CN109667106B - Microbubble generator, microbubble generating method, and clothes treating apparatus - Google Patents
Microbubble generator, microbubble generating method, and clothes treating apparatus Download PDFInfo
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- CN109667106B CN109667106B CN201710963004.3A CN201710963004A CN109667106B CN 109667106 B CN109667106 B CN 109667106B CN 201710963004 A CN201710963004 A CN 201710963004A CN 109667106 B CN109667106 B CN 109667106B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 245
- 230000005284 excitation Effects 0.000 claims abstract description 38
- 230000000694 effects Effects 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 10
- 238000005273 aeration Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 abstract description 43
- 239000003599 detergent Substances 0.000 abstract description 23
- 239000000843 powder Substances 0.000 abstract description 22
- 239000008399 tap water Substances 0.000 description 13
- 235000020679 tap water Nutrition 0.000 description 13
- 238000004891 communication Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/002—Washing machines, apparatus, or methods not otherwise provided for using bubbles
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/18—Washing liquid level
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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)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Accessories For Mixers (AREA)
- Detergent Compositions (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
The invention discloses a micro bubble generator, a micro bubble generating method and a clothes processing device. Microbubble generator, including: dissolved air tank, water current excitation board and cavitation spare. The dissolved air tank has an inlet and an outlet, the inlet being located above the outlet, the inlet being adapted to pass water. The water flow excitation plate is arranged in the dissolved air tank and corresponds to the inlet. The cavitation piece is arranged outside the gas dissolving tank and connected with the outlet, or the cavitation piece is arranged at the outlet and makes the gas dissolved in the water into bubbles through the cavitation effect. According to the micro-bubble generator provided by the embodiment of the invention, a large amount of bubbles can be formed in a water belt passing through the micro-bubble generator to form micro-bubble water, and the micro-bubble water is used as washing water, so that the using amount of washing powder or detergent can be reduced, the hydroelectric resources are saved, and the washing powder or detergent remained on clothes is reduced. In addition, the microbubble generator according to the embodiment of the present invention has a simple structure, and can generate a large number of bubbles in a short time.
Description
Technical Field
The present invention relates to the field of clothing processing technologies, and in particular, to a microbubble generator, a microbubble generation method, and a clothing processing apparatus.
Background
The prior washing machine does not carry out corresponding treatment on water when water is fed, and tap water directly fed into the washing machine generates bubbles by adding washing powder or detergent to wash clothes. Under normal washing environment, the more the washing powder or detergent is added, the more times and time are needed for rinsing, and the more the waste of water and electricity is caused. In addition, since the addition of the washing powder and the detergent may leave a certain amount of residue on the laundry after rinsing, and the residue of the washing powder and the detergent may be harmful to the human body, it is necessary to develop a device for treating water injected into the washing machine, which can reduce the amount of the washing powder or the detergent to be supplied, but does not affect the actual washing quality of the laundry.
The microbubble technology is mainly applied to the field of environmental protection at present, has application cases in the household fields of skin care, shower and the like, and the technology for treating washing water by the microbubble technology exists at present, and the washing of clothes by the treated washing water can reduce the input amount of washing powder or detergent, but does not influence the actual requirement of a user on the washing degree of the clothes. However, most of the existing micro-bubble generating devices are complex in structure, some devices need to be additionally provided with a water pump, some devices need to be provided with a heating device and a plurality of valves, and the devices also have a plurality of requirements on water inlet modes.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. To this end, the present invention proposes a microbubble generator that is simple in structure and capable of generating a large amount of bubbles.
The present invention is also directed to a method of generating microbubbles.
The present invention is also directed to a laundry treating apparatus having the microbubble generation device.
The microbubble generator according to an embodiment of the present invention includes: a dissolved air tank having an inlet and an outlet, the inlet being located above the outlet, the inlet being adapted to pass water; the water flow excitation plate is arranged in the gas dissolving tank and corresponds to the inlet; the cavitation piece is arranged outside the gas dissolving tank and connected with the outlet, or the cavitation piece is arranged at the outlet and makes the gas dissolved in the water into bubbles through cavitation effect.
According to the micro-bubble generator provided by the embodiment of the invention, because the water flow excitation plate and the cavitation piece are arranged, a large amount of bubbles can be formed in a water belt passing through the micro-bubble generator to form micro-bubble water, and the micro-bubble water is used as washing water, so that the using amount of washing powder or detergent can be reduced, water and electricity resources are saved, and the washing powder or detergent remained on clothes is reduced. In addition, the microbubble generator according to the embodiment of the present invention has a simple structure, and can generate a large number of bubbles in a short time.
In some embodiments, the cavitation member comprises a venturi.
Specifically, the minimum radius of venturi is 0.01mm-10mm, and the radius of both ends of venturi is more than or equal to the minimum radius of venturi.
More specifically, the radius of both ends of the venturi tube is 0.001mm-30mm larger than the minimum radius of the venturi tube.
In other embodiments, the cavitation member is an orifice plate having a plurality of micro-orifices.
Specifically, the radius of the micropores on the pore plate is 0.01mm-10 mm.
In some embodiments, the water flow energizing plate has a lowest point.
In some optional embodiments, the water flow excitation plate is provided with a through hole at the lowest point.
In some optional embodiments, the fall between the lowest point and the highest point of the water flow excitation plate is greater than or equal to 0.05 mm.
In some alternative embodiments, the distance between the lowest point of the water flow excitation plate and the outlet is greater than or equal to 0.05 mm.
In some embodiments, the microbubble generator further comprises a gas valve provided on the dissolved gas tank.
Optionally, the gas valve is a one-way valve.
Optionally, the gas valve is an electric control valve, the microbubble generator further includes a liquid level sensor for detecting a liquid level in the dissolved gas tank, and the liquid level sensor is electrically connected to the electric control valve; and/or, the pneumatic valve is the automatically controlled valve, microbubble generator still includes and is used for detecting the pressure sensor of dissolving hydraulic pressure or atmospheric pressure in the gas jar, pressure sensor with the automatically controlled valve electricity is connected.
In some embodiments, the outflow rate of the cavitation member is less than the inflow rate of the dissolved air tank.
The method for generating microbubbles according to the embodiment of the invention comprises the following steps:
s1: spraying water flow to a water flow excitation plate in the dissolved air tank to form water splash, so that the water flow dissolves air in the dissolved air tank;
s2: cavitation is used to squeeze out the dissolved air in the water stream to form micro-bubbles.
The microbubble generation method is simple and easy to implement, an additional water pump or a heating device is not required, and the generation cost is reduced.
In some embodiments, the process of dissolving gas in the gas dissolving tank comprises at least one phase, each phase comprising a gas lock phase in which the gas dissolving tank is blocked from the outside atmosphere and a ventilation phase in which the gas dissolving tank is open to the outside atmosphere.
Specifically, the dissolved air tank has an inlet and an outlet, and the dissolved air tank is higher than the outlet through the liquid level in the air-off stage so as to block the external atmosphere.
In some embodiments, the outflow rate of the cavitation member is less than the inflow rate of the dissolved air tank inlet.
In some embodiments, the dissolved air tank stops water entering and is communicated with the outside atmosphere through the air valve in the aeration stage.
In some alternative embodiments, the cavitation effect is achieved in step S2 by a venturi or an orifice plate with a plurality of micro-orifices.
According to an embodiment of the present invention, a laundry treating apparatus includes: the water containing barrel and the micro-bubble generator are the micro-bubble generator; the micro-bubble generator is arranged at the water inlet of the clothes treatment device, and the water containing barrel is filled with water through the micro-bubble generator; or, the inlet of the dissolved air tank in the microbubble generator communicates with the tub to flow water in the tub, and the cavitation member in the microbubble generator communicates with the tub to flow the bubbled water back to the tub.
According to the clothes treatment device provided by the embodiment of the invention, the micro-bubble generator is arranged on the clothes treatment device, so that a large amount of micro-bubbles are contained in the washing water, the using amount of washing powder or detergent is reduced, water and electricity resources are saved, and the residual washing powder or detergent on the clothes is reduced.
In some embodiments, when the microbubble generator is disposed at the water inlet of the laundry treatment apparatus, the inlet of the dissolved air tank is further provided with a water inlet valve, and the dissolved air tank is further provided with an air valve, wherein the water inlet valve and the air valve are alternately opened.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an external view of the entire structure of the microbubble generator according to the embodiment of the present invention.
Fig. 2 is a vertical sectional view of the microbubble generator shown in fig. 1.
Fig. 3 is an external view of the entire structure of a microbubble generator according to another embodiment of the present invention.
Fig. 4 is a vertical sectional view of the microbubble generator shown in fig. 3.
FIG. 5 is a schematic diagram of the venturi configuration of an embodiment of the present invention.
Reference numerals:
a micro-bubble generator 1,
Dissolved air tank 10, upper cover 110, water inlet pipe 111, cover body 120, inlet 130, outlet 140,
The siphon device comprises a siphon pipe 20, a siphon cover 30, a siphon channel 40, a siphon port 410, a communication port 420, a water flow excitation plate 50, an air valve 60, a cavitation member 70, a venturi tube 710 and a water inlet valve 80.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A specific structure of the microbubble generator 1 according to the embodiment of the present invention is described below with reference to fig. 1 to 5.
As shown in fig. 2 and 4, the microbubble generator 1 according to the embodiment of the present invention includes a dissolved air tank 10, a water current excitation plate 50, and a cavitation member 70. The dissolved air tank 10 has an inlet 130 and an outlet 140, the inlet 130 being located above the outlet 140, the inlet 130 being adapted to admit water. The water current excitation plate 50 is provided in the dissolved air tank 10 and is provided corresponding to the inlet 130. The cavitation member 70 is provided outside the gas dissolving tank 10 and connected to the outlet 140, or the cavitation member 70 is provided at the outlet 140, and the cavitation member 70 makes the gas dissolved in the water into bubbles by a cavitation effect.
It can be understood that, when the inflow water flows through the water flow excitation plate 50, a large amount of water splash is splashed due to the blocking and diversion effects of the water flow excitation plate 50, so that the water flow can be sufficiently mixed with the air inside the dissolved air tank 10, the contact area between the water flow and the air is increased, and the dissolving speed of the air is accelerated. Because the cavitation part 70 is arranged at the outlet 140 of the dissolved air tank 10, the cavitation part 70 can make the air dissolved in the water into bubbles, so that the water treated by the microbubble generator 1 of the embodiment of the invention contains a large amount of microbubbles, and the use amount of washing powder or detergent can be reduced by using the microbubble water as the washing water, thereby saving water and electricity resources and reducing the washing powder or detergent remained on the clothes.
According to the micro-bubble generator 1 provided by the embodiment of the invention, the water flow excitation plate 50 and the cavitation part 70 are arranged, so that a large amount of bubbles can be formed in the water passing through the micro-bubble generator 1 to form micro-bubble water, and the micro-bubble water can be used as washing water to reduce the consumption of washing powder or detergent, save water and electricity resources and reduce the washing powder or detergent residual on clothes. In addition, the microbubble generator 1 according to the embodiment of the present invention has a simple structure, and can generate a large number of bubbles in a short time.
It should be noted that the arrangement of the cavitation member 70 is various, for example, as shown in fig. 1 to 2, and in some embodiments of the present invention, the cavitation member 70 is provided at the outlet 140 of the gas dissolving tank 10. As another example, as shown in fig. 3-4, in other embodiments of the present invention the cavitation member 70 is disposed outside the cylinder 10 and is connected to the cylinder 10 of the cavitation member 70. For another example, in some embodiments of the present invention, cavitation feature 70 is formed directly at outlet 140 of cylinder 10.
In some embodiments, the inlet 130 of the dissolved air tank 10 is directly connected to the pipeline tap water. It should be noted that the tap water sprayed from the pipeline tap water has a certain pressure, and when the pressure of the tap water is higher, the solubility of the air in the tap water is increased, thereby increasing the air content in the water flowing through the air dissolving tank 10, so that the water flowing through the cavitation member 70 can generate more bubbles.
In some embodiments, the inlet 130 flow of the cylinder 10 is always greater than the outlet flow of the cavitation member 70. It should be noted that, because the inlet 130 flow of the dissolved air tank 10 is always greater than the outlet flow of the cavitation member 70, when water is injected into the dissolved air tank 10, the water level will gradually increase, and the dissolved air tank 10 is a relatively closed space, the rising of the water level will gradually increase the air pressure inside the dissolved air tank 10, the solubility of the air in the high-pressure state is greater than that in the low-pressure state, that is, more air can be dissolved in the water at this time, thereby increasing the air content in the water flow passing through the dissolved air tank 10, so that the water flow can generate more bubbles when passing through the cavitation member 70.
In some embodiments, as shown in fig. 4, the siphon tube 20 is disposed at the outlet 140 of the dissolved air tank 10, the siphon tube 20 is disposed at the nozzle of the siphon tube 30, the siphon cap 30 has an annular cap rim surrounding the siphon tube 20, the cap rim and the tube wall of the siphon tube 20 define a siphon channel 40 therebetween, an end of the siphon channel 40 adjacent to the outlet 140 forms a siphon port 410, an end of the siphon channel 40 away from the outlet 140 forms a communication port 420 communicating with the siphon tube 20, and the siphon port 410 is located below the communication port 420.
In the process of filling water into the dissolved air tank 10, when the water level in the dissolved air tank 10 is lower than the communication port 420 (position a shown in fig. 4), the tap water in the dissolved air tank 10 will not be discharged through the outlet 140. Therefore, the water level in the dissolved air tank 10 will gradually rise at this time. When the water level in the dissolved air tank 10 rises to a position (position b shown in fig. 4) lower than the communication port 420 and higher than the siphon port 410, the inside of the dissolved air tank 10 is in a relatively sealed state, and at this time, the water level in the dissolved air tank 10 gradually rises, so that the air pressure in the dissolved air tank 10 gradually rises, and the solubility of the air in a high-pressure state is higher than that in a low-pressure state. This process therefore increases the solubility of air in water, that is to say more air is dissolved in the tap water. In addition, because the siphon tube 20 is covered by the siphon cap 30, air cannot directly escape from the orifice of the siphon tube 20, i.e., air can only escape from the siphon orifice 410. Therefore, when tap water is injected into the dissolved air tank 10, the water flow can submerge the siphon port 410 more quickly, so that more air is stored in the dissolved air tank 10, and the more air is, the better the pressurization and dissolution effects are.
In some embodiments, the cavitation member 70 includes a venturi 710. This makes it possible to easily separate out the air dissolved in the water flow passing through the cavitation member 70 and to form bubbles. The venturi tube 710 is used as the cavitation member 70, and it is not necessary to design an extra water pump, a heating device or a control valve, etc., thereby greatly simplifying the structure of the cavitation member 70, reducing the production cost, and the venturi tube 710 has no additional requirement for the water inlet manner, so that the cavitation member 70 can easily generate a large amount of bubbles.
Specifically, as shown in FIG. 5, the minimum radius d0 of the venturi 710 is 0.01mm to 10mm, and the radius d1 of each end of the venturi 710 is greater than or equal to the minimum radius of the venturi 710. It should be noted that the tube diameter of the venturi tube 710 determines the degree of hydrodynamic cavitation, and experiments prove that the venturi tube 710 with the above parameters has better cavitation effect and can generate more bubbles. More advantageously, the venturi 710 has a bore diameter of 1.5 mm. Of course, the specific parameters of the venturi 710 can be adjusted by the operator according to the actual working conditions, and are not limited to the above range.
More specifically, the radii of both ends of the venturi 710 are each 0.001mm to 30mm larger than the smallest radius of the venturi 710. It can be understood that, the venturi tube 710 has a throat portion with a narrowed end in the middle of the structure, and due to the narrowed radius, the flow velocity and the instantaneous water pressure of the water flow can both change in a sheet manner, so that the cavitation effect of the venturi tube 710 can be improved. Experiments prove that the venturi tube 710 with the parameters has better cavitation effect and can generate more bubbles. More advantageously, the radii of both ends of the venturi 710 are each 1mm greater than the smallest radius of the venturi 710. Of course, the specific parameters of the venturi 710 can be adjusted by the operator according to the actual working conditions, and are not limited to the above range.
In some embodiments, the sum of the narrowest location areas of the venturi 710 is, under any condition, less than the area of the inlet 130 of the dissolved air vessel 10. From this, can make the entry 130 flow that dissolves gas pitcher 10 be greater than venturi 710's exit flow all the time, consequently when dissolving gas pitcher 10 internal water injection, the water level can increase gradually, and dissolve gas pitcher 10 for relatively airtight space, the rising of water level can make the inside atmospheric pressure that dissolves gas pitcher 10 increase gradually, the solubility of air under high pressure state is greater than the low pressure state, that is to say this moment aquatic can dissolve more air, increased the air content in the rivers that pass through dissolve gas pitcher 10 from this for rivers can produce more bubbles when passing through venturi 710 device.
In other embodiments, the cavitation member 70 is an orifice plate having a plurality of micro-orifices. This makes it possible to easily separate out the air dissolved in the water flow passing through the cavitation member 70 and to form bubbles. The orifice plate with a plurality of micropores is used as the cavitation part 70, redundant water pumps, heating devices or control valves and the like are not needed to be designed, the structure of the cavitation part 70 is greatly simplified, the production cost is reduced, and the orifice plate has no additional requirement on a water inlet mode, so that the cavitation part 70 can easily generate a large amount of bubbles.
Specifically, the radius of the micropores on the pore plate is 0.01mm-10 mm. Experiments prove that the orifice plate with the parameters has better cavitation effect and can generate more bubbles. Of course, the specific parameters of the orifice plate can be adjusted by the operator according to the actual working conditions, and are not limited to the above range.
In some embodiments, the water flow excitation plate 50 has a lowest point. Therefore, the water splash splashed by the water flow excitation plate 50 can be made larger, and the contact area between the water flow and the air can be further increased. Advantageously, the water flow exciting plate 50 is formed in an arc shape, but the water flow exciting plate 50 may have a flat plate shape or the like.
In some embodiments, as shown in fig. 2 and 4, the inlet 130 is disposed at the top of the dissolved air tank 10, and the water flow excitation plate 50 is located below the inlet 130. It should be noted that the inlet 130 is provided at the top of the dissolved air tank 10 so that the water flow can fall down by its own weight and the water flow can be prevented from flowing out of the dissolved air tank 10 from the inlet 130.
Specifically, a through hole is provided at the lowest point of the water current excitation plate 50. Thus, the water flow can be prevented from exciting the accumulated liquid on the plate 50, and the water resource is wasted.
Specifically, the distance between the lowest point of the water current excitation plate 50 and the outlet 140 is 0.05mm or more. It can be understood that, since the water level inside the dissolved air tank 10 is changed from moment to moment during the work, the distance between the lowest point of the water flow excitation plate 50 and the outlet 140 is too small, which easily causes the water flow excitation plate 50 to block the water flow, and the water splash splashed by the water flow excitation plate 50 may directly splash to the outlet 140 and flow out of the dissolved air tank 10, thereby reducing the water treatment effect of the microbubble generator 1. Thus, in order not to affect the output of the outlet 140, the water flow activation plate needs to be at a distance of at least 0.05mm from the outlet.
Optionally, the drop between the lowest point and the highest point of the water flow excitation plate 50 is greater than or equal to 0.05 mm. It should be noted that the difference between the highest point and the lowest point of the water flow exciting plate 50 is too small to play a good role in splashing water flow. Therefore, the fall between the lowest point and the highest point of 0.05mm or more can increase the water splash splashed by the water flow excitation plate 50, and further increase the contact area between the water flow and the air.
In some embodiments, the inlet 130 of the dissolved air tank 10 is formed in a shape having a large top and a small bottom. Note that the inlet 130 of the dissolved air tank 10 is formed in a shape having a large top and a small bottom, so that tap water is sprayed when entering the dissolved air tank 10 through the inlet 130. Therefore, the contact area of water flow and air can be increased, the dissolving speed of the air is accelerated, the water inlet pressure can be increased, tap water with higher pressure can dissolve more air, and the solubility of the air can be increased by increasing the water inlet pressure.
In some embodiments, as shown in fig. 1-4, the microbubble generator 1 further comprises a gas valve 60 provided on the dissolved air tank 10. It should be noted that, when the air in the dissolved air tank 10 gradually dissolves, the air in the dissolved air tank 10 gradually decreases, and if the dissolved air tank 10 is not provided with the air valve 60, the microbubble generator 1 may not be able to continuously increase the amount of air dissolved in the water flow. The air valve 60 is arranged on the dissolved air tank 10, when the air in the dissolved air tank 10 is less, the air valve 60 is opened, the outside air enters the dissolved air tank 10, so that the dissolved air tank 10 is filled with sufficient air, and the dissolved air in the increased water flow which can be continuously generated by the micro-bubble generator 1 is ensured.
Optionally, the gas valve 60 is a one-way valve. Therefore, the air in the air dissolving tank 10 can be prevented from escaping from the air valve 60, and the air quantity in the air dissolving tank 10 is ensured, so that sufficient air can be dissolved when water flows through the air dissolving tank 10.
Optionally, the gas valve 60 is an electric control valve, and the microbubble generator 1 further includes a liquid level sensor for detecting a liquid level in the dissolved air tank 10, and the liquid level sensor is electrically connected to the electric control valve.
Optionally, the gas valve 60 is an electric control valve, and the microbubble generator 1 further includes a pressure sensor for detecting hydraulic pressure or air pressure in the dissolved air tank 10, and the pressure sensor is electrically connected to the electric control valve.
From this, pneumatic valve 60 can be according to the data switching that pressure sensor or level sensor detected, has guaranteed to have the air of the capacity in dissolving gas pitcher 10 all the time, and then has guaranteed that rivers can dissolve the air of the capacity when dissolving gas pitcher 10 to guarantee that rivers can produce the microbubble of the capacity when cavitation piece 70. In addition, because the air valve 60 is an electric control valve electrically connected with the pressure sensor and the liquid level sensor, the opening and closing of the air valve 60 are automated, and the air valve 60 can be ensured to be opened and closed in time. Of course, the air valve 60 may be a manual valve, and the operator opens and closes the air valve 60 according to data detected by the pressure sensor or the liquid level sensor.
The microbubble generator 1 according to two embodiments of the present invention will be described below with reference to fig. 1 to 4.
Example 1:
as shown in fig. 1 to 2, the microbubble generator 1 of the present embodiment includes a dissolved air tank 10, a water flow excitation plate 50, a cavitation member 70, and an air valve 60. The dissolved air tank 10 has an inlet 130 and an outlet 140, the inlet 130 being located above the outlet 140, the inlet 130 being adapted to admit water. The water current excitation plate 50 is provided in the dissolved air tank 10 and is provided corresponding to the inlet 130. The cavitation member 70 is provided at the outlet 140, and the cavitation member 70 bubbles the gas dissolved in the water by a cavitation effect. The gas valve 60 is arranged on the dissolved air tank 10.
As shown in fig. 2, the dissolved air tank 10 is composed of an upper cover 110 and a cover 120, and the upper parts of the inner peripheral wall of the upper cover 110 and the outer peripheral wall of the cover 120 are provided with mutually matched threads. The end surface of the upper cover 110 is provided with a water inlet pipe 111, and a communicating part between the water inlet pipe 111 and the cover 120 is formed as an inlet 130 of the dissolved air tank 10. The outer peripheral wall of the water inlet pipe 111 is provided with external threads for connecting with other equipment. The water flow excitation plate 50 is formed in an arc shape with a middle bottom and two high ends, and through holes are formed in the side wall and the bottom wall.
Example 2:
as shown in fig. 3 to 4, the microbubble generator 1 of the present embodiment includes a dissolved air tank 10, a siphon tube 20, a siphon cover 30, a water current excitation plate 50, an air valve 60, and a cavitation member 70. The dissolved air tank 10 is provided with an inlet 130 and an outlet 140, the inlet 130 is positioned above the outlet 140, the siphon pipe 20 is positioned in the dissolved air tank 10 and is connected with the outlet 140, the siphon cover 30 is positioned at the pipe orifice of the siphon pipe 20, the siphon cover 30 is provided with an annular cover edge for sleeving the siphon pipe 20, a siphon channel 40 is defined between the cover edge and the pipe wall of the siphon pipe 20, one end of the siphon channel 40, which is adjacent to the outlet 140, forms a siphon opening 410, one end of the siphon channel 40, which is far away from the outlet 140, forms a communication opening 420 communicated with the siphon pipe 20, and the siphon opening 410 is positioned below the communication opening 420. The cavitation member 70 is provided outside the dissolved gas tank 10 and connected to the outlet 140 of the dissolved gas tank 10
As shown in fig. 4, the dissolved air tank 10 is composed of an upper cover 110 and a cover 120, and the upper portions of the inner peripheral wall of the upper cover 110 and the outer peripheral wall of the cover 120 are provided with mutually matching threads. The end surface of the upper cover 110 is provided with a water inlet pipe 111, and a communicating part between the water inlet pipe 111 and the cover 120 is formed as an inlet 130 of the dissolved air tank 10. The outer peripheral wall of the water inlet pipe 111 is provided with external threads for connecting with other equipment. The water flow excitation plate 50 is formed in an arc shape with a middle bottom and two high ends, and through holes are formed in the side wall and the bottom wall.
The method for generating microbubbles according to the embodiment of the invention comprises the following steps: s1: spraying water flow to a water flow excitation plate 50 in the dissolved air tank to form water splash, so that the water flow dissolves air in the dissolved air tank; s2: cavitation is used to squeeze out the dissolved air in the water stream to form micro-bubbles.
The microbubble generation method is simple and easy to implement, an additional water pump or a heating device is not required, and the generation cost is reduced.
In some embodiments, the process of dissolving gas in the gas dissolving tank 10 includes at least one phase, each phase including a gas lock phase in which the gas dissolving tank 10 is blocked from the outside atmosphere and a ventilation phase in which the gas dissolving tank 10 is open to the outside atmosphere. It can be understood that, the dissolved air tank 10 is isolated from the outside atmosphere in the air-closed stage, so that when the water level of the dissolved air tank 10 rises, the dissolved air tank 10 is in a relatively airtight state, air can be sufficiently dissolved in the water flowing through the dissolved air tank 10, and the water can generate more bubbles after passing through the cavitation member 70. The dissolved air tank 10 is connected to the outside atmosphere in the aeration phase, and the aeration phase may replenish the air in the dissolved air tank 10, so that the dissolved air tank 10 has enough air for dissolution, thereby enabling the microbubble generator 1 to continuously generate a large amount of bubbles.
Specifically, the dissolved air tank 10 has an inlet 130 and an outlet 140, and the dissolved air tank 10 is higher in level than the outlet 140 to block the outside atmosphere in the gas-off period. From this, when the phase of holding off the gas is to dissolving in the gas pitcher 10 water injection, the water level can increase gradually, and dissolve gas pitcher 10 and be relatively inclosed space, the rising of water level can make the atmospheric pressure that dissolves gas pitcher 10 inside increase gradually, and the solubility of air under high pressure state is greater than the low pressure state, and more air can be dissolved in this moment aquatic, has increased the air content in the rivers that pass through gas pitcher 10 from this for rivers can produce more bubbles when passing through cavitation spare 70.
In some embodiments, the outflow rate of cavitation member 70 is less than the inflow rate of inlet 130 of cylinder 10. From this, when dissolving in gas pitcher 10 water injection, the water level can increase gradually, and dissolve gas pitcher 10 and be relatively inclosed space, and the rising of water level can make the atmospheric pressure of dissolving gas pitcher 10 inside increase gradually, and the solubility of air under high pressure state is greater than the low pressure state, and more air can be dissolved in this moment aquatic to increased the air content in the rivers that dissolve gas pitcher 10, made rivers can produce more bubbles when passing through venturi 710 device.
In some embodiments, the dissolved air tank 10 stops water entry and is vented to the outside atmosphere through the air valve 60 during the aeration phase. Thereby, it is possible to make the water in the dissolved air tank 10 quickly discharged in the aeration stage, so that more air can be contained in the dissolved air tank 10.
In some alternative embodiments, cavitation is achieved in step S2 by a venturi 710 or an orifice plate with a plurality of micro-orifices. This makes it possible to easily separate out the air dissolved in the water flow passing through the cavitation member 70 and to form bubbles. The orifice plate or the venturi tube 710 having a plurality of micro-holes is used as the cavitation member 70, and it is unnecessary to design an extra water pump, a heating device or a control valve, etc., thereby greatly simplifying the structure of the cavitation member 70, reducing the production cost, and the orifice plate or the venturi tube 710 has no additional requirement for a water inlet manner, so that the cavitation member 70 can easily generate a large amount of bubbles.
According to the laundry treatment apparatus of the embodiment of the present invention, the laundry treatment apparatus includes the tub and the microbubble generator 1, and the microbubble generator 1 is the microbubble generator 1 described above. The micro-bubble generator 1 is provided at a water inlet of the laundry treatment apparatus, the water tub is filled with water through the micro-bubble generator 1, or the inlet 130 of the dissolved air tank 10 in the micro-bubble generator 1 is communicated with the water tub to flow water in the water tub, and the cavitation part 70 in the micro-bubble generator 1 is communicated with the water tub to return water with bubbles to the water tub.
It is noted that, in some embodiments of the present invention, the microbubble generator 1 is provided at the water intake of the laundry treatment apparatus, and the tub is fed with water through the microbubble generator 1. Therefore, the water injected into the clothes treatment device contains a large amount of micro bubbles, and the micro bubble water is used as washing water, so that the using amount of washing powder or detergent can be reduced, water and electricity resources are saved, and the residual washing powder or detergent on clothes is reduced. In other embodiments of the present invention, the inlet 130 of the dissolved air tank 10 in the microbubble generator 1 communicates with the tub to flow the water in the tub, and the cavitation 70 in the microbubble generator 1 communicates with the tub to flow the bubbled water back to the tub. Therefore, water in the water containing barrel can circularly enter the micro-bubble generator 1 in the washing process, so that new micro-bubbles are continuously generated in the washing water, the using amount of washing powder or detergent can be greatly reduced, water and electricity resources are saved, and the washing powder or detergent remained on clothes is reduced.
According to the clothes treatment device provided by the embodiment of the invention, as the micro-bubble generator 1 is arranged on the clothes treatment device, a large amount of micro-bubbles can be contained in the washing water, the using amount of washing powder or detergent is reduced, water and electricity resources are saved, and the washing powder or detergent remained on the clothes is reduced.
In some embodiments, when the microbubble generator 1 is disposed at the water inlet of the laundry treating apparatus, the water inlet valve 80 is further disposed at the inlet 130 of the dissolved air tank 10, the air valve 60 is further disposed on the dissolved air tank 10, and the water inlet valve 80 and the air valve 60 are alternately opened.
The washing process of the clothes treatment device of the embodiment of the invention is as follows:
the first step is as follows: when the clothes treating apparatus starts to work, the water inlet valve 80 is opened, the air valve 60 of the dissolved air tank 10 is closed, and the volume range of the dissolved air tank 10 is in the range of 0.01L-10L.
Since the flow rate of the discharged water of the microbubble generator 1 is smaller than the flow rate of the introduced water, the pressure of the introduced water (tap water pressure) is greater than the original pressure (atmospheric pressure) in the dissolved air tank 10. Therefore, the water amount in the dissolved air tank 10 gradually enriches until the pressure of the residual gas is equal to the water pressure of the tap water. Pressurization of the gas in the dissolved air tank 10 is achieved, and the solubility of the air in the high pressure state is greater than that in the low pressure state, so the process improves the solubility of the air in water. When water flows into the dissolved air tank 10, a large amount of water splash is splashed due to the blocking and flow guiding effects of the water flow excitation plate, and the dissolving capacity of air in water is improved. After the water flow passes through the cavitation member 70, a large amount of air dissolved in the water is cavitated and separated out in the form of micro bubbles by the cavitation effect, and micro bubble water is generated.
The second step is that: when the amount of the inflow water reaches the amount required for washing, the inflow valve 80 is closed, and the laundry treating apparatus washes normally.
And thirdly, after the water inlet valve 80 is closed, the air valve 60 is opened at intervals ranging from 1s to 1s before the next rinsing. The interval of time is used to release the pressure of the air storage in the dissolved air tank 10. After the release is finished, the air valve 60 can be closed, and the air valve 60 is opened to communicate with the atmosphere and empty the water stored in the dissolved air tank 10.
The fourth step: after the drainage of the water stored in the air dissolving tank 10 is completed, the clothes treating apparatus normally operates until the next water intake, and the above operation is repeated.
The clothes treatment device provided by the embodiment of the invention can be filled with micro-bubble water in the washing and rinsing stages, and the micro-bubble water plays a role in assisting in cleaning, sterilizing and reducing the residual detergent.
In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (19)
1. A microbubble generator, comprising:
the dissolved air tank is provided with an inlet and an outlet, the inlet is positioned above the outlet and is suitable for water to enter, and the shape of the inlet of the dissolved air tank is large in the upper part and small in the lower part;
the water flow excitation plate is arranged in the dissolved air tank and corresponds to the inlet, so that water at the inlet is sprayed to the water flow excitation plate to form water splash, and water flow can be fully mixed with air in the dissolved air tank;
the cavitation piece is arranged outside the gas dissolving tank and connected with the outlet, or the cavitation piece is arranged at the outlet and used for making gas dissolved in water into bubbles through cavitation effect, and the cavitation piece comprises a Venturi tube; wherein,
venturi's narrowest position area sum all is less than under any condition dissolve the gas pitcher the area of entry, the play water velocity of flow of cavitation piece is less than dissolve the inflow velocity of flow of gas pitcher entry, to the water level can increase gradually when dissolving the interior water injection of gas pitcher, just it is relative inclosed space to dissolve the gas pitcher.
2. The microbubble generator of claim 1, wherein the venturi tube has a minimum radius of 0.01mm-10mm, and the radius of both ends of the venturi tube is equal to or greater than the minimum radius of the venturi tube.
3. The microbubble generator of claim 2, wherein the radius of both ends of the venturi tube is 0.001mm-30mm larger than the minimum radius of the venturi tube.
4. The microbubble generator as claimed in claim 1, wherein the cavitation member is an orifice plate provided with a plurality of minute holes.
5. The microbubble generator of claim 4, wherein the micro-pores of the orifice plate have a radius of 0.01mm to 10 mm.
6. The microbubble generator of claim 1, wherein the water current excitation plate has a lowest point.
7. The microbubble generator as claimed in claim 6, wherein the water current excitation plate is provided at the lowest point with a through hole.
8. The microbubble generator as claimed in claim 6, wherein a drop height between a lowest point and a highest point of the water current excitation plate is 0.05mm or more.
9. The microbubble generator of claim 6, wherein a distance between the lowest point of the water current excitation plate and the outlet is equal to or greater than 0.05 mm.
10. The microbubble generator of any one of claims 1 to 9, further comprising a gas valve provided on the dissolved air tank.
11. The microbubble generator of claim 10, wherein the gas valve is a one-way valve.
12. The microbubble generator of claim 10, wherein the gas valve is an electronically controlled valve, the microbubble generator further comprising a level sensor for detecting a liquid level within the gas tank, the level sensor being electrically connected to the electronically controlled valve; and/or the presence of a gas in the gas,
the pneumatic valve is the automatically controlled valve, microbubble generator still includes and is used for detecting the pressure sensor of hydraulic pressure or atmospheric pressure in the gas dissolving tank, pressure sensor with the automatically controlled valve electricity is connected.
13. A method for generating microbubbles, comprising the steps of:
s1: after entering the inlet of the dissolved air tank with large upper part and small lower part, water flow is sprayed to the water flow excitation plate in the dissolved air tank to form water splash, so that the water flow dissolves air in the dissolved air tank;
s2: separating out the dissolved air in the water flow by utilizing the cavitation effect to form micro bubbles, wherein the cavitation piece comprises a Venturi tube; wherein,
venturi's narrowest location area sum all is less than under any condition dissolve the entry area of gas pitcher, the play velocity of water of cavitation piece is less than dissolve the velocity of water of gas pitcher entry, to the water level can increase gradually when dissolving the water injection in the gas pitcher, just it is relative inclosed space to dissolve the gas pitcher.
14. The method of generating microbubbles according to claim 13, wherein the dissolved gas process of the dissolved gas tank comprises at least one phase, each phase comprising a gas-off phase in which the dissolved gas tank is isolated from the outside atmosphere and a gas-on phase in which the dissolved gas tank is open to the outside atmosphere.
15. The method of generating microbubbles according to claim 14, wherein the dissolved gas tank has an inlet and an outlet, and the dissolved gas tank is shut off from the outside atmosphere by a liquid level higher than the outlet in the gas shut-off period.
16. The method of generating microbubbles according to claim 14, wherein the dissolved gas tank stops water inflow and communicates with the outside atmosphere through a gas valve in the aeration period.
17. The method of generating microbubbles according to claim 13, wherein the cavitation effect is achieved by a cavitation member comprising an orifice plate having a plurality of minute orifices in step S2.
18. A laundry treating apparatus, characterized in that the laundry treating apparatus comprises: a tub and a microbubble generator, the microbubble generator being the microbubble generator according to any one of claims 1 to 12;
the micro-bubble generator is arranged at the water inlet of the clothes treatment device, and the water containing barrel is filled with water through the micro-bubble generator; or,
the inlet of the dissolved air tank in the microbubble generator is communicated with the water barrel to flow water in the water barrel, and the cavitation part in the microbubble generator is communicated with the water barrel to flow water with bubbles back to the water barrel.
19. The laundry processing apparatus according to claim 18, wherein when the microbubble generator is provided at an inlet of the laundry processing apparatus, a water inlet valve is further provided at the inlet of the dissolved air tank, and a gas valve is further provided on the dissolved air tank, and the water inlet valve and the gas valve are alternately opened.
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| CN202110538643.1A CN113265845B (en) | 2017-10-17 | 2017-10-17 | Microbubble generator, microbubble generating method, and clothes treating apparatus |
| CN201710963004.3A CN109667106B (en) | 2017-10-17 | 2017-10-17 | Microbubble generator, microbubble generating method, and clothes treating apparatus |
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| WO2020103334A1 (en) * | 2018-11-21 | 2020-05-28 | 无锡小天鹅电器有限公司 | Cavitation member of microbubble generator, microbubble generator and washing device |
| CN112294221A (en) * | 2019-08-02 | 2021-02-02 | 佛山市顺德区美的洗涤电器制造有限公司 | Washing apparatus |
| CN112439337B (en) * | 2019-08-30 | 2022-07-26 | 宁波方太厨具有限公司 | Micro-nano bubble generating device and cleaning machine applying same |
| CN112439336B (en) * | 2019-08-30 | 2022-10-21 | 宁波方太厨具有限公司 | Micro-nano bubble generating device and cleaning machine applying same |
| CN110813114A (en) * | 2019-09-30 | 2020-02-21 | 芜湖美的厨卫电器制造有限公司 | Bubble generation device, water heater and bubble water preparation method of bubble generation device |
| CN113520247B (en) * | 2020-04-14 | 2023-02-10 | 宁波方太厨具有限公司 | Cleaning machine and cleaning method |
| CN112369990B (en) * | 2020-09-30 | 2021-10-29 | 宁波方太厨具有限公司 | Micro-nano bubble generating device and cleaning machine applying same |
| CN112941835B (en) * | 2021-01-29 | 2022-07-26 | 江南大学 | Method, device and system for preparing wet foam fluid and washing and disinfecting method |
| CN114045635A (en) * | 2021-11-30 | 2022-02-15 | 珠海格力电器股份有限公司 | Steam generator for clothes treatment device and clothes treatment device |
| CN114411382B (en) * | 2022-01-28 | 2024-01-16 | 海信冰箱有限公司 | Washing machine control method and washing machine applying same |
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| CN113265845B (en) | 2022-09-06 |
| CN113265845A (en) | 2021-08-17 |
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