Adiabatic dust collector

Abstract

The present invention relates to the technical field of dust collectors, and in particular to an insulated dust collector. It comprises a shell, the shell being made of heat-insulating material, the shell being provided with an air inlet and an ash discharge unit, the shell being provided with a control terminal and an exhaust unit, the shell being fixed with a first support member and a second support member, a plurality of rotating racks being rotatably arranged between the first support member and the second support member, the outer side of the rotating rack being fixed with a filter member, the rotating rack and the adjacent filter members forming a single-opening cavity; a driving unit being provided on the first support member, the driving unit being used to drive all the rotating racks and the filter members to rotate. The present invention uses the centrifugal principle to temporarily separate large particles of impurities on the filter member under the action of rotation, thereby extending the effective filtration time. At the same time, the separation of large particles facilitates the attachment of fine impurities, thereby improving the utilization rate of the filter member.

Description

Technical Field

[0001] The present invention relates to the technical field of dust collectors, and in particular to an adiabatic dust collector. Background Art

[0002] Dust collectors are devices used to remove dust and particulate matter generated during industrial production processes, aiming to improve air quality, protect the environment, and safeguard worker health. They are widely used in industries such as power, steel, and chemicals. Based on their operating principles and structural characteristics, dust collectors can be divided into mechanical dust collectors, wet dust collectors, filter-type dust collectors (such as baghouses), electrostatic dust collectors, and new composite dust collectors.

[0003] Bag filters are widely used due to their high-efficiency filtration performance. Their working principle is to use the airflow passing through the filter cloth to trap dust particles on the surface of the bag, thereby achieving gas purification.

[0004] However, in actual operation, this type of dust collector faces a significant problem: due to the airflow, large impurities have a larger surface area and are driven by the air, causing them to preferentially adhere to the filter cloth surface, forming an initial deposition layer. This premature deposition of large particles on the filter cloth surface can quickly block the effective ventilation area of the bag filter membrane, resulting in obstructed air flow and reduced filtration efficiency. Summary of the Invention

[0005] In order to overcome the problems mentioned above, the present invention provides an adiabatic dust collector.

[0006] The technical implementation plan of the present invention is: an insulated dust collector, comprising a shell, the shell is a heat-insulating material, the shell is provided with an air inlet and a dust discharge unit, a control terminal and an exhaust unit are installed on the shell, a first support member and a second support member are fixedly connected in the shell, the first support member divides the interior of the shell into two chambers, and the first support member is located between the air inlet and the exhaust unit on the shell, a plurality of rotating frames are rotatably arranged between the first support member and the second support member, a filter element is fixedly connected to the outer side of the rotating frame, the rotating frame and the adjacent filter element form a single-opening cavity; a driving unit is installed on the first support member, and the driving unit is used to drive all the rotating frames and the filter elements to rotate.

[0007] More preferably, the plurality of rotating racks are equidistantly distributed in the circumferential direction, a circular hole is provided on the second support member, and the plurality of rotating racks are located outside the circular hole on the second support member.

[0008] More preferably, the minimum distance between adjacent filter elements is 15 mm.

[0009] More preferably, it further includes a plurality of expansion units, the number of the expansion units is the same as the number of the rotating frames, the expansion units are arranged on adjacent rotating frames, the expansion units are used to make adjacent filter elements into a taut state, the expansion units include a plurality of fixed rods equidistantly distributed circumferentially, the plurality of fixed rods are fixedly connected to adjacent rotating frames, the fixed rods are slidingly provided with a first sliding frame, a first elastic member is installed between the first sliding frame and the adjacent rotating frame, the plurality of first sliding frames equidistantly distributed circumferentially are located in the filter element, the first sliding frame is used to squeeze the adjacent filter element to deform the filter element into a taut state.

[0010] More preferably, a plurality of evenly distributed first fixing plates are fixed to the first sliding frame, the first fixing plates are made of elastic material, and are used to squeeze the adjacent filter elements.

[0011] More preferably, an adjustment unit is further included, which is arranged on the shell, and the adjustment unit is used to adjust the position of all the first sliding frames. The adjustment unit includes an electric push rod, which is installed on the shell, and the telescopic end of the electric push rod is fixedly connected to the second sliding frame, and the second sliding frame penetrates all the rotating frames and slides sealed therewith, and the second sliding frame is fixedly connected to a plurality of fixed blocks, and the fixed blocks are located in adjacent rotating frames, and the fixed blocks are provided with inclined surfaces, and the first sliding frame is fixedly connected to a connecting rod, and the connecting rod is in contact with the inclined surfaces of adjacent fixed blocks.

[0012] More preferably, it also includes a plurality of extrusion units, the number of the extrusion units is the same as the number of the rotating frames, the extrusion units are arranged on the first support member, the extrusion units are used to change the shape of adjacent filter elements, the extrusion units include a second fixed plate, the second fixed plate is fixedly connected to the first support member, the second fixed plate is limitedly slidingly provided with a third sliding frame, a second elastic member is installed between the third sliding frame and the adjacent second fixed plate, the third sliding frame is rotatably provided with a rotating rod, the rotating rod is fixed with a plurality of evenly distributed convex rings, and the convex rings on the rotating rod are used to squeeze adjacent filter elements.

[0013] More preferably, the plurality of protruding rings on the rotating rod and the plurality of first fixing plates on the adjacent first sliding frames are distributed alternately.

[0014] More preferably, the first support member is fixed with a fixing sleeve, the fixing sleeve is located outside the plurality of filter members, there is a gap between the fixing sleeve and the second support member, and the air inlet on the housing faces the fixing sleeve.

[0015] More preferably, the fixing sleeve is fixedly connected with a spiral plate, and the spiral plate is used to guide the gas to flow in a spiral manner on the outer side of the fixing sleeve.

[0016] Compared with the prior art, the present invention has the following advantages: the present invention rotates the filter element so that large particles of impurities on the filter element are temporarily separated under the centrifugal action, thereby extending the effective filtration time. At the same time, the separation of large particles facilitates the attachment of small impurities, and subsequent large particles of impurities attach again, greatly improving the utilization rate of the filter element; the annular arrangement of the filter element creates a relatively still air space, which is convenient for the sedimentation of impurities in the air; the operation of the electric push rod controls the movement of the first sliding frame, changes the spacing between adjacent filter elements, and facilitates the separation of impurities on the filter element, so that the device can complete the cleaning of impurities on the filter element without stopping the machine; the convex ring on the rotating rod squeezes the adjacent filter element, changes the shape of the filter element, and further accelerates the separation of impurities; the blocking of the fixed sleeve reduces the impact of large particles of impurities on the filter element, thereby reducing the wear of the filter element and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 2 is a cross-sectional view of the housing and the exhaust unit of the present invention;

[0019] Figure 3 is a cross-sectional view of the first support member and the second support member of the present invention;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the rotating frame and the first sliding frame of the present invention;

[0021] Figure 5 Schematic diagram of the three-dimensional structure of the second fixed plate and the third sliding frame of the present invention;

[0022] Figure 6 An exploded view of the filter element and the first sliding frame of the present invention;

[0023] Figure 7 It is a schematic diagram of the three-dimensional structure of the first sliding frame and the connecting rod of the present invention.

[0024] The components in the accompanying drawings are marked as follows: 1. Shell, 2. Control terminal, 3. Exhaust unit, 4. First support member, 5. Second support member, 6. Rotating frame, 7. Filter element, 8. Drive unit, 9. Fixed rod, 10. First sliding frame, 11. First elastic member, 12. First fixed plate, 13. Electric push rod, 14. Second sliding frame, 15. Fixed block, 16. Connecting rod, 17. Second fixed plate, 171. Second elastic member, 18. Third sliding frame, 19. Rotating rod, 20. Fixed sleeve, 21. Spiral plate. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0026] Example 1: A heat-insulating dust collector, such as Figures 1-4 As shown, it includes a shell 1, which is divided into three parts. The adjacent two parts are connected by bolts. The shell 1 is a heat-insulating material. The shell 1 can be set as a double-layer composite structure, and the interlayer is filled with aluminum silicate insulation cotton. The aluminum silicate insulation cotton is used to keep the equipment warm and prevent heat transfer, condensation and corrosion. The shell 1 is provided with an air inlet and an ash discharge unit. The ash discharge unit is used to discharge impurities accumulated at the bottom of the shell 1 in a closed manner during operation of the device. A control terminal 2 and an exhaust unit 3 are installed on the shell 1. The control terminal 2 is located at the upper part of the shell 1. The exhaust unit 3 consists of a drive fan and an air duct. The control terminal 2 is electrically connected to all electrical components. A first support member 4 and a second support member 5 are fixed in the shell 1. The first support member 4 is located above the second support member 5. The first support member 4 consists of two parts. A chamber is provided inside the first support member 4. The first support member 4 divides the interior of the shell 1 into two chambers, and the first support member 4 is located between the air inlet and the exhaust unit 3 on the shell 1. The first support member 4 rotates between the second support member 4 and the second support member 5. Twelve rotating racks 6 are provided, and filter elements 7 are fixedly connected to the outside of the rotating racks 6. The rotating racks 6 and adjacent filter elements 7 form a cavity with an upper end opening; a drive unit 8 is installed on the first support member 4. The drive unit 8 consists of a drive motor and a gear set. The drive motor is installed on the upper surface of the first support member 4, and the gear set is located in the cavity of the first support member 4. The drive unit 8 is used to drive all the rotating racks 6 and filter elements 7 to rotate, so as to facilitate the separation of some impurities attached to the filter elements 7 under the action of centrifugation, temporarily reduce the impurities attached to the filter elements 7, and ensure the air filtration efficiency of the device. A backflush unit is provided on the housing 1 (simplified in the accompanying drawings, this is the existing structure); the twelve rotating racks 6 are equidistantly distributed circumferentially, and a circular hole is provided in the middle of the second support member 5. The twelve rotating racks 6 are located outside the circular hole on the second support member 5, and the upper surface of the second support member 5 is provided with an arc-shaped inclined surface for guiding impurities into the circular hole on the second support member 5; the minimum spacing between adjacent filter elements 7 is 15 mm, and the middle parts of the twelve filter elements 7 form a cavity.

[0027] The working process of the dust collector in this embodiment is as follows:

[0028] Preparation:

[0029] Connect the ventilation duct of the factory building to the air inlet on the shell 1, and then connect the exhaust unit 3 to the outside of the factory building through the pipeline.

[0030] Filtering work:

[0031] First, the fan in the exhaust unit 3 is started through the control terminal 2. The exhaust unit 3 works to allow the air in the factory to enter the shell 1 through the ventilation duct. Then the air passes through the filter element 7 and enters the top of the first support member 4 from the middle of the rotating frame 6. In this process, the filter element 7 filters the dust and other impurities in the air. The filtered air blows the control terminal 2 to cool the control terminal 2. The filtered air is discharged from the exhaust unit 3. At the same time, the fresh air system in the factory draws fresh air into the factory to complete the air circulation in the factory and filter and remove impurities in the air.

[0032] During the air circulation process in the factory, the control terminal 2 simultaneously starts the drive motor in the drive unit 8. The drive unit 8 works to make all the rotating frames 6 rotate synchronously. The rotating frames 6 also drive the filter elements 7 to rotate. The rotation of the filter elements 7 causes the large particles of impurities attached to them to be separated under the centrifugal force. In this process, since the minimum spacing between adjacent filter elements 7 is 15 mm, the main air enters the rotating frame 6 through the outer side of the cylinder formed by the twelve filter elements 7. Even if the air in the middle chamber surrounded by the twelve filter elements 7 is in a relatively static state, during the rotation of the filter elements 7, the large particles of impurities that have been shaken off are located in the middle chamber. Under the action of the static air, the large particles of impurities gradually fall and pass through the circular holes on the second support member 5. Then, the large particles of impurities are deposited at the bottom of the shell 1. After a specified amount of impurities are accumulated at the bottom of the shell 1, the dust discharge unit is activated by the control terminal 2 to discharge the impurities accumulated in the shell 1. After the device has been working for a specified time, the exhaust unit 3 and the drive unit 8 are turned off by the control terminal 2, and then the backflushing unit is activated to clean all the filter elements 7 in all directions.

[0033] Example 2: Based on Example 1, Figure 3-Figure 6As shown, twelve groups of expansion units are also included. The expansion units are arranged on adjacent rotating frames 6. The expansion units are used to keep adjacent filter elements 7 in a tight state. The expansion units include six groups of fixed rods 9 distributed equidistantly in the circumferential direction (this number is the number shown in the figure, and the following numbers are all shown in the figure. The actual number can be adjusted according to needs). The number of fixed rods 9 in each group is two symmetrical in the upper and lower directions. All fixed rods 9 are fixed to adjacent rotating frames 6. Each group of fixed rods 9 is slidably provided with a first sliding frame 10. The first sliding frame 10 is installed between the adjacent rotating frame 6. There are two first elastic members 11, which are tension springs. The tension springs are always in a stretched state. Six first sliding frames 10 are located in the filter element 7. The first sliding frames 10 are used to squeeze adjacent filter elements 7. A plurality of evenly distributed first fixing plates 12 are fixed to the first sliding frames 10. The first fixing plates 12 are made of elastic material and are arc-shaped. The first sliding frames 10 drive adjacent first fixing plates 12 to move and squeeze adjacent filter elements 7, so that the filter elements 7 change from a relaxed state to a tight state. In the tight state, two adjacent filter elements 7 fit together.

[0034] The working process of this embodiment is similar to that of the first embodiment and is described in detail as follows:

[0035] During the air circulation process in the factory, under the stretching effect of the first elastic member 11, the first sliding frame 10 drives the adjacent first fixed plates 12 to squeeze the adjacent filter elements 7, so that the two adjacent filter elements 7 fit together. During the synchronous rotation of the twelve filter elements 7, the two adjacent filter elements 7 rub against each other, accelerating the separation of impurities attached to the filter elements 7. After separation, the impurities located in the central chamber surrounded by the twelve filter elements 7 fall down, and the above operation is repeated subsequently.

[0036] Example 3: Based on Example 2, Figure 3 and Figure 5-Figure 7 As shown, it also includes an adjustment unit, which is arranged on the shell 1 and is used to adjust the position of all the first sliding frames 10. The adjustment unit includes two symmetrically distributed electric push rods 13. The two electric push rods 13 are both installed on the inner surface of the shell 1. The telescopic ends of the two electric push rods 13 are commonly fixed to the second sliding frame 14. The second sliding frame 14 penetrates all the rotating frames 6 and slides sealed therewith. Twelve fixed blocks 15 are fixed to the upper surface of the second sliding frame 14. The fixed blocks 15 are located in adjacent rotating frames 6. The upper surface of the fixed blocks 15 is provided with an inclined surface. The first sliding frame 10 is fixed with a connecting rod 16. The lower surface of the connecting rod 16 is hemispherical, and the connecting rod 16 contacts the inclined surface of the adjacent fixed block 15.

[0037] The working process of this embodiment is similar to that of the second embodiment and is described in detail as follows:

[0038] During the air circulation process in the factory, the electric push rod 13 is started through the control terminal 2. The telescopic end of the electric push rod 13 drives the second sliding frame 14 and the twelve fixed blocks 15 to move. The fixed block 15 moves to squeeze the adjacent connecting rod 16, so that the connecting rod 16 drives the adjacent first sliding frame 10 to move. The movement of the first sliding frame 10 changes the degree of squeezing of the adjacent filter elements 7, thereby changing the distance between the two adjacent filter elements 7, controlling the amount of gas entering the middle chamber surrounded by the twelve filter elements 7, and facilitating the operator to select the distance between the two adjacent filter elements 7 according to the size of different particulate impurities in the air, so that the particulate impurities of corresponding sizes on the filter elements 7 fall and deposit in the middle chamber surrounded by the twelve filter elements 7.

[0039] Example 4: Based on Example 3, Figure 3 、 Figure 5 and Figure 6 As shown, it also includes twelve groups of extrusion units, which are arranged on the first support member 4 and are used to change the shape of adjacent filter elements 7. The extrusion units include a second fixed plate 17, which is fixed to the lower surface of the first support member 4. The second fixed plate 17 is limited and slidably provided with a third sliding frame 18. The third sliding frame 18 is directly opposite to the adjacent rotating frame 6. A second elastic member 171 is installed between the third sliding frame 18 and the adjacent second fixed plate 17. The second elastic member 171 is a tension spring, and the tension spring is in a stretched state. The third sliding frame 18 is rotatably provided with a rotating rod 19, and the rotating rod 19 is fixed with multiple evenly distributed convex rings. The convex rings on the rotating rod 19 are used to squeeze adjacent filter elements 7; the multiple convex rings on the rotating rod 19 are staggered with the multiple first fixed plates 12 on the adjacent first sliding frame 10, and the convex rings on the rotating rod 19 squeeze the adjacent filter elements 7. The filter element 7 is bent by the limiting action of the multiple convex rings on the rotating rod 19, so that impurities on the filter element 7 can be separated.

[0040] The working process of this embodiment is the same as that of embodiment 3, and is described in detail as follows:

[0041] During the rotation of the filter element 7, under the elastic action of the second elastic member 171, the third sliding frame 18 drives the adjacent rotating rod 19 to move toward the direction close to the adjacent filter element 7, so that the convex ring on the rotating rod 19 squeezes the adjacent filter element 7. Under the squeezing action of the convex ring on the rotating rod 19, the outer surface of the filter element 7 is bent. Under the bending action, the impurities compacted on the filter element 7 due to long-term work are broken and cracked, which facilitates the separation of the compacted impurities on the filter element 7.

[0042] Example 5: Based on Example 4, Figure 2 and Figure 3As shown, a fixing sleeve 20 is fixed to the lower surface of the first support member 4. The fixing sleeve 20 is located on the outside of the twelve filter elements 7. There is a gap between the fixing sleeve 20 and the second support member 5. The gas entering from the air inlet on the shell 1 blows the fixing sleeve 20. The fixing sleeve 20 guides the gas to flow downward to avoid the gas directly blowing the filter element 7, thereby reducing the impact force of large particles of impurities on the filter element 7; a spiral plate 21 is fixed to the outer surface of the fixing sleeve 20, and the spiral plate 21 is used to guide the gas to flow in a spiral on the outer side of the fixing sleeve 20.

[0043] The working process of this embodiment is the same as that of the fourth embodiment, and is described in detail as follows:

[0044] During the gas flow in the shell 1, the gas flows downward along the outer surface of the fixed sleeve 20. At the same time, under the guidance of the spiral plate 21, the flowing gas flows in a spiral flow. The spirally flowing gas blows the outer surface of the filter element 7, further accelerating the detachment of some impurities attached to the filter element 7, and extending the effective filtration time of the filter element 7.

[0045] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An adiabatic dust collector, characterized in that: The invention comprises a shell (1), wherein the shell (1) is made of heat-insulating material, the shell (1) is provided with an air inlet and an ash discharge unit, the shell (1) is mounted with a control terminal (2) and an exhaust unit (3), the shell (1) is fixed with a first support member (4) and a second support member (5), the shell (1) is fixed with a first support member (4) and a second support member (5), the first support member (4) divides the interior of the shell (1) into two chambers, and the first support member (4) is located between the air inlet on the shell (1) and the exhaust unit (3), a plurality of rotating frames (6) are rotatably arranged between the first support member (4) and the second support member (5), a filter member (7) is fixed to the outside of the rotating frame (6), and the rotating frame (6) and the adjacent filter member (7) form a single-opening cavity; A driving unit (8) is mounted on the first support member (4), and the driving unit (8) is used to drive all the rotating frames (6) and the filter members (7) to rotate; The plurality of rotating racks (6) are equidistantly distributed in the circumferential direction, a circular hole is provided on the second support member (5), and the plurality of rotating racks (6) are located outside the circular hole on the second support member (5); It also includes a plurality of expansion units, the number of the expansion units is the same as the number of the rotating frames (6), the expansion units are arranged on adjacent rotating frames (6), and the expansion units are used to make the adjacent filter elements (7) become taut, the expansion units include a plurality of fixed rods (9) equidistantly distributed in the circumferential direction, the plurality of fixed rods (9) are fixedly connected to the adjacent rotating frames (6), the fixed rods (9) are slidably provided with a first sliding frame (10), a first elastic member (11) is installed between the first sliding frame (10) and the adjacent rotating frame (6), the plurality of the first sliding frames (10) equidistantly distributed in the circumferential direction are located in the filter element (7), and the first sliding frame (10) is used to squeeze the adjacent filter element (7) so that the filter element (7) is deformed to a taut state; A plurality of evenly distributed first fixing plates (12) are fixed to the first sliding frame (10), the first fixing plates (12) being made of elastic material, and the first fixing plates (12) being used to squeeze adjacent filter elements (7); The invention also includes an adjustment unit, which is arranged on the housing (1) and is used to adjust the position of all the first sliding frames (10). The adjustment unit includes an electric push rod (13), which is installed on the housing (1). The telescopic end of the electric push rod (13) is fixedly connected to a second sliding frame (14). The second sliding frame (14) penetrates all the rotating frames (6) and slides sealed therewith. The second sliding frame (14) is fixedly connected to a plurality of fixed blocks (15). The fixed blocks (15) are located in adjacent rotating frames (6). The fixed blocks (15) are provided with inclined surfaces. The first sliding frame (10) is fixedly connected to a connecting rod (16), and the connecting rod (16) contacts the inclined surfaces of the adjacent fixed blocks (15).

2. The adiabatic dust collector according to claim 1, characterized in that: The invention also includes a plurality of extrusion units, the number of the extrusion units is the same as the number of the rotating frames (6), the extrusion units are arranged on the first support member (4), and the extrusion units are used to change the shape of the adjacent filter elements (7), and the extrusion units include a second fixed plate (17), the second fixed plate (17) is fixedly connected to the first support member (4), the second fixed plate (17) is provided with a third sliding frame (18) for limited sliding, a second elastic member (171) is installed between the third sliding frame (18) and the adjacent second fixed plate (17), and the third sliding frame (18) is rotatably provided with a rotating rod (19), the rotating rod (19) is fixedly connected with a plurality of evenly distributed convex rings, and the convex rings on the rotating rod (19) are used to squeeze the adjacent filter elements (7).

3. The adiabatic dust collector according to claim 2, characterized in that: The plurality of convex rings on the rotating rod (19) and the plurality of first fixing plates (12) on the adjacent first sliding frame (10) are distributed in an alternating manner.

4. The adiabatic dust collector according to claim 3, characterized in that: The first support member (4) is fixedly connected to a fixing sleeve (20), the fixing sleeve (20) being located outside the plurality of filter members (7), a gap being provided between the fixing sleeve (20) and the second support member (5), and an air inlet on the housing (1) facing the fixing sleeve (20).

5. The adiabatic dust collector according to claim 4, characterized in that: The fixing sleeve (20) is fixedly connected to a spiral plate (21), and the spiral plate (21) is used to guide the gas to flow in a spiral on the outer side of the fixing sleeve (20).

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