WO2019200779A1

WO2019200779A1 - Micro-nano aeration-based dishwasher filter device

Info

Publication number: WO2019200779A1
Application number: PCT/CN2018/099800
Authority: WO
Inventors: 陈浩航; 李论; 蔡耀楠
Original assignee: 陈浩航
Priority date: 2018-04-19
Filing date: 2018-08-10
Publication date: 2019-10-24
Also published as: CN108403045B; US20210113052A1; CN108403045A

Abstract

A micro-nano aeration-based dishwasher filter device, comprising a cylinder (12) for containing washing liquid and a filter unit (2). The filter unit (2) is communicated with the inner cavity of the cylinder (12) by means of a water inlet pipe; the filter unit (2) is connected to a micro-nano bubble generator (7) by means of a third pipe (83); the micro-nano bubble generator (7) is connected to a water outlet unit; the water outlet unit comprises a fourth pipe (84) connected to the micro-nano bubble generator (7) and a dissolved air release component (7) connected to the other end of the fourth pipe (84); the dissolved air release component (3) is disposed at the bottom of the cylinder (12). By means of the device, the filtration of washing liquid containing residues and oil slicks can be implemented, and the use amount of detergent is reduced; moreover, by aerating the filtered washing liquid by means of the micro-nano bubble generator (7), tableware can be cleaned using the aerated washing liquid, so that a cyclic process of dishwashing and filtering of washing liquid is completed, and the washing liquid can be effectively filtered to remove residues and oil slicks, and the tableware can be cleaned.

Description

Dishwasher filter device based on micro-nano explosion

Technical field

The present invention relates to the field of dishwasher technology, and more particularly to a dishwasher filter device based on micro-nano explosion.

Background technique

At present, household dishwashers use water spray cleaning methods. However, such water spray dishwashers are difficult to clean ordinary Chinese tableware due to the problem of water spray angle, and on the other hand, the contact time of the cleaning liquid with the tableware after spraying. Short, the cleaning effect is always unsatisfactory. At the same time, the special dishwashing powder used is very expensive and the cost of use is high. In view of this, water-jet dishwashers have not been popularized in Chinese households.

Another type of immersed dishwasher has not been put into use at home for various reasons. One of the reasons is that when the dishwasher uses water liquid for immersion tableware cleaning, the tableware surface will be accompanied by a large amount of meal residue, meal. The remaining residue enters the water to be cleaned with the tableware and floats in the water. The current filtration equipment cannot meet the demand. Another reason is that this kind of ultrasonic-based dishwasher is also not widely used in Chinese family life due to noise problems, the possibility of ultrasonic damage to the human body and the unsatisfactory cleaning effect.

Summary of the invention

The object of the present invention is to provide a dishwasher filter device based on micro-nano explosion gas, which can avoid the secondary residue on the tableware and the secondary pollution of the oil in the cleaning process, and can also improve the washing. The cleaning effect of the bowl on the tableware reduces the amount of chemical detergent used.

The technical solution adopted to solve the above technical problems:

A micro-nano-explosive-based dishwasher filter device includes a cylinder for holding a washing liquid and a filter unit, the filter unit is connected to the cylinder chamber through an inlet pipe, and the filter unit is connected through a third pipe. a nanobubble generator connected to a water outlet unit, the water outlet unit including a fourth conduit connected to the micro/nano bubble generator and a dissolved gas release assembly connected to the other end of the fourth conduit, A dissolved gas release assembly is disposed at a bottom of the cylinder.

As a further improvement of the above technical solution, the filter unit includes a water inlet chamber and a water outlet chamber that are in communication with each other, and the water inlet chamber is provided with a filter material.

As a further improvement of the above technical solution, the filtering unit further includes an upper open filter tank, the water inlet chamber and the water outlet chamber are disposed in the filter tank, and the filter material comprises a coarse filter screen and is located therein Fine filter net below.

As a further improvement of the above technical solution, an oil-water separation tank is disposed between the water inlet chamber and the water outlet chamber, and the oil-water separation tank is provided with an oil storage box, and the oil storage box is connected with an oil discharge valve.

As a further improvement of the above technical solution, the filter unit further includes a closed container, the water inlet chamber is disposed at an upper portion of the sealed container, and the water discharge chamber is disposed at a lower portion of the closed container, the water inlet chamber The chamber includes a water storage chamber that communicates with the water inlet pipe and a filter material chamber that communicates with the water storage chamber.

As a further improvement of the above technical solution, the micro-nano bubble generator comprises an air buffer tank, a gas-liquid mixing pump connected to the inlet pipe, and a jet connected to the gas-liquid mixing pump outlet, the air buffer tank The air inlet of the gas-liquid mixing pump and the air inlet of the jet are respectively connected, and the water outlet of the jet is connected to the water outlet unit.

As a further improvement of the above technical solution, the dissolved gas release assembly includes an intercommunication line communicating with each other and a dissolved gas release device connected to the intercommunication line, the dissolved gas release device including an inlet tube and a connection with the inlet tube An outlet tube having a tapered inlet chamber formed therein, the outlet tube being internally formed with an outlet cavity in communication with the inlet cavity, the outlet tube inner wall being disposed toward the inlet cavity There are tapered bumps.

As a further improvement of the above technical solution, further comprising a rotary driving device for driving the flow of the washing liquid, the rotating driving device comprising a first motor disposed under the cylinder, a speed reducer connected to the first motor through a transmission mechanism, and a water wheel connected to the output of the reducer, the water wheel being disposed between the bottom wall of the cylinder and the dissolved gas release assembly.

As a further improvement of the above technical solution, the water wheel The first disc and a plurality of ribs disposed on the first disc, each of the ribs being in the shape of a ridge or a propeller blade, each of the ribs being C-shaped along the radial direction of the first disc Or S-shaped, a plurality of said ribs are evenly distributed on the first disc along the circumference.

Further improvement of the above technical solution, further comprising a dish rack immersed in the washing liquid and a vibration driving device for driving the dish rack to linearly reciprocate, the vibration driving device comprising a second motor mounted outside the side wall of the cylinder body and sinusoidal a mechanism comprising a second disc mounted on the output shaft of the second motor, a lug disposed at an edge of the second disc, a slit of the open slot of the lug, and a vertical connection A horizontal drive rod of a fork that is coupled to the dish rack by a plurality of vertical rods.

The invention has the beneficial effects that the invention filters the washing liquid in the cylinder through the filtering unit, and the micro-nano bubble generator sends the micro-nano bubbles to the filtered washing liquid, and the washing liquid containing the micro-nano bubbles is released by the dissolved gas releasing component. A large number of micro-nano bubbles, which then slowly rise and reach the surface of the tableware. Some micro-nano bubbles clean the tableware by the shock wave generated by the cracking of the table surface. Some micro-nano bubbles can absorb the oil and raise the oil to the surface of the washing liquid. It becomes a floating oil, and the washing liquid containing the residue and the oil slick is again passed through the water inlet pipe to filter unit for filtration. The invention realizes filtering the washing liquid containing the residue and the oil slick, reduces the amount of detergent used, and detonates the filtered washing liquid through the micro-nano bubble generator, and the washing liquid after the explosion can clean the tableware. The invention completes the cycle process of dishwashing and filtering of the washing liquid, and can effectively perform slag filtering and cleaning of the washing liquid.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is apparent that the described drawings are only a part of the embodiments of the present invention, and not all of the embodiments, and those skilled in the art can obtain other designs and drawings according to the drawings without any creative work.

Figure 1 is a schematic view showing the structure of a first embodiment of the present invention;

Figure 2 is a schematic structural view of a second embodiment of the present invention;

Figure 3 is a schematic view showing the first structure of the filter unit of the present invention;

Figure 4 is a schematic view showing a second structure of the filter unit of the present invention;

Figure 5 is a schematic view showing a third structure of the filter unit of the present invention;

Figure 6 is a schematic view showing a fourth structure of the filter unit of the present invention;

Figure 7 is a schematic view showing the first structure of the filter unit of the present invention;

Figure 8 is a schematic structural view of a dissolved gas release assembly of the present invention;

Figure 9 is a cross-sectional view of a dissolved gas release device of the present invention;

Figure 10 is a schematic view showing the first structure of the dissolved gas release device of the present invention;

Figure 11 is a schematic view showing the second structure of the dissolved gas release device of the present invention;

Figure 12 is a schematic view showing the structure of a micro-nano bubble generator in the present invention.

detailed description

The concept, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings. It is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments, based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The scope of protection of the present invention. In addition, all the coupling/joining relationships mentioned in the text are not directly connected to the components, but rather may constitute a better coupling structure by adding or reducing the coupling accessories according to the specific implementation.

1, FIG. 3 to FIG. 12, showing a first embodiment of the present invention, a micro-nano explosive gas filter device comprising a cylinder 12 for holding a washing liquid and a filter unit 2, a cylinder The body 12 is placed in the outer casing 11 of the dishwasher, and the filter unit 2 communicates with the inner cavity of the cylinder 12 through an inlet pipe, wherein the inlet pipe includes a first drain pipe 81 communicating with the bottom of the inner cavity of the cylinder block 12 and a cavity connecting the cylinder block 12. The upper second drain pipe 82. Two slag-removing ports are formed through the first drain pipe 81 and the second drain pipe 82. The slag-sucking port at the bottom of the inner cavity of the cylinder block 12 sucks the washing liquid containing the sediment residue, and the slag-removing slag located in the upper portion of the inner cavity of the cylinder block 12 The washing liquid containing the floating residue and the oil slick is sucked by the mouth, and then the slag is removed by the filtering unit, and the position of the slag suction port of the second drain pipe 82 is preferably the washing liquid water level line. The filter unit 2 is connected to the micro-nano bubble generator 7 via a third conduit 83, and the micro-nano bubble generator 7 is connected with a water outlet unit including a fourth conduit 84 connected to the micro-nano bubble generator 7 and the same The dissolved gas release assembly 3 is connected to the other end of the fourth pipe 84, and the dissolved gas release assembly 3 is disposed at the bottom inside the cylinder 12.

The micro-nano bubble generator 7 includes an air buffer tank 72, a gas-liquid mixing pump 71 connected to the third duct 83, and a jet 73 connected to the water outlet of the gas-liquid mixing pump 71. The air buffer tank 72 is connected to the gas-liquid mixing pump, respectively. The intake port of 71 and the intake port of the jet 73, the water outlet of the jet 73 is connected to the water outlet unit. The gas-liquid mixing pump 71 is also connected to a fifth pipe 85, the fifth pipe 85 can be connected to tap water, the fifth pipe 85 is arranged with a second control valve 87, and the third pipe 83 is arranged with a first control valve 86.

Referring to Fig. 3, a first structure of the filter unit 2 is shown. The filter unit 2 includes a water inlet chamber 21 and a water outlet chamber 23 which are in communication with each other. The water inlet chamber 21 is provided with a filter material 25, and the filter unit 2 further includes a filter unit 2 The upper end of the filter tank is disposed, and the water inlet chamber 21 and the water outlet chamber 23 are disposed in the filter tank, and the filter tank is disposed below the cylinder block 12. At the same time, an oil-water separation tank 22 is disposed between the inlet water chamber 21 and the water outlet chamber 23, and a lower portion of the inlet water chamber 21 communicates with a lower portion of the oil-water separation tank 22, and between the outlet water chamber 23 and the oil-water separation tank 22 is The water level control passage communicates with the lower portion of the water level control passage and the oil water separation tank 22, and the upper portion of the water level control passage communicates with the water outlet chamber 23, and the third conduit 83 communicates with the water outlet chamber. In addition, an oil storage box 29 is disposed at an upper portion of the oil-water separation tank 22, and an oil discharge valve is connected to the oil storage box 29. The filter unit 25 includes a coarse filter screen 251 and a fine filter screen 252 located thereunder. The washing liquid containing the residue or the oil is poured into the water inlet chamber 21 through the inlet pipe, filtered through the coarse filter screen 251 and the fine filter screen 252 in order, and then flows from the lower portion of the water inlet chamber 21 to the oil-water separation tank 22. In the oil-water separation tank 22, the oil stains on the surface of the washing liquid, that is, the oil slick, flows into the side wall along the side wall of the oil storage tank 29, and the oil can be discharged through the oil discharge valve. The washing liquid flows from the lower portion of the oil-water separation tank 22 into the water level control passage, and then overflows from above the water level control passage to the water discharge chamber 23. Further, the water inlet pipe is provided with a water level control valve 24, and when the water level of the water inlet chamber 21 reaches a limit value, the switch of the water level control valve 24 is touched, the flow port is closed, and the washing liquid of the water inlet chamber 21 is prevented from overflowing. Or the washing liquid of the cylinder block 12 is too small, and the water level limit value of the water inlet chamber 21 is preferably set to the position of the horizontal plane on the side wall of the oil storage tank 29.

Referring to Fig. 4, a second structure of the filter unit 2 is shown, which differs from the first structure in that the filter tank is disposed above the cylinder block 12, i.e., the highest position of the inlet pipe is higher than the washing liquid in the cylinder block 12. At the water level, the washing liquid cannot flow freely to the inlet chamber 21 by gravity, and it is not necessary to provide the water level control valve 24, but the water pump 26 is arranged in the inlet pipe, and the water pump 26 is installed with the water level control ball valve 27 for controlling its opening and closing state, once the water is introduced. When the water level of the chamber 21 reaches the set upper limit value, the ball on the water level control ball valve 27 floats upward, thereby turning off the water pump 26, preventing the washing liquid of the water inlet chamber 21 from overflowing.

Referring to Fig. 5, a third structure of the filter unit 2 is shown. The filter unit 2 includes a water inlet chamber 21 and a water outlet chamber 23 which are in communication with each other. The water inlet chamber 21 is provided with a filter material 25, and the filter unit 2 further includes a filter unit 2 The hermetic chamber 21 is disposed at an upper portion of the hermetic container, and the water discharge chamber 23 is disposed at a lower portion of the hermetic container. Also, a water pump 26 is disposed at the inlet pipe, and the water inlet chamber 21 includes a water storage chamber that communicates with the water inlet pipe. 211 and a filter chamber 212 that communicates with the water storage chamber 211. The filter material 25 is disposed in the filter material chamber 212, and the filter material 25 includes at least one filter belt assembly, each filter bag assembly including a basket and a filter bag disposed in the basket, the outer surface of the filter bag being close to the basket The inner wall, the outer wall of the basket is connected with the water outlet chamber 23, and the bottom wall of the water storage chamber 211 is provided with a fixing hole which can be embedded in the basket, and the top of the basket is fixedly connected with the bottom wall of the water storage chamber 211, and the bag type filtering is adopted. The top of the closed container can be designed as an openable and closable container lid for easy cleaning or replacement of the filter bag, and the sealed container is also provided with a pressure gauge 28 that can detect the internal pressure of the water storage chamber 211.

Referring to Fig. 6, a fourth structure of the filter unit 2 is shown, which differs from the third structure in that the filter material 25 is different, the filter material 25 includes at least one filter element assembly, and the water inlet of the filter element assembly is in communication with the water storage chamber 211. The water outlet and outlet chamber of the filter element assembly 23 communication, each filter element assembly comprises a hollow sleeve and a filter element filled in the hollow sleeve, and the filter element can select various filter core structures such as a ceramic filter element, a glass fiber filter activated carbon filter element, a textile fiber wound filter element and a polypropylene melt blown filter element. .

The present invention filters the washing liquid in the cylinder 12 through the filtering unit 2, and the micro-nano bubble generator 7 introduces micro-nano bubbles into the filtered washing liquid, and the washing liquid containing the micro-nano bubbles releases a large amount of micro-dissolved air through the dissolved gas releasing unit 3. Nano-bubbles, micro-nano bubbles then slowly rise and reach the surface of the tableware. Some micro-nano bubbles clean the tableware by the shock wave generated by the cracking of the surface of the tableware. Some micro-nano bubbles can absorb the oil and carry the oil to the surface of the washing liquid to make the oil slick. The washing liquid containing the residue and the oil slick is again introduced into the filtering unit 2 through the water inlet pipe for filtration, and the cycle of washing the washing liquid and filtering the washing liquid is completed, and the washing liquid can be effectively slag-filtered and the tableware can be cleaned.

Further, the dissolved gas release unit 3 includes an intercommunication line 32 communicating with each other and a dissolved gas release unit 31 connected to the intercommunication line 32. Preferably, the bottom portion of the inner wall of the cylinder 12 is disposed with the dissolved gas release unit 3 The matching grooves make the inner cavity of the cylinder 12 more flat and beautiful. Referring to Fig. 7, the intercommunication line 32 includes three annular tubes which are sequentially increased from the inner to the outer inner diameter, and the respective annular tubes are connected to each other by a plurality of connecting tubes. The circular tube can be changed according to the shape of the dishwasher cylinder. Referring to Fig. 8, it can be designed as a square ring tube. Further, referring to FIG. 9 to FIG. 11, the dissolved gas release device 31 includes an inlet pipe 311 and an outlet pipe 312 connected to the inlet pipe 311. The inlet pipe 311 is internally formed with a tapered inlet cavity, and the outlet pipe 312 is internally formed. An outlet body that is in communication with the inlet cavity is formed, and a tapered projection 313 is disposed on the inner wall of the outlet tube 312 toward the inlet cavity. Figure 10 shows the first embodiment of the dissolved gas release device 31, specifically the outlet tube 312 is designed to be cross-connected by four branches, in the shape of a meter or eight feet, Figure 11 shows the second structure The dissolved gas release device 31, preferably the dissolved gas release device 31 shown in FIG. 10, after the washing liquid containing the micro-nano bubbles passes through the inlet pipe 311 of the dissolved gas release device 31, the water flow speed is increased and passes through the tapered bumps 313. Flowing into the meter-shaped or eight-footed outlet tube 312 releases more, denser micro-nano bubbles.

In a first embodiment of the invention, the dishwasher further includes a rotary drive for driving the flow of the wash liquid, the rotary drive comprising a first motor 51 disposed below the cylinder 12, the transmission mechanism and the first motor 51 The connected speed reducer 52 and the water wheel 53 connected to the output end of the speed reducer 52 are disposed between the bottom wall of the cylinder block 12 and the dissolved gas release assembly 3, and the water wheel 53 The utility model comprises a first disc and a plurality of ribs arranged on the first disc, each rib is in the shape of a ridge or a propeller blade, and each rib is C-shaped or S-shaped along the radial direction of the first disc, and several strips The ribs are evenly distributed on the first disc along the circumference. The washing liquid flow is driven by the water wheel 53 to cause the tableware to collide with more micro-nano bubbles, thereby greatly improving the cleaning effect.

Figure 2 shows a second embodiment of the present invention, which differs from the first embodiment in that instead of using a rotary drive, the vibration drive is used to drive the dish rack 13 soaked in the wash liquid to reciprocate linearly. Moving, the vibration driving device includes a second motor 61 mounted outside the side wall of the cylinder block 12 and a sinusoidal mechanism including a second disk mounted on the output shaft of the second motor 61, disposed on the second disk The edge of the bump, the opening groove thereof is sleeved on the fork 62 of the projection and the horizontal transmission rod 63 vertically connected to the fork 62. The horizontal transmission rod 63 is connected to the dish rack 13 through a plurality of vertical rods 64. A pair of support seats 65 are symmetrically arranged on the upper side of the side wall of the cylinder block 12. Each bearing seat 65 is provided with a bearing hole through which the horizontal transmission rod 63 can pass and can slide freely in the bearing hole. By adopting the vibrating dish rack 13, the tableware 13 can collide with more air bubbles during the movement of the dish rack 13, and the cleaning effect can be greatly improved.

The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and can be made without departing from the spirit of the invention within the scope of the knowledge of those skilled in the art. Various changes.

Claims

A micro-nano explosion-based dishwasher filter device, comprising: a cylinder (12) for holding a washing liquid and a filter unit (2), the filter unit (2) communicating with the cylinder through an inlet pipe (12) a lumen, the filter unit (2) is connected to a micro-nano bubble generator (7) through a third conduit (83), the micro-nano bubble generator (7) is connected to a water outlet unit, and the water outlet unit comprises a fourth conduit (84) connected to the micro-nano bubble generator (7) and a dissolved gas release assembly (3) connected to the other end of the fourth conduit (84), the dissolved gas release assembly (3) being disposed at the The bottom of the cylinder (12).
The micro-nano-explosive-based dishwasher filter device according to claim 1, wherein the filter unit (2) comprises a water inlet chamber (21) and a water outlet chamber (23) communicating with each other. The inlet water chamber (21) is provided with a filter material (25).
The micro-nano-explosive-based dishwasher filter device according to claim 2, wherein the filter unit (2) further comprises an upper open filter tank, the water inlet chamber (21) and A water outlet chamber (23) is disposed within the filter tank, the filter material (25) including a coarse filter screen (251) and a fine filter screen (252) located thereunder.
The micro-nano-explosive-based dishwasher filter device according to claim 3, wherein an oil-water separation tank (22) is disposed between the water inlet chamber (21) and the water outlet chamber (23), The oil-water separation tank (22) is provided with an oil storage tank (29), and the oil storage tank (29) is connected with an oil discharge valve.
The micro-nano-explosive-based dishwasher filter device according to claim 2, wherein the filter unit (2) further comprises a closed container, and the water inlet chamber (21) is disposed in the closed container The upper water chamber (23) is disposed at a lower portion of the closed container, and the water inlet chamber (21) includes a water storage chamber (211) that communicates with the water inlet pipe and communicates with the water storage chamber (211) Filter chamber (212).
The micro-nano-explosive-based dishwasher filter device according to any one of claims 1 to 5, characterized in that the micro-nano bubble generator (7) comprises an air buffer tank (72), and the a gas-water mixing pump (71) connected to the water pipe, and a jet (73) connected to the water outlet of the gas-liquid mixing pump (71), the air buffer tank (72) being respectively connected to the gas-liquid mixing pump (71) An air inlet and an air inlet of the jet (73), and a water outlet of the jet (73) is connected to the water outlet unit.
The micro-nano-explosive-based dishwasher filter device according to claim 6, wherein the dissolved gas release assembly (3) includes an intercommunication line (32) that communicates with each other and the intercommunication line (32) a coupled dissolved gas release (31), the dissolved gas release (31) comprising an inlet pipe (311) and an outlet pipe (312) connected to the inlet pipe (311), the inlet pipe (311) interior Formed with a tapered inlet cavity, the outlet tube (312) is internally formed with an outlet cavity in communication with the inlet cavity, the inner wall of the outlet tube (312) being contoured toward the inlet cavity Bump (313).
The micro-nano-explosive-based dishwasher filter device according to claim 6, further comprising a rotary driving device for driving a flow of the washing liquid, the rotary driving device comprising a lower portion of the cylinder (12) a first motor (51), a speed reducer (52) connected to the first motor (51) via a transmission mechanism, and a water wheel (53) connected to an output end of the speed reducer (52), the water draining A wheel (53) is disposed between the bottom wall of the cylinder (12) and the dissolved gas release assembly (3).
The micro-nano explosive gas-based dishwasher filter device according to claim 8, wherein the water wheel (53) The first disc and a plurality of ribs disposed on the first disc, each of the ribs being in the shape of a ridge or a propeller blade, each of the ribs being C-shaped along the radial direction of the first disc Or S-shaped, a plurality of said ribs are evenly distributed on the first disc along the circumference.
The micro-nano-explosive-based dishwasher filter device according to claim 6, further comprising a dish rack (13) immersed in the washing liquid and a vibration driving device for driving the dish rack (13) to linearly reciprocate The vibration driving device includes a second motor (61) mounted outside the side wall of the cylinder block (12) and a sinusoidal mechanism including a second circle mounted on the output shaft of the second motor (61) a disk, a bump disposed at an edge of the second disk, a slit (62) whose opening is sleeved in the bump, and a horizontal transmission rod (63) vertically connected to the fork (62), the horizontal transmission rod ( 63) The dish rack (13) is connected by a plurality of vertical rods (64).