CN205045948U - Petrochemical is efficient handling of discharging equipment for sewage - Google Patents
Petrochemical is efficient handling of discharging equipment for sewage Download PDFInfo
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- CN205045948U CN205045948U CN201520624496.XU CN201520624496U CN205045948U CN 205045948 U CN205045948 U CN 205045948U CN 201520624496 U CN201520624496 U CN 201520624496U CN 205045948 U CN205045948 U CN 205045948U
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Abstract
The utility model discloses a petrochemical is efficient handling of discharging equipment for sewage, its catalytic oxidation pool, oxidation stability pond, the biochemical BAF pond in back and clean water basin loop through transmission pipeline and connect, the filter is connected to catalytic oxidation pool through the inlet channel inside, and an ozone generator is connected to catalytic oxidation pool through gas pipeline inside, the clean water basin is provided with inlet opening, apopore and backward flow hole, and the inlet opening of clean water basin passes through transmission pipeline with the biochemical BAF pond in back to be connected, and the apopore of clean water basin is connected to a backwash pump one end, and this backwash pump other end is connected to catalytic oxidation pool, the biochemical BAF pond in back through backflow pipeline inside, catalytic oxidation pool packs with the fixed bed form has ozone catalytic particle, the catch basin is located one side that carried on the back mutually in catalytic oxidation pool and oxidation stability pond, be provided with a baffle in the catalytic oxidation pool vertically to split into left and right chamber with catalytic oxidation pool. The utility model discloses the high -efficient degradation organic pollutant of ability, the operation is stable, the working costs hangs down, easy operation.
Description
Technical field
The utility model relates to a kind of petrochemical effluent with efficiently processing discharge equipment, belongs to petrochemical effluent technical field.
Background technology
Advanced treatment process at present for petrochemical complex height saline sewage mainly contains biological oxidation process and physical chemistry advanced oxidation processes two class, biological oxidation process with MBR technique for representative, its weak point is high saliferous deeply treating wastewater biodegradability extreme difference (BOD < 10), biochemical process limited efficiency, cannot reach the requirement of sewage discharge primary standard; Advanced oxidation processes comprises the direct catalytic oxidation of ozone, Fenton reagent etc., and its weak point is that treatment effect is unstable, working cost is high, produces secondary pollution etc.
Summary of the invention
The utility model object is to provide a kind of petrochemical effluent with efficiently processing discharge equipment, and the efficient process discharge equipment energy efficient degradation organic pollutant of this petrochemical effluent, working cost is low, simple to operate, stable.
For achieving the above object, the technical solution adopted in the utility model is: a kind of petrochemical effluent is with efficiently processing discharge equipment, comprise catalyzed oxidation pond, oxidation-stabilized pond, rear biochemical BAF pond, clean water basin, water collecting basin and strainer, described catalyzed oxidation pond, oxidation-stabilized pond, rear biochemical BAF pond is connected by transfer conduit successively with clean water basin, it is inner that described strainer is connected to catalyzed oxidation pond by inlet channel, it is inner that one ozonizer is connected to catalyzed oxidation pond by gas pipeline, described clean water basin are provided with prosopyle, posticum and return port, the prosopyle of described clean water basin is connected by transfer conduit with rear biochemical BAF pond, the posticum of described clean water basin is connected to a backwashing pump one end, this backwashing pump the other end is connected to catalyzed oxidation pond by reflux line, rear biochemical BAF pond is inner, described catalyzed oxidation pond is filled with ozone catalytic particle with fixed bed form, described water collecting basin is positioned at the opposing side in catalyzed oxidation pond and oxidation-stabilized pond, be provided with a dividing plate vertically in described catalyzed oxidation pond, thus catalyzed oxidation pond is divided into left and right chamber.
The technical scheme improved further in technique scheme is as follows:
As preferably, be provided with a dividing plate vertically in described catalyzed oxidation pond, thus catalyzed oxidation pond is divided into left and right chamber.
As preferably, described ozonizer is connected to the bottom in catalyzed oxidation pond by gas pipeline.
Because technique scheme is used, the utility model compared with prior art has following advantages and effect:
1, the utility model petrochemical effluent is with efficiently processing discharge equipment, its catalytic ozonation technology compares other chemical oxidization methods, speed of reaction is rapid, produce the hydroxyl radical free radical of non-selectivity active in a large number, multiple pollutant in oxidized waste water, improve the biodegradability of waste water, oxidation water outlet enters internal recycle BAF, in the filtration of biological bed, under biofloculation and biological adsorption effect, the materials such as the organism contained in waste water are by further by adsorption and oxidation, the advantage of effectively with low cost in conjunction with biochemical treatment and the advanced oxidation high efficiency of the method, improve the feasibility of the dense water depth process of RO, secondly, improve the tolerance to petrochemical complex height saline sewage, make in the catalytic oxidation treatment process to saline sewage, the hydroxyl radical free radical that catalyst ozone generation is active, keeps good effect to the removal of waste water COD, decolouring, de-stench, degraded toxic pollutant and the biodegradability that improves waste water.
2, the utility model petrochemical effluent is with efficiently processing discharge equipment, its physical capacity of resistance to salt is strong, can be not more than in the waste water of 8000mg/L at TDS and normally use, catalyst activity is high, cost is low, and preparation method is simple, is therefore of great significance for the widespread use tool of catalytic ozonation technology in saline sewage advanced treatment.
Accompanying drawing explanation
Accompanying drawing 1 is the efficient process discharge equipment structural representation of the utility model petrochemical effluent.
In above accompanying drawing: 1, catalyzed oxidation pond; 2, oxidation-stabilized pond; 3, rear biochemical BAF pond; 4, clean water basin; 41, prosopyle; 42, posticum; 5, transfer conduit; 6, lift pump; 7, inlet channel; 8, ozonizer; 9, gas pipeline; 10, reflux line; 11, backwashing pump; 12, ozone catalytic particle; 13, dividing plate; 15, water collecting basin; 16, strainer.
Embodiment
Below in conjunction with embodiment, the utility model is further described:
Embodiment: a kind of petrochemical effluent is with efficiently processing discharge equipment, comprise catalyzed oxidation pond 1, oxidation-stabilized pond 2, rear biochemical BAF pond 3, clean water basin 4, water collecting basin 15 and strainer 16, described catalyzed oxidation pond 1, oxidation-stabilized pond 2, rear biochemical BAF pond 3 is connected by transfer conduit 5 successively with clean water basin 4, it is inner that described strainer 16 is connected to catalyzed oxidation pond 1 by inlet channel 7, it is inner that one ozonizer 8 is connected to catalyzed oxidation pond 1 by gas pipeline 9, described clean water basin 4 are provided with prosopyle 41, posticum 42, the prosopyle 41 of described clean water basin 4 is connected by transfer conduit 5 with rear biochemical BAF pond 3, the posticum 42 of described clean water basin 4 is connected to backwashing pump 11 one end, this backwashing pump 11 the other end is connected to catalyzed oxidation pond 1 by reflux line 10, rear biochemical BAF pond 3 is inner, described catalyzed oxidation pond 1 is filled with ozone catalytic particle 12 with fixed bed form, described water collecting basin 15 is positioned at the side opposing with oxidation-stabilized pond 2, catalyzed oxidation pond 1,
Lift pump 6 and strainer 16 is disposed with between these water collecting basin 15 and filtering basin 16.
Be provided with a dividing plate 13 in above-mentioned catalyzed oxidation pond 1 vertically, thus catalyzed oxidation pond is divided into left and right chamber.
Above-mentioned ozonizer 8 is connected to the bottom in catalyzed oxidation pond by gas pipeline 9.
The present embodiment petrochemical effluent is with efficiently processing discharge equipment, and concrete implementation step is as follows:
(1), high saline sewage after pretreatment promotes through pump and enters strainer;
(2), strainer water outlet gravity flow enters catalytic ozonation pond, simultaneously in catalytic ozonation pond, adds ozone, carries out catalytic ozonation reaction;
(3), ozone catalytic oxidation unit water outlet gravity flow enters oxidation-stabilized pond;
(4), the water outlet of oxidation-stabilized pond gravity flow enter rear biochemical BAF unit, carry out biochemical reaction;
(5), rear biochemical BAF unit water outlet gravity flow enters clean water basin, qualified discharge;
Wherein, step (1) middle filtrator water outlet indicator of suspended solids controls within 20mg/L;
Often liter of sewage ozone dosage 50mg in step (2), the ozonized air concentration that adds is 80 ~ 120mgO3/L gas, the catalytic ozonation apparent residence time (HRT) is 1.5h, and in catalytic ozonation pond, catalyzer exists as a fixed bed.
Not enough for above-mentioned the problems of the prior art, the utility model proposes that treatment effect is good, stable, working cost is low, do not produce the petrochemical complex height saline sewage deep treatment method of secondary pollution.Biochemical BAF technique after adopting catalytic ozonation to combine, bio-oxidation unit have employed internal recycle BAF technology, catalytic ozonation technical matters is simple, easy to operate, can be accomplished the end in view according to influent quality situation by gas meter flexibly changing ozone amount; Internal recycle BAF technology can maintain higher biomass and biological activity and keep biochemical ability in poor nutritional type sewage.In order to ensure the two function efficient combination, in ozone catalytic oxidation unit front end, increase more medium filter, remove suspended substance; And oxidation-stabilized pond is provided with between two processing units, to guarantee thoroughly completing and preventing the microorganism active in the rear biochemical unit of remaining oxidizing agent suppression of advanced oxidation processes, reach the object had complementary functions.Working cost is low, simple to operate, stable, and obtains the object of efficient degradation organic pollutant, can realize the petroleum chemical industry height saline sewage advanced treatment under low cost and qualified discharge.
The utility model adopts ozone catalytic particle, ozone catalytic is produced hydroxyl radical free radical, reduce the activation energy of hydroxyl radical free radical oxidizing reaction simultaneously, make the organism part modification of difficult degradation in high saline sewage, the easy biochemical organism of small molecules is become by macromole biorefractory organic, a part directly mineralising is removed, or direct oxidation is decomposed into H2O and CO2.
First pretreated high saline sewage is entered water collecting basin, promote through pump and enter strainer, strainer water outlet indicator of suspended solids is less than 20mg/L, and object removes the suspended substance in high saline sewage, thus the dirt of the oxidation load and ozone catalyst that reduce catalytic ozonation pond is blocked up; Strainer water outlet gravity flow enters the catalytic ozonation pond being filled with metal ion catalyst, adds 50mgO simultaneously
3the ozonized air of/L water, under the effect of catalyzer, the ozone of high oxidative changes the stronger and non-oxidation optionally hydroxyl radical free radical of oxidisability into, reduce the activation energy of hydroxyl radical free radical oxidizing reaction simultaneously, hydroxyl radical free radical is by remaining hardly degraded organic substance part modification in high saline sewage, become the easy biochemical organism of small molecules by macromole biorefractory organic, a part directly mineralising is decomposed, or direct oxidation is H
2o and CO
2; Ozone oxidation water outlet gravity flow enters oxidation-stabilized pond, through the 1h residence time, makes water conditioning and is naturally cleared up by excessive ozone; The water outlet gravity flow of oxidation-stabilized pond enters rear biochemical BAF unit and carries out biochemical treatment, thus reaches the advanced treatment object of high saline sewage.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model spirit change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (2)
1. a petrochemical effluent is with efficiently processing discharge equipment, it is characterized in that: comprise catalyzed oxidation pond (1), oxidation-stabilized pond (2), rear biochemical BAF pond (3), clean water basin (4), water collecting basin (15) and strainer (16), described catalyzed oxidation pond (1), oxidation-stabilized pond (2), rear biochemical BAF pond (3) and clean water basin (4) are connected by transfer conduit (5) successively, it is inner that described strainer (16) is connected to catalyzed oxidation pond (1) by inlet channel (7), it is inner that one ozonizer (8) is connected to catalyzed oxidation pond (1) by gas pipeline (9), described clean water basin (4) are provided with prosopyle (41), posticum (42), the prosopyle (41) of described clean water basin (4) is connected by transfer conduit (5) with rear biochemical BAF pond (3), the posticum (42) of described clean water basin (4) is connected to a backwashing pump (11) one end, this backwashing pump (11) the other end is connected to catalyzed oxidation pond (1) by reflux line (10), rear biochemical BAF pond (3) is inner, described catalyzed oxidation pond (1) is filled with ozone catalytic particle (12) with fixed bed form, described water collecting basin (15) is positioned at the side opposing with oxidation-stabilized pond (2), catalyzed oxidation pond (1), be provided with a dividing plate (13) vertically in described catalyzed oxidation pond (1), thus catalyzed oxidation pond is divided into left and right chamber.
2. petrochemical effluent according to claim 1 is with efficiently processing discharge equipment, it is characterized in that: described ozonizer (8) is connected to the bottom in catalyzed oxidation pond by gas pipeline (9).
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| CN201520624496.XU CN205045948U (en) | 2015-08-19 | 2015-08-19 | Petrochemical is efficient handling of discharging equipment for sewage |
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| CN201520624496.XU CN205045948U (en) | 2015-08-19 | 2015-08-19 | Petrochemical is efficient handling of discharging equipment for sewage |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430706A (en) * | 2016-09-29 | 2017-02-22 | 黄敬超 | Muddy water separator used for town and country construction and technology thereof |
| CN107344796A (en) * | 2016-05-04 | 2017-11-14 | 苏州科环环保科技有限公司 | Chemical engineering sewage reclamation set |
| CN107673550A (en) * | 2016-08-01 | 2018-02-09 | 苏州科环环保科技有限公司 | Sewage-treatment plant for chemical industrial park |
| CN107758998A (en) * | 2016-08-17 | 2018-03-06 | 苏州科环环保科技有限公司 | Chemical engineering sewage zero discharge treatment device |
| CN107759001A (en) * | 2016-08-17 | 2018-03-06 | 苏州科环环保科技有限公司 | Petrochemical wastewater emission treatment equipment |
-
2015
- 2015-08-19 CN CN201520624496.XU patent/CN205045948U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107344796A (en) * | 2016-05-04 | 2017-11-14 | 苏州科环环保科技有限公司 | Chemical engineering sewage reclamation set |
| CN107673550A (en) * | 2016-08-01 | 2018-02-09 | 苏州科环环保科技有限公司 | Sewage-treatment plant for chemical industrial park |
| CN107758998A (en) * | 2016-08-17 | 2018-03-06 | 苏州科环环保科技有限公司 | Chemical engineering sewage zero discharge treatment device |
| CN107759001A (en) * | 2016-08-17 | 2018-03-06 | 苏州科环环保科技有限公司 | Petrochemical wastewater emission treatment equipment |
| CN106430706A (en) * | 2016-09-29 | 2017-02-22 | 黄敬超 | Muddy water separator used for town and country construction and technology thereof |
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