CN105254029B - A kind of active bio sand filter and the sand filtration processing system containing sand filter - Google Patents

A kind of active bio sand filter and the sand filtration processing system containing sand filter Download PDF

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Publication number
CN105254029B
CN105254029B CN201510738751.8A CN201510738751A CN105254029B CN 105254029 B CN105254029 B CN 105254029B CN 201510738751 A CN201510738751 A CN 201510738751A CN 105254029 B CN105254029 B CN 105254029B
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China
Prior art keywords
sand
pipe
water
sand filtration
unit
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CN201510738751.8A
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CN105254029A (en
Inventor
吴顺勇
李佳林
李�杰
尚玉
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HEFEI GENERAL ENVIRONMENT CONTROL TECHNOLOGY CO LTD
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HEFEI GENERAL ENVIRONMENT CONTROL TECHNOLOGY CO LTD
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

A kind of sand filtration processing system the present invention relates to active bio sand filter and containing sand filter.This sand filter includes inlet unit, sand filtration processing unit and water unit;The pond body bottom of sand filtration processing unit is provided with concrete lift, and several adjacent recesses successively are provided with concrete lift, continuous sand filtration air water pipeline is provided with any one recess, casting bed is also filled with the pond body of sand filtration processing unit;The inlet unit is connected by sparge pipe and the water inlet in each continuous sand filtration air water pipeline;Delivery port in each continuous sand filtration air water pipeline is connected by drainpipe and the water unit, and the sewage draining exit in each continuous sand filtration air water pipeline discharges this sand filter by blow-off pipe.Active bio sand filter in the present invention is not only able to handle the sewage of larger flow, and wastewater treatment efficiency and washed-out sand effect are preferable, while saves construction costs, reduces production cost, economic benefit and social benefit are preferable.

Description

A kind of active bio sand filter and the sand filtration processing system containing sand filter
Technical field
The invention belongs to sand filtration technical field, and in particular to a kind of active bio sand filter and the sand filtration containing sand filter Processing system.
Background technology
Suspension in water can effectively be gone as a kind of water filtration facility divided by reach cleaning dirt by continuous sand filter The purpose of water, the extensive use in sewage disposal because of its good filtration effect.Common continuous sand filter generally comprises filtration fraction With washed-out sand part, filtration fraction therein includes housing, the water inlet pipe being connected with housing, the casting bed in housing (by sand Grain piles), the water knockout drum and outlet pipe that are arranged in casting bed.During filtering, sewage flows through water knockout drum from water inlet pipe and enters sand Bed, after sand beds, the pollution impurity in sewage is stayed in casting bed, and sewage is changed into clear water and discharges housing by outlet pipe Outside, the sand grains and in casting bed is then contaminated because retaining lower pollution impurity.In order to not influence filter effect, it is necessary to utilize washed-out sand Part returns it into casting bed after being cleaned to the sand grains of pollution, and conventional washed-out sand part is mainly by stripping tube and sand-washing device group Air inlet into stripping tube during, work blasts gas, and gas produces bubble in water, so as to blowing sand grains along stripping tube from lower and Upper motion, motion collision of the sand grains in water can make sand grains be separated with pollution impurity, when sand grains enters sand-washing device along stripping tube Afterwards, passage of the sand grains along sand-washing device the week side of boss moves down again is back to casting bed, and so as to reach the purpose of cleaning sand grains, washed-out sand water is then By blow-off pipe by outer row.
But the tank volume of continuous sand filter is typically small, when handling the sewage of larger flow, if build one compared with The continuous sand filter of monomer of large volume, then water treatment efficiency may reduce, and washed-out sand effect will also cannot be guaranteed, if building The continuous sand filter of monomer of multiple smaller size smallers, although wastewater treatment efficiency and washed-out sand effect are preferable, construction costs will It can greatly promote, so as to reduce economic benefit and social benefit.
The content of the invention
The present invention is to avoid the weak point present in above-mentioned prior art, there is provided a kind of active bio sand filter and Sand filtration processing system containing sand filter, the present invention in active bio sand filter be not only able to handle larger flow sewage, And wastewater treatment efficiency and washed-out sand effect are preferable, while construction costs is relatively low, and economic benefit and social benefit are preferable.
For achieving the above object, present invention employs following technical scheme:
A kind of active bio sand filter, this sand filter include set independently of one another inlet unit, sand filtration processing unit with And water unit;
The pond body bottom of the sand filtration processing unit is provided with concrete lift, is provided with the concrete lift some Individual adjacent recess successively, continuous sand filtration air water pipeline, the pond body of the sand filtration processing unit are provided with any one recess In be also filled with the casting bed being made up of filter sand, the highest point of the casting bed is less than the minimum of sand-washing device in continuous sand filtration air water pipeline Place;
The inlet unit is connected by sparge pipe and the water inlet in each continuous sand filtration air water pipeline;Each Delivery port in continuous sand filtration air water pipeline is connected by drainpipe and the water unit, each continuous sand filtration air water pipe Sewage draining exit in road discharges this sand filter by blow-off pipe.
Further, the inlet unit includes the inlet channel and distributing channel for being disposed adjacent and communicating with one another, the water distribution One side of the remote inlet channel of canal shares pool wall with the sand filtration processing unit;The delivery port of the distributing channel and the water distribution The water inlet of pipe is connected.
Further, the water unit is arranged on the downside of the inlet channel and distributing channel, and the water unit leans on One side of nearly sand filtration processing unit shares pool wall with the sand filtration processing unit.
Further, gas-distribution pipe, in addition to multiple supply being attempted by each other on gas-distribution pipe are additionally provided with this sand filter Pipe, is provided with valve and flowmeter on each air supply pipe, and each described air supply pipe with corresponding continuous sand filtration gas Air inlet in water lines uniquely corresponds to connection.
Further, any one described continuous sand filtration air water pipeline includes water inlet pipe, outlet pipe, blow-off pipe and air lift Pipe;The water inlet of the water inlet pipe is upwardly extended and is connected with the sparge pipe, and the pipe shaft of the water inlet pipe is set in vertical shape Put and be provided with water distribution sand separator in the middle part of concrete lift recess, the bottom of the water inlet pipe;The stripping tube be sheathed on into In the pipe shaft of the vertical shape of water pipe, stripping tube lower end is stretched out on the downside of water distribution sand separator, and the air inlet in stripping tube bottom Mouth is connected with the air supply pipe, and the upper end of the stripping tube extends upwardly on the outside of casting bed and is connected with the bottom of sand-washing device; The blow-off pipe is connected with the sand-washing device;The delivery port of the outlet pipe is connected with the drainpipe.
For the sand filtration processing system containing above-mentioned active bio sand filter, it includes primary treatment unit, the primary Primary treatment pond is provided with processing unit, the water inlet in the primary treatment pond is provided with grid, and primary treatment is provided with pond Multiple lift pumps, the delivery port of the lift pump are connected by water supply line with the inlet unit of sand filter, the water supply line Pipe-line mixer is provided with, the pipe-line mixer is also connected with drug feeding pipeline;The outlet of the blow-off pipe and the primary The water inlet of processing pond is connected.
Further, this sand filtration processing system also includes the source of the gas that is connected with gas-distribution pipe, and the source of the gas is air-compressor set, institute State air-compressor set and flowmeter electrically connects with central control unit.
Compared with the prior art, beneficial effects of the present invention are embodied in:
1), the present invention is provided with the concrete lift with multiple recesses in a sand filtration processing unit, and each recessed A complete continuous sand filtration air water pipeline is provided with portion, so as to which each recess in concrete lift is equivalent to one Individual conventional continuous sand filter.Therefore the present invention is realized achieved by the continuous sand filter of multiple routines by a pond body structure Function, the effect of sewage disposal is thus ensure that on the basis of construction costs is reduced.
2), inlet channel, distributing channel and the water unit in the present invention are arranged at the same side of sand filtration processing unit, and Adjacent side shares pool wall two-by-two for inlet channel, distributing channel, water unit and sand filtration processing unit, thus further saves Construction costs, reduces production cost.
3), the air-compressor set in the present invention and flowmeter electrically connect with central control unit, and this setup is not only , can also the continuous sand filtration gas of an actuating section as needed so that Sand Filtration System can both enable all continuous sand filtration air water pipelines Water lines;And when casting bed goes wrong in some recess of concrete lift, operating personnel's energy in central control room It is enough to find in time, so as to solve early, it is ensured that the normal operation of sewage disposal.
4), the washed-out sand water in the present invention is back to the front end of processing system by blow-off pipe again, so as to pollution Thing is more thoroughly handled, it is ensured that the clearance of pollutant.
Brief description of the drawings
Fig. 1 is the structural representation of active bio sand filter in the present invention.
Fig. 2 is the structural representation of sand filtration processing system in the present invention.
The implication of label symbol is as follows in figure:
10-primary treatment unit 11-grid, 12-primary treatment, 13-elevator pump
20-pipe-line mixer, 21-drug feeding pipeline, 30-sand filter, 31-inlet channel
32-distributing channel, 33-water unit, 34-sand filtration processing unit
35-concrete lift, 36-casting bed 37-continuous sand filtration air water pipeline
371-sparge pipe, 372-drainpipe, 373-blow-off pipe
40-gas-distribution pipe, 41-air supply pipe, 411-flowmeter
Embodiment
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched State, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
As shown in Fig. 2 sand filtration processing system includes following part:
1. primary treatment unit 10
Primary treatment pond 12 is provided with the primary treatment unit 10, the water inlet in the primary treatment pond 12 is provided with Grid 11, multiple lift pumps 13 is provided with primary treatment pond 12, the delivery port of the lift pump 13 passes through water supply line and sand filtration The inlet unit in pond 30 is connected.
2. pipe-line mixer 20
The pipe-line mixer 20 is serially connected on water supply official road, and pipe-line mixer 20 is also connected with drug feeding pipeline 21, pipe The major function of road blender 20 is to make added medicament realize with sewage to be sufficiently mixed, to ensure that medicament plays work completely With.
3. sand filter 30
As shown in Figure 1, 2, sand filter 30 includes inlet unit, sand filtration processing unit 34 and the water outlet set independently of one another Unit 33.
The inlet unit includes the inlet channel 31 and distributing channel 32 for being disposed adjacent and communicating with one another, the distributing channel 32 A side away from inlet channel 31 shares pool wall with the sand filtration processing unit 34;The delivery port of the distributing channel 32 is matched somebody with somebody with described The water inlet of water pipe 371 is connected.
The water unit 33 is arranged on the downside of the inlet channel 31 and distributing channel 32, and the water unit 33 is close One side of sand filtration processing unit 34 shares pool wall with the sand filtration processing unit 34.
The pond body bottom of the sand filtration processing unit 34 is provided with concrete lift 35, is set in the concrete lift 35 There are several adjacent recesses successively, continuous sand filtration air water pipeline 37 is provided with any one recess, the sand filtration processing is single The casting bed 36 being made up of filter sand is also filled with the pond body of member 34, the highest point of the casting bed 36 is less than continuous sand filtration air water pipeline The lowest part of sand-washing device in 37;
The inlet unit is connected by sparge pipe 371 and the water inlet in each continuous sand filtration air water pipeline 37; Delivery port in each continuous sand filtration air water pipeline 37 is connected by drainpipe 372 and the water unit 33, each Sewage draining exit in continuous sand filtration air water pipeline 37 discharges this sand filter by blow-off pipe 373.The outlet of the blow-off pipe 373 It is connected with the water inlet in the primary treatment pond 12.
Any one described continuous sand filtration air water pipeline 37 includes water inlet pipe, outlet pipe, blow-off pipe and stripping tube;It is described The water inlet of water inlet pipe is upwardly extended and is connected with the sparge pipe 371, and the pipe shaft of the water inlet pipe is arranged in vertical shape The middle part of the recess of concrete lift 35, the bottom of the water inlet pipe are provided with water distribution sand separator;The stripping tube is sheathed on into water In the pipe shaft of the vertical shape of pipe, stripping tube lower end is stretched out on the downside of water distribution sand separator, and the air inlet in stripping tube bottom Be connected with the air supply pipe 41, the upper end of the stripping tube extend upwardly to the outside of casting bed 36 and with the bottom phase of sand-washing device Even;The blow-off pipe is connected with the sand-washing device;The delivery port of the outlet pipe is connected with the drainpipe 372.Continuous sand The ins and outs of air filtration water lines 37 can be with further reference to prior art.
4. distribution part
This part includes gas-distribution pipe 40 and the air-compressor set being connected with gas-distribution pipe 40, in addition to multiple be attempted by each other is matched somebody with somebody Air supply pipe 41 on tracheae 40, valve and flowmeter 411, and each described air supply pipe 41 are provided with each air supply pipe 41 With the air inlet in corresponding continuous sand filtration air water pipeline 37 uniquely it is corresponding connection.The air-compressor set and flowmeter 411 Electrically connected with central control unit.
The course of work of sand filtration processing system in the present invention is described further below.
Grid 11 at primary treatment unit 10 is handled the large volume debris in sewage first, by preliminary filtering Sewage afterwards enters primary treatment pond 12, and water supply line is then entered in the presence of elevator pump 13;Sewage is on water supply line Pipe-line mixer in dosing mixing after enter inlet channel 31, the major function of inlet channel 31 is water storage, to reduce sewage to sand The impact in filter tank 30;Sewage subsequently enters distributing channel 32, and distributing channel 32 plays a part of reducing water flow velocity uniformly to supply water, sewage It is uniformly distributed to through sparge pipe 371 at each recess in sand filtration processing unit 34, and the continuous sand filtration at each recess Handled in the presence of air water pipeline 37, the water after filter after processing enters water unit 33 by drainpipe 372 and discharged, quilt The washed-out sand water of pollution then returns to primary treatment pond 12 and handled again.

Claims (4)

  1. A kind of 1. active bio sand filter, it is characterised in that:
    This sand filter (30) includes inlet unit, sand filtration processing unit (34) and the water unit (33) set independently of one another;
    The pond body bottom of the sand filtration processing unit (34) is provided with concrete lift (35), in the concrete lift (35) Provided with several adjacent recesses successively, continuous sand filtration air water pipeline (37) is provided with any one recess, at the sand filtration The casting bed (36) being made up of filter sand is also filled with the pond body of reason unit (34), the highest point of the casting bed (36) is less than continuous sand The lowest part of sand-washing device in air filtration water lines (37);
    The inlet unit is connected by sparge pipe (371) and the water inlet in each continuous sand filtration air water pipeline (37); Delivery port in each continuous sand filtration air water pipeline (37) is connected by drainpipe (372) and the water unit (33), Sewage draining exit in each continuous sand filtration air water pipeline (37) discharges this sand filter by blow-off pipe (373);
    The inlet unit includes the inlet channel (31) and distributing channel (32) for being disposed adjacent and communicating with one another, the distributing channel (32) A side and the sand filtration processing unit (34) of remote inlet channel (31) share pool wall;The delivery port of the distributing channel (32) It is connected with the water inlet of the sparge pipe (371);
    The water unit (33) is arranged on the downside of the inlet channel (31) and distributing channel (32), and the water unit (33) Pool wall is shared close to a side of sand filtration processing unit (34) and the sand filtration processing unit (34)
    Gas-distribution pipe (40) is additionally provided with sand filter, in addition to multiple air supply pipes (41) being attempted by each other on gas-distribution pipe (40), Be provided with valve and flowmeter (411) on each air supply pipe (41), and each described air supply pipe (41) with it is corresponding Air inlet in continuous sand filtration air water pipeline (37) uniquely corresponds to connection.
  2. 2. active bio sand filter according to claim 1, it is characterised in that:Any one described continuous sand filtration air water pipeline (37) water inlet pipe, outlet pipe, blow-off pipe and stripping tube are included;The water inlet of the water inlet pipe is upwardly extended and matched somebody with somebody with described Water pipe (371) is connected, and the pipe shaft of the water inlet pipe is arranged on the middle part of concrete lift (35) recess in vertical shape, described The bottom of water inlet pipe is provided with water distribution sand separator;The stripping tube is sheathed in the pipe shaft of vertical shape of water inlet pipe, stripping tube lower end Stretch out on the downside of water distribution sand separator, and the air inlet in stripping tube bottom is connected with the air supply pipe (41), the gas The upper end for carrying pipe extends upwardly on the outside of casting bed (36) and is connected with the bottom of sand-washing device;The blow-off pipe and the sand-washing device phase Even;The delivery port of the outlet pipe is connected with the drainpipe (372).
  3. A kind of 3. sand filtration processing system containing the active bio sand filter of claim 1 or 2, it is characterised in that:This sand filtration Processing system includes primary treatment unit (10), and primary treatment pond (12) are provided with the primary treatment unit (10), described first The water inlet of level processing pond (12) is provided with grid (11), and multiple lift pumps (13) are provided with primary treatment pond (12), described The delivery port of lift pump (13) is connected by water supply line with the inlet unit of sand filter (30), and the water supply line is provided with pipe Road blender (20), the pipe-line mixer (20) are also connected with drug feeding pipeline (21);The outlet of the blow-off pipe (373) with The water inlet of the primary treatment pond (12) is connected.
  4. 4. sand filtration processing system according to claim 3, it is characterised in that:This sand filtration processing system also includes and gas-distribution pipe (40) connected source of the gas, the source of the gas is air-compressor set, and the air-compressor set and flowmeter (411) are electric with central control unit Connection.
CN201510738751.8A 2015-11-02 2015-11-02 A kind of active bio sand filter and the sand filtration processing system containing sand filter Active CN105254029B (en)

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CN201510738751.8A CN105254029B (en) 2015-11-02 2015-11-02 A kind of active bio sand filter and the sand filtration processing system containing sand filter

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Application Number Priority Date Filing Date Title
CN201510738751.8A CN105254029B (en) 2015-11-02 2015-11-02 A kind of active bio sand filter and the sand filtration processing system containing sand filter

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CN105254029B true CN105254029B (en) 2018-01-12

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112791506A (en) * 2020-12-28 2021-05-14 江苏大学 Device and method for removing micro-plastics in water for farmland ditch irrigation

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101584950A (en) * 2009-07-03 2009-11-25 北京沃特林克环境工程有限公司 System for filtering active sand
CN102580371A (en) * 2012-03-07 2012-07-18 天津诚信环球节能环保科技有限公司 Dynamic quicksand filtering system
CN102728112A (en) * 2011-04-01 2012-10-17 扬州市天龙环保设备有限公司 Pneumatic backwash filter
KR101224510B1 (en) * 2012-08-20 2013-01-21 주식회사 화인 Upflow type sand filter for nitrogen and turbidity treatment
CN202962016U (en) * 2012-08-02 2013-06-05 诸暨市菲达宏宇环境发展有限公司 Active sand filtration device
CN203303707U (en) * 2013-06-21 2013-11-27 刘明清 Drift sand filter
CN203494236U (en) * 2013-10-15 2014-03-26 珠海大义环保科技有限公司 Novel high-efficiency active sand filtering system
KR101434825B1 (en) * 2014-06-03 2014-09-24 주식회사 화일씨앤이 High flow sand filter
CN205133256U (en) * 2015-11-02 2016-04-06 合肥通用环境控制技术有限责任公司 Active biological sand filter and contain sand filtration processing system of sand filter

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101584950A (en) * 2009-07-03 2009-11-25 北京沃特林克环境工程有限公司 System for filtering active sand
CN102728112A (en) * 2011-04-01 2012-10-17 扬州市天龙环保设备有限公司 Pneumatic backwash filter
CN102580371A (en) * 2012-03-07 2012-07-18 天津诚信环球节能环保科技有限公司 Dynamic quicksand filtering system
CN202962016U (en) * 2012-08-02 2013-06-05 诸暨市菲达宏宇环境发展有限公司 Active sand filtration device
KR101224510B1 (en) * 2012-08-20 2013-01-21 주식회사 화인 Upflow type sand filter for nitrogen and turbidity treatment
CN203303707U (en) * 2013-06-21 2013-11-27 刘明清 Drift sand filter
CN203494236U (en) * 2013-10-15 2014-03-26 珠海大义环保科技有限公司 Novel high-efficiency active sand filtering system
KR101434825B1 (en) * 2014-06-03 2014-09-24 주식회사 화일씨앤이 High flow sand filter
CN205133256U (en) * 2015-11-02 2016-04-06 合肥通用环境控制技术有限责任公司 Active biological sand filter and contain sand filtration processing system of sand filter

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