The present invention has following beneficial effect: on described water distributor, be provided with water distributor aperture, and water distribution aperture is upwards offered.
Described collector pipe is provided with collector pipe aperture, and collector pipe aperture is offered downwards.
Outlet pipe is provided with backwash water inlet and outlet pipe electrically operated valve.
Escape pipe is provided with escape pipe distance-transmission pressure gauge and escape pipe electrically operated valve.
The size grading scope of described quartz sand, anthracite, magnetic iron ore filtrate is respectively 0.5-16.0mm, 0.5-4.0mm, 0.25-8.0mm.
The present invention has following beneficial effect:
1) tank body adopts horizontal layout, increases monomer filter area, improves filtering velocity, increases monomer disposal ability, reduces single tank body volume;
2) filter material layer adopts the filtrate of the different densities such as quartz sand, anthracite, magnetic iron ore of one or more layers Large stone, and filtrate is cheap and easy to get, easily cleans regeneration, thus reduces the overall cost of filtering tank;
3) filter material layer adopt from bottom to top greatly-little-large domain size distribution time, top is the filtrate of the little density of Large stone, middle part is the filtrate of small particle diameter intermediate density, bottom is the filtrate of the large density of Large stone, when drainage flows through filtering layer from top to bottom, first oarse-grained material is retained by top filter material layer, and middle part small particle diameter filtering layer not easily blocks, increases containing dirty ability, thus extends filter cycle;
4) adopt flow-control filter cycle, changes in flow rate intuitively, accurately, promptly can reflect the change of filtering velocity, achieve filtration and backwash process automatic, switch accurately and rapidly;
5) adopt flow-control back washing strength, change backwash air inlet when controlling backwash, backwash water inlet intensity by flow of inlet water, can ensure that filtrate is not washed away, can backwash effect be ensured again.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the main TV structure schematic diagram of the present invention.
Fig. 2 is the left TV structure schematic diagram of the present invention.
In figure, 1, tank body; 2, end socket; 3, filter plate; 4, filter; 5, filter material layer; 6, clear water zone; 7, water inlet pipe; 8, water distributor; 9, outlet pipe; 10, air inlet pipe; 11, blow-down pipe; 12, backwash water inlet; 13, backwash drainpipe; 14, flowmeter; 15, escape pipe; 16, water inlet pipe electrically operated valve; 17, outlet pipe electrically operated valve; 18, blow-down pipe electrically operated valve; 19, escape pipe electrically operated valve; 20, air inlet pipe electrically operated valve; 21, backwash water inlet electrically operated valve; 22, backwash draining electrically operated valve; 23, escape pipe distance-transmission pressure gauge; 24, collector pipe; 25, manhole; 26, peep hole.
Detailed description of the invention:
As depicted in figs. 1 and 2, described tank body 1 is horizontal layout, and two ends are provided with end socket 2, arranges manhole 25 and peep hole 26 in the side of tank body 1, and on the top of tank body 1, water inlet pipe flowmeter 14 and water inlet pipe electrically operated valve 16 are arranged on water inlet pipe 7.Filtering tank inside is provided with water distributor 8, described water distributor 8 is provided with water distributor aperture, water distributor aperture is upwards offered, top in tank, filtering tank inside is also provided with collector pipe 24, and described collector pipe 24 is provided with collector pipe aperture, and collector pipe aperture is offered downwards, bottom in tank, water distributor 8 is connected with water inlet pipe 7.Filtering tank is divided into top filtering area and clear water zone, bottom by filter plate 3, filter plate 3 is equipped with filter 4.Filter material layer 5 is three-layer filter, from bottom to top particle diameter of filter medium be distributed as greatly-little or large-little-large.
During normal filtration, water inlet pipe electrically operated valve 16 and outlet pipe electrically operated valve 17 are opened, and remaining valve is all closed.Treat that drainage is through water inlet pipe 7, water distributor 8 to filter material layer 5, after filter, water is collected into clear water zone 6 through filter 4, finally discharges outside filtering tank through outlet pipe 9.
After filtering tank work certain hour, flow through water inlet pipe flowmeter 14 water yield difference when being reduced to setting value, stop filtering, start backwash.
During backwash, backwashing water flow to outlet pipe 9 through backwash water inlet 12, and after the collector pipe aperture outflow of collector pipe 24, the filter 4 on filter plate 3 enters filter material layer 5, carries out backsurging operation.Tank body 1 top is also provided with backwash drainpipe 13, escape pipe 15, wherein, escape pipe 15 is equipped with escape pipe distance-transmission pressure gauge 23; Tank body 1 bottom is connected to air inlet pipe 10, blow-down pipe 11, and air inlet pipe 10 and blow-down pipe 11 are connected with air inlet pipe electrically operated valve 20 and blow-down pipe electrically operated valve 18 respectively, and wherein air inlet pipe 10 is perforated pipe, and aperture down.Detailed process is as follows:
Close water inlet pipe electrically operated valve 16 and outlet pipe electrically operated valve 17, open blow-down pipe electrically operated valve 18, when the water level in filtering tank is reduced to certain altitude, close blow-down pipe electrically operated valve 18; Open air inlet pipe electrically operated valve 20 and escape pipe electrically operated valve 19, air purge is carried out to filtrate, after the air purge time reaching setting, close air inlet pipe electrically operated valve 20 and escape pipe electrically operated valve 19, open backwash water inlet electrically operated valve 21 and backwash draining electrically operated valve 22, filtrate is washed and (or the open degree of adjustment air inlet pipe electrically operated valve 20, reduces air inflow, open backwash water inlet electrically operated valve 21 and backwash draining electrically operated valve 22, gas is carried out to filtrate, water rinses simultaneously), the water after flushing is discharged from backwash drainpipe 13; Open water inlet pipe electrically operated valve 16 to filter, open blow-down pipe electrically operated valve 18 simultaneously and discharge initial filter water, when the flow of water inlet pipe flowmeter 14 reaches setting value, close blow-down pipe electrically operated valve 18, open outlet pipe electrically operated valve 17, start filter process.In above-mentioned backwash process, the open degree of backwash water inlet electrically operated valve 21 and air inlet pipe electrically operated valve 20, the changes in flow rate all by water inlet pipe flowmeter 14 adjusts, and controls backwash flow of inlet water, backwash air inflow, thus controls back washing strength.
In the present invention's example, Novel filtration tank design treatment ability 380m
3/ h, filter material layer gradation composition is from top to bottom 1.0-4.0mm magnetic iron ore, the magnetic iron ore of 1.5-8.0mm, the quartz sand of 0.5-10.0mm, and thickness is respectively 0.02-0.40m, 0.02-0.40m, 0.08-1.2m.When filtering tank flow of inlet water is less than setting value, carry out backwash.
Claims (5)
1. Novel filtration tank, comprise tank body, collector pipe and water distributor, it is characterized in that: above tank body, be provided with water inlet pipe, outlet pipe, escape pipe and backwash drainpipe, in the side of tank body, manhole and peep hole are set, described water distributor is arranged on the top of tank interior and is connected with water inlet pipe, aperture upwards, outlet pipe is provided with backwash water inlet, blow-down pipe is provided with below tank body, air inlet pipe is provided with in the bottom of tank interior, described collector pipe is positioned at the top of described air inlet pipe, described collector pipe is connected with outlet pipe, filter plate is provided with between collector pipe and described water distributor, filter material layer is provided with above filter plate, water inlet pipe is provided with flowmeter and water inlet pipe electrically operated valve.
2. Novel filtration tank according to claim 1, is characterized in that: described tank body is horizontal placement, and described water distributor is provided with water distributor aperture, and water distribution aperture is upwards offered, and described collector pipe is provided with collector pipe aperture, and collector pipe aperture is offered downwards.
3. Novel filtration tank according to claim 1 and 2, is characterized in that: the filtrate of described filter material layer is a kind of quartz sand of Large stone, anthracite or magnetic iron ore.
4. Novel filtration tank according to claim 1 and 2, is characterized in that: described filter material layer is large-little-large from bottom to top by domain size distribution.
5. Novel filtration tank according to claim 3, is characterized in that: on outlet pipe, be provided with backwash water inlet and outlet pipe electrically operated valve, and escape pipe is provided with escape pipe distance-transmission pressure gauge and escape pipe electrically operated valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310459040.8A CN104511188A (en) | 2013-10-07 | 2013-10-07 | Novel filter tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310459040.8A CN104511188A (en) | 2013-10-07 | 2013-10-07 | Novel filter tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104511188A true CN104511188A (en) | 2015-04-15 |
Family
ID=52787409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310459040.8A Pending CN104511188A (en) | 2013-10-07 | 2013-10-07 | Novel filter tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104511188A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396342A (en) * | 2015-12-13 | 2016-03-16 | 成都绿源新创环保科技有限公司 | A rotary-filter-plate filter tank |
| CN112374655A (en) * | 2020-11-20 | 2021-02-19 | 浙江大学 | Rural drinking water filtration system |
| CN115245697A (en) * | 2022-06-15 | 2022-10-28 | 上海电气电站设备有限公司 | Ultra-large horizontal sand filter for water treatment |
-
2013
- 2013-10-07 CN CN201310459040.8A patent/CN104511188A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396342A (en) * | 2015-12-13 | 2016-03-16 | 成都绿源新创环保科技有限公司 | A rotary-filter-plate filter tank |
| CN112374655A (en) * | 2020-11-20 | 2021-02-19 | 浙江大学 | Rural drinking water filtration system |
| CN115245697A (en) * | 2022-06-15 | 2022-10-28 | 上海电气电站设备有限公司 | Ultra-large horizontal sand filter for water treatment |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150415 |