CN103755071B - For the emergent dephosphorization adsorption unit of micro-eutrophication city landscape water body - Google Patents
For the emergent dephosphorization adsorption unit of micro-eutrophication city landscape water body Download PDFInfo
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- CN103755071B CN103755071B CN201410012917.3A CN201410012917A CN103755071B CN 103755071 B CN103755071 B CN 103755071B CN 201410012917 A CN201410012917 A CN 201410012917A CN 103755071 B CN103755071 B CN 103755071B
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Abstract
The invention discloses the emergent dephosphorization adsorption unit for micro-eutrophication city landscape water body, comprise tank body, collecting chamber, neutralization reaction room, adsorption chamber; Neutralization reaction room is arranged in the middle of tank body; Collecting chamber is located at the centre of neutralization reaction room, and adsorption chamber is arranged between neutralization reaction room and tank wall; Neutralization reaction room is provided with weak acid liquid distributor and agitator, and weak acid liquid distributor is connected with the weakly acid soln feed-pipe at tank body top; The sidewall of neutralization reaction room is provided with the overflow port led to above adsorption chamber; Collecting chamber is provided with flocculant addition pipe, lays filter cloth bottom collecting chamber, and collecting chamber is communicated with neutralization reaction room by the hole that base plate is evenly laid; Collecting chamber is provided with the water outlet led to outside tank body; Be provided with water distributor below adsorption chamber, water distributor is connected with the water inlet pipe of tank base; Neutralization reaction room and tank base are respectively equipped with the blow-down pipe be connected to outside tank body; The tank wall of adsorption chamber is provided with discharge opening; Tank wall above adsorption chamber is provided with Qing Nikou.
Description
Technical field
The present invention relates to a kind of emergent dephosphorization adsorption unit for micro-eutrophication city landscape water body.
Background technology
City appearance water body and human settlement contact closely, have important aesthetic values, ecological functions and economic implications.But city appearance water body mostly is and is bordering on closed static or slow flow water bodies, there is the features such as water surface area is little, vulnerable to pollution, self-purification capacity difference, add that mankind's activity produces Pollutant effects, water pollutant is constantly increased, and especially along with the continuous accumulation of nitrogen and phosphorus pollution thing, in water, algae and mushroom grow in a large number, cause body eutrophication, the eubiosis of welding, goes back frowziness and distributes time serious, had a strong impact on landscape function and the surrounding environment of urban water-body.
Pollution abatement one of focus becoming Recent study of city appearance water body, especially studies the control of main inducible factor phosphorus.The pollution of city appearance water body mostly generally is micro-pollution, and the emergence period is short, therefore needs to suit measures to local conditions to take some effective measures to repair.Current city landscape water body recovery technique mainly comprises peripheral doses, chemical redemption and biological restoration.Physical restoration mainly takes Sediment Dredging and mechanical aeration, and Sediment Dredging can cause the release again of nutritive salt, easily causes secondary pollution, and the water-bed ecosystem also can by destruction to a certain extent, and mechanical aeration investment cost is high.Chemical redemption mainly adds chemical agent to polluted-water, although instant effect, can cause biomagnification and biomagnification, can not life-time service.Although bioremediation technology has, expense is few, side effect is little and benefit advantages of higher, and its repairing efficiency is long, is difficult to take effect at short notice, is not suitable as the emergency trouble shooting measures of some landscape water bodies.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of processing efficiency is high, instant effect and the emergent dephosphorization adsorption unit for micro-eutrophication city landscape water body easy to use.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: for the emergent dephosphorization adsorption unit of micro-eutrophication city landscape water body, comprises tank body, collecting chamber, neutralization reaction room, deposits the adsorption chamber of dephosphorization adsorbent;
Neutralization reaction room is arranged in the middle of tank body; Collecting chamber is located at the centre of neutralization reaction room, and adsorption chamber is arranged between neutralization reaction room and tank wall;
Neutralization reaction room is provided with weak acid liquid distributor and agitator, and weak acid liquid distributor is connected with the weakly acid soln feed-pipe at tank body top; The sidewall of neutralization reaction room is provided with the overflow port led to above adsorption chamber;
Collecting chamber is provided with flocculant addition pipe, lays filter cloth bottom collecting chamber, and collecting chamber is communicated with neutralization reaction room by the hole that base plate is evenly laid; Collecting chamber is provided with the water outlet led to outside tank body;
Be provided with water distributor below adsorption chamber, water distributor is connected with the water inlet pipe of tank base;
Neutralization reaction room and tank base are respectively equipped with the blow-down pipe be connected to outside tank body;
The tank wall of adsorption chamber is provided with discharge opening;
Tank wall above adsorption chamber is provided with Qing Nikou;
Flow regulating barrels is provided with between adsorption chamber and water distributor.
As preferably, flocculant addition pipe is connected with weakly acid soln feed-pipe by stopping valve.
Being preferably of another, multiple clear mud opening's edge tank body circumference is arranged.
The invention has the beneficial effects as follows:
Compact construction, floor space is little, and processing efficiency is high, and cost is low, simple to operate, easy to use; By two-stage water distribution, not only there is action of turbulent flow, and water inlet fully contacts with sorbent material, adsorbs more thorough; Both can as the emergent dephosphorization of the micro-eutrophic landscape water body in city, again can as the flocculation of commonly industrial wastewater process, filter integrated adsorption unit to use.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is that the present invention meets an urgent need the front view of dephosphorization adsorption unit embodiment;
Fig. 2 is that the present invention meets an urgent need the vertical view of dephosphorization adsorption unit embodiment;
Fig. 3 is that the present invention meets an urgent need the water distributor schematic diagram of dephosphorization adsorption unit embodiment.
In figure: 1 and 2 be stopping valve, 3 be stirrer, 4 be weak acid or flocculation agent feed-pipe, 5 be overflow port, 6 be weak acid liquid distributor, 7 be clear mud mouth, 8 be discharge opening, 9 be flow regulating barrels, 10 be water distributor, 11 be water inlet pipe, 12 be water outlet, 13 be neutralization reaction room, 14 be collecting chamber, 15 be adsorption chamber, 16 and 17 be blow-down pipe.
Embodiment
Fig. 1 is a kind of emergent dephosphorization adsorption tanks for micro-eutrophication city landscape water body, comprises tank body, neutralization reaction room 13, collecting chamber 14 and deposits the adsorption chamber 15 of dephosphorization adsorbent.These adsorption tanks are the packaged units made of stainless steel, height × diameter=1.5m × 0.9m.
Neutralization reaction room 13 is arranged on the centre of adsorption tanks tank body, and collecting chamber 14 is located at the centre of neutralization reaction room, and the adsorption chamber 15 depositing dephosphorization adsorbent is arranged between neutralization reaction room and tank wall.
Neutralization reaction room is provided with weak acid liquid distributor 6 and agitator 3, and weak acid liquid distributor is connected by the weak acid at stopping valve 1 and tank body top or flocculation agent feed-pipe 4; The sidewall of neutralization reaction room is provided with the overflow port 5 led to above adsorption chamber.
Collecting chamber is provided with flocculant addition pipe, and flocculant addition pipe is connected with weak acid or flocculation agent feed-pipe 4 by stopping valve 2.Lay hole at the bottom even of collecting chamber and lay filter cloth, collecting chamber is communicated with neutralization reaction room by the hole that base plate is evenly laid.
Be provided with flow regulating barrels 9 between adsorption chamber and water distributor, the below of flow regulating barrels is provided with water distributor 10, and water distributor 10 is connected with the water inlet pipe 11 of tank base.
Water distributor 10 is arachnoid (Fig. 3).
Collecting chamber is provided with the water outlet 12 led to outside tank body, is provided with flocculation agent opening for feed above collecting chamber.
Neutralization reaction room and tank base are respectively equipped with the blow-down pipe 16 and 17 be connected to outside tank body.
The tank wall of adsorption chamber 15 is provided with discharge opening 8.
Tank wall above adsorption chamber is provided with the clear mud opening's edge tank body circumference of 7,4, mud mouth clearly and arranges (Fig. 2).
During work, dephosphorization adsorbent is loaded the adsorption chamber 15 of adsorption tanks, packed height is 0.5m, utilizes constant flow peristaltic pump from water inlet pipe bottom adsorption tanks by water sample suction adsorption tanks, after the two-stage water distribution uniformity of water distributor and flow regulating barrels, enter adsorption chamber 15.
Water sample enters neutralization reaction room 13 through upper strata overflow port 5 after the abundant adsorption and dephosphorization of sorbent material, due to the aobvious alkalescence of water quality pH after adsorbent for phosphate removal, therefore need to add acetic acid from weak acid opening for feed 4 or carbonic acid neutralizes the water sample after dephosphorization, stirrer is utilized to carry out stirring and evenly mixing to mixed solution, water sample after neutralizing treatment enters collecting chamber 14, discharges eventually through water outlet 12.
Test and result:
Duration of test temperature: 34 ~ 36 DEG C.
After measured, the water sample total phosphorus mean concns of test is 0.45mg/L, and turbidity mean value is 25.1.By total phosphorus standard limited value, V class water body total phosphorus concentration≤0.4mg/L.
Table 1 total phosphorus removal effect
| Before process | After process | Clearance (%) | |
| Total phosphorus (mg/L) | 0.45 | 0.051 | 88.7 |
| Turbidity | 25.1 | 0.65 | 97.4 |
As can be seen from table 1 data, before process, the water sample water quality total phosphorus concentration index of test is V class water body by standard limited value, after this dephosphorization system process, total phosphorus in water concentration drops to 0.051mg/L, clearance reaches 88.7%, meet the scope of surface water II class water body total phosphorus concentration standard limited value, and turbidity also drops to 0.65 from 25.1, clearance is up to 97.4%.
As can be seen here, the present embodiment can have good removal effect to total phosphorus and turbidity in the micro-eutrophic landscape water body in city, the visibility meter of landscape water body is greatly enhanced, substantially improves water body environment and the landscape effect of landscape water body.
The present embodiment, by two-stage water distribution, not only has action of turbulent flow, and water inlet fully contacts with sorbent material, adsorbs more thorough; Dephosphorization adsorbent raw material sources are extensive, cheap, dephosphorizing rate is high, non-secondary pollution; Adsorption unit is provided with discharge opening and Qing Nikou, and discharging and clear mud are conveniently.
The present embodiment also can be used as commonly industrial wastewater process flocculation, filter integrated adsorption unit, the reasonably optimizing of its space layout can make it substitute traditional flocculation basin, filtering basin, has the features such as floor space is little, processing efficiency is high, simple to operate, easy to use.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (3)
1. for the emergent dephosphorization adsorption unit of micro-eutrophication city landscape water body, it is characterized in that: comprise tank body, collecting chamber, neutralization reaction room, deposit the adsorption chamber of dephosphorization adsorbent;
Described neutralization reaction room is arranged in the middle of tank body; Described collecting chamber is located at the centre of neutralization reaction room, and described adsorption chamber is arranged between neutralization reaction room and tank wall;
Described neutralization reaction room is provided with weak acid liquid distributor and agitator, and described weak acid liquid distributor is connected with the weakly acid soln feed-pipe at tank body top; The sidewall of described neutralization reaction room is provided with the overflow port led to above adsorption chamber;
Described collecting chamber is provided with flocculant addition pipe, lays filter cloth bottom collecting chamber, and collecting chamber is communicated with neutralization reaction room by the hole that base plate is evenly laid; Collecting chamber is provided with the water outlet led to outside tank body;
Be provided with water distributor below described adsorption chamber, described water distributor is connected with the water inlet pipe of tank base;
Described neutralization reaction room and tank base are respectively equipped with the blow-down pipe be connected to outside tank body;
The tank wall of described adsorption chamber is provided with discharge opening;
Tank wall above described adsorption chamber is provided with Qing Nikou;
Flow regulating barrels is provided with between described adsorption chamber and water distributor.
2. emergent dephosphorization adsorption unit according to claim 1, is characterized in that: described flocculant addition pipe is connected with weakly acid soln feed-pipe by stopping valve.
3. emergent dephosphorization adsorption unit according to claim 1, is characterized in that: multiple described clear mud opening's edge tank bodies circumference is arranged.
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| CN107973456A (en) * | 2017-11-27 | 2018-05-01 | 江苏中超环保股份有限公司 | A kind of small-sized domestic sewage treater and its processing method |
| CN110790339A (en) * | 2019-11-13 | 2020-02-14 | 东南大学 | Concentric circle guide wall adsorption reactor for removing phosphorus from sewage and wastewater |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003062591A (en) * | 2001-08-27 | 2003-03-04 | Ebara Corp | Method for purifying organic waste water |
| CN201506739U (en) * | 2009-09-25 | 2010-06-16 | 南京师范大学 | Packed bed MAP nitrogen phosphor reclaiming reactor |
| CN202080940U (en) * | 2011-05-11 | 2011-12-21 | 浙江大学 | Enhanced dephosphorization reactor |
| CN102417250A (en) * | 2011-10-10 | 2012-04-18 | 北京建筑工程学院 | Dynamic membrane purification reactor and method for removing phosphorus from regenerated water |
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| CN204058108U (en) * | 2014-01-10 | 2014-12-31 | 安徽锋亚环境技术有限公司 | For the emergent dephosphorization adsorption unit of micro-eutrophication city landscape water body |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003062591A (en) * | 2001-08-27 | 2003-03-04 | Ebara Corp | Method for purifying organic waste water |
| CN201506739U (en) * | 2009-09-25 | 2010-06-16 | 南京师范大学 | Packed bed MAP nitrogen phosphor reclaiming reactor |
| CN202080940U (en) * | 2011-05-11 | 2011-12-21 | 浙江大学 | Enhanced dephosphorization reactor |
| CN102417250A (en) * | 2011-10-10 | 2012-04-18 | 北京建筑工程学院 | Dynamic membrane purification reactor and method for removing phosphorus from regenerated water |
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