CN213112894U

CN213112894U - Sewage cavitation conditioning device

Info

Publication number: CN213112894U
Application number: CN202021162492.1U
Authority: CN
Inventors: 李冬; 吴仲达; 祝瓛冰
Original assignee: Guangdong Source Control Environmental Protection Technology Co ltd
Current assignee: Guangdong Source Control Environmental Protection Technology Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-05-04
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a sewage cavitation conditioning device, which comprises a hydraulic cavitation device, an oxidation barrel and a filter barrel, wherein the hydraulic cavitation device is fixedly connected with the top of the oxidation barrel through a water pipe, the top of the oxidation barrel is fixedly connected with a stirring motor, the bottom of an output shaft of the stirring motor is fixedly connected with a stirring blade, the outer wall of the left side of the oxidation barrel is fixedly connected with an oxidant placing box, the outer wall of the left side of the filter barrel is fixedly connected with a water pump, the outer part of the right side of the filter barrel is fixedly connected with a drain valve, in the utility model, the sewage cavitated into floccules enters the oxidation barrel through the stirring motor fixedly connected with the top of the oxidation barrel and the stirring blade fixedly connected with the bottom of the output shaft of the stirring motor, the outer wall of the left side of the oxidation barrel is fixedly connected with the oxidant placing box, and starting the stirring motor to rotate the stirring motor so as to fully mix the sewage and the oxidant.

Description

Sewage cavitation conditioning device

Technical Field

The utility model belongs to the technical field of sewage treatment, specifically be a sewage cavitation conditioning device.

Background

At present, industrial wastewater, domestic sewage and other wastes enter water bodies such as rivers, lakes and seas and exceed the self-purification capacity of the water bodies, so that great pollution is caused, and serious consequences are caused to increasingly tense water resources in China. The sewage treatment is to convert organic pollutants contained in the sewage into harmless substances by using a certain technical method. Cavitation is a specific phenomenon in fluid, cavitation bubbles are generated along with the primary generation, growth and collapse of cavitation bubbles, a large amount of energy can be released during collapse, and local extreme environments such as high temperature and high pressure are caused, so that a large amount of free radicals are generated, the free radicals further react with organic matters to degrade organic pollutants in wastewater, hydrodynamic cavitation refers to the state of low pressure and high flow rate artificially manufactured at a certain position of a pipeline through which liquid passes, and when the pressure of the liquid is less than saturated vapor pressure, the bubbles in the liquid are expanded continuously, and the volume is increased. And as the fluid moves, the bubbles collapse and burst after reaching the high-pressure and low-flow-rate area. The method has wide application range and good oxidation effect on various organic matters. The method can provide a theoretical basis for efficient and energy-saving organic water pollution degradation by utilizing the cavitation effect, thereby promoting the development of environment-friendly work;

the sewage cavitation conditioning device in the prior art only cavitates sewage containing sludge into floccules, cannot condition the floccules and does not have a filtering function.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the sewage cavitation conditioning device aims to solve the problems that sewage containing sludge is cavitated into floccules, the floccules cannot be conditioned and the device does not have a filtering function in the prior art.

The utility model adopts the technical scheme as follows: the utility model provides a sewage cavitation conditioning device, includes hydrodynamic cavitation device, oxidation bucket and filter vat, hydrodynamic cavitation device leads to pipe fixed connection in oxidation bucket top, oxidation bucket top fixedly connected with agitator motor, agitator motor output shaft bottom fixedly connected with stirring vane, the case is placed to oxidation bucket left side outer wall fixedly connected with oxidant, filter vat left side outer wall fixedly connected with suction pump, the outside fixedly connected with drain valve in filter vat right side, the inside fixedly connected with filter of filter vat.

In a preferred embodiment, the filter plate is fixedly connected with the inner wall of the filter barrel at an angle of 105 degrees.

In a preferred embodiment, the water outlet of the water pump is fixedly connected to the top of the filter vat.

In a preferred embodiment, the outer wall of the right side of the oxidation barrel is provided with a connecting water pipe, and the connecting water pipe is fixedly connected with a water inlet of the water suction pump.

In a preferred embodiment, the hydrodynamic cavitation device is an inverted conical funnel-shaped structure.

In a preferred embodiment, said filter plates are arranged in at least three groups.

In a preferred embodiment, the lower end of the hydrodynamic cavitation device is provided with a water outlet, the upper part of the hydrodynamic cavitation device is uniformly provided with more than two hydrodynamic cavitation ejectors, a crushing baffle is respectively arranged in front of a nozzle of each hydrodynamic cavitation ejector, the crushing baffle is fixed in an inner cavity of the hydrodynamic cavitation device through a bracket, mixed liquid to be treated containing sludge is pumped into the hydrodynamic cavitation ejectors to be subjected to primary cavitation treatment to form more than two high-speed jet streams to collide with the corresponding crushing baffle, so that 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. the utility model discloses in, through at oxidation bucket top fixed connection agitator motor, agitator motor output shaft bottom fixed connection stirring vane, the case is placed to oxidation bucket left side outer wall fixed connection oxidant, and the sewage that the floccule was become in the cavitation gets into the oxidation bucket, places the oxidant of incasement with the oxidant and puts into the oxidation bucket, carries out the oxidation to the sewage that is the floccule, starts agitator motor, makes agitator motor rotate, with sewage and oxidant intensive mixing.

2. The utility model discloses in, through at filter vat left side outer wall fixed connection suction pump, the outside fixed connection drain valve in filter vat right side, the inside fixed connection filter of filter vat, in the sewage after the oxidation was accomplished passes through the suction pump and gets into the filter vat, sewage flows through the filter screen and filters, discharges through the drain valve at last.

Drawings

FIG. 1 is a schematic diagram of a sewage cavitation conditioning device according to the present invention;

FIG. 2 is a cross-sectional view of a filtering box of the sewage cavitation conditioning device of the present invention;

fig. 3 is a sectional view of the hydrodynamic cavitation device in the sewage cavitation conditioning device of the present invention.

The labels in the figure are: 1-a hydrodynamic cavitation device, 2-an oxidation barrel, 3-a filter barrel, 4-a stirring motor, 5-an oxidant placing box, 6-a water pump, 7-a drain valve, 8-a filter plate, 9-a hydrodynamic cavitation ejector, 10-a nozzle, 11-a crushing baffle, 12-a support, 13-an upper support, 14-a lower support, 15-a water outlet, 16-a cavitation induction rotary vane and 17-a stirring vane.

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 sewage cavitation conditioning device comprises a hydrodynamic cavitation device 1, an oxidation barrel 2 and a filter barrel 3, wherein the hydrodynamic cavitation device 1 is an inverted conical funnel-shaped structure, the hydrodynamic cavitation device 1 is fixedly connected to the top of the oxidation barrel 2 through a water pipe, the top of the oxidation barrel 2 is fixedly connected with a stirring motor 4, the bottom of an output shaft of the stirring motor 4 is fixedly connected with a stirring blade 17, the left outer wall of the oxidation barrel 2 is fixedly connected with an oxidant placing box 5, the left outer wall of the filter barrel 3 is fixedly connected with a water suction pump 6, the right outer wall of the oxidation barrel 2 is provided with a connecting water pipe, the connecting water pipe is fixedly connected with a water inlet of the water suction pump 6, a water outlet of the water suction pump 6 is fixedly connected to the top of the filter barrel 3, the right outer part of the filter barrel 3 is fixedly connected with a, the filter plates 8 are provided with at least three groups, the lower end of the hydrodynamic cavitation device 1 is provided with a water outlet 15, the upper part of the hydrodynamic cavitation device 1 is uniformly provided with more than two hydrodynamic cavitation ejectors 9, a crushing baffle 11 is respectively arranged in front of a nozzle 10 of each hydrodynamic cavitation ejector 9, the crushing baffle 11 is fixed in the inner cavity of the hydrodynamic cavitation device 1 through a bracket 12, a mixed solution to be processed containing sludge is pumped into the hydrodynamic cavitation ejectors 9 to be subjected to primary cavitation treatment to form more than two high-speed jet streams to impact on the corresponding crushing baffle 11, so that large-particle sludge flocs and partial sludge cells in the mixed solution are crushed, secondary jet vortex cavitation is generated at the lower end of the hydrodynamic cavitation device 1 and is discharged through the water outlet 15, a cavitation induction rotating vane 16 is arranged in the water outlet 15, and the cavitation induction rotating vane 16 can be matched with a narrowing structure at, secondary cavitation is formed, large-particle sludge flocs and partial sludge cells in the mixed liquid are further crushed, the crushing baffle 11 is fixed on the upper bracket 13, and the lower bracket 14 supports the upper bracket 13 and is connected with the hydrodynamic 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 hydrodynamic cavitation ejector 9 at high speed, cavitation is generated in the hydrodynamic cavitation ejector 9, and the sludge mixed liquid is pretreated for the first time under the comprehensive action of high-speed ejection and impact on the crushing baffle plate 11, so that large-particle sludge flocs are crushed, and sufficient pressure and flow ratio are provided for the secondary cavitation effect. Next, 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 9 is more fully treated, the sewage cavitated into floccules enters the oxidation barrel 2, the oxidant in the oxidant placing box 5 is placed into the oxidation barrel 2, the sewage which is floccules is oxidized, the stirring motor 4 is started, the stirring motor 4 is rotated, the sewage and the oxidant are fully mixed, the sewage after oxidation enters the filter barrel 3 through the water suction pump 6, the sewage flows through the filter screen 8 and is filtered, and finally, the sewage is discharged through the water discharge valve 7.

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

1. The utility model provides a sewage cavitation conditioning device, includes hydrodynamic cavitation device (1), oxidation bucket (2) and filter vat (3), its characterized in that: hydrodynamic cavitation device (1) leads to pipe fixed connection in oxidation bucket (2) top, oxidation bucket (2) top fixedly connected with agitator motor (4), agitator motor (4) output shaft bottom fixedly connected with stirring vane (17), case (5) is placed to oxidation bucket (2) left side outer wall fixedly connected with oxidant, filter vat (3) left side outer wall fixedly connected with suction pump (6), the outside fixedly connected with drain valve (7) in filter vat (3) right side, the inside fixedly connected with filter (8) of filter vat (3).

2. The sewage cavitation conditioning device of claim 1, wherein: the filter plate (8) is fixedly connected with the inner wall of the filter barrel (3) at an angle of 105 degrees.

3. The sewage cavitation conditioning device of claim 1, wherein: and the water outlet of the water suction pump (6) is fixedly connected to the top of the filter barrel (3).

4. The sewage cavitation conditioning device of claim 1, wherein: the outer wall of the right side of the oxidation barrel (2) is provided with a connecting water pipe, and the connecting water pipe is fixedly connected with a water inlet of the water suction pump (6).

5. The sewage cavitation conditioning device of claim 1, wherein: the hydrodynamic cavitation device (1) is of an inverted conical funnel-shaped structure.

6. The sewage cavitation conditioning device of claim 1, wherein: the filter plates (8) are provided with at least three groups.

7. The sewage cavitation conditioning device of claim 1, wherein: the hydraulic cavitation device (1) lower extreme has rivers export (15), hydraulic cavitation device (1) upper portion evenly sets up two or more hydraulic cavitation ejectors (9), and nozzle (10) the place ahead of every hydraulic cavitation ejector (9) respectively arranges and smashes baffle (11), it fixes to smash baffle (11) through support (12) the inner chamber of hydraulic cavitation device (1).

8. The sewage cavitation conditioning apparatus of claim 7, wherein: and a cavitation induction rotary vane (16) is arranged in the water outlet (15).

9. The sewage cavitation conditioning apparatus of claim 7, wherein: the crushing baffle (11) is fixed on an upper support (13), and a lower support (14) supports the upper support (13) and is connected with the hydrodynamic cavitation device (1).