Coal-fired sub-chamber back-blowing bag-type dust collector

Abstract

The application provides a coal-fired sub-chamber back-blowing bag type dust removal device and relates to the technical field of dust removal devices.The device comprises a purification chamber, the side plate surface of the purification chamber is fixedly provided with an air inlet pipe, the lower end of the purification chamber is fixedly provided with a collection bin, the inside lower part of the purification chamber is provided with a connecting plate, and the top plate surface of the purification chamber is uniformly provided with through holes.In the application, the fan blades at the outer end of the rotating shaft can change the blowing direction of the airflow, the inner part of the hollow groove is provided with a ball, the ball also rolls in the hollow groove when the fixed box and the ring are swinging, the swinging amplitude of the ring is increased, the surface of the dust removal bag also vibrates, the dust at the outer end of the dust removal bag can fall down faster, and the problems that the bag is in a relatively static state when back-blowing dust removal is performed, some dust adheres to the outer edge of the bag and cannot fall down, and the dust at the bottom of the collection bin is difficult to be completely removed are solved.

Description

Technical Field

[0001] This invention relates to the field of dust removal equipment technology, and in particular to a coal-fired compartment reverse-flushing bag filter. Background Technology

[0002] The exhaust gas from thermal power plants contains a large amount of dust. Currently, electrostatic precipitators are used to filter this dust, but their filtration efficiency is relatively poor. Bag filters, on the other hand, can achieve a dust filtration efficiency of up to 99%, but reverse-jet bag filters still have some shortcomings during operation.

[0003] Referring to patent CN116492780B, a bag-type pulse back-flushing dust collector is disclosed, comprising a housing, a dust collection hopper fixedly connected to the bottom of the housing, a dust discharge assembly fixedly connected to the bottom of the dust collection hopper, a main connecting pipe fixedly connected to one side of the top of the housing, an air pipe fixedly connected to one end of the main connecting pipe, the air pipe being disposed inside the housing, and several shifting components fixedly installed at the bottom of the air pipe via a threaded structure, a nozzle fixedly connected to the bottom of the shifting assembly, a support plate provided at the bottom of the nozzle, several bag mounting holes penetrating the support plate, and several limiting components movably provided at the top edge of the bag mounting holes. The dust discharge assembly can quantitatively discharge the back-flushing dust, facilitating the collection of dust from the dust collector; the shifting components drive the nozzle to move, thereby allowing the nozzle to extend into the installed dust collector bag, so that when the nozzle performs pulse back-flushing, the dust collector bag can be blown comprehensively, improving the back-flushing dust collection effect.

[0004] Based on the above patent search and in conjunction with the current operation of baghouse dust collectors, the following two shortcomings of current baghouse dust collectors have been identified:

[0005] First, when the filter bag is subjected to reverse blowing dust removal, the direction of the airflow from the nozzle is fixed, and the filter bag is in a relatively static state. Some dust will stick to the outside of the filter bag and will not fall off, which will have an adverse effect on the subsequent dust filtration.

[0006] Secondly, when dust falls into the collection chamber, it is difficult to completely remove the dust at the bottom of the collection chamber. As a result, when the gas re-enters the purification chamber, the dust at the bottom of the collection chamber will be suspended in the air again, which is not conducive to the filtration of dust in the gas. Summary of the Invention

[0007] In view of this, the present invention provides a coal-fired compartment reverse-flushing bag filter. When the fan blades at the outer end of the rotating shaft rotate, the impact force of the airflow blowing on the surface of the ring and the fixed box is different. Therefore, the ring and the fixed box will swing. The fixed box has a slot inside, and there are ball bearings in the slot. So when the fixed box and the ring swing, the ball bearings will also roll in the slot, which will amplify the swing amplitude of the ring. When the ring swings, the surface of the dust collector bag will also vibrate. This allows the dust on the outer end of the dust collector bag to fall off more quickly. A compression spring is also installed at the lower end of the ring. Under the action of the compression spring, the vibration amplitude of the ring can be increased. Blades are fixedly installed on the outside of the drive shaft. The blades have a spiral structure and the outer end face of the blades is in contact with the inner end surface of the collection bin. When the drive motor drives the drive shaft and the blades to rotate, the spiral blades can push the dust inside the collection bin forward and discharge it from the discharge pipe.

[0008] The present invention provides the purpose and effect of a coal-fired compartment reverse-flushing bag filter, specifically including: a cleanroom;

[0009] An air inlet pipe is fixedly installed on the side panel surface of the purification chamber, and a collection chamber is fixedly installed at the lower end of the purification chamber. A connecting plate is installed at the lower part of the interior of the purification chamber. Through holes are evenly opened on the top panel surface of the purification chamber. An air inlet pipe is fixedly installed at the left end of the purification chamber. The gas to be filtered enters the interior of the purification chamber through the air inlet pipe. A dust collector bag is fixedly installed in the through hole at the top of the purification chamber. The top of the dust collector bag is connected to the exhaust chamber. The gas can enter the exhaust chamber through the dust collector bag. When the gas passes through the dust collector bag, the dust in the gas will adhere to the outer surface of the dust collector bag, which can filter the dust in the gas. After the gas is filtered, the primary air pipe is connected to an external fan. The gas can enter the interior of three secondary air pipes through the primary air pipe and be sprayed out from the nozzle at the lower end of the secondary air pipe. When the gas sprayed out of the nozzle passes through the dust collector bag, the gas blows from the inside to the outside, which can blow off the dust on the outside of the dust collector bag and make it fall into the collection chamber.

[0010] An exhaust chamber is fixedly installed on the upper surface of the cleanroom, and an exhaust pipe is fixedly installed on the side plate surface of the exhaust chamber.

[0011] A drive motor is fixedly mounted on the surface of the right side plate of the collection chamber. The front end of the drive motor is connected to a drive shaft, and the end of the drive shaft is rotatably connected to the left side plate of the collection chamber.

[0012] The dust collector bag has its lower end fixedly connected to the connecting plate, and its top end fixedly installed in the through hole on the surface of the cleanroom top plate. The top end of the dust collector bag is connected to the exhaust chamber. A vibration mechanism is installed inside the dust collector bag. After the dust collector bag has been used for a period of time, due to the effects of sieving, collision, retention, diffusion, and static electricity, a layer of dust accumulates on the surface of the dust collector bag. This layer of dust is called the primary layer. In subsequent movement, the primary layer becomes the main filtration layer of the filter material. Relying on the role of the primary layer, the filter material with larger mesh can also obtain higher filtration efficiency.

[0013] A primary air pipe is fixedly installed on the surface of the left side plate of the exhaust chamber. A secondary air pipe is fixedly installed on the front end face of the primary air pipe. The secondary air pipe is located inside the exhaust chamber. Spray pipes are evenly installed on the lower end surface of the secondary air pipe. The spray pipes are located directly above the dust collector bag.

[0014] The upper connecting ring is fixedly installed on the outside of the nozzle, and six fixing rods are fixedly installed on the lower end surface of the upper connecting ring in a ring structure.

[0015] Furthermore, the upper part of the collection bin is inclined, and the lower part of the collection bin is a hollow cylindrical structure. A discharge pipe is fixedly installed on the left side of the lower end face of the collection bin.

[0016] Furthermore, blades are fixedly mounted on the outside of the drive shaft. The blade body has a spiral structure, and the outer end face of the blade is in contact with the inner end face of the collection chamber.

[0017] Furthermore, the oscillation mechanism includes: a compression spring located inside the dust collector bag, with the lowest compression spring fixedly installed on the bottom surface of the dust collector bag; and a ring located inside the dust collector bag, directly above the compression spring, and fixedly connected to the compression spring.

[0018] Furthermore, the oscillation mechanism also includes: a fixing box, which is located inside the dust collector bag and is fixedly installed on the upper surface of the ring. The fixing box has an annular groove inside, and a ball bearing is placed inside the groove.

[0019] Furthermore, the number of balls inside the empty groove is four, and the diameter of the balls is the same as the width of the empty groove.

[0020] Furthermore, a lower connecting ring is fixedly installed at the lower end of the fixing rod, and the lower connecting ring has the same structure as the upper connecting ring.

[0021] Furthermore, a rotating shaft is installed inside the lower connecting ring, and six fan blades are installed in a ring shape on the outside of the rotating shaft. The two ends of the rotating shaft are rotatably connected to the lower connecting ring.

[0022] Furthermore, the rotating shaft and fan blades are located directly below the nozzle, and are located inside the dust collector bag.

[0023] Furthermore, two sets of support legs are fixedly installed at the lower end of the collection chamber. The upper end of the support legs is divided into an inclined structure, and the lower end of the support legs is divided into a rectangular plate structure. Mounting holes are opened on the lower surface of the support legs.

[0024] This invention provides a coal-fired compartment reverse-flushing bag filter, which has the following advantages:

[0025] In this invention, a dust collector bag is fixedly installed in the through hole at the top of the cleanroom. The top of the dust collector bag is connected to the exhaust chamber, allowing gas to enter the exhaust chamber through the dust collector bag. As the gas passes through the dust collector bag, dust particles in the gas adhere to the outer surface of the dust collector bag, thus filtering the dust particles in the gas. After filtration, a fan is connected to the primary air pipe, allowing the gas to enter the interior of three secondary air pipes and be ejected from the nozzles at the lower end of the secondary air pipes. When the gas ejected from the nozzles passes through the dust collector bag, the gas blows from the inside out, blowing away the dust on the outside of the dust collector bag and causing it to fall into the collection chamber.

[0026] In addition, the nozzle is located directly above the dust collector bag. An upper connecting ring is fixedly installed on the outside of the nozzle, and six fixed rods are fixedly installed between the upper and lower connecting rings. A rotating shaft is rotatably connected inside the lower connecting ring, and six fan blades are installed in a ring shape on the outside of the rotating shaft. When the nozzle sprays air outward, the gas can be blown towards the fan blades. At this time, the fan blades can drive the rotating shaft to rotate, thereby changing the direction of gas flow and allowing the gas to be blown at an angle towards the surface of the dust collector bag and the ring.

[0027] Furthermore, the rotating mechanism inside the lower connecting ring causes the airflow impacting the ring and the fixed box surface to be different when the fan blades at the outer end of the shaft rotate. This results in a swaying phenomenon between the ring and the fixed box. The fixed box has a slot with ball bearings inside. As the ring and the fixed box sway, the ball bearings also roll inside the slot, which intensifies the swaying amplitude of the ring. When the ring sways, the surface of the dust collector bag also vibrates, allowing the dust on the outer end of the dust collector bag to fall off more quickly. A compression spring is also installed at the lower end of the ring, which further increases the vibration amplitude of the ring under the action of the spring force.

[0028] In addition, the gas blown out by the nozzle blows the dust from the outer end of the dust collector bag into the collection chamber. The upper part of the collection chamber is inclined, allowing the dust to continue to slide down to the bottom of the collection chamber. A drive motor is fixedly installed on the right end surface of the collection chamber. The front end of the drive motor drives a drive shaft. Blades are fixedly installed on the outside of the drive shaft. The blades are spiral in shape, and the outer end face of the blades is in contact with the inner end surface of the collection chamber. When the drive motor drives the drive shaft and the blades to rotate, the spiral blades can push the dust inside the collection chamber forward and discharge it from the discharge pipe. Attached Figure Description

[0029] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0030] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0031] In the attached diagram:

[0032] Figure 1 This is a schematic diagram of the overall device structure of the present invention;

[0033] Figure 2 This is a schematic diagram of the purification chamber, collection chamber, and exhaust chamber of the present invention;

[0034] Figure 3 This is a schematic diagram of the internal structure of the purification room device of the present invention;

[0035] Figure 4 This is a schematic diagram of the structure of the secondary air pipe, nozzle, and dust collector bag of the present invention;

[0036] Figure 5 This is a schematic diagram of the internal structure of the dust collector bag of the present invention;

[0037] Figure 6 This is the present invention. Figure 5 A magnified view of the structure at point A in the middle;

[0038] Figure 7 This is a schematic diagram of the connection structure between the blade and the drive shaft of the present invention;

[0039] Figure 8 This is a schematic diagram of the connecting ring, fixing rod, and the following connecting ring structure of the present invention;

[0040] Figure 9 This is a schematic diagram of the compression spring and ring structure of the present invention.

[0041] List of reference numerals in the attached diagram:

[0042] 1. Cleanroom; 101. Inlet pipe; 102. Collection bin; 1021. Support leg; 1022. Discharge pipe; 103. Connecting plate; 2. Exhaust chamber; 201. Exhaust pipe; 3. Drive motor; 301. Drive shaft; 3011. Blade; 4. Dust collector bag; 5. Compression spring; 6. Ring; 601. Fixing box; 6011. Empty slot; 7. Ball bearing; 8. Primary air pipe; 801. Secondary air pipe; 8011. Spray nozzle; 9. Upper connecting ring; 901. Fixing rod; 10. Lower connecting ring; 11. Rotating shaft; 1101. Fan blade. Detailed Implementation

[0043] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention.

[0044] Example 1: Please refer to Figures 1 to 9 As shown:

[0045] This invention provides a coal-fired compartment reverse-flushing bag filter, comprising a purification chamber 1;

[0046] An air inlet pipe 101 is fixedly installed on the side panel surface of the purification chamber 1. A collection chamber 102 is fixedly installed at the lower end of the purification chamber 1. A connecting plate 103 is installed at the lower part of the interior of the purification chamber 1. The main body of the connecting plate 103 is a long strip structure. The two ends of the connecting plate 103 are fixedly connected to the side panels at both ends of the purification chamber 1, and the upper end of the connecting plate 103 is fixedly connected to the lower end of the dust collector bag 4. This can improve the stability of the dust collector bag 4 and improve the dust purification effect. The top plate surface of the purification chamber 1 is uniformly provided with through holes.

[0047] Exhaust chamber 2 is fixedly installed on the upper end face of the purification chamber 1. Exhaust pipe 201 is fixedly installed on the side plate surface of exhaust chamber 2. After purification, clean gas will enter the interior of exhaust chamber 2 from the purification chamber 1 and then be discharged into the atmosphere through exhaust pipe 201.

[0048] The drive motor 3 is fixedly installed on the surface of the right side plate of the collection chamber 102. The front end of the drive motor 3 is connected to the drive shaft 301, and the end of the drive shaft 301 is rotatably connected to the left side plate of the collection chamber 102.

[0049] Dust collector bag 4, the lower end of dust collector bag 4 is fixedly connected to connecting plate 103, the top end of dust collector bag 4 is fixedly installed in the through hole on the surface of the top plate of clean room 1, the top end of dust collector bag 4 is connected to exhaust chamber 2, and a vibration mechanism is installed inside dust collector bag 4.

[0050] A primary air pipe 8 is fixedly installed on the left side plate of the exhaust chamber 2. A secondary air pipe 801 is fixedly installed on the front end of the primary air pipe 8. The secondary air pipe 801 is located inside the exhaust chamber 2. A nozzle 8011 is evenly installed on the lower end surface of the secondary air pipe 801. The nozzle 8011 is located directly above the dust collector bag 4. The primary air pipe 8 can be connected to a fan. After the fan is started, gas can enter the primary air pipe 8. Three secondary air pipes 801 are fixedly installed at the front end of the primary air pipe 8. The gas inside the primary air pipe 8 can enter the secondary air pipes 801 and be sprayed out from the nozzle 8011 at the lower end of the secondary air pipe 801. The nozzle 8011 is located directly above the dust collector bag 4, so that the gas sprayed out by the nozzle 8011 can enter the dust collector bag 4 to clean the dust on the outside of the dust collector bag 4.

[0051] The upper connecting ring 9 is fixedly installed on the outside of the nozzle 8011. Six fixing rods 901 are fixedly installed on the lower surface of the upper connecting ring 9, and the six fixing rods 901 are arranged in a ring structure.

[0052] The technical effects achieved by adopting the above scheme are as follows: An air inlet pipe 101 is fixedly installed at the left end of the purification chamber 1. The gas to be filtered enters the interior of the purification chamber 1 through the air inlet pipe 101. A dust collector bag 4 is fixedly installed in the through hole at the top of the purification chamber 1. The top of the dust collector bag 4 is connected to the exhaust chamber 2. The gas can enter the interior of the exhaust chamber 2 through the dust collector bag 4. When the gas passes through the dust collector bag 4, the dust in the gas will adhere to the outer surface of the dust collector bag 4, which can filter the dust in the gas. After the gas is filtered, the primary air pipe 8 is connected to an external fan. The gas can enter the interior of the three secondary air pipes 801 through the primary air pipe 8 and be sprayed out from the nozzle 8011 at the lower end of the secondary air pipe 801. When the gas sprayed out by the nozzle 8011 passes through the dust collector bag 4, the gas blows from the inside to the outside, which can blow away the dust on the outside of the dust collector bag 4 and make it fall into the collection chamber 102.

[0053] The oscillation mechanism includes: a compression spring 5, which is located inside the dust collector bag 4, with the lowest compression spring 5 fixedly installed on the bottom surface of the dust collector bag 4; a ring 6, which is located inside the dust collector bag 4 and directly above the compression spring 5, and is fixedly connected to the compression spring 5; and a fixing box 601, which is located inside the dust collector bag 4 and fixedly installed on the upper surface of the ring 6, with an annular groove 6011 inside the fixing box 601, and a ball bearing 7 placed inside the groove 6011.

[0054] The technical effects achieved by adopting the above scheme are as follows: When the gas is ejected from the nozzle 8011, it impacts the surfaces of the ring 6 and the fixed box 601. When the fan blade 1101 at the outer end of the rotating shaft 11 rotates, the impact force of the airflow on the surfaces of the ring 6 and the fixed box 601 is different. Therefore, the ring 6 and the fixed box 601 will swing. The fixed box 601 has a slot 6011 inside, and the slot 6011 has a ball bearing 7 inside. Therefore, when the fixed box 601 and the ring 6 swing, the ball bearing 7 will also roll inside the slot 6011, which will amplify the swing amplitude of the ring 6. When the ring 6 swings, the surface of the dust collector bag 4 will also vibrate. This allows the dust on the outer end of the dust collector bag 4 to fall off more quickly. The lower end of the ring 6 is also equipped with a compression spring 5. Under the action of the elastic force of the compression spring 5, the vibration amplitude of the ring 6 can be increased.

[0055] The groove 6011 contains four balls 7, the diameter of which is the same as the width of the groove 6011. During use, the outer end face of the ball 7 is in contact with the inner end face of the groove 6011, so that the ball 7 will only move along the groove 6011 in a curved path. During this process, the ball 7 is always in contact with the inner wall of the groove 6011, so that the ball 7 will not collide with the groove 6011.

[0056] The lower end of the fixed rod 901 is fixedly installed with a lower connecting ring 10. The lower connecting ring 10 has the same structure as the upper connecting ring 9. The lower connecting ring 10 has a rotating shaft 11 installed inside. The rotating shaft 11 has six fan blades 1101 installed in a ring shape on the outside. The two ends of the rotating shaft 11 are rotatably connected to the lower connecting ring 10. The rotating shaft 11 and the fan blades 1101 are located directly below the nozzle 8011 and inside the dust collector bag 4.

[0057] The technical effect achieved by adopting the above scheme is as follows: the nozzle 8011 is located directly above the dust collector bag 4. An upper connecting ring 9 is fixedly installed on the outside of the nozzle 8011. Six fixing rods 901 are fixedly installed between the upper connecting ring 9 and the lower connecting ring 10. A rotating shaft 11 is rotatably connected inside the lower connecting ring 10. Six fan blades 1101 are installed in a ring shape on the outside of the rotating shaft 11. When the nozzle 8011 sprays gas outward, the gas can be blown towards the fan blades 1101. At this time, the fan blades 1101 can drive the rotating shaft 11 to rotate, thereby changing the direction of gas flow and allowing the gas to be blown at an angle towards the surface of the dust collector bag 4 and the ring 6.

[0058] Example 2: This invention provides a coal-fired compartment reverse-flushing bag filter, based on Example 1, such as... Figures 1-9As shown, it also includes: the upper part of the collection bin 102 is inclined, the lower part of the collection bin 102 is a hollow cylindrical structure, a discharge pipe 1022 is fixedly installed on the left side of the lower end face of the collection bin 102, two sets of support legs 1021 are fixedly installed at the lower end of the collection bin 102, the upper part of the support leg 1021 is inclined, the lower part of the support leg 1021 is a rectangular plate structure, the lower end surface of the support leg 1021 is provided with mounting holes, and a blade 3011 is fixedly installed on the outside of the drive shaft 301. The blade 3011 has a spiral structure, and the outer end face of the blade 3011 is in contact with the inner end face of the collection bin 102.

[0059] The technical effect achieved by adopting the above solution is as follows: the gas blown out by the nozzle 8011 blows the dust from the outer end of the dust collector bag 4 into the collection chamber 102. The upper part of the collection chamber 102 has an inclined structure, which allows the dust to continue to slide down to the bottom of the collection chamber 102. A drive motor 3 is fixedly installed on the right end surface of the collection chamber 102. The front end of the drive motor 3 drives the drive shaft 301. A blade 3011 is fixedly installed on the outside of the drive shaft 301. The blade 3011 has a spiral structure, and the outer end face of the blade 3011 is in contact with the inner end surface of the collection chamber 102. When the drive motor 3 drives the drive shaft 301 and the blade 3011 to rotate, the spiral blade 3011 can push the dust inside the collection chamber 102 forward and discharge it from the discharge pipe 1022.

[0060] Example 2: This invention provides a coal-fired compartment reverse-flushing bag filter, based on Example 1, such as... Figures 1-9 As shown: Two sets of support legs 1021 are fixedly installed on the lower surface of the collection chamber 102. When the purification chamber 1 filters the gas, the purification chamber 1 and the collection chamber 102 will shake due to the large impact force of the gas. In actual operation, the number of support legs 1021 can be increased, for example, from two sets to three sets, which improves the support capacity for the purification chamber 1 and the collection chamber 102. At the same time, a mounting hole is opened in the middle of the lower surface of the support leg 1021. The worker can pass the screw through the mounting hole and wed it into the ground to fix the support leg 1021. The worker can also open more mounting holes in the lower part of the support leg 1021, so that more screws can be passed through the mounting holes, which can improve the stability of the support leg 1021 on the ground.

[0061] The specific usage and function of this embodiment: In this invention, an air inlet pipe 101 is fixedly installed at the left end of the purification chamber 1. The gas to be filtered enters the interior of the purification chamber 1 through the air inlet pipe 101. A dust collector bag 4 is fixedly installed in the through hole at the top of the purification chamber 1. The top of the dust collector bag 4 is connected to the exhaust chamber 2, allowing the gas to enter the interior of the exhaust chamber 2 through the dust collector bag 4. When the gas passes through the dust collector bag 4, the dust in the gas will adhere to the outer surface of the dust collector bag 4, thus filtering the dust in the gas. After the gas is filtered, a fan is connected to the primary air pipe 8, and the gas can enter the interior of three secondary air pipes 801 through the primary air pipe 8 and be ejected from the nozzle 8011 at the lower end of the secondary air pipe 801. When the gas passes through the dust collector bag 4, it blows outwards, removing dust from the outside of the bag and causing it to fall into the collection chamber 102. The nozzle 8011 is located directly above the dust collector bag 4. An upper connecting ring 9 is fixedly installed on the outside of the nozzle 8011. Six fixing rods 901 are fixedly installed between the upper connecting ring 9 and the lower connecting ring 10. A rotating shaft 11 is rotatably connected inside the lower connecting ring 10. Six fan blades 1101 are installed in a ring shape on the outside of the rotating shaft 11. When the nozzle 8011 sprays gas outwards, the gas blows towards the fan blades 1101, causing the fan blades 1101 to rotate the rotating shaft 11. This changes the direction of gas flow, allowing the gas to be blown at an angle towards the dust collector bag 4 and the ring 6. When gas is ejected from the nozzle 8011, it impacts the surfaces of the ring 6 and the fixed box 601. As the fan blades 1101 at the outer end of the rotating shaft 11 rotate, the impact force of the airflow on the surfaces of the ring 6 and the fixed box 601 is different, causing the ring 6 and the fixed box 601 to sway. The fixed box 601 has an internal slot 6011 containing ball bearings 7. When the fixed box 601 and the ring 6 sway, the ball bearings 7 also roll within the slot 6011, further amplifying the swaying amplitude of the ring 6. This swaying of the ring 6 also causes vibration on the surface of the dust collector bag 4, allowing the dust on the outer end of the dust collector bag 4 to fall off more quickly. Meanwhile, the ring 6... A compression spring 5 is also installed at the lower end. Under the action of the spring force of the compression spring 5, the vibration amplitude of the ring 6 can be increased. The gas blown out by the nozzle 8011 blows the dust on the outer end of the dust collector bag 4 into the collection chamber 102. The upper part of the collection chamber 102 has an inclined structure, so that the dust can continue to slide down to the bottom of the collection chamber 102. A drive motor 3 is fixedly installed on the right end surface of the collection chamber 102. The front end of the drive motor 3 drives the drive shaft 301. A blade 3011 is fixedly installed on the outside of the drive shaft 301. The blade 3011 has a spiral structure, and the outer end face of the blade 3011 is in contact with the inner end surface of the collection chamber 102. When the drive motor 3 drives the drive shaft 301 and the blade 3011 to rotate,The spiral blades 3011 push the dust inside the collection chamber 102 forward and discharge it through the discharge pipe 1022. During installation of the purification chamber 1 and the collection chamber 102, two sets of support legs 1021 are fixedly installed on the lower surface of the collection chamber 102. The support legs 1021 support both the purification chamber 1 and the collection chamber 102. Simultaneously, a mounting hole is provided in the middle of the lower surface of the support leg 1021, allowing workers to pass screws through the mounting hole and wed them into the ground to secure the support leg 1021. This improves the stability of the device and prevents excessive shaking.

Claims

1. A coal-fired sub-chamber back-blowing bag-type dust collector, characterized in that, Include: The purification chamber (1), the side plate surface of the purification chamber (1) is fixedly installed with the air inlet pipe (101), the lower end of the purification chamber (1) is fixedly installed with the collection bin (102), the inside lower position of the purification chamber (1) is installed with the connecting plate (103), the top plate surface of the purification chamber (1) is evenly provided with the through hole;The exhaust chamber (2) is fixedly installed on the upper end surface of the purification chamber (1), and the exhaust pipe (201) is fixedly installed on the side plate surface of the exhaust chamber (2);The drive motor (3) is fixedly installed on the right end side plate surface of the collection bin (102), the front end of the drive motor (3) is transmissionally connected with the drive shaft (301), and the tail end of the drive shaft (301) is rotationally connected with the left end side plate of the collection bin (102);The dust cloth bag (4) is fixedly connected with the connecting plate (103), the top end of the dust cloth bag (4) is fixedly installed in the through hole on the top plate surface of the purification chamber (1), the top end of the dust cloth bag (4) is communicated with the exhaust chamber (2), and the inside of the dust cloth bag (4) is provided with a shock mechanism, the shock mechanism comprises: the compression spring (5) is located in the inside of the dust cloth bag (4), and the lowermost compression spring (5) is fixedly installed on the bottom end surface of the dust cloth bag (4);The circular ring (6) is located in the inside of the dust cloth bag (4), the circular ring (6) is located above the compression spring (5), the circular ring (6) is fixedly connected with the compression spring (5), the fixed box (601) is located in the inside of the dust cloth bag (4), the fixed box (601) is fixedly installed on the upper end surface of the circular ring (6), the inside of the fixed box (601) is provided with annular air slot (6011), and the inside of the air slot (6011) is placed with the ball (7);The first air pipe (8) is fixedly installed on the left end side plate surface of the exhaust chamber (2), the front end surface of the first air pipe (8) is fixedly installed with the second air pipe (801), the second air pipe (801) is located in the inside of the exhaust chamber (2), the lower end surface of the second air pipe (801) is evenly installed with the spray pipe (8011), and the spray pipe (8011) is located above the dust cloth bag (4);The upper connecting ring (9) is fixedly installed outside the spray pipe (8011), the lower end surface of the upper connecting ring (9) is fixedly installed with six fixed rods (901), the lower end of the fixed rod (901) is fixedly installed with the lower connecting ring (10), the lower connecting ring (10) is same with the upper connecting ring (9) structure, six fixed rods (901) are arranged in ring structure, the inside of the lower connecting ring (10) is installed with the rotating shaft (11), the outside of the rotating shaft (11) is annularly installed with six fan blades (1101), the both ends of the rotating shaft (11) are rotationally connected with the lower connecting ring (10), the rotating shaft (11) and the fan blade (1101) are located below the spray pipe (8011), and the rotating shaft (11) and the fan blade (1101) are located in the inside of the dust cloth bag (4).

2. The coal-fired sub-chamber back-blowing bag-type dust collector according to claim 1, characterized in that: The upper end part of the collecting bin (102) is in an inclined structure, the lower end part of the collecting bin (102) is in a hollow cylindrical structure, and the left side of the lower end surface of the collecting bin (102) is fixedly provided with a discharging pipe (1022).

3. The coal-fired sub-chamber back-blowing bag-type dust collector according to claim 1, characterized in that: The outer part of the driving shaft (301) is fixedly provided with a blade (3011), the main body of the blade (3011) is in a spiral structure, and the outer end surface of the blade (3011) is attached to the inner end surface of the collecting bin (102).

4. The coal-fired sub-chamber back-blowing bag-type dust collector according to claim 1, characterized in that: The number of the rolling balls (7) in the hollow groove (6011) is four, and the diameter of the rolling ball (7) is the same as the width of the hollow groove (6011).

5. The coal-fired sub-chamber back-pulsing baghouse of claim 1, wherein: The lower end of the collecting bin (102) is fixedly provided with two groups of supporting legs (1021), the upper end part of the supporting leg (1021) is in an inclined structure, the lower end part of the supporting leg (1021) is in a rectangular plate structure, and the lower end surface of the supporting leg (1021) is provided with a mounting hole.

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