CN108854615B - Micro-bubble water generating device and automatic drainage method thereof - Google Patents
Micro-bubble water generating device and automatic drainage method thereof Download PDFInfo
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- CN108854615B CN108854615B CN201710326455.6A CN201710326455A CN108854615B CN 108854615 B CN108854615 B CN 108854615B CN 201710326455 A CN201710326455 A CN 201710326455A CN 108854615 B CN108854615 B CN 108854615B
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- 239000007788 liquid Substances 0.000 claims abstract description 166
- 238000001514 detection method Methods 0.000 claims description 65
- 239000000523 sample Substances 0.000 claims description 35
- 238000007599 discharging Methods 0.000 claims description 3
- 239000008400 supply water Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 230000008676 import Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000010865 sewage Substances 0.000 description 1
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- 235000020679 tap water Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/2319—Methods of introducing gases into liquid media
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/2366—Parts; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/211—Measuring of the operational parameters
- B01F35/2112—Level of material in a container or the position or shape of the upper surface of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/211—Measuring of the operational parameters
- B01F35/2113—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/7543—Discharge mechanisms characterised by the means for discharging the components from the mixer using pneumatic pressure, overpressure or gas pressure in a closed receptacle or circuit system
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices For Medical Bathing And Washing (AREA)
Abstract
The invention belongs to the technical field of micro-bubble water generation equipment, and discloses a micro-bubble water generation device which comprises a closed gas-liquid mixer and a preliminary mixing device, wherein an inlet is formed in the upper part of the gas-liquid mixer, a drain valve is formed in the bottom of the gas-liquid mixer, water and gas which are preliminarily mixed by the preliminary mixing device enter the gas-liquid mixer through the inlet, an electric control stop valve is arranged at the water inlet of the preliminary mixing device, the electric control stop valve is connected with a controller, and a drain button is arranged on the controller. The invention also discloses an automatic drainage method of the micro-bubble water generating device. Open the drain valve and press the drainage button through the user, the water in the automatically controlled stop valve of controller control closes the gas-liquid mixer can discharge under the pressure in the gas-liquid mixer, perhaps admits air preset time T1 in to the gas-liquid mixer through controller control air pump, can discharge the water in the gas-liquid mixer fast, can not cause the potential safety hazard to the user moreover, has ensured user's personal safety.
Description
Technical Field
The invention relates to the technical field of micro-bubble water generating equipment, in particular to a micro-bubble water generating device and an automatic water draining method thereof.
Background
Microbubbles are microbubbles of 50 μm or less. The micro-bubble water generation principle is mainly realized by a differential pressure mixing method. Under a certain pressure, a certain gas (such as air) is fully mixed with water to form a gas-water mixed solution, and then the pressure is released by expansion, so that the gas dissolved in the water is suddenly polymerized to form fine micro-bubbles to be milk-white. The process change is the mixing state of gas and water, and belongs to physical change. The water has strong decontamination function, is industrially used for treating production sewage, has certain effect on cultivation and improving ecological environment, and is generally used for washing and the like in daily life.
The existing micro-bubble water is usually generated by a micro-bubble water generating device, and the micro-bubble water generating device generally comprises three parts, namely a water path supercharging device, a gas path supplementing device and a gas-liquid mixer. They are connected by pipelines and special joints. The working principle is as follows: water and external air passing through the air path supplementing device enter the air-liquid mixer together through the water path supercharging device, and the water and the air are fully mixed and compressed under the high-pressure action of the air-liquid mixer. And finally, the generation of micro-bubble water can be realized through a specific drain valve.
Under the condition that the effect of going out water at little bubble water is not obvious or need not wait for a long time, need empty the water in the gas-liquid mixer to produce new little bubble water, prior art is generally manual to open the release valve, make gas-liquid mixer and external atmosphere link to each other, the water in the gas-liquid mixer slowly flows out the gas-liquid mixer by self gravity completely, this kind of mode can lead to user's latency overlength, when the user manually opens the release valve simultaneously, if gas-liquid mixer pressure is great, can have certain potential safety hazard.
Disclosure of Invention
The invention aims to provide a micro-bubble water generating device and an automatic drainage method thereof, and aims to solve the problems that the waiting time of a user is too long and potential safety hazards exist when the existing micro-bubble water generating device drains water.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a little bubble water generates device, includes an inclosed gas-liquid mixer and preliminary mixing arrangement, the upper portion of gas-liquid mixer is equipped with the import, and the bottom is equipped with the drain valve, and the water and the gas warp of preliminary mixing arrangement preliminary mixing the import enters gas-liquid mixer, preliminary mixing arrangement's water inlet department is equipped with automatically controlled stop valve, automatically controlled stop valve is connected with the controller, be equipped with the drainage button on the controller.
Preferably, a pressure detection unit connected to the controller is provided at an upper end of the gas-liquid mixer.
As preferred, still including all connecting in preliminary mixing arrangement's play water pressure is the water source and the air pump of default pressure, the air pump connect in the controller, the water of water source output and the gas that the air pump was carried are by preliminary mixing arrangement preliminary mixing, and the warp the import is gone into in the gas-liquid mixer.
Preferably, one side of the water source is provided with a first one-way valve which can be conducted along the water inlet direction, and one side of the air pump is provided with a second one-way valve which can be conducted along the air inlet direction.
Preferably, the device also comprises a liquid level detection unit arranged in the gas-liquid mixer, wherein the liquid level detection unit comprises a first detection probe and a second detection probe which are arranged from high to low and respectively correspond to one liquid level detection point;
or the liquid level detection unit comprises a first detection probe, a second detection probe and a third detection probe which are arranged from high to low and respectively correspond to one liquid level detection point.
The invention also provides an automatic drainage method of the micro-bubble water generating device, which comprises the following steps:
a user opens the drain valve and presses a drain button on the controller, and the controller controls the electric control stop valve to close;
the pressure in the gas-liquid mixer discharges the water in the gas-liquid mixer through a drain valve,
or, gas is conveyed into the gas-liquid mixer through the preliminary mixing device, and water in the gas-liquid mixer is discharged through a drain valve.
Preferably, air is introduced into the air-liquid mixer through the preliminary mixing device by an air pump, and the controller closes the air pump when the air is introduced for a preset time T1.
Preferably, when the user presses the drain button without opening the drain valve, the pressure detection unit detects the pressure in the gas-liquid mixer, and when the pressure detection unit detects that the pressure in the gas-liquid mixer exceeds a set value, the controller closes the air pump and sends an alarm to prompt the user to open the drain valve.
Preferably, when water is not discharged, the liquid level in the gas-liquid mixer is detected through the liquid level detection unit, when the liquid level in the gas-liquid mixer is lower than a second set value, a water source with water outlet pressure of preset pressure and the air pump are controlled to simultaneously feed water and feed air into the preliminary mixing device, the water is preliminarily mixed by the preliminary mixing device and then conveyed into the gas-liquid mixer, and water inlet time T2 is recorded when the water source is controlled to feed water;
when the liquid level in the gas-liquid mixer reaches a second set value, if the water inlet time T2 is more than or equal to the set water inlet time T3, the water source and the air pump are closed;
preferably, after the water source and the air pump are turned off, if the liquid level falls to or below the first set value, the water source and the air pump are controlled to feed water and air into the gas-liquid mixer.
Preferably, if the water inlet time T2 is less than the set water inlet time T3, the air pump is closed, and the water source is controlled to continuously feed water to the set water inlet time T3.
According to the invention, the controller controls the electric control stop valve to close the water in the gas-liquid mixer by opening the drain valve and pressing the drain key by a user, so that the water can be discharged under the pressure in the gas-liquid mixer, and potential safety hazards to the user can be avoided.
The air pump can be controlled by the controller to feed air into the air-liquid mixer for the preset time T1, so that water in the air-liquid mixer can be discharged quickly, potential safety hazards to users cannot be caused, and personal safety of the users is guaranteed.
Drawings
FIG. 1 is a schematic diagram of a micro-bubble water generating device according to a first embodiment of the present invention;
fig. 2 is a schematic view of a micro bubble water generating apparatus according to a second embodiment of the present invention.
In the figure:
1. a gas-liquid mixer; 2. a water inlet pipeline; 3. an air intake line; 4. a first check valve; 5. a water source; 6. an air pump; 7. a second check valve; 8. a liquid level detection unit; 9. an electrically controlled stop valve; 10. a pressure relief valve; 11. a drain valve; 12. a preliminary mixing device; 13. a pipe joint; 14. a pressure detection unit; 81. a first detection probe; 82. a second detection probe; 83. a third detection probe.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The first embodiment is as follows:
in this embodiment, as shown in fig. 1, the micro bubble water generating apparatus includes a sealed gas-liquid mixer 1, an inlet is disposed at an upper portion of the gas-liquid mixer 1, a drain valve 11 is connected to a bottom portion of the gas-liquid mixer 1, and a pipeline joint 13 is disposed at the inlet.
The pipe joint 13 is connected with a preliminary mixing device 12 through a pipe, the preliminary mixing device 12 is used for preliminarily mixing water and gas, conveying the preliminarily mixed water and gas into the gas-liquid mixer 1 through the pipe joint 13 and the inlet, and mixing the preliminarily mixed water and the gas with a certain pressure in the gas-liquid mixer 1 again to form micro-bubble water, and the micro-bubble water can be continuously output at a certain liquid level in the gas-liquid mixer. In this embodiment, the preliminary mixing device 12 may be a jet device, or may be another device capable of realizing preliminary mixing of water and gas.
The preliminary mixing device 12 is connected with a water inlet pipeline 2 and an air inlet pipeline 3 respectively, wherein:
the water inlet pipeline 2 is connected to a water source 5 with a water outlet pressure of a preset pressure, the preset pressure of the water source 5 is a pressure that satisfies the water pressure required for gas-liquid mixing in the gas-liquid mixer 1, and the water at a preset water pressure is delivered into the preliminary mixing device 12 through the water inlet pipeline 2, in this embodiment, the preset pressure is preferably 0.3-0.5MPa. The water source 5 may be tap water with a water outlet pressure of a preset pressure, or may be other devices for delivering water with a preset pressure.
The water inlet pipe 2 is provided with a first one-way valve 4, wherein the first one-way valve 4 is capable of being conducted along the water inlet direction, is located between the water source 5 and the preliminary mixing device 12, and is used for preventing water from flowing backwards, and the water source 5 can be connected to a controller (not shown in the figure) of the micro-bubble water generating device, and is controlled by the controller to be opened and closed. The water source 5 may also be turned on and off manually. In this embodiment, it is preferable that the water source 5 is connected to the controller, at this time, an electrically controlled stop valve 9 connected to the controller is disposed on the water inlet pipeline 2, the electrically controlled stop valve 9 is disposed between the first check valve 4 and the preliminary mixing device 12 or between the water source 5 and the first check valve 4, and the controller can control the opening and closing of the water source 5 through the electrically controlled stop valve 9.
The air inlet pipeline 3 is provided with an air pump 6 and a second one-way valve 7, and the second one-way valve 7 can be conducted along the air inlet direction and can be positioned at one side of the air pump 6 for preventing the air from flowing backwards. The air pump 6 is connected to the controller, and delivers air into the preliminary mixing device 12 through the air intake pipe 4, and preliminary mixing of air and water is performed by the preliminary mixing device 12. In this embodiment, the air pump 6 may be a pump having a pressurization function (e.g., a high-pressure air pump) so that the delivered air reaches a predetermined pressure, and the air pump 6 may be another device capable of delivering air at a predetermined pressure.
In the embodiment, by the above preliminary mixing device 12, when the water source 5 and the air pump 6 are turned on, the water of the water source 5 and the air pressurized by the air pump 6 are delivered into the preliminary mixing device 12, mixed in the preliminary mixing device 12, and then delivered into the gas-liquid mixer 1 by the preliminary mixing device 12, and mixed with the air maintained at a certain pressure in the gas-liquid mixer 1 again to form micro bubble water.
In this embodiment, a drain button (not shown) is provided on the controller, and when the user presses the drain button, the micro-bubble water generator enters a drain state. When the micro-bubble water outlet effect is not obvious or the micro-bubble water outlet effect is not used for a long time, the water in the gas-liquid mixer 1 needs to be discharged, at the moment, the user opens the drain valve 11 and presses the drain button, the controller controls the electric control stop valve 9 to be closed, the water source 5 is closed, the water inlet pipeline 2 is disconnected, and the water in the gas-liquid mixer 1 is discharged out of the drain valve 11 through the pressure in the gas-liquid mixer 1. Through the mode, water in the gas-liquid mixer 1 can be discharged quickly, potential safety hazards to users cannot be caused, and personal safety of the users is guaranteed.
In this embodiment, a liquid level detection unit 8 is disposed in the gas-liquid mixer 1, and the liquid level detection unit 8 detects at least two liquid level detection points from high to low, for example: the embodiment can detect that two liquid level detection points exist. Specifically, the liquid level detection unit 8 includes a first detection probe 81 and a second detection probe 82, which are disposed from high to low, and the two detection probes respectively correspond to two liquid level detection points for detecting whether the liquid in the gas-liquid mixer 1 reaches the liquid level detection points.
The liquid level detecting unit 8 may also detect three liquid level detecting points, and at this time, the liquid level detecting unit 8 includes a first detecting probe 81, a second detecting probe 82, and a third detecting probe 83, which are disposed from high to low, and the three detecting probes respectively correspond to the three liquid level detecting points.
In this embodiment, a pressure release valve 10 is further provided at the upper end of the gas-liquid mixer 1, when the first detection probe 81 of the liquid level detection unit 8 fails or the controller of the microbubble water generating apparatus fails, the water source 5 may continuously feed water into the gas-liquid mixer 1, and through the pressure release valve 10, if the pressure in the gas-liquid mixer 1 reaches the pressure release pressure value of the pressure release valve 10, the pressure may be released by the pressure release valve 10, so as to ensure the safety of the gas-liquid mixer 1.
When the water in the gas-liquid mixer 1 needs to be discharged, a user opens the water discharge valve 11 and presses the water discharge button, the controller controls the electric control stop valve 9 to be closed, the water source 5 is further closed, the water inlet pipeline 2 is further disconnected, and the water in the gas-liquid mixer 1 can be discharged through the water discharge valve 11 under certain pressure due to the pressure in the gas-liquid mixer.
By the drainage method, water can be drained through the pressure of the gas-liquid mixer 1, so that the drainage step is simplified, and potential safety hazards to users can be avoided.
In the embodiment, further, when water is not discharged, that is, micro bubble water needs to be generated, water may be delivered into the gas-liquid mixer 1 through the water source 5, and gas may be delivered into the gas-liquid mixer 1 through the air pump 6, and the water and the gas maintaining a certain pressure in the gas-liquid mixer 1 are mixed to form the micro bubble water. And the liquid level of accessible liquid level detection unit 8 in to gas-liquid mixer 1 detects, when the liquid level in gas-liquid mixer 1 is less than the second set value that second detection probe 82 corresponds, second detection probe 82 feedback signal gives the controller, controller control water source 5 is opened (also can the manual work open water source 5) and air pump 6 starts to advance water and admit air in preliminary mixing arrangement 12, the water that water source 5 carried and the gas that air pump 6 carried can carry out preliminary mixing under preliminary mixing arrangement 12's effect, and water and gas after the preliminary mixing are in preliminary mixing arrangement 12 flow direction gas-liquid mixer 1, and form little bubble water in gas-liquid mixer 1. When the water source 5 is turned on, the controller records the water inlet time T2 of the water source 5. As the water source 5 continuously feeds water, the water level in the gas-liquid mixer 1 rises, and the liquid level in the gas-liquid mixer 1 reaches the second set value corresponding to the second detection probe 82.
When the liquid level reaches a second set value corresponding to the second detection probe 82, the second detection probe 82 feeds back a signal to the controller, the controller determines whether the water inlet time T2 of the water source 5 is greater than or equal to a set water inlet time T3, if the water inlet time T2 of the water source 5 is greater than or equal to the set water inlet time T3, it indicates that the pressure in the gas-liquid mixer 1 reaches the required pressure, and at this time, the controller closes the water source 5 (or manually closes the water source 5) and the air pump 6.
Further, when the number of the detection probes of the liquid level detection unit 8 is three, the liquid level reaches the second set value corresponding to the second detection probe 82, and the operation time T2 is greater than or equal to the set water inlet time T3, after the water source 5 and the air pump 6 are turned off, when the user uses micro bubble water, the liquid level falls between the third detection probe 83 and the second detection probe 82, at this time, the water source 5 is not turned on, until the liquid level falls to the first set value corresponding to the third detection probe 83 and below, the water source 5 and the air pump 6 are controlled to feed water and intake air into the preliminary mixing device 12, and flow into the gas-liquid mixer 1 through the preliminary mixing device 12, and the above process is repeated until the liquid level reaches the second set value corresponding to the second detection probe 82.
If the water inlet time T2 is less than the set water inlet time T3, at this time, although the liquid level reaches the second set value corresponding to the second detection probe 82, the pressure in the gas-liquid mixer 1 may not reach the required pressure, at this time, the controller controls the water source 5 to continuously feed water (or manually opens the water source 5 to feed water) for the set water inlet time T3, and the air pump 6 is turned off;
with the continuous water inflow of the water source 5, in the process that the water source 5 continuously inflows water until the set water inflow time T3, if the liquid level in the gas-liquid mixer 1 reaches a third set value corresponding to the first detection probe 81, the first detection probe 81 feeds back a signal to the controller, the controller closes the water source 5 (or manually closes the water source 5), and an alarm is sent through a display or a buzzer to prompt a user that the pressure in the gas-liquid mixer 1 is too high, so that the water needs to be drained in time, and the problem that the pressure in the gas-liquid mixer 1 is too high and the safety performance of the gas-liquid mixer 1 is influenced is avoided.
In this embodiment, when the controller that liquid level detection unit 8 became invalid and could not detect the third setting value or little bubble water generation device became invalid, water source 5 still can continuously intake this moment, and the pressure in the gas-liquid mixer 1 is bigger and bigger, and when the pressure in the gas-liquid mixer 1 reached the pressure release pressure value of relief valve 10, can carry out the pressure release through relief valve 10 to make the pressure in the gas-liquid mixer 1 no longer rise, avoid gas-liquid mixer 1 too high pressure to influence safe handling.
Example two:
the present embodiment provides a micro-bubble water generating device and an automatic drainage method thereof, wherein the micro-bubble water generating device has substantially the same structure as the first embodiment, except that:
in this embodiment, when the user presses the drainage button, the microbubble water generating device enters a drainage state, and after the user opens the drainage valve 11, the controller controls the electrically controlled stop valve 9 to close, and starts the air pump 6 to introduce air into the gas-liquid mixer 1, so that the pressure in the gas-liquid mixer 1 is increased, and then the water in the gas-liquid mixer 1 is rapidly discharged.
Further, as shown in fig. 2, a pressure detection unit 14 connected to the controller is disposed in the gas-liquid mixer 1 of the present embodiment, specifically, the pressure detection unit 14 may be a pressure sensor, when a user presses a drain button and forgets to open the drain valve 11, the pressure in the gas-liquid mixer 1 may be increased due to continuous air intake of the air pump 6, and when the pressure detection unit 14 detects that the pressure in the gas-liquid mixer 1 exceeds a set value, the controller closes the air pump 6, and gives an alarm in a sound or screen display manner to prompt the user to open the drain valve 11.
The rest of the structure of the microbubble water generating device in this embodiment is the same as that in the first embodiment, and is not described again. Through the mode that the air pump 6 admits air into the gas-liquid mixer 1, the water in the gas-liquid mixer 1 can be discharged more quickly, so that a user does not need to wait for a long time, and the personal safety of the user is also ensured.
The automatic drainage method of the micro-bubble water generating device of the embodiment is different from the first embodiment in that:
in the embodiment, when water needs to be drained, firstly, the user opens the drain valve 11, and presses the drain button, then the controller controls the electrically controlled stop valve 9 to close to disconnect the water inlet pipeline 2, and simultaneously the controller controls the air pump 6 to feed air into the gas-liquid mixer 1, so as to discharge water in the gas-liquid mixer 1 through the drain valve 11.
The other process steps of the automatic water discharging method of the micro-bubble water generating device in this embodiment are the same as those in the first embodiment, and are not described again.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. The micro-bubble water generating device is characterized by comprising a closed gas-liquid mixer (1) and a preliminary mixing device (12), wherein an inlet is formed in the upper part of the gas-liquid mixer (1), a drain valve (11) is formed in the bottom of the gas-liquid mixer (1), water and gas which are preliminarily mixed by the preliminary mixing device (12) enter the gas-liquid mixer (1) through the inlet, an electric control stop valve (9) is arranged at a water inlet of the preliminary mixing device (12), the electric control stop valve (9) is connected with a controller, and a drain key is arranged on the controller;
the device is characterized by further comprising a water source (5) and an air pump (6), wherein the water source (5) and the air pump (6) are connected to the preliminary mixing device (12), the water outlet pressure of the preliminary mixing device is preset pressure, the air pump (6) is connected to the controller, water output by the water source (5) and air conveyed by the air pump (6) are preliminarily mixed by the preliminary mixing device (12), and enter the gas-liquid mixer (1) through the inlet;
the micro bubble water generating device enters a drainage state, after a drainage valve (11) is opened, the controller controls the electric control stop valve (9) to be closed, and starts the air pump (6) to feed air into the gas-liquid mixer (1), so that the pressure in the gas-liquid mixer (1) is increased, and the water in the gas-liquid mixer (1) is quickly discharged; a pressure detection unit (14) connected to the controller is arranged at the upper end of the gas-liquid mixer (1), a pressure release valve (10) is arranged at the upper end of the gas-liquid mixer (1), and when the controller fails, if the pressure in the gas-liquid mixer (1) reaches the pressure release value of the pressure release valve (10), the pressure can be released by the pressure release valve (10);
when a user presses a drainage key and does not open the drainage valve (11), the pressure detection unit (14) is used for detecting the pressure in the gas-liquid mixer (1), and when the pressure detection unit (14) detects that the pressure in the gas-liquid mixer (11) exceeds a set value, the controller closes the air pump (6) and sends out an alarm to prompt the user to open the drainage valve (11).
2. The microbubble water generating apparatus according to claim 1, further comprising a liquid level detection unit (8) disposed in the gas-liquid mixer (1), wherein the liquid level detection unit (8) comprises a first detection probe (81) and a second detection probe (82) disposed from high to low and respectively corresponding to one liquid level detection point;
or the liquid level detection unit (8) comprises a first detection probe (81), a second detection probe (82) and a third detection probe (83) which are arranged from high to low and respectively correspond to a liquid level detection point.
3. A micro-bubble water generating device according to claim 1 or 2, wherein a first check valve (4) that is open in a water inlet direction is provided at one side of the water source (5), and a second check valve (7) that is open in an air inlet direction is provided at one side of the air pump (6).
4. A method of automatically draining a micro-bubble water generating apparatus according to any one of claims 1 to 3, comprising:
a user opens the drain valve and presses a drain button on the controller, and the controller controls the electric control stop valve to close;
the pressure in the gas-liquid mixer discharges the water in the gas-liquid mixer through a drain valve,
or after the drain valve is opened, the controller controls the electric control stop valve to be closed, and the air pump is started to feed air into the gas-liquid mixer, so that the pressure in the gas-liquid mixer is increased, and the water in the gas-liquid mixer is discharged quickly.
5. The automatic water discharge method according to claim 4, wherein air is supplied into the air-liquid mixer through the preliminary mixing device by an air pump, and the controller turns off the air pump at the air supply preset time T1.
6. The automatic water discharging method according to claim 5, wherein when water is not discharged, the liquid level in the gas-liquid mixer is detected by the liquid level detection unit, when the liquid level in the gas-liquid mixer is lower than a second set value, a water source and an air pump, which control the water outlet pressure to be a preset pressure, simultaneously feed water and feed air into the preliminary mixing device, are preliminarily mixed by the preliminary mixing device and then are conveyed into the gas-liquid mixer, and the water inlet time T2 is recorded when the water source is controlled to feed water;
and when the liquid level in the gas-liquid mixer reaches a second set value, if the water inlet time T2 is more than or equal to the set water inlet time T3, closing the water source and the air pump.
7. The automatic water discharge method of claim 6, wherein the water source and the air pump are controlled to supply water and air into the gas-liquid mixer if the liquid level falls to or below the first set value after the water source and the air pump are turned off.
8. The automatic water discharging method of claim 7, wherein if the water inlet time T2 is less than the set water inlet time T3, the air pump is turned off, and the water source is controlled to continue to feed water to the set water inlet time T3.
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| US5347665A (en) * | 1991-09-25 | 1994-09-20 | Matsushita Electric Works, Ltd. | Carbonate spring bath system |
| CN2317934Y (en) * | 1996-11-27 | 1999-05-12 | 宜兴市水质处理设备厂 | Pressure-self-controlled dissolved-air water generator |
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| CN104058492A (en) * | 2014-07-11 | 2014-09-24 | 宁波海伯精工机械制造有限公司 | Microbubble water generation method and generation device |
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| JP3822663B2 (en) * | 1995-12-26 | 2006-09-20 | 朝日興業株式会社 | Bubble generator |
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| US5347665A (en) * | 1991-09-25 | 1994-09-20 | Matsushita Electric Works, Ltd. | Carbonate spring bath system |
| CN2317934Y (en) * | 1996-11-27 | 1999-05-12 | 宜兴市水质处理设备厂 | Pressure-self-controlled dissolved-air water generator |
| CN202666720U (en) * | 2012-06-27 | 2013-01-16 | 宁波市北仑海伯精密机械制造有限公司 | Discharge structure of micro bubble generator |
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