CN110773012A - Micro-nano bubble preparation device and preparation method thereof - Google Patents
Micro-nano bubble preparation device and preparation method thereof Download PDFInfo
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- CN110773012A CN110773012A CN201911216868.4A CN201911216868A CN110773012A CN 110773012 A CN110773012 A CN 110773012A CN 201911216868 A CN201911216868 A CN 201911216868A CN 110773012 A CN110773012 A CN 110773012A
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Abstract
The invention provides a micro-nano bubble preparation device and a preparation method thereof, and relates to the technical field of cleaning equipment. The micro-nano bubble preparation device comprises a controller, a liquid inlet pipe, an air inlet pipe and a conveying pipe, wherein the outlet end of the liquid inlet pipe and the outlet end of the air inlet pipe are both communicated with the inlet end of the conveying pipe, and the liquid inlet pipe is provided with an electromagnetic valve and a liquid flow detector; the air inlet pipe is provided with an air pump, an air regulating valve and an air flow detector; the delivery pipe is provided with a booster pump and a micro-nano bubble generating assembly, the booster pump is positioned at the upstream of the micro-nano bubble generating assembly along the flowing direction of fluid in the delivery pipe, and a pipe section of the delivery pipe, which is positioned between the booster pump and the micro-nano bubble generating assembly, is provided with a pressure detector; each electronic component is connected with the controller. The preparation method uses the micro-nano bubble preparation device to prepare micro-nano bubble liquid. The micro-nano bubble preparation device can prepare micro-nano bubbles with high quality and good cleaning effect.
Description
Technical Field
The invention relates to the technical field of cleaning equipment, in particular to a micro-nano bubble preparation device and a preparation method thereof.
Background
The micro-nano bubbles are bubbles with the diameter of about hundreds of nanometers to ten micrometers when the bubbles occur, the bubbles are between the micro-bubbles and the nano-bubbles, and compared with the conventional bubbles, the micro-nano bubbles have the characteristics of large specific surface area, high gas dissolution rate, capability of generating free radicals, high mass transfer efficiency and the like, and can be better applied to the fields of aquaculture, soilless culture, food and tableware cleaning, bath health care, ecological restoration and sewage treatment. The cleaning of food and tableware is a daily matter to be faced by people, the cleaning cleanliness of the food and tableware directly influences the diet health of people, and the quality of micro-nano bubbles prepared by the conventional micro-nano bubble preparation device is poor, and the cleaning effect is also poor.
Disclosure of Invention
The invention aims to provide a micro-nano bubble preparation device and a preparation method thereof, so as to solve the technical problems of poor quality and poor cleaning effect of micro-nano bubbles in the prior art.
In a first aspect, an embodiment of the present invention provides a micro-nano bubble preparation apparatus, including a controller, a liquid inlet pipe, an air inlet pipe, and a delivery pipe, wherein an outlet end of the liquid inlet pipe and an outlet end of the air inlet pipe are both communicated with an inlet end of the delivery pipe, and the liquid inlet pipe is provided with an electromagnetic valve and a liquid flow detector for detecting a liquid flow in the liquid inlet pipe; the air inlet pipe is provided with an air pump, an air regulating valve and an air flow detector for detecting the air flow in the air inlet pipe; the conveying pipe is provided with a booster pump and a micro-nano bubble generating assembly, the booster pump is positioned at the upstream of the micro-nano bubble generating assembly along the flowing direction of fluid in the conveying pipe, and a pipe section of the conveying pipe, which is positioned between the booster pump and the micro-nano bubble generating assembly, is provided with a pressure detector;
the solenoid valve, liquid flow detector, gas control valve, gas flow detector, pressure detector reaches the booster pump all with the controller is connected.
In an alternative embodiment, the air pump is connected to the controller.
In an optional embodiment, the micro-nano bubble generation assembly comprises a gas mixing tank and an aeration head, the gas mixing tank and the aeration head are both mounted on the conveying pipe, and along the flow direction of the fluid in the conveying pipe, the gas mixing tank is located at the upstream of the aeration head.
In an alternative embodiment, the pipe section of the conveying pipe between the gas mixing tank and the aeration head is a flexible pipe.
In an optional embodiment, the controller includes a control module and a PWM (Pulse Width Modulation) speed regulation module connected to the control module, and the electromagnetic valve, the liquid flow rate detector, the gas regulating valve, the pressure detector and the gas flow rate detector are all connected to the control module; and the booster pump is connected with the PWM speed regulation module.
In an optional embodiment, the micro-nano bubble preparation device further comprises a three-way valve, and the outlet end of the liquid inlet pipe, the outlet end of the air inlet pipe and the inlet end of the conveying pipe are communicated with three joints of the three-way valve in a one-to-one correspondence manner.
In a second aspect, an embodiment of the present invention provides a preparation method for preparing micro-nano bubbles by using the micro-nano bubble preparation apparatus according to any one of the foregoing embodiments, where the preparation method includes: opening the electromagnetic valve, the air pump and the air regulating valve, supplying liquid to the liquid inlet pipe by the external liquid supply device, and allowing the liquid to flow into the booster pump; the air pump pumps air into the air inlet pipe and flows into the booster pump; the gas and the liquid entering the booster pump are mixed and pressurized by the booster pump to form mixed fluid;
the preparation process comprises gas flow regulation, liquid flow regulation and mixed fluid pressure regulation, wherein the gas flow regulation comprises the following steps:
the gas flow detector transmits a gas flow signal in the gas inlet pipe to the controller, the controller compares a value represented by the received gas flow signal with a set gas flow range, and if the value is in the set gas flow range, a gas regulating valve does not need to be regulated; if the numerical value is out of the set gas flow range, the controller adjusts the gas regulating valve, the gas flow detector transmits the adjusted gas flow signal to the controller, the controller compares the gas flow signal again, and the process is repeated until the numerical value is in the set gas flow range;
the liquid flow regulation comprises the following steps:
the liquid flow detector transmits a liquid flow signal in the liquid inlet pipe to the controller, the controller compares a value represented by the received liquid flow signal with a set liquid flow range, and if the value is in the set liquid flow range, the electromagnetic valve does not need to be adjusted; if the numerical value is out of the set liquid flow range, the controller adjusts the electromagnetic valve, the liquid flow detector transmits the adjusted liquid flow signal to the controller, the controller compares the liquid flow signal again, and the process is circulated until the numerical value is in the set liquid flow range;
and after the gas flow regulation and the liquid flow regulation are finished, mixed fluid pressure regulation is carried out, wherein the mixed fluid pressure regulation comprises the following steps:
the pressure detector transmits the detected pressure signal of the mixed fluid in the conveying pipe to the controller, the controller compares the value represented by the received pressure signal with a set fluid pressure range, and if the value is in the set fluid pressure range, the booster pump does not need to be adjusted; if the numerical value is out of the set fluid pressure range, the controller regulates the booster pump, the pressure detector transmits the regulated pressure signal to the controller, the controller compares the regulated pressure signal again, and the process is circulated until the numerical value is in the set fluid pressure range;
and the mixed fluid enters the micro-nano bubble generation assembly to obtain micro-nano bubble liquid.
In an optional embodiment, in the liquid flow adjusting step, if the value represented by the liquid flow signal is greater than a set liquid flow range, the controller decreases the liquid inlet amount of the electromagnetic valve;
if the value represented by the liquid flow signal is smaller than the set liquid flow range, the controller increases the liquid inlet amount of the electromagnetic valve.
In an optional embodiment, in the gas flow adjusting step, if the value represented by the gas flow signal is greater than the set gas flow signal, the controller decreases the gas inflow of the gas regulating valve;
and if the value represented by the gas flow signal is smaller than the set gas flow signal, the controller adjusts the air inflow of the gas regulating valve.
In an optional embodiment, in the step of adjusting the booster pump by the controller, if the value represented by the pressure signal is greater than the set fluid pressure range, the controller decreases the boost amount of the booster pump;
if the value represented by the pressure signal is smaller than the set fluid pressure range, the controller increases the pressurization amount of the pressurization pump.
When the micro-nano bubble preparation device and the preparation method thereof provided by the invention are used, the inlet end of the liquid inlet pipe is communicated with the external liquid supply device, and the external liquid supply device is required to be ensured to have certain hydraulic pressure, so that liquid can be conveyed to the liquid inlet pipe; the electromagnetic valve is opened, the external liquid supply device conveys liquid into the liquid inlet pipe, and the liquid flows into the booster pump after flowing through the electromagnetic valve, wherein the liquid flow of the liquid inlet pipe can be correspondingly adjusted by adjusting the liquid inlet quantity of the electromagnetic valve; the air pump is started, external air is sucked into the air inlet pipe by the air pump, the air also flows into the booster pump after flowing through the air regulating valve, and the air flow of the air inlet pipe can be correspondingly regulated by regulating the air inflow of the air regulating valve; the liquid and the gas flowing into the booster pump are mixed and pressurized by the booster pump to form high-pressure mixed fluid, and the mixed fluid enters a conveying pipe between the booster pump and the micro-nano bubble generation assembly.
In the process, the controller firstly adjusts the gas flow in the gas inlet pipe and adjusts the liquid flow in the liquid inlet pipe, wherein in the gas flow adjustment, the gas flow meter detects the gas flow in the gas inlet pipe and transmits a detected gas flow signal to the controller, and the controller correspondingly adjusts the air inflow of the gas adjusting valve by comparing the value represented by the gas flow signal with the set liquid flow range to realize the adjustment of the gas flow in the gas inlet pipe; wherein, among the liquid flow regulation, liquid flow detector detects the liquid flow of flowing through the feed liquor pipe to liquid flow signal transmission to the controller that will detect, the controller is through the numerical value of contrast liquid flow signal sign and the liquid flow scope of setting for, adjusts the feed liquor volume of solenoid valve correspondingly, realizes the regulation of the interior liquid flow of feed liquor pipe.
It should be noted that the gas flow rate adjustment and the liquid flow rate adjustment are two relatively independent adjustment processes, the adjustment sequence is not limited, and when both the two adjustment processes are finished, it indicates that both the gas flow rate in the gas inlet pipe and the liquid flow rate in the liquid inlet pipe meet the requirements, and then the gas-liquid ratio in the mixed fluid formed by the liquid and the gas meets the requirements; and then mixed fluid pressure is adjusted, a pressure detector detects the pressure of the mixed fluid flowing out of the booster pump, the detected pressure signal is transmitted to a controller, the controller correspondingly adjusts the pressurization amount of the booster pump by comparing the value represented by the pressure signal with a set fluid pressure range, the adjustment of the mixed fluid pressure is realized, the finally obtained mixed fluid meets the gas-liquid ratio and the pressure value, and the mixed fluid meeting the requirements flows into the micro-nano bubble generation assembly to obtain the micro-nano bubble liquid.
The micro-nano bubble preparation device implements accurate adjustment of liquid flow, gas flow and pressurization amount of a booster pump through the cooperation of the controller and the electronic assembly, and greatly reduces labor capacity on the basis of ensuring high-precision adjustment; in addition, high-precision adjustment can ensure that mixed fluid input into the micro-nano generation assembly meets the requirement of preparing micro-nano bubbles, so that high-quality micro-nano bubble liquid is obtained, and the cleaning effect of the micro-nano bubble liquid is correspondingly ensured.
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 schematic flow diagram of a micro-nano bubble preparation device provided in an embodiment of the present invention;
fig. 2 is a first block diagram of a micro-nano bubble preparation apparatus provided in an embodiment of the present invention;
fig. 3 is a second block diagram of a micro-nano bubble preparation apparatus provided in an embodiment of the present invention.
Icon: 110-a liquid inlet pipe; 120-an air inlet pipe; 130-a delivery pipe; 140-three-way valve; 210-a liquid flow detector; 220-a gas flow detector; 230-a pressure detector; 300-a solenoid valve; 400-an air pump; 500-gas regulating valve; 600-a booster pump; 700-micro nano bubble generating assembly; 710-gas mixing tank; 720-an aeration head; 800-a controller; 810-a control module; 820-PWM speed regulation module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention 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 present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The embodiment provides a micro-nano bubble preparation device, as shown in fig. 2, including a controller 800, a liquid inlet pipe 110, an air inlet pipe 120 and a delivery pipe 130, wherein an outlet end of the liquid inlet pipe 110 and an outlet end of the air inlet pipe 120 are both communicated with an inlet end of the delivery pipe 130, and the liquid inlet pipe 110 is provided with an electromagnetic valve 300 and a liquid flow detector 210 for detecting a liquid flow in the liquid inlet pipe 110; the gas inlet pipe 120 is provided with a gas pump 400, a gas regulating valve 500 and a gas flow detector 220 for detecting the gas flow in the gas inlet pipe 120; the delivery pipe 130 is provided with a booster pump 600 and a micro-nano bubble generation assembly 700, and along the flowing direction of fluid in the delivery pipe 130, the booster pump 600 is positioned at the upstream of the micro-nano bubble generation assembly 700, and a pipe section of the delivery pipe 130 between the booster pump 600 and the micro-nano bubble generation assembly 700 is provided with a pressure detector 230; the solenoid valve 300, the liquid flow rate detector 210, the gas regulating valve 500, the gas flow rate detector 220, the pressure detector 230, and the booster pump 600 are connected to a controller 800.
The embodiment also provides a preparation method, wherein the micro-nano bubble preparation device is used for preparing micro-nano bubbles, and the preparation method comprises the following steps: opening the electromagnetic valve 300, the air pump 400 and the air regulating valve 500, supplying liquid to the liquid inlet pipe 110 by the external liquid supply device, and allowing the liquid to flow into the booster pump 600; the air pump 400 pumps air into the air inlet pipe 120 and into the booster pump 600; the gas and the liquid entering the booster pump 600 are mixed and pressurized by the booster pump 600 to form a mixed fluid.
The preparation process comprises gas flow regulation, liquid flow regulation and mixed fluid pressure regulation, wherein the gas flow regulation comprises the following steps: the gas flow detector 220 transmits a gas flow signal in the gas inlet pipe 120 to the controller 800, the controller 800 compares a value represented by the received gas flow signal with a set gas flow range, and if the value is within the set gas flow range, the gas regulating valve 500 does not need to be adjusted; if the value is outside the set gas flow range, the controller 800 adjusts the gas regulating valve 500, the gas flow detector 220 transmits the adjusted gas flow signal to the controller 800, the controller 800 compares again, and the process is repeated until the value is within the set gas flow range; the liquid flow regulation comprises the following steps: the liquid flow detector 210 transmits the liquid flow signal in the liquid inlet pipe 110 to the controller 800, the controller 800 compares the value represented by the received liquid flow signal with a set liquid flow range, and if the value is in the set liquid flow range, the electromagnetic valve 300 does not need to be adjusted; if the value is outside the set liquid flow range, the controller 800 adjusts the solenoid valve 300, the liquid flow detector 210 transmits the adjusted liquid flow signal to the controller 800, the controller 800 compares again, and the process is repeated until the value is within the set liquid flow range.
And after the gas flow regulation and the liquid flow regulation are finished, mixed fluid pressure regulation is carried out, wherein the mixed fluid pressure regulation comprises the following steps: the pressure detector 230 transmits the detected pressure signal of the mixed fluid in the delivery pipe 130 to the controller 800, and the controller 800 compares a value represented by the received pressure signal with a set fluid pressure range, and if the value is within the set fluid pressure range, the booster pump 600 does not need to be adjusted; if the value is outside the set fluid pressure range, the controller 800 adjusts the booster pump 600, the pressure detector 230 transmits the adjusted pressure signal to the controller 800, the controller 800 compares again, and so on, until the value is within the set fluid pressure range; the mixed fluid enters the micro-nano bubble generation assembly 700 to obtain micro-nano bubble liquid.
When the micro-nano bubble preparation device and the preparation method thereof provided by the embodiment are used, the inlet end of the liquid inlet pipe 110 is communicated with an external liquid supply device, and the external liquid supply device needs to be ensured to have certain hydraulic pressure, so that liquid can be conveyed to the liquid inlet pipe 110 (the external liquid supply device provides power for the liquid flowing into the micro-nano bubble preparation device); the electromagnetic valve 300 is opened, the external liquid supply device conveys liquid into the liquid inlet pipe 110, and the liquid flows into the booster pump 600 after flowing through the electromagnetic valve 300, wherein the liquid flow of the liquid inlet pipe 110 can be correspondingly adjusted by adjusting the liquid inlet amount of the electromagnetic valve 300; the air pump 400 is started, the air pump 400 pumps external air into the air inlet pipe 120 (the air pump 400 provides power for the external air to enter the micro-nano bubble preparation device), the air also flows into the booster pump 600 after flowing through the air regulating valve 500, and the air flow of the air inlet pipe 120 can be correspondingly regulated by regulating the air inflow of the air regulating valve 500; the liquid and the gas flowing into the booster pump 600 are mixed and pressurized by the booster pump 600 to become a high-pressure mixed fluid, and the mixed fluid enters the delivery pipe 130 between the booster pump 600 and the micro-nano bubble generating assembly 700.
In the above process, the controller 800 firstly performs gas flow regulation on the gas flow in the gas inlet pipe 120 and performs liquid flow regulation on the liquid flow in the liquid inlet pipe 110, wherein in the gas flow regulation, the gas flow meter detects the gas flow in the gas inlet pipe 120 and transmits a detected gas flow signal to the controller 800, and the controller 800 correspondingly regulates the air inflow of the gas regulating valve 500 by comparing the value represented by the gas flow signal with the set liquid flow range, so as to realize the regulation of the gas flow in the gas inlet pipe 120; specifically, if the value represented by the gas flow signal is greater than the set gas flow signal, the controller 800 decreases the gas inflow of the gas regulating valve 500; if the value represented by the gas flow signal is smaller than the set gas flow signal, the controller 800 adjusts the gas inflow of the gas regulating valve 500.
In the liquid flow regulation, the liquid flow detector 210 detects the liquid flow flowing through the liquid inlet pipe 110 and transmits a detected liquid flow signal to the controller 800, and the controller 800 correspondingly regulates the liquid inlet amount of the electromagnetic valve 300 by comparing the value represented by the liquid flow signal with a set liquid flow range, so as to regulate the liquid flow in the liquid inlet pipe 110; specifically, if the value represented by the liquid flow signal is greater than the set liquid flow range, the controller 800 decreases the liquid inlet amount of the electromagnetic valve 300; if the value represented by the liquid flow signal is smaller than the set liquid flow range, the controller 800 increases the liquid inlet amount of the electromagnetic valve 300.
It should be noted that the gas flow rate adjustment and the liquid flow rate adjustment are two relatively independent adjustment processes, the adjustment sequence is not limited, and when both the two adjustment processes are finished, it indicates that both the gas flow rate in the gas inlet pipe 120 and the liquid flow rate in the liquid inlet pipe 110 meet the requirements, and then the gas-liquid ratio in the mixed fluid formed by the liquid and the gas meets the requirements; then, the pressure of the mixed fluid is adjusted, the pressure detector 230 detects the pressure of the mixed fluid flowing out of the booster pump 600, and transmits a detected pressure signal to the controller 800, the controller 800 adjusts the pressure increase of the booster pump 600 correspondingly by comparing the value represented by the pressure signal with a set fluid pressure range, so as to adjust the pressure of the mixed fluid, and the finally obtained mixed fluid satisfies the gas-liquid ratio and the pressure value; specifically, if the value represented by the pressure signal is greater than the set fluid pressure range, the controller 800 decreases the boost amount of the booster pump 600; if the value represented by the pressure signal is less than the set fluid pressure range, the controller 800 increases the amount of boost provided by the booster pump 600. Subsequently, the mixed fluid meeting the requirements flows into the micro-nano bubble generating assembly 700 to obtain micro-nano bubble liquid.
The micro-nano bubble preparation device implements accurate adjustment of liquid flow, gas flow and pressurization amount of the booster pump 600 through cooperation of the controller 800 and the electronic component, and greatly reduces labor capacity on the basis of ensuring high-accuracy adjustment; in addition, high-precision adjustment can ensure that mixed fluid input into the micro-nano generation assembly meets the requirement of preparing micro-nano bubbles, so that high-quality micro-nano bubble liquid is obtained, and the cleaning effect of the micro-nano bubble liquid is correspondingly ensured.
Specifically, the gas may be air, and the air inlet end of the air inlet pipe 120 is directly communicated with the external air; the liquid can be water, and the external liquid supply device can be a municipal tap water supply device; the booster pump 600 may be a pump that is only used for pressurizing the fluid, or a self-priming pump that provides power to the fluid and has a boosting effect, such as a high-frequency submersible pump.
It should be noted that, the signal transmission between the controller 800 and the gas flow rate detector 220, the liquid flow rate detector 210 and the pressure detector 230, and the control procedure of the controller 800 to the gas regulating valve 500, the solenoid valve 300 and the booster pump 600 belong to the prior art, and do not belong to the improvement of the present application, and the detailed description is omitted.
Alternatively, as shown in fig. 3, the controller 800 may include a control module 810 and a PWM speed regulation module connected to the control module 810, wherein the solenoid valve 300, the liquid flow detector 210, the gas regulating valve 500, the pressure detector 230, and the gas flow detector 220 are all connected to the control module 810; the booster pump 600 is connected to the PWM speed regulation module 820. The control module 810 transmits a speed regulating signal to the PWM speed regulating module 820 according to the pressure signal transmitted by the pressure detector 230, and the PWM speed regulating module 820 correspondingly regulates the rotation speed of the booster pump 600, so as to regulate the boost amount of the booster pump 600.
In this embodiment, the air pump 400 may be connected to the controller 800. Specifically, as shown in fig. 3, the air pump 400 is connected to the control module 810 of the controller 800, during the use of the micro-nano bubble preparation apparatus, the air pump 400 provides power for the inflow of air, the pressurization amount of the air pump 400 and the air inflow of the air adjustment valve 500 affect the flow of air in the air inlet pipe 120 together, when the controller 800 adjusts the air adjustment valve 500 to the maximum air inflow, if the air flow in the air inlet pipe 120 still cannot meet the set air flow range, the controller 800 adjusts the pressurization amount of the air pump 400 until the air flow in the air inlet pipe 120 meets the requirement. That is, the controller 800 can increase the adjustment range of the gas flow in the gas inlet pipe 120 by adjusting the pressurization amount of the gas pump 400, so as to ensure that the gas flow in the gas inlet pipe 120 can meet the requirement and ensure the normal operation of the micro-nano bubble preparation device.
In this embodiment, as shown in fig. 1 and fig. 3, the micro-nano bubble generating assembly 700 may include a gas mixing tank 710 and an aeration head 720, wherein the gas mixing tank 710 and the aeration head 720 are both installed on the conveying pipe 130, and the gas mixing tank 710 is located upstream of the aeration head 720 along the flow direction of the fluid in the conveying pipe 130. In a specific form of the micro-nano bubble generating assembly 700, a mixed fluid mixed and pressurized by the booster pump 600 firstly enters the gas mixing tank 710, gas in the mixed fluid is quickly dissolved in liquid in the gas mixing tank 710 to form bubble liquid, and the bubble liquid is subjected to pressure reduction cutting treatment of the gas mixing tank 710 when being output from the gas mixing tank 710 to obtain the bubble liquid with small particle size; the small-particle-size bubble liquid enters the aerator 720 through the conveying pipe 130, and is subjected to decompression cutting by the aerator 720 again to obtain the micro-nano bubble liquid.
Wherein, the pipeline section that conveyer pipe 130 is located between gas mixing tank 710 and aeration head 720 is the flexible tube, during the use, can adjust aeration head 720's position through this flexible tube to improve micro-nano bubble preparation facilities's use convenience.
Optionally, a water purification assembly may be disposed in the gas mixing tank 710, specifically, the water purification assembly may be partitioned between an inlet and an outlet of the gas mixing tank 710, and the mixed fluid enters the gas mixing tank, needs to be filtered and purified by the water purification assembly, reaches the outlet, and continues to reach the aeration head 720; the water purification assembly can be used for filtering and purifying the mixed fluid so as to reduce impurities contained in the mixed fluid, improve the water quality of the prepared micro-nano bubble water and reduce the blockage of the mixed fluid on a subsequent aeration head, a second valve and the like; specifically, the water purification component may be a PP (Polypropylene) cotton filter element, a carbon rod filter element, an MF (Microfiltration) membrane filter element, an UF (Ultrafiltration) membrane filter element, an NF (Nanofiltration membrane) filter element, an RO (Reverse Osmosis) membrane filter element, or the like.
Specifically, the micro-nano bubble preparation device may further include a three-way valve 140, and the outlet end of the liquid inlet pipe 110, the outlet end of the air inlet pipe 120, and the inlet end of the delivery pipe 130 are in one-to-one correspondence with three joints of the three-way valve 140.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The micro-nano bubble preparation device is characterized by comprising a controller (800), a liquid inlet pipe (110), an air inlet pipe (120) and a conveying pipe (130), wherein the outlet end of the liquid inlet pipe (110) and the outlet end of the air inlet pipe (120) are both communicated with the inlet end of the conveying pipe (130), and the liquid inlet pipe (110) is provided with an electromagnetic valve (300) and a liquid flow detector (210) for detecting the flow of liquid in the liquid inlet pipe (110); the air inlet pipe (120) is provided with an air pump (400), an air regulating valve (500) and an air flow detector (220) for detecting the air flow in the air inlet pipe (120); the delivery pipe (130) is provided with a booster pump (600) and a micro-nano bubble generation assembly (700), the booster pump (600) is positioned at the upstream of the micro-nano bubble generation assembly (700) along the flowing direction of fluid in the delivery pipe (130), and a pipe section of the delivery pipe (130) between the booster pump (600) and the micro-nano bubble generation assembly (700) is provided with a pressure detector (230);
the solenoid valve (300), the liquid flow detector (210), the gas regulating valve (500), the gas flow detector (220), the pressure detector (230) and the booster pump (600) are all connected with the controller (800).
2. The micro-nano bubble preparation device according to claim 1, wherein the air pump (400) is connected to the controller (800).
3. The micro-nano bubble preparation apparatus according to claim 1, wherein the micro-nano bubble generation assembly (700) comprises a gas mixing tank (710) and an aeration head (720), the gas mixing tank (710) and the aeration head (720) are both mounted on the conveying pipe (130), and the gas mixing tank (710) is located upstream of the aeration head (720) along the flow direction of the fluid in the conveying pipe (130).
4. The micro-nano bubble preparation device according to claim 3, wherein the pipe section of the delivery pipe (130) between the gas mixing tank (710) and the aeration head (720) is a flexible pipe.
5. The micro-nano bubble preparation device according to claim 1, wherein the controller (800) comprises a control module (810) and a PWM speed regulation module (820) connected to the control module (810), and the solenoid valve (300), the liquid flow detector (210), the gas regulating valve (500), the pressure detector (230) and the gas flow detector (220) are all connected to the control module (810); the booster pump (600) is connected with the PWM speed regulation module (820).
6. The micro-nano bubble preparation device according to claim 1, further comprising a three-way valve (140), wherein the outlet end of the liquid inlet pipe (110), the outlet end of the air inlet pipe (120) and the inlet end of the delivery pipe (130) are in one-to-one correspondence with three joints of the three-way valve (140).
7. A preparation method is characterized in that the micro-nano bubbles are prepared by using the micro-nano bubble preparation device of any one of claims 1 to 6, and the preparation method comprises the following steps: opening the electromagnetic valve (300), the air pump (400) and the air regulating valve (500), supplying liquid to the liquid inlet pipe (110) by the external liquid supply device, and enabling the liquid to flow into the booster pump (600); the air pump (400) pumps air into the air inlet pipe (120) and flows into the booster pump (600); the gas and the liquid entering the booster pump (600) are mixed and pressurized by the booster pump (600) to form mixed fluid;
the preparation process comprises gas flow regulation, liquid flow regulation and mixed fluid pressure regulation, wherein the gas flow regulation comprises the following steps:
the gas flow detector (220) transmits a gas flow signal in the gas inlet pipe (120) to the controller (800), the controller (800) compares a value represented by the received gas flow signal with a set gas flow range, and if the value is in the set gas flow range, the gas regulating valve (500) does not need to be adjusted; if the value is out of the set gas flow range, the controller (800) adjusts the gas adjusting valve (500), the gas flow detector (220) transmits the adjusted gas flow signal to the controller (800), the controller (800) compares the gas flow signal again, and the process is circulated until the value is in the set gas flow range;
the liquid flow regulation comprises the following steps:
the liquid flow detector (210) transmits a liquid flow signal in the liquid inlet pipe (110) to the controller (800), the controller (800) compares a value represented by the received liquid flow signal with a set liquid flow range, and if the value is in the set liquid flow range, the electromagnetic valve (300) does not need to be adjusted; if the value is out of the set liquid flow range, the controller (800) adjusts the electromagnetic valve (300), the liquid flow detector (210) transmits the adjusted liquid flow signal to the controller (800), the controller (800) compares the adjusted liquid flow signal again, and the process is circulated until the value is in the set liquid flow range;
and after the gas flow regulation and the liquid flow regulation are finished, mixed fluid pressure regulation is carried out, wherein the mixed fluid pressure regulation comprises the following steps:
the pressure detector (230) transmits a detected pressure signal of the mixed fluid in the delivery pipe (130) to the controller (800), the controller (800) compares a value represented by the received pressure signal with a set fluid pressure range, and if the value is within the set fluid pressure range, the booster pump (600) does not need to be adjusted; if the value is outside the set fluid pressure range, the controller (800) adjusts the booster pump (600), the pressure detector (230) transmits the adjusted pressure signal to the controller (800), the controller (800) compares again, and the process is circulated until the value is within the set fluid pressure range;
the mixed fluid enters the micro-nano bubble generation assembly (700) to obtain micro-nano bubble liquid.
8. The preparation method according to claim 7, wherein in the liquid flow rate adjusting step, if the value represented by the liquid flow rate signal is larger than a set liquid flow rate range, the controller (800) decreases the liquid inlet amount of the electromagnetic valve (300);
if the value represented by the liquid flow signal is smaller than the set liquid flow range, the controller (800) increases the liquid inlet amount of the electromagnetic valve (300).
9. The method for preparing the gas flow rate according to claim 7, wherein in the gas flow rate adjusting step, if the value represented by the gas flow rate signal is larger than the set gas flow rate signal, the controller (800) decreases the gas inflow rate of the gas regulating valve (500);
if the value represented by the gas flow signal is smaller than the set gas flow signal, the controller (800) adjusts the air inflow of the gas regulating valve (500).
10. The method of claim 7, wherein in the step of adjusting the booster pump (600) by the controller (800), if the value represented by the pressure signal is greater than the set fluid pressure range, the controller (800) decreases the amount of boost of the booster pump (600);
the controller (800) increases the amount of boost of the booster pump (600) if the value represented by the pressure signal is less than the set fluid pressure range.
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