CN213721733U

CN213721733U - Cyclone separation device

Info

Publication number: CN213721733U
Application number: CN202020514453.7U
Authority: CN
Inventors: 周永飞; 许旺龙; 李行
Original assignee: Beijing Rockrobo Technology Co Ltd
Current assignee: Beijing Rockrobo Technology Co Ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-07-20
Anticipated expiration: 2030-04-09

Abstract

The utility model provides a cyclone separating device, which comprises a shell, wherein a separator is arranged in the shell, and an air inlet and an air outlet are arranged on the side surface of the shell; the separator and the shell form an annular first-stage rotary separation flow channel; and the airflow passing through the first-stage separation flow channel enters the separator, is subjected to second-stage rotary separation and is discharged from the air outlet. The utility model provides a cyclone separation device, through the air intake, the distribution of first order rotatory separation runner, separator and air outlet has formed twice rotatory separation, when guaranteeing the separation effect, has redesigned cyclone separation device's structure and air current runner, and the air inlet route is short and business turn over wind efficient, makes cyclone space structure more compact.

Description

Cyclone separation device

Technical Field

The utility model relates to a from the separation granule technical field in the air current, in particular to cyclone.

Background

The cyclone separator works based on the rotation motion caused by tangential introduction of airflow, and utilizes the fact that when particles rotate at high speed in the airflow, the centrifugal force is far greater than the gravity, and the centrifugal settling velocity obtained by the particles is also greater as the velocity is greater, when the particles containing solid state enter the hammer-shaped cylinder along the direction of the gas self tangent line and rotate in the cylinder, the airflow collides with the wall of the cylinder, the particles impact the wall of the cylinder and rotate and descend, and the purpose of separating the solid from the gas is achieved. Vacuum cleaners which utilise cyclonic separators are known. In a typical cyclone separator, the separation effect is ensured according to the structure and the air path of the planned airflow, so that the cyclone separator is loose in structure and occupies a large space. Therefore, there is a need to develop a cyclone separating apparatus having a compact structure.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

The utility model aims at providing a cyclone separation device is in order to solve the not compact problem of structure.

(II) technical scheme

In order to solve the above problems, a first aspect of the present invention provides a cyclone separation apparatus, comprising a housing, a separator disposed inside the housing, and an air inlet and an air outlet disposed on a side surface of the housing; the separator and the shell form an annular first-stage rotary separation flow channel; and the airflow passing through the first-stage separation flow channel enters the separator, is subjected to second-stage rotary separation and is discharged from the air outlet.

Further, the housing includes: the separation cover and the bottom cover are hermetically connected with the bottom of the separation cover, and a separation cavity is formed by the separation cover and the bottom cover in a surrounding manner; wherein the separator is located within the separation chamber.

Further, a sealing ring is arranged on the bottom cover; the sealing ring is connected with the bottom of the separation cover in a sealing mode.

Further, the separator includes, from top to bottom: the collecting cover, the cyclone tube group and the dust collecting cover; the bottom cover is also provided with a sealing gasket; the sealing gasket is connected with the bottom of the dust collection cover in a sealing way.

Further, the separator further includes: the filter screen is arranged around the cyclone tube group and used for filtering the airflow entering the cyclone tube group after the first-stage cyclone separation; the top of the filter screen is clamped on the collecting cover.

Further, the separator further includes: and the support frame is arranged on the periphery of the cyclone tube group and used for clamping the bottom of the filter screen.

Further, the outer side edge of the supporting frame extends downwards to form a skirt-shaped pendulum to prevent the granular garbage separated by the first stage cyclone from moving upwards.

Further, the separator further includes: the sealing partition plate is arranged on the outer side of the cyclone tube group and distributed around the cyclone tube group, the sealing partition plate extends towards the outer side in the horizontal direction, and the sealing partition plate is connected with the support frame in a sealing mode.

Furthermore, separation cover inner wall upper portion is provided with the joint arch, be used for with collect the rotatory joint of lid.

(III) advantageous effects

The above technical scheme of the utility model has following profitable technological effect:

through the distribution of the air inlet, the first-stage rotary separation flow channel, the separator and the air outlet, twice rotary separation is formed, the structure and the airflow flow channel of the cyclone separation device are redesigned while the separation effect is ensured, the air inlet path is short, the air inlet and outlet efficiency is high, and the space structure of the cyclone separator is more compact.

Drawings

Fig. 1 is a schematic structural view of a cyclone separation device provided in an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is a schematic structural view of the bottom cover of FIG. 1;

FIG. 5 is a schematic view of the structure of the cyclone tube bank of FIG. 2;

FIG. 6 is a bottom view of the breakaway cover of FIG. 1;

fig. 7 is a schematic view of the separator of fig. 2.

Reference numerals:

a, an air inlet; b: an air outlet; 1: a separator; 11: a collection plate; 12: a cyclone tube group; 13: a dust collection cover; 14: a filter screen; 15: a support frame; 16: sealing the partition plate; 2: a separation hood; 21: clamping the bulges; 3: a bottom cover; 31: a seal ring; 32: and a gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The figures are not drawn to scale, wherein certain details may be omitted for clarity. The shapes of the various regions and the relative sizes and positional relationships therebetween shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to the actual requirements.

It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of a cyclone separation device according to an embodiment of the present invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a cross-sectional view of fig. 1.

In a first embodiment of the application, as shown in figures 1 to 3, there is provided cyclonic separating apparatus comprising a housing within which a separator 1 is located. An air inlet A and an air outlet B are arranged on the side surface of the shell; the separator 1 and the shell form an annular first-stage rotary separation flow channel; and the airflow passing through the first-stage separation flow channel enters the separator 1, and is discharged from the air outlet B after the second-stage rotary separation.

In some embodiments, the housing comprises a separate cover 2 and a bottom cover 3. The bottom cover 3 is hermetically connected with the bottom of the separation cover 2, and the separation cover 2 and the bottom cover 3 surround to form a separation cavity; wherein the separator 1 is located in the separation chamber.

In some embodiments, the bottom cover 3 is provided with a sealing ring 31; the sealing ring 31 is connected with the bottom of the separation cover 2 in a sealing way.

In some embodiments, the separator 1 comprises, from top to bottom, a collecting cover 11, a set of cyclones 12 and a dust collection hood 13; the bottom cover 3 is also provided with a sealing gasket 32; the sealing gasket 32 is hermetically connected with the bottom of the dust collection cover 13.

Fig. 4 is a schematic structural view of the bottom cover in fig. 1.

In some embodiments, as shown in fig. 4, the separator 1 further comprises a filter screen 14. The filter screen 14 is arranged around the cyclone tube group 12 and is used for filtering the airflow entering the cyclone tube group 12 after the first-stage cyclone separation; the top of the filter screen 14 is clamped to the collection cover 11.

In some embodiments, the separator 1 further comprises a support frame 15. The support frame 15 is arranged at the periphery of the cyclone tube group 12 and used for clamping the bottom of the filter screen 14.

In some embodiments, the outer edges of the supporting frame 15 extend downward to form a skirt shape to prevent the upward movement of the particulate garbage that has been separated by the first stage cyclone.

Fig. 5 is a schematic view of the structure of the cyclone tube bank of fig. 2.

In some embodiments, as shown in FIG. 5, the separator 1 further comprises a sealing baffle 16. The sealing partition plate 16 is arranged outside the cyclone tube group 12 and distributed around the cyclone tube group 12, the sealing partition plate 16 extends outwards in the horizontal direction, and the sealing partition plate 16 is connected with the support frame 15 in a sealing mode.

Fig. 6 is a bottom view of the separation hood of fig. 1.

In some embodiments, as shown in fig. 6, the upper part of the inner wall of the separation hood 2 is provided with a clamping protrusion 21 for rotationally clamping with the collection cover 11.

Fig. 7 is a schematic view of the separator of fig. 2.

In some embodiments, as shown in fig. 7, the top of the collecting cover 11 is provided with a baffle 111 for collecting the airflow passing through the separator 1 before the airflow is discharged.

In some embodiments, the baffle 111 corresponds to the air outlet B, so that the collected air flow is discharged from the air outlet B.

Through the distribution of the air inlet A, the first-stage rotary separation flow channel, the separator 1 and the air outlet B, twice rotary separation is formed, the structure and the airflow flow channel of the cyclone separation device are redesigned while the separation effect is ensured, the air inlet path is short, the air inlet and outlet efficiency is high, and the space structure of the cyclone separator 1 is more compact.

In one exemplary embodiment of the present application, a cyclonic separating apparatus is provided that includes a housing. The housing comprises at least a separating hood 2 and a bottom cover 3. An air inlet A and an air outlet B are arranged on the side surface of the shell. The air inlet a may be provided with a suction nozzle, such as a suction nozzle of a vacuum cleaner, which has a tangential air inlet passage with respect to the housing, so that the intake air flow forms a tangential air flow, i.e. the air flow enters the housing tangentially.

The main body of the separation cover 2 is cylindrical and comprises a top cover and a side wall. The bottom cover 3 is disc-shaped and is matched with the separating cover 2. The separation cover 2 and the bottom cover 3 surround to form a separation cavity. The separator 1 and the shell form an annular first-stage rotary separation flow channel; and the airflow passing through the first-stage separation flow channel enters the separator 1, and is discharged from the air outlet B after the second-stage rotary separation.

A separator 1 is arranged in the separation chamber. The separator 1 comprises a collecting cover 11, the separator 1 and a dust collecting cover 13 from top to bottom in sequence.

The upper surface of the bottom cover 3 is provided with a sealing ring 31 along the edge of the bottom cover 3, and the sealing ring 31 is matched with the bottom of the separation cover 2 so as to realize sealing connection with the bottom of the separation cover 2. The middle part of the bottom cover 3 is also provided with a sealing gasket 32, the sealing gasket 32 is matched with the bottom part of the dust collection cover 13, and the sealing gasket 32 is hermetically connected with the bottom part of the dust collection cover 13, so that the particle garbage separated from the cyclone pipe group 12 is collected in the dust collection cover 13.

The main body of the cyclone tube group 12 is a cone with a large upper end and a small lower end. The cyclone tube set 12 includes a first set of cyclone tubes and a second set of cyclone tubes. The first group of cyclone tubes and the second group of cyclone tubes are distributed around the longitudinal axis of the cyclone separation device respectively, and the first group of cyclone tubes surrounds the second group of cyclone tubes.

The first set of cyclone tubes comprises at least two first cyclone tubes. The first cyclone tube is a conical tube with a large upper end and a small lower end, and is provided with an upper end opening and a lower end opening. The side wall of the upper end opening of the first cyclone pipe is provided with a first air inlet channel, the first air inlet channel and the side wall of the upper end opening of the first cyclone pipe are arranged in a tangential manner, and the first air inlet channel is used for guiding airflow to enter the first cyclone pipe in a tangential manner so as to improve the cyclone separation effect of the first cyclone pipe. The second set of cyclone tubes comprises at least two second cyclone tubes. The second cyclone tube is a conical tube with a large upper end and a small lower end, and is provided with an upper end opening and a lower end opening, a second air inlet channel is arranged on the side wall of the upper end opening of the second cyclone tube, and the second air inlet channel and the side wall of the upper end opening of the second cyclone tube are arranged tangentially.

The second air inlet channel extends outwards to a position between two adjacent first cyclone tubes and is used for guiding airflow to be tangentially led into the second cyclone tubes so as to improve the separation effect of the second cyclone tubes, and the first air inlet channel and the second air inlet channel are arranged around the outer edge of the separator 1.

The openings of the first air inlet channel and the second air inlet channel are arranged outwards, and the opening of the second air inlet channel is slightly higher than the opening of the first air inlet channel. The airflow around the separator 1 is guided by the first and second air inlet passages to rotate into the first and second cyclone tubes.

Each first air inlet channel is tangentially arranged with the side wall of the upper end opening of the first cyclone tube, and all the first air inlet channels are rotationally distributed around the longitudinal axis of the separation device. A guide plate is arranged on the inner side of the first air inlet channel. The guide plate is connected between two adjacent first cyclone tubes and connected with the outer side wall of the adjacent first air inlet channel.

The separator 1 further comprises a filter screen 14 and a support frame 15. The filter screen 14 is used to filter particulate debris in the airflow to the first and second sets of cyclones. Wherein, the outside of filter screen 14 is first order cyclone separation, and filter screen 14 is used for separating great granule rubbish from the air current. The filter screen 14 is preferably a metal filter screen, which can increase the service life and improve the filtering effect. The filter screen 14 is an annular screen, the support frame 15 is used for clamping the bottom of the filter screen 14, the top of the filter screen 14 is clamped on the lower surface of the collecting cover 11 positioned on the top of the separator 1, and the filter screen 14 is arranged to surround the cyclone tube group 12. The particulate garbage filtered by the filtering net 14 is collected under the supporting frame 15, the outer edge of the supporting frame 15 extends downwards to form a skirt-pendulum shape, and the supporting frame 15 prevents the particulate garbage which has passed through the first stage cyclone separation from moving upwards.

The separator 1 also comprises a sealing diaphragm 16. The sealing baffle 16 is an annular plate and is arranged outside the first set of cyclone tubes, rotationally distributed about the longitudinal axis of the separator 1, for sealing the airflow through the filter screen 14. And is lower than the openings of the first and second intake passages in the longitudinal direction. The sealing partition 16 extends outwards in the horizontal direction, the sealing partition 16 is at the same level or almost the same level with the bottom (lower edge) of the filter screen 14, and the sealing partition 16 is connected and sealed with the support frame 15. The filter screen 14, the support frame 15, the sealing partition 16 and the collecting cover 11 form a sealed space to seal the air flow passing through the filter screen 14. Depending on the actual situation, sealing baffle 16 may not be level with the bottom of filter mesh 14.

The collecting cover 11 is disc-shaped and provided with a flow guide pipe corresponding to the first cyclone pipe and the second cyclone pipe. The draft tube longitudinally penetrates through the collecting cover 11 and extends downwards, an opening at the upper end of the draft tube is flush with the upper surface of the collecting cover 11, and an opening at the lower end of the draft tube extends into the first cyclone tube and the second cyclone tube.

The flow guide pipe corresponds to the upper end openings of all the cyclone pipes; the axis defined by the draft tube is coaxial with the axis of the corresponding cyclone tube. The draft tube is slightly higher than the openings of the first and second air inlet passages in the longitudinal direction, so that the airflow after separating the particulate garbage in the first and second cyclone tubes is guided into the draft tube and guided to the top of the collecting cover 11.

The upper surface of the collecting cover 11 is vertically provided with a U-shaped baffle 111 along the air outlet end (upper end opening) of the draft tube, and the baffle 111 surrounds the upper end opening of the draft tube and collects the air flow discharged through the upper end opening of the draft tube before the air flow is discharged.

The bottom of the separator 1 is a dust collecting cover 13. The dust cage 13 serves to collect particulate debris separated from the airflow entering the cyclone tube assembly 12. The dust cage 13 includes a top cover and a side wall. The height of the top cover is higher than the lower end openings of the first cyclone tube and the second cyclone tube, namely, the lower end openings of the first cyclone tube and the second cyclone tube penetrate through the top cover of the dust collection cover 13, the lower ends of the first cyclone tube and the second cyclone tube extend downwards, the dust collection cover 13 surrounds the lower end openings of the first cyclone tube and the second cyclone tube, and the granular garbage is discharged from the lower end openings of the first cyclone tube and the second cyclone tube, so that the centralized processing is facilitated.

The air inlet A is tangentially arranged relative to the separation cover 2, so that air flow tangentially enters the separation cover 2 to realize first-stage cyclone separation, larger particle garbage is separated, and the larger particle garbage is attached to the inner walls of the bottom cover 3 and the separation cover 2. The airflow after the first stage cyclone separation passes through the filter screen 14 and the separator 1 in sequence in a rotating mode to realize the second stage cyclone separation, and then is discharged after passing through the collecting cover 11. The particulate refuse in the airflow is separated into the dust cage 13 by the second stage of cyclonic separation.

The upper part of the inner wall of the separation cover 2 is also provided with three clamping bulges 21 matched with the collection cover 11 and used for rotationally clamping with the collection cover 11. The collection cover 11, the baffle 111 of the collection cover 11 and the top cover of the separation cover 2 form a collection cavity, and the baffle 111 corresponds to the air outlet B, so that collected air flow is discharged from the air outlet B.

The bottom of the separation cover 2 is provided with a hinge part at the position opposite to the bottom cover 3, so that the separation cover 2 is detachably connected with the bottom cover 3. When the separated particle garbage (the particle garbage in the separation cavity, on the bottom cover 3 and in the dust collection cover 13) needs to be discharged out of the cyclone separation device, the bottom cover 3 is directly opened.

The airflow is subjected to a first stage of cyclonic separation before passing through the screen 14, i.e. after entering the cyclonic separation apparatus. The particle garbage separated by the first-stage cyclone separation is blocked, and the airflow filtered by the filter screen 14 enters the corresponding first cyclone pipe and the second cyclone pipe from top to bottom under the guidance of the first air inlet channel and the second air inlet channel to carry out the second-stage cyclone separation so as to separate the smaller particle garbage. The separated particle garbage is discharged through the lower end openings of the first cyclone tube and the second cyclone tube and enters the dust collection cover 13; the separated air flow is guided to the top of the collecting cover 11 through the upper port of the draft tube, and is discharged after being collected.

The above description refers to the embodiments of the present invention. However, these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof. Various alternatives and modifications can be devised by those skilled in the art without departing from the scope of the invention, and these alternatives and modifications are intended to be within the scope of the invention.

Claims

1. A cyclone separation device comprises a shell, a separator (1) is arranged in the shell, and is characterized in that,

an air inlet (A) and an air outlet (B) are formed in the side face of the shell;

the separator (1) and the shell form a ring-shaped first-stage rotary separation flow channel;

and the airflow passing through the first-stage separation flow channel enters the separator (1) and is discharged from the air outlet (B) after the second-stage rotary separation.

2. Cyclonic separating apparatus as claimed in claim 1, wherein the housing comprises:

a separation cover (2),

the bottom cover (3) is hermetically connected with the bottom of the separation cover (2), and the separation cover (2) and the bottom cover (3) surround to form a separation cavity; wherein the separator (1) is located in a separation chamber.

3. Cyclonic separating apparatus as claimed in claim 2,

a sealing ring (31) is arranged on the bottom cover (3);

the sealing ring (31) is connected with the bottom of the separation cover (2) in a sealing way.

4. Cyclonic separating apparatus as claimed in claim 2 or 3, wherein the separator (1) comprises, from top to bottom:

a collecting cover (11), a cyclone tube group (12) and a dust collecting cover (13);

a sealing gasket (32) is also arranged on the bottom cover (3);

the sealing gasket (32) is connected with the bottom of the dust collection cover (13) in a sealing way.

5. Cyclonic separating apparatus as claimed in claim 4, wherein the separator (1) further comprises:

the filter screen (14) is arranged around the cyclone tube group (12) and is used for filtering the airflow entering the cyclone tube group (12) after the first-stage cyclone separation;

the top of the filter screen (14) is clamped on the collection cover (11).

6. Cyclonic separating apparatus as claimed in claim 5, wherein the separator (1) further comprises:

and the support frame (15) is arranged on the periphery of the cyclone tube group (12) and used for clamping the bottom of the filter screen (14).

7. Cyclonic separating apparatus as claimed in claim 6,

the outer edge of the support frame (15) extends downwards to form a skirt-shaped pendulum to prevent the granular garbage separated by the first stage cyclone from moving upwards.

8. Cyclonic separating apparatus as claimed in claim 6 or 7, wherein the separator (1) further comprises:

the sealing partition plate (16) is arranged on the outer side of the cyclone tube group (12) and distributed around the cyclone tube group (12), the sealing partition plate (16) extends towards the outer side in the horizontal direction, and the sealing partition plate (16) is connected with the support frame (15) in a sealing mode.

9. Cyclonic separating apparatus as claimed in claim 4,

the upper part of the inner wall of the separation cover (2) is provided with a clamping protrusion (21) which is used for being rotationally clamped with the collecting cover (11).

10. Cyclonic separating apparatus as claimed in claim 9,

the top of the collecting cover (11) is provided with a baffle (111) which is used for collecting the airflow passing through the separator (1) before the airflow is discharged.