CN105330058A - Adsorption-separation integrated reactor and treatment method thereof - Google Patents
Adsorption-separation integrated reactor and treatment method thereof Download PDFInfo
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- CN105330058A CN105330058A CN201510726187.8A CN201510726187A CN105330058A CN 105330058 A CN105330058 A CN 105330058A CN 201510726187 A CN201510726187 A CN 201510726187A CN 105330058 A CN105330058 A CN 105330058A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses an adsorption-separation integrated reactor and a treatment method thereof. The reactor comprises a vertical type main body, and a water distribution area, a reaction area, a pre-sedimentation area and a membrane filtration area are distributed inside the main body from bottom to top; a water inlet pipe and a water distribution device which are located on the lower portion of the main body are arranged in the water distribution area, the water inlet pipe is connected with the water distribution device, and an umbrella-shaped cover is arranged on the water distribution device; a gap is reserved between the periphery of the umbrella-shaped cover and the inner wall of the main body; backflow water inlet pipes and backflow water outlet pipes are arranged in the reaction area, wherein each backflow water inlet pipe and the corresponding backflow water outlet pipe are communicated with each other, and a backflow pump is arranged between each backflow water inlet pipe and the corresponding backflow water outlet pipe; a jet nozzle is arranged at an outlet of each backflow water outlet pipe. The vertical type main body of the reactor integrates reaction and sedimentation, the occupation area is decreased, and the reactor is small, exquisite and flexible; no stirring device is arranged, stirring and mixing are conducted by directly utilizing the impulsive force of water flow and high-percentage backflow, and the flow state can be guaranteed; the high adsorbent concentration is maintained, and the adsorption effect is good; an ultra-filtration membrane is adopted for conducting solid-liquid separation, and quality of output water is good.
Description
Technical field
The present invention relates to technical field of sewage, be specifically related to a kind of absorption-isolation integral reactor and treatment process thereof.
Background technology
Absorption method is a kind of basic water treatment method, utilizes some active adsorbing material, under certain condition by water pollutant decrement, be then separated.Absorption method through being usually used in removing some physics, biology, chemical process be difficult to the material removed, as hardly degraded organic substance, heavy metal, colourity, some harmful nonmetallic ions etc., so absorption method is drunk water in clean water treatment, advanced treatment of wastewater and Industrial Wastewater Treatment as independent process or with combined being widely used in of other techniques.
Be applied to fluidized-bed reactor in absorption method because water distribution uniformity is less demanding, the effect of mass transmitting between sorbent material and water is good, changes the advantages such as the quantities of sorbent material is less, more and more receives publicity.But common fluidized-bed faces sorbent material and water separation difficulty, it is improper that hydraulic load controls, and causes the problems such as sorbent material loss, so be usually combined with membrane separation technique, separatory membrane is set after absorption, carries out the solid-liquid separation in water, realize the process of absorption-separation.
Chinese patent literature CN101492209A discloses a kind of adsorption-deposition-membrane assembly separation integrated reactor, comprises pond body, is divided successively from front to back the inside of pond body and is divided into adsorption zone, water distributing area, sloping plate deposition district and membrane separation zone.The side lower of adsorption zone is provided with water inlet pipe and chemical feed pipe, is provided with automation whipping appts in adsorption zone.Partition wall top between water distributing area and adsorption zone is provided with overflow port, is provided with distributing hole bottom the partition wall between water distributing area and sloping plate deposition district.Being provided with in sloping plate deposition district with horizontal direction is 60 ° of some swash plates placed, and is provided with perforated sludge discharge pipe in the mud district, bottom in sloping plate deposition district, and the water after precipitation flows in membrane separation zone from the overflow port of the division wall of sloping plate deposition district and membrane separation zone.Be provided with membrane module in membrane separation zone, the bottom of membrane module sets out water pipe and backwash tube, and rising pipe and backwash tube are equipped with valve.
Above-mentioned reactor by absorption, be separated in a reactor and complete, utilize sloping plate deposition, membrane separation process be used in conjunction, good effect of separating solid from liquid.But above-mentioned reactor still remains gallery type adsorption tank, although be easy to mix completely, but the absorbent concentration maintained in pond is lower, its corresponding structures floor space is still larger, for ensureing fluidised form, promoting adsorption effect, have employed auxiliary powerplants such as installing stirring additional, simultaneously because solid-liquid separation difficulty have employed sloping plate deposition, membrane sepn combined process after absorption, thus add appliance arrangement, improve facility investment and running cost.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to overcome that fractionation by adsorption of the prior art a set of reactor floor space is large, equipment is complicated, complex operation, high in cost of production defect, thus provide a kind of flexibly small-sized, floor space, whipping appts is not set, absorption and good separating effect, equipment and the low absorption-isolation integral reactor of running cost.
Another technical problem that the present invention will solve is to overcome the defect that fractionation by adsorption reactor floor space of the prior art is large, technological operation is more complicated, thus provides a kind of method utilizing above-mentioned absorption-isolation integral reactor to carry out sewage disposal.
In order to achieve the above object, technical scheme of the present invention is as follows:
A kind of absorption-isolation integral reactor, comprise vertical main body, described body interior is divided into water distribution area, reaction zone, preliminary sedimentation district and membrane filtration district from bottom to top;
Be provided with the water inlet pipe being positioned at described lower body part and water-distributing device in described water distribution area, described water inlet pipe is connected with water-distributing device, above water-distributing device, arrange umbrella hood; Space is left between the periphery of umbrella hood and the inwall of main body;
Be provided with in described reaction zone the backflow water inlet pipe that is connected with and recycling effluent pipe, between backflow water inlet pipe and recycling effluent pipe, reflux pump is set; Described recycling effluent pipe exit arranges nozzle;
Described membrane filtration district is provided with membrane module and coupled rising pipe.
In above-mentioned absorption-isolation integral reactor, described backflow water inlet pipe, recycling effluent pipe and nozzle respectively with the central shaft of main body for symmetry axis is symmetrical.
In above-mentioned absorption-isolation integral reactor, described recycling effluent pipe is provided with two, two described recycling effluent pipes being axially set up in parallel down along described main body.
In above-mentioned absorption-isolation integral reactor, each described exit arranges nozzle described in several, the nozzles inclined upwards of upper strata recycling effluent pipe, and the nozzle of lower floor's recycling effluent pipe is downward-sloping; Angle of inclination is 10 ° ~ 30 °.
In above-mentioned absorption-isolation integral reactor, the aspect ratio of described main body is 2 ~ 5.
In above-mentioned absorption-isolation integral reactor, described body top arranges overflow port, and bottom arranges coke outlet.
In above-mentioned absorption-isolation integral reactor, described membrane module bottom is provided with aerating apparatus.
In above-mentioned absorption-isolation integral reactor, described membrane module is flat-plate ultrafiltration membrane assembly.
Utilize above-mentioned absorption-isolation integral reactor to carry out a method for water treatment, comprise step as follows:
(1) the solid-liquid mixed solution of water and sorbent material enters water-distributing device by water inlet pipe, controlling water inlet flow velocity is 0.2 ~ 0.5m/s, after water distribution area water distribution uniformity, upwards flow into reaction zone through water-distributing device through the gap of main body and umbrella hood periphery, upflow velocity is 0.5 ~ 1m/h;
(2) in reaction zone, open reflux pump, mixed solution is aspirated by reflux pump and enters backflow water inlet pipe (10), and forms impulse force current by recycling effluent pipe through nozzle water outlet, and quantity of reflux is 2 ~ 8 times of water inlet pipe flooding velocity;
(3) mixed solution behind reaction zone continues to rise and arrives preliminary sedimentation district, after preliminary sedimentation district precipitation, upwards enters membrane filtration district, carries out solid-liquid separation by membrane module, then by rising pipe water outlet.
Above-mentioned method of carrying out water treatment, sorbent material is regularly discharged by coke outlet.
Technical solution of the present invention, tool has the following advantages:
1. absorption provided by the invention-isolation integral reactor, vertical main body collection reacts and is deposited in one, reduces floor space, flexibly small and exquisite; Yu Jiang district is arranged on adsorption zone, sedimentation is carried out after absorption, reduce the concentration of sorbent material in water, reaction zone and precipitate and separate (membrane filtration district) is made to produce certain concentration gradient, ensure higher adsorption treatment load, reduce the difficulty of the rear solid-liquid separation of absorption simultaneously, decrease the blocking of membrane module and rinse frequency, thus reducing investment and the running cost of equipment and sorbing material; Utilize backflow water inlet pipe, recycling effluent pipe and stream pump form circulation and give impulsive force, do not arrange whipping appts, directly utilize the impulse force of current, carry out stirring mixing by backflow, ensure fluidised form, keep the concentration of higher sorbent material, adsorption effect is good.
2. absorption provided by the invention-isolation integral reactor, arranges upper and lower two return lines, enhances circulation and agitation force, arrange angled nozzle, strengthen impulsive force, maintain fluid stable; The high speed of the nozzle of lower floor's recycling effluent pipe goes out after stream impacts umbrella hood reflection to form turbulent flow, the further fluidised form ensureing reaction zone.Umbrella hood and main body have space, for intaking and preventing sorbent material powder accumulated plugging water-in; Take reaction zone absorbent concentration in vertical main body, larger aspect ratio, higher pond, and lower settling region absorbent concentration, carry out solid-liquid separation for adopting flat-plate ultrafiltration membrane and provide condition.And the low SS of water outlet can be ensured, the follow-up advanced treatment directly can carrying out being correlated with.
3, a kind of method of carrying out sewage disposal provided by the invention, occupation area of equipment is little, absorption and good separating effect, saves sorbing material, reduces cost, simple to operate, is convenient to subsequent disposal.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention 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 some embodiments of the present invention, 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 the structural representation of the absorption-isolation integral reactor in the embodiment of the present invention 1;
Reference numeral:
1-main body, 2-water-distributing device, 3-water inlet pipe, 4-umbrella hood, 5-nozzle, 6-recycling effluent pipe, 7-reflux pump, 8-membrane module, 9-overflow port, 10-refluxes water inlet pipe, 11-rising pipe, 12-coke outlet.
Embodiment
The application will be further illustrated below by specific examples.
Embodiment 1
Absorption-isolation integral the reactor of the present embodiment, as shown in Figure 1, comprise vertical main body 1, main body 1 is divided into water distribution area, reaction zone, preliminary sedimentation district and membrane filtration district from bottom to top; Be provided with the water inlet pipe 3 and water-distributing device 2 that are positioned at described lower body part in water distribution area, described water inlet pipe 3 is connected with water-distributing device 2, arranges umbrella hood 4 above water-distributing device 2; Space is left between the periphery of umbrella hood 4 and the inwall of main body 1; The shape of described umbrella hood is in axial tangential direction in " V " type of falling, as umbrella shape.
Be provided with in reaction zone the backflow water inlet pipe 10 that is connected with and recycling effluent pipe 6, between backflow water inlet pipe 10 and recycling effluent pipe 6, reflux pump 7 is set; Recycling effluent pipe 6 exit arranges nozzle 5;
Backflow water inlet pipe 10, recycling effluent pipe 6 and nozzle 5 respectively with the central shaft of main body 1 for symmetry axis is symmetrical.Membrane filtration district is provided with membrane module 8 and coupled rising pipe 11.The aspect ratio of main body 1 is 5, and main body 1 top arranges overflow port 9, and bottom arranges coke outlet 12.
In another embodiment, recycling effluent pipe 6 is provided with two, two recycling effluent pipes 6 being axially set up in parallel down along described main body.Each exit arranges nozzle 5 described in several, and the nozzle 5 of upper strata recycling effluent pipe is inclined upwardly, and the nozzle 5 of lower floor's recycling effluent pipe is downward-sloping; Angle of inclination is 30 °.
In another embodiment, aerating apparatus is provided with bottom membrane module 8.
In another embodiment, membrane module 8 is flat-plate ultrafiltration membrane assembly.
Above-mentioned absorption-isolation integral reactor is utilized to carry out the method for water treatment.
Certain trade effluent water outlet COD after biochemical treatment is 200 ~ 300mg/L, and through this absorption-isolation integral reactor for treatment, adsorbent amount is 1kg/m
3~ 5kg/m
3, reaction time is 4 ~ 6h, and water outlet COD can reach 50 ~ 80mg/L.
Utilize above-mentioned absorption-isolation integral reactor for treatment to carry out the method for wastewater treatment, comprise step as follows:
(1) the solid-liquid mixed solution of water and sorbent material enters water-distributing device 2 by water inlet pipe 3, controlling water inlet flow velocity is 0.2m/s, after water distribution area water distribution uniformity, upwards flow into reaction zone through water-distributing device 2 through main body 1 and the gap of umbrella hood 4 periphery, upflow velocity is 0.5m/h;
(2) in reaction zone, part mixed solution is aspirated by reflux pump 7 and enters backflow water inlet pipe 10, and form impulse force current by recycling effluent pipe 6 through nozzle 5 water outlet, in reaction zone, open reflux pump 7, mixed solution is aspirated by reflux pump 7 and enters backflow water inlet pipe 10, and forms impulse force current by recycling effluent pipe 6 through nozzle 5 water outlet, and quantity of reflux is 5 times of water inlet pipe 3 flooding velocity;
(3) mixed solution behind reaction zone continues to rise and arrives preliminary sedimentation district, after preliminary sedimentation district precipitation, upwards enters membrane filtration district, carries out solid-liquid separation by membrane module 8, then by rising pipe 11 water outlet.Sorbent material is regularly discharged by coke outlet 12.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. an absorption-isolation integral reactor, is characterized in that, comprises vertical main body (1), and described main body (1) inside is divided into water distribution area, reaction zone, preliminary sedimentation district and membrane filtration district from bottom to top;
The water inlet pipe (3) and water-distributing device (2) that are positioned at described lower body part is provided with in described water distribution area, described water inlet pipe (3) is connected with water-distributing device (2), arranges umbrella hood (4) in water-distributing device (2) top; Space is left between the periphery of umbrella hood (4) and the inwall of main body (1);
Be provided with in described reaction zone the backflow water inlet pipe (10) that is connected with and recycling effluent pipe (6), between backflow water inlet pipe (10) and recycling effluent pipe (6), reflux pump (7) is set; Described recycling effluent pipe (6) exit arranges nozzle (5);
Described membrane filtration district is provided with membrane module (8) and coupled rising pipe (11).
2. absorption according to claim 1-isolation integral reactor, it is characterized in that, described backflow water inlet pipe (10), recycling effluent pipe (6) and nozzle (5) are that symmetry axis is symmetrical with the central shaft of main body (1) respectively.
3. absorption according to claim 1 and 2-isolation integral reactor, is characterized in that, described recycling effluent pipe (6) is provided with two, two described recycling effluent pipes (6) being axially set up in parallel down along described main body.
4. absorption according to claim 3-isolation integral reactor, it is characterized in that, each described exit arranges nozzle described in several (5), the nozzle (5) of upper strata recycling effluent pipe is inclined upwardly, and the nozzle (5) of lower floor's recycling effluent pipe is downward-sloping; Angle of inclination is 10 ° ~ 30 °.
5. the absorption according to any one of claim 1-4-isolation integral reactor, is characterized in that, the aspect ratio of described main body (1) is 2 ~ 5.
6. the absorption according to any one of claim 1-5-isolation integral reactor, is characterized in that, described main body (1) top arranges overflow port (9), and bottom arranges coke outlet (12).
7. the absorption according to any one of claim 1-6-isolation integral reactor, is characterized in that, described membrane module (8) bottom is provided with aerating apparatus.
8. the absorption according to any one of claim 1-7-isolation integral reactor, is characterized in that, described membrane module (8) is flat-plate ultrafiltration membrane assembly.
9. utilize the absorption described in any one of claim 1-8-isolation integral reactor to carry out a method for water treatment, it is characterized in that, comprise step as follows:
(1) the solid-liquid mixed solution of water and sorbent material enters water-distributing device (2) by water inlet pipe (3), controlling water inlet flow velocity is 0.2 ~ 0.5m/s, after water distribution area water distribution uniformity, upwards flow into reaction zone through water-distributing device (2) through main body (1) and the gap of umbrella hood (4) periphery, upflow velocity is 0.5 ~ 1m/h;
(2) in reaction zone, open reflux pump (7), mixed solution is aspirated by reflux pump (7) and enters backflow water inlet pipe (10), and forming impulse force current by recycling effluent pipe (6) through nozzle (5) water outlet, quantity of reflux is 2 ~ 8 times of water inlet pipe flooding velocity;
(3) mixed solution behind reaction zone continues to rise and arrives preliminary sedimentation district, after preliminary sedimentation district precipitation, upwards enters membrane filtration district, carries out solid-liquid separation by membrane module (8), then by rising pipe (11) water outlet.
10. method of carrying out water treatment according to claim 9, is characterized in that, sorbent material is regularly discharged by coke outlet (12).
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| CN201510726187.8A CN105330058B (en) | 2015-10-30 | 2015-10-30 | A kind of adsorbing separation integrated reactor and its processing method |
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| CN201510726187.8A CN105330058B (en) | 2015-10-30 | 2015-10-30 | A kind of adsorbing separation integrated reactor and its processing method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858872A (en) * | 2016-03-28 | 2016-08-17 | 杭州师范大学 | Moving-bed biological membrane coupled osmosis membrane biological reactor |
| CN105936547A (en) * | 2016-06-23 | 2016-09-14 | 肇庆市鹏凯环保装备有限公司 | Vertical, unpowered, internal circulation, and intelligent membrane bioreactor |
| WO2018124981A3 (en) * | 2016-12-28 | 2018-10-25 | 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 |
| TWI797933B (en) * | 2021-12-28 | 2023-04-01 | 梁家源 | Solid-liquid separation structure |
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| CN101492209A (en) * | 2009-02-10 | 2009-07-29 | 山东大学 | Adsorption-deposition-membrane assembly separation integrated reactor |
| CN102219285A (en) * | 2011-05-17 | 2011-10-19 | 南京大学 | Continuous-flow inner-circulation resin exchanging and absorbing reactor imitating fluidized bed |
| CN102399027A (en) * | 2010-09-17 | 2012-04-04 | 江苏金山环保工程集团有限公司 | Integrated reclaimed water reusing device |
| CN104386775A (en) * | 2014-10-27 | 2015-03-04 | 安徽农业大学 | Adsorption reactor with separated internal recycle combined membranes, and water treatment device |
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| US5230803A (en) * | 1990-08-08 | 1993-07-27 | Ciba-Geigy Corporation | Ground- and wastewater purification |
| JPH10494A (en) * | 1996-06-13 | 1998-01-06 | Yoshikimi Watanabe | Water purification treatment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858872A (en) * | 2016-03-28 | 2016-08-17 | 杭州师范大学 | Moving-bed biological membrane coupled osmosis membrane biological reactor |
| CN105936547A (en) * | 2016-06-23 | 2016-09-14 | 肇庆市鹏凯环保装备有限公司 | Vertical, unpowered, internal circulation, and intelligent 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 |
| WO2018124981A3 (en) * | 2016-12-28 | 2018-10-25 | 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 |
| WO2022166195A1 (en) * | 2021-02-02 | 2022-08-11 | 中国科学院城市环境研究所 | Fluidized adsorption device for sewage treatment, and fluidized adsorption method |
| TWI797933B (en) * | 2021-12-28 | 2023-04-01 | 梁家源 | Solid-liquid separation structure |
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| Publication number | Publication date |
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| CN105330058B (en) | 2017-10-20 |
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