CN103394340B - In situ regeneration apparatus for failure biological active carbon - Google Patents
In situ regeneration apparatus for failure biological active carbon Download PDFInfo
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- CN103394340B CN103394340B CN201310358557.8A CN201310358557A CN103394340B CN 103394340 B CN103394340 B CN 103394340B CN 201310358557 A CN201310358557 A CN 201310358557A CN 103394340 B CN103394340 B CN 103394340B
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Abstract
The invention provides an in situ regeneration apparatus for failure biological active carbon. The in situ regeneration apparatus comprises a fixation bracket (1), a movement device (2), an ultrasonic wave generation device (3), a control device (4), and a power supply device (5), wherein the ultrasonic wave generation device (3) is fixed on the movement device (2), the movement device (2) is arranged on the fixation bracket (1) and can move freely on the fixation bracket (1), an ultrasonic wave probe is arranged on the ultrasonic wave generation device (3), the control device (4) outputs current and a control signal to the ultrasonic wave generation device (3) and the control device (4), and the power supply device (5) and the control device (4) are connected. The in situ regeneration apparatus has characteristics of simple structure, easy use and good treatment effect. With the in situ regeneration apparatus, in site regeneration of biological active carbon in a filtration tank can be achieved, processes of water taking and filling-after-regeneration by active carbon in a filtration tank during a biological active carbon regeneration process can be effectively avoided, a lot of labor can be saved, active carbon loss can be avoided, and a use cost is low.
Description
Technical field
The invention belongs to field of water treatment equipment, particularly a kind of situ regeneration device for failure biological active carbon.
Background technology
The deterioration of drinking water source water quality and the enforcement of new water quality standard for drinking water make the advanced treatment process based on Ozone-Biological Activated Carbon Process be used widely.But biological activated carbon there will be Problem of Failure in use for some time, cause treatment effect to worsen, must regenerate to recover its basic function to biological activated carbon.
For the regeneration existing large quantity research in early stage of absorption active carbon, the most basic and be mode the most ripe be thermal regeneration, apply in Practical Project at present.Other such as solvent regeneration process, bio-regeneration method, wet air regeneration method, electrochemical regeneration method, photochemical catalytic oxidation method of reproduction, microwave method of reproduction, supercritical fluid method of reproduction, ultrasonic regeneration method also have a large amount of laboratory researches, but are only limitted to laboratory research at present.But due to biological activated carbon filter completely different from the mechanism of action of adsorption activity carbon filtering pool, so there is very large difference for the renovation process of biological activated carbon and operational factor.
Renovation process for biological activated carbon focuses mostly at present on thermal regeneration, and the research of other method is still in the elementary step.But thermal regeneration methods operation is more loaded down with trivial details, and effect bad.On the whole, the renovation process of biological activated carbon and regenerating unit are still immature, need further to research and develop for the renovation process of biological activated carbon and device.Ultrasonic regeneration gets more and more people's extensive concerning as a kind of novel regeneration method of active carbon, but be applied to biological activated carbon regeneration but there is more problem, in addition, it is large that dystopy regenerates not only complex operation, workload, also there are a large amount of losses of active carbon.The situ regeneration device how developing applicable biological activated carbon according to the characteristic of biological activated carbon and the form of biological activated carbon filter and Mechanism of Ultrasonic seems particularly important.
Summary of the invention
Goal of the invention: the object of this invention is to provide a kind of situ regeneration device for failure biological active carbon, uses this device can carry out in-situ regeneration to failure biological active carbon efficiently and safely.
The second object of the present invention is to provide a kind of in situ regeneration method utilizing said apparatus to realize failure biological active carbon.
Technical scheme: a kind of situ regeneration device for failure biological active carbon provided by the invention, comprises fixed support, mobile device, ultrasonic generator, control device, electric supply installation; Described ultrasonic generator is fixed on mobile device, and described mobile device is arranged on fixed support and also can moves freely on fixed support; Described ultrasonic generator is provided with ultrasonic probe; Described control device output current and control signal on ultrasonic generator and control device; Described electric supply installation is connected with control device.
As improvement, described fixed support is truss-like device; Adopt crisscross truss structure.
Improve as another kind, also comprise boom hoisting, ultrasonic generator is fixed on mobile device by boom hoisting.Ultrasonic generator is fixed on fixing steelframe, is realized the vertical movement of ultrasonic response system by tackling system.Mobile device can move horizontally on fixed support, can realize moving horizontally of ultrasonic generator, guarantees that ultrasonic generator moves to any position of activated carbon filter; The relative fixed support vertical lifting of mobile device can be made by boom hoisting, utilize when biological activated carbon runs boom hoisting to be sling by ultrasonic generator to activated carbon filter top, utilize when needs regenerate boom hoisting ultrasonic generator to be stretched into biologically active layer of charcoal surface layer of charcoal.As preferably, the sidewall of described ultrasonic generator is provided with spillway hole, and aperture is 0.5-1.0mm.
Preferred as another kind, the input power average of described ultrasonic generator is 1-3kw/m
2, ultrasonic power is 20-80KHz.
Preferred as another kind, the quantity of described ultrasonic probe is more than 1, and every root ultrasonic probe length is 5-30cm, adjacent ultrasonic ripple probe separation 20-40cm.
Present invention also offers the in situ regeneration method utilizing said apparatus to realize failure biological active carbon, comprise the following steps:
(1) situ regeneration device being used for failure biological active carbon is placed in activated carbon filter top, the ultrasonic generator being provided with ultrasonic probe is placed in biological activated carbon layer of charcoal surface, make ultrasonic probe insert the layer of charcoal degree of depth at 10-30cm;
(2) open ultrasonic generator and make regenerating active carbon, the time is more than 20min;
(3) continue to run ultrasonic generator, open the Air Reverse cleaning device air purge bottom activated carbon filter, the time is 5-10min simultaneously;
(4) continue to run ultrasonic generator, Air Reverse cleaning device, the water simultaneously opening activated carbon filter rushes the punching of back washing device water, and the time is 4-6min;
(5) stop ultrasonic generator, Air Reverse cleaning device, add flood simultaneously and rush back washing device intensity, the time is 5min; Water is stopped to rush back washing device;
(6) step (2) is repeated to (5);
(7) continue water and rush 10-20min, namely complete the in-situ regeneration of failure biological active carbon.
In step (2), described ultrasonic probe tranmitting frequency 20-80KHZ, power is 1.0-3.0KW/m
2.
In step (3), air purge intensity is 10-20L/m
2s.
In step (4), it is 1-5L/m that water rushes intensity
2s.
In step (5), it is 5-8L/m that water rushes intensity
2s.
In step (5), by add flood rush back washing device intensity make activated-carbon filter layer by layer dilation remain on 30-50%.
Beneficial effect: the situ regeneration device structure for failure biological active carbon provided by the invention is simple, easy to use, treatment effect is good, this device can realize biological activated carbon at filter tank in-situ regeneration, active carbon in biological activated carbon regenerative process effectively can be avoided to take out in filter tank and regenerate rear filling work procedure, can not only save labour in a large number and can avoid the loss of active carbon, use cost is low.
Relation in this device binding bioactive carbon filtering pool between biological activated carbon degree of saturation and the active carbon layer degree of depth, by ultrasonic generator is inserted biological activated carbon top layer, thus can higher-strength be carried out for the active carbon that top layer degree of saturation is higher regenerate, and it is relatively little for the effect of deep reactive charcoal, thus can the biological activated carbon in whole filter tank be regenerated effectively, treatment effect is good, energy consumption is low.
In the present invention, the numerical value of the relevant operational factor of ultrasonic generator is determined to be got by a large amount of experiments, runs with this understanding, can reach good regeneration effect, is unlikely to again to cause activated carbon structure generation acute variation.
In the present invention, the sidewall of ultrasonic generator arranges the spillway hole of some; can effective overflow of water when ultrasonic regeneration and combined water and air backwash combinationally use; avoid water rush intensity excessive time impact on ultrasonic regenerating unit, simultaneously again can granular activated carbon in effectively catching regeneration.
Regenerating unit provided by the present invention, fully in conjunction with the design feature of existing biological activated carbon filter, by appropriate reconstruction is carried out at existing biological activated carbon filter top in concrete enforcement, is implemented easily, more easily to apply.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention for the situ regeneration device of failure biological active carbon.
Detailed description of the invention
Below in conjunction with accompanying drawing the present invention made and further illustrating.
For the situ regeneration device of failure biological active carbon, see Fig. 1, comprise fixed support 1, mobile device 2, ultrasonic generator 3, control device 4, electric supply installation 5 and boom hoisting 6; Mobile device 2 is crisscross truss structure; Ultrasonic generator 3 is fixed on mobile device 2 by boom hoisting 6, and mobile device 2 is arranged on fixed support 1 and also can moves freely on fixed support 1; Ultrasonic generator 3 is provided with ultrasonic probe; Control device 4 output current and control signal on ultrasonic generator 3 and control device 4; Electric supply installation 5 is connected with control device 4.
Ultrasonic generator 3 is arranged 4 ultrasonic probes, every root ultrasonic probe length is 15cm, adjacent ultrasonic ripple probe separation 30cm; Alternatively, the data of ultrasonic probe and size also can rationally be arranged as required, as long as its quantity be more than 1, length is 5-30cm, adjacent ultrasonic ripple probe separation 20-40cm all can realize object of the present invention by volume preferably.The sidewall of ultrasonic generator 3 is provided with the spillway hole that aperture is 0.8mm; alternatively; its aperture also can rationally be arranged as required; preferably; aperture is that 0.5-1.0mm all can effective overflow of water when ultrasonic regeneration and combined water and air backwash combinationally use; avoid water rush intensity excessive time impact on ultrasonic regenerating unit, simultaneously again can granular activated carbon in effectively catching regeneration.
Utilize said apparatus to realize the in situ regeneration method of failure biological active carbon, comprise the following steps:
(1) situ regeneration device being used for failure biological active carbon is placed in activated carbon filter 7 top, the ultrasonic generator 3 being provided with ultrasonic probe is placed in biological activated carbon layer of charcoal surface, make ultrasonic probe insert the layer of charcoal degree of depth at 10-30cm;
(2) open ultrasonic generator 3 and make regenerating active carbon, the time is more than 20min;
(3) continue to run ultrasonic generator 3, open Air Reverse cleaning device 8 air purge bottom activated carbon filter 7, the time is 5-10min simultaneously;
(4) continue to run ultrasonic generator 3, Air Reverse cleaning device 8, the water simultaneously opening activated carbon filter 7 rushes the punching of back washing device 9 water, and the time is 4-6min;
(5) stop ultrasonic generator 3, Air Reverse cleaning device 8, add flood simultaneously and rush back washing device 9 intensity, the time is 3-5min; Water is stopped to rush back washing device 9; By add flood rush back washing device intensity make activated-carbon filter layer by layer dilation remain on 30-50%;
(6) step (2) is repeated to (5);
(7) continue water and rush 10-20min, namely complete the in-situ regeneration of failure biological active carbon.
Utilize said apparatus to carry out the regeneration of biological activated carbon in failure biological active carbon filter post, adopt the performance parameter regenerating front and back biological activated carbon under measuring different condition respectively, regeneration condition, in table 1, the results are shown in Table 2.
Table 1 failure biological active carbon regeneration condition
The performance parameter of biological activated carbon before and after table 2 regenerates
As can be seen from table 1 and 2, biological activated carbon regenerating unit has good regeneration effect to failure biological active carbon, and active carbon relevant parameter all can return to more than 90% of fresh charcoal.
Claims (6)
1. for a situ regeneration device for failure biological active carbon, it is characterized in that: comprise fixed support (1), mobile device (2), ultrasonic generator (3), control device (4), electric supply installation (5); Described ultrasonic generator (3) is fixed on mobile device (2), and described mobile device (2) is arranged at fixed support (1) and above also can moves freely on fixed support (1); Described ultrasonic generator (3) is provided with ultrasonic probe; Described control device (4) output current and control signal to ultrasonic generator (3) and control device (4); Described electric supply installation (5) is connected with control device (4); The sidewall of described ultrasonic generator (3) is provided with spillway hole.
2. a kind of situ regeneration device for failure biological active carbon according to claim 1, is characterized in that: described fixed support (1) is truss structure.
3. a kind of situ regeneration device for failure biological active carbon according to claim 1, it is characterized in that: also comprise boom hoisting (6), ultrasonic generator (3) is fixed on mobile device (2) by boom hoisting (6).
4. a kind of situ regeneration device for failure biological active carbon according to claim 1, is characterized in that: the aperture of described spillway hole is 0.5-1.0mm.
5. a kind of situ regeneration device for failure biological active carbon according to claim 1, is characterized in that: the input power average of described ultrasonic generator (3) is 1-3kW/m
2, ultrasonic power is 20-80kHz.
6. a kind of situ regeneration device for failure biological active carbon according to claim 1, is characterized in that: the quantity of described ultrasonic probe is more than 1, and every root ultrasonic probe length is 5-30cm, adjacent ultrasonic ripple probe separation 20-40cm.
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| CN201310358557.8A CN103394340B (en) | 2013-08-16 | 2013-08-16 | In situ regeneration apparatus for failure biological active carbon |
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| CN201310358557.8A CN103394340B (en) | 2013-08-16 | 2013-08-16 | In situ regeneration apparatus for failure biological active carbon |
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