CN105330058B - A kind of adsorbing separation integrated reactor and its processing method - Google Patents

A kind of adsorbing separation integrated reactor and its processing method Download PDF

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Publication number
CN105330058B
CN105330058B CN201510726187.8A CN201510726187A CN105330058B CN 105330058 B CN105330058 B CN 105330058B CN 201510726187 A CN201510726187 A CN 201510726187A CN 105330058 B CN105330058 B CN 105330058B
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water
pipe
water inlet
inlet pipe
area
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CN105330058A (en
Inventor
滕济林
靳昕
李若征
王方
汪笑龙
刘谡飞
李郑坤
徐汉文
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Beijing Guodian Futong Science and Technology Development Co Ltd
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Beijing Guodian Futong Science and Technology Development Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The invention discloses a kind of adsorbing separation integrated reactor and its processing method.The reactor includes vertical main body, and body interior is divided into water distribution area, reaction zone, preliminary sedimentation area and membrane filtration area from bottom to top;The water inlet pipe and water-distributing device positioned at lower body part are provided with water distribution area, water inlet pipe is connected with water-distributing device, and umbrella hood is set above water-distributing device;Space is left between the periphery of umbrella hood and the inwall of main body;Be provided with reaction zone the backflow water inlet pipe that is connected with and recycling effluent pipe, flow back and reflux pump be set between water inlet pipe and recycling effluent pipe;Recycling effluent pipe exit sets nozzle.The vertical main body collection reaction of above-mentioned reactor reduces floor space with being deposited in one, compact and flexible;Agitating device is not provided with, directly using the impulse force of current, agitation mixing is carried out by the backflow of vast scale, and can guarantee that fluidised form;The concentration of higher adsorbent is kept, adsorption effect is good;Separation of solid and liquid is carried out using milipore filter, effluent quality is good.

Description

A kind of absorption-isolation integral reactor and its processing method
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of absorption-isolation integral reactor and its processing Method.
Background technology
Absorption method is a kind of basic method for treating water, using some active adsorbing materials, under certain condition by water Pollutant decrement and then separation.Absorption method is frequently used for removing the material that some physics, biology, chemical method are difficult to remove, such as Hardly degraded organic substance, heavy metal, colourity, some harmful nonmetallic ions etc., thus absorption method as independent process or and its His technique is combined to be widely used in drinking-water clean water treatment, advanced treatment of wastewater and Industrial Wastewater Treatment.
Applied to the fluidized-bed reactor in absorption method because water distribution uniformity is less demanding, the biography between adsorbent and water Matter is made good use of, the advantages of quantities of replacing adsorbent is smaller, increasingly attracts attention.But common fluid bed faces absorption Agent is separated from water difficulty, and hydraulic load control is improper, causes the problems such as adsorbent is lost in, thus usually with membrane separation technique knot Close, seperation film is set after absorption, to enter the separation of solid and liquid in water-filling, the process of absorption-separation is realized.
Chinese patent literature CN101492209A discloses a kind of adsorption-deposition-membrane assembly separation integrated reaction Device, including pond body, the inside of pond body is divided successively from front to back and is divided into adsorption zone, water distributing area, sloping plate deposition district and UF membrane Area.The side lower of adsorption zone, which is provided with water inlet pipe and chemical feed pipe, adsorption zone, is provided with automation agitating device.Water distributing area is with inhaling Partition wall top between attached area is provided with overfall, and the partition wall bottom between water distributing area and sloping plate deposition district is provided with distributing hole.Swash plate It is in provided with perforation row in 60 ° of some swash plates placed, the bottom mud area of sloping plate deposition district to be provided with settling zone with horizontal direction Water after mud pipe, precipitation is flowed into membrane separation zone from the overfall of the division wall of sloping plate deposition district Yu membrane separation zone.Membrane separation zone Membrane module is inside installed, the bottom of membrane module is set out is equipped with valve on water pipe and backwash tube, outlet pipe and backwash tube.
Above-mentioned reactor will adsorb, separate the completion in a reactor, be used in conjunction using sloping plate deposition, membrane separation process, Good effect of separating solid from liquid.But above-mentioned reactor still remains gallery type adsorption tank, although be easy to be thoroughly mixed, but in pond The absorbent concentration of maintenance is relatively low, its corresponding structures floor space or larger, to ensure fluidised form, lifting adsorption effect, adopts With the auxiliary power units such as stirring are installed additional, simultaneously as separation of solid and liquid difficulty employs sloping plate deposition, UF membrane knot after absorption Technique is closed, so as to add appliance arrangement, equipment investment and operating cost is improved.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome a set of reactor of adsorbing separation of the prior art to take up an area The defect such as area is big, equipment is complicated, cumbersome, cost is high, thus provide it is a kind of it is small-sized flexibly, floor space is not provided with stirring Mix device, absorption and good separating effect, equipment and the low absorption of operating cost-isolation integral reactor.
The invention solves the problems that another technical problem be to overcome adsorbing separation reactor of the prior art to take up an area face The defect that product is big, technological operation is more complicated, is carried out at sewage so as to provide one kind using above-mentioned absorption-isolation integral reactor The method of reason.
In order to achieve the above object, technical scheme is as follows:
A kind of absorption-isolation integral reactor, including vertical main body, the body interior are divided into water distribution from bottom to top Area, reaction zone, preliminary sedimentation area and membrane filtration area;
The water inlet pipe and water-distributing device positioned at the lower body part, the water inlet pipe and water distribution are provided with the water distribution area Device is connected, and umbrella hood is set above water-distributing device;Space is left between the periphery of umbrella hood and the inwall of main body;
Be provided with the reaction zone backflow water inlet pipe that is connected with and recycling effluent pipe, the water inlet pipe that flows back is with flowing back out Reflux pump is set between water pipe;The recycling effluent pipe exit sets nozzle;
The membrane filtration area is provided with membrane module and coupled outlet pipe.
In above-mentioned absorption-isolation integral reactor, the backflow water inlet pipe, recycling effluent pipe and nozzle are respectively with main body Central shaft for symmetry axis it is symmetrical.
In above-mentioned absorption-isolation integral reactor, the recycling effluent pipe is provided with two, two recycling effluents Pipe is set up in parallel above and below the axial direction along the main body.
In above-mentioned absorption-isolation integral reactor, each exit sets several nozzles, upper strata backflow The nozzles inclined upwards of outlet pipe, the nozzle of lower floor's recycling effluent pipe is tilted down;Angle of inclination is 10 °~30 °.
In above-mentioned absorption-isolation integral reactor, the ratio of height to diameter of the main body is 2~5.
In above-mentioned absorption-isolation integral reactor, the body top sets overfall, and bottom sets coke outlet.
In above-mentioned absorption-isolation integral reactor, the membrane module bottom is provided with aerator.
In above-mentioned absorption-isolation integral reactor, the membrane module is flat-plate ultrafiltration membrane component.
A kind of method that water process is carried out using above-mentioned absorption-isolation integral reactor, including step are as follows:
(1) the solid-liquid mixed liquor of water and adsorbent enters water-distributing device by water inlet pipe, control water inlet flow velocity be 0.2~ 0.5m/s, the gap through water-distributing device through main body and umbrella hood periphery after water distribution area water distribution uniformity flows up into reaction Area, upflow velocity is 0.5~1m/h;
(2) in reaction zone, reflux pump is opened, mixed liquor is drawn into backflow water inlet pipe (10) by reflux pump, and by flowing back Outlet pipe forms impulse force current through nozzle water outlet, and capacity of returns is 2~8 times of water inlet pipe flow of inlet water;
(3) mixed liquor behind reacted area continuously rises to reach preliminary sedimentation area, after being precipitated through preliminary sedimentation area, is upwardly into membrane filtration Area, carries out separation of solid and liquid by membrane module, then passes through outlet pipe water outlet.
The method of above-mentioned carry out water process, adsorbent is periodically discharged by coke outlet.
Technical solution of the present invention, has the following advantages that:
1. the absorption that the present invention is provided-isolation integral reactor, vertical main body collection reaction is reduced with being deposited in one Floor space, it is compact and flexible;Yu Jiang areas are arranged on adsorption zone, are settled after absorption, reduce adsorbent in water Concentration, reaction zone and precipitation separation (membrane filtration area) is produced certain concentration gradient, it is ensured that higher adsorption treatment load, Simultaneously reduce absorption after separation of solid and liquid difficulty, reduce membrane module blocking and rinse frequency so that reduce equipment and The investment of sorbing material and operating cost;Circulation is formed using the water inlet pipe that flows back, recycling effluent pipe and stream pump and gives current punching Power, is not provided with agitating device, directly using the impulse force of current, carries out agitation mixing by flowing back, it is ensured that fluidised form, keeps higher and inhales Attached dose of concentration, adsorption effect is good.
2. two return ducts above and below the absorption that the present invention is provided-isolation integral reactor, setting, enhance circulation and stir Power, sets angled nozzle, strengthens impulsive force, maintain fluid stable;The high speed of the nozzle of lower floor's recycling effluent pipe goes out Turbulent flow is formed after stream impact umbrella hood reflection, the further fluidised form for ensureing reaction zone.Umbrella hood has space with main body, is used for Intake and prevent adsorbent powder accumulated plugging water inlet;Take vertical main body, larger ratio of height to diameter, react in higher pond Area's absorbent concentration, and relatively low settling zone absorbent concentration, are provided to carry out separation of solid and liquid using flat-plate ultrafiltration membrane Condition.And the low SS of water outlet can be ensured, the advanced treating of correlation subsequently can be directly carried out.
3rd, the method for a kind of carry out sewage disposal that the present invention is provided, occupation area of equipment is small, adsorb and good separating effect, Sorbing material is saved, cost is reduced, it is simple to operate, it is easy to subsequent treatment.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of absorption-isolation integral reactor in the embodiment of the present invention 1;
Reference:
1- main bodys, 2- water-distributing devices, 3- water inlet pipes, 4- umbrella hoods, 5- nozzles, 6- recycling effluent pipes, 7- reflux pumps, 8- films Component, 9- overfalls, 10- backflow water inlet pipes, 11- outlet pipes, 12- coke outlets.
Embodiment
The application will be further illustrated by instantiation below.
Embodiment 1
The absorption of the present embodiment-isolation integral reactor, as shown in figure 1, including vertical main body 1, main body 1 is from bottom to top It is divided into water distribution area, reaction zone, preliminary sedimentation area and membrane filtration area;The He of water inlet pipe 3 positioned at the lower body part is provided with water distribution area Water-distributing device 2, the water inlet pipe 3 is connected with water-distributing device 2, and umbrella hood 4 is set in the top of water-distributing device 2;The periphery of umbrella hood 4 Space is left between the inwall of main body 1;The umbrella hood be shaped as axial tangential direction be in inverted " V " type, such as umbrella shape.
The backflow water inlet pipe 10 being connected and and recycling effluent pipe 6, backflow water inlet pipe 10 and backflow are provided with reaction zone Reflux pump 7 is set between outlet pipe 6;The exit of recycling effluent pipe 6 sets nozzle 5;
Backflow water inlet pipe 10, recycling effluent pipe 6 and nozzle 5 are symmetrical using the central shaft of main body 1 as symmetry axis respectively.Film Filtering area is provided with membrane module 8 and coupled outlet pipe 11.The ratio of height to diameter of main body 1 is 5, and the top of main body 1 sets overfall 9, bottom sets coke outlet 12.
In another embodiment, recycling effluent pipe 6 is provided with two, axial direction of two recycling effluent pipes 6 along the main body It is set up in parallel up and down.Each exit sets several nozzles 5, and the nozzle 5 of upper strata recycling effluent pipe is inclined upwardly, lower floor The nozzle 5 of recycling effluent pipe is tilted down;Angle of inclination is 30 °.
In another embodiment, the bottom of membrane module 8 is provided with aerator.
In another embodiment, membrane module 8 is flat-plate ultrafiltration membrane component.
The method that water process is carried out using above-mentioned absorption-isolation integral reactor.
Certain industrial wastewater water outlet COD after biochemical treatment is 200~300mg/L, through this absorption-isolation integral reactor Processing, adsorbent amount is 1kg/m3~5kg/m3, reaction time is 4~6h, and water outlet COD is up to 50~80mg/L.
The method that wastewater treatment is carried out using above-mentioned absorption-isolation integral reactor for treatment, including step are as follows:
(1) the solid-liquid mixed liquor of water and adsorbent enters water-distributing device 2 by water inlet pipe 3, and it is 0.2m/s to control water inlet flow velocity, Gap through water-distributing device 2 through main body 1 and the periphery of umbrella hood 4 after water distribution area water distribution uniformity flows up into reaction zone, on Up-flow speed is 0.5m/h;
(2) in reaction zone, part mixed liquor is drawn into backflow water inlet pipe 10 by reflux pump 7, and is passed through by recycling effluent pipe 6 The water outlet of nozzle 5 forms impulse force current, in reaction zone, opens reflux pump 7, and mixed liquor is drawn into backflow water inlet pipe by reflux pump 7 10, and impulse force current are formed through the water outlet of nozzle 5 by recycling effluent pipe 6, capacity of returns is 5 times of the flow of inlet water of water inlet pipe 3;
(3) mixed liquor behind reacted area continuously rises to reach preliminary sedimentation area, after being precipitated through preliminary sedimentation area, is upwardly into membrane filtration Area, carries out separation of solid and liquid by membrane module 8, then passes through the water outlet of outlet pipe 11.Adsorbent is periodically discharged by coke outlet 12.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among changing still in the protection domain of the invention.

Claims (8)

1. a kind of absorption-isolation integral reactor, it is characterised in that including vertical main body (1), the main body (1) is internal certainly It is divided into water distribution area, reaction zone, preliminary sedimentation area and membrane filtration area on down;
The water inlet pipe (3) and water-distributing device (2) positioned at the lower body part, the water inlet pipe (3) are provided with the water distribution area It is connected with water-distributing device (2), umbrella hood (4) is set above water-distributing device (2);The periphery of umbrella hood (4) is interior with main body (1) Space is left between wall;
Be provided with the reaction zone backflow water inlet pipe (10) that is connected with and recycling effluent pipe (6), flow back water inlet pipe (10) Reflux pump (7) is set between recycling effluent pipe (6);Recycling effluent pipe (6) exit sets nozzle (5);
The membrane filtration area is provided with membrane module (8) and coupled outlet pipe (11);
The recycling effluent pipe (6) is provided with two, and two recycling effluent pipes (6) are arranged side by side up and down along the axial direction of the main body Set;Each exit sets several nozzles (5), and the nozzle (5) of upper strata recycling effluent pipe is inclined upwardly, lower floor The nozzle (5) of recycling effluent pipe is tilted down;Angle of inclination is 10 °~30 °.
2. absorption according to claim 1-isolation integral reactor, it is characterised in that the backflow water inlet pipe (10), Recycling effluent pipe (6) and nozzle (5) are symmetrical using the central shaft of main body (1) as symmetry axis respectively.
3. absorption according to claim 1 or 2-isolation integral reactor, it is characterised in that the height of the main body (1) Footpath ratio is 2~5.
4. absorption according to claim 3-isolation integral reactor, it is characterised in that main body (1) top is set Overfall (9), bottom sets coke outlet (12).
5. absorption-isolation integral reactor according to claim 1,2 or 4, it is characterised in that the membrane module (8) Bottom is provided with aerator.
6. absorption according to claim 5-isolation integral reactor, it is characterised in that the membrane module (8) is flat board Formula hyperfiltration membrane assembly.
7. a kind of method that absorption-isolation integral reactor using described in claim any one of 1-6 carries out water process, its It is characterised by, including step is as follows:
(1) the solid-liquid mixed liquor of water and adsorbent enters water-distributing device (2) by water inlet pipe (3), control water inlet flow velocity for 0.2~ 0.5m/s, is flowed up through water-distributing device (2) after water distribution area water distribution uniformity through main body (1) and the gap on umbrella hood (4) periphery Into reaction zone, upflow velocity is 0.5~1m/h;
(2) in reaction zone, reflux pump (7) is opened, mixed liquor is drawn into backflow water inlet pipe (10) by reflux pump (7), and by returning Flow out water pipe (6) and form impulse force current through nozzle (5) water outlet, capacity of returns is 2~8 times of water inlet pipe flow of inlet water;
(3) mixed liquor behind reacted area continuously rises to reach preliminary sedimentation area, after being precipitated through preliminary sedimentation area, is upwardly into membrane filtration area, Separation of solid and liquid is carried out by membrane module (8), then passes through outlet pipe (11) water outlet.
8. the method according to claim 7 for carrying out water process, it is characterised in that adsorbent is periodically arranged by coke outlet (12) Go out.
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CN105858872B (en) * 2016-03-28 2019-08-23 杭州师范大学 A kind of moving-bed biofilm coupling osmosis membrane bioreactor
CN105936547B (en) * 2016-06-23 2019-02-01 肇庆市鹏凯环保装备有限公司 Vertical unpowered interior cycle intelligent membrane bioreactor
WO2018124981A2 (en) * 2016-12-28 2018-07-05 Khanyot Munthana Clear water storage tank with built-in filter
CN112939136A (en) * 2021-02-02 2021-06-11 中国科学院城市环境研究所 Fluidization adsorption device and fluidization adsorption method for sewage treatment

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* Cited by examiner, † Cited by third party
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EP0470931A3 (en) * 1990-08-08 1992-05-13 Ciba-Geigy Ag Soil and waste water treatment
JPH10494A (en) * 1996-06-13 1998-01-06 Yoshikimi Watanabe Water purification treatment
JP4166881B2 (en) * 1998-11-19 2008-10-15 住友重機械エンバイロメント株式会社 Wastewater treatment method and apparatus
CN100360433C (en) * 2005-03-18 2008-01-09 浙江大学 Method and equipment for treating slight polluted water by integrated adsorption and separation
CN101492209A (en) * 2009-02-10 2009-07-29 山东大学 Adsorption-deposition-membrane assembly separation integrated reactor
CN102399027B (en) * 2010-09-17 2013-04-17 江苏金山环保工程集团有限公司 Integrated reclaimed water reusing device
CN102219285B (en) * 2011-05-17 2013-01-02 南京大学 Continuous-flow inner-circulation resin exchanging and absorbing reactor imitating fluidized bed
CN104386775B (en) * 2014-10-27 2016-04-13 安徽农业大学 Adsorptive reactor, the water treatment device of internal recycle associating membrane sepn

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