CN203469661U - High-efficiency suction filtration type sedimentation basin - Google Patents
High-efficiency suction filtration type sedimentation basin Download PDFInfo
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- CN203469661U CN203469661U CN201320549258.8U CN201320549258U CN203469661U CN 203469661 U CN203469661 U CN 203469661U CN 201320549258 U CN201320549258 U CN 201320549258U CN 203469661 U CN203469661 U CN 203469661U
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- sedimentation basin
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Abstract
The utility model belongs to the technical field of sewage disposal in environmental protection. The utility model provides a novel high-efficiency suction filtration type sedimentation basin which aims at solving the problems of low suspended solid removal efficiency of the existing sedimentation basin and easy filth blockage and difficult maintenance of the filter device. According to the novel high-efficiency suction filtration type sedimentation, one or more filter cartridges is/are arranged in the outlet zone of the sedimentation basin to block and intercept suspended solids in sewage. A water outlet of the filter cartridge is connected with a water outlet pipe of the sedimentation basin; the water outlet pipe of the sedimentation basin is connected with a water pump. According to the technical scheme of the high-efficiency suction filtration type sedimentation basin provided by the utility model, the sedimentation basin of natural settling relying on gravity is organically combined with the filter method relying on differential pressure drive; the technical scheme is simple, the maintenance and the replacement are convenient; the removal rate to the suspended solids is obviously increased. In addition, according to the technical scheme, the volume and the cost of the sedimentation basin are reduced; the existing sedimentation basin can be technically modified by using the scheme.
Description
Technical field
The invention belongs to the technical field of sewage of environmental protection, particularly a kind of efficient sedimentation tank, setting pot and depositing reservoir, be applicable to the obstruction to suspended particulate substance in sewage disposal and water engineering.
Background technology
The precipitation method be utilize suspended particulate in water can settling property, under Action of Gravity Field, produce sinking effect, to reach a kind of process of Separation of Solid and Liquid.Sedimentation basin is basic and important water treatment facilities, separated to the obstruction of suspended particulate substance with water engineering for sewage disposal.Conventionally, sedimentation basin is divided into inhalant region, ,Zhu Ni district, settling zone, buffering area and exhalant region.
Tradition sedimentation basin is bulky, clearance is lower.Improving efficiency and the clearance of sedimentation basin, is the main direction of sedimentation basin technical development.Some novel sedimentation basins, as centripetal radical sedimentation basin, preaeration radical sedimentation basin, diagonal flow type sedimentation basin, improve the structure of sedimentation basin, create the condition of particles settling separation preferably, can effectively improve the settling efficiency of sedimentation basin.
In engineering practice, sedimentation basin often and filter tank be used in combination, further improve the clearance of suspended particulate substance.Meanwhile, researcher also attempts to adopt filter method to improve the performance with reinforced deposition pond.Conventional method is that the exhalant region at sedimentation basin arranges the filters such as grid, filter screen or filter plate and stops suspension and a particle, as: patent " a kind of sedimentation basin (200520031290.2) that can effectively purify slurry " arranges screen pack between feed slurry inlet and slurry outlet in sedimentation basin; Patent " a kind of circular settling tank micro-filtration cloth surface filtration method for yielding water (200810047432.2) ", along a plurality of micro-filtration cloth of circular settling tank periphery filter plate, is carried out surface filtration to the sewage in sedimentation basin; Patent " a kind of sedimentation basin for sewage disposal (200920191799.1) " is provided with effluent weir on effluent trough, and effluent weir is provided with in Ge， hurdle, hurdle lattice filter membrane is housed; Patent " efficient sedimentation tank (200920231409.9) " is provided with and extends radially out filtration or the precipitation annular groove suspending in precipitation pool wall top periphery, is filled with filter medium or inclined tube, swash plate in annular groove.These class methods have been improved the clearance of sedimentation basin to suspension, but the surface of filter element is easy to stop up, and water yield constantly declines and then sedimentation basin cannot be worked, need to be by artificial or proceed to clean.
Another kind method is, in sedimentation basin inside, filter course is set, and sewage inlet is located at filter course below, and the suspension in sewage is by gravitational settling below filter course, and sewage sees through filtering layer under differential pressure action, from filter course top, discharges.As the inhalant region of patent " a kind of vertical sedimentation basin (201110080310.5) " extend into bottom, pond from Chi Ding, in pond, be provided with the filtering area being comprised of the steel graticule mesh of aperture 40～50mm and the biologic packing material of diameter 80～150mm, delivery port is positioned at filtering area top.Patent " a kind of high-efficiency biomembrane sedimentation tank (201120028361.9) " is arranged at sedimentation basin middle part by the biological filter bed of material, to carrying the sewage of small suspension, can carry out isolated by filtration.At the bottom of these class methods will be sent sewage into pond with sewage pump, and the problem that exists filter element surface to stop up, and because filter course is positioned at sedimentation basin not easy cleaning and maintenance, therefore often can only adopt larger pore size filter.
In sum, the precipitation method are combined with filtration method, be conducive to improve efficiency and the clearance to suspension of sedimentation basin.Prior art scheme is all maintenance of Shortcomings, particularly filter inconvenience in application, limits and weakened the application of filtration method at sedimentation basin.
Summary of the invention
The problem to be solved in the present invention is to overcome the problem that in prior art, sedimentation basin is not high to suspended substance removal efficiency, the easy dirty stifled difficulty of filter is safeguarded, a kind of technical scheme of novel efficient filtering type sedimentation basin is provided, filter cylinder by sedimentation basin exhalant region stops the solid suspension in sewage get off, to improve the performance of sedimentation basin.
For solving above technical problem, the technical scheme that the present invention takes is: a kind of efficient filtering type sedimentation basin, be provided with one or more filter cylinders, and it is characterized in that:
1) described filter cylinder is provided with delivery port, and the delivery port of filter cylinder is connected with the outlet pipe of sedimentation basin;
2) delivery port of filter cylinder is positioned at top or the side direction of filter cylinder, and the filtering surface of filter cylinder is immersed under the water surface; Or the delivery port of filter cylinder is positioned at the below of filter cylinder;
3) outlet pipe of described sedimentation basin is connected with water pump.
Preferably, described filter cylinder comprises framework, end cap and filter bag, and the delivery port of filter cylinder is located at end cap.Filter bag is enclosed within filter cylinder outside, forms the filter cylinder of a hollow.The framework of filter cylinder and end cap can connect as one, and can be also two independently parts, by compression, clamping, welding or alternate manner, connect.The delivery port of filter cylinder is connected with the outlet pipe of sedimentation basin by tube connector.When being provided with a plurality of filter cylinder, the delivery port of a plurality of filter cylinders is connected with collector pipe by tube connector, and collector pipe is connected with the outlet pipe of sedimentation basin again.Preferably, described filter bag is made by fibrous woven filter cloth, metal wire knitted filter screen, filter felt or nonwoven.Yet described filter cylinder also can be made by sintering or braided metal net, ceramic network, or doughnut filter core.
The filtering accuracy of described filter cylinder is between 10～200 microns.
Sewage enters in sedimentation basin through precipitation process, under water pump swabbing action from the surrounding of filter cylinder and/or bottom, top sees through filter bag and enters filter cylinder, from the flow through outlet pipe of sedimentation basin of the delivery port of filter cylinder, discharge.
Further, described efficient filtering type sedimentation basin, is provided with outlet area on the top of pond body, and described filter cylinder is placed in outlet area.Between pond body and outlet area, be provided with downflow weir, the sewage in pond is crossed downflow weir and is flowed into outlet area.
Further, between the outlet pipe of the delivery port of described filter cylinder and collector pipe or sedimentation basin, adopt snap joint to connect, be convenient to filter cylinder to clean, change.
Further, the delivery port of described filter cylinder is also provided with filter, and its filtering accuracy is 10～100 microns.In the inside cavity of filter cylinder, be added with graininess, Powdered or block porous aggregate, for the filter bag or the filter screen that adsorb and stop by described filter cylinder outside, enter the molecule of filter cylinder inside cavity.Typically, porous aggregate is active carbon, molecular sieve or the flyash of 1～10 millimeter of equivalent diameter, and loading is 10～50% of filter cylinder cavity volume.Sewage is under water pump draft effect, and the inside cavity that enters filter cylinder by filter bag or strainer filtering from the outside of described filter cylinder, is flowed out by the delivery port of filter cylinder.
The technical scheme of efficient filtering type sedimentation basin provided by the invention, will rely on the sedimentation basin of gravity natural subsidence to organically combine with relying on the filter method of pressure differential, and technical scheme is simple, and maintenance is changed convenient, can effectively improve the clearance to solid suspension.Adopt the sedimentation basin of this technical scheme can reduced volume, reduce costs, to existing sedimentation basin, be also easy to adopt this scheme to undergo technological transformation.
Accompanying drawing explanation
Figure 1 shows that a kind of profile of efficient filtering type sedimentation basin;
Figure 2 shows that the still schematic diagram of knocked-down filter cylinder building block;
Figure 3 shows that the schematic diagram after filter cylinder assembling;
Figure 4 shows that the profile after filter cylinder assembling;
Figure 5 shows that a kind of structural representation of outlet component of efficient filtering type sedimentation basin.
The specific embodiment
With reference to appended accompanying drawing, and the explanation of following embodiment, be appreciated that object of the present invention, feature and effect.
Embodiment mono-:
Accompanying drawing 1 is a kind of profile of the efficient filtering type sedimentation basin of implementing according to technical scheme provided by the invention.
An efficient filtering type sedimentation basin, comprises pond body 101, water inlet pipe 102, outlet pipe 103 and discharge pipeline, is also provided with the filter cylinder 104 of one group of parallel connection.Top at pond body 101 is provided with outlet area, is provided with downflow weir 105 between pond body 101 and outlet area, and the sewage in pond is crossed downflow weir 105 and flowed into outlet area.Described filter cylinder 104 is placed in outlet area.
Adopt a kind of embodiment of the present invention, adopt the filter cylinder of one group of 3 diameter 10cm, length 30cm, filter cylinder is directly made by sintering or braided metal net, does not need to arrange framework and filter bag, and its filtering accuracy is 75～100 microns; The granular active carbon that adds average equivalent diameter 3mm in filter cylinder, loading is 20% of filter cylinder cavity volume.
The outlet pipe 103 of sedimentation basin is connected with water pump.Sewage enters and sedimentation basin, carries out precipitation process from water inlet pipe 102, cross downflow weir 105 and flow into outlet area, surrounding and bottom from filter cylinder 104 under water pump swabbing action see through the inside cavity that filter bag enters filter cylinder, then from the delivery port 109 of filter cylinder, through collector pipe 106 and outlet pipe 103, discharge.
Embodiment bis-:
The another kind of efficient filtering type sedimentation basin of implementing according to technical scheme provided by the invention, its general structure and embodiment mono-are similar, and cross-section structure is also as shown in Figure 1.
An efficient filtering type sedimentation basin, comprises pond body 101, water inlet pipe 102, outlet pipe 103 and discharge pipeline, is also provided with the filter cylinder 104 of one group of parallel connection.Top at pond body 101 is provided with outlet area, is provided with downflow weir 105 between pond body 101 and outlet area, and the sewage in pond is crossed downflow weir 105 and flowed into outlet area.Described filter cylinder 104 is placed in outlet area.
As shown in Figure 2 and Figure 3, Fig. 2 is the schematic diagram of knocked-down filter cylinder building block still to the structural representation of filter cylinder, Fig. 3, Figure 4 shows that the schematic diagram after filter cylinder assembling.Described filter cylinder comprises end cap 201, framework 202 and filter bag 203.The draw-in groove 205 that end cap 201 is provided with delivery port 204 and inwardly concaves, delivery port 204 is also provided with egress filtering device; Framework 202 is made by stainless steel cloth, is upper opening, simplified with bottom, and simplified upper end is provided with linkage section 207; Filter bag 203 is upper openings, with the cylindrical shape filter bag of bottom, the cylindrical shell external diameter of its diameter and framework 202 matches, sack is provided with the elastic circular ring 206 matching with draw-in groove 205.
Filter bag is made by fibrous woven filter cloth or nonwoven, and its filtering accuracy is between 10～200 microns; Egress filtering device is made by micropore filter cloth or stainless (steel) wire, and its filtering accuracy is between 10～100 microns.The selection of filtering accuracy, depends on the composition of the sewage that enters sedimentation basin and the requirement of technological design.Usually, filtering accuracy is approximately high, and the resistance of filter is larger, also easier to be dirty stifled.
In the inside cavity of filter cylinder, be added with graininess, Powdered or block porous aggregate, for the filter bag or the filter screen that adsorb and stop by described filter cylinder outside, enter the molecule of filter cylinder inside cavity.Typically, porous aggregate is active carbon, molecular sieve or the flyash of 1～10 millimeter of equivalent diameter, and loading is 10～50% of filter cylinder cavity volume.
The assembling process of filter cylinder is, first in framework 202, add porous aggregate, again end cap 201 is connected by compression, clamping, welding or alternate manner with framework 202, then strut a little the elastic circular ring 206 of filter bag, by filter bag 203 from the bottom of framework 202 upwards cover, until elastic circular ring 206 snaps in draw-in groove 205.Filter bag 203 is enclosed within the outside of framework 202, forms the filter cylinder of a hollow.
As shown in Figure 5, the delivery port 109 of filter cylinder 104 is connected with collector pipe 106 by tube connector 108, and collector pipe is connected with the outlet pipe 103 of sedimentation basin again.Between the delivery port 109 of filter cylinder 104 and collector pipe 106, adopt snap joint 108 to be connected, be convenient to filter cylinder to clean, change.
The outlet pipe 103 of sedimentation basin is connected with water pump.Sewage enters and sedimentation basin, carries out precipitation process from water inlet pipe 102, cross downflow weir 105 and flow into outlet area, surrounding and bottom from filter cylinder 104 under water pump swabbing action see through the inside cavity that filter bag enters filter cylinder, then from the delivery port 109 of filter cylinder, through collector pipe 106 and outlet pipe 103, discharge.
As shown in Figure 1, the delivery port of filter cylinder 104 is positioned at the top of filter cylinder, and the filtering surface of filter cylinder is immersed under the water surface, in order to avoid air is extracted out from delivery port.Yet, also the delivery port of filter cylinder can be located to the below of filter cylinder, even if filter cylinder top, higher than liquid level, can not extracted air out yet from delivery port, but this structure is for comparatively inconvenience of the installation and removal of filter cylinder.
Embodiment tri-:
Efficient filtering type sedimentation basin and the prior art of application technical scheme of the present invention are carried out to contrast test.
Under identical sedimentation basin and flow condition, operating condition, outlet component as shown in Figure 5 in embodiment mono-is removed, embodiment mono-is equivalent to a kind of sedimentation basin of prior art, with this as a control group.Adopt a kind of scheme SFSP-1 of the present invention to adopt the filter cylinder of one group of 3 diameter 10cm, length 30cm, filter cylinder is directly made by sintering or braided metal net, does not need to arrange framework and filter bag, and its filtering accuracy is 75～100 microns; The granular active carbon that adds average equivalent diameter 3mm in filter cylinder, loading is 20% of filter cylinder cavity volume.Adopt another kind of scheme SFSP-2 of the present invention to adopt the filter cylinder of one group of 3 diameter 15cm, length 45cm; Filter pocket material is an outer oriented and ordered fiber filter cloth, and cloth fine hair length under nature is 12mm, effective filter depth 3～5mm, 10～20 microns of filtering accuracies; The granular active carbon that adds average equivalent diameter 3mm in filter cylinder, loading is 20% of filter cylinder cavity volume; Filter cylinder egress filtering device is made by stainless (steel) wire, and its filtering accuracy is 25 microns.
Result of the test is as shown in the table.
Result of the test shows: compared with prior art, adopt the efficient filtering type sedimentation basin of embodiment mono-, for the removal effect of solid suspension, be significantly increased.Prior art is 61.5% for the clearance of solid suspension, adopt the SS clearance of the solution of the present invention SFSP-1 to reach 88.2%, and the SS clearance of another program SFSP-2 is more up to 95.8%.Compared with prior art, adopt technical scheme of the present invention, for removing COD, BOD and ammonia nitrogen, also have some improvement.
Adopt the present invention need to use circulating pump suction water outlet, compared with prior art have certain pressure loss, approximately 400～1500Pa.Compare with the significantly raising of SS clearance, this pressure drop is complete acceptable.
Claims (10)
1. an efficient filtering type sedimentation basin, is provided with one or more filter cylinders, it is characterized in that:
(1) described filter cylinder is provided with delivery port, and the delivery port of filter cylinder is connected with the outlet pipe of sedimentation basin;
(2) outlet pipe of described sedimentation basin is connected with water pump.
2. efficient filtering type sedimentation basin according to claim 1, is characterized in that: the delivery port of described filter cylinder is positioned at top or the side direction of filter cylinder, and the filtering surface of filter cylinder is immersed under the water surface; Or the delivery port of filter cylinder is positioned at the below of filter cylinder.
3. efficient filtering type sedimentation basin according to claim 1, is characterized in that: the top at described filtering ponds pond body is provided with outlet area, and described filter cylinder is placed in outlet area.
4. efficient filtering type sedimentation basin according to claim 1, described filter cylinder comprises framework, end cap and filter bag, it is characterized in that: described filter bag is made by fibrous woven filter cloth, metal wire knitted filter screen, filter felt or nonwoven.
5. efficient filtering type sedimentation basin according to claim 1, described filter cylinder is made by the doughnut filter core global formation of the wire netting of sintering or braiding, the ceramic network of sintering or winding.
6. efficient filtering type sedimentation basin according to claim 1, is characterized in that: the filtering accuracy of described filter cylinder is between 10～200 microns.
7. efficient filtering type sedimentation basin according to claim 1, is characterized in that:
(1) delivery port of described filter cylinder is also provided with filter;
(2) in the inside cavity of filter cylinder, be added with graininess, Powdered or block porous aggregate.
8. efficient filtering type sedimentation basin according to claim 7, is characterized in that: the equivalent diameter of described porous aggregate is 1～10 millimeter, and the loading of described porous aggregate is 10～50% of filter cylinder cavity volume.
9. efficient filtering type sedimentation basin according to claim 1, is characterized in that: between the delivery port of described filter cylinder and the outlet pipe of sedimentation basin, adopt snap joint to connect.
10. efficient filtering type sedimentation basin according to claim 1, it is characterized in that: sewage enters in sedimentation basin through precipitation process, under water pump swabbing action from the surrounding of filter cylinder and/or bottom, top enters filter cylinder, from the flow through outlet pipe of sedimentation basin of the delivery port of filter cylinder, discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549258.8U CN203469661U (en) | 2013-09-04 | 2013-09-04 | High-efficiency suction filtration type sedimentation basin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549258.8U CN203469661U (en) | 2013-09-04 | 2013-09-04 | High-efficiency suction filtration type sedimentation basin |
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| CN203469661U true CN203469661U (en) | 2014-03-12 |
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| CN201320549258.8U Expired - Fee Related CN203469661U (en) | 2013-09-04 | 2013-09-04 | High-efficiency suction filtration type sedimentation basin |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432820A (en) * | 2013-09-04 | 2013-12-11 | 常州友达环保科技有限公司 | Efficient suction filtration settling pond |
| CN106693484A (en) * | 2016-12-14 | 2017-05-24 | 上海市固体废物处置中心 | High-impurity-content wastewater filter |
| CN107754446A (en) * | 2017-11-01 | 2018-03-06 | 安徽舜禹水务股份有限公司 | A kind of sedimentation basin and filtering ponds compound sewage processing unit |
-
2013
- 2013-09-04 CN CN201320549258.8U patent/CN203469661U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432820A (en) * | 2013-09-04 | 2013-12-11 | 常州友达环保科技有限公司 | Efficient suction filtration settling pond |
| CN106693484A (en) * | 2016-12-14 | 2017-05-24 | 上海市固体废物处置中心 | High-impurity-content wastewater filter |
| CN107754446A (en) * | 2017-11-01 | 2018-03-06 | 安徽舜禹水务股份有限公司 | A kind of sedimentation basin and filtering ponds compound sewage processing unit |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20170904 |
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| CF01 | Termination of patent right due to non-payment of annual fee |