CN213112892U

CN213112892U - Hydrodynamic cavitation sterilization device for sewage treatment

Info

Publication number: CN213112892U
Application number: CN202021161843.7U
Authority: CN
Inventors: 吴仲达; 李冬; 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 hydrodynamic cavitation sterilizing equipment for sewage treatment, including hydrodynamic cavitation device, the case that disinfects, rose box and lower carriage, agitator motor output shaft outer wall fixedly connected with stirring vane, the outside fixedly connected with connecting pipe in case right side disinfects, connecting pipe outer wall fixedly connected with suction pump, the case is placed to filter box top fixedly connected with purifying agent, the purifying agent is placed bottom of the case fixedly connected with shower nozzle, rose box left and right sides inner wall bolted connection has the fixture block, and is two sets of the board is placed to the joint between the fixture block, it has the filter to place board top joint, rose box right side outer wall fixedly connected with solenoid valve. The utility model discloses in, through the case that disinfects in hydrodynamic cavitation device bottom fixed connection, disinfect case left side outer wall fixed connection ozone generating device, carry out bacterial treatment to the sewage after preliminary cavitation, the case is placed to filter box top fixed connection purifying agent, filters the floccule in the rose box through the purifying agent.

Description

Hydrodynamic cavitation sterilization device for sewage treatment

Technical Field

The utility model belongs to the technical field of sewage treatment, specifically be a hydrodynamic cavitation sterilization apparatus for sewage treatment.

Background

With the rapid development of industrial and agricultural production and the enlargement of urban scale, a large amount of industrial, domestic and agricultural sewage is discharged into water bodies, so that the water environment is seriously polluted. The cavitation effect refers to cavitation bubbles and collapse thereof generated in a liquid stream due to a sudden change in pressure. When fluid flows through a contraction device, the flow rate of the liquid is increased and the pressure is reduced due to the flow resistance of the contraction device, when the pressure is reduced to steam pressure or even negative pressure, gas dissolved in the fluid is released, meanwhile, the fluid is vaporized to generate a large amount of cavitation bubbles, then, the pressure around the liquid is quickly recovered to jet and expand, and the cavitation bubbles are instantly destroyed, so that cavitation is generated;

the hydrodynamic cavitation sterilization device for sewage treatment in the prior art can not perform sterilization treatment on sewage only through simple cavitation, and the sewage still contains a large amount of floccules after cavitation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the hydrodynamic cavitation sterilization device for sewage treatment aims to solve the problems that the hydrodynamic cavitation sterilization device for sewage treatment in the prior art cannot perform sterilization treatment on sewage only through simple cavitation and contains a large amount of floccules after being cavitated, and the hydrodynamic cavitation sterilization device for sewage treatment is provided.

The utility model adopts the technical scheme as follows: the utility model provides a hydrodynamic cavitation sterilizing equipment for sewage treatment, includes hydrodynamic cavitation device, disinfect case, rose box and lower carriage, hydrodynamic cavitation device bottom fixedly connected with case that disinfects, disinfect bottom of the case portion fixedly connected with agitator motor, disinfect case left side outer wall fixedly connected with ozone generating device, agitator motor output shaft outer wall fixedly connected with stirring vane, the outside fixedly connected with connecting pipe in case right side disinfects, connecting pipe outer wall fixedly connected with suction pump, the case is placed to rose box top fixedly connected with decontaminating agent, the purifying agent is placed bottom of the case portion fixedly connected with shower nozzle, rose box left and right sides inner wall bolted connection has the fixture block, and is two sets of the board is placed to the joint between the fixture block, it has the filter to place board top joint, rose box right side outer wall fixedly connected with solenoid valve.

In a preferred embodiment, the top of the placing plate is provided with a clamping groove matched with the filter plate.

In a preferred embodiment, one end of the connecting pipe, which is far away from the sterilizing box, is fixedly connected to the outer wall of the left side of the filtering box.

In a preferred embodiment, the filter plate is an activated carbon filter plate.

In a preferred embodiment, the output port of the ozone generating device is fixedly connected with the outer wall of the left side of the sterilizing box.

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

In a preferred embodiment, the lower end of the hydrodynamic cavitation device is provided with a cavitation induction rotary vane, the upper part 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 an 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 to form more than two high-speed jet streams to collide with the corresponding crushing baffles, 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 a water outlet.

In a preferred embodiment, a water outlet is installed inside the cavitation inducing rotary vane, and the cavitation inducing rotary vane can cooperate 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 tail end of the crushing baffle is fixedly connected with an upper bracket, and the 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 the rose box left and right sides inner wall bolted connection fixture block, the board is placed to the joint between two sets of fixture blocks, places the draw-in groove that the board top was seted up and is matched with the filter formula, places board top joint filter, uses the back when the filter for a long time, takes out the filter from placing the board, is convenient for change.

2. The utility model discloses in, through the case that disinfects in hydrodynamic cavitation device bottom fixed connection, disinfect case left side outer wall fixed connection ozone generating device, carry out bacterial treatment to the sewage after preliminary cavitation, the case is placed to filter box top fixed connection purifying agent, filters the floccule in the rose box through the purifying agent.

Drawings

FIG. 1 is a schematic diagram of a hydrodynamic cavitation sterilization device for sewage treatment according to the present invention;

FIG. 2 is a sectional view of a hydrodynamic cavitation device in the hydrodynamic cavitation sterilization device for sewage treatment of the present invention;

fig. 3 is a top view of the placing plate in the hydrodynamic cavitation sterilization device for sewage treatment.

The labels in the figure are: 1-hydraulic cavitation device, 2-sterilization box, 3-stirring motor, 4-ozone generating device, 5-stirring blade, 6-water pump, 7-filter box, 8-purifying agent placing box, 9-spray head, 10-placing plate, 11-filter plate, 12-electromagnetic valve, 13-cavitation ejector, 131-nozzle, 14-crushing baffle, 141-bracket, 142-upper bracket, 143-lower bracket, 15-water outlet, 16-cavitation induction rotary vane, 17-connecting pipe and 18-clamping block.

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 hydrodynamic cavitation sterilization device for sewage treatment, comprising a hydrodynamic cavitation device 1, a sterilization box 2, a filter box 7 and a lower bracket 143, wherein the hydrodynamic cavitation device 1 is an inverted conical funnel-shaped structure, the bottom of the hydrodynamic cavitation device 1 is fixedly connected with the sterilization box 2, the bottom of the sterilization box 2 is fixedly connected with a stirring motor 3, the outer wall of the left side of the sterilization box 2 is fixedly connected with an ozone generating device 4, the output port of the ozone generating device 4 is fixedly connected with the outer wall of the left side of the sterilization box 2, the outer wall of the output shaft of the stirring motor 3 is fixedly connected with a stirring blade 5, the outer part of the right side of the sterilization box 2 is fixedly connected with a connecting pipe 17, one end of the connecting pipe 17 far away from the sterilization box 2 is fixedly connected with the outer wall of the left side of the filter box 7, the, the inner walls of the left side and the right side of the filter box 7 are connected with clamping blocks 18 through bolts, a placing plate 10 is clamped between the two groups of clamping blocks 18, a filter plate 11 is clamped at the top of the placing plate 10, a clamping groove matched with the filter plate 11 is formed in the top of the placing plate 10, the filter plate 11 is an activated carbon filter plate, an electromagnetic valve 12 is fixedly connected with the outer wall of the right side of the filter box 7, a cavitation induction rotary vane 16 is arranged at the lower end of the hydrodynamic cavitation device 1, more than two cavitation ejectors 13 are uniformly arranged at the upper part of the hydrodynamic cavitation device 1, a crushing baffle 14 is respectively arranged in front of a nozzle 131 of each cavitation ejector 13, the crushing baffle 14 is fixed in the inner cavity of the hydrodynamic cavitation device 1 through a bracket 141, mixed liquid to be treated containing sludge is pumped into the more than two cavitation ejectors 13 to be subjected to primary cavitation treatment to form, and then secondary eddy cavitation is generated at the lower end of the hydrodynamic cavitation device 1 and is discharged through a water outlet 15, the water outlet 15 is arranged in the cavitation inducing rotary vane 16, the cavitation inducing rotary vane 16 can be matched with a narrowing structure at the lower end of the hydrodynamic cavitation device 1 to form secondary cavitation, so that large-particle sludge flocs and partial sludge cells in the mixed liquid are further crushed, the tail end of the crushing baffle 14 is fixedly connected with an upper bracket 142, and the lower bracket 143 supports the upper bracket 142 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 cavitation ejector 13 at high speed, generates cavitation action in the cavitation ejector 13, and realizes the first pretreatment of the sludge mixed liquid under the comprehensive action of the high-speed ejection impact crushing baffle 14 so as to break large-particle sludge flocs and provide enough pressure and flow ratio 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 13 is more fully treated, the one-time passing treatment efficiency of the sludge reducing machine on muddy water is improved, after preliminary cavitation, sewage subjected to cavitation is discharged into the sterilization box 2, the ozone generating device 4 is started, effluent ozone is used for performing sterilization treatment on the sewage in the sterilization box 2, after the sterilization treatment is finished, the water suction pump 6 is started, the sewage in the sterilization box 2 is discharged into the filter box 7, the purifying agent in the purifying agent placing box 8 is poured into the filter box 7, and the sewage is filtered through the filter plate 11. After filtering, the filtrate is discharged through the electromagnetic valve 12.

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 hydrodynamic cavitation sterilizing equipment for sewage treatment, includes hydrodynamic cavitation device (1), disinfect case (2), rose box (7) and lower carriage (143), its characterized in that: the device is characterized in that a sterilization box (2) is fixedly connected to the bottom of the hydraulic cavitation device (1), a stirring motor (3) is fixedly connected to the bottom of the sterilization box (2), an ozone generating device (4) is fixedly connected to the outer wall of the left side of the sterilization box (2), stirring blades (5) are fixedly connected to the outer wall of an output shaft of the stirring motor (3), a connecting pipe (17) is fixedly connected to the outer part of the right side of the sterilization box (2), a water suction pump (6) is fixedly connected to the outer wall of the connecting pipe (17), a purifying agent placing box (8) is fixedly connected to the top of the filter box (7), a sprayer (9) is fixedly connected to the bottom of the purifying agent placing box (8), clamping blocks (18) are bolted to the inner walls of the left side and the right side of the filter box (7), a placing plate (, the outer wall of the right side of the filter box (7) is fixedly connected with an electromagnetic valve (12).

2. The hydrodynamic cavitation sterilizer for sewage treatment as claimed in claim 1, wherein: the top of the placing plate (10) is provided with a clamping groove matched with the filter plate (11).

3. The hydrodynamic cavitation sterilizer for sewage treatment as claimed in claim 1, wherein: one end of the connecting pipe (17) far away from the sterilization box (2) is fixedly connected to the outer wall of the left side of the filter box (7).

4. The hydrodynamic cavitation sterilizer for sewage treatment as claimed in claim 1, wherein: the filter plate (11) is an activated carbon filter plate.

5. The hydrodynamic cavitation sterilizer for sewage treatment as claimed in claim 1, wherein: the output port of the ozone generating device (4) is fixedly connected with the outer wall of the left side of the sterilizing box (2).

6. The hydrodynamic cavitation sterilizer for sewage treatment as claimed in claim 1, wherein: the hydrodynamic cavitation device (1) is of an inverted conical funnel-shaped structure.

7. The hydrodynamic cavitation sterilizer for sewage treatment as claimed in claim 1, wherein: the lower end of the hydrodynamic cavitation device (1) is provided with a cavitation induction rotating vane (16), more than two cavitation ejectors (13) are uniformly arranged at the upper part of the hydrodynamic cavitation device (1), a crushing baffle (14) is respectively arranged in front of a nozzle (131) of each cavitation ejector (13), and the crushing baffle (14) is fixed in an inner cavity of the hydrodynamic cavitation device (1) through a support (141).

8. The hydrodynamic cavitation sterilizer for sewage treatment as claimed in claim 7, wherein: and a water outlet (15) is arranged in the cavitation induction rotary vane (16).

9. The hydrodynamic cavitation sterilizer for sewage treatment as claimed in claim 7, wherein: the tail end of the crushing baffle (14) is fixedly connected with an upper support (142), and the lower support (143) supports the upper support (142) and is connected with the hydrodynamic cavitation device (1).