CN210187435U

CN210187435U - Cyclone dust collector

Info

Publication number: CN210187435U
Application number: CN201920720449.3U
Authority: CN
Inventors: Huiwen Li; 李会文; Wenqin Zhao; 赵文勤; Tingsan Wang; 王廷三
Original assignee: Zhangye City Light Agricultural Science And Technology Development Co Ltd
Current assignee: Zhangye City Light Agricultural Science And Technology Development Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-03-27
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a cyclone relates to the dust collector field. A cyclone dust collector comprises a dust collector body, wherein the dust collector body comprises a primary dust collection cavity, a secondary dust collection cavity and a dust discharge hopper; the secondary dust removal cavity is positioned above the primary dust removal cavity and is detachably connected with the primary dust removal cavity through a hoop; the ash discharge hopper is positioned below the primary dust removal cavity and is connected with the primary dust removal cavity through a flange; at least two supporting frames are arranged on the side wall of the dust remover body, and a damping frame is arranged at the bottom of each supporting frame; the shock absorption frame comprises a transverse shock absorption area and a vertical shock absorption area, and the transverse shock absorption area is positioned above the vertical shock absorption area; the side wall of the primary dust removal cavity is connected with an air inlet, the top of the secondary dust removal cavity is provided with an exhaust pipe, and a joint of the top of the primary dust removal cavity and the bottom of the secondary dust removal cavity is provided with an air passing port; and a filter screen bracket are arranged in the secondary dust removal cavity.

Description

Cyclone dust collector

Technical Field

The utility model relates to a dust collector field, in particular to cyclone.

Background

The cyclone dust collector is a gas dust collector. The principle of dust removal is to make the dust-containing air flow rotate, separate and collect the dust particles from the air flow by means of centrifugal force, and then make the dust particles fall into the dust discharging hopper by means of gravity.

In practical application, the dust removal efficiency of the cyclone dust collector is influenced by various factors, such as the diameter of the dust collector, the size of an air inlet, the diameter of an exhaust pipe and the like, and in order to improve the dust removal efficiency, all factors must be considered, so that an ideal dust removal effect is difficult to achieve. In addition, in the dust removal process, the gas flow velocity of the gas inlet is high, and the gas performs high-speed centrifugal motion in the cyclone dust collector, so that the dust collector body generates large vibration which comprises transverse vibration and vertical vibration, and the traditional shock absorption system of the dust collector does not take the two vibrations into consideration. And, when cyclone dust collector worked, be in negative pressure state in the cavity, if the ash bucket leaked out when unloading the ash, can influence cyclone's dust collection efficiency by a wide margin.

Disclosure of Invention

The utility model aims to provide a: the cyclone dust collector is provided with the primary dust collection cavity and the secondary dust collection cavity, and the two-stage dust collection mode effectively improves the dust collection efficiency; and the first-stage dust removal cavity and the second-stage dust removal cavity are detachably connected, so that the interiors of the two cavities can be cleaned conveniently, and internal parts can be replaced conveniently. The ash discharging hopper is provided with two valves, when the dust remover body works, the first valve is opened, and the trapped impurity particles fall into the ash discharging hopper; when the impurity particles need to be removed, the first valve is closed, and the second valve is opened to remove the impurity particles. The dust removal device can remove dust in time and maintain the negative pressure state in the primary dust removal cavity. The shock absorption frame is provided with a transverse shock absorption area and a vertical shock absorption area, and shock absorption operation is performed on transverse vibration and vertical vibration respectively.

The utility model adopts the technical scheme as follows:

a cyclone dust collector comprises a dust collector body, wherein the dust collector body comprises a primary dust collection cavity, a secondary dust collection cavity and a dust discharge hopper; the secondary dust removal cavity is positioned above the primary dust removal cavity and is detachably connected with the primary dust removal cavity through a hoop; the ash discharge hopper is positioned below the primary dust removal cavity and is connected with the primary dust removal cavity through a flange;

at least two supporting frames are arranged on the side wall of the dust remover body, and a damping frame is arranged at the bottom of each supporting frame; the shock absorption frame comprises a transverse shock absorption area and a vertical shock absorption area, and the transverse shock absorption area is positioned above the vertical shock absorption area;

the side wall of the primary dust removal cavity is connected with an air inlet, the top of the secondary dust removal cavity is provided with an exhaust pipe, and a joint of the top of the primary dust removal cavity and the bottom of the secondary dust removal cavity is provided with an air passing port; and a filter screen bracket are arranged in the secondary dust removal cavity.

The utility model discloses compare with traditional cyclone, set up one-level dust removal chamber and second grade dust removal chamber, wherein the structure in one-level dust removal chamber is similar with traditional dust remover, still remains impurity after finishing to the one-level dust removal chamber processing, and the intracavity that carries out secondary treatment of sending into the second grade dust removal again to this improves dust collection efficiency. The first-stage dust removal cavity and the second-stage dust removal cavity are detachably connected, the concrete connection mode adopts hoop connection, and the shape and the radian of the inner wall of the hoop are attached to the outer wall of the dust remover body, so that the purpose that the first-stage dust removal cavity and the second-stage dust removal cavity are tightly combined is achieved. The detachable design is convenient for cleaning the interiors of the two chambers and replacing internal parts.

Furthermore, the primary dust removing cavity is conical, and an included angle between the side wall of the primary dust removing cavity and a vertical plane is 20-30 degrees; and a certain included angle is formed between the side wall of the secondary dust removing cavity and the vertical plane, and the included angle is 5-10 degrees.

The diameter of the primary dust removal cavity of the dust remover body can directly influence the dust removal efficiency. The smaller the diameter of the primary dust removal cavity is, the smaller the rotation radius of the airflow is, the larger the centrifugal force borne by the impurity particles is, and the easier the dust particles are trapped; and the diameter of the primary dust removal cavity is too small, so that the impurity particles are easy to escape and easily cause blockage. So the utility model discloses an one-level dust removal cavity adopts the toper structure, and its cross-sectional diameter reduces from top to bottom gradually, and the impurity ion of entrapment also falls into the ash bucket more easily. And the side wall of the second-stage dust removing cavity is also provided with a certain angle in order to improve the dust removing efficiency, so that the hoop filter screen support is more convenient.

Furthermore, a cooling water channel is also arranged in the side wall of the dust remover body and is circularly communicated with an external water storage tank through a water inlet and a water outlet; and a sound insulation layer is also arranged in the side wall of the dust remover body and is arranged on the outer side of the cooling water channel.

In the operation process of the dust remover body, impurity ions can continuously rub the inner wall of the primary dust removing cavity when performing centrifugal motion in the primary dust removing cavity, so that certain heat can be generated. And the temperature of the inner wall of the primary dust removal cavity is increased, which is not beneficial to trapping impurity particles. The utility model discloses the cooling water course that sets up, under the effect of water pump, make and have circulation rivers in the cooling water course, come to last the cooling to one-level dust removal intracavity wall, ice-cold inner wall and the foreign particle contact that has the uniform temperature can increase viscidity between the two, are favorable to the entrapment foreign particle, increase dust collection efficiency. And the sound insulation layer is arranged to reduce the noise generated in the operation process of the dust remover body.

Furthermore, the filter screen bracket is an annular bracket, and also comprises a supporting rod horizontally penetrating through the central axis of the filter screen bracket and a supporting block A arranged at the midpoint of the supporting rod; a rotating motor is arranged in the supporting block A; the filter screen is circular filter screen, and the geometric center department of filter screen is equipped with supporting shoe B, the output and the supporting shoe B of rotating electrical machines are connected.

The utility model discloses the filter screen in second grade dust removal intracavity can be rotary motion along the axis in second grade dust removal chamber. The rotary filter screen can not only slow down the speed of the airflow, but also fully remove dust; in addition, in the process of cleaning the inside of the secondary dust removing cavity, the rotating filter screen is beneficial to throwing away the impurity particles which are collected on the filter screen to the bottom of the secondary dust removing cavity, so that the cleaning is facilitated.

Furthermore, be equipped with the triangular support on the inner wall in second grade dust removal chamber, the top of triangular support is equipped with the arc dog, interval and filter screen support's width phase-match between triangular support and the arc dog.

Because the cavity lateral wall in second grade dust removal chamber has certain inclination, and filter screen support installation and the cavity middle part in second grade dust removal chamber, then the diameter of filter screen support is less than the diameter on the cavity upper portion in second grade dust removal chamber, is greater than the diameter of the cavity lower part in second grade dust removal chamber. When installing the filter screen support, make the slow downstream of filter screen support from arc dog upper portion, offset and the triangular support, accomplish the installation promptly between filter screen support clamp and arc dog and the triangular support. The installation is firm, has convenient to detach.

Furthermore, a first valve is arranged at the top of the ash discharging hopper and connected with a flange at the bottom of the primary dust removing cavity; and a second valve is arranged at the bottom of the ash discharging hopper.

The tightness of the lower part of the cyclone is another important factor affecting the dust removal efficiency. After entering the cyclone dust collector, the dust-containing gas makes spiral rotation motion from top to bottom along the outer wall, and the downward rotating airflow reaches the bottom of the cone, turns upwards and rotates upwards along the axis. The pressure distribution in the cyclone dust collector is determined by the distribution of the axial velocity and the radial velocity of the airflow, wherein the pressure change of each section in the axial direction is small, and the pressure change in the radial direction is large. Therefore, the negative pressure at the ash discharging hopper is maximum, larger air leakage can be generated slightly loosely, and the settled impurity particles are carried out of the exhaust pipe by the ascending air flow.

The ash discharging hopper of the utility model is provided with two valves, when the dust remover body works, the first valve is opened, the interior of the ash discharging hopper is communicated with the interior of the primary dust removing cavity, and the collected impurity particles all fall into the ash discharging hopper; when the impurity particles collected in the ash discharging hopper need to be removed, the first valve is closed, and the second valve is opened to remove the impurities. Under the condition of ensuring the tightness of the first valve and the second valve, the adverse effect is avoided, dust can be removed in time, and the negative pressure state in the primary dust removal cavity can be maintained.

Further, horizontal shock attenuation district includes the sleeve pipe, the support frame body of rod inlays in the sleeve pipe, and sets up the rubber pad between the support frame body of rod and sleeve pipe.

Furthermore, the vertical shock absorption area comprises an upper plate, a lower plate, an outer rod, an inner rod and a spring, one end of the outer rod is connected with the bottom surface of the upper plate, one end of the inner rod is connected with the top surface of the lower plate, a notch is formed in the outer rod, and the inner rod is embedded in the notch of the outer rod; a spring is arranged between the other end of the inner rod and the bottom surface of the upper plate, and a spring is arranged between the other end of the outer rod and the top surface of the lower plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the cyclone dust collector is provided with the primary dust removing cavity and the secondary dust removing cavity, and the two-stage dust removing mode effectively improves the dust removing efficiency; and the first-stage dust removal cavity and the second-stage dust removal cavity are detachably connected, so that the interiors of the two cavities can be cleaned conveniently, and internal parts can be replaced conveniently.

2. The utility model relates to a cyclone dust collector, wherein an ash discharging hopper is provided with two valves, when the dust collector body works, a first valve is opened, and the collected impurity particles all fall into the ash discharging hopper; when the impurity particles need to be removed, the first valve is closed, and the second valve is opened to remove the impurity particles. The dust removal device can remove dust in time and maintain the negative pressure state in the primary dust removal cavity.

3. The utility model relates to a cyclone, shock attenuation frame wherein has set up horizontal damping zone and vertical damping zone, carries out the shock attenuation operation to horizontal vibration and vertical vibration respectively.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is an external view of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of a filter screen and a filter screen bracket according to the present invention;

FIG. 4 is a schematic view of the shock mount of the present invention;

in the figure, 1-a primary dust removing cavity, 11-an air inlet, 12-an air passing port, 13-a sound insulation layer, 2-a secondary dust removing cavity, 21-an exhaust pipe, 22-an arc stop block, 23-a triangular support, 3-an ash bucket, 31-a first valve, 32-a second valve, 41-an anchor ear, 42-a flange, 5-a support frame, 6-a shock absorption frame and 61-a sleeve, 62-rubber pad, 63-upper plate, 64-lower plate, 65-outer rod, 66-inner rod, 67-spring, 7-water storage tank, 71-water inlet, 72-water outlet, 73-cooling water channel, 8-filter screen, 81-filter screen bracket, 82-support rod, 83-support block A, 84-support block B and 85-rotating motor.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The present invention will be described in detail with reference to fig. 1, 2, 3 and 4.

Example 1

A cyclone dust collector, as shown in figures 1 and 2, comprises a dust collector body, wherein the dust collector body comprises a primary dust collection cavity 1, a secondary dust collection cavity 2 and a dust discharge hopper 3; the secondary dust removing cavity 2 is positioned above the primary dust removing cavity 1 and is detachably connected with the primary dust removing cavity through a hoop 41; the dust hopper 3 is positioned below the primary dust removing cavity 1 and is connected with the primary dust removing cavity through a flange 42.

The utility model discloses compare with traditional cyclone, set up one-level dust removal chamber 1 and second grade dust removal chamber 2, wherein the structure in one-level dust removal chamber 1 is similar with traditional dust remover, handles remaining impurity after finishing to one-level dust removal chamber 1, and secondary treatment carries out in sending into second grade dust removal chamber 2 again to this improves dust collection efficiency. Wherein, be detachable connections between one-level dust removal chamber 1 and the second grade dust removal chamber 2, concrete connection adopts staple bolt 41 to connect, the shape and the radian of the inner wall of staple bolt 41 are laminated with the dust remover organism outer wall mutually to reach the mesh that makes, one-level dust removal chamber 1 and second grade dust removal chamber 2 combine closely. The detachable design is convenient for cleaning the interiors of the two chambers and replacing internal parts.

Example 2

As shown in fig. 2, the dust hopper 3 is located below the primary dust removing chamber 1, and is connected to the primary dust removing chamber 1 through a flange 42, a first valve 31 is disposed at the top of the dust hopper 3, and the first valve 31 is connected to the flange 42 at the bottom of the primary dust removing chamber 1; the bottom of the hopper 3 is provided with a second valve 32.

The tightness of the lower part of the cyclone is another important factor affecting the dust removal efficiency. After entering the cyclone dust collector, the dust-containing gas makes spiral rotation motion from top to bottom along the outer wall, and the downward rotating airflow reaches the bottom of the cone, turns upwards and rotates upwards along the axis. The pressure distribution in the cyclone dust collector is determined by the distribution of the axial velocity and the radial velocity of the airflow, wherein the pressure change of each section in the axial direction is small, and the pressure change in the radial direction is large. Therefore, the negative pressure at the hopper 3 is the largest, and a large air leakage occurs slightly, and the deposited impurity particles are carried out of the exhaust pipe 21 by the ascending air current.

The ash discharging hopper 3 of the utility model is provided with two valves, when the dust remover body works, the first valve 31 is opened, the interior of the ash discharging hopper 3 is communicated with the interior of the primary dust removing cavity 1, and the collected impurity particles all fall into the ash discharging hopper 3; when the impurity particles collected in the ash discharging hopper 3 need to be removed, the first valve 31 is closed, and the second valve 32 is opened to remove the impurity particles. Under the condition of ensuring the tightness of the first valve 31 and the second valve 32, the adverse effects are avoided, and the negative pressure state in the primary dust removing cavity 1 can be maintained while the dust is removed in time.

Example 3

As shown in fig. 2, a cooling water channel 73 is further arranged in the side wall of the dust collector body, and the cooling water channel 73 is in circulating communication with the external water storage tank 7 through a water inlet 71 and a water outlet 72; and a sound insulation layer 13 is further arranged in the side wall of the dust remover body, and the sound insulation layer 13 is arranged on the outer side of the cooling water channel 73.

In the operation process of the dust remover body, impurity ions can continuously rub the inner wall of the primary dust removing cavity 1 when performing centrifugal motion in the primary dust removing cavity 1, so that certain heat can be generated. The temperature of the inner wall of the primary dust removing cavity 1 is increased, which is not beneficial to capturing the impurity particles. The utility model discloses the cooling water course 73 that sets up, under the effect of water pump, make and have circulation rivers in the cooling water course 73, come to last the cooling to one-level dust removal chamber 1 inner wall, ice-cold inner wall and the foreign particle contact that has the uniform temperature can increase viscidity between the two, are favorable to the entrapment foreign particle, increase dust collection efficiency. The soundproof layer 13 is provided to reduce noise generated during the operation of the cleaner body.

Example 4

This example is a supplementary explanation of example 1.

The diameter of the primary dust removal cavity 1 of the dust remover body can directly influence the dust removal efficiency, and the smaller the diameter of the primary dust removal cavity 1 is, the smaller the rotation radius of the airflow is, the larger the centrifugal force on the impurity particles is, and the easier the dust particles are trapped; and the diameter of the primary dust removing cavity 1 is too small, so that the impurity particles are easy to escape and easily cause blockage. In order to seek the balance between the two, the utility model discloses establish one-level dust removal chamber 1 to the toper, and the lateral wall in one-level dust removal chamber 1 is 20-30 degrees with the contained angle between the vertical plane, and under this angle, dust collection efficiency is good.

In addition, as shown in fig. 3, in order to facilitate installation of the screen bracket 81, a certain inclination angle is provided to the sidewall of the secondary dust-removing chamber 2. Because the filter screen support 81 is installed in the middle of the cavity of the second-stage dust removing cavity 2, the diameter of the filter screen support 81 is smaller than that of the upper part of the cavity of the second-stage dust removing cavity 2 and larger than that of the lower part of the cavity of the second-stage dust removing cavity 2. Therefore, the included angle between the side wall of the secondary dedusting cavity 2 and the vertical plane is optimal within 5-10 degrees.

Example 5

As shown in fig. 4, at least two support frames 5 are arranged on the side wall of the dust remover body, and a damping frame 6 is arranged at the bottom of each support frame 5; the shock absorption frame 6 comprises a transverse shock absorption area and a vertical shock absorption area, and the transverse shock absorption area is positioned above the vertical shock absorption area;

the vertical shock absorption region comprises an upper plate 63, a lower plate 64, an outer rod 65, an inner rod 66 and a spring 67, one end of the outer rod 65 is connected with the bottom surface of the upper plate 63, one end of the inner rod 66 is connected with the top surface of the lower plate 64, a notch is formed in the outer rod 65, and the inner rod 66 is embedded in the notch of the outer rod 65; a spring 67 is arranged between the other end of the inner rod 66 and the bottom surface of the upper plate 63, and a spring 67 is arranged between the other end of the outer rod 65 and the top surface of the lower plate 64.

The utility model discloses a shock attenuation frame 6 has set up horizontal damping region and vertical damping region, carries out the shock attenuation operation to horizontal vibration and vertical vibration respectively. Wherein horizontal damping region through the setting of rubber pad 62, slows down lateral vibration to the focus of dust remover organism has been reduced, makes the dust remover organism place more firm. And vertical damping region receives when vibrating at upper plate 63, and vibration downwardly transferred to outer pole 65 department, owing to spring 67's setting again, plays ascending elastic support power to outer pole 65, so make upper plate 63 and outer pole 65 whole reciprocating motion in vertical direction, but do not influence the support stationarity of hypoplastron 64 to play the cushioning effect.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A cyclone dust collector is characterized in that: the dust remover comprises a dust remover body, wherein the dust remover body comprises a primary dust removing cavity (1), a secondary dust removing cavity (2) and a dust discharging hopper (3); the secondary dust removing cavity (2) is positioned above the primary dust removing cavity (1), and the secondary dust removing cavity and the primary dust removing cavity are detachably connected through a hoop (41); the ash discharging hopper (3) is positioned below the primary dust removing cavity (1) and is connected with the primary dust removing cavity through a flange (42);

at least two support frames (5) are arranged on the side wall of the dust remover body, and a damping frame (6) is arranged at the bottom of each support frame (5); the shock absorption frame (6) comprises a transverse shock absorption area and a vertical shock absorption area, and the transverse shock absorption area is positioned above the vertical shock absorption area;

the side wall of the primary dust removing cavity (1) is connected with an air inlet (11), the top of the secondary dust removing cavity (2) is provided with an exhaust pipe (21), and a joint of the top of the primary dust removing cavity (1) and the bottom of the secondary dust removing cavity (2) is provided with an air passing port (12); and a filter screen (8) and a filter screen support (81) are arranged in the secondary dust removing cavity (2).

2. A cyclone collector as claimed in claim 1, wherein: the primary dust removing cavity (1) is conical, and an included angle between the side wall of the primary dust removing cavity (1) and a vertical plane is 20-30 degrees; and a certain included angle is formed between the side wall of the secondary dust removing cavity (2) and a vertical plane, and the included angle is 5-10 degrees.

3. A cyclone collector as claimed in claim 1, wherein: a cooling water channel (73) is also arranged in the side wall of the dust remover body, and the cooling water channel (73) is circularly communicated with an external water storage tank (7) through a water inlet (71) and a water outlet (72); and a sound insulation layer (13) is further arranged in the side wall of the dust remover body, and the sound insulation layer (13) is arranged on the outer side of the cooling water channel (73).

4. A cyclone collector as claimed in claim 1, wherein: the filter screen bracket (81) is an annular bracket, and further comprises a supporting rod (82) horizontally penetrating through the central axis of the filter screen bracket (81), and a supporting block A (83) arranged at the midpoint of the supporting rod (82); a rotating motor (85) is arranged in the supporting block A (83); the filter screen (8) are circular filter screens, the geometric center of the filter screen (8) is provided with a supporting block B (84), and the output end of the rotating motor (85) is connected with the supporting block B (84).

5. A cyclone collector as claimed in claim 4, wherein: be equipped with triangular support post (23) on the inner wall of second grade dust removal chamber (2), the top of triangular support post (23) is equipped with arc dog (22), interval between triangular support post (23) and arc dog (22) and the width phase-match of filter screen support (81).

6. A cyclone collector as claimed in claim 1, wherein: a first valve (31) is arranged at the top of the ash discharging hopper (3), and the first valve (31) is connected with a flange (42) at the bottom of the primary dust removing cavity (1); and a second valve (32) is arranged at the bottom of the ash discharging hopper (3).

7. A cyclone collector as claimed in claim 1, wherein: the horizontal damping area comprises a sleeve (61), the rod body of the support frame (5) is embedded in the sleeve (61), and a rubber pad (62) is arranged between the rod body of the support frame (5) and the sleeve (61).

8. A cyclone collector as claimed in claim 1, wherein: the vertical damping area comprises an upper plate (63), a lower plate (64), an outer rod (65), an inner rod (66) and a spring (67), one end of the outer rod (65) is connected with the bottom surface of the upper plate (63), one end of the inner rod (66) is connected with the top surface of the lower plate (64), a notch is formed in the outer rod (65), and the inner rod (66) is embedded in the notch of the outer rod (65); a spring (67) is arranged between the other end of the inner rod (66) and the bottom surface of the upper plate (63), and a spring (67) is arranged between the other end of the outer rod (65) and the top surface of the lower plate (64).