CN220738047U - Defoaming agent spraying system of aeration tank - Google Patents
Defoaming agent spraying system of aeration tank Download PDFInfo
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- CN220738047U CN220738047U CN202322286602.5U CN202322286602U CN220738047U CN 220738047 U CN220738047 U CN 220738047U CN 202322286602 U CN202322286602 U CN 202322286602U CN 220738047 U CN220738047 U CN 220738047U
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- aeration tank
- spraying
- metering pump
- controller
- spray head
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- 238000005273 aeration Methods 0.000 title claims abstract description 72
- 238000005507 spraying Methods 0.000 title claims abstract description 63
- 239000002518 antifoaming agent Substances 0.000 title claims abstract description 34
- 238000012544 monitoring process Methods 0.000 claims abstract description 35
- 238000002347 injection Methods 0.000 claims abstract description 30
- 239000007924 injection Substances 0.000 claims abstract description 30
- 239000007921 spray Substances 0.000 claims description 45
- 239000013530 defoamer Substances 0.000 claims description 14
- 239000006260 foam Substances 0.000 abstract description 27
- 230000000694 effects Effects 0.000 abstract description 12
- 238000007689 inspection Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 7
- 230000002776 aggregation Effects 0.000 description 6
- 238000004220 aggregation Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Activated Sludge Processes (AREA)
Abstract
The utility model discloses an aeration tank defoaming agent spraying system, which comprises a spraying structure and a remote control structure, wherein the spraying structure comprises a container barrel, an injection metering pump and a spraying end of the spraying structure which are sequentially communicated, the remote control structure comprises a controller and a monitoring camera, the controller is electrically connected with the injection metering pump, the monitoring camera is electrically connected with a monitoring display, and the monitoring display and the controller are positioned in a control room; according to the utility model, a remote control structure is added on the basis of a conventional defoaming agent spraying system, the condition of foam generation on the surface of an aeration tank can be mastered in real time through a monitoring display, and the start and stop and the output flow of an injection metering pump are controlled remotely through a controller, so that the defoaming agent is sprayed, on-site inspection is not needed, and an operator does not need to throw the defoaming agent on site, the problem that the current defoaming agent spraying mode has a large requirement on manpower can be effectively solved, and the effects of convenient operation and manpower saving are achieved.
Description
Technical Field
The utility model belongs to the technical field of wastewater treatment, and particularly relates to an aeration tank defoamer spraying system.
Background
In the sewage treatment process, a large amount of foam is easy to generate on the surface of the aeration tank, so that the oxygenation efficiency of the aeration tank is reduced, the aeration effect is affected, and the water quality is deteriorated. For this reason, two methods are generally adopted to eliminate foam on the surface of the aeration tank, namely, a physical defoaming method is adopted, namely, the foam is impacted and broken by utilizing water flow sprayed at high speed, and solid impurities in the broken foam can resume sedimentation again, but the water consumption of the method is larger, and the defoaming effect is also poor; secondly, a chemical defoaming method, namely spraying a defoaming agent diluted by water to foam, is widely applied in the field of wastewater treatment due to small water consumption and good defoaming effect.
At present, two modes of spraying the defoaming agent are generally adopted for eliminating foam on the surface of the aeration tank, namely, manual spraying is adopted, namely, the condition that foam is generated on the surface of the aeration tank is inspected manually at regular time, when the foam affects the sewage treatment, a spraying tool is used for spraying the defoaming agent on the surface of the aeration tank manually, so that the operation is inconvenient, and the requirement on manpower is high; secondly, as disclosed in Chinese patent CN219326646U, the energy-saving efficient sewage defoaming system is provided with a circle of water distribution pipelines which encircle the aeration tank, spray heads which face the surface of the aeration tank are arranged on the water distribution pipelines at intervals, and the defoaming agent is sprayed to the aeration tank through the fixedly arranged spray heads, so that the problem of inconvenient manual spraying operation can be effectively solved, and the timing inspection is still needed manually to determine the time and the spraying dosage of the defoaming agent, so that the requirement on manpower is high; in addition, the foam is not uniformly distributed on the surface of the aeration tank under the influence of factors such as aeration, water flow size, self structure of the aeration tank and the like, the concentrated position of the foam can be transferred on the surface of the aeration tank due to the start-stop adjustment and water flow change of each aeration point, and the spraying area of the water distribution pipeline and the spray head combination is fixed, so that the whole surface of the aeration tank is generally covered to spray or the area where the foam is frequently generated is sprayed, the concentrated position of the foam is difficult to be sprayed in a targeted manner, a large amount of defoaming agent is required to be consumed for ensuring the whole defoaming effect, and secondary pollution is easy to cause to the water body.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide an aeration tank defoamer spraying system, which solves the technical problem that the current defoamer spraying mode has great requirement on manpower, and achieves the effects of convenient operation and labor saving.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the defoaming agent spraying system of the aeration tank comprises a spraying structure and a remote control structure, wherein the spraying structure comprises a container barrel for containing the defoaming agent, the container barrel is communicated with the inlet end of an injection metering pump through an input pipe, the outlet end of the injection metering pump is communicated with the spraying end of the spraying structure through an output pipe, and the spraying end is positioned above the aeration tank so as to spray the defoaming agent towards the surface of the aeration tank; the remote control structure comprises a controller and a monitoring camera for acquiring the surface picture of the aeration tank, wherein the monitoring camera is positioned above the aeration tank, the controller is connected with the injection metering pump in a control manner so as to control the start and stop and the output flow of the injection metering pump, the monitoring camera is electrically connected with a monitoring display, and the monitoring display and the controller are positioned in a control room.
Further, the controller comprises a control switch and a PLC (programmable logic controller), the PLC is electrically connected with the injection metering pump, and the control switch is electrically connected with the PLC so as to control the start and stop of the injection metering pump and the output flow through the PLC.
Further, a circle of guardrail is arranged on the tank bank of the aeration tank in a surrounding manner, the injection metering pump is positioned in a mounting box fixed on the guardrail, and the container barrel is positioned on the tank bank and is arranged close to the mounting box.
Further, the spraying end is located right above the center of the aeration tank, the spraying end comprises a horizontally arranged mounting plate, a plurality of swinging parts are hinged below the mounting plate, the swinging parts are circumferentially distributed and evenly arranged at intervals, a spray head is mounted on each swinging part, the inlet end of the spray head is communicated with the output pipe, an electric control valve is connected between the inlet end of each spray head and the output pipe, the spray nozzle of the spray head is arranged outwards, an electric push rod is arranged on the inner side of the spray head, the fixed end of the electric push rod is hinged with the mounting plate, and the telescopic end of the electric push rod is hinged with the spray head so as to drive the spray head to swing inwards and outwards; the electric control valve and the electric push rod are electrically connected with the controller.
Further, the lower surface of the mounting plate is provided with a mounting part in a protruding mode on the inner side of the spray head, the electric push rod is arranged between the spray head and the mounting part, and the fixed end of the electric push rod is hinged with the mounting part.
Further, the spraying structure further comprises a supporting structure, the supporting structure comprises a vertical rod arranged on the tank bank of the aeration tank, the upper end of the vertical rod is connected with a cross rod extending to the position right above the center of the aeration tank, and the mounting plate is positioned below the cross rod and fixedly connected with the cross rod.
Further, the monitoring camera is a panoramic camera, and the monitoring camera is located on the cross rod.
Further, a booster pump is arranged on the output pipe.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the aeration Chi Xiaopao agent spraying system, a remote control structure is added on the basis of a conventional defoaming agent spraying system, an operator can master the condition of foam generated on the surface of an aeration tank in real time only by monitoring a display in a control room, and can remotely control the start and stop and the output flow of an injection metering pump through a controller, so that the defoaming agent is sprayed, the operator does not need to regularly patrol on site, and the operator does not need to throw the defoaming agent on site, so that the problem that the manpower demand is high in the current defoaming agent spraying mode can be effectively solved, and the effects of convenience in operation and manpower saving are achieved;
2. according to the aeration Chi Xiaopao agent spraying system, the control room can be an original monitoring room of a sewage treatment plant, so that the utilization efficiency of personnel is improved, and the requirement on manpower is further reduced; the aeration Chi Xiaopao agent spraying system can realize remote control, and after the device is used, personnel are not required to throw the defoaming agent on site, and the control room operators operate the device, so that the manpower demand can be reduced, the cost is saved, the burden of first-line personnel is effectively reduced, and related structures are simple and easy to install, convenient to use and low in cost.
3. According to the aeration Chi Xiaopao agent spraying system, an operator can grasp the position of foam aggregation on the surface of the aeration tank according to the picture of the surface of the aeration tank transmitted back to the monitoring display by the monitoring camera, and further control the opening of an electric control valve corresponding to the foam aggregation position by the controller on the basis of controlling the start and stop and the output flow of the injection metering pump by the controller, and control the action of the electric push rod by the controller so that the nozzle of the spray head is opposite to the foam aggregation position, thereby realizing targeted and focused spraying on the position where a large amount of foam is concentrated, being beneficial to reducing the consumption of the foam killer and avoiding secondary pollution to water body on the premise of guaranteeing the defoaming effect.
Drawings
FIG. 1 is a schematic diagram of an aeration tank defoamer spraying system according to an embodiment;
FIG. 2 is a top view of an aeration tank defoamer spray system of an embodiment;
FIG. 3 is a front view of an aeration tank defoamer spraying system of an embodiment;
FIG. 4 is an enlarged schematic view of FIG. 3 at A;
wherein, aeration tank 1, container bucket 2, spray end 3, surveillance camera head 4, guardrail 5, mounting box 6, mounting panel 7, universal rotary joint 8, shower nozzle 9, nozzle 10, electric putter 11, installation department 12, montant 13, horizontal pole 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
referring to fig. 1, an aeration tank defoaming agent spraying system comprises a spraying structure and a remote control structure, wherein the spraying structure comprises a container barrel 2 for containing defoaming agent, the container barrel 2 is communicated with an inlet end of an injection metering pump through an input pipe, an outlet end of the injection metering pump is communicated with a spraying end 3 of the spraying structure through an output pipe (not shown in the figure), and the spraying end 3 can spray the defoaming agent towards the surface of an aeration tank 1; the remote control structure comprises a controller and a monitoring camera 4 capable of acquiring the surface picture of the aeration tank 1, wherein the controller is electrically connected with the injection metering pump and can control the start and stop and the output flow of the injection metering pump, the monitoring camera 4 is electrically connected with a monitoring display, and the monitoring display and the controller are positioned in a control room (not shown in the figure).
According to the aeration Chi Xiaopao agent spraying system, a remote control structure is added on the basis of a conventional defoaming agent spraying system, an operator can master the condition of foam generation on the surface of the aeration tank 1 in real time only by monitoring a display in a control room, and can remotely control the start and stop and the output flow of an injection metering pump through a controller, so that the defoaming agent is sprayed, regular inspection is not needed, the operator does not need to throw the defoaming agent on site, the problem that the manpower demand is high in the current defoaming agent spraying mode is effectively solved, and the effects of convenience in operation and manpower saving are achieved;
when the intelligent control method is implemented, the intelligent control can be adopted, namely the monitoring camera 4 is directly connected with the controller, the controller runs an algorithm, the situation of foam generation on the surface of the aeration tank 1 is directly mastered in real time through the picture captured by the monitoring camera 4, and the start, stop and output flow of the injection metering pump are correspondingly controlled; however, the algorithm and hardware have higher cost, the accuracy of algorithm control is not as high as that of manual control, in addition, considering that a monitoring room is arranged in the sewage treatment plant, the original monitoring room of the sewage treatment plant is directly used as the control room, so that the utilization efficiency of personnel is improved, and the requirement on manpower is further reduced;
the aeration Chi Xiaopao agent spraying system can realize remote control, and after the device is used, personnel are not required to throw the defoaming agent on site, and the control room operators operate the device, so that the manpower demand can be reduced, the cost is saved, the burden of first-line personnel is effectively reduced, and related structures are simple and easy to install, convenient to use and low in cost.
In this embodiment, the controller includes a control switch and a PLC programmable logic controller, where the PLC programmable logic controller is electrically connected to the injection metering pump, and the control switch is electrically connected to the PLC programmable logic controller and is capable of controlling the start, stop and output flow of the injection metering pump through the PLC programmable logic controller; the control switch comprises a button switch for controlling the start and stop of the injection metering pump and a knob switch for regulating the output flow.
Referring to fig. 2 and 3, a ring of guard bars 5 is arranged around the pond bank of the aeration tank 1, the injection metering pump is positioned in a mounting box 6 fixed on the guard bars 5, and the container barrel 2 is positioned on the pond bank and is arranged close to the mounting box 6.
Referring to fig. 2, 3 and 4, the spraying end 3 is located right above the center of the aeration tank 1, the spraying end 3 includes a horizontally disposed mounting plate 7, a plurality of universal rotary joints 8 are installed below the mounting plate 7, the plurality of universal rotary joints 8 are circumferentially distributed and uniformly spaced, an inlet end of each universal rotary joint 8 is communicated with the output pipe, and an electric control valve (not shown in the figure) is connected between an inlet end of each universal rotary joint 8 and the output pipe; the outlet end of the universal rotary joint 8 faces downwards and is connected with a spray head 9, a spray nozzle 10 of the spray head 9 is positioned in the radial direction distributed on the circumference and is arranged outwards, an electric push rod 11 is arranged on the inner side of the spray head 9, the fixed end of the electric push rod 11 is hinged with the mounting plate 7, and the telescopic end of the electric push rod 11 is hinged with the spray head 9 and can drive the spray head 9 to swing inwards and outwards; wherein, the lower surface of the mounting plate 7 is provided with a mounting part 12 protruding from the inner side of the spray head 9, the electric push rod 11 is arranged between the spray head 9 and the mounting part 12 along the radial direction of the circumferential distribution, and the fixed end of the electric push rod 11 is hinged with the mounting part 12; the electric control valve and the electric push rod 11 are electrically connected with the controller; wherein, spray structure still includes bearing structure, and bearing structure is including locating the on-shore montant 13 in pond of aeration tank 1, and montant 13 upper end is connected with and extends to the horizontal pole 14 directly over the aeration tank 1 center, and mounting panel 7 is located horizontal pole 14 below and fixed connection.
In this way, an operator can grasp the position of foam aggregation on the surface of the aeration tank 1 according to the picture of the surface of the aeration tank 1 transmitted back to the monitoring display by the monitoring camera 4, further control the opening of an electric control valve corresponding to the foam aggregation position by the controller on the basis of controlling the start and stop and the output flow of the injection metering pump by the controller, and control the action of the electric push rod 11 by the controller so that the nozzle 10 of the spray head 9 is opposite to the foam aggregation position, thereby realizing targeted and concentrated spraying on a large number of positions of the foam, being beneficial to reducing consumption of the defoaming agent and avoiding secondary pollution to water body on the premise of ensuring the defoaming effect;
in addition, because the positions where the foam gathers may be multiple places or the areas are larger, more than two spray heads 9 are used for spraying each time, a booster pump (not shown in the figure) is further arranged on the output pipe so as to ensure the pressure for conveying the defoaming agent, and the defoaming agent can be sprayed at a high speed to strike the foam and also have the same effect as a physical defoaming method, so that the physical defoaming method and the chemical defoaming method are fused, and the defoaming effect is improved;
in order to obtain the picture on the surface of the whole aeration tank 1 conveniently, the monitoring camera 4 is a panoramic camera, the monitoring camera 4 is positioned on the cross bar 14 and is positioned right above the mounting plate 7, and when the method is implemented, the control switch also comprises a plurality of button switches for controlling the opening and closing of the electric control valve and a plurality of button switches for controlling the telescopic length of the electric push rod 11, the button switches are in one-to-one correspondence with the electric control valves, and the button switches are in one-to-one correspondence with the electric push rod 11; in practice, for convenience of operation, a label indicating a direction or an orientation may be attached to a plurality of push-button switches for controlling opening and closing of the electrically-operated control valve according to the orientation of the nozzle 10 on the corresponding head 9.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the technical solution, and those skilled in the art should understand that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the present utility model, and all such modifications and equivalents are included in the scope of the claims.
Claims (8)
1. An aeration tank defoamer spraying system, which is characterized in that: the device comprises a spraying structure and a remote control structure, wherein the spraying structure comprises a container barrel for containing the defoaming agent, the container barrel is communicated with the inlet end of an injection metering pump through an input pipe, the outlet end of the injection metering pump is communicated with the spraying end of the spraying structure through an output pipe, and the spraying end is positioned above an aeration tank so as to spray the defoaming agent towards the surface of the aeration tank; the remote control structure comprises a controller and a monitoring camera for acquiring the surface picture of the aeration tank, the monitoring camera is positioned above the aeration tank, the controller is controlled and connected with the injection metering pump so as to control the start and stop and the output flow of the injection metering pump, and the monitoring camera is electrically connected with the monitoring display.
2. An aeration tank defoamer spraying system according to claim 1, wherein: the controller comprises a control switch and a PLC (programmable logic controller), the PLC is electrically connected with the injection metering pump, and the control switch is electrically connected with the PLC so as to control the start and stop and the output flow of the injection metering pump through the PLC.
3. An aeration tank defoamer spraying system according to claim 1, wherein: a circle of guardrail is arranged on the tank bank of the aeration tank in a surrounding manner, the injection metering pump is positioned in a mounting box fixed on the guardrail, and the container barrel is positioned on the tank bank and is arranged close to the mounting box.
4. An aeration tank defoamer spraying system according to claim 1, wherein: the spraying end is positioned right above the center of the aeration tank and comprises a horizontally arranged mounting plate, a plurality of swinging parts are hinged below the mounting plate, the swinging parts are circumferentially distributed and uniformly arranged at intervals, a spray head is mounted on each swinging part, the inlet end of the spray head is communicated with the output pipe, an electric control valve is connected between the inlet end of each spray head and the output pipe, the spray nozzle of the spray head is arranged outwards, an electric push rod is arranged on the inner side of the spray head, the fixed end of the electric push rod is hinged with the mounting plate, and the telescopic end of the electric push rod is hinged with the spray head so as to drive the spray head to swing inwards and outwards; the electric control valve and the electric push rod are electrically connected with the controller.
5. An aeration tank defoamer spray system as recited in claim 4, further comprising: the lower surface of the mounting plate is provided with a mounting part in a protruding mode on the inner side of the spray head, the electric push rod is arranged between the spray head and the mounting part, and the fixed end of the electric push rod is hinged with the mounting part.
6. An aeration tank defoamer spray system as recited in claim 4, further comprising: the spraying structure further comprises a supporting structure, the supporting structure comprises a vertical rod arranged on the tank bank of the aeration tank, the upper end of the vertical rod is connected with a cross rod extending to the position right above the center of the aeration tank, and the mounting plate is positioned below the cross rod and fixedly connected with the cross rod.
7. An aeration tank defoamer spray system as recited in claim 6, further comprising: the monitoring camera is a panoramic camera, and the monitoring camera is located on the cross rod.
8. An aeration tank defoamer spray system as recited in claim 4, further comprising: the output pipe is also provided with a booster pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322286602.5U CN220738047U (en) | 2023-08-24 | 2023-08-24 | Defoaming agent spraying system of aeration tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322286602.5U CN220738047U (en) | 2023-08-24 | 2023-08-24 | Defoaming agent spraying system of aeration tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220738047U true CN220738047U (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322286602.5U Active CN220738047U (en) | 2023-08-24 | 2023-08-24 | Defoaming agent spraying system of aeration tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220738047U (en) |
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2023
- 2023-08-24 CN CN202322286602.5U patent/CN220738047U/en active Active
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