CN204325038U - A kind of two-stage catalytic oxidized waste water treatment system - Google Patents
A kind of two-stage catalytic oxidized waste water treatment system Download PDFInfo
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- CN204325038U CN204325038U CN201420788880.9U CN201420788880U CN204325038U CN 204325038 U CN204325038 U CN 204325038U CN 201420788880 U CN201420788880 U CN 201420788880U CN 204325038 U CN204325038 U CN 204325038U
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Abstract
The utility model discloses a kind of two-stage catalytic oxidized waste water treatment system, belong to field of waste water treatment, PH equalizing tank is connected by inlet channel, oxidation reactor, neutralization tank, flocculation sedimentation tank, oxidation reactor comprises stair oxidation reactor and secondary oxidation reactor, the water outlet of stair oxidation reactor connects the water-in of secondary oxidation reactor by pipeline, stair oxidation reactor is homogeneous oxidizing reactor, and secondary oxidation reactor is fixed bed form catalyst oxidation reactor; The utility model and conventional homogeneous react and fluidized-bed class Technical comparing, improve reaction efficiency, significantly reduce added amount of chemical, significantly can improve effluent quality, reduce outlet water organic substance concentration, be applicable to Sewage advanced treatment application, there is wide actual application prospect.
Description
Technical field
The utility model discloses a kind of Waste Water Treatment, belongs to field of waste water treatment, specifically a kind of two-stage catalytic oxidized waste water treatment system.
Background technology
The development of the high pollution industries such as chemical industry, printing and dyeing, pharmaceutical industry; stern challenge is brought to environment protection; especially the discharge of bio-refractory waste water; the technological difficulties that wastewater treatment faces at present; traditional secondary waste water treatment system is difficult to reach purification object, causes hard-degraded substance to enter natural water and biosphere, badly influences the living environment of the mankind; tradition advanced oxidation generally adopts single-stage homogeneous phase or out-phase reactor, realizes complete hybrid reaction by aeration or stirring.In homogeneous reaction system, rate of mass transfer is high, and speed of reaction is very fast, but molysite consumption is larger, side reaction is more wayward, and it is also large that medicine consumes large sludge output, in engineering, therefore adopt out-phase reactor more, in out-phase reaction system, adopt fluidized-bed, its molysite dosage is low, but it is high to there is fluidisation power consumption more, the problems such as water inlet pollutent easily penetrates bed, and when causing water outlet Pollutant levels are not up to standard.For the problems referred to above, the utility model provides a kind of two-stage catalytic oxidized waste water treatment system, for used water difficult to degradate, traditional high-level oxidation technology basis is improved, be provided with dual-stage oxidation reactor, and improve oxidation reactor emphatically, have employed the mode that one-level homogeneous oxidizing reactors in series secondary fixed-bed oxidation reactor combines, setting area layering on a fixed bed, effective mineralising is organic while, significantly lower molysite dosage, reduce iron mud output, the effect arranging transition metal in filler improves catalytic effect further, make up the deficiency of first order reaction molysite, the utility model is by conventional homogeneous high-level oxidation technology, heterocatalysis oxidation technology, heterocatalysis oxide reduction techniques and grading reactor technique are optimized combination, give full play to respective response feature advantage, improve reaction efficiency, significantly reduce added amount of chemical, facts have proved that two-stage catalytic oxidation is reacted and fluidized-bed class Technical comparing with conventional homogeneous, significantly can improve effluent quality, reduce outlet water organic substance concentration, be applicable to waste water treatment applications, there is wide actual application prospect.
Summary of the invention
The deficiency that the utility model exists for prior art and problem, a kind of two-stage catalytic oxidized waste water treatment system is provided, molysite dosage can be reduced by this system, during process waste water, power consumption also reduces compared with homogeneous catalysis, and water inlet pollutant reaction belongs to pulling flow type oxidizing reaction, is not easy to penetrate bed, during water outlet, compliance rate significantly increases, use when native system is applicable to purifying liquid waste, be especially applicable to the needs meeting industrial waste water purifying, the concrete scheme that the utility model proposes is:
A kind of two-stage catalytic oxidized waste water treatment system, PH equalizing tank is connected by feedwater piping, oxidation reactor, neutralization tank, flocculation sedimentation tank, described oxidation reactor comprises stair oxidation reactor and secondary oxidation reactor, and the water outlet of stair oxidation reactor connects the water-in of secondary oxidation reactor by pipeline, stair oxidation reactor is homogeneous oxidizing reactor, and secondary oxidation reactor is fixed bed form oxidation reactor.Stair oxidation reactor and secondary oxidation reactor can adjust precedence according to sewage quality and processing requirements, or are made into the form of reaction tank.
Described stair oxidation reactor bottom is provided with inlet mouth, and inside arranges air aeration stirring system, and bottom is provided with water-in, and the lower sides that water-in is relative is provided with recirculation water entrance, and top is provided with water outlet.
The multifolded plate of surface irregularity injustice is vertically set in described stair oxidation reactor.
Described secondary oxidation reactor top is provided with water-in, the upper portion side wall relative with water-in is provided with backwash water outlet, bottom is provided with inlet mouth, backwash water, backwash gas entrance is provided with below inlet mouth, be provided with water outlet with backwash water, lower sides that backwash gas entrance is relative, water outlet is connected with the recirculation water entrance of stair oxidation reactor with water pump by pipeline.Can according to the regular backwash of the head loss of packing layer, backwash adopts air water backwash simultaneously form.
Establish packing layer in described secondary oxidation reactor, below packing layer, above inlet mouth, establish supporting layer; Below inlet mouth, above backwash water, backwash gas entrance and water outlet, filter plate is set.Supporting layer adopts coarse sand or gravel, can also be the porous plate of upper berth nylon wire or aperture by the porous plate contacting filler aspect and broaden gradually to supporting layer bottom surface, or the combination of several form.
The filler of described packing layer comprises inert support, transition metal, or inert support, transition-metals and their oxides; Filler mixed-stacking composition packing layer.
A kind of two-stage catalytic oxidized waste water treatment system, PH equalizing tank is connected by feedwater piping, oxidation reactor, neutralization tank, flocculation sedimentation tank, described oxidation reactor comprises stair oxidation reactor and secondary oxidation reactor, and the water outlet of stair oxidation reactor connects the water-in of secondary oxidation reactor by pipeline, stair oxidation reactor is fixed bed form oxidation reactor, and secondary oxidation reactor is homogeneous oxidizing reactor.
Filter plate can adopt common slight drag filter plate or large resistance perforated pipe system, and aeration also can adopt perforated pipe or single-hole membrane aerator, and all reactors can adopt steel, macromolecular material or Steel Concrete to build.Medicament addition device, electrically and instrument etc. be conventional equipment.
Usefulness of the present utility model is: the utility model provides a kind of two-stage catalytic oxidized waste water treatment system, for used water difficult to degradate, traditional high-level oxidation technology basis is improved, be provided with dual-stage oxidation reactor, and improve oxidation reactor emphatically, have employed the mode that one-level homogeneous oxidizing reactors in series secondary fixed-bed oxidation reactor combines, stair oxidation reactor is homogeneous catalytic oxidation form, inside establish coarse multifolded plate, not only reaction contact area can be increased, also play the effect of water conservancy diversion, improve mass-transfer efficiency and reaction efficiency;
Secondary oxidation reactor is fixed bed form, setting area layering, and in packing layer, filler arranges the effect of transition metal is improve catalytic effect further, make up the deficiency of first order reaction molysite, the supporting layer arranged under packing layer, while preventing inert support to run off, is conducive to uniform wash-down water;
Utilize Waste Water Treatment of the present utility model, can by conventional homogeneous high-level oxidation technology, heterocatalysis oxidation technology, heterocatalysis oxide reduction techniques and fractional order reaction technique are optimized combination, give full play to respective response feature advantage, improve reaction efficiency, remarkable reduction added amount of chemical, two-stage catalytic oxidation is reacted and fluidized-bed class Technical comparing with conventional homogeneous, significantly can improve effluent quality, reduce outlet water organic substance concentration, be applicable to waste water treatment applications, there is wide actual application prospect.
Accompanying drawing explanation
Fig. 1 is stair oxidation reactor and secondary oxidation structure of reactor connection diagram.
Reference numeral: 1 stair oxidation reactor water-in, 2 multifolded plates, 3 stair oxidation reactor water outlets, 4 stair oxidation reactor inlet mouths, 5 recirculation water entrances, 6 secondary oxidation reactor water-ins, 7 backwash water outlets, 8 secondary oxidation reactor inlet mouths, 9 packing layers, 10 supporting layers, 11 backwash water, backwash gas entrance, 12 filter plates, 13 secondary oxidation reactor water outlets.
Embodiment
Embodiment 1
A kind of two-stage catalytic oxidized waste water treatment system, PH equalizing tank is connected by feedwater piping, oxidation reactor, neutralization tank, flocculation sedimentation tank, oxidation reactor comprises stair oxidation reactor and secondary oxidation reactor, and the water outlet 1 of stair oxidation reactor connects the water-in 6 of secondary oxidation reactor by pipeline, stair oxidation reactor is homogeneous oxidizing reactor, and secondary oxidation reactor is fixed bed form oxidation reactor;
Stair oxidation reactor bottom is provided with inlet mouth 4, and bottom is provided with water-in 1, and top is provided with water outlet 3, and water outlet 3 connects go back to the bottom of stair oxidation reactor by pipeline, is set to recirculation water entrance 5; Secondary oxidation reactor top is provided with water-in 6, the upper portion side wall relative with water-in 6 is provided with backwash water and exports 7, bottom is provided with inlet mouth 8, backwash water, backwash gas entrance 11 is provided with below inlet mouth 8, be provided with water outlet 13 with backwash water, lower sides that backwash gas entrance 11 is relative, water outlet 13 is connected with backwash water, backwash gas entrance 11 by pipeline.
Embodiment 2
A kind of two-stage catalytic oxidized waste water treatment system, PH equalizing tank is connected by feedwater piping, oxidation reactor, neutralization tank, flocculation sedimentation tank, oxidation reactor comprises stair oxidation reactor and secondary oxidation reactor, and the water outlet 1 of stair oxidation reactor connects the water-in 6 of secondary oxidation reactor by pipeline, stair oxidation reactor is homogeneous oxidizing reactor, and secondary oxidation reactor is fixed bed form oxidation reactor;
Stair oxidation reactor bottom is provided with inlet mouth 4, and bottom is provided with water-in 1, and top is provided with water outlet 3, and water outlet 3 connects go back to the bottom of stair oxidation reactor by pipeline, is set to recirculation water entrance 5; Secondary oxidation reactor top is provided with water-in 6, the upper portion side wall relative with water-in 6 is provided with backwash water and exports 7, bottom is provided with inlet mouth 8, backwash water, backwash gas entrance 11 is provided with below inlet mouth 8, water outlet 13 is provided with backwash water, lower sides that backwash gas entrance 11 is relative, water outlet 13 is connected with the recirculation water entrance 5 of stair oxidation reactor with water pump by pipeline, packing layer 9 is established in secondary oxidation reactor, below packing layer 9, establish supporting layer 10 above inlet mouth 8, supporting layer 10 comprises the porous plate of upper berth nylon wire.
Embodiment 3
A kind of two-stage catalytic oxidized waste water treatment system, PH equalizing tank is connected by feedwater piping, oxidation reactor, neutralization tank, flocculation sedimentation tank, oxidation reactor comprises stair oxidation reactor and secondary oxidation reactor, and the water outlet 1 of stair oxidation reactor connects the water-in 6 of secondary oxidation reactor by pipeline, stair oxidation reactor is homogeneous oxidizing reactor, and secondary oxidation reactor is fixed bed form oxidation reactor;
Stair oxidation reactor bottom is provided with inlet mouth 4, and bottom is provided with water-in 1, and top is provided with water outlet 3, and water outlet 3 connects go back to the bottom of stair oxidation reactor by pipeline, is set to recirculation water entrance 5, secondary oxidation reactor top is provided with water-in 6, the upper portion side wall relative with water-in 6 is provided with backwash water and exports 7, bottom is provided with inlet mouth 8, backwash water is provided with below inlet mouth 8, backwash gas entrance 11, with backwash water, the lower sides that backwash gas entrance 11 is relative is provided with water outlet 13, water outlet 13 is connected with the recirculation water entrance 5 of stair oxidation reactor with water pump by pipeline, packing layer 9 is established in secondary oxidation reactor, below packing layer 9, supporting layer 10 is established above inlet mouth 8, supporting layer 10 comprises coarse sand or gravel, aperture under it by the porous plate contacting filler aspect and broaden gradually to supporting layer bottom surface, in secondary oxidation reactor below inlet mouth 8, backwash water, above backwash gas entrance 11 and water outlet 13, filter plate 12 is set.
Claims (6)
1. a two-stage catalytic oxidized waste water treatment system, PH equalizing tank is connected by feedwater piping, oxidation reactor, neutralization tank, flocculation sedimentation tank, is characterized in that described oxidation reactor comprises stair oxidation reactor and secondary oxidation reactor, and the water outlet of stair oxidation reactor connects the water-in of secondary oxidation reactor by pipeline, stair oxidation reactor is homogeneous oxidizing reactor, and secondary oxidation reactor is fixed bed form oxidation reactor.
2. a kind of two-stage catalytic oxidized waste water treatment system according to claim 1, it is characterized in that described stair oxidation reactor bottom is provided with inlet mouth, inside arranges air aeration stirring system, bottom is provided with water-in, the lower sides that water-in is relative is provided with recirculation water entrance, and top is provided with water outlet.
3. a kind of two-stage catalytic oxidized waste water treatment system according to claim 1 and 2, is characterized in that the multifolded plate vertically arranging surface irregularity injustice in described stair oxidation reactor.
4. a kind of two-stage catalytic oxidized waste water treatment system according to claim 3, it is characterized in that secondary oxidation reactor top is provided with water-in, the upper portion side wall relative with water-in is provided with backwash water outlet, bottom is provided with inlet mouth, backwash water, backwash gas entrance is provided with below inlet mouth, be provided with water outlet with backwash water, lower sides that backwash gas entrance is relative, water outlet is connected with the recirculation water entrance of stair oxidation reactor with water pump by pipeline.
5. a kind of two-stage catalytic oxidized waste water treatment system according to claim 4, is characterized in that establishing packing layer in described secondary oxidation reactor, below packing layer, establishes supporting layer above inlet mouth; Below inlet mouth, above backwash water, backwash gas entrance and water outlet, filter plate is set.
6. a two-stage catalytic oxidized waste water treatment system, PH equalizing tank is connected by feedwater piping, oxidation reactor, neutralization tank, flocculation sedimentation tank, is characterized in that described oxidation reactor comprises stair oxidation reactor and secondary oxidation reactor, and the water outlet of stair oxidation reactor connects the water-in of secondary oxidation reactor by pipeline, stair oxidation reactor is fixed bed form oxidation reactor, and secondary oxidation reactor is homogeneous oxidizing reactor.
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| CN201420788880.9U CN204325038U (en) | 2014-12-15 | 2014-12-15 | A kind of two-stage catalytic oxidized waste water treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445743A (en) * | 2014-12-15 | 2015-03-25 | 王全勇 | Two-stage catalytic oxidation wastewater treatment system |
| CN106348493A (en) * | 2016-10-31 | 2017-01-25 | 徐立华 | System and method for QSY catalytic oxidation advanced sewage treatment |
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2014
- 2014-12-15 CN CN201420788880.9U patent/CN204325038U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445743A (en) * | 2014-12-15 | 2015-03-25 | 王全勇 | Two-stage catalytic oxidation wastewater treatment system |
| CN106348493A (en) * | 2016-10-31 | 2017-01-25 | 徐立华 | System and method for QSY catalytic oxidation advanced sewage treatment |
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Effective date of registration: 20170221 Address after: Xinluo Avenue high tech Zone of Ji'nan City, Shandong province 250101 No. 2008 silver lotus tower C 8 floor Patentee after: Shandong Huacheng Urban Construction Engineering Co., Ltd. Address before: Xinluo Avenue high tech Zone of Ji'nan City, Shandong province 250101 No. 2008 silver lotus tower C 8 floor Patentee before: Wang Quanyong |