CN104891701A - Wastewater purification apparatus and wastewater treatment process - Google Patents
Wastewater purification apparatus and wastewater treatment process Download PDFInfo
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- CN104891701A CN104891701A CN201410078692.1A CN201410078692A CN104891701A CN 104891701 A CN104891701 A CN 104891701A CN 201410078692 A CN201410078692 A CN 201410078692A CN 104891701 A CN104891701 A CN 104891701A
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Abstract
The present invention belongs to the technical field of industrial wastewater purification, and particularly relates to a wastewater purification apparatus and a wastewater treatment process. The wastewater purification apparatus is characterized by comprising a wastewater box, an oil-water separation device, a flocculation tower, a press filter, an aeration tower, a catalytic oxidation tower, an ultra-filtration tank, and a purified water tower, wherein the wastewater box is connected with the oil-water separation device through a pipeline, the bottom portion of the wastewater box is connected with the outlet of the press filter through a pipeline, the flocculation tower and the press filter are connected through a circulating pipeline, the outlet of the flocculation tower and the inlet of the aeration tower are connected through a pipeline, the bottom end of the flocculation tower is respectively connected with the bottom end of the aeration tower and the bottom end of the catalytic oxidation tower, the outlet of the aeration tower and the inlet of the catalytic oxidation tower are connected, the outlet of the catalytic oxidation tower and the inlet of the ultra-filtration tank are connected, and the ultra-filtration tank and the purified water tower are connected. The wastewater purification apparatus and the wastewater treatment process of the present invention have the following beneficial effects that: the super oxidation method is used, the industrial wastewater can be treated to achieve the colorless and clarified state so as to achieve the industrial water and reuse, and the State Environmental Protection Agency standards are met.
Description
Technical field
The invention belongs to industrial waste water purifying technical field, particularly relate to a kind of waste water purification device and treatment process thereof.
Background technology
Rubber is a kind of product widely applied in now life, but in process of production, the COD in rubber regeneration waste water and ammonia nitrogen concentration high, biodegradability is poor, makes the technique that the aftertreatment of waste water becomes very important together.Current Conventional waste water treatment facility adopts traditional chemical oxidization method, and it carries out without selective oxidation the organism of wide range, and organic pollutant will be made under the condition of necessity to be mineralized into carbonic acid gas and water, inorganics can also be made to be oxidized or conversion.But due to rubber regeneration waste water COD and ammonia nitrogen concentration high, biodegradability is poor, and it is up to standard that smell and colourity are difficult to process, and its shortcoming is that facility investment is high, running cost is high.Particularly the waste water COD of reclaimed rubber and ammonia nitrogen have the advantages that concentration is high, biodegradability is poor, and make its purifying treatment be a difficult problem of world's field of Environment Protection, purification of waste water process can not meet State Bureau of Environmental Protection's standard always.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the object of this invention is to provide a kind of waste water purification device and treatment process thereof, adopt super oxidation style, trade effluent can be accomplished that colourless change arrives clearly process water can reuse, and meets the standard of State Bureau of Environmental Protection.
To achieve these goals, the present invention adopts following technical scheme:
A kind of waste water purification device, it is characterized in that comprising waste water tank, oily-water seperating equipment, flocculation tower, pressure filter, aeration tower, catalyzed oxidation tower, ultrafiltration tank, water purification tower, described waste water tank is connected with described oily-water seperating equipment by pipeline, the bottom of described waste water tank is connected by the outlet of pipeline with described pressure filter, be connected by circulation line between described flocculation tower with described pressure filter, the outlet of described flocculation tower is connected by pipeline with the entrance of described aeration tower, the bottom of described flocculation tower respectively with the bottom of described aeration tower, the bottom of described catalyzed oxidation tower connects, the outlet of described aeration tower is connected with the entrance of described catalyzed oxidation tower, the outlet of described catalyzed oxidation tower is connected with the entrance of described ultrafiltration tank, described ultrafiltration tank is connected with described water purification tower.
Described catalyzed oxidation tower can be replaced by the biochemical treatment equipment be positioned at after water purification tower, and described biochemical treatment apparatus is connected by pipeline with described water purification tower.
Also comprise grug feeding jar, the top of described catalyzed oxidation tower is connected with described grug feeding jar.
Also comprise flocculation agent tank, the top of described flocculation tower is connected with described flocculation agent tank.
Described waste water tank is provided with waterwater entrance.
The outlet conduit of described water purification tower is provided with water pump.
A kind of waste water treatment process, is characterized in that comprising the steps:
1) waste water enters oily-water seperating equipment by waste water tank, and the oil in water is utilized gravity separation, obtains former water;
2) former water enters flocculation tower, adds flocculation agent by suspended substance precipitation in water, then apply pressure filter and remove suspended substance precipitation in flocculation tower;
3) former water circulates between flocculation tower and pressure filter, finally flocculate precipitate is removed, and then former water enters subsequent catalyst oxidizing process, and the filter cake obtained can carry out second stage employ after the process of heap fortune;
4) former water first in aeration tower through Air Exposure, then enter catalyzed oxidation tower and carry out catalytic oxidation treatment, the organism exhaustive oxidation be oxidized in oxidising process, will be difficult to;
5) waste water after exhaustive oxidation finally enters ultrafiltration tank, nanofiltration is carried out in ultrafiltration tank, utilize single phase separation principle, synthesization compound in water is filtered further, water after filtration can reach limpid colourless standard reliably, then enter water purification tower, when needs, the water pump in water purification tower is returned in the cyclic water tank of exhaust gas processor and recycle.
The invention has the beneficial effects as follows: (1) is energy-conservation.The use of efficiently catalyzing and oxidizing tower improves oxidation efficiency, and efficiently catalyzing and oxidizing agent dosage and COD ratio bring up to 0.5:1 from 10:1, drastically increase catalytic efficiency.(2) facility investment is few.Equipment carries out all at normal temperatures and pressures, and reaction conditions is gentle, and easy handling, floor space is little, and facility investment is few.(3) working cost is low.Oxygenant buying preparation is easy, compared with the expense of other treatment process, cheaper.(4) again utilize.The mud that equipment produces can cook the strengthening agent of reclaimed rubber, can again utilize.(5) long service life, stability is high.Present invention process method is reliable, and long service life, turnover rate is low, has high stability, and installs simple to operate, economical operation.This device and the maximum advantage of technique thereof to be additional to any conventional processes, therefore to the unique advantage that the transformation of the former treatment process of high-concentration waste water has other techniques incomparable.In addition, device of the present invention and technique are mainly used in the purifying treatment of rubber regeneration waste water, also can be used for other Industry Waste water purification.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is process flow sheet of the present invention.
In figure, 1, waste water tank, 2, oily-water seperating equipment, 3, flocculation tower, 4, pressure filter, 5, aeration tower, 6, catalyzed oxidation tower, 7, ultrafiltration tank, 8, water purification tower, 9, grug feeding jar, 10, flocculation agent tank, 11, waterwater entrance.
Embodiment
Explanation is further explained to of the present invention below in conjunction with accompanying drawing.
Embodiment: as shown in Figure 1, the invention provides a kind of waste water purification device, it is characterized in that comprising waste water tank 1, oily-water seperating equipment 2, flocculation tower 3, pressure filter 4, aeration tower 5, catalyzed oxidation tower 6, ultrafiltration tank 7, water purification tower 8, grug feeding jar 9, flocculation agent tank 10, described waste water tank 1 is connected with described oily-water seperating equipment 2 by pipeline, the bottom of described waste water tank 1 is connected by the outlet of pipeline with described pressure filter 4, be connected by circulation line between described flocculation tower 3 with described pressure filter 4, the outlet of described flocculation tower 3 is connected by pipeline with the entrance of described aeration tower 5, the bottom of described flocculation tower 3 respectively with the bottom of described aeration tower 5, the bottom of described catalyzed oxidation tower 6 connects, the outlet of described aeration tower 5 is connected with the entrance of described catalyzed oxidation tower 6, the outlet of described catalyzed oxidation tower 6 is connected with the entrance of described ultrafiltration tank 7, the top of described catalyzed oxidation tower 6 is connected with described grug feeding jar 9, grug feeding jar 9 for adding medicine in catalyzed oxidation tower 6.Described ultrafiltration tank 7 is connected with described water purification tower 8, and the top of described flocculation tower 3 is connected with described flocculation agent tank 10, is convenient to add flocculation agent in described flocculation tower 3.Described waste water tank 1 is provided with waterwater entrance 11.The outlet conduit of described water purification tower 8 is provided with water pump, need in blowback exhaust gas processor cyclic water tank in recycle.
In addition, described catalyzed oxidation tower 6 can be replaced by the biochemical treatment equipment be positioned at after water purification tower 8, then increases physical adsorption, also can reach same decontamination effect improving, but biochemical treatment problem is wayward, and physical adsorption increases working cost.
As shown in Figure 2, the technique utilizing said apparatus to carry out wastewater treatment comprises the steps:
1) waste water enters oily-water seperating equipment 2 by waste water tank 1, and the oil in water is utilized gravity separation, obtains former water;
2) former water enters flocculation tower 3, add in flocculation tower 3 flocculation agent by water in suspended substance precipitation, then apply pressure filter 4 remove suspended substance precipitation;
3) former water circulates between flocculation tower 3 and pressure filter 4, finally flocculate precipitate is removed, and then former water enters subsequent catalyst oxidizing process, and the filter cake obtained can carry out second stage employ after the process of heap fortune;
4) former water first aeration tower 5 in through Air Exposure, then enter catalyzed oxidation tower 6 and carry out catalytic oxidation treatment, the organism exhaustive oxidation of oxidation in oxidising process, will be difficult to;
5) waste water after exhaustive oxidation finally enters ultrafiltration tank 7, nanofiltration is carried out in ultrafiltration tank 7, utilize single phase separation principle, synthesization compound in water is filtered further, water after filtration can reach limpid colourless standard reliably, then enter water purification tower 8, when needs, the water pump in water purification tower 8 is returned in the cyclic water tank of exhaust gas processor and recycle.
Core of the present invention is catalyzed oxidation tower 6 and surface catalyst is the precious metal chemical complex of load.Waste water is after removing solid sundries, enter catalyzed oxidation tower 6, organism in the reaction in waste water and oxidizer molecule be oxidized dose of Organic Pollutants in Wastewater decomposition after several steps such as absorption, catalytic oxidation, product desorption on catalyst surface, phenyl ring, heterocyclic organism are by open loop, chain rupture, macromole becomes small molecules, small molecules is oxidized to carbonic acid gas and water more further, can remove COD preferably.In the process of degraded COD, interrupt the double bond chromophoric group in organic molecule, as azo-group, nitro, sulfuration hydroxyl, carbon imino-etc., reach the object of decolouring, effectively improve BOD5/COD value simultaneously, make it removal of easily degrading.
Above example of the present invention has been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (7)
1. a waste water purification device, it is characterized in that comprising waste water tank, oily-water seperating equipment, flocculation tower, pressure filter, aeration tower, catalyzed oxidation tower, ultrafiltration tank, water purification tower, described waste water tank is connected with described oily-water seperating equipment by pipeline, the bottom of described waste water tank is connected by the outlet of pipeline with described pressure filter, be connected by circulation line between described flocculation tower with described pressure filter, the outlet of described flocculation tower is connected by pipeline with the entrance of described aeration tower, the bottom of described flocculation tower respectively with the bottom of described aeration tower, the bottom of described catalyzed oxidation tower connects, the outlet of described aeration tower is connected with the entrance of described catalyzed oxidation tower, the outlet of described catalyzed oxidation tower is connected with the entrance of described ultrafiltration tank, described ultrafiltration tank is connected with described water purification tower.
2. a kind of waste water purification device according to claim 1, it is characterized in that described catalyzed oxidation tower can be replaced by the biochemical treatment equipment be positioned at after water purification tower, described biochemical treatment apparatus is connected by pipeline with described water purification tower.
3. a kind of waste water purification device according to claim 1, characterized by further comprising grug feeding jar, and the top of described catalyzed oxidation tower is connected with described grug feeding jar.
4. a kind of waste water purification device according to claim 1, characterized by further comprising flocculation agent tank, and the top of described flocculation tower is connected with described flocculation agent tank.
5. a kind of waste water purification device according to claim 1, is characterized in that described waste water tank is provided with waterwater entrance.
6. a kind of waste water purification device according to claim 1, is characterized in that the outlet conduit of described water purification tower is provided with water pump.
7. a waste water treatment process, is characterized in that comprising the steps:
1) waste water enters oily-water seperating equipment by waste water tank, and the oil in water is utilized gravity separation, obtains former water;
2) former water enters flocculation tower, adds flocculation agent by suspended substance precipitation in water, then apply pressure filter and remove suspended substance precipitation in flocculation tower;
3) former water circulates between flocculation tower and pressure filter, finally flocculate precipitate is removed, and then former water enters subsequent catalyst oxidizing process, and the filter cake obtained can carry out second stage employ after the process of heap fortune;
4) former water first in aeration tower through Air Exposure, then enter catalyzed oxidation tower and carry out catalytic oxidation treatment, the organism exhaustive oxidation be oxidized in oxidising process, will be difficult to;
5) waste water after exhaustive oxidation finally enters ultrafiltration tank, nanofiltration is carried out in ultrafiltration tank, utilize single phase separation principle, synthesization compound in water is filtered further, water after filtration can reach limpid colourless standard reliably, then enter water purification tower, when needs, the water pump in water purification tower is returned in the cyclic water tank of exhaust gas processor and recycle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410078692.1A CN104891701A (en) | 2014-03-05 | 2014-03-05 | Wastewater purification apparatus and wastewater treatment process |
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| CN201410078692.1A CN104891701A (en) | 2014-03-05 | 2014-03-05 | Wastewater purification apparatus and wastewater treatment process |
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| CN104891701A true CN104891701A (en) | 2015-09-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108975559A (en) * | 2018-08-22 | 2018-12-11 | 北京天中方环保科技有限公司 | A kind of reclaimed rubber high concentration wastewater treatment all-in-one machine |
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| WO2006045857A1 (en) * | 2004-10-21 | 2006-05-04 | Ecotwist, S.L. | Process and reagent for the treatment of industrial wastewater |
| CN101224937A (en) * | 2008-02-01 | 2008-07-23 | 浙江嘉澳化工有限公司 | Reuse treating method for chemical industrial plasticizer waste water |
| CN101723526A (en) * | 2008-10-24 | 2010-06-09 | 中国石油化工股份有限公司 | Film treatment method for wastewater produced by synthetic rubber |
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| CN102633390A (en) * | 2012-04-11 | 2012-08-15 | 哈尔滨工程大学 | Device and method for integrally treating oily sewage at bilge of ship |
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| CN108975559A (en) * | 2018-08-22 | 2018-12-11 | 北京天中方环保科技有限公司 | A kind of reclaimed rubber high concentration wastewater treatment all-in-one machine |
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