CN216907876U - Three-phase separation system and cleaning device - Google Patents

Abstract

The application provides a three-phase separating system and cleaning device, cleaning device include three-phase separating system, and three-phase separating system includes: the three-phase separator is provided with a first separation cavity, a sewage inlet and a first liquid outlet, and the sewage inlet and the first liquid outlet are respectively communicated with the first separation cavity; a filtering structure capable of filtering out solid in the sewage is arranged in the first separation cavity, and a first liquid outlet is positioned below the filtering structure to discharge filtered liquid; and the solid-gas separator is used for connecting the air control structure and receiving the solids separated from the first separation cavity under the driving of the air control structure, and the solid-gas separator is used for drying the solids. The utility model provides a three-phase separator can come out solid and gas separation in the sewage for discharged liquid is comparatively clean, can discharge through the water pipe, and is not hard and can not the shutoff water pipe, if join in marriage the water purifier again simultaneously and can make the water of discharging can cyclic utilization, water economy resource cost.

Description

Three-phase separation system and cleaning device

Technical Field

The application belongs to the technical field of cleaning devices, and more particularly relates to a three-phase separation system and a cleaning device.

Background

With the increasing demands on cleaning, the field of cleaning is faced with more and more complex challenges, such as dry and wet garbage, hair, larger particles, etc. as objects to be cleaned, and accordingly, manufacturers have developed various machines such as floor sweeper, mopping machine, floor washing machine, etc. in a targeted manner. However, it is costly to purchase cleaning devices such as a sweeper, a mopping machine, a scrubber machine, etc. to clean different objects at the same time, both for individuals and for units.

Therefore need develop one kind and can collect multi-functional cleaning device such as machine of sweeping the floor, mopping machine and floor cleaning machine, then can contain solid-state rubbish not of uniform size in the clean back needs discharged sewage of this cleaning device, if directly discharge sewage, will lead to the water pipe to block up, consequently can only use sewage case storage sewage, pour out sewage again when waiting to reach a quantitative, waste time and energy, also can cause the phenomenon of water waste simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a three-phase separation system and cleaning device to solve the technical problem that the cleaning device who exists among the prior art leads to water pipe jam and water waste with the direct discharge of sewage that has fixed rubbish.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions: there is provided a three-phase separation system comprising:

the three-phase separator is provided with a first separation cavity, a sewage inlet and a first liquid outlet, and the sewage inlet and the first liquid outlet are respectively communicated with the first separation cavity; a filtering structure capable of filtering out solid in sewage is arranged in the first separating cavity, and the first liquid outlet is positioned below the filtering structure to discharge filtered liquid;

and the solid-gas separator is connected with the air control structure and can receive the solid separated from the first separation cavity under the driving of the air control structure, and the solid-gas separator is used for drying the solid.

The application provides a three-phase piece-rate system's beneficial effect lies in: compared with the prior art, the three-phase separation system of this application embodiment includes the setting including three-phase separator and solid-gas separator, and wherein, the three-phase separator can come out solid and gas separation in the sewage to make from first liquid outlet exhaust liquid comparatively clean, it can discharge through the water pipe, and is not hard and can not the shutoff water pipe, if join in marriage the water purifier again simultaneously and can make the water of discharging can cyclic utilization, water economy resource cost. Through the setting with solid-gas separator intercommunication three-phase separator, can separate out dry solid to can save relatively longer time, handle again under the condition of waiting the quantity of solid to reach certain numerical value, reduce the number of times that the solid was handled, practice thrift manpower and materials. In addition, through the setting of solid-gas separator and wind accuse structural connection for dry gas can be separated out to solid-gas separator, only dry gas can pass through the wind accuse structure, thereby makes the flow upper limit of wind accuse structure be higher than the flow upper limit of general water pump water, and can not have solid or liquid to get into the wind accuse structure in order to harm the wind accuse structure, has improved the life of wind accuse structure.

In one possible design, the three-phase separation system further comprises a gas-liquid separator in communication with the first separation chamber and configured to receive the gas separated from the first separation chamber;

the air control structure can selectively drive the solid-gas separator or the gas-liquid separator under negative pressure.

In a possible design, a connection switch is arranged between the solid-gas separator and the first separation cavity, and the connection switch is used for disconnecting the solid-gas separator and the first separation cavity when the air control structure drives the gas-liquid separator under negative pressure, and is used for communicating the solid-gas separator and the first separation cavity when the air control structure drives the solid-gas separator under negative pressure.

In one possible embodiment, the solid-gas separator has a second separation chamber, a first connecting pipe is connected between the second separation chamber and the first separation chamber, and the first connecting pipe is tangentially connected to the second separation chamber.

In one possible embodiment, the gas-liquid separator has a third separation chamber, a second connecting pipe being connected between the third separation chamber and the three-phase separator, the second connecting pipe being connected tangentially to the third separation chamber.

In one possible design, the inner walls of the three-phase separator, the solid-gas separator and the gas-liquid separator are provided with hydrophobic coatings.

In one possible design, the filter structure comprises a first filter screen located between the contaminated water inlet and the first liquid outlet; the three-phase separator is also provided with a first solid outlet positioned above the first filter screen, and the first solid outlet is communicated with the solid-gas separator.

In one possible design, the filter structure further comprises a second filter disposed between the first filter and the first liquid outlet, the second filter having a second filter aperture size smaller than the first filter aperture size of the first filter; the three-phase separator is also provided with a second solid outlet positioned between the second filter screen and the first filter screen, and the second solid outlet is communicated with the solid-gas separator.

In one possible design, a vibrator is mounted on the first filter screen and/or the second filter screen;

and/or at least the filtering part of the first filter screen and/or the second filter screen extends downwards from the center to the edge in an inclined way.

The application provides a cleaning device, including above-mentioned three-phase separation system.

The cleaning device of this application is through above-mentioned three-phase separation system's setting for the discharged sewage after this cleaning device is clean can carry out the three-phase separation through three-phase separation system earlier, thereby makes the drainage totally can not the shutoff water pipe, and need not frequently to fall sewage, and labour saving and time saving has just improved this cleaning device's life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of a three-phase separation system provided in an embodiment of the present application;

FIG. 2 is a schematic top view of the three-phase separation system of FIG. 1;

fig. 3 is a schematic cross-sectional view of a three-phase separation system provided in an embodiment of the present application, in cross section through a center line of a three-phase separator and a center line of a first connection pipe;

fig. 4 is a schematic cross-sectional view of a three-phase separation system provided in an embodiment of the present application, in cross section through a center line of a three-phase separator and a center line of a second connection pipe;

FIG. 5 is a schematic cross-sectional view of a three-phase separation system provided in an embodiment of the present application, taken along a section of a centerline of the solid-gas separator and parallel to a centerline of the second connection pipe;

fig. 6 is a schematic cross-sectional view of a three-phase separation system provided in an embodiment of the present application in a cross-section through a centerline of a gas-liquid separator and parallel to a centerline of a first connection pipe.

Wherein, in the figures, the respective reference numerals:

10. a three-phase separator; 11. a housing; 111. a first separation chamber; 112. a sewage inlet; 113. a first liquid outlet; 114. a first solids outlet; 115. a second solids outlet; 116. a first gas outlet; 117. a first step surface; 118. a second step surface; 12. a filter structure; 121. a first filter screen; 1211. a first filter unit; 1212. a first mounting portion; 122. a second filter screen; 1221. a second filter unit; 1222. a second mounting portion; 13. a vibrator; 20. a solid-gas separator; 21. a second separation chamber; 22. a solids inlet; 23. a first mounting port; 24. a third solids outlet; 30. a gas-liquid separator; 31. a third separation chamber; 32. a gas inlet; 33. a second mounting opening; 34. a second liquid outlet; 40. a connection box; 41. a connecting cavity; 42. a first connection port; 43. a second connection port; 50. a rotating plate; 60. a first connecting pipe; 70. a second connecting pipe; 80. and a third connecting pipe.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, a three-phase separation system provided by an embodiment of the present application will now be described. The three-phase separation system is applied to a cleaning device, can separate solid and gas in sewage, can discharge relatively clean water, and can achieve the purpose of water recycling and reduce water cost if being provided with a sewage filtering system. It is understood that in other embodiments of the present application, the three-phase separation system may be used in other places, such as a separate place, which is used for separating liquid, gas and solid from sewage, and is not limited herein.

It should be noted that the solid in the following description refers to solid waste.

Referring to fig. 1 to 4, the three-phase separation system includes a three-phase separator 10 and a solid-gas separator 20. Wherein, the solid-gas separator 20 is communicated with the three-phase separator 10.

Referring to fig. 3 and 4, the three-phase separator 10 includes a first housing 11, the first housing 11 has a first separation chamber 111, a sewage inlet 112 and a first liquid outlet 113, and the sewage inlet 112 and the first liquid outlet 113 are respectively communicated with the first separation chamber 111. The first separation cavity 111 is internally provided with a filtering structure 12, the sewage inlet 112 is arranged above the filtering structure 12, the sewage inlet 112 is used for introducing sewage into the first separation cavity 111, the filtering structure 12 is used for filtering out solids in the sewage, the first liquid outlet 113 is arranged below the filtering structure 12, and the liquid after the solids are filtered sinks below the first separation cavity 111 under the action of gravity and is discharged through the first liquid outlet 113. The liquid discharged from the first liquid outlet 113 has almost no solid particles, and can be directly discharged through a water pipe without blocking the water pipe, and a sewage filtering system can be provided, so that the liquid can be recycled after being filtered.

Solid-gas separator 20 is used for connecting the wind-control structure (not shown), and solid-gas separator 20 can receive the solid that separates from first separation chamber 111 under the drive of wind-control structure, and be used for the solid-gas separation with the solid, weather the solid, and dry solid can be saved, when the solid is saved to a certain amount, can directly pour out and carry out the solid processing, the situation of solid shutoff water pipe can not appear, also can not lead to the condition of extravagant manpower, material resources and water resource owing to need often pour sewage.

The utility model provides a three-phase separation system, including three-phase separator 10 and solid-gas separator 20, wherein, three-phase separator 10 can come out solid and gas separation in the sewage to make 113 exhaust liquid of department from first liquid export comparatively clean, it can discharge through the water pipe, and is not hard and can not the shutoff water pipe, if join in marriage the water purifier again simultaneously and can make the water of discharging can cyclic utilization, water economy resource cost. Through the setting with solid-gas separator 20 intercommunication three-phase separator 10, can separate out dry solid to can save relatively longer time, handle again under the condition that the volume of solid reaches certain numerical value, reduce the number of times that the solid was handled, practice thrift manpower and materials. In addition, through the setting of solid-gas separator 20 and wind-control structural connection for solid-gas separator 20 can separate out dry gas, and only dry gas can pass through the wind-control structure, thereby makes the flow upper limit of wind-control structure be higher than the flow upper limit of general water pump water, and can not have solid or liquid entering wind-control structure in order to harm the wind-control structure, has improved the life of wind-control structure.

Referring to fig. 1 and 2, the three-phase separation system further includes a gas-liquid separator 30, and the gas-liquid separator 30 is communicated with the first separation cavity 111 and is used for receiving the gas separated from the first separation cavity 111. The solid-gas separator 20 and the gas-liquid separator 30 are both connected to a wind control structure; the air control structure can selectively drive the solid-gas separator 20 or the gas-liquid separator 30 under negative pressure. For example, the air control structure may be first communicated with the gas-liquid separator 30, and the air control structure drives both the gas-liquid separator 30 and the three-phase separator 10 to have a negative pressure, so that the sewage enters the first separation cavity 111 from the sewage inlet 112, and the separated gas enters the gas-liquid separator for further gas-liquid separation, so that only the dry gas is sucked away by the air control structure, and the solid filtered by the filtering structure 12 is deposited on the filtering structure 12, when the solid on the filtering structure 12 reaches a certain amount; can be connected to solid-gas separator 20 with the wind-control structure, all carry out the negative pressure drive with solid-gas separator 20 and three-phase separator 10 through the wind-control structure, thereby can inhale the solid after filtration through filtration structure 12 to solid-gas separator 20 in, because the air-dry effect of wind-control structure, can weather the moisture in the solid, thereby dry solid and the dry gas of separation department in solid-gas separator 20, dry solid can be through certain accumulation and handle, dry gas is siphoned away by the wind-control structure, and can not exert an influence to the wind-control structure.

In this embodiment, the air control structure includes a blower, the blower is connected with the solid-gas separator 20 and the gas-liquid separator 30 through a three-way connection valve, and when the gas-liquid separator 30 needs to be driven under negative pressure, the blower is communicated with the gas-liquid separator 30 through the three-way connection valve; when the solid-gas separator 20 needs to be driven under negative pressure, the fan is communicated with the solid-gas separator 20 through the three-way connecting valve, so that the whole three-phase separation system can be driven through one fan, and the cost is saved. In other embodiments of the present application, according to practical design conditions, the air control structure may also include two fans, namely a first fan and a second fan, where the first fan and the second fan are respectively connected to the gas-liquid separator 30 and the solid-gas separator 20, and when the solid-gas separator 20 needs to be driven by negative pressure, the first fan is started; when the gas-liquid separator 30 needs to be driven under negative pressure, the second fan is started.

In one embodiment, a connection switch is arranged between the solid-gas separator 20 and the first separation chamber 111, and the connection switch is used for connecting or disconnecting the solid-gas separator 20 and the first separation chamber 111. Specifically, the connection switch is used for disconnecting the solid-gas separator 20 from the first separation cavity 111 when the air control structure drives the gas-liquid separator 30 under a negative pressure, and communicating the solid-gas separator 20 with the first separation cavity 111 when the air control structure drives the solid-gas separator 20 under a negative pressure. The solid-gas separator 20 and the first separation cavity 111 are disconnected when the first separation cavity 111 sucks sewage, so that the sewage sucked in the first separation cavity 111 is prevented from directly flowing to the solid-gas separator 20 without being filtered, and the separation effect of the three-phase separation system is poor. It should be understood that in other embodiments of the present application, the design and operation of the device may be varied according to actual design and specific requirements,

in the present embodiment, referring to fig. 3, a connection box 40 is disposed between the solid-gas separator 20 and the three-phase separator 10, one side of the connection box 40 is connected to the first separation cavity 111 through a third connection pipe 80, and the other side of the connection box 40 is connected to the solid-gas separator 20 through a first connection pipe 60. Specifically, the connection box 40 includes a connection chamber 41, a first connection port 42, and a second connection port 43, the first connection port 42 communicates with the third connection pipe 80, and the second connection port 43 communicates with the first connection pipe 60. The connecting switch comprises a rotating plate 50 rotatably arranged in the connecting cavity 41, and the rotating plate 50 can rotate in the connecting cavity 41 to connect the first connecting port 42 with the second connecting port 43 so as to connect the solid-gas separator 20 with the three-phase separator 10; the rotating plate 50 is also rotatable in the connecting chamber 41 to disconnect the first connecting port 42 from the second connecting port 43 to disconnect the solid-gas separator 20 from the three-phase separator 10.

Wherein, the rotating plate 50 is arranged on the connecting box 40 through the rotation of the rotating shaft, the rotating shaft is connected with a driving structure, the driving structure is electrically connected to the main control circuit of the whole three-phase separation system, in addition, the fan and the three-way connecting valve are also connected to the main control circuit, and the work of the fan, the three-way connecting valve and the driving structure is controlled through the main control circuit.

In one embodiment, referring to fig. 5, the solid-gas separator 20 has a second separation chamber 21, a first connection pipe 60 is connected between the second separation chamber 21 and the first separation chamber 111, and the first connection pipe 60 is connected tangentially to the second separation chamber 21, so that under the action of high-speed wind of the wind control structure, the solid in the first separation chamber 111 will rapidly enter the second separation chamber 21 tangentially, and rotate in the second separation chamber 21 at a high speed, so that gas in the solid can be separated, and the wind can blow dry moisture in the solid, thereby separating dry solid.

Referring to fig. 5, the solid-gas separator 20 further includes a solid inlet 22, a first installation port 23, and a third solid outlet 24, the solid inlet 22, the first installation port 23, and the third solid outlet 24 are respectively communicated with the second separation chamber 21, the solid inlet 22 is communicated with the first connection pipe 60, the first installation port 23 is disposed at the top of the second separation chamber 21 and used for connecting a fan, and the third solid outlet 24 is disposed at the bottom of the second separation chamber 21. After the fan is started, the second separation cavity 21 is in a vacuum state, solids enter the second separation cavity 21 from the solid inlet 22 along the tangential direction and do high-speed centrifugal motion along the second separation cavity 21, the solids are dried and then discharged from the third solid outlet 24, and air enters the fan along with wind.

In one embodiment, referring to fig. 6, the gas-liquid separator 30 has a third separation chamber 31, a second connecting pipe 70 is connected between the third separation chamber 31 and the first separation chamber 111, and the second connecting pipe 70 is connected to the third separation chamber 31 in a tangential manner, so that under the action of high-speed wind of the wind control structure, the gas in the first separation chamber 111 will rapidly enter the third separation chamber 31 in a tangential manner and rotate in the third separation chamber 31 at a high speed, so as to separate moisture in the gas.

Referring to fig. 6, the first housing 11 further has a first gas outlet 116, and the first gas outlet 116 is located near the top end of the first separation chamber 111, and the gas has a density smaller than that of the liquid and the solid, and therefore floats upwards and flows out of the first gas outlet 116. The gas-liquid separator 30 further has a gas inlet 32, a second mounting port 33 and a second liquid outlet 34, the gas inlet 32, the second mounting port 33 and the second liquid outlet 34 are respectively communicated with the third separation cavity 31, the gas inlet 32 is communicated with a second connecting pipe 70, the second mounting port 33 is arranged at the top of the third separation cavity 31 and is used for connecting a fan, and the second liquid outlet 34 is arranged at the bottom of the third separation cavity 31. After the blower is started, the third separation cavity 31 is in a vacuum state, the gas enters the third separation cavity 31 from the gas inlet 32 in a tangential direction and performs high-speed centrifugal motion along the third separation cavity 31, the gas is attached to be separated and flows out through the second liquid outlet 34, and the gas enters the blower along with wind.

In practical applications, if experiments prove that the humidity of the gas discharged from the second mounting opening 33 is high, a filter screen may be further disposed at the second mounting opening 33 to filter the moisture.

In one embodiment, the inner walls of the three-phase separator 10, the solid-gas separator 20 and the gas-liquid separator 30 are provided with hydrophobic coatings. Specifically, the inner walls of the first separation chamber 111, the second separation chamber 21, the third separation chamber 31, the first connection pipe 60 and the second connection pipe 70 are all provided with a hydrophobic coating, so that the liquid does not adhere to the inner walls of the first separation chamber 111, the second separation chamber 21, the third separation chamber 31, the first connection pipe 60 and the second connection pipe 70, and thus, for example, the liquid can be rapidly discharged from the first liquid outlet 113 and the second liquid outlet 34.

Preferably, the hydrophobic coating is a nano hydrophobic coating.

In one embodiment, referring to fig. 3 and 4, the filter structure 12 includes a first filter 121, the first filter 121 is located between the sewage inlet 112 and the first liquid outlet 113; the three-phase separator 10 also has a first solids outlet 114 located above the first screen 121, the first solids outlet 114 being in communication with the solid-gas separator 20. In the embodiment of the present application, by the arrangement of the first filter screen 121, the first filter screen 121 is used for filtering out solids in the sewage, the first filter screen 121 is provided with the first filter holes, solids larger than the first filter hole will be left on the first filter screen 121, and liquid will flow to the first liquid outlet 113 through the first filter holes under the action of self gravity, the solids flow to the solid-gas separator 20 from the first solid outlet 114 for further separation, and gas floats up to the first gas outlet 116 and flows to the gas-liquid separator 30.

Referring to fig. 4, a circle of first step surface 117 is disposed on an inner wall of the first separation chamber 111, and a circumferential edge of the first filter screen 121 is respectively overlapped on the first step surface 117, so that the first filter screen 121 is installed in the first separation chamber 111, and the sewage entering from the sewage inlet 112 is filtered by the first filter screen 121 from top to bottom. It is understood that in other embodiments of the present application, the first filter 121 may also be mounted in the first separation cavity 111 by means of gluing, welding or snapping, and is not limited herein.

In one embodiment, referring to fig. 4, at least the filtering portion of the first filter 121 extends downward from the center to the edge in an inclined manner, that is, the height of at least the filtering portion of the first filter 121 decreases gradually from the center to the edge, so that the solids can be dispersed on the first filter 121 from the middle to the edge, and no stacking phenomenon, that is, no blocking phenomenon occurs, thereby facilitating the filtering effect of the first filter 121.

Specifically, the first filter screen 121 includes a first filter portion 1211 and a first mounting portion 1212, the first filter portion 1211 extends from the center to the edge in an inclined manner, the first filter holes are uniformly distributed on the first filter screen 121, the first mounting portion 1212 is annular and is connected to a peripheral edge of the first filter portion 1211, and the first mounting portion 1212 can be stacked on the first step surface 117 to mount the first filter screen 121.

The first filter 1211 is integrally connected to the first mounting portion 1212.

In one embodiment, referring to fig. 3, the filter structure 12 further includes a second filter 122, the second filter 122 is disposed between the first filter 121 and the first liquid outlet 113, and a second filter hole size of the second filter 122 is smaller than a first filter hole size of the first filter 121; the three-phase separator 10 also has a second solids outlet 115 located between the second filter 122 and the first filter 121, the second solids outlet 115 being in communication with the solid-gas separator 20. This application embodiment can separate out the less granule object in the liquid after first filter screen 121 filters through the setting of second filter screen 122 to make the liquid that flows to first liquid outlet 113 cleaner, carry more smoothly, and do benefit to the circulation of liquid and use. It will be appreciated that in other embodiments of the present application, depending on the environment of use of the cleaning device, the filter structure 12 may comprise only the first filter 121 when the environment is relatively clean, and the size of the first filter holes of the first filter 121 is designed to be relatively small, which also enables the liquid flowing into the first liquid outlet 113 to be clean.

Referring to fig. 4, the second filter 122 is shaped like a flat plate, and the second filtering holes are uniformly distributed on the second filter 122. A second step surface 118 is formed on the inner wall of the first separation cavity 111, and a circumferential edge of the second filter screen 122 is respectively overlapped on the second step surface 118, so that the second filter screen 122 is installed in the first separation cavity 111, and the liquid filtered by the first filter screen 121 can be filtered by the first filter screen 121 from top to bottom. It is understood that in other embodiments of the present application, second filter 122 may be mounted in first separating cavity 111 by means of gluing, welding or snapping, and is not limited herein.

The second filter screen 122 includes a second filter portion 1221 and a second mounting portion 1222, the second filter portion 1221 is circular, the second filter holes are uniformly distributed in the second filter portion 1221, the second mounting portion 1222 is annular and is integrally connected to a circumference of the second filter portion 1221, and the second mounting portion 1222 is overlapped on the second step surface 118, so as to fix the second filter screen 122 in the first separation cavity 111.

In order to prevent solid waste from being accumulated and blocked on the first filter screen 121 and the second filter screen 122, the vibrator 13 is mounted on the first filter screen 121 and/or the second filter screen 122, and the solid waste on the first filter screen 121 and the second filter screen 122 can be shaken and dispersed by the vibration of the vibrator 13, so that the blockage is avoided.

Similarly, in order to prevent solid waste from being accumulated and blocked on the first filter 121 and the second filter 122, at least the filtering portion of the first filter 121 and/or the second filter 122 has a center extending downwards and obliquely towards the edge, so that solid on the first filter 121 and the second filter 122 can be shaken and dispersed, and blocking is avoided.

In this embodiment, at least the filtering portion of the first filter 121 has a center extending downward and inclined to the edge, and due to the shape design of the first filter 121, the first filter 121 itself has elasticity for preventing blockage, and in addition, the shape of the first filter 121 makes it difficult to mount the vibrator 13 on the first filter 121, so the vibrator 13 is only mounted on the second filter 122. It is understood that in other embodiments of the present application, the vibrator 13 may be mounted on the first filter 121, where the structure allows, and is not particularly limited herein. In addition, in other embodiments of the present application, the second filter 122 may also be configured in a shape similar to the first filter 121, and is not limited herein.

Preferably, the vibrator 13 is an ultrasonic vibrator 13, and the vibration frequency thereof is high, so that the filtering effect of the second filter 122 is good.

The application also provides a cleaning device, and the cleaning device comprises the three-phase separation system, and the sewage after cleaning in the cleaning device is subjected to solid-liquid-gas separation through the three-phase separation system, so that subsequent cyclic utilization is facilitated, and the discharge is facilitated.

Specifically, the cleaning device may be a large floor sweeper, a floor mopping machine, a sweeper, or the like, and is not limited herein.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A three-phase separation system, comprising:

a three-phase separator (10) having a first separation chamber (111), a contaminated water inlet (112) and a first liquid outlet (113), the contaminated water inlet (112) and the first liquid outlet (113) being in communication with the first separation chamber (111), respectively; a filtering structure (12) capable of filtering out solid in sewage is arranged in the first separating cavity (111), and the first liquid outlet (113) is positioned below the filtering structure (12) to discharge filtered liquid;

the solid-gas separator (20) is connected with an air control structure and can receive the solids separated from the first separation cavity (111) under the driving of the air control structure, and the solid-gas separator (20) is used for drying the solids.

2. The three-phase separation system of claim 1, further comprising a gas-liquid separator (30), the gas-liquid separator (30) being in communication with the first separation chamber (111) and adapted to receive gas separated from the first separation chamber (111);

the air control structure can selectively drive the solid-gas separator (20) or the gas-liquid separator (30) under negative pressure.

3. The three-phase separation system according to claim 2, characterized in that a connection switch is arranged between the solid-gas separator (20) and the first separation chamber (111), and the connection switch is used for disconnecting the solid-gas separator (20) from the first separation chamber (111) when the air control structure drives the gas-liquid separator (30) under negative pressure, and is used for connecting the solid-gas separator (20) with the first separation chamber (111) when the air control structure drives the solid-gas separator (20) under negative pressure.

4. The three-phase separation system according to claim 1, characterized in that the solid-gas separator (20) has a second separation chamber (21), a first connecting pipe (60) being connected between the second separation chamber (21) and the first separation chamber (111), the first connecting pipe (60) being tangentially connected to the second separation chamber (21).

5. The three-phase separation system as claimed in claim 2, characterized in that the gas-liquid separator (30) has a third separation chamber (31), a second connecting pipe (70) being connected between the third separation chamber (31) and the three-phase separator (10), the second connecting pipe (70) being connected tangentially to the third separation chamber (31).

6. The three-phase separation system according to claim 2, wherein the inner walls of the three-phase separator (10), the solid-gas separator (20) and the gas-liquid separator (30) are provided with a hydrophobic coating.

7. The three-phase separation system according to any one of claims 1 to 6, wherein the filter structure (12) comprises a first filter (121), the first filter (121) being located between the effluent inlet (112) and the first liquid outlet (113); the three-phase separator (10) also has a first solids outlet (114) located above the first filter (121), the first solids outlet (114) being in communication with the solid-gas separator (20).

8. The three-phase separation system of claim 7, wherein the filter structure (12) further comprises a second filter (122) disposed between the first filter (121) and the first liquid outlet (113), the second filter (122) having a second filter aperture size smaller than the first filter aperture size of the first filter (121); the three-phase separator (10) further has a second solids outlet (115) located between the second filter (122) and the first filter (121), the second solids outlet (115) being in communication with the solid-gas separator (20).

9. The three-phase separation system according to claim 8, wherein a vibrator (13) is mounted on the first filter (121) and/or the second filter (122);

and/or the first filter screen (121) and/or the second filter screen (122) at least filter part extends downwards from the center to the edge in an inclined way.

10. Cleaning device, characterized in that it comprises a three-phase separation system according to any of claims 1 to 9.

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