CN213085720U - Mud-containing sewage ultrasonic wave and hydrodynamic cavitation combined treatment device - Google Patents

Mud-containing sewage ultrasonic wave and hydrodynamic cavitation combined treatment device Download PDF

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Publication number
CN213085720U
CN213085720U CN202021162408.6U CN202021162408U CN213085720U CN 213085720 U CN213085720 U CN 213085720U CN 202021162408 U CN202021162408 U CN 202021162408U CN 213085720 U CN213085720 U CN 213085720U
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treatment device
ultrasonic
cavitation
hydrodynamic cavitation
sewage
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CN202021162408.6U
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祝瓛冰
李冬
吴仲达
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Guangdong Source Control Environmental Protection Technology Co ltd
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Guangdong Source Control Environmental Protection Technology Co ltd
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  • Treatment Of Sludge (AREA)

Abstract

The utility model discloses a mud-containing sewage ultrasonic wave and hydrodynamic cavitation joint treatment device, including hydrodynamic cavitation device and ultrasonic treatment device, bottle and supersonic generator are placed to the equal fixedly connected with oxidant in the ultrasonic treatment device left and right sides, the output fixedly connected with oxidant shower nozzle of bottle is placed to the oxidant, the bottle is placed to the oxidant and is located the supersonic generator top, supersonic generator's output fixedly connected with ultrasonic emission piece, ultrasonic treatment device bottom fixedly connected with agitator motor, the equal symmetrical welding in agitator motor output shaft left and right sides has stirring vane, ultrasonic treatment device top fixedly connected with sewage import. The utility model discloses in, carry out preliminary cavitation to sewage through the hydrodynamic cavitation device, clear away the mud in the sewage, clear away the sewage after mud and pass through ultrasonic treatment device, clear away the harmful substance in the sewage.

Description

Mud-containing sewage ultrasonic wave and hydrodynamic cavitation combined treatment device
Technical Field
The utility model belongs to the technical field of sewage treatment, specifically be a mud-containing sewage ultrasonic and hydrodynamic cavitation joint processing apparatus.
Background
The cavitation effect of the ultrasonic wave provides possibility for degrading harmful organic matters in water, thereby realizing the purpose of ultrasonic sewage treatment. In the sewage treatment process, the cavitation action of the ultrasonic waves has strong degradation capability on organic matters, the degradation speed is high, high energy generated by collapse of the ultrasonic cavitation bubbles is enough to break chemical bonds, the cavitation bubbles collapse to generate hydroxyl (OH) and hydrogen (H), and the hydroxyl (OH) and the hydrogen (H) undergo oxidation reaction with the organic matters, so that harmful organic matters in a water body can be converted into CO2, H2O, inorganic ions or organic matters with lower toxicity than the original organic matters and easy degradation. Therefore, organic pollutants which are difficult to treat are biodegraded in the traditional sewage treatment, and the degradation can be realized through the cavitation of ultrasonic waves;
the ultrasonic sewage treatment device in the prior art is difficult to remove harmful substances in water, and has incomplete purification and lower treatment efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems that an ultrasonic sewage treatment device in the prior art is difficult to remove harmful substances in a water body, cannot purify thoroughly and has low treatment efficiency, the ultrasonic and hydrodynamic cavitation combined treatment device for the sludge-containing sewage is provided.
The utility model adopts the technical scheme as follows: the utility model provides a contain mud sewage ultrasonic wave and hydrodynamic cavitation joint treatment device, includes hydrodynamic cavitation device and ultrasonic treatment device, bottle and supersonic generator are placed to the equal fixedly connected with oxidant in the ultrasonic treatment device left and right sides, the output fixedly connected with oxidant shower nozzle of bottle is placed to the oxidant, the bottle is placed to the oxidant and is located the supersonic generator top, supersonic generator's output fixedly connected with ultrasonic emission piece, ultrasonic treatment device bottom fixedly connected with agitator motor, the equal symmetrical welding in agitator motor output shaft left and right sides has stirring vane, ultrasonic treatment device top fixedly connected with sewage import.
In a preferred embodiment, the oxidant nozzle and the ultrasonic emission block are both located inside the ultrasonic treatment device.
In a preferred embodiment, the bottom of the hydrodynamic cavitation device is fixedly connected with the sewage inlet.
In a preferred embodiment, the distance between every two stirring blades on the left and right sides of the output shaft of the stirring motor is the same.
In a preferred embodiment, the hydrodynamic cavitation device is an inverted conical funnel-shaped structure.
In a preferred embodiment, a drain valve is arranged between the oxidant placing bottle and the ultrasonic generator which are fixedly connected with the right side of the ultrasonic treatment device.
In a preferred embodiment, the lower end of the hydrodynamic cavitation device is provided with a water outlet, the upper part of the cavity wall of the hydrodynamic cavitation device is uniformly provided with more than two cavitation ejectors, a crushing baffle is respectively arranged in front of a nozzle of each cavitation ejector, the crushing baffle is fixed in the inner cavity of the hydrodynamic cavitation device through a bracket, mixed liquid to be treated containing sludge is pumped into the cavitation ejectors to be subjected to primary cavitation treatment, then more than two high-speed jet streams are formed to impact on the corresponding crushing baffles, large-particle sludge flocs and partial sludge cells in the mixed liquid are crushed, and then secondary jet vortex cavitation is generated at the lower end of the hydrodynamic cavitation device and is discharged through the water outlet.
In a preferred embodiment, a cavitation inducing rotary vane is installed inside the water outlet, and the cavitation inducing rotary vane can be matched with a narrowing structure at the lower end of the hydrodynamic cavitation device to form secondary cavitation, so that large-particle sludge flocs and a part of sludge cells in the mixed liquid are further broken.
In a preferred embodiment, the crushing baffle is fixed on an upper bracket, and a lower bracket supports the upper bracket and is connected with the hydrodynamic cavitation device.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. in the utility model, the lower end of the hydrodynamic cavitation device is provided with a water flow outlet, the upper part of the cavity wall is evenly provided with more than two cavitation ejectors, the front part of a nozzle of each cavitation ejector is respectively provided with a crushing baffle plate which is fixed in the inner cavity of the hydrodynamic cavitation device through a bracket, mixed liquid containing sludge to be processed is pumped into the more than two cavitation ejectors to be processed for primary cavitation treatment to form more than two high-speed jet flows to impact on the corresponding crushing baffle plates, so that large-particle sludge flocs and partial sludge cells in the mixed liquid are crushed, then secondary eddy cavitation is generated at the lower end of the hydrodynamic cavitation device and is discharged through a water outlet, a cavitation induction rotary vane is arranged in the water outlet, the cavitation inducing rotary vane can be matched with a narrowing structure at the lower end of the hydrodynamic cavitation device to form secondary cavitation, so that large-particle sludge flocs and partial sludge cells in the mixed liquid are further crushed.
2. The utility model discloses in, sewage after the cavitation passes through in the rivers export gets into ultrasonic treatment device, start supersonic generator, the messenger sends the ultrasonic wave, ultrasonic wave is from ultrasonic emission piece and sewage contact, microbubble (cavitation core) that exist in the sewage vibrate under the effect of sound field, when acoustic pressure reaches a definite value, the bubble will expand rapidly, then close suddenly, produce the shock wave when the bubble is closed, finally rush, thereby clear away the harmful substance in the sewage, discharge from the drain valve at last, at ultrasonic treatment device bottom fixed connection agitator motor, when oxidant and sewage mix, start agitator motor and make oxidant and sewage intensive mixing, and the purification efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the ultrasonic treatment apparatus of the present invention;
fig. 3 is a sectional view of the hydrodynamic cavitation device of the present invention.
The labels in the figure are: 1-a hydrodynamic cavitation device, 2-an ultrasonic treatment device, 3-an oxidant placing bottle, 4-an ultrasonic generator, 5-a stirring motor, 6-a sewage inlet, 7-an oxidant nozzle, 8-an ultrasonic emission block, 9-a stirring blade, 10-a cavitation ejector, 11-a nozzle, 12-a crushing baffle, 13-a bracket, 14-an upper bracket, 15-a lower bracket, 16-a water outlet, 17-a cavitation induction rotary vane and 18-a drain valve.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, a combined ultrasonic and hydrodynamic cavitation treatment device for sewage containing mud comprises a hydrodynamic cavitation device 1 and an ultrasonic treatment device 2, wherein the hydrodynamic cavitation device 1 is an inverted conical funnel-shaped structure, the left side and the right side of the ultrasonic treatment device 2 are both fixedly connected with an oxidant placing bottle 3 and an ultrasonic generator 4, the output end of the oxidant placing bottle 3 is fixedly connected with an oxidant nozzle 7, the oxidant placing bottle 3 is positioned at the top of the ultrasonic generator 4, the output end of the ultrasonic generator 4 is fixedly connected with an ultrasonic emission block 8, the oxidant nozzle 7 and the ultrasonic emission block 8 are both positioned in the ultrasonic treatment device 2, the bottom of the ultrasonic treatment device 2 is fixedly connected with a stirring motor 5, stirring blades 9 are symmetrically welded at the left side and the right side of the output shaft of the stirring motor 5, and the distance between every two stirring blades 9 at the left side and, the top of the ultrasonic treatment device 2 is fixedly connected with a sewage inlet 6, the bottom of the hydrodynamic cavitation device 1 is fixedly connected with the sewage inlet 6, a drain valve 18 is arranged between an oxidant placing bottle 3 and an ultrasonic generator 4 which are fixedly connected with the right side of the ultrasonic treatment device 2, the lower end of the hydrodynamic cavitation device 1 is provided with a water outlet 16, the upper part of the cavity wall of the hydrodynamic cavitation device 1 is uniformly provided with more than two cavitation ejectors 10, a crushing baffle plate 12 is respectively arranged in front of a nozzle 11 of each cavitation ejector 10, the crushing baffle plate 12 is fixed in the inner cavity of the hydrodynamic cavitation device 1 through a bracket 13, a mixed liquid to be treated containing sludge is pumped into the more than two cavitation ejectors 10 to be subjected to primary cavitation treatment to form more than two high-speed jet flows to impact on the corresponding crushing baffle plates 12, so that sludge flocs and partial sludge cells in the mixed liquid are, the sewage is discharged through a water outlet 16, a cavitation inducing rotary vane 17 is arranged in the water outlet 16, the cavitation inducing rotary vane 17 can be matched with a narrowing structure at the lower end of the hydraulic cavitation device 1 to form secondary cavitation, large-particle sludge flocs and partial sludge cells in the mixed liquid are further crushed, the crushing baffle plate 12 is fixed on the upper support 14, and the lower support 15 supports the upper support 14 and is connected with the hydraulic cavitation device 1.
The working principle is as follows: the sludge mixed liquid with certain flow and pressure provided by the non-clogging sewage pump enters the cavitation ejector 10 at high speed, generates cavitation action in the cavitation ejector 10, and realizes the first pretreatment of the sludge mixed liquid under the comprehensive action of the high-speed ejection impact crushing baffle 12 so as to break large-particle sludge flocs and provide enough pressure and flow ratio for the secondary cavitation effect. Then the sludge mixed liquid generates secondary eddy cavitation in a funnel-shaped structure at the lower end of the sludge reducing machine, the sludge mixed liquid subjected to cavitation pretreatment by the cavitation ejector 10 is more fully treated, after the cavitation action, sewage enters the ultrasonic treatment device 2 through the sewage inlet 6, an oxidant in the oxidant containing bottle 3 is discharged into the ultrasonic treatment device 2 through the oxidant nozzle 7, chemical reaction is carried out between the oxidant and harmful substances in the sewage, the stirring motor 5 is started, the sewage is fully mixed with the oxidant, the efficiency is improved, the ultrasonic generator 4 is started to generate ultrasonic waves, the ultrasonic waves are contacted with the sewage from the ultrasonic wave emitting block 8, micro bubbles (cavitation nuclei) existing in the sewage vibrate under the action of a sound field, when the sound pressure reaches a certain value, the bubbles rapidly expand and then are suddenly closed, and shock waves are generated when the bubbles are closed, finally rushing to remove harmful substances in the sewage, and finally discharging the sewage from the drain valve 18.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (9)

1. The utility model provides a mud-containing sewage ultrasonic wave and hydrodynamic cavitation joint treatment device, includes hydrodynamic cavitation device (1) and ultrasonic treatment device (2), its characterized in that: bottle (3) and supersonic generator (4) are placed to the equal fixedly connected with oxidant in ultrasonic treatment device (2) the left and right sides, the output end fixedly connected with oxidant shower nozzle (7) of bottle (3) is placed to the oxidant, oxidant is placed bottle (3) and is located supersonic generator (4) top, the output fixedly connected with ultrasonic emission piece (8) of supersonic generator (4), ultrasonic treatment device (2) bottom fixedly connected with agitator motor (5), the equal symmetrical welding of agitator motor (5) output shaft left and right sides has stirring vane (9), ultrasonic treatment device (2) top fixedly connected with sewage inlet (6).
2. The combined ultrasonic and hydrodynamic cavitation treatment device for sludge-containing sewage as claimed in claim 1, wherein: the oxidant nozzle (7) and the ultrasonic emission block (8) are both positioned in the ultrasonic treatment device (2).
3. The combined ultrasonic and hydrodynamic cavitation treatment device for sludge-containing sewage as claimed in claim 1, wherein: the bottom of the hydrodynamic cavitation device (1) is fixedly connected with the sewage inlet (6).
4. The combined ultrasonic and hydrodynamic cavitation treatment device for sludge-containing sewage as claimed in claim 1, wherein: the distances between every two stirring blades (9) on the left side and the right side of the output shaft of the stirring motor (5) are the same.
5. The combined ultrasonic and hydrodynamic cavitation treatment device for sludge-containing sewage as claimed in claim 1, wherein: the hydrodynamic cavitation device (1) is of an inverted conical funnel-shaped structure.
6. The combined ultrasonic and hydrodynamic cavitation treatment device for sludge-containing sewage as claimed in claim 1, wherein: a drain valve (18) is arranged between the oxidant placing bottle (3) and the ultrasonic generator (4) which are fixedly connected with the right side of the ultrasonic treatment device (2).
7. The combined ultrasonic and hydrodynamic cavitation treatment device for sludge-containing sewage as claimed in claim 1, wherein: the water power cavitation device (1) lower extreme has rivers export (16), water power cavitation device (1) chamber wall upper portion evenly sets up cavitation sprayer (10) more than two, and nozzle (11) the place ahead of every cavitation sprayer (10) respectively arranges and smashes baffle (12), it fixes to smash baffle (12) through support (13) the inner chamber of water power cavitation device (1).
8. The combined ultrasonic and hydrodynamic cavitation treatment device for sludge-containing sewage as claimed in claim 7, wherein: and a cavitation induction rotary vane (17) is arranged in the water outlet (16).
9. The combined ultrasonic and hydrodynamic cavitation treatment device for sludge-containing sewage as claimed in claim 7, wherein: the crushing baffle (12) is fixed on an upper support (14), and a lower support (15) supports the upper support (14) and is connected with the hydrodynamic cavitation device (1).
CN202021162408.6U 2020-06-22 2020-06-22 Mud-containing sewage ultrasonic wave and hydrodynamic cavitation combined treatment device Active CN213085720U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021162408.6U CN213085720U (en) 2020-06-22 2020-06-22 Mud-containing sewage ultrasonic wave and hydrodynamic cavitation combined treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021162408.6U CN213085720U (en) 2020-06-22 2020-06-22 Mud-containing sewage ultrasonic wave and hydrodynamic cavitation combined treatment device

Publications (1)

Publication Number Publication Date
CN213085720U true CN213085720U (en) 2021-04-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021162408.6U Active CN213085720U (en) 2020-06-22 2020-06-22 Mud-containing sewage ultrasonic wave and hydrodynamic cavitation combined treatment device

Country Status (1)

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CN (1) CN213085720U (en)

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GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A combined ultrasonic and hydraulic cavitation treatment device for sludge containing wastewater

Effective date of registration: 20210615

Granted publication date: 20210430

Pledgee: Guangdong Zhongying Shengda Financing Guarantee Investment Co.,Ltd.

Pledgor: Guangdong Source Control Environmental Protection Technology Co.,Ltd.

Registration number: Y2021440000199