CN111203122A

CN111203122A - Ozone water mixing device, food cleaning purifier and ozone water mixing method

Info

Publication number: CN111203122A
Application number: CN202010146729.5A
Authority: CN
Inventors: 叶秀友; 沈选举; 廖凯; 鲁建湘; 张能
Original assignee: Zhejiang Youshi Environmental Technology Co ltd
Current assignee: Zhejiang Youshi Environmental Technology Co ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-05-29

Abstract

The invention provides an ozone water mixing device, a food cleaning purifier and an ozone water mixing method, comprising a first shell and a rotatable centrifugal impeller arranged in the first shell, wherein the part of an inner cavity of the first shell, which is positioned below the centrifugal impeller, is a diffusion area, the part positioned above the centrifugal impeller is a mixing area, the part positioned outside the outer edge of the centrifugal impeller is a centrifugal area, and the centrifugal area is respectively communicated with the diffusion area and the mixing area. The contact effect of ozone and water is improved, and the ozone solubility is improved.

Description

Ozone water mixing device, food cleaning purifier and ozone water mixing method

Technical Field

The invention relates to the technical field of ozone water mixing equipment, in particular to an ozone water mixing device, a food cleaning and purifying machine and an ozone water mixing method.

Background

With the continuous development of society, the requirements of human beings on sanitation, environment and health are increasingly urgent. However, at present, chemical fertilizers and pesticides are basically sprayed on plants for planting melons, fruits and vegetables, and after fruits and vegetables are mature, part of toxic organic matters still exist on the surfaces of the fruits and vegetables, and if the residues cannot be effectively and completely removed before eating, the residues gradually form chronic accumulation in human bodies after eating, and the long-term damage is caused to the human bodies. Various meats have a large number of salmonella, and washing with water can cause bacteria to splash, contaminate the dishes and cause illness. The traditional disinfection mode is to use equipment and the like which are used for producing chloric acid by dissolving chlorine generated by disinfecting liquid, bleaching powder or electrolyzed tap water in water to generate chloric acid, but the disinfection mode can generate halogenated substances during disinfection to cause secondary pollution; there is ozone disinfection's fruit vegetables machine in the market yet, but current ozone disinfection's fruit vegetables machine uses simple aeration stone or ejector, but these mixed mode exist the problem that ozone dissolves the difficulty, dissolve inefficiency, and aquatic ozone concentration can not reach sterile requirement, still can lead to a large amount of ozone to volatilize in the air, causes air pollution.

Disclosure of Invention

In view of the above, the present invention is directed to an ozone water mixing apparatus, a food cleaning and purifying machine and an ozone water mixing method, which are intended to solve at least one aspect of the above problems to at least some extent.

In order to solve the above problems, the present invention provides an ozone water mixing device, which comprises a first housing and a rotatable centrifugal impeller arranged in the first housing, wherein a portion of an inner cavity of the first housing below the centrifugal impeller is a diffusion region, a portion above the centrifugal impeller is a mixing region, a portion outside an outer edge of the centrifugal impeller is a centrifugal region, the centrifugal region is respectively communicated with the diffusion region and the mixing region, the centrifugal impeller is provided with a through hole, the diffusion region and the mixing region are communicated through the through hole, the first housing is provided with an air inlet nozzle, a water inlet and a water outlet, the air inlet nozzle and the water inlet are respectively communicated with the diffusion region, and the water outlet is communicated with the centrifugal region.

Optionally, the centrifugal impeller comprises a chassis and blades sleeved outside the chassis, and channels are formed between the chassis and the blades at intervals; the centrifugal impeller further comprises a plurality of first ribs, one ends of the first ribs are arranged on the outer edge of the base plate along the circumferential direction and connected with the base plate, the other ends of the first ribs are connected with the blades, and the channel is divided by the first ribs to form a plurality of through holes.

Optionally, the centrifugal impeller further includes a second rib, the second rib is disposed on the surface of the blade, one end of the second rib is connected to the first rib, and the other end of the second rib extends to the outer edge of the blade along the extending direction of the first rib.

The range of the distance from the upper end surface of the air inlet nozzle to the lower side surface of the blade of the centrifugal impeller is 1mm-5 mm.

Optionally, a ratio of a radial length of the second ribs on the blades of the centrifugal impeller to a distance between an upper side of the second ribs and an inner sidewall of the first housing ranges from 4 to 10.

Optionally, the second ribs are tooth-shaped structures, a protruding structure is arranged on the inner side wall of the first shell, and the second ribs and the protruding structure are matched to cut and mix water and ozone.

Optionally, the base plate is of a groove structure, an exhaust hole is formed in the bottom wall of the base plate and close to the central axis of the centrifugal impeller, and the first rib is connected to the side wall of the base plate.

Optionally, the centrifugal fan further comprises a base and a linkage device, the base is fixedly connected with the first shell, a motor used for driving the centrifugal impeller to rotate is arranged in the base, and the motor is connected with the centrifugal impeller through the linkage device.

Optionally, the first housing includes an upper housing and a lower housing, a circumferential outer side wall of the upper housing is provided with a clamping groove, a circumferential inner side wall of the lower housing is provided with a buckle, and the upper housing and the lower housing are connected through the clamping groove and the buckle in a clamping manner.

Compared with the prior art, the ozone water mixing device has the following advantages:

according to the ozone water mixing device, after ozone and water are injected into the diffusion area, the ozone and the water in the diffusion area drive water flow to generate self-suction force through high-speed rotation of the centrifugal impeller, gas and liquid move relatively to enter the mixing area, the ozone and the water are compressed, separated and mixed through high-speed rotation of the centrifugal impeller in the mixing area to form liquid drops to move to generate centrifugal force, when mixed ozone water enters the centrifugal area, due to the fact that space is instantly enlarged, the internal pressure of the mixing area is instantly released, under the action of pressure difference and centrifugal force, the ozone water in the centrifugal area is further stripped to form gas-liquid foam to move to generate micro-nano bubbles, and meanwhile, the formed micro-nano ozone bubble water is thrown out through the water outlet, so that the contact effect of the ozone and the water is improved; moreover, the centrifugal impeller of high-speed rotation produces self-priming power, forms the circulation of first casing internal water, inhales the diffusion zone with big bubble in the centrifugal zone and further compression separation to the mixed zone, forms the ozone water of high concentration, convenient quick washing purification food.

The invention also provides a food cleaning and purifying machine which comprises an ozone generating device and the ozone water mixing device, wherein the ozone generating device comprises a second shell and an ozone generator arranged in the second shell, and the outlet end of the ozone generator is communicated with the air inlet nozzle of the ozone water mixing device through an air guide cable.

Compared with the prior art, the food cleaning and purifying machine and the ozone water mixing device have the same advantages, and the description is omitted.

The invention also provides an ozone water mixing method, which is applied to the food cleaning and purifying machine and comprises the following steps: controlling water to be injected into the diffusion area from the water inlet; ozone generated by the ozone generator is controlled to be injected into the diffusion area through the air inlet nozzle; controlling a centrifugal impeller in the first shell to rotate so that ozone in the diffusion area enters the mixing area through holes in the blades; mixing ozone and water in the mixing area to obtain ozone water; the ozone water enters the centrifugal area through centrifugal movement to generate micro-nano bubbles, and the micro-nano bubbles are discharged from a water outlet; wherein the flow rate of the ozone injected into the air inlet nozzle is between 0.5 and 1.0L/min.

The method realizes the full mixing of ozone and water by controlling the flow of ozone, ensures higher concentration of ozone in the treated water under the condition of the same environmental temperature and humidity, ensures the sterilization effect and avoids the air pollution caused by the volatilization of ozone into the air.

Drawings

Fig. 1 is a schematic structural diagram of an ozone water mixing apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a centrifugal impeller of an ozone water mixing apparatus according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a linkage of an ozonated water mixing apparatus according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a food cleaning and purifying machine according to an embodiment of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

FIG. 6 is a gas-liquid flow diagram of the ozone-water mixing device of the food cleaning and purifying machine according to the embodiment of the present invention;

FIG. 7 is a line graph showing the relationship between the distance from the upper end surface of the air inlet nozzle to the lower side surface of the blades of the centrifugal impeller and the concentration of ozone;

fig. 8 is a line graph showing the relationship between the radial length of the second ribs on the blades of the centrifugal impeller and the distance between the upper side of the second ribs and the inner side wall of the first housing and the concentration of ozone.

Description of reference numerals:

1. the air purifier comprises a first shell, 101, a diffusion area, 102, a mixing area, 103, a centrifugal area, 104, a water inlet, 105, a water outlet, 106, an upper shell, 107, a lower shell, 2, a centrifugal impeller, 201, a through hole, 202, a base plate, 203, blades, 204, a first rib, 205, a second rib, 206, an exhaust hole, 3, an air inlet nozzle, 4, a base, 5, a motor, 6, a second shell, 7, an ozone generator, 8, an air guide cable, 9, an air filter, 10, an air pump, 11, a central shaft, 12, a shaft sleeve, 13 and an oil seal.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

An XY coordinate system is provided herein, wherein a forward direction of the X axis represents a right direction, a reverse direction of the X axis represents a left direction, a forward direction of the Y axis represents an upper direction, and a reverse direction of the Y axis represents a lower direction.

In addition, the following description will be briefly made with reference to the orientation: the following directional or positional relationships, as referred to with respect to "upper", "lower", "left", "right", etc., of each structural member, refer to the orientation or positional relationship shown in the drawings; these positional relationships are merely for convenience and simplicity of description and do not indicate or imply that the device referred to must have a particular orientation, be constructed and operated in a particular orientation and therefore should not be construed as limiting the invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1, an ozone water mixing apparatus according to an embodiment of the present invention includes a first housing 1 and a rotatable centrifugal impeller 2 disposed in the first housing 1, a portion of an inner cavity of the first housing 1 below the centrifugal impeller 2 is a diffusion region 101, a portion above the centrifugal impeller 2 is a mixing region 102, specifically, a vane of the centrifugal impeller divides the inner cavity of the first housing into the diffusion region and the mixing region, the diffusion region may also be referred to as a diffusion chamber, the mixing region may be a mixing chamber, the diffusion region is below the vane, the mixing region is above the vane, the vane is disposed on the first housing 1 and provided with an air inlet nozzle 3, the air inlet nozzle 3 is communicated with the diffusion region 101, ozone enters the diffusion region through the air inlet nozzle, the centrifugal impeller 2 is provided with a through hole 201, and the diffusion region 101 is communicated with the mixing region 102 through the through hole 201, the through hole is arranged at a position close to the central axis of the centrifugal impeller, when the centrifugal impeller rotates at a high speed, the central axis of the centrifugal impeller drives water flow to generate self-suction force, ozone and water enter the diffusion area and then enter the mixing area through the through hole, the ozone and the water are rotated at a high speed in the mixing area through the centrifugal impeller to generate internal pressure, are compressed and mixed to form liquid drops, are rotated and thrown out by the centrifugal impeller to generate centrifugal force, the part outside the outer edge of the centrifugal impeller 2 is a centrifugal area 103, the centrifugal area can be called as a cavity, the centrifugal area 103 is respectively communicated with the diffusion area 101 and the centrifugal area 102, when mixed ozone water enters the centrifugal area, the internal pressure of the mixing area is released instantly due to the instant increase of space, and the ozone water is further stripped in the centrifugal area to form gas-liquid foam to move to generate micro-, the contact effect of ozone and water is improved, the ozone solubility is improved, be provided with water inlet 104 and delivery port 105 on the first casing 1, water inlet 104 with diffusion zone 101 intercommunication, through water inlet to the water injection in the first casing, make the centrifugal impeller submergence in the aquatic in the first casing, delivery port 105 with centrifugation zone 103 intercommunication, the micro-nano ozone bubble that forms in the centrifugation zone is thrown out through the delivery port, convenient quick washing purifies food.

As shown in fig. 2, the centrifugal impeller 2 includes a base plate 202 and blades 203 sleeved outside the base plate 202, and the base plate 202 and the blades 203 are provided at intervals to form a channel; specifically, the channel is an annular channel, the centrifugal impeller 2 further includes a plurality of first ribs 204, one end of each of the first ribs 204 is circumferentially disposed on the outer edge of the base plate 202 and connected to the base plate, the other end of each of the first ribs 204 is connected to the corresponding blade 203, the first ribs are used for connecting the base plate and the corresponding blade together, the first ribs are arc-shaped, the first ribs extend along the rotation direction of the centrifugal impeller to improve the water disturbance capability of the corresponding blade, in this embodiment, one side of the corresponding blade, which is close to the base plate, is provided with an inclined surface portion, the inclined surface portion is inclined downward relative to the corresponding blade, the inclined surface portion is fixedly connected to the first ribs, the channel is divided by the plurality of first ribs 204 to form the plurality of through holes 201, the permeability between the diffusion cavity and the mixing cavity is good, so that ozone and water in the diffuser cavity can be rapidly sucked into the mixing cavity, the production efficiency of the ozone water is improved.

As shown in fig. 2, the centrifugal impeller further includes a second rib 205, the second rib 205 is disposed on the surface of the blade 203, one end of the second rib 205 is connected to the first rib 204, the other end of the second rib 205 extends to the outer edge of the blade 203 along the extending direction of the first rib 204, the second rib is disposed on the upper side surface of the blade, and therefore the second rib is located in the mixing cavity, and when the centrifugal impeller rotates at a high speed, the second rib is used for cutting and compressing the ozone in the mixing cavity to improve the mixing efficiency of the ozone and the water.

As shown in fig. 5, the distance h1 between the upper end surface of the air inlet nozzle 3 and the lower side surface of the blades of the centrifugal impeller 2 ranges from 1mm to 5mm, and as shown in fig. 7, when the distance h1 ranges from 1mm to 5mm under the same ambient temperature and water temperature, the ozone concentration is high, wherein the abscissa of fig. 7 represents the value of h1, and the ordinate represents the ozone concentration.

As shown in FIG. 5, the ratio of the radial length L1 of the second ribs 205 on the blades of the centrifugal impeller 2 to the distance d1 from the upper side of the second ribs 205 to the inner side wall of the first housing 1 is between 4 and 10, as shown in FIG. 8, under the same ambient temperature and water temperature, the ozone concentration is higher when the ratio of L1/d1 is between 4 and 10, wherein the ratio of L1/d1 is optimal when the ratio is between 6 and 8, wherein the abscissa of FIG. 8 represents the ratio of L1/d1, and the ordinate represents the ozone concentration.

As shown in fig. 5, the second ribs 205 are tooth-shaped structures, a protruding structure is disposed on the inner side wall of the first casing 1, the second ribs 205 and the protruding structure cooperate to cut and mix water and ozone, and when the centrifugal impeller rotates at a high speed, the solubility of ozone in water can be further improved by the cooperation of the tooth-shaped second ribs and the protruding structure of the first casing.

As shown in fig. 1 and 2, in order to facilitate connection with a motor and reserve a space for installation of the blades in the first housing, in this embodiment, the chassis 202 is of a groove structure, the chassis is disposed to protrude downward relative to the blades, ozone is easily gathered in the concave chassis, which affects stability of a rotation speed of the centrifugal impeller and further affects concentration of ozone water, an exhaust hole 206 is disposed on a bottom wall of the chassis 202 near a central axis of the centrifugal impeller 2, the first rib 204 is connected to a side wall of the chassis 202, and ozone in the chassis can be exhausted through the exhaust hole, so that the centrifugal impeller is completely immersed in water, and stability of concentration of ozone water is guaranteed.

As shown in fig. 1, the ozone water mixing device further comprises a base 4, the base 4 is fixedly connected with the first housing 1, specifically, an O-ring is arranged between the base and the first housing, so as to ensure the sealing property of the connection between the base and the first housing, a motor 5 for driving the centrifugal impeller 2 is arranged in the base 4, and the motor 5 is connected with the centrifugal impeller 2 through a linkage device.

As shown in fig. 3, in the present embodiment, the linkage device includes a central shaft 11, one end of the central shaft 11 is fixedly connected to the centrifugal impeller, the other end of the central shaft 11 passes through the first housing and is fixedly connected to a motor shaft of the motor, a shaft sleeve 12 is sleeved on an outer side wall of the central shaft, and the shaft sleeve 12 is used for sealing an assembly gap between the central shaft and the first housing; still include oil blanket 13, oil blanket 13 is located in the axle sleeve and the cover is located the outside of center pin is further sealed the center pin through setting up the oil blanket, avoids the water in the first casing to pass through in the center pin infiltration motor.

In the market, fine food residues can enter the machine in the use process of electrolytic disinfection products and ozone disinfection products, and the machine is very troublesome to clean and cannot be thoroughly cleaned due to small internal space; if the residue can not be cleaned, odor can be generated.

Therefore, as shown in fig. 5, the first housing 1 includes an upper housing 106 and a lower housing 107, a circumferential outer side wall of the upper housing 106 is provided with a clamping groove, a circumferential inner side wall of the lower housing 107 is provided with a snap, and the upper housing 106 and the lower housing 107 are connected by the clamping groove and the snap in a snap-fit manner. The draw-in groove clockwise turning of going up the casing screws with lower casing buckle, goes up the draw-in groove of casing and loosens with lower casing buckle anticlockwise rotation. Go up the casing and fix through screwing up with lower casing, screw out the casing during washing, can wash centrifugal impeller and whole inner chamber body, convenient washing avoids the peculiar smell.

As shown in fig. 4, a food cleaning and purifying machine comprises an ozone generating device and an ozone water mixing device as described above, wherein the ozone generating device comprises a second shell 6 and an ozone generator 7 arranged in the second shell 6, and the outlet end of the ozone generator 7 is communicated with an air inlet nozzle 3 through an air guide cable 8. Specifically, the air guide cable of the ozone generator extends into the base and is fixedly installed with the air inlet nozzle, and the ozone generation system further comprises an air filter 9 which is arranged on the second shell and used for collecting and filtering air outside the second shell and supplying the air to the ozone generator. An air pump 10 is arranged on a pipeline between the air filter 9 and the ozone generator 7, and a one-way valve is arranged on an outlet end pipeline of the ozone generator 7.

As shown in fig. 6, an ozone water mixing method applied to the food cleaning and purifying machine comprises the following steps: controlling water to be injected into the diffusion area 101 from a water inlet 104, wherein the water inlet can be connected with external water delivery equipment or municipal water supply, so that water is continuously injected into the first shell; ozone generated by the ozone generator 7 is controlled to be injected into the diffusion area 101 through the air inlet nozzle 3; controlling the centrifugal impeller 2 in the first shell 1 to rotate so that the ozone in the diffusion area 101 enters the mixing area 102 through the through hole 201; mixing ozone and water in the mixing region 102 to obtain ozone water; ozone water enters the centrifugal area 103 through centrifugal movement to generate micro-nano bubbles, and the micro-nano bubbles are discharged from a water outlet 105; in order to ensure the maximum concentration of the ozone outlet, after the flow of the air pump, the flow of the one-way valve and the length of the air guide cable are matched, the flow of the ozone injected into the air inlet nozzle 3 is between 0.5 and 1.0L/min. As shown in Table 1, under the same ambient temperature and humidity conditions, the ozone outlet concentration ppm value is higher when the flow rate is 0.5-1.0L/min, wherein the ozone outlet concentration ppm value is optimal when the flow rate is 0.6-0.8L/min.

TABLE 1

Flow (L/min)	Concentration (ppm)	Flow (L/min)	Concentration (ppm)
				1.2	1130-1155	0.7	1265-1273
1.1	1150-1182	0.6	1247-1257
				1.0	1204-1226	0.5	1205-1220
0.9	1210-1233	0.4	1153-1165
				0.8	1245-1255	0.3	1097-1119

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The ozone water mixing device is characterized by comprising a first shell (1) and a rotatable centrifugal impeller (2) arranged in the first shell (1), wherein the part of an inner cavity of the first shell (1) below the centrifugal impeller (2) is a diffusion area (101), the part above the centrifugal impeller (2) is a mixing area (102), the part outside the outer edge of the centrifugal impeller (2) is a centrifugal area (103), the centrifugal area (103) is respectively communicated with the diffusion area (101) and the mixing area (102), a through hole (201) is formed in the centrifugal impeller (2), the diffusion area (101) is communicated with the mixing area (102) through the through hole (201), an air inlet nozzle (3), a water inlet (104) and a water outlet (105) are formed in the first shell (1), the air inlet nozzle (3) and the water inlet (104) are respectively communicated with the diffusion area (101), and the water outlet (105) is communicated with the centrifugal area (103).

2. The ozonated water mixing apparatus according to claim 1, wherein the centrifugal impeller (2) comprises a base plate (202) and blades (203) sleeved outside the base plate (202), and the base plate (202) and the blades (203) are provided at intervals to form a channel;

the centrifugal impeller (2) further comprises a plurality of first ribs (204), one ends of the first ribs (204) are arranged on the outer edge of the base plate (202) along the circumferential direction and connected with the base plate (202), the other ends of the first ribs (204) are connected with the blades (203), and the channel is divided by the first ribs (204) to form a plurality of through holes (201).

3. The ozonated water mixing apparatus according to claim 2, wherein the centrifugal impeller (2) further comprises a second rib (205), the second rib (205) is disposed on the surface of the blade (203), one end of the second rib (205) is connected to the first rib (204), and the other end of the second rib (205) extends to the outer edge of the blade (203) along the extending direction of the first rib (204).

4. The ozonated water mixing apparatus according to claim 2, wherein a distance between an upper end surface of the gas inlet nozzle (3) and a lower side surface of the blade (203) of the centrifugal impeller (2) ranges from 1mm to 5 mm.

5. The ozonated water mixing apparatus according to claim 3, wherein a ratio of a radial length of the second ribs (205) on the blades (203) of the centrifugal impeller (2) to a distance between an upper side of the second ribs (205) and an inner sidewall of the first housing (1) ranges from 4 to 10.

6. The ozonated water mixing device according to claim 3, wherein the second ribs (205) are tooth-shaped structures, a protruding structure is provided on the inner side wall of the first casing (1), and the second ribs (205) and the protruding structure cooperate to perform cutting mixing on water and ozone.

7. The ozone water mixing device according to claim 2, wherein the base plate (202) is a groove structure, the bottom wall of the base plate (202) is provided with vent holes (206) near the central axis of the centrifugal impeller (2), and the first ribs (204) are connected to the side wall of the base plate (202).

8. The ozonated water mixing device according to claim 1, further comprising a base (4) and a linkage, wherein the base (4) is connected with the first housing (1), a motor (5) for driving the centrifugal impeller (2) is arranged in the base (4), and the motor (5) is connected with the centrifugal impeller (2) through the linkage.

9. The ozonated water mixing apparatus according to claim 1, wherein the first casing (1) comprises an upper casing (106) and a lower casing (107), a circumferential side wall of the upper casing (106) is provided with a clamping groove, a circumferential side wall of the lower casing (107) is provided with a snap, and the upper casing (106) and the lower casing (107) are in snap connection through the clamping groove and the snap.

10. A food cleaning and purification machine, characterized by comprising ozone generation means and ozone water mixing means according to any one of claims 1-9, the ozone generation means comprising a second housing (6) and an ozone generator (7) arranged inside the second housing (6), the outlet end of the ozone generator (7) being in communication with the inlet nozzle (3) of the ozone water mixing means through an air conducting cable (8).

11. An ozone water mixing method applied to the food cleaning and purifying machine according to claim 10, comprising the steps of:

controlling water to be injected into the diffusion area (101) from the water inlet (104), and controlling ozone generated by the ozone generator (7) to be injected into the diffusion area (101) through the air inlet nozzle (3);

controlling a centrifugal impeller (2) in a first shell (1) to rotate so that ozone in a diffusion region (101) enters a mixing region (102) through a through hole (201), mixing the ozone and water in the mixing region (102) to obtain ozone water, and allowing the ozone water to enter a centrifugal region (103) through centrifugal motion to generate micro-nano bubbles and discharge the micro-nano bubbles from a water outlet (105);

wherein the flow rate of the ozone injected into the air inlet nozzle (3) is between 0.5 and 1.0L/min.