CN113565788A - Submerged fan system and control method thereof - Google Patents
Submerged fan system and control method thereof Download PDFInfo
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- CN113565788A CN113565788A CN202110882529.0A CN202110882529A CN113565788A CN 113565788 A CN113565788 A CN 113565788A CN 202110882529 A CN202110882529 A CN 202110882529A CN 113565788 A CN113565788 A CN 113565788A
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- submerged
- fan
- submerged fan
- noise
- motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/006—Regulation methods for biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a submerged fan system and a control method thereof, belonging to the technical field of fans, wherein the submerged fan system comprises: the controller is respectively electrically connected with a motor of the submerged fan and the noise detection device, and after receiving noise information of the noise detection device, the controller controls the rotating speed of the motor of the submerged fan according to the noise information; according to the submerged fan system, the rotating speed of the motor of the submerged fan is controlled through the controller, and the noise in the set range around the submerged fan is detected through the noise detection device, so that the noise generated by the operation of the submerged fan can be accurately controlled, when the surrounding environment is quite, the noise generated by the operation of the submerged fan can be reduced by reducing the rotating speed of the motor of the submerged fan, and the influence on the working life of people is reduced.
Description
Technical Field
The invention relates to the technical field of fans, in particular to a submerged fan system and a control method thereof.
Background
The submerged fan is also called a submerged blower and an underwater fan, and is mainly used for municipal river treatment and aeration for biological bacteria in sewage treatment.
Chinese patent document CN205803097U discloses a submersible microbial cycle reaction system, in which a submerged blower is arranged in water, an air outlet of the submerged blower is communicated with an aeration disc through an air pipe, and aeration is performed toward the water body through the aeration disc.
However, the submerged blower is installed in water to reduce noise to some extent, but it may affect people's life if the environment is relatively quiet.
Disclosure of Invention
Therefore, the invention aims to overcome the defect that when the submerged fan in the prior art is used in a place close to the production and life of people and the external environment is relatively quiet, the operation of the submerged fan causes troubles to the work and life of people, and provides the submerged fan system and the control method thereof.
In order to solve the above technical problem, the present invention provides a submerged fan system, comprising:
the submerged fan is provided with an air inlet pipeline and an air outlet pipeline, the air inlet pipeline and the air outlet pipeline are respectively provided with a part which extends upwards to the position above the water surface, the air outlet pipeline extends to the position above the water surface and then extends into a water body to be treated, and the outlet of the air outlet pipeline is provided with a plurality of air through holes;
the noise detection device is arranged in a range of a set distance from the submerged fan and is used for detecting the noise around the submerged fan;
and the controller is respectively electrically connected with the motor of the submerged fan and the noise detection device, and controls the rotating speed of the motor of the submerged fan according to the noise information after receiving the noise information of the noise detection device.
Optionally, a silencer is arranged on an underwater part of the air inlet pipeline of the submerged fan.
Optionally, a silencer is arranged on an underwater part of the air outlet pipeline of the submerged fan.
Optionally, the motor of the submerged fan is vertically arranged above the fan body.
Optionally, the air inlet duct and the air outlet duct extend upwards from two sides of the motor respectively.
Optionally, the air inlet pipeline and the air outlet pipeline are fixedly connected above the water surface through a support respectively.
Optionally, three supporting legs for supporting are arranged below the fan body of the submerged fan.
Optionally, the bottom of the support leg is provided with a rubber pad.
The invention also provides a control method of the submerged fan system in any one of the above schemes, which comprises the following steps:
the controller controls the rotating speed of a motor of the submerged fan according to the noise curve;
the noise detection device detects noise around the operating submerged fan and transmits noise information to the controller;
the controller controls the rotating speed of the motor of the submerged fan according to the received noise information, so that the noise generated by the operation of the submerged fan is controlled within the noise curve range.
Optionally, the noise curve is a 24 hour ambient noise curve when no submerged fan is involved.
The technical scheme of the invention has the following advantages:
1. according to the submerged fan system, the rotating speed of the motor of the submerged fan is controlled through the controller, and the noise in the set range around the submerged fan is detected through the noise detection device, so that the noise generated by the operation of the submerged fan can be accurately controlled, when the surrounding environment is quite, the rotating speed of the motor of the submerged fan can be reduced, the noise generated by the operation of the submerged fan is reduced, and the influence on the working life of people is reduced.
2. According to the control method of the submerged fan system, the controller controls the rotating speed of the motor of the submerged fan according to the noise curve, and retrieves the noise generated by the submerged fan to the periphery in real time through the noise detection device, so that the rotating speed of the motor of the submerged fan is adjusted in time, the noise generated when the submerged fan operates is in a controllable range, and the trouble brought to the work and life of people is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a layout view of an embodiment of a submerged fan system of the present invention.
Fig. 2 is a front view of the submerged fan.
Fig. 3 is a schematic view of a control noise curve of the underwater fan of the present invention.
Description of reference numerals:
1. a submerged fan; 2. a noise detection device; 3. a controller; 4. an air inlet pipeline; 5. an air outlet pipeline; 6. a one-way valve; 7. a muffler; 8. a support leg; 9. and a pressure gauge.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The submerged fan system that this embodiment provided for near sewage treatment of residential quarter, school or hospital etc..
As shown in fig. 1, a specific implementation manner of the submerged fan system provided in this embodiment includes: the submerged fan comprises a submerged fan 1, wherein a noise detection device 2 is arranged in a set distance range of the submerged fan 1, and the noise detection device 2 is used for detecting noise around the submerged fan 1 and specifically can be a decibel detector. The set distance is determined according to the actual situation of the site, and specifically can be within the range of 5 meters to 20 meters. Further comprising: and the controller 3 is respectively electrically connected with the motor of the submerged fan 1 and the noise detection device 2, and after receiving the noise information of the noise detection device 2, the controller 3 controls the rotating speed of the motor of the submerged fan 1 according to the noise information.
The submerged fan system that this embodiment provided, the rotational speed of motor through controller 3 control submerged fan 1, noise through noise detection device 2 to set for the within range around submerged fan 1 detects, thereby can accurately control the noise size that submerged fan 1 operation produced, thereby when the surrounding environment is comparatively quiet, the accessible reduces the rotational speed of submerged fan 1's motor, the noise that produces when coming less submerged fan 1 operation, thereby reduce the influence to people's life.
As shown in fig. 2, the submerged fan 1 has an air inlet duct 4 and an air outlet duct 5, and the air inlet duct 4 and the air outlet duct 5 respectively have a portion extending upward above the water surface; wherein the air outlet pipeline 5 extends to the water surface and then extends into the water body to be treated, the outlet of the air outlet pipeline 5 is provided with a plurality of air through holes, and the air through holes are used for dispersed exhaust, so that more air can be dissolved into the water body. And a one-way valve 6 communicated towards the direction of the water body to be treated is arranged on a pipe section of the air outlet pipeline 5 above the water surface. In addition, as an alternative embodiment, the check valve 6 may be omitted, or replaced with another valve, such as a solenoid valve or the like.
As shown in fig. 2, on the pipe section of the air outlet pipeline 5 extending out of the water surface, a pressure gauge 9 is arranged, the pressure gauge 9 is electrically connected with the controller 3, the outlet air pressure of the submerged fan 1 can be transmitted to the controller 3 in real time through the pressure gauge 9, and therefore the controller 3 can control the submerged fan 1 more conveniently. In addition, as an alternative embodiment, the pressure gauge 9 may not be electrically connected to the controller 3, and the pressure gauge 9 may be omitted.
As shown in fig. 2, a silencer 7 is respectively disposed on the underwater portion of the air inlet duct 4 and the air outlet duct 5 of the submerged fan 1, and the silencer 7 is used for reducing wind noise at the inlet and the outlet of the submerged fan 1. In addition, as an alternative embodiment, the silencer 7 may be eliminated or provided only at the inlet or outlet.
As shown in fig. 2, the motor of the submerged fan 1 is vertically arranged above the fan body, and the air inlet duct 4 and the air outlet duct 5 respectively extend upwards from two sides of the motor. And the air inlet pipeline 4 and the air outlet pipeline 5 are fixedly connected above the water surface through a bracket respectively. At this moment, the fan body of submerged fan 1 need not to adopt fixed knot to construct and be connected with the bottom, can make the steady support of fan body at the bottom.
As shown in fig. 2, three support legs 8 for supporting are arranged below the fan body of the submerged fan 1, and rubber pads are arranged at the bottoms of the support legs 8. Support through three stabilizer blade 8 and can guarantee to all land, make the more firm support of fan body at the bottom. Vibration during operation of the submerged fan 1 can be buffered through the rubber pads, and equipment damage is reduced.
The control method of the submerged fan system provided by the embodiment comprises the following steps:
first, the controller 3 controls the rotation speed of the motor of the submerged fan 1 according to a noise curve, which is a noise curve of the surrounding environment for 24 hours when the submerged fan 1 is not involved, as shown in fig. 3. As shown in fig. 3, the abscissa is 24 hours of the day, and the ordinate is the decibel value of noise.
Second, the noise detection device 2 detects noise around the operating submerged fan 1 and transmits noise information to the controller 3.
Thirdly, the controller 3 controls the rotating speed of the motor of the submerged fan 1 according to the received noise information, so that the noise generated by the operation of the submerged fan 1 is controlled within the noise curve range; specifically, the rotating speed of the motor of the submerged fan 1 is controlled to make the noise generated by the submerged fan within the detection range of the noise detection device 2 not exceed 130% of the noise curve when the submerged fan 1 is not involved, and when the noise detection device 2 detects that the noise reaches 130% of the original noise curve, the controller 3 reduces the generated noise by reducing the rotating speed of the submerged fan 1. The value of 130% may be set according to actual conditions in the field.
According to the control method of the submerged fan system provided by the embodiment, the controller 3 controls the rotating speed of the motor of the submerged fan 1 according to the noise curve, and retrieves the noise generated by the submerged fan 1 to the periphery in real time through the noise detection device 2, so that the rotating speed of the motor of the submerged fan 1 is timely adjusted, the noise generated when the submerged fan 1 operates is within a controllable range, and the trouble brought to the work and life of people is reduced.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. A submerged fan system, comprising:
the submerged fan (1) is provided with an air inlet pipeline (4) and an air outlet pipeline (5), the air inlet pipeline (4) and the air outlet pipeline (5) are respectively provided with a part which extends upwards to a position above the water surface, the air outlet pipeline (5) extends to a position above the water surface and then extends into a water body to be treated, and a plurality of air through holes are formed in an outlet of the air outlet pipeline (5);
the noise detection device (2) is arranged in a range of a set distance from the submerged fan (1), and the noise detection device (2) is used for detecting noise around the submerged fan (1);
and the controller (3) is respectively electrically connected with the motor of the submerged fan (1) and the noise detection device (2), and after receiving the noise information of the noise detection device (2), the controller (3) controls the rotating speed of the motor of the submerged fan (1) according to the noise information.
2. Submerged fan system according to claim 1, characterised in that the intake pipe (4) of the submerged fan (1) is provided with a silencer (7) in the submerged part.
3. Submerged fan system according to claim 1, characterised in that the submerged fan (1) is provided with a silencer (7) on the submerged part of the outlet pipe (5).
4. Submerged fan system according to claim 1, characterized in that the motor of the submerged fan (1) is arranged vertically above the fan body.
5. Submerged fan system according to claim 4, characterised in that the air inlet duct (4) and the air outlet duct (5) extend upwards from both sides of the motor, respectively.
6. The submerged fan system as claimed in claim 5, characterised in that the air inlet duct (4) and the air outlet duct (5) are each fixedly connected above the water surface by means of a bracket.
7. Submerged fan system according to any of claims 1-6, characterized in that three support legs (8) are provided below the fan body of the submerged fan (1).
8. Submerged fan system according to claim 7, characterised in that the bottom of the legs (8) are provided with rubber pads.
9. A method of controlling a submersible fan system according to any one of claims 1 to 8, comprising the steps of:
the controller (3) controls the rotating speed of a motor of the submerged fan (1) according to the noise curve;
the noise detection device (2) detects noise around the operating submerged fan (1) and transmits noise information to the controller (3);
the controller (3) controls the rotating speed of the motor of the submerged fan (1) according to the received noise information, so that the noise generated by the operation of the submerged fan (1) is controlled within the noise curve range.
10. The control method of the submerged fan system according to claim 9, characterised in that the noise curve is a 24-hour ambient noise curve without the involvement of the submerged fan (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110882529.0A CN113565788A (en) | 2021-08-02 | 2021-08-02 | Submerged fan system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110882529.0A CN113565788A (en) | 2021-08-02 | 2021-08-02 | Submerged fan system and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113565788A true CN113565788A (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110882529.0A Pending CN113565788A (en) | 2021-08-02 | 2021-08-02 | Submerged fan system and control method thereof |
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| CN (1) | CN113565788A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2252902Y (en) * | 1996-02-02 | 1997-04-23 | 张一健 | Underwater lobed rotor blower |
| CN103940029A (en) * | 2014-03-24 | 2014-07-23 | 广东美的制冷设备有限公司 | Natural wind air conditioner and control method thereof |
| CN104566794A (en) * | 2014-12-17 | 2015-04-29 | 美的集团股份有限公司 | Room air conditioner control method and system as well as air conditioner adopting method and system |
| CN109780699A (en) * | 2019-01-31 | 2019-05-21 | 珠海荣邦电子科技有限公司 | Method for controlling number of revolution and device |
| CN210480996U (en) * | 2019-05-30 | 2020-05-08 | 苏州硕亚环保科技有限公司 | Submerged aeration device |
| CN211367161U (en) * | 2019-12-12 | 2020-08-28 | 浙江阿凡柯达环保科技有限公司 | Novel submerged fan |
| CN212609847U (en) * | 2020-05-18 | 2021-02-26 | 江苏山水环境建设集团股份有限公司 | Submerged microporous aeration reoxygenation system |
| CN212928255U (en) * | 2020-07-14 | 2021-04-09 | 扬州方舟环保设备有限公司 | Submerged high-pressure air blower |
-
2021
- 2021-08-02 CN CN202110882529.0A patent/CN113565788A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2252902Y (en) * | 1996-02-02 | 1997-04-23 | 张一健 | Underwater lobed rotor blower |
| CN103940029A (en) * | 2014-03-24 | 2014-07-23 | 广东美的制冷设备有限公司 | Natural wind air conditioner and control method thereof |
| CN104566794A (en) * | 2014-12-17 | 2015-04-29 | 美的集团股份有限公司 | Room air conditioner control method and system as well as air conditioner adopting method and system |
| CN109780699A (en) * | 2019-01-31 | 2019-05-21 | 珠海荣邦电子科技有限公司 | Method for controlling number of revolution and device |
| CN210480996U (en) * | 2019-05-30 | 2020-05-08 | 苏州硕亚环保科技有限公司 | Submerged aeration device |
| CN211367161U (en) * | 2019-12-12 | 2020-08-28 | 浙江阿凡柯达环保科技有限公司 | Novel submerged fan |
| CN212609847U (en) * | 2020-05-18 | 2021-02-26 | 江苏山水环境建设集团股份有限公司 | Submerged microporous aeration reoxygenation system |
| CN212928255U (en) * | 2020-07-14 | 2021-04-09 | 扬州方舟环保设备有限公司 | Submerged high-pressure air blower |
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Application publication date: 20211029 |