CN217458894U - Drainage outlet defoaming structure - Google Patents
Drainage outlet defoaming structure Download PDFInfo
- Publication number
- CN217458894U CN217458894U CN202220630409.1U CN202220630409U CN217458894U CN 217458894 U CN217458894 U CN 217458894U CN 202220630409 U CN202220630409 U CN 202220630409U CN 217458894 U CN217458894 U CN 217458894U
- Authority
- CN
- China
- Prior art keywords
- piston body
- cylinder body
- water
- containing cavity
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Physical Water Treatments (AREA)
Abstract
The utility model relates to the technical field of sewage treatment, and discloses a defoaming structure for a water outlet, which comprises a cylinder body with openings at two ends, wherein a first piston body is arranged at the first end of the cylinder body in a sliding fit manner, and a water inlet is arranged on the side wall of the first end of the cylinder body; the second end of the cylinder body is provided with a second piston body in a sliding fit manner, and the side wall of the second end of the cylinder body is provided with a water outlet; the cylinder body, the first piston body and the second piston body form a water containing cavity with variable volume, the first piston body can enable the water inlet to be communicated or disconnected with the water containing cavity under the driving of the first driving mechanism, and the second piston body can enable the water outlet to be communicated or disconnected with the water containing cavity under the driving of the second driving mechanism; the stroke of the second piston body is larger than that of the first piston body, and when the second piston body is closest to the first end of the cylinder body, the distance between the second piston body and the first end of the cylinder body is smaller than that between the water outlet and the first end of the cylinder body. The device can eliminate the foam in small, broken bits in the sewage treatment middle water, improves the defoaming effect.
Description
Technical Field
The utility model relates to a sewage treatment technical field, in particular to outlet defoaming structure.
Background
In the sewage treatment process, because the fluctuation of the content of the sewage carried by the upstream sewage affects the treatment process, the intermediate product water body often carries foam and floats above the water body, so that the medicine put in the subsequent treatment process cannot be effectively mixed with the water body, and the sewage treatment efficiency and the treatment quality are affected.
In order to remove the foam on the upper layer of the water body in the sewage treatment process, defoaming agents are usually added into the water body in the prior art, which can effectively remove the foam in the water body, but also introduce new pollutants into the water body, are not beneficial to environmental protection and are gradually eliminated. The existing mechanical defoaming structure is characterized in that except for a conventional foam interception plate, foam is usually crushed by a stirring paddle rotating at a high speed, but the foam is usually effectively crushed by matching with a tank body, so that the foam cannot continuously work, and the mechanical defoaming structure has a limited effect on fine and broken foam with a small diameter and cannot play a good eliminating role.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the utility model aims at providing a discharge outlet defoaming structure for eliminate the foam in small, broken bits in the middle of sewage treatment in water, in order to improve sewage treatment efficiency.
In order to achieve the above object, the present invention is realized by the following technical solutions:
a defoaming structure for a water outlet comprises a cylinder body with openings at two ends, wherein a first piston body is arranged at the first end of the cylinder body in a sliding fit manner, and a water inlet is formed in the side wall of the first end of the cylinder body; a second piston body is arranged at the second end of the cylinder body in a sliding fit manner, and a water outlet is formed in the side wall of the second end of the cylinder body; the cylinder body, the first piston body and the second piston body form a water containing cavity with variable volume, the first piston body can enable the water inlet to be communicated or disconnected with the water containing cavity under the driving of the first driving mechanism, and the second piston body can enable the water outlet to be communicated or disconnected with the water containing cavity under the driving of the second driving mechanism; the stroke of the second piston body is larger than that of the first piston body, and when the second piston body is closest to the first end of the cylinder body, the distance between the second piston body and the first end of the cylinder body is smaller than that between the water outlet and the first end of the cylinder body.
This device sets up in higher level sewage treatment pond to the outlet of subordinate sewage treatment pond drainage usefulness for foam in the elimination sewage also can cooperate other defoaming structures in order to realize better defoaming effect.
When the device works, the three steps of water receiving, defoaming and water discharging are sequentially divided, when water is received, the first piston body and the second piston body are both positioned at the position closest to the first end of the cylinder body, at the moment, the water inlet is communicated with the water containing cavity, the water outlet is disconnected with the water containing cavity, and sewage to be defoamed enters the water containing cavity from the water inlet; after a certain amount of sewage to be defoamed is received, the first piston body and the second piston body simultaneously move towards the second end of the cylinder body, the first piston body stops moving after the water inlet is blocked, at the moment, the second piston body is away from the water outlet by a certain distance, the water containing cavity is not communicated with the water outlet, the second piston body continues to move towards the second end, the distance between the first piston body and the second piston body is increased, so that the volume of the water containing cavity is increased, the pressure in the water containing cavity is reduced, the pressure in the foam is higher than the pressure outside, and the foam expands and breaks under the driving of the internal and external differential pressure, so that defoaming action is completed; the second piston body continues to move to a position closest to the second end of the cylinder body, so that the water containing cavity is communicated with the water outlet, and the defoamed sewage is discharged from the water outlet. And then the first piston body and the second piston body respectively move to the positions closest to the first end of the cylinder body, and the cylinder body enters a water receiving state again, and the steps are circulated, so that continuous defoaming operation can be realized.
It should be noted that, the sewage enters and exits the cylinder body by the conventional means in the art, for example, the water inlet is arranged at the higher part of the cylinder body, the water outlet is arranged at the lower part of the cylinder body, the sewage flows by gravity, and a water pump can be additionally arranged at the upstream of the water inlet to improve the water inlet efficiency.
Furthermore, the second end of the cylinder body is provided with an air inlet pipe and an air outlet pipe, the air inlet pipe is provided with a one-way air inlet valve, the one-way air inlet valve can only allow gas to enter the water containing cavity from the outside of the cylinder body, the air outlet pipe is provided with a one-way air outlet valve, and the one-way air outlet valve can only allow gas to be discharged from the water containing cavity to the outside of the cylinder body; and the second piston body is provided with an air passage for communicating the water containing cavity with the air inlet pipe or the air outlet pipe, and when the first piston body is closest to the first end of the cylinder body, the air passage communicates the water containing cavity with the air outlet pipe and the second piston body is farthest from the first end of the cylinder body, and the air passage communicates the water containing cavity with the air inlet pipe.
The arrangement ensures that the water inlet and the water outlet of the water containing cavity can be communicated with the external atmosphere so as to prevent the over-slow water inlet and water outlet speed caused by the pressure difference between the inside and the outside of the cylinder body.
The utility model discloses in, the first actuating mechanism of drive first piston body motion and the second actuating mechanism of drive second piston body motion can adopt the conventional setting in this field, and is preferred, first actuating mechanism and second actuating mechanism are the pneumatic cylinder, and is preferred, and the axis of pneumatic cylinder coincides with the axis of cylinder body to better drive corresponds ground piston body motion.
The utility model discloses in still including other subassemblies that can make this defoaming structure normal use, all belong to the conventional selection in this field. Additionally, the utility model discloses in all adopt the conventional means in this field with the device or the subassembly of injecing, for example, cylinder body, first piston body, second piston body, intake pipe, outlet duct, one-way admission valve, one-way air outlet valve and pneumatic cylinder etc. all adopt conventional setting.
Compared with the prior art, the beneficial effects of the utility model are that:
this device utilizes the appearance water cavity volume that first piston body and second piston body caused when the motion in the cylinder body to change and eliminates the foam in the sewage, and the device can eliminate the foam in small, broken bits in the middle water of sewage treatment, improves the defoaming effect of defoaming structure.
Drawings
Fig. 1 is a schematic structural view (water receiving state) of a defoaming structure of a drain port in an embodiment;
FIG. 2 is a schematic structural diagram of a defoaming structure of a water discharge opening in an embodiment (defoaming state);
fig. 3 is a schematic structural diagram (drainage state) of a defoaming structure of a drainage port in an embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and it is obvious that the described embodiments are only 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 work all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description, and do not indicate or limit that the indicated device or element must be constructed and operated in a specific orientation.
Examples
As shown in fig. 1-3, a defoaming structure for a drainage port comprises a cylinder body 1 with two open ends, the cylinder body 1 is horizontally arranged, the right end of the cylinder body 1 is a first end, the left end of the cylinder body 1 is a second end, a first piston body 2 driven by a first hydraulic cylinder 7 is arranged at the right end of the cylinder body 1 in a sliding fit manner, and a water inlet 3 is arranged on the side wall of the right end of the cylinder body 1; the left end of the cylinder body 1 is provided with a second piston body 4 driven by a second hydraulic cylinder 8 in a sliding fit manner, and the side wall of the left end of the cylinder body 1 is provided with a water outlet 5; the cylinder body 1, the first piston body 2 and the second piston body 4 form a water containing cavity 6 with variable volume, the first piston body 2 can enable the water inlet 3 to be communicated with or disconnected from the water containing cavity 6 under the driving of the first hydraulic cylinder 7, and the second piston body 4 can enable the water outlet 5 to be communicated with or disconnected from the water containing cavity 6 under the driving of the second hydraulic cylinder 8; the stroke of the second piston body 4 is greater than that of the first piston body 2, and when the second piston body 4 is closest to the right end of the cylinder body 1, the distance between the second piston body 4 and the right end of the cylinder body 1 is smaller than that between the water outlet 5 and the right end of the cylinder body 1.
The left end of the cylinder body 1 is provided with an air inlet pipe 9 and an air outlet pipe 10, the air inlet pipe 9 is provided with a one-way air inlet valve 11, the one-way air inlet valve 11 can only allow gas to enter the air inlet pipe 9 from the outside of the cylinder body 1, the air outlet pipe 10 is provided with a one-way air outlet valve 12, and the one-way air outlet valve 12 can only allow gas to be discharged from the air outlet pipe 10 to the outside of the cylinder body 1; an air passage for communicating the water containing cavity 6 with the air inlet pipe 9 or the air outlet pipe 10 is arranged on the second piston body 4, when the first piston body 2 is closest to the right end of the cylinder body 1, the air passage 13 is communicated with the water containing cavity 6 and the air outlet pipe 10, and when the second piston body 4 is farthest from the right end of the cylinder body 1, the air passage 13 is communicated with the water containing cavity 6 and the air inlet pipe 9.
The utility model discloses a theory of operation:
when the device works, the three steps of water receiving, defoaming and water discharging are sequentially divided, when water is received, the first piston body 2 and the second piston body 4 are both positioned at the position closest to the right end of the cylinder body 1, at the moment, the water inlet 3 is communicated with the water containing cavity 6, the water outlet 5 is disconnected with the water containing cavity 6, and sewage to be defoamed enters the water containing cavity 6 from the water inlet 3; after a certain amount of sewage to be defoamed is received, the first piston body 2 and the second piston body 4 simultaneously move towards the left end direction of the cylinder body 1, the first piston body 2 stops moving after the water inlet 3 is blocked, at the moment, the second piston body 4 is away from the water outlet 5 by a certain distance, the water containing cavity 6 is not communicated with the water outlet 5, the second piston body 4 continues to move towards the left end, the distance between the first piston body 2 and the second piston body 4 is increased, so that the volume of the water containing cavity 6 is increased, the pressure in the water containing cavity 6 is reduced, so that the pressure inside the foam is greater than the pressure outside, the foam expands and breaks under the driving of the internal and external pressure difference, and defoaming action is completed; the second piston body 4 continues to move to the position closest to the left end of the cylinder body 1, so that the water containing cavity 6 is communicated with the water outlet 5, and the defoamed sewage is discharged from the water outlet 5. And then the first piston body 2 and the second piston body 4 are respectively moved to the positions closest to the right end of the cylinder body 1 and then enter a water receiving state again, and the steps are circulated, so that continuous defoaming operation can be realized.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (3)
1. A defoaming structure for a water outlet is characterized by comprising a cylinder body with openings at two ends, wherein a first piston body is arranged at the first end of the cylinder body in a sliding fit manner, and a water inlet is formed in the side wall of the first end of the cylinder body; the second end of the cylinder body is provided with a second piston body in a sliding fit manner, and the side wall of the second end of the cylinder body is provided with a water outlet; the cylinder body, the first piston body and the second piston body form a water containing cavity with variable volume, the first piston body can enable the water inlet to be communicated or disconnected with the water containing cavity under the driving of the first driving mechanism, and the second piston body can enable the water outlet to be communicated or disconnected with the water containing cavity under the driving of the second driving mechanism; the stroke of the second piston body is larger than that of the first piston body, and when the second piston body is closest to the first end of the cylinder body, the distance between the second piston body and the first end of the cylinder body is smaller than that between the water outlet and the first end of the cylinder body.
2. The defoaming structure for a water discharge port according to claim 1, wherein an air inlet pipe and an air outlet pipe are arranged at the second end of the cylinder body, a one-way air inlet valve is arranged on the air inlet pipe, a one-way air outlet valve is arranged on the air outlet pipe, an air passage for communicating the water containing cavity with the air inlet pipe or the air outlet pipe is arranged on the second piston body, and when the first piston body is closest to the first end of the cylinder body and the air passage communicates the water containing cavity with the air outlet pipe and the air passage communicates the water containing cavity with the air inlet pipe when the second piston body is farthest from the first end of the cylinder body.
3. A drain opening defoaming structure in accordance with any one of claims 1 or 2, wherein said first and second driving mechanisms are hydraulic cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220630409.1U CN217458894U (en) | 2022-03-22 | 2022-03-22 | Drainage outlet defoaming structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220630409.1U CN217458894U (en) | 2022-03-22 | 2022-03-22 | Drainage outlet defoaming structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217458894U true CN217458894U (en) | 2022-09-20 |
Family
ID=83266619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220630409.1U Active CN217458894U (en) | 2022-03-22 | 2022-03-22 | Drainage outlet defoaming structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217458894U (en) |
-
2022
- 2022-03-22 CN CN202220630409.1U patent/CN217458894U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108545844A (en) | A kind of energy-efficient multiple aerating system and its method of sewage disposal | |
| CN87213415U (en) | Series/parallel self-priming type centrifugal pump | |
| CN112762358A (en) | Multiphase flow mixing and conveying device | |
| CN115159673A (en) | MBR integral type sewage aeration treatment device | |
| CN217458894U (en) | Drainage outlet defoaming structure | |
| CN114751532B (en) | Oxygenation type aeration equipment for sewage treatment and method thereof | |
| CN101025151A (en) | Pneumatic double diaphragm pump | |
| CN206843195U (en) | A kind of aerator of sewage disposal | |
| CN201187455Y (en) | Centrifugal pump hydraulic model with small diameter and high lift | |
| US4701108A (en) | Variable volume ejector with motive fluid pulser | |
| CN215486625U (en) | Self-priming pump body structure | |
| CN214171959U (en) | Multiphase flow mixing and conveying device | |
| CN214218372U (en) | Be used for titanium white powder preparation sewage treatment filter-pressing system | |
| CN1109561A (en) | Pneumatic pump and its pneumatic liquid pump | |
| CN213286367U (en) | Self-suction air type desulfurization solution regeneration tank adopting chemical desulfurization method | |
| CN111473004B (en) | High-lift pump | |
| CN215521294U (en) | Vertical self-priming centrifugal pump | |
| CN209178095U (en) | Efficient jet aerator | |
| CN111706506A (en) | Pneumatic driven liquid flowing device for pneumatic liquid conveying mechanism | |
| CN214619051U (en) | Multiphase flow mixing and conveying device | |
| CN201496238U (en) | Novel pneumatic double diaphragm pump used in chemical industry | |
| CN218552487U (en) | Water pump device of tooth flushing device | |
| CN218717488U (en) | Water circulation vacuum extractor of raw liquid barrel for bath lotion | |
| CN217430903U (en) | Device for eliminating viscous liquid bubbles with acceleration | |
| CN220664963U (en) | Sewage treatment air floatation machine in ginseng extraction process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |