Material returning device of cyclone dust collector

By introducing a receiving pipe, a filter screen, and a clearing cone into the return material device of the cyclone dust collector, the problems of wear on the induced draft fan and blockage of the receiving cylinder are solved, achieving effective filtration of dust and impurities and long service life of the equipment.

CN223732424UActive Publication Date: 2025-12-30HEBEI HENGCAI ENVIRONMENTAL PROTECTION EQUIPMENT CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422947592.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-12-30
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

In existing cyclone dust collector return devices, the induced draft fan blades are prone to wear and the receiving cylinder is prone to blockage, resulting in a shortened equipment lifespan.

Method used

A cyclone dust collector return device was designed, including a receiving pipe, a filter screen, a cleaning mechanism, and a clearing cone. By adjusting the position of the receiving pipe, filtering dust impurities, and clearing blockages, dust is prevented from entering the induced draft fan, thus extending the equipment's lifespan.

Benefits of technology

It effectively filters dust and impurities, prevents wear on the induced draft fan, extends equipment life, avoids blockage of the receiving cylinder, and improves system stability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223732424U_ABST
    Figure CN223732424U_ABST
Patent Text Reader

Abstract

The utility model discloses a cyclone dust collector material returning device which comprises a material receiving pipe, the material receiving pipe is connected in a fixed pipe in a sliding mode, the fixed pipe is communicated with an inner cavity of an injection box body, the left end of the injection box body is fixedly connected with an induced draft fan, an air outlet pipeline of the induced draft fan is communicated with the inner cavity of the injection box body, an air inlet pipeline of the induced draft fan is communicated with a filter box body, and the filter box body is fixedly connected with a filter screen. Two filter screen plates are sequentially arranged in an inner cavity of the filter box body from left to right, an air inlet penetrates through the left end of the filter box body, a cleaning mechanism is arranged at the top end of the filter box body, a material return pipe is fixedly connected to the right end of the blowing box body, and a first driving mechanism is fixedly mounted on the right side of the top end of the blowing box body; a dredging conical head is coaxially and movably arranged in the material receiving pipe, a second driving mechanism is arranged in the material receiving pipe, dust impurities in air can be filtered through the filter screen plate, and when the material receiving pipe is blocked, the second driving mechanism is started to drive the dredging conical head to dredge the blocked dust impurities.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to cyclone dust collector technical field especially is related to cyclone dust collector back material device. BACKGROUND

[0002] Cyclone dust collector is a kind of dust removal device.Dust removal mechanism is to make dust-containing airflow rotate, dust particles are separated from airflow by centrifugal force and are trapped on the wall, and then dust particles fall into ash hopper by gravity, a screw conveyor is further arranged below cyclone dust collector main body for discharging material;

[0003] The patent with publication number CN221157192U discloses a cyclone dust collector back material device, which transports the dust and impurities discharged by the auger conveyor into the injection cavity by the receiving cylinder, the air of the induced draft fan blows towards the injection cavity, the material in the receiving cylinder falls and flows to the right of the injection cavity under the action of wind, and then enters the back material pipeline, but the induced draft fan also sucks the dust and impurities in the air into the injection cavity when blowing, in this process, the dust and impurities also pass through the inside of the induced draft fan directly, the blades and shaft of the induced draft fan are easily worn out after long-term use, reducing the service life of the induced draft fan, and a large amount of dust and impurities enter the receiving cylinder when the receiving cylinder receives the dust and impurities discharged by the auger conveyor, so the receiving cylinder is easily clogged. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing cyclone dust collector back material device to solve the technical problems in the prior art.

[0005] The utility model provides a cyclone dust collector back material device, including the receiving pipe of setting in the auger conveyor discharge port directly below, receiving pipe is along vertical coaxial seal sliding connection in fixed pipe, fixed pipe is linked together with the inner chamber of spout box body, the left end of spout box body is fixedly connected with induced draft fan, the air outlet line of induced draft fan is linked together with the inner chamber of spout box body, and the air inlet line of induced draft fan is linked together with filter box body, the inner chamber of filter box body is sequentially provided with two filter screen plates from left to right, and the left end of filter box body is penetrated with air inlet, the top of filter box body is provided with the cleaning mechanism for cleaning the left end surface of filter screen plate, the right end of spout box body is fixedly connected with back material pipe, the right side of the top of spout box body is fixedly installed with the first drive mechanism of transmission connection with receiving pipe, the coaxial activity of receiving pipe is provided with dredging cone head, and receiving pipe is provided with the second drive mechanism for driving dredging cone head to rotate and reciprocatingly moving up and down along its axial direction.

[0006] Preferably, the cleaning mechanism comprises a cleaning plate arranged on the left side of the filter screen plate, a brush is fixedly installed on one end of the cleaning plate close to the filter screen plate, a sliding plate is fixedly installed on the top end of the cleaning plate, the two sliding plates are slid upward through the top wall of the filter box body and are fixedly connected with the connecting plate, a first electric telescopic rod is fixedly installed on the front side of the filter box body, and the telescopic end of the first electric telescopic rod is fixedly connected with the connecting plate.

[0007] Preferably, the first driving mechanism comprises a second electric telescopic rod fixedly installed on the right end of the top wall of the blowing box body, the telescopic end of the second electric telescopic rod is fixedly connected with the mounting plate, and the mounting plate is fixedly connected with the side wall of the material receiving pipe.

[0008] Preferably, a sealing ring is coaxially and fixedly connected to the inner wall of the fixed pipe, and the inner side wall of the sealing ring abuts against the outer side wall of the material receiving pipe to form a seal.

[0009] Preferably, the bottom end of the dredging cone head is coaxially and fixedly connected with a transmission screw rod, a supporting plate is fixedly connected in the material receiving pipe, a threaded sleeve is fixedly connected to the middle portion of the supporting plate, the bottom end of the transmission screw rod passes through the threaded sleeve and the supporting plate, and the transmission screw rod is screw-connected with the threaded sleeve, the second driving mechanism comprises a driving motor fixedly connected to the bottom end of the supporting plate, a first gear is coaxially and fixedly assembled to the output shaft of the driving motor, the first gear is meshed with a second gear, the second gear is coaxially sleeved on the outer side of the transmission screw rod, and the second gear is rotatably connected to the supporting plate, the inner side wall of the second gear is fixedly connected with sliding blocks on the left side and the right side, respectively, and the transmission screw rod is provided with sliding grooves on the left side and the right side, respectively.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] Through the overall structure of the device, by starting the first driving mechanism, the receiving pipe is driven to move along the vertical direction, the distance between the receiving pipe and the discharge port of the auger conveyor can be adjusted according to the different height of the discharge port of the auger conveyor, the dust and impurities discharged from the discharge port of the auger conveyor enter into the blowing box through the receiving pipe and the fixed pipe, by starting the induced draft fan, the induced draft fan enters the air from the air inlet into the filter box, the dust and impurities in the air are filtered through the filter screen, the filtered air enters into the induced draft fan, and then is conveyed into the blowing box by the induced draft fan, the wind blows into the inner cavity of the blowing box, the material in the receiving pipe falls and flows to the right of the inner cavity of the blowing box under the action of the wind, and then enters into the return pipe, the filter screen can filter the dust and impurities in the air, the wind containing the dust and impurities is prevented from entering into the induced draft fan, so that the service life of the induced draft fan is reduced, and when the receiving pipe is blocked, the second driving mechanism is started to drive the dredging cone head to rotate and reciprocate up and down along the axial direction, so that the blocked dust and impurities are dredged. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0013] Figure 1 It is the overall structural diagram of the present application;

[0014] Figure 2 It is the sectional view of the filter box of the present application;

[0015] Figure 3 It is the sectional view of the connection of the blowing box, the fixed pipe and the receiving pipe of the present application;

[0016] Figure 4 It is Figure 3 It is the enlarged view of A in the middle;

[0017] Figure 5 It is the structural schematic view of the connection of the dredging cone head and the second driving mechanism of the present application.

[0018] REFERENCE SIGNS:

[0019] 1, receiving pipe; 2, fixed pipe; 3, blowing box body; 4, air blower; 5, filter box body; 6, filter screen plate; 7, air inlet; 8, return pipe; 9, dredging cone head; 10, cleaning plate; 11, brush; 12, sliding plate; 13, connecting plate; 14, first electric telescopic rod; 15, second electric telescopic rod; 16, mounting plate; 17, sealing ring; 18, transmission screw; 19, support plate; 20, threaded sleeve; 21, driving motor; 22, first gear; 23, second gear; 24, sliding block; 25, sliding groove. DETAILED DESCRIPTION

[0020] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0021] The components of the embodiments of the present application generally described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0022] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The following will be described in conjunction with Figures 1 to 5The utility model discloses a cyclone dust collector back material device, including setting in the auger conveyor discharge port right below the material receiving pipe 1, material receiving pipe 1 is along the vertical coaxial sealed sliding connection in fixed pipe 2, and fixed pipe 2 is linked together with the inner chamber of the blowing box body 3, and the left end of blowing box body 3 is fixedly connected with the air draught fan 4, and the air outlet pipeline of air draught fan 4 is linked together with the inner chamber of blowing box body 3, and the air inlet pipeline of air draught fan 4 is linked together with filter box body 5, and the inner chamber of filter box body 5 is sequentially provided with two filter screen plates 6 from left to right, and the left end of filter box body 5 is penetrated with the air inlet 7, and the top of filter box body 5 is provided with the cleaning mechanism for cleaning the left end face of filter screen plate 6, and the right end of blowing box body 3 is fixedly connected with the back material pipe 8, and the right side of the top of blowing box body 3 is fixedly installed with the first drive mechanism, and the first drive mechanism is transmission connection with material receiving pipe 1, and the coaxial movable setting of material receiving pipe 1 has dredging cone head 9, and material receiving pipe 1 is provided with the second drive mechanism, and the second drive mechanism can drive dredging cone head 9 to rotate, and simultaneously drives dredging cone head 9 to reciprocatingly move up and down along its axial direction;

[0026] The utility model discloses in using, through starting the first drive mechanism, drive material receiving pipe 1 moves along the vertical direction, can according to the auger conveyor discharge port height's difference, adjust the distance between material receiving pipe 1 and the discharge port of auger conveyor, and the dust and impurity of the discharge port of auger conveyor is entered into blowing box body 3 through material receiving pipe 1, fixed pipe 2, through starting air draught fan 4, and air draught fan 4 will wind from air inlet 7 into filter box body 5, and the dust and impurity in wind are filtered through filter screen plate 6, and the wind after filtering enters into air draught fan 4, and is transported to blowing box body 3 again through air draught fan 4, and wind blows to the inner chamber of blowing box body 3, and the material in material receiving pipe 1 falls and flows to the right of the inner chamber of blowing box body 3 under the action of wind force, and then enters into back material pipe 8, and the utility model discloses through setting filter screen plate 6, can filter the dust and impurity in wind, prevent the wind with dust and impurity from entering into air draught fan 4 to reduce the life of air draught fan 4, when material receiving pipe 1 is blocked, the utility model discloses through starting the second drive mechanism drive dredging cone head 9 rotates and reciprocatingly moves up and down along its axial direction, and dredges the dust and impurity of blockage.

[0027] The cleaning mechanism comprises a cleaning plate 10 arranged at the left side of the filter screen plate 6, a brush 11 is fixedly installed at one end of the cleaning plate 10 close to the filter screen plate 6, the brush 11 abuts against the filter screen plate 6, a sliding plate 12 is fixedly installed at the top end of the cleaning plate 10, the two sliding plates 12 slide through the top wall of the filter box body 5 upwards and are fixedly connected with a connecting plate 13, a first electric telescopic rod 14 is fixedly installed at the front side of the filter box body 5, the telescopic end of the first electric telescopic rod 14 is fixedly connected with the connecting plate 13, the first electric telescopic rod 14 drives the connecting plate 13 to reciprocate upwards and downwards, the connecting plate 13 drives the sliding plate 12 to reciprocate upwards and downwards, the sliding plate 12 drives the cleaning plate 10 and the brush 11 to move upwards and downwards, and the dust and impurities on the filter screen plate 6 are wiped and cleaned, so that the filter holes of the filter screen plate 6 are prevented from being blocked.

[0028] Specifically, the first driving mechanism comprises a second electric telescopic rod 15 fixedly installed at the right end of the top wall of the blowing box body 3, the telescopic end of the second electric telescopic rod 15 is fixedly connected with a mounting plate 16, the mounting plate 16 is fixedly connected with the side wall of the material receiving pipe 1, the second electric telescopic rod 15 drives the mounting plate 16 to move upwards and downwards by being started, and the mounting plate 16 drives the material receiving pipe 1 to move upwards and downwards, so that the height of the material receiving pipe 1 can be adjusted; a sealing ring 17 is coaxially fixedly connected with the inner wall of the fixed pipe 2, and the inner side wall of the sealing ring 17 abuts against the outer side wall of the material receiving pipe 1 to form a seal.

[0029] Specifically, the bottom end of the dredging cone head 9 is coaxially fixedly connected with a transmission screw rod 18, the material receiving pipe 1 is fixedly connected with a supporting plate 19, the middle part of the supporting plate 19 is fixedly connected with a threaded sleeve 20, the bottom end of the transmission screw rod 18 penetrates through the threaded sleeve 20 and the supporting plate 19, and the transmission screw rod 18 is threadedly connected with the threaded sleeve 20; the second driving mechanism comprises a driving motor 21 fixedly connected at the bottom end of the supporting plate 19, a first gear 22 is coaxially fixedly assembled with the output shaft of the driving motor 21, the first gear 22 is in meshing transmission with a second gear 23, the second gear 23 is coaxially sleeved on the outer side of the transmission screw rod 18, the second gear 23 is rotatably connected with the supporting plate 19, the inner side wall of the second gear 23 is fixedly connected with sliding blocks 24 on the left and right sides, respectively, and the transmission screw rod 18 is provided with sliding grooves 25 on the left and right sides, respectively, and the sliding blocks 24 are slidingly connected in the sliding grooves 25; the driving motor 21 drives the first gear 22 to rotate by being started, the first gear 22 drives the second gear 23 to rotate, the second gear 23 drives the transmission screw rod 18 to rotate through the sliding blocks 24 and the sliding grooves 25, the transmission screw rod 18 is driven to move upwards and downwards due to the threaded connection between the transmission screw rod 18 and the threaded sleeve 20, the transmission screw rod 18 drives the dredging cone head 9 to rotate and reciprocate upwards and downwards along the vertical direction, and the clogged dust and impurities are dredged by the dredging cone head 9.

[0030] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A cyclone dust collector return device characterized by: Including the material receiving pipe arranged in the auger conveyor discharge port directly below, the material receiving pipe is coaxially sealed slidingly connected in the fixed pipe, the fixed pipe is connected with the inner chamber of the blowing box body, the left end of the blowing box body is fixedly connected with the air blower, the air outlet pipeline of the air blower is connected with the inner chamber of the blowing box body, and the air inlet pipeline of the air blower is connected with the filter box body, the inner chamber of the filter box body is sequentially provided with two filter screen plates from left to right, and the left end of the filter box body penetrates the air inlet, the top end of the filter box body is provided with a cleaning mechanism for cleaning the left end face of the filter screen plate, the right end of the blowing box body is fixedly connected with the return pipe, the right side of the top end of the blowing box body is fixedly installed with the first driving mechanism in transmission connection with the material receiving pipe, the material receiving pipe is coaxially movably provided with a dredging cone head, and the material receiving pipe is provided with a second driving mechanism for driving the dredging cone head to rotate and reciprocate up and down along its axial direction.

2. The cyclone dust collector return apparatus of claim 1, wherein: The cleaning mechanism includes cleaning plates arranged on the left side of the filter screen plates respectively, one end of the cleaning plate close to the filter screen plate is fixedly installed with a brush, the top end of the cleaning plate is fixedly installed with a sliding plate, the two sliding plates slide upwards through the top wall of the filter box body and are fixedly connected with the connecting plate, the front side of the filter box body is fixedly installed with a first electric telescopic rod, and the telescopic end of the first electric telescopic rod is fixedly connected with the connecting plate.

3. The cyclone dust collector return apparatus of claim 2, wherein: The first driving mechanism includes a second electric telescopic rod fixedly installed at the right end of the top wall of the blowing box body, the telescopic end of the second electric telescopic rod is fixedly connected with the mounting plate, and the mounting plate is fixedly connected with the side wall of the material receiving pipe.

4. The cyclone dust collector return apparatus of claim 3, wherein: The inner wall of the fixed pipe is coaxially fixedly connected with a sealing ring, and the inner side wall of the sealing ring abuts against the outer side wall of the material receiving pipe to form a seal.

5. The cyclone refiuid device of claim 4, wherein: The bottom end of the dredging cone head is coaxially fixedly connected with a transmission screw rod, the material receiving pipe is fixedly connected with a support plate, the middle part of the support plate is fixedly connected with a threaded sleeve, the bottom end of the transmission screw rod penetrates the threaded sleeve and the support plate, and the transmission screw rod is threadedly connected with the threaded sleeve, the second driving mechanism includes a driving motor fixedly connected to the bottom end of the support plate, the output shaft of the driving motor is coaxially fixedly assembled with a first gear, the first gear is in meshing transmission with a second gear, the second gear is coaxially sleeved on the outer side of the transmission screw rod, and the second gear is rotatably connected to the support plate, the inner side wall of the second gear is fixedly connected with a sliding block on the left and right sides, and the transmission screw rod is provided with a sliding groove on the left and right sides, and the sliding block is slidingly connected in the sliding groove.

Citation Information

Patent Citations

  • Material returning device of cyclone dust collector

    CN221157192U