CN211913075U - Bag-type dust collector - Google Patents

Abstract

The utility model relates to a bag filter, belonging to the technical field of dust removal equipment. The utility model comprises a support frame, a dust removal box is fixed on the support frame, an air inlet is opened at the bottom end of one side of the dust removal box, and the other side of the dust removal box is provided with an air inlet. The top is provided with an air outlet, the air inlet is symmetrical with the plane where the air outlet is located, an ash hopper is connected to the bottom end of the dust removal box, a partition is arranged in the dust removal box, a fixed frame is fixed on the lower surface of the partition, and the outer wall of the fixed frame is sleeved with dust removal The cloth bag, the dust removal bag is communicated with the partition, a hitting device is arranged between the partition and the top of the dust removal box, and a blowing device is arranged in the dust removal bag. The utility model has the effects of removing the dust outside the bag and improving the working efficiency of the bag filter .

Description

A bag filter

technical field

The utility model relates to the technical field of dust removal equipment, in particular to a bag filter.

Background technique

The bag filter is a device for filtering particulate matter in the gas. The bag filter is suitable for capturing fine, dry, non-fibrous dust: the filter bag is made of woven filter cloth or non-woven felt, and the filtration of fiber fabrics is used. The dust-containing gas is filtered. When the dust-containing gas enters the bag filter, the dust with large particles and heavy specific gravity will settle down due to the action of gravity and fall into the ash hopper. When the gas containing finer dust passes through the filter material , the dust is retained and the gas is purified.

The existing Chinese patent with the publication number CN110559750A, which discloses a bag filter, includes a bag body, the top and bottom of the bag body are fixedly connected with a connecting cylinder and a counterweight cylinder respectively, and the counterweight cylinder is used for pulling On the bag body, a flat valve is installed on the counterweight cylinder. The diameter of the counterweight cylinder is equal to the diameter of the cloth bag body. The outside of the cloth bag body is provided with a pulling mechanism for removing rice. The cloth bag body can be expanded in the axial direction during use, and the tensioning member can pull the cloth bag body in the radial direction, so that the cloth bag body can be fully expanded.

The above-mentioned existing technical solutions have the following defects: in the above-mentioned technical solutions, during the dust removal process, particles with small diameters will adhere to the outside of the bag, and the resistance of the bag filter will increase. When the pressure difference between the inside and outside of the bag is large, the filter bag The fine particles on the upper pass through the cloth bag, which reduces the dust removal effect of the dust collector.

Utility model content

The purpose of the utility model is to provide a bag filter, which can remove the dust outside the bag and improve the working efficiency of the bag filter.

The above utility model purpose of the present utility model is achieved through the following technical solutions: a bag filter, including a support frame, a dust removal box is fixed on the support frame, and an air inlet is opened at the bottom end of one side of the dust removal box to remove dust. The top of the other side of the box is provided with an air outlet. The air inlet is symmetrical with the plane where the air outlet is located. The bottom end of the dust removal box is connected with an ash hopper. The outer wall is sleeved with a dust removal bag, the dust removal bag is communicated with the partition, a blowing device is arranged between the partition and the top of the dust removal box, and a blowing device is arranged in the dust removal bag.

By adopting the above technical solution, the dust that does not adhere to the outer wall of the bag filter after being used for a long time passes through the vibration generated by the striking device, and the dust is shaken off, and the nozzle device sprays gas at the same time. , the gas in the bag flows into the inner dust box, which can clean the dust adhering to the outer wall of the bag, and achieve the effect of improving the working efficiency of the bag filter.

The utility model is further configured as follows: the striking device includes a driving motor, the driving motor is fixed on the outer wall of the dust removal box, the output end of the driving motor is fixedly connected with a reciprocating mechanism, one end of the reciprocating mechanism is connected with the driving motor, and the other end is hinged with a sliding rod. The outer wall sliding sleeve is provided with a limit tube, the lower surface of the sliding rod is vertically fixed with a connecting rod, and the remaining end of the connecting rod is fixedly connected with a clapboard, the clapboard is located in the fixed frame, and the clapboard is parallel to the side wall of the fixed frame.

By adopting the above technical solutions, the driving motor provides power for the striking device, the reciprocating mechanism is arranged to realize the function of the clapboard moving in the fixed frame, and the arrangement of the limit tube can ensure that the sliding rod is only in the horizontal direction under the action of the reciprocating mechanism of the driving motor Moving, the clapper is parallel to the side wall, which increases the contact area between the clapper and the bag, increases the dust removal efficiency, and achieves the effect of improving the dust removal efficiency of the bag filter.

The utility model is further set as follows: the clapper is an inverted U-shaped plate structure.

By adopting the above technical solutions, the inverted U-shaped plate structure of the clapper can reduce the impact of the fixed frame on the striking device, increase the contact area between the clapper and the bag, improve the dust removal efficiency, reduce the dust adhered to the outside of the bag, and improve the bag filter. dust removal efficiency.

The utility model is further configured as follows: the blowing device comprises a fan and a hose, the hose is connected with a nozzle, the fan is fixed on the upper surface of the dust removal box, the nozzle is fixed on the side wall of the clapboard, the hose penetrates the clapboard, the nozzle is located inside the clapboard and The plane where the nozzle opening is located is parallel to the clapboard.

By adopting the above technical solution, when the pressure inside the bag is higher than the pressure inside the dust box by the gas ejected from the blowing device, the gas in the bag flows into the dust box, blowing off the dust adhering to the outer wall of the bag, and the setting of the hose can ensure The blowing device moves with the movement of the clapper.

The utility model is further arranged as follows: the reciprocating mechanism includes a first straight rod and a second straight rod, one end of the first straight rod is fixedly connected with the output end of the driving motor, the other end is hinged with the second straight rod, and the remaining end of the second straight rod is connected with the sliding The rod is hinged.

By adopting the above technical solution, the arrangement of the reciprocating mechanism can drive the straight rod to move, and the entire reciprocating structure includes two mutually hinged straight rods, which is simple in structure and convenient to use, and can achieve the effect of reciprocation at the same time, converting the circular motion output by the motor into linear motion .

The utility model is further configured as follows: the bottom end of the ash hopper is provided with a control valve, the control valve comprises a plug plate, the plug plate penetrates the ash hopper, one end of the plug plate is fixedly connected with a push rod, and the remaining end of the plug board is fixed with an anti-separation plate, and the push rod The remaining end is connected with a push plate, and the outer wall of the push rod is sleeved with a compression spring.

By adopting the above technical solution, the setting of the control valve increases the airtightness of the dust removal box. When in use, it is only necessary to push the push plate, and the insert plate is far away from the ash hopper. At this time, the push rod is located at the position of the insert plate, which can wake up the dust and clean it up. After completion, under the action of the compression spring, the insert plate is reset to complete the entire dust removal process.

The utility model is further arranged as follows: the push rod is a rectangular plate-like structure.

By adopting the above technical solution, the rectangular plate structure of the push plate can prevent the push rod from rotating when the control valve is used, and the push rod of the plate structure can prevent the situation that the insertion plate is not easy to reset due to the rotation of the push rod, reducing the need for workload of the staff.

The utility model is further arranged as follows: a collection box is arranged below the ash hopper.

By adopting the above technical solution, the arrangement of the collection box can facilitate the staff to collect dust, facilitate the staff to transfer the dust for processing, reduce the workload of the staff, and improve the work efficiency.

To sum up, the beneficial technical effects of the present utility model are:

1. The vibration generated by the hitting device will shake off the dust adhering to the outer wall of the cloth bag, and the blowing device will spray gas. When the air pressure in the cloth bag is greater than the air pressure in the cloth bag, the gas in the cloth bag will be blown to the outside of the cloth bag, and there will be no adhesion on the outer wall. The dust is blown off to remove the dust outside the bag and improve the working efficiency of the bag filter;

2. The setting of the control valve can adjust the dust discharge time, and at the same time, it can ensure the air pressure in the dust removal box, and the setting of the pressure spring can facilitate the reset of the insert plate and facilitate the use of the staff;

3. The setting of the collection box is convenient for the staff to clean up after transferring the dust.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the sectional view of the present utility model for the display clapboard;

FIG. 3 is a cross-sectional view showing the nozzle of the present invention.

In the figure, 1, support frame; 2, dust removal box; 21, air inlet; 22, air outlet; 23, partition plate; 24, fixed frame; 25, dust removal bag; 3, ash bucket; 4, hitting device; 41, drive motor; 42, reciprocating mechanism; 421, first straight rod; 422, second straight rod; 43, clapboard; 44, sliding rod; 45, connecting rod; 46, limit tube; 5, blowing device; 51, fan; 52, hose; 521, nozzle; 6, control valve; 61, insert plate; 62, push rod; 63, anti-off plate; 64, push plate; 65, compression spring;

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 and 2, it is a bag filter disclosed by the utility model, including a support frame 1, a dust removal box 2 is fixed at the top of the support frame 1, and an ash hopper 3 is fixedly connected to the bottom end of the dust removal box 2 for dust removal. A partition 23 is fixed inside the box body 2, and three fixed frames 24 are fixedly connected to the lower surface of the partition 23. The fixed frames 24 are all sleeved with a dust removal bag 25. The opening of the dust removal bag 25 is fixedly connected to the partition 23 and removes The cloth bag 25 is communicated with the partition 23, the bottom end of one side wall of the dust removal box 2 is provided with an air inlet, the top of the symmetrical side wall of the dust removal box 2 is provided with an air outlet, and a blower is arranged between the partition 23 and the dust removal box 2. Device 4, the dust removal bag 25 is fixed with a blowing device 5. When in use, the hitting device 4 hits the dust removal bag 25 to generate vibration, and the dust adhered to the outer wall of the dust removal bag 25 is cleaned up. The device 5 will eject gas. When the gas pressure in the dust removal bag 25 is greater than the dust removal pressure outside the dust removal bag 25, the gas flows from the dust removal bag 25 to the outside of the dust removal bag 25, and the dust adhering to the outer wall of the dust removal bag 25 is cleaned up. The dust adhering to the outer wall of the dust bag 25 can improve the dust removal efficiency of the bag filter.

2, the striking device 4 includes a drive motor 41 and a reciprocating mechanism 42, the reciprocating mechanism 42 includes a first straight rod 421 and a second straight rod 422, the driving motor 41 is fixedly connected with the first straight rod 421, and the width of the fixed frame 24 Wait for twice the length of the first straight rod 421, the remaining end of the first straight rod 421 is hinged with the second straight rod 422, the remaining end of the second straight rod 422 is hinged with a sliding rod 44, and the lower surface of the sliding rod 44 is vertically fixed with A number of connecting rods 45, the bottom end of the connecting rod 45 is fixed with a clapboard 43, the clapboard 43 is an inverted U-shaped plate structure, and one end of the sliding rod 44 away from the reciprocating mechanism 42 is fixed with a limit tube 46, and the limit tube 46 is slidably sleeved on the slide. The outer wall of the rod 44, the limit tube 46 and the reciprocating mechanism 42 are used together to convert the circular motion output by the driving motor 41 into a linear motion. When in use, the driving motor 41 is turned on, and the driving motor 41 drives the sliding rod 44 to slide back and forth, and the sliding rod 44 drives the clapboard. 43 slides in the fixed frame 24, and taps the side wall of the dust bag 25, and the generated vibration shakes off the dust, so as to achieve the effect of cleaning the dust bag 25.

2 and 3 , the blowing device 5 includes a fan 51 and a hose 52 , the side wall of the hose 52 is connected with a nozzle 521 , the fan 51 is fixedly connected to the upper surface of the dust removal box 2 , and the nozzle 521 is fixedly connected to the inner side of the clapboard 43 When in use, the fan 51 is turned on, and the wind generated by the fan 51 is ejected from the nozzle through the hose 52. When the pressure inside the dust bag 25 is greater than the pressure outside the dust bag 25, the wind flows from the dust bag 25 to the outside of the dust bag 25. The dust adhering to the outer wall of the dust-removing cloth bag 25 is blown off to achieve the effect of cleaning the dust-removing cloth bag 25 .

2, the bottom end of the ash hopper 3 is provided with a control valve 6, the control valve 6 includes a plug board 61, the plug board 61 penetrates the side wall of the ash hopper 3, one end of the plug board 61 is fixedly connected with a push rod 62, and the push rod 62 is a rectangular plate A push plate 64 is fixedly connected to the remaining end of the push rod 62 , a compression spring 65 is sleeved on the outer wall of the push rod 62 , and an anti-separation plate 63 is fixedly connected to the end of the insert plate 61 away from the push rod 62 . When in use, push the push plate 64, and the push rod 62 drives the insert plate 61 to move to the side away from the push plate 64, so that the dust in the ash hopper 3 can be removed. Drive the plug board 61 to reset, the control valve 6 is easy to use and convenient for the staff to operate.

Referring to FIG. 2 , a collection box 7 is arranged below the ash hopper 3 , and the collection box 7 is located directly under the ash hopper 3 . The arrangement of the collection box 7 can facilitate the operator to transfer and process the dust.

The implementation principle of this embodiment is: after the bag filter is used for a long time, a large amount of dust will adhere to the outer wall of the dust bag 25, and the adhered dust will affect the air permeability of the dust bag 25, which will cause the working efficiency of the bag filter to decrease. Turn on the motor and the blower 51 when the dust on the outside of the bag 25 is turned on. The motor and the reciprocating mechanism 42 can be used together to drive the sliding rod 44 to slide. The dust on the outer wall of the dust removal bag 25 is removed, and the wind generated by the fan 51 is transmitted to the nozzle 521 through the hose 52, and then ejected by the nozzle 521. At this time, the air pressure in the dust removal bag 25 will increase. When the pressure in the dust removal bag 25 is stronger than the dust removal When the pressure on the outside of the bag 25 is strong, the gas flows from the inside of the dust bag 25 to the outside, blowing off the dust on the outer wall of the dust bag 25 to achieve the effect of removing the dust on the outer wall of the dust bag 25 and improve the dust removal efficiency.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. A bag filter, comprising a support frame (1), a dust removal box (2) is fixed on the support frame (1), and an air inlet (21) is opened at the bottom end of one side of the dust removal box (2) for dust removal. The top of the other side of the box body (2) is provided with an air outlet (22), the air inlet (21) is symmetrical with the plane where the air outlet (22) is located, and an ash hopper (3) is communicated with the bottom end of the dust removal box body (2). A partition (23) is arranged in the body (2), a fixing frame (24) is fixed on the lower surface of the partition (23), and a dust-removing cloth bag (25) is sleeved on the outer wall of the fixing frame (24). The partition plate (23) is communicated, and is characterized in that a striking device (4) is arranged between the partition plate (23) and the top of the dust removal box (2), and a blowing device (5) is arranged in the dust removal bag (25). 2. A bag filter according to claim 1, characterized in that: the hitting device (4) comprises a drive motor (41), and the drive motor (41) is fixed on the outer wall of the dust removal box (2), The output end of the driving motor (41) is fixedly connected with a reciprocating mechanism (42), one end of the reciprocating mechanism (42) is connected with the driving motor (41), and the other end is hinged with a sliding rod (44), the outer wall of the sliding rod (44) sliding sleeve is provided with a limit The tube (46), the lower surface of the sliding rod (44) is vertically fixed with a connecting rod (45), the remaining end of the connecting rod (45) is fixedly connected with a clapboard (43), and the clapboard (43) is located in the fixing frame (24), And the clap plate (43) is parallel to the side wall of the fixing frame (24). 3. A bag filter according to claim 2, characterized in that: the flapper (43) is an inverted U-shaped plate structure. 4. A bag filter according to claim 1, characterized in that: the blowing device (5) comprises a fan (51) and a hose (52), and the hose (52) is connected with a nozzle (521) , the fan (51) is fixed on the upper surface of the dust removal box (2), the nozzle (521) is fixed on the side wall of the clapboard (43), the hose (52) runs through the clapboard (43), and the nozzle (521) is located on the clapboard (43) )internal. 5. The bag filter according to claim 2, wherein the reciprocating mechanism (42) comprises a first straight rod (421) and a second straight rod (422), and the first straight rod (421) One end is fixedly connected with the output end of the drive motor (41), the other end is hinged with the second straight rod (422), and the remaining end of the second straight rod (422) is hinged with the sliding rod (44). 6 . The bag filter according to claim 1 , wherein a control valve ( 6 ) is provided at the bottom end of the ash hopper ( 3 ), and the control valve ( 6 ) comprises a plug board ( 61 ), the plug board (61) penetrates through the ash hopper (3), one end of the insert plate (61) is fixedly connected with a push rod (62), the remaining end of the insert plate (61) is fixed with an anti-separation plate (63), and the remaining end of the push rod (62) is connected with A push plate (64) is provided, and a compression spring (65) is sleeved on the outer wall of the push rod (62). 7 . The bag filter according to claim 6 , wherein the push rod ( 62 ) has a rectangular plate-like structure. 8 . 8 . The bag filter according to claim 1 , wherein a collection box ( 7 ) is arranged below the ash hopper ( 3 ). 9 .

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