CN101279157B - Method for air-water backwashing and surface cleaning natural filter bed filter material and a cleaning control system thereof - Google Patents
Method for air-water backwashing and surface cleaning natural filter bed filter material and a cleaning control system thereof Download PDFInfo
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- CN101279157B CN101279157B CN2008100451570A CN200810045157A CN101279157B CN 101279157 B CN101279157 B CN 101279157B CN 2008100451570 A CN2008100451570 A CN 2008100451570A CN 200810045157 A CN200810045157 A CN 200810045157A CN 101279157 B CN101279157 B CN 101279157B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 title claims abstract description 15
- 238000004140 cleaning Methods 0.000 title claims description 14
- 238000011001 backwashing Methods 0.000 title abstract description 3
- 238000005406 washing Methods 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 230000008595 infiltration Effects 0.000 claims abstract description 8
- 238000001764 infiltration Methods 0.000 claims abstract description 8
- 239000002352 surface water Substances 0.000 claims abstract description 4
- 239000000706 filtrate Substances 0.000 claims description 18
- 238000011026 diafiltration Methods 0.000 claims description 13
- 238000010408 sweeping Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 235000010755 mineral Nutrition 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- 239000011573 trace mineral Substances 0.000 claims description 4
- 235000013619 trace mineral Nutrition 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000005215 recombination Methods 0.000 abstract 1
- 230000006798 recombination Effects 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- WQHONKDTTOGZPR-UHFFFAOYSA-N [O-2].[O-2].[Mn+2].[Fe+2] Chemical compound [O-2].[O-2].[Mn+2].[Fe+2] WQHONKDTTOGZPR-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- -1 ferromanganese ion Chemical class 0.000 description 1
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- 210000004681 ovum Anatomy 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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- 238000004659 sterilization and disinfection Methods 0.000 description 1
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Abstract
A washing method of an air-water backwashing surface of filter materials of a natural filtering bed and a washing control system thereof are provided by the present invention. By the use of air lift generated by compressed air, piping generated by water power and separation generated by the mixture of the air and the water, the compact filter materials and a silt layer covered on the natural filtering bed are dispersed to cause the recombination of the filter materials. Meanwhile, with the running of river water, the silt with light weight and sediment are discharged out of the filtering bed, thus increasing the filtration coefficient of a permeable layer and the vertical infiltration velocity of surface water to underground. The control system comprises a seepage well of the natural filtering bed, an air distribution system which generates the air lift and a water distribution system and a control system which generate the piping. By adopting the method and the system of the invention, a water plant is moved to the underground, thus saving investment, occupying less area, having low operation cost, meeting the requirements of environmental engineering, increasing water yield and improving water quality.
Description
Technical field
The invention belongs in the water-treatment technology field about the desilting technology of Weeping well with natural filter bed, specifically relate to a kind of method of natural filter bed filter material air water backwash surface sweep washing and sweep cleaning control system.
Background technology
Water resource is one of human requisite resource, and the method for how extracting water resource that can the confession human use from the Nature is the problem that numerous for a long time research work personnel explore always.Notification number CN1034025C, the patent of invention that name is called " Weeping well with natural filter bed " is exactly wherein a kind of effectively one of method for fetching water from the Nature, this utilize the reverse diafiltration intake technology of natural stream channel to come out since existing 15 days, along with performance these years, these utilize each water intake engineering of Weeping well with natural filter bed to occur the problem of water shortage in succession, influence the development of this technology, tracing it to its cause is " filter bed has produced and silted up " always.Past is to utilize the washing capacity that flood period, river produced will silt up outside the thing discharge filter bed always, and the effect of facts have proved is little.So " filter bed silts up, and the water yield reduces year by year ", perplexing the water factory that uses the diafiltration intake technology to build always.Past attempts adopted multiple way moisturizing, as: enlarge the water intaking area, flood, transform filter bed, infitration galleries etc., though received certain effect, all do not meet design requirement, press for a kind of new method and apparatus at present and solve natural filter bed problem of silting up.
Summary of the invention
The objective of the invention is to overcome above-mentioned technical deficiency, a kind of increase water yield is provided, improve water quality, remove the method for the natural filter bed filter material air water backwash surface sweep washing that silts up and sweep cleaning control system.
For reaching the foregoing invention purpose, the technical scheme that is adopted is: the method for natural filter bed filter material air water backwash surface sweep washing, reverse injecting compressed air in the mozzle of former Weeping well with natural filter bed, or water, or gas-water mixture, compressed air, water or gas-water mixture outwards eject along mozzle and the diafiltration hole and the filter that are connected on the mozzle, the gaslift that utilizes compressed air to produce, the sorting that piping that waterpower produces or gas-water mixture produce will be covered in natural filter bed on natural filter bed closely heterogeneous body filtrate and silt layer up and break up out, be mixed in the thing that silts up in the filtrate, silt is in gaslift, move up under the effect of piping or sorting, fall after rise in filter bed than silting the heavy filtrate of amount up in advance, make filtrate reconfigure, follow flowing of river simultaneously, light weight silt thing up and silt is discharged outside the filter bed thereupon,---K value with surface water to underground vertical infiltration rate---the V value that increases the infiltration coefficient in water-bearing layer.
Realize the cleaning control system of sweeping of natural filter bed filter material air water backwash surface sweep washing method, comprise Weeping well with natural filter bed, Weeping well with natural filter bed mainly is made of the vertical shaft that is interconnected, gallery and chamber, the mozzle that several upper ends have the diafiltration hole is arranged at the top of chamber, mozzle runs through basement rock and extend in the natural filter bed heterogeneous body filtrate, the upper end of mozzle is connected with filter, also comprises:
One air distribution system is used to provide and store the compressed air that produces gaslift;
One water distribution system is used to provide the cistern that produces piping;
One control system, the compressed air and the water in the water distribution system that are used for controlling air distribution system inject mozzle.
Air distribution system mainly comprises air compressor, supercharging air accumulator, distribution rotary valve and the air gauge that is connected by pipeline; And be arranged at appendix in the Weeping well with natural filter bed, and appendix is layed in vertical shaft, gallery and the chamber, places appendix one end of chamber to be connected on the gas-water mixer, and the other end is connected with the distribution rotary valve, and each mozzle is attempted by on the gas-water mixer.An end that is connected with the distribution rotary valve on the gas-water mixer is provided with the check valve of control appendix break-make.
Water distribution system mainly comprises the backwash pond that is arranged at the bank, be connected with electronic control butterfly valve between backwash pond and the vertical shaft, retaining in the backwash pond is entered in the vertical shaft, displacement to vertical shaft on the position of set pressure waterline, the hydraulic pressure that utilizes the height of water to form is discharged the backwash of carrying out filter bed with the retaining in the vertical shaft by mozzle, perhaps retaining is injected in the appendix and is discharged by appendix to carry out backwash; Double acting water pump, electromagnetism two position three-way valve, two tunnel rotate between distributing valve, water pressure gauge and the overflow valve and connect by pipeline, and two the tunnel rotate distributing valve is connected with gas-water mixer by water-supply-pipe.An end that is connected with two tunnel rotation distributing valves on the gas-water mixer is provided with the pilot operated valve device and the combination valve of control water-supply-pipe break-make.
Control system mainly comprises a console, console by two tunnel in the distribution rotary valve in circuit and the air distribution system and the water distribution system rotate distributing valves, the electromagnetism two position three-way valve is connected, in order to the break-make of control connection valve.
Be placed with active carbon in gallery or the water or have the mineral matter that increases trace element in the water, removes organic matter raising water quality, as the backwash of ammonia nitrogen medicine, carbon dioxide backwash etc.
In sum, the present invention has following beneficial effect:
One, aquifer yield increases: the attenuation of 1. surperficial mud film, and the infiltration rate increase will reach more than the 5m/d, and what adopt at present is that 1-2m/d calculates, and its aquifer yield will double above; 2. contain shale in the natural filter bed filter material and never be cleaned, get rid of through air water backwash shale, filtrate reconfigures, and then the K value increases, and side direction moisturizing speed increases, and the water intaking area that design needs then dwindles; 3. after V value and K value increase, prove and silt releasing up that three-dimensional supply forms, filtering velocity increases, so the water yield must increase; 4. natural filter bed area is big, is more than ten times of water factory filter tank, and for example its filter tank area of 50,000 tons of water factories of a water-yielding capacity is 246m
2, be equivalent to a unit of natural filter bed backwash method, the 246m of water factory
2Eight single lattice backwashes are divided in the filter tank, are equivalent to the backwash in a natural filter bed diafiltration hole, and natural filter bed backwash area is 1000-1200m
2, its aquifer yield increase is the multiple relation.
Two, water quality improves: 1. oxygenated water is imported the ferromanganese ion in the oxidize water in the filtrate, air has small part to vacillate at a slow speed in filtering layer in filtering layer, further the iron-manganese oxide ion makes its migration, reach the purpose of stratum demanganization deferrization, strengthened the purification function of filter bed; 2. high-tech silver-colored nanometer is utilized in the back-washing equipment input stratum and be attached on the husky ovum gravel for a long time to water sterilization; 3. add valuable mineral matter, active carbon in the gallery, the trace element that increases in the water is removed organic matter, improves the quality of water.
Three, water factory is moved underground, reduced investment, take up an area of fewly, operating cost is low, meets the condition of environment-friendly engineering.
Description of drawings
Fig. 1 is a natural filter bed filter material air water backwash surface sweep washing schematic diagram of the present invention;
Fig. 2 is that the present invention sweeps and washes the control principle figure of system;
Among the figure: the 1.1-air compressor, 1.2-supercharging air accumulator, 1.3-appendix, 1.4-distribution rotary valve, 1.5-check valve, 1.6-gas-water mixer, 1.7-air gauge, 2.1-backwash pond, 2.2-vertical shaft, 2.3-gallery, 2.4-pilot operated valve device, 2.5-combination valve, 3.1-double acting water pump, 3.2-water-supply-pipe, 3.3-electromagnetism two position three-way valve, 3.4-two the tunnel rotate distributing valve, 3.5-console, 3.6-water pressure gauge, 3.7-overflow valve, 4.1-mozzle, 4.2-diafiltration hole, 4.3-filter, the 5-chamber, 6-set pressure waterline, the 7-basement rock, the natural filter bed heterogeneous body filtrate of 8-, 9-silts layer up, 9.1-mud, 10-is towards Suction Dredger, arrow is represented air-flow or flow direction.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described:
As shown in Figure 1, the method of natural filter bed filter material air water backwash surface sweep washing, reverse injecting compressed air in the mozzle 4.1 of former Weeping well with natural filter bed, or water, or gas-water mixture, compressed air, water or gas-water mixture outwards eject along mozzle 4.1 and the diafiltration hole 4.2 and the filter 4.3 that are connected on the mozzle 4.1, the gaslift that utilizes compressed air to produce, the sorting that piping that waterpower produces or gas-water mixture produce will be covered in natural filter bed on natural filter bed closely heterogeneous body filtrate 8 and silt layer 9 up and break up out, be mixed in the thing that silts up in the filtrate, silt 9.1 is in gaslift, move up under the effect of piping or sorting, fall after rise in filter bed than silting the heavy filtrate of amount up in advance, make filtrate reconfigure, follow flowing of river simultaneously, light weight silt thing up and silt is discharged outside the filter bed thereupon,---K value with surface water to underground vertical infiltration rate---the V value that increases the infiltration coefficient in water-bearing layer.
As shown in Figure 1, 2, realize the cleaning control system of sweeping of natural filter bed filter material air water backwash surface sweep washing method, comprise Weeping well with natural filter bed, Weeping well with natural filter bed mainly is made of the vertical shaft 2.2 that is interconnected, gallery 2.3 and chamber 5, the mozzle 4.1 that several upper ends have diafiltration hole 4.2 is arranged at the top of chamber 5, mozzle 4.1 runs through basement rock 7 and extend in the natural filter bed heterogeneous body filtrate 8, and the upper end of mozzle 4.1 is connected with filter 4.3, also comprises:
One air distribution system is used to provide and store the compressed air that produces gaslift;
One water distribution system is used to provide the cistern that produces piping;
One control system, the compressed air and the water in the water distribution system that are used for controlling air distribution system inject mozzle.
As shown in Figure 2, air distribution system mainly comprises air compressor 1.1, supercharging air accumulator 1.2, distribution rotary valve 1.4 and the air gauge 1.7 that is connected by pipeline; And be arranged at appendix 1.3 in the Weeping well with natural filter bed, appendix 1.3 is layed in vertical shaft 2.2, gallery 2.3 and the chamber 5, place appendix 1.3 1 ends of chamber 5 to be connected on the gas-water mixer 1.6, the other end is connected with distribution rotary valve 1.4, and each mozzle 4.1 is attempted by on the gas-water mixer 1.6.An end that is connected with distribution rotary valve 1.4 on the gas-water mixer 1.6 is provided with the check valve 1.5 of control appendix break-make.
As shown in Figure 2, water distribution system mainly comprises the backwash pond 2.1 that is arranged at the bank, be connected with electronic control butterfly valve between backwash pond 2.1 and the vertical shaft 2.2, the retaining in the backwash pond 2.1 entered in the vertical shaft 2.2, displacement to vertical shaft 2.2 on the position of set pressure waterline 6; Double acting water pump 3.1, electromagnetism two position three-way valve 3.3, two tunnel rotate between distributing valve 3.4, water pressure gauge 3.6 and the overflow valve 3.7 and connect by pipeline, and two the tunnel rotate distributing valve 3.4 is connected with gas-water mixer 1.6 by water-supply-pipe 3.2.An end that is connected with two tunnel rotation distributing valves 3.4 on the gas-water mixer 1.6 is provided with the pilot operated valve device 2.4 and the combination valve 2.5 of control water-supply-pipe break-make.
As shown in Figure 2, control system mainly comprises a console 3.5, console 3.5 by two tunnel in the distribution rotary valve 1.4 in circuit and the air distribution system and the water distribution system rotate distributing valves 3.4, electromagnetism two position three-way valve 3.3 is connected, in order to the break-make of control connection valve.
Be placed with active carbon in the gallery 2.3 or have the mineral matter that increases trace element in the water, removes organic matter raising water quality.
Be equipped with towards Suction Dredger or other machinery during concrete enforcement, can change the direction of a stream of water, or increase flow velocity on the filter bed surface, strengthen scouring force and realize with the method that improves hydraulic gradient.
Technical indicator reference during enforcement:
1., backwash area 1000-1200m
2, filter bed is divided into several unit, the filter bed area of being controlled with the diafiltration hole of each chamber is a unit, the area of being controlled with a diafiltration hole is lattice (about 40m
2) press lattice and calculate the backwash area;
2., backwash rate: the backwash rate of empty G﹠W is 7-9L/S, m
2
3., washing time: 10-20min/ time; (can according to the actual conditions adjustment)
4., consumed cabin air amount 10m
3/ min, water yield 120m
3/ time;
5., the distribution main is Φ 80mm, arm Φ 60mm; Distributing main is the vertical shaft of Φ 4m, and arm is the diafiltration hole mozzle of Φ 100mm;
6., distribution main and arm can be made sparge pipe usefulness;
7., the water and air distributing equipment of backwash, control appliance, transmission equipment major part are that compressive region is at 0.3-0.5MPa not in water.
Claims (8)
1. the method for natural filter bed filter material air water backwash surface sweep washing, it is characterized in that: reverse injecting compressed air in the mozzle of former Weeping well with natural filter bed, or water, or gas-water mixture, compressed air, water or gas-water mixture outwards eject along mozzle and the diafiltration hole and the filter that are connected on the mozzle, the gaslift that utilizes compressed air to produce, the sorting that piping that waterpower produces or gas-water mixture produce will be covered in natural filter bed on natural filter bed closely heterogeneous body filtrate and silt layer up and break up out, be mixed in the thing that silts up in the filtrate, silt is in gaslift, move up under the effect of piping or sorting, fall after rise in filter bed than silting the heavy filtrate of amount up in advance, make filtrate reconfigure, follow flowing of river simultaneously, light weight silt thing up and silt is discharged outside the filter bed thereupon,---K value with surface water to underground vertical infiltration rate---the V value that increases the infiltration coefficient in water-bearing layer.
2. realize the cleaning control system of sweeping of the described natural filter bed filter material air water of claim 1 backwash surface sweep washing method, comprise Weeping well with natural filter bed, Weeping well with natural filter bed mainly is made of the vertical shaft that is interconnected (2.2), gallery (2.3) and chamber (5), the mozzle (4.1) that several upper ends have diafiltration hole (4.2) is arranged at the top of chamber (5), mozzle (4.1) runs through basement rock (7) and extend in the natural filter bed heterogeneous body filtrate (8), the upper end of mozzle (4.1) is connected with filter (4.3), it is characterized in that also comprising:
One air distribution system is used to provide and store the compressed air that produces gaslift;
One water distribution system is used to provide the cistern that produces piping;
One control system, the compressed air and the water in the water distribution system that are used for controlling air distribution system inject mozzle.
3. the cleaning control system of sweeping according to claim 2 is characterized in that: air distribution system mainly comprises air compressor (1.1), supercharging air accumulator (1.2), distribution rotary valve (1.4) and the air gauge (1.7) that is connected by pipeline;
And be arranged at appendix (1.3) in the Weeping well with natural filter bed, appendix (1.3) is layed in vertical shaft (2.2), gallery (2.3) and the chamber (5), place appendix (1.3) one ends of chamber (5) to be connected on the gas-water mixer (1.6), the other end is connected with distribution rotary valve (1.4), and each mozzle (4.1) is attempted by on the gas-water mixer (1.6).
4. the cleaning control system of sweeping according to claim 3 is characterized in that: gas-water mixer (1.6) is gone up the check valve (1.5) that an end that is connected with distribution rotary valve (1.4) is provided with control appendix break-make.
5. the cleaning control system of sweeping according to claim 2, it is characterized in that: water distribution system mainly comprises the backwash pond (2.1) that is arranged at the bank, be connected with electronic control butterfly valve between backwash pond (2.1) and the vertical shaft (2.2), retaining in backwash pond (2.1) is entered in the vertical shaft (2.2), displacement is extremely gone up the position of set pressure waterline (6) with vertical shaft (2.2), double acting water pump (3.1), electromagnetism two position three-way valve (3.3), two the tunnel rotate distributing valve (3.4), connect by pipeline between water pressure gauge (3.6) and the overflow valve (3.7), the two tunnel rotate distributing valve (3.4) is connected with gas-water mixer (1.6) by water-supply-pipe (3.2).
6. the cleaning control system of sweeping according to claim 5 is characterized in that: gas-water mixer (1.6) is gone up pilot operated valve device (2.4) and the combination valve (2.5) that an end that is connected with two tunnel rotation distributing valves (3.4) is provided with control water-supply-pipe break-make.
7. the cleaning control system of sweeping according to claim 2, it is characterized in that: control system mainly comprises a console (3.5), console (3.5) by two tunnel in the distribution rotary valve (1.4) in circuit and the air distribution system and the water distribution system rotate distributing valves (3.4), electromagnetism two position three-way valve (3.3) is connected, in order to the break-make of control connection valve.
8. the cleaning control system of sweeping according to claim 2 is characterized in that: be placed with active carbon in the gallery (2.3) or have the mineral matter that increases trace element in the water, removes organic matter raising water quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100451570A CN101279157B (en) | 2008-01-11 | 2008-01-11 | Method for air-water backwashing and surface cleaning natural filter bed filter material and a cleaning control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100451570A CN101279157B (en) | 2008-01-11 | 2008-01-11 | Method for air-water backwashing and surface cleaning natural filter bed filter material and a cleaning control system thereof |
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| CN101279157A CN101279157A (en) | 2008-10-08 |
| CN101279157B true CN101279157B (en) | 2011-07-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102500146B (en) * | 2011-11-10 | 2014-05-07 | 陈台智 | Filtering layer back washing method for percolating water abstraction and control system |
| CN103541346B (en) * | 2013-11-06 | 2015-04-22 | 吉林大学 | Underground water artificial recharge suspended matter blocking treatment method based on air flow circulation |
| CN110550789B (en) * | 2019-08-14 | 2024-04-05 | 东莞市金唐水处理设备有限公司 | Semiconductor pure water treatment system |
| CN113599888B (en) * | 2021-06-25 | 2022-06-07 | 广州市设计院集团有限公司 | Flushing system and flushing method for blind ditch |
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Effective date of registration: 20170420 Address after: 110032 Heilongjiang street, Huanggu District, Liaoning, No. 21, 1-6-7, Co-patentee after: Li Xiao Patentee after: Chen Liqi Address before: 610081 Chengdu, Jinniu District, North Ring Road, No. two, No. 3, building 3, unit 20, No. 1 Co-patentee before: Li Xiao Patentee before: Chen Taizhi |
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Granted publication date: 20110720 Termination date: 20190111 |