CN103657173A - Upward flow filtering device using homogeneous heavy thick filter material - Google Patents
Upward flow filtering device using homogeneous heavy thick filter material Download PDFInfo
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- CN103657173A CN103657173A CN201310682437.3A CN201310682437A CN103657173A CN 103657173 A CN103657173 A CN 103657173A CN 201310682437 A CN201310682437 A CN 201310682437A CN 103657173 A CN103657173 A CN 103657173A
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Abstract
The invention discloses an upward flow filtering device using a homogeneous heavy thick filter material. The upward flow filtering device comprises a shell, a water purifying area, a filter material area, a supporting system, a water distributing system, a gas distributing system, a purified water outlet system and a backwashing water draining system, wherein the water purifying area, the filter material area and the supporting system are sequentially arranged inside the shell from the top to the bottom; a vent hole is formed in the top of the shell; a discharging hole is formed in the side wall at the lower half of the shell; a water draining hole is formed in the bottom of the shell; the water distributing system and the gas distributing system are arranged inside the supporting system; the purified water outlet system and the backwashing water draining system are arranged inside the water purifying area; the homogeneous heavy thick filter material is arranged inside the filter material area. The upward flow filtering device using the homogeneous heavy thick filter material can solve the common technical problems of the conventional upward flow filtering device that the filter material is loose in the filtering process, the filtering speed is low, the algae removing rate is low, the filter material cannot be backwashed completely and the like.
Description
Technical field
The present invention relates to a kind of environmental protection filter, relate in particular to a kind of for algae of water body such as city appearance water body (landscape lake, Landscape River, landscape pond, fountain sight, the type of breeding fish landscape water body, view fishpond etc.), swimming pool, cooling waters, the removal filter of turbidity material.
Background technology
Plumbing is processed filter plant and is substantially divided into two large classes, and a kind of is top-down lower to stream filter plant, and another kind is upward flowing type filter plant from bottom to top.
Traditional filtering great majority adopt top-down lower to stream filter plant, and common equipment has gravity filter equipment, pressure sand tank, fiber filtering filter plant, becomes space positive flow filter plant etc.; Upward flowing type filter plant from bottom to top, common equipment has anti-granularity filter plant, active sand filter plant, light filter material upward flow filtration equipment etc.The said equipment exists respectively strainability unstable, alga-killing rate is low, filtrate pollutant holding capability is low, the easy defect such as loosening of filtering layer during filtration, when filtrate is held back suspended particle, Algal Effects and is obtained bringing into play far away, just need to stop filtering and backwash, cause the problems such as filter cycle is short, filtering velocity is low, the loss of flood peak is large, backwash is thorough, race material.
Summary of the invention
The object of this invention is to provide a kind of employing homogeneous heavy filtrate upward flow filtering equipment, when it is intended to solve filtration, filtrate is loosening, and the rate of filtration is low, and alga-killing rate is low, and filtrate backwash does not thoroughly wait the common technical problems of upward flow filtering equipment.
In order to realize foregoing invention object, the present invention is achieved through the following technical solutions:
A homogeneous heavy coarse media upward flow filtering equipment, comprises that housing, purification pool, filtrate district, support system, water distribution system, gas distribution system, the outlet system of purifying waste water, backwashing water drainage system form; In described housing, be followed successively by from top to bottom and purify pool, filtrate district and support system; Steam vent is positioned at case top, and blowdown hole is positioned on the sidewall of housing the latter half, and spilled water hole is positioned at housing bottom; Described support system inside comprises water distribution system and gas distribution system; In described purification pool, comprise the outlet system of purifying waste water, backwashing water drainage system; Configuration homogeneous heavy coarse media in described filtrate district.
Described water distribution system is comprised of raw water inlet, former water water inlet pipe, water-distributing device.
Described water-distributing device has two kinds of structures, a kind ofly cloth water conduit tube, water distribution branch pipe, consists of; Another kind is comprised of water distributing plate and water distribution mouth.
Described gas distribution system is comprised of air inlet, air inlet main pipe, air inlet Zhi Ganguan, air intake branch.
Described support system has two kinds of structures, and a kind of structure is comprised of graticule mesh, bracing frame, support column under graticule mesh, lower filter plate, lower filter plate on graticule mesh, support filtrate, lower filter plate under upper filter plate, upper filter plate; Another kind of structure is by supporting filtrate and bracing frame forms.
Under described upper filter plate, on graticule mesh, lower filter plate, under graticule mesh, lower filter plate, the grid gap scope of graticule mesh is: 0.5mm≤graticule mesh gap≤2mm.Described upper filter plate, lower filter plate are slight drag water distribution filter plate.
Described support filtrate adopts 4-8mm or 8-16mm filtrate, and filtrate is heavy filtrate.
The filtrate combination of two or more of described homogeneous heavy coarse media employing 0.25-0.5mm magnetic iron ore, 0.5-1mm magnetic iron ore, 1-2mm magnetic iron ore and 1-2mm quartz sand; Or the filtrate of 0.25-0.5mm magnetic iron ore, 0.5-1mm magnetic iron ore and 1-2mm magnetic iron ore combination.
The thickness of described homogeneous coarse media is 600-2500mm.
The described outlet system of purifying waste water is comprised of effluent collection pipe, the outlet pipe of purifying waste water; Backwashing water drainage system is comprised of effluent collection pipe, backwashing water drainpipe.
The housing of this homogeneous heavy coarse media upward flow filtering equipment is tank body or pond; The material in tank body or pond is a kind of in fiberglass, plastics, concrete or steel.
The invention has the beneficial effects as follows:
What the homogeneous heavy coarse media upward flow filtering equipment of high alga-killing rate of the present invention was mainly used is homogeneous heavy coarse media, it relies on whole filtering layer that the suspension in water body is flocculated, precipitates, adsorbs, filtered, can effectively promote the pollutant holding capability of filtering layer, reduce the resistance of filtering layer, promoted the rate of filtration of whole filtering layer, while effectively having avoided upward flow filtration, filtrate occurs loosening.In homogeneous heavy coarse media, heavy fine filtering material adds and evenly mixes in filtering layer, greatly reduced the local porosity of heavy coarse media, increase the desilting area of filtering layer, dwindled the precipitation distance of algae, turbidity material, promoted greatly the retaining power of filter.In addition, the water-distributing device of homogeneous heavy coarse media upward flow filtering equipment is evenly distributed former water water body under filtering layer, and filtering layer, after air-water flushing, water rinse, significantly promotes the backwash efficiency of filtering layer, effectively prevents the accumulation of mud in filtering layer.
Accompanying drawing explanation
Fig. 1 is the elevation of technical solution of the present invention one;
Fig. 2 is the gas distribution pipe plane of technical solution of the present invention one;
Fig. 3 is the water distributing plate plane of technical solution of the present invention one;
Fig. 4 is the elevation of technical solution of the present invention two;
Fig. 5 is the water distributor plane of technical solution of the present invention two;
Fig. 6 is the air distribution plate plane of technical solution of the present invention one.
In figure, number: 101 is housing, 102 is inspection opening, 103 is steam vent, 104 is blowdown hole, 105 is spilled water hole, 201 for purifying pool and sewage backwash district, 301Wei filtrate district, 401 is upper filter plate, 402 is graticule mesh under upper filter plate, 403 for supporting filtrate, 404 is graticule mesh on lower filter plate, 405 is lower filter plate, 406 is graticule mesh under lower filter plate, 407 is supporting bracket, 408 is support post, 409 is supporting bracket, 410 for supporting filtrate, 501 is raw water inlet, 502 is former water water inlet pipe, 503 is water distributing plate, 504 is water distributing pore, 505 is former water water inlet Zhi Ganguan, 506 is former water water inlet pipe, 601 is air inlet, 602 is air inlet main pipe, 603 is air inlet Zhi Ganguan, 604 is air intake branch, 701 is outlet pipe, 702 is the outlet pipe of purifying waste water, 801 is backwash drainpipe.
The specific embodiment
There are two kinds of technical schemes in the present invention.
Technical scheme one, referring to Fig. 1,2,3.
Homogeneous heavy coarse media upward flow filtering equipment of the present invention, comprises that housing, purification pool (You Cheng sewage backwash district), filtrate district, support system, water distribution system, gas distribution system, the outlet system of purifying waste water, backwashing water drainage system form.Homogeneous heavy coarse media upward flow filtering equipment is followed successively by from top to bottom and purifies pool and sewage backwash district 201, filtrate district 301, support system; Described support system inside comprises water distribution system and gas distribution system; In described purification pool, comprise the outlet system of purifying waste water, backwashing water drainage system; Configuration homogeneous heavy coarse media in described filtrate district.
Filtered water system: former water enters former water water inlet pipe 502 through raw water inlet 501, then enter the below of water distributing plate 503, after water distributing pore 504 uniform water distributions, former water enters the top of water distributing plate 503. on water distributing plate 503, dispose more than 3 water distributing pores 504.Former water above water distributing plate 503, after water distribution uniformity inside lateral, then step by step by graticule mesh 404 on graticule mesh 406, lower filter plate 405, lower filter plate under supporting bracket 407, lower filter plate, support graticule mesh 402, upper filter plate 401 under filtrate 403, upper filter plate.Support the conventional batching of filtrate and adopt 4-8mm, 8-16mm magnetic iron ore.Under lower filter plate, on graticule mesh 406, lower filter plate, under graticule mesh 404, upper filter plate, the conventional specification of graticule mesh 402 is: 0.5mm≤graticule mesh gap≤2mm.Lower filter plate 405, upper filter plate 401 are slight drag water distribution filter plate.Former water enters after filtrate district 301 homogeneous heavy filtrates, turbidity material in former water and algae are progressively purified after flocculating, precipitate, adsorb, hold back in homogeneous heavy filtrate, and the water after purification enters and purifies pool, after outlet pipe 701 collects, by purifying waste water, outlet pipe 702 flows out.The conventional batching of homogeneous heavy filtrate adopts the filtrate combination of 0.25-0.5mm magnetic iron ore, 0.5-1mm magnetic iron ore, 1-2mm magnetic iron ore, 1-2mm quartz sand; Or the filtrate combination of 0.25-0.5mm magnetic iron ore, 0.5-1mm magnetic iron ore, 1-2mm magnetic iron ore.The conventional thickness of homogeneous heavy filtrate is 600-2500mm.
Backwash water system: adopt former water backwashing during the backwash of homogeneous heavy coarse media upward flow filtering equipment.Former water enters former water water inlet pipe 502 through raw water inlet 501, then enters the below of water distributing plate 503, and after water distributing pore 504 uniform water distributions, former water enters the top of water distributing plate 503.Former water is above water distributing plate 503, after water distribution uniformity inside lateral, then step by step by after graticule mesh 402, upper filter plate 401 under graticule mesh 404, support filtrate 403, upper filter plate on graticule mesh 406, lower filter plate 405, lower filter plate under supporting bracket 407, lower filter plate, former water enters 301 pairs, filtrate district homogeneous heavy filtrate and carries out backwash, the water rinsing after filtrate enters sewage backwash district 201, after outlet pipe 701 collects, by 801 discharges of backwash drainpipe.
Backwash air system: compressed air enters in air inlet main pipe 602 through air inlet 601, after air inlet Zhi Ganguan 603 uniform blastings, enter air intake branch 604, the qi-emitting hole of compressed air pump air intake branch 604 is divided into after some minute bubbles, step by step by supporting bracket 407, graticule mesh 406 under lower filter plate, lower filter plate 405, graticule mesh 404 on lower filter plate, support filtrate 403, under upper filter plate, graticule mesh 402, upper filter plate 401 enters filtrate district 301, bubble rises in homogeneous heavy filter material layer, expand, break, impel the lifting that makes progress of homogeneous heavy filtrate, and rolling up and down, wash by rubbing with the hands.Air enters behind backwashing sewage water district 201, and part air is got rid of by the exhaust outlet 103 of housing 101 tops, and part air is discharged by outlet pipe 701, backwash drainpipe 801 with current.
Backwash generally comprises following steps:
The first step: gas/water backwashing: backwashing water comes from former water.During backwash, former water, after booster pump supercharging, enters filtrate district by water distribution system, support system.Compressed air also enters filtrate district by gas distribution system, support system.The homogeneous heavy filtrate in filtrate district, under the acting in conjunction of gas/water, expands, rolls and wash by rubbing with the hands up and down, and the foreign material on filtrate and filtrate gap enter sewage backwash district with current, and after outlet pipe collects, by sewage backwash pipe, get rid of.
Second step: water rinse: further the homogeneous heavy filtrate in filtrate district is carried out to rinsing by former water, to discharge sewage and the bubble in homogeneous heavy filtrate.After backwash finishes, can reenter filter.
In technical scheme two, referring to Fig. 4,5,6.
Homogeneous heavy coarse media upward flow filtering equipment of the present invention, comprises that housing, purification pool (You Cheng sewage backwash district), filtrate district, support system, water distribution system, gas distribution system, the outlet system of purifying waste water, backwashing water drainage system form.Homogeneous heavy coarse media upward flow filtering equipment is followed successively by from top to bottom and purifies pool and sewage backwash district 201, filtrate district 301, support system; Described support system inside comprises water distribution system and gas distribution system; In described purification pool, comprise the outlet system of purifying waste water, backwashing water drainage system; Configuration homogeneous heavy coarse media in described filtrate district.
Filtered water system: former water enters former water water inlet main pipe 502 through raw water inlet 501, then enters former water water inlet primary branch 505, and after the preliminary water distribution of former water water inlet primary branch 505, former water enters former water water inlet pipe 506.Former water stitches after water distribution uniformity by the water distribution on former water water inlet pipe 506, and former water enters filtrate district 301 by supporting filtrate 410.In filtrate district 301, the turbidity material in former water and algae are progressively purified after flocculating, precipitate, adsorb, hold back in homogeneous heavy filtrate, and the water after purification enters and purifies pool, and after outlet pipe 701 collects, by purifying waste water, outlet pipe 702 flows out.The routine batching that supports filtrate 410 is 4-8mm, 8-16mm magnetic iron ore, and the conventional thickness that supports filtrate 410 is as the criterion to cover former water water inlet primary branch 505.The conventional batching of homogeneous heavy filtrate adopts the filtrate combination of 0.25-0.5mm magnetic iron ore, 0.5-1mm magnetic iron ore, 1-2mm magnetic iron ore, 1-2mm quartz sand; Or the filtrate combination of 0.25-0.5mm magnetic iron ore, 0.5-1mm magnetic iron ore, 1-2mm magnetic iron ore.The conventional thickness of homogeneous heavy filtrate is 600-2500mm.
Backwash water system: adopt former water backwashing during the backwash of homogeneous heavy coarse media upward flow filtering equipment.Former water enters former water water inlet main pipe 502 through raw water inlet 501, then enters former water water inlet primary branch 505, and after the preliminary water distribution of former water water inlet primary branch 505, former water enters former water water inlet pipe 506.Former water stitches after water distribution uniformity by the water distribution on former water water inlet pipe 506, and former water enters filtrate district 301 by supporting filtrate 410.In filtrate district 301, former water carries out backwash to homogeneous heavy filtrate, and the water rinsing after filtrate enters sewage backwash district 201, after outlet pipe 701 collects, by 801 discharges of backwash drainpipe.
Backwash air system: compressed air enters in air inlet main pipe 602 through air inlet 601, after air inlet Zhi Ganguan 603 uniform blastings, enter air intake branch 604, compressed air is divided into after some minute bubbles through the qi-emitting hole of air intake branch 604, enters and supports in filtrate 410; In supporting filtrate 410, minute bubbles are divided into some less minute bubbles again, then enter homogeneous heavy filter material layer; In homogeneous heavy filter material layer, minute bubbles rise, expand, break, and impel the lifting that makes progress of homogeneous heavy filtrate, and roll up and down, wash by rubbing with the hands.Air enters behind backwashing sewage water district 201, and part air is got rid of by the exhaust outlet 103 of housing 101 tops, and part air is discharged by outlet pipe 701, backwash drainpipe 801 with current.
Backwash generally comprises following steps:
The first step: gas/water backwashing: backwashing water comes from former water.During backwash, former water, after booster pump supercharging, enters filtrate district by water distribution system, support system.Compressed air also enters filtrate district by gas distribution system, support system.The homogeneous heavy filtrate in filtrate district, under the acting in conjunction of gas/water, expands, rolls and wash by rubbing with the hands up and down, and the foreign material on filtrate and filtrate gap enter sewage backwash district with current, and after outlet pipe collects, by sewage backwash pipe, get rid of.
Second step: water rinse: further the homogeneous heavy filtrate in filtrate district is carried out to rinsing by former water, to discharge sewage and the bubble in homogeneous heavy filtrate.After backwash finishes, can reenter filter.
Claims (10)
1. a homogeneous heavy coarse media upward flow filtering equipment, is characterized in that, comprises that housing, purification pool, filtrate district, support system, water distribution system, gas distribution system, the outlet system of purifying waste water, backwashing water drainage system form; In described housing, be followed successively by from top to bottom and purify pool, filtrate district and support system; Steam vent is positioned at case top, and blowdown hole is positioned on the sidewall of housing the latter half, and spilled water hole is positioned at housing bottom; Described support system inside comprises water distribution system and gas distribution system; In described purification pool, comprise the outlet system of purifying waste water, backwashing water drainage system; Configuration homogeneous heavy coarse media in described filtrate district.
2. a kind of homogeneous heavy coarse media upward flow filtering equipment according to claim 1, is characterized in that, water distribution system is comprised of raw water inlet, former water water inlet pipe, water-distributing device; Water-distributing device has two kinds of structures, a kind ofly cloth water conduit tube, water distribution branch pipe, consists of; Another kind is comprised of water distributing plate and water distribution mouth.
3. a kind of homogeneous heavy coarse media upward flow filtering equipment according to claim 1, is characterized in that, gas distribution system is comprised of air inlet, air inlet main pipe, air inlet Zhi Ganguan, air intake branch.
4. a kind of homogeneous heavy coarse media upward flow filtering equipment according to claim 1, it is characterized in that, support system has two kinds of structures, and a kind of structure is comprised of graticule mesh, bracing frame, support column under graticule mesh, lower filter plate, lower filter plate on graticule mesh, support filtrate, lower filter plate under upper filter plate, upper filter plate; Another kind of structure is by supporting filtrate and bracing frame forms.
5. a kind of homogeneous heavy coarse media upward flow filtering equipment according to claim 4, is characterized in that, under described upper filter plate, on graticule mesh, lower filter plate, under graticule mesh, lower filter plate, the grid gap scope of graticule mesh is: 0.5mm≤graticule mesh gap≤2mm; Described upper filter plate, lower filter plate are slight drag water distribution filter plate.
6. a kind of homogeneous heavy coarse media upward flow filtering equipment according to claim 4, is characterized in that, supports filtrate and adopts 4-8mm or 8-16mm filtrate, and filtrate is heavy filtrate.
7. a kind of homogeneous heavy coarse media upward flow filtering equipment according to claim 1, it is characterized in that the filtrate combination of two or more of described homogeneous heavy coarse media employing 0.25-0.5mm magnetic iron ore, 0.5-1mm magnetic iron ore, 1-2mm magnetic iron ore and 1-2mm quartz sand; Or the filtrate of 0.25-0.5mm magnetic iron ore, 0.5-1mm magnetic iron ore and 1-2mm magnetic iron ore combination.
8. according to a kind of homogeneous heavy coarse media upward flow filtering equipment described in claim 1 or 8, it is characterized in that, the thickness of homogeneous coarse media is 600-2500mm.
9. a kind of homogeneous heavy coarse media upward flow filtering equipment according to claim 1, is characterized in that, described in the outlet system of purifying waste water by effluent collection pipe, the outlet pipe of purifying waste water, formed; Backwashing water drainage system is comprised of effluent collection pipe, backwashing water drainpipe.
10. a kind of homogeneous heavy coarse media upward flow filtering equipment according to claim 1, is characterized in that, the housing of this homogeneous heavy coarse media upward flow filtering equipment is tank body or pond; The material in tank body or pond is a kind of in fiberglass, plastics, concrete or steel.
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Cited By (3)
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| CN105561642A (en) * | 2014-11-11 | 2016-05-11 | 无锡市德林环保工程有限公司 | Sewage filtering device |
| CN110711414A (en) * | 2018-07-12 | 2020-01-21 | 北京奥博水处理有限责任公司 | Double-bed medium filter |
| CN110917679A (en) * | 2019-12-05 | 2020-03-27 | 青岛理工大学 | Micro-water-quantity back-flushing variable-speed upward-flow light filter material filter and method thereof |
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| CN110917679A (en) * | 2019-12-05 | 2020-03-27 | 青岛理工大学 | Micro-water-quantity back-flushing variable-speed upward-flow light filter material filter and method thereof |
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Application publication date: 20140326 |