CN204159086U - A kind of Continuous Flow sand filter - Google Patents
A kind of Continuous Flow sand filter Download PDFInfo
- Publication number
- CN204159086U CN204159086U CN201420603478.9U CN201420603478U CN204159086U CN 204159086 U CN204159086 U CN 204159086U CN 201420603478 U CN201420603478 U CN 201420603478U CN 204159086 U CN204159086 U CN 204159086U
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- China
- Prior art keywords
- sand
- water
- shell
- continuous flow
- washing device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004576 sand Substances 0.000 title claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000005406 washing Methods 0.000 claims abstract description 26
- 239000010865 sewage Substances 0.000 claims abstract description 9
- 238000000746 purification Methods 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 230000001131 transforming Effects 0.000 description 4
- 206010016256 Fatigue Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 210000003128 Head Anatomy 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 238000011068 load Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010841 municipal wastewater Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000192700 Cyanobacteria Species 0.000 description 1
- 210000003027 Ear, Inner Anatomy 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000027455 binding Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
- 230000002000 scavenging Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005429 turbidity Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Abstract
The utility model proposes a kind of Continuous Flow sand filter, solve the problem that existing shifting sand filter maintenance cost is high.Comprise shell, inlet channel, water inlet supervisor, water-locator and central tube, central tube lower end is connected with air lift, upper end is connected with sand-washing device, sand-washing device comprises the shell that catchments, catchment in shell and be provided with inner sleeve and outer tube, the outer wall of inner sleeve and the inwall of outer tube are equipped with the projection of Spiral distribution, be connected by central plate between the outer wall of inner sleeve and outer tube, central plate offers water outlet seam, the opening of water inlet supervisor end is arranged in the collecting container at sand-washing device top, collecting container and water purification outlet pipe, sewage drainage pipe is connected, air lift is arranged in the cone bucket of bottom, bottom cone bucket is fixing in the enclosure, be provided with between bottom cone bucket and water-locator and lead sand hopper.The utility model makes to present helical duct between inner sleeve and outer tube by arranging projection, easy access sand-washing device, is conducive to saving maintenance cost, improves device utilization rate.
Description
Technical field
The utility model relates to a kind of sewage treatment area, is specifically related to a kind of shifting sand filter.
Background technology
In recent years, because domestic water body pollution is day by day serious, Chinese Government has formulated more and more stricter sewage discharge and reuse requirement, and many sewage treatment plants are all faced with carrying from one-level B to one-level A and mark transformation, in this process, various technique, technology competitively use.Active sand filtering technique and technology is lower with its disposable investment cost, without the need to being equipped with the advantages such as backwashing system, operation and maintenance expense be low, occupy more and more consequence in advanced treatment process of municipal wastewater.
In addition, along with the outburst of Taihu Lake basin " blue-green algae " event, government and people from all walks of life have more and more recognized the harm of nitrogen and phosphorus pollution to natural water, and in measures, " proposing mark transformation " to existing municipal sewage plant water outlet has become more and more urgent task.Because part of contaminated water treatment facility is reliable in the technologic disappearance of nitration denitrification or fluctuation of service, the ammonia nitrogen of final bio-chemical effluent or total nitrogen still maintain high-order level.
Continuous Flow sand filter with nitrification and denitrification function is " proposing mark transformation ", removes the best solution of ammonia nitrogen or total nitrogen further; And relying on flocculation reaction and the materialization separation function of itself, Continuous Flow sand filter also can by the phosphorus ligands in waste water to very low level.Effect of these denitrogenation dephosphorizings makes Continuous Flow sand filter be widely used in municipal wastewater " proposes mark transformation ".Meanwhile, in whole denitrogenation dephosphorizing process, the powerful self-cleaning filtering effect of Continuous Flow sand filter itself can make out aqueous suspension and turbidity obtain a very low level.
But the major defect that existing shifting sand filter exists is that cost is high, and its main cause is most of component is all integral structure, needs integral replacing after damage, causes maintenance cost high.Such as: sand-washing device primarily of inner helix pipe and outer spiral tube composition, in Long-Time Service, inner helix pipe and outer spiral tube easy to wear, cause treatment effect bad, and when keeping in repair, need whole replacing inner helix pipe and outer spiral tube, cause maintenance cost large.
In addition, the existing helical duct washed-out sand weak effect washing husky device, the suspension causing needs to be removed repeats, within the system of getting back to, to affect outlet effect with the sand of flowing.
Utility model content
The utility model proposes a kind of Continuous Flow sand filter, solve the problem that in prior art, shifting sand filter maintenance cost is high.
The technical solution of the utility model is achieved in that a kind of Continuous Flow sand filter, comprise shell, shell is connected with inlet channel, inlet channel is responsible for water inlet and is connected, the lower end of water inlet supervisor is connected with water-locator, the delivery port of water-locator upwards, central tube is provided with in water inlet supervisor, central tube lower end is connected with air lift, upper end is connected with sand-washing device, sand-washing device comprises the shell that catchments, catchment in shell and be provided with inner sleeve and outer tube, the outer wall of inner sleeve and the inwall of outer tube are equipped with the projection of Spiral distribution, be connected by central plate between the outer wall of inner sleeve and outer tube, central plate offers water outlet seam, the opening of water inlet supervisor end is arranged in the collecting container at sand-washing device top, collecting container upper end is connected with water purification outlet pipe, lower end is connected with sewage drainage pipe, air lift is arranged in the cone bucket of bottom, bottom cone bucket is fixing in the enclosure, be provided with between bottom cone bucket and water-locator and lead sand hopper.
Described sand hopper lower end of leading is provided with four bracing or strutting arrangements, and it is leg-of-mutton bracing frame that bracing or strutting arrangement comprises cross section, and triangle support frame is provided with U-shaped support member, U-shaped support member with lead along being connected under sand hopper, bracing frame simultaneously bores with bottom the contact internal walls that struggles against.
Described projection is cross section is leg-of-mutton fixed head.
Described shell is provided with upper and lower two visors, and shell is also provided with manhole.
Described water-locator is provided with eight water distribution branch pipes, and eight water distribution branch pipes are distributed on on water supervisor.
The described shell that catchments is fixed on adjustable plate, and adjustable plate is connected with locking knob.
Described bottom cone bucket is made up of the trapezoidal plate of eight isosceles, and trapezoidal plate lower end is arranged on outer casing bottom, is arranged on trapezoidal plate inwall above trapezoidal plate.
In the utility model, make to present helical duct between inner sleeve and outer tube by arranging projection, when not affecting sand-washing device work, easy access sand-washing device, after projection wearing and tearing, only need to change projection, do not need to change whole sand-washing device, also do not need to change inner sleeve and outer tube frequently.Be conducive to saving maintenance cost, improve device utilization rate.When filter medium is by this helical duct, the turbulent condition of aggravation medium, makes active sand be separated with the suspension of interception, reaches the effect removing suspension.In addition, the air-lift unit pumping system of inner sleeve and connection can mention maintenance separately, easy access sand-washing device, center sand extraction tube and carry sand device.Helical duct arranges and improves being separated of active sand and suspension, improves system treatment effeciency more than 20%.Put forward sand system to mention separately maintenance and be conducive to saving maintenance cost, improve device utilization rate and extension fixture service life.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is bottom cone bucket schematic top plan view.
Fig. 4 is the enlarged diagram of sand-washing device.
Fig. 5 is the schematic top plan view of Fig. 4.
Fig. 6 is the structural representation of bracing or strutting arrangement.
Wherein: 1. shell, 2. inlet channel, 3. water inlet supervisor, 4. water-locator, 4-1. water distribution branch pipe, 5. cone bucket bottom, 6. bracing or strutting arrangement, 7. air lift, 8. central tube, 9. sand-washing device, 9-1. catchments shell, 9-2. inner sleeve, 9-3. outer tube, 9-4, protruding, 9-5. collecting container, 9-6. central plate, 9-7. water outlet is stitched, 10. water purification outlet pipe, 11. sewage drainage pipes, 12. lead sand hopper, 13. bracing frames, 14.U type support member, 15. manholes, 16. visors, 17. adjustable plates, 18. trapezoidal plates.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in figs. 1 to 6, a kind of Continuous Flow sand filter, comprise shell 1, shell 1 is connected with inlet channel 2, inlet channel 2 is connected with water inlet supervisor 3, the lower end of water inlet supervisor 3 is connected with water-locator 4, the delivery port of water-locator 4 upwards, central tube 8 is provided with in water inlet supervisor 3, central tube 8 lower end is connected with air lift 7, upper end is connected with sand-washing device 9, sand-washing device 9 comprises the shell 9-1 that catchments, catchment in shell 9-1 and be provided with inner sleeve 9-2 and outer tube 9-3, the outer wall of inner sleeve 9-2 and the inwall of outer tube 9-3 are equipped with the protruding 9-4 of Spiral distribution, be connected by central plate 9-6 between the outer wall of inner sleeve 9-2 and outer tube 9-3, central plate 9-6 offers water outlet seam 9-7, the opening of water inlet supervisor 3 end is arranged in the collecting container 9-5 at sand-washing device 9 top, collecting container 9-5 upper end is connected with water purification outlet pipe 10, lower end is connected with sewage drainage pipe 11, air lift 7 is arranged in the cone bucket 5 of bottom, bottom cone bucket 5 is fixed in shell 1, be provided with between bottom cone bucket 5 and water-locator 4 and lead sand hopper 12.
The inner sleeve 9-2 that described central tube 8 and its lower end are connected with air lift 7 and sand-washing device can not dismantle convenient under other component prerequisites proposition.
Sand-washing device 9 comprises inner sleeve 9-2, outer tube 9-3 and protruding 9-4, and protruding 9-4 is arranged in the shape of a spiral, when filter sand is lowered through protruding labyrinth, filter sand is forced to do eddy motion, run into the filtrate flow of rising, the impurity in filter sand will be rinsed totally simultaneously, and flow out with the rinse water risen.
When the utility model uses, be placed with filter sand material in filter, its main use principle is as follows, 1. raw water filtration: former water enters filter interior through water inlet supervisor 3, upwards sprayed uniformly by water-locator 4, water upruss, by filter material layer, makes the pollutant load in water reduce; In quartz sand filter media, the content of pollutant increases simultaneously, and the pollutant load of lower floor's filter material layer is higher than upper strata filtrate.After filter, water relies on flow by gravity to discharge from water purification outlet pipe 10.2. filtrate cleaning: the filter sand of filter bottom relies on the lifting of air lift 7 to arrive the sand-washing device 9 being positioned at filter top, by action of turbulent flow, dirty particle is separated from active sand, impurity is discharged, and the filter sand after cleaning falls back to casting bed upper strata, and circulating in central tube 8 of sand is carried out.
Because quartz sand filter media is in the filter in top-down motion state, play stirring action to former water, therefore stirring flocculation can complete in filter.In filter, filtrate is in time clean, can bear higher water inlet pollutant levels.When mixture leaves air-lift unit delivery side of pump, speed declines, and filter sand will fall into sand-washing device.The impurity of filter sand will be discharged from rinse water drainpipe with washed-out sand water.Suck the filter sand amount of air lift by controlling air flow control.Larger air-flow will upgrade more filter sand, and vice versa.
As preferably, described sand hopper 12 lower end of leading is provided with four bracing or strutting arrangements 6, and it is leg-of-mutton bracing frame 13 that bracing or strutting arrangement 6 comprises cross section, and bracing frame 13 is provided with U-shaped support member 14, U-shaped support member 14 with lead sand hopper 12 times edges and be connected by bolt, bracing frame 13 one side bores bucket 5 contact internal walls with bottom.Bracing or strutting arrangement 6 reasonablely can fixedly lead sand hopper 12, and in time leading sand hopper 12 or fixture 6 breaks down, than being easier to maintenance, can change any one parts wherein, reduces maintenance cost.
Described protruding 9-4 is cross section is leg-of-mutton fixed head, the form that protruding 9-4 is bolted is fixed on inner sleeve 9-2, outer tube 9-3, due in Long-Time Service process, filter sand moves up and down, easy wearing and tearing are protruding, projection is separated with inner sleeve 9-2, outer tube 9-3 the form design taking to be flexibly connected by the utility model, compares the maintenance being convenient to sand-washing device, reduces maintenance cost.
Described shell 1 is provided with upper and lower two visors 16, and shell 1 is also provided with manhole 15.Filter interior situation can be observed in time by visor 16, can be overhauled device easily by manhole 15.
As shown in Figure 5, preferably, described water-locator 4 is provided with eight water distribution branch pipe 4-1, and eight water distribution branch pipe 4-1 are distributed on on water supervisor 3.This setup makes water distribution more even, is conducive to improving scavenging effect.
Preferred as a step again, described in the shell 9-1 that catchments be fixed on adjustable plate 17, adjustable plate 17 is connected with locking knob.Cleaning current are produced by the liquid level difference between the liquid level of filter liquor in filter and Liquid level container.The pressure reduction produced by liquid level difference will promote sub-fraction filtrate.
As shown in Figure 3, described bottom cone bucket 5 is made up of the trapezoidal plate 18 of eight isosceles, and trapezoidal plate 18 lower end is arranged on bottom shell 1, is arranged on trapezoidal plate inwall above trapezoidal plate 18.This design is convenient to assembling, the maintenance of bottom cone bucket 5.
In the utility model, filter and carry out with washed-out sand simultaneously, without the need to shutting down backwash, and power consumption is lower, system Maintenance free, and simple and convenient management can unmanned.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a Continuous Flow sand filter, comprise shell (1), shell (1) is connected with inlet channel (2), it is characterized in that: inlet channel (2) is responsible for (3) with water inlet and is connected, the lower end of water inlet supervisor (3) is connected with water-locator (4), the delivery port of water-locator (4) upwards, central tube (8) is provided with in water inlet supervisor (3), central tube (8) lower end is connected with air lift (7), upper end is connected with sand-washing device (9), sand-washing device (9) comprises the shell that catchments (9-1), catchment in shell (9-1) and be provided with inner sleeve (9-2) and outer tube (9-3), the outer wall of inner sleeve (9-2) and the inwall of outer tube (9-3) are equipped with the projection (9-4) of Spiral distribution, be connected by central plate (9-6) between the outer wall of inner sleeve (9-2) and outer tube (9-3), central plate (9-6) offers water outlet seam (9-7), the opening of water inlet supervisor (3) end is arranged in the collecting container (9-5) at sand-washing device (9) top, collecting container (9-5) upper end is connected with water purification outlet pipe (10), lower end is connected with sewage drainage pipe (11), air lift (7) is arranged in bottom cone bucket (5), bottom cone bucket (5) is fixed in shell (1), be provided with between bottom cone bucket (5) and water-locator (4) and lead sand hopper (12).
2. Continuous Flow sand filter according to claim 1, it is characterized in that: described in lead sand hopper (12) lower end and be provided with four bracing or strutting arrangements (6), it is leg-of-mutton bracing frame (13) that bracing or strutting arrangement (6) comprises cross section, triangle support frame (13) is provided with U-shaped support member (14), U-shaped support member (14) with lead along being connected under sand hopper (12), bracing frame (13) simultaneously bores with bottom (5) contact internal walls that struggles against.
3. Continuous Flow sand filter according to claim 1, is characterized in that: described projection (9-4) is cross section is leg-of-mutton fixed head.
4. according to the Continuous Flow sand filter one of claims 1 to 3 Suo Shu, it is characterized in that: described shell (1) is provided with upper and lower two visors (16), shell 1 is also provided with manhole (15).
5. Continuous Flow sand filter according to claim 4, is characterized in that: described water-locator (4) is provided with eight water distribution branch pipes (4-1), and eight water distribution branch pipes (4-1) are distributed on on water supervisor (3).
6. Continuous Flow sand filter according to claim 5, is characterized in that: described in the shell (9-1) that catchments be fixed on adjustable plate (17), adjustable plate (17) is connected with locking knob.
7. Continuous Flow sand filter according to claim 6, it is characterized in that: described bottom cone bucket (5) is made up of the trapezoidal plate (18) of eight isosceles, trapezoidal plate (18) lower end is arranged on shell (1) bottom, and trapezoidal plate (18) top is arranged on trapezoidal plate inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603478.9U CN204159086U (en) | 2014-10-20 | 2014-10-20 | A kind of Continuous Flow sand filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603478.9U CN204159086U (en) | 2014-10-20 | 2014-10-20 | A kind of Continuous Flow sand filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204159086U true CN204159086U (en) | 2015-02-18 |
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ID=52532817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420603478.9U Active CN204159086U (en) | 2014-10-20 | 2014-10-20 | A kind of Continuous Flow sand filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204159086U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080188A (en) * | 2015-08-07 | 2015-11-25 | 湖南新九方科技有限公司 | Installation method for sewage treatment sand filter pool system |
| CN112791465A (en) * | 2021-04-07 | 2021-05-14 | 微资源(上海)生物技术有限公司 | Active sand filter |
-
2014
- 2014-10-20 CN CN201420603478.9U patent/CN204159086U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080188A (en) * | 2015-08-07 | 2015-11-25 | 湖南新九方科技有限公司 | Installation method for sewage treatment sand filter pool system |
| CN112791465A (en) * | 2021-04-07 | 2021-05-14 | 微资源(上海)生物技术有限公司 | Active sand filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Continuous quick sand filter Effective date of registration: 20161206 Granted publication date: 20150218 Pledgee: Beijing ustron Tongsheng financing Company limited by guarantee Pledgor: This water utilities Science and Technology Ltd. of Wald, Beijing Registration number: 2016990001078 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model |