High-efficiency electrostatic-fabric composite dust collector

Abstract

The invention provides an efficient electrostatic fabric filter. The high-efficiency electrostatic-fabric composite dust collector comprises: a mounting chassis; the cushioning assembly is mounted at the top of the mounting bottom frame, a frame body is mounted at the top of the cushioning assembly, a fixing frame is mounted at the top of the frame body, a plurality of second sealing rings are mounted at the top of the fixing frame, and a second mounting ring is mounted at the top of each second sealing ring through a second mounting bolt; a bag cage is mounted at the bottom of each second mounting ring, and an air injection assembly is mounted at the top of each second mounting ring. According to the high-efficiency electrostatic-fabric composite dust collector provided by the invention, an independent dual-sealing structure is adopted through the design, independent dual sealing of the bag cage, the cloth bag and the fixing frame is realized, the sealing effect is improved, the sealing pressing ring is matched with the first sealing ring to realize occlusion type sealing, short-circuit emission of unfiltered flue gas is reduced, the dust collection efficiency is improved, and the service life of the dust collector is prolonged. And the service life of the cloth bag is prolonged.

Description

Technical Field

[0001] This invention relates to the field of electrostatic precipitator-baghouse hybrid dust collector technology, and more particularly to a high-efficiency electrostatic precipitator-baghouse hybrid dust collector. Background Technology

[0002] The electrostatic precipitator-bag filter hybrid dust collector is a high-efficiency device that combines electrostatic precipitator and bag filter technologies. It first charges and initially collects the dust particles using an electric field, then allows the remaining dust to pass through filter bags for further filtration. This combined design leverages the advantages of electrostatic precipitators in handling large particles while utilizing bag filters to capture fine dust, resulting in high dust removal efficiency, strong adaptability, and stable operation. It is widely used in industrial flue gas purification.

[0003] The electrostatic precipitator-baghouse hybrid dust collector mainly consists of an electrostatic precipitator zone, a baghouse dust collection zone, a dust hopper, and a control system. Its working principle is as follows: first, dust particles are charged and adsorbed onto the electrodes in the electrostatic precipitator zone for preliminary purification. Then, the dust-laden gas enters the baghouse dust collection zone, where fine dust particles are intercepted and captured by the filter bags, achieving deep purification. The purified gas is discharged by an induced draft fan, and the collected dust falls into the dust hopper for periodic cleaning. This combined design fully leverages the advantages of both dust removal technologies, featuring high dust removal efficiency, a wide air volume handling range, and stable and reliable operation.

[0004] The existing electrostatic precipitator-bag filter uses a single sealing method for the filter bags and tube sheet. During long-term operation, the filter bags are easily affected by flue gas temperature fluctuations, jet impact, and filter bag deformation, which can lead to increased sealing gaps, resulting in air and dust leakage, and thus affecting dust removal efficiency and filter bag lifespan.

[0005] Therefore, it is necessary to provide a high-efficiency electrostatic precipitator / bag filter hybrid dust collector to solve the above-mentioned technical problems. Summary of the Invention

[0006] This invention provides a high-efficiency electrostatic precipitator-baghouse hybrid dust collector, which solves the problem of easy failure of the seal between the filter bag and the tube sheet in existing electrostatic precipitator-baghouse hybrid dust collectors, resulting in air and dust leakage that affects dust removal efficiency and filter bag lifespan.

[0007] To solve the above-mentioned technical problems, the high-efficiency electrostatic precipitator / bag filter provided by the present invention includes: a mounting base;

[0008] A shock-absorbing assembly is mounted on top of a mounting base. A frame is mounted on top of the shock-absorbing assembly, and a fixing frame is mounted on top of the frame. Multiple second sealing rings are mounted on top of the fixing frame. A second mounting ring is mounted on top of each second sealing ring via a second mounting bolt. A bag cage is mounted on bottom of each second mounting ring. An air jet assembly is mounted on top of each set of second mounting rings. Multiple first docking rings are mounted on bottom of the fixing frame. A first sealing ring is mounted on bottom of each first docking ring via a first mounting bolt. A cloth bag is mounted on bottom of each first mounting ring. A sealing pressure ring is installed between the first mounting ring and the first sealing ring.

[0009] An electrostatic dust removal device is installed inside a frame near one side. An airflow exhaust hood is installed on the top of the frame, an air supply assembly is installed on the back of the frame, and a dust collection assembly is installed on the bottom of the frame.

[0010] The top of the fixing frame has multiple holes at equal intervals to facilitate the installation of the bag cage. The second sealing ring is located between the second mounting ring and the fixing frame. The second mounting bolt does not need to penetrate the second sealing ring. The bag cage is inserted into the inside of the frame. Each vertical row of the second mounting rings forms a group. The cloth bag is covered on the outer surface of the bag cage. The cloth bag is installed inside the first mounting ring by snap-fit ​​or bolts with a sealing structure.

[0011] Preferably, a control box with a door is installed on the front of the frame, and an operation panel is installed on the front of the frame.

[0012] Preferably, the mounting base includes a base plate, a mounting structure, and an adjustment structure, wherein the mounting structure is used to mount the adjustment structure to the bottom of the base plate;

[0013] The threaded connection of the mounting and adjusting structure allows for adjustment of the stability of the base plate as needed.

[0014] Preferably, the shock-absorbing assembly includes two mounting plates and a shock-absorbing component, wherein the two mounting plates are used to install the shock-absorbing component between the mounting base and the frame.

[0015] Preferably, the air supply assembly includes an air supply device, an air supply pipe, and a diverter pipe. The air supply pipe is installed at the outlet of the air supply device, and the diverter pipe is used to connect multiple sets of jet components and the air supply pipe.

[0016] Preferably, the jet assembly includes a connecting pipe, multiple fixing pipes, multiple fixing bases, and multiple nozzles. The multiple fixing bases are used to mount the multiple nozzles on the top of the second mounting ring, and the multiple fixing pipes are used to connect the nozzles and the connecting pipes.

[0017] The nozzle is directed towards the inside of the bag cage.

[0018] Preferably, the ash receiving assembly includes an ash receiving hopper and a discharge pipe, wherein the discharge pipe is installed at the bottom of the ash receiving hopper;

[0019] The other end of the discharge pipe is equipped with a valve or connector for easy connection with the corresponding pipe, and the ash hopper is installed at the bottom of the frame.

[0020] Preferably, docking components are installed on both the front and back sides of the inner wall of the frame, and two docking components are equipped with acceleration frames.

[0021] The acceleration frame contains two horn-shaped openings and a connecting pipe, with the docking assembly located between the bag filter area and the electrostatic precipitator area.

[0022] Preferably, the docking assembly includes a limiting frame and a docking bracket, wherein the limiting frame is installed on the front or back of the inner wall of the frame, and the docking bracket is installed on the front or back of the acceleration frame;

[0023] The docking frame is inserted into the inside of the limiting frame.

[0024] A high-efficiency electrostatic precipitator / bag filter hybrid dust collector and a dust removal method thereof are disclosed. The high-efficiency electrostatic precipitator / bag filter hybrid dust collector requires a dust removal method during use, comprising the following steps:

[0025] S1: Prepare the fixing frame, sealing ring, sealing ring, mounting ring, mounting ring, sealing pressure ring, mounting bolt, mounting bolt, cloth bag and bag cage. Check that the parts are not damaged or deformed, the sealing ring is not aged or cracked, and the cloth bag is not burr or hole. Clean the mounting holes of the fixing frame and the sealing area of ​​the mating ring to ensure that the mounting surface is flat and clean.

[0026] S2: Install multiple second sealing rings on the top of the fixing frame, aligning the positions of the second sealing rings with the mounting holes of the bag cage. Then, fix the bag cage to the fixing frame by connecting the second mounting rings and the second sealing rings, allowing the bag cage to be inserted into the bottom of the fixing frame. At the bottom of the fixing frame, corresponding to the positions of the second sealing rings, first sealing rings are installed by connecting rings. Then, install the first mounting rings on the open end of the cloth bag.

[0027] S3: After completion, put the cloth bag on the outer surface of the bag cage. Then, fix the first mounting ring with the sealing pressure ring below the first sealing ring by the first mounting bolt. At the same time, make sure the first mounting bolt and the first mating ring are threaded together to complete the fixing of the cloth bag. Through the cooperation of the first sealing ring and the sealing pressure ring with the second sealing ring and the second mounting ring, the bag cage, the cloth bag and the fixing frame are independently sealed, ensuring the airtightness.

[0028] S4: Start the electrostatic precipitator and bag filter. After the flue gas is pretreated by the electrostatic precipitator, the remaining dust enters the bag filter area and is filtered by the filter bags. The clean air is discharged through the airflow exhaust hood. When the differential pressure rises due to dust accumulation, the air supply component and the jet component are activated to blow and clean the dust. The dust falls into the dust collection component.

[0029] S5: When the filter bag 14 needs to be replaced, stop the machine to cool down and depressurize, and clean the residual dust. Loosen the mounting bolts on the upper and lower parts of the fixing frame, remove the relevant parts, old filter bags, and bag cages in sequence, replace the new filter bags and aged sealing rings, and after reassembling in reverse, test the sealing effect through a fluorescent powder test. After confirming that the standard is met during no-load operation, it can be put into use.

[0030] Compared with related technologies, the high-efficiency electrostatic precipitator / bag filter hybrid dust collector provided by this invention has the following beneficial effects:

[0031] This invention provides a high-efficiency electrostatic precipitator / baghouse hybrid dust collector. To improve the sealing effect of the filter bag connection in the hybrid dust collector, multiple second sealing rings are installed on the top of the fixing frame, aligning the positions of the second sealing rings with the mounting holes of the bag cage. The bag cage is then fixed to the fixing frame by connecting the second mounting rings and the second sealing rings, allowing the bag cage to be inserted below the fixing frame. First sealing rings are installed at corresponding positions below the fixing frame using first connecting rings. The first mounting rings are then installed at the open end of the filter bag. After completion, the filter bag is placed over the outer surface of the bag cage, and the first mounting rings with sealing pressure rings are then fixed to the first sealing rings using first mounting bolts. Below, the first mounting bolt and the first mating ring are simultaneously threaded together to secure the filter bag. The first sealing ring and sealing pressure ring, in conjunction with the second sealing ring and the second mounting ring, achieve independent sealing of the bag cage, filter bag, and fixing frame, ensuring airtightness. When removal and replacement are required, simply remove the fixing frame to simultaneously remove multiple filter bags for disassembly and replacement. This design employs an independent double-sealing structure, achieving independent double sealing of the bag cage, filter bag, and fixing frame, improving the sealing effect. Furthermore, the sealing pressure ring, in conjunction with the first sealing ring, achieves an interlocking seal, reducing short-circuit emissions of unfiltered flue gas, improving dust removal efficiency, and extending the service life of the filter bag. Attached Figure Description

[0032] Figure 1 A schematic diagram of the structure of the first embodiment of the high-efficiency electrostatic precipitator / bag filter provided by the present invention;

[0033] Figure 2 A schematic diagram of the installation structure is provided for this invention;

[0034] Figure 3 A schematic diagram of the gas supply equipment is provided for this invention;

[0035] Figure 4 Provided for the present invention Figure 3An enlarged view of point A shown;

[0036] Figure 5 Provided for the present invention Figure 3 An enlarged view of point B shown;

[0037] Figure 6 A schematic diagram of the structure of a second embodiment of the high-efficiency electrostatic precipitator / bag filter provided by the present invention;

[0038] Figure 7 Provided for the present invention Figure 6 A magnified view of point C shown.

[0039] Numbered in the diagram: 1. Mounting base frame; 101. Base plate; 102. Mounting structure; 103. Adjustment structure; 2. Vibration damping assembly; 201. Fixing plate; 202. Vibration damping component; 3. Ash inlet hood; 4. Frame; 5. Electrostatic precipitator; 6. Control panel; 7. Control box; 8. Ash receiving assembly; 801. Ash hopper; 802. Discharge pipe; 9. Door; 10. Airflow exhaust hood; 11. Air supply assembly; 111. Air supply equipment; 112. Air supply pipe; 113. Diversion pipe. 12. Jet assembly; 121. Connecting pipe; 122. Fixing pipe; 123. Fixing base; 124. Nozzle; 13. Bag cage; 14. Cloth bag; 15. First sealing ring; 16. First docking ring; 17. Second sealing ring; 18. Fixing bracket; 19. Sealing pressure ring; 20. First mounting ring; 21. First mounting bolt; 22. Second mounting ring; 23. Second mounting bolt; 24. Docking assembly; 241. Limiting frame; 242. Docking bracket; 25. Acceleration frame. Detailed Implementation

[0040] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0041] First Embodiment

[0042] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of the structure of the first embodiment of the high-efficiency electrostatic precipitator / bag filter provided by the present invention; Figure 2 A schematic diagram of the installation structure is provided for this invention; Figure 3 A schematic diagram of the gas supply equipment is provided for this invention; Figure 4 Provided for the present invention Figure 3 An enlarged view of point A shown; Figure 5 Provided for the present invention Figure 3 The enlarged view at point B is shown. The high-efficiency electrostatic precipitator / bag filter hybrid dust collector includes: mounting base 1;

[0043] A shock-absorbing component 2 is mounted on the top of a mounting base 1. A frame 4 is mounted on the top of the shock-absorbing component 2. A fixing frame 18 is mounted on the top of the frame 4. A plurality of second sealing rings 17 are mounted on the top of the fixing frame 18. A second mounting ring 22 is mounted on the top of each second sealing ring 17 by a second mounting bolt 23. A bag cage 13 is mounted on the bottom of each second mounting ring 22. An air jet component 12 is mounted on the top of each set of second mounting rings 22. A plurality of first docking rings 16 are mounted on the bottom of each first docking ring 16. A first sealing ring 15 is mounted on the bottom of each first docking ring 16 by a first mounting bolt 21. A first mounting ring 20 is mounted on the bottom of each first mounting ring 20. A cloth bag 14 is mounted on the bottom of each first mounting ring 20. A sealing pressure ring 19 is installed between the first mounting ring 20 and the first sealing ring 15.

[0044] An electrostatic dust removal device 5 is installed inside the frame 4 near one side. An airflow exhaust hood 10 is installed on the top of the frame 4, an air supply assembly 11 is installed on the back of the frame 4, and a dust collection assembly 8 is installed on the bottom of the frame 4.

[0045] The top of the fixing frame 18 has multiple holes at equal intervals to facilitate the installation of the bag cage 13. The second sealing ring 17 is located between the second mounting ring 22 and the fixing frame 18. The second mounting bolt 23 does not need to penetrate the second sealing ring 17. The bag cage 13 is inserted into the inside of the frame 4. Each vertical row of the second mounting ring 22 forms a group. The cloth bag 14 is fitted onto the outer surface of the bag cage 13. The cloth bag 14 is installed inside the first mounting ring 20 by snap-fit ​​or bolt with a sealing structure. A portion of the opening at the top of the cloth bag 14 needs to be pressed between the first sealing ring 15 and the sealing pressure ring 19. The bottom of the sealing pressure ring 19 is connected to the top of the first mounting ring 20. The electrostatic dust removal equipment 5 is an existing device. The electrostatic dust removal equipment 5 and the ash inlet hood 3 are adjacent to each other.

[0046] Please refer to Figure 1 A control box 7 with a door 9 is installed on the front of the frame 4, and an operation panel 6 is installed on the front of the frame 4.

[0047] The control panel 6 allows setting equipment operating parameters, the door 9 is equipped with a lock, and the control box 7 contains a power switch and a controller for the operation of auxiliary equipment.

[0048] Please refer to Figure 1 and Figure 2 The mounting base 1 includes a base plate 101, a mounting structure 102, and an adjustment structure 103. The mounting structure 102 is used to mount the adjustment structure 103 to the bottom of the base plate 101.

[0049] The threaded connection between the mounting structure 102 and the adjusting structure 103 allows for adjustment of the stability of the base plate 101 as needed.

[0050] Please refer to Figure 1 and Figure 2 The shock-absorbing assembly 2 includes two fixing plates 201 and a shock-absorbing component 202. The two fixing plates 201 are used to install the shock-absorbing component 202 between the mounting base 1 and the frame 4.

[0051] The shock-absorbing component 202 has a damper installed inside.

[0052] Please refer to Figure 2 and Figure 3 The air supply assembly 11 includes an air supply device 111, an air supply pipe 112, and a diversion pipe 113. The air supply pipe 112 is installed at the outlet of the air supply device 111, and the diversion pipe 113 is used to connect multiple sets of jet assemblies 12 and the air supply pipe 112.

[0053] The diverter pipe 113 is installed on the back of the airflow exhaust hood 10.

[0054] Please refer to Figure 3 and Figure 5 The jet assembly 12 includes a connecting pipe 121, a plurality of fixing pipes 122, a plurality of fixing bases 123 and a plurality of nozzles 124. The plurality of fixing bases 123 are used to install the plurality of nozzles 124 on the top of the second mounting ring 22, and the plurality of fixing pipes 122 are used to connect the nozzles 124 and the connecting pipes 121.

[0055] The nozzle 124 faces the inside of the bag cage 13.

[0056] Please refer to Figure 1 and Figure 2 The ash receiving assembly 8 includes an ash receiving hopper 801 and a discharge pipe 802, wherein the discharge pipe 802 is installed at the bottom of the ash receiving hopper 801;

[0057] The other end of the discharge pipe 802 is equipped with a valve or connector to facilitate connection with the corresponding pipe. The ash hopper 801 is installed at the bottom of the frame 4.

[0058] A high-efficiency electrostatic precipitator / bag filter hybrid dust collector and a dust removal method thereof are disclosed. The high-efficiency electrostatic precipitator / bag filter hybrid dust collector requires a dust removal method during use, comprising the following steps:

[0059] S1: Prepare the fixing bracket 18, sealing ring 15, sealing ring 17, mounting ring 20, mounting ring 22, sealing pressure ring 19, mounting bolt 21, mounting bolt 23, cloth bag 14 and bag cage 13. Check that the parts are free from damage and deformation, the sealing ring is free from aging cracks, and the cloth bag is free from burrs and holes. Clean the mounting holes of the fixing bracket 18 and the sealing area of ​​the mating ring 16 to remove dust and rust, and ensure that the mounting surface is flat and clean.

[0060] S2: Install multiple second sealing rings 17 on the top of the fixing frame 18, so that the positions of the second sealing rings 17 and the mounting holes of the bag cage 13 correspond. Then, fix the bag cage 13 on the fixing frame 18 by connecting the second mounting ring 20 and the second sealing ring 17, so that the bag cage 13 is inserted into the bottom of the fixing frame 18. At the position corresponding to the position of the second sealing ring 17, the first sealing ring 15 is installed by the first connecting ring 16 under the fixing frame 18. Then, install the first mounting ring 20 on the open end of the cloth bag 14.

[0061] S3: After completion, put the cloth bag 14 on the outer surface of the bag cage 13. Then, fix the first mounting ring 20 with the sealing pressure ring 19 below the first sealing ring 15 by the first mounting bolt 21. At the same time, make the first mounting bolt 21 and the first mating ring 16 threadedly connected to complete the fixing of the cloth bag 14. Through the cooperation of the first sealing ring 15 and the sealing pressure ring 19 with the second sealing ring 17 and the second mounting ring 20, the bag cage 13, the cloth bag 14 and the fixing frame 18 are independently sealed, ensuring the airtightness.

[0062] S4: Start the electrostatic precipitator and bag filter. After the flue gas is pretreated by the electrostatic precipitator 5, the remaining dust enters the bag filter area and is filtered by the filter bag 14. The clean air is discharged through the airflow discharge hood 10. When the dust accumulation causes the differential pressure to rise, start the air supply component 11 and the jet component 12 to blow and clean the dust. The dust falls into the dust collection component 8.

[0063] S5: When the filter bag 14 needs to be replaced, stop the machine to cool down and depressurize, and clean the residual dust. Loosen the mounting bolts on the upper and lower parts of the fixing frame 18, and remove the relevant parts, old filter bag 14, and bag cage 13 in sequence. Replace the new filter bag 14 and the aged sealing ring. After reassembling in reverse, test the sealing effect through a fluorescent powder test. After confirming that the standard is met during no-load operation, put it into use.

[0064] The working principle of the high-efficiency electrostatic precipitator / bag filter hybrid dust collector provided by this invention is as follows:

[0065] Multiple second sealing rings 17 are installed on the top of the fixing frame 18, aligning the positions of the second sealing rings 17 with the mounting holes of the bag cage 13. Then, the bag cage 13 is fixed to the fixing frame 18 by connecting the second mounting rings 20 and the second sealing rings 17, allowing the bag cage 13 to be inserted below the fixing frame 18. First sealing rings 15 are installed below the fixing frame 18 at positions corresponding to the positions of the second sealing rings 17 via first connecting rings 16. Then, the first mounting rings 20 are installed at the open end of the cloth bag 14. Finally, the cloth bag 14 is placed over the outer surface of the bag cage 13. The first mounting ring 20 with the sealing pressure ring 19 can be fixed below the first sealing ring 15 by the first mounting bolt 21, and the first mounting bolt 21 and the first mating ring 16 can be threaded together to complete the fixing of the cloth bag 14. The first sealing ring 15 and the sealing pressure ring 19 cooperate with the second sealing ring 17 and the second mounting ring 20 to achieve independent sealing of the bag cage 13, the cloth bag 14 and the fixing frame 18, ensuring the sealing performance. When it is necessary to remove and replace, multiple cloth bags 14 can be removed simultaneously by simply removing the fixing frame 18 for disassembly and replacement.

[0066] Compared with related technologies, the high-efficiency electrostatic precipitator / bag filter hybrid dust collector provided by this invention has the following beneficial effects:

[0067] To improve the sealing effect of the filter bag connection in the electrostatic precipitator-baghouse hybrid dust collector, multiple second sealing rings 17 are installed on the top of the fixing frame 18, aligning the positions of the second sealing rings 17 with the mounting holes of the bag cage 13. Then, the bag cage 13 is fixed to the fixing frame 18 by connecting the second mounting rings 20 and the second sealing rings 17, allowing the bag cage 13 to be inserted below the fixing frame 18. Below the fixing frame 18, at positions corresponding to the second sealing rings 17, first sealing rings 15 are installed via first connecting rings 16. The first mounting rings 20 are then installed at the open end of the filter bag 14. After completion, the filter bag 14 is fitted onto the outer surface of the bag cage 13, and the first mounting rings 20 with sealing pressure rings 19 are fixed below the first sealing rings 15 using the first mounting bolts 21. Once the first mounting bolt 21 and the first mating ring 16 are threaded together, the filter bag 14 is fixed. The first sealing ring 15 and the sealing pressure ring 19 cooperate with the second sealing ring 17 and the second mounting ring 20 to achieve independent sealing of the bag cage 13, the filter bag 14 and the fixing frame 18, ensuring airtightness. When it is necessary to remove and replace them, only the fixing frame 18 needs to be removed to remove multiple filter bags 14 at the same time for disassembly and replacement. This design adopts an independent double sealing structure to achieve independent double sealing of the bag cage 13, the filter bag 14 and the fixing frame 18, which improves the sealing effect. In addition, the sealing pressure ring 19 cooperates with the first sealing ring 15 to achieve a snap seal, reducing the short-circuit emission of unfiltered flue gas, improving dust removal efficiency, and helping to extend the service life of the filter bag 14.

[0068] Second Embodiment

[0069] Please refer to the following: Figures 6-7 , Figure 6 A schematic diagram of the structure of a second embodiment of the high-efficiency electrostatic precipitator / bag filter provided by the present invention; Figure 7 Provided for the present invention Figure 6 The enlarged view at point C shows a high-efficiency electrostatic precipitator / bag filter hybrid dust collector based on the first embodiment of this application. The second embodiment of this application proposes another high-efficiency electrostatic precipitator / bag filter hybrid dust collector. The second embodiment is merely a preferred embodiment of the first embodiment, and its implementation will not affect the independent implementation of the first embodiment.

[0070] Specifically, the difference in the high-efficiency electrostatic precipitator / bag filter provided in the second embodiment of this application is as follows, please refer to... Figure 6 The front and back sides of the inner wall of the frame 4 are equipped with docking components 24, and two docking components 24 are equipped with acceleration frames 25.

[0071] The acceleration frame 25 includes two horn openings and a connecting pipe, and the docking assembly 24 is located between the bag filter area and the electrostatic precipitator area.

[0072] Please refer to Figure 6 and Figure 7 The docking assembly 24 includes a limiting frame 241 and a docking bracket 242. The limiting frame 241 is installed on the front or back of the inner wall of the frame 4, and the docking bracket 242 is installed on the front or back of the acceleration frame 25.

[0073] The docking frame 242 is inserted into the inside of the limiting frame 241.

[0074] Compared with related technologies, the high-efficiency electrostatic precipitator / bag filter hybrid dust collector provided by this invention has the following beneficial effects:

[0075] To ensure that the dust-laden airflow can evenly enter the dust collection area of ​​the bag filter 14 after passing through the electrostatic precipitator 5, an acceleration frame 25 with flared ends is installed between the electrostatic precipitator 5 and the dust collection area of ​​the bag filter 14 via a docking assembly 24. After the dust is discharged from the area of ​​the electrostatic precipitator 5, it enters the flared end of the acceleration frame 25, which gathers the dust-laden airflow and accelerates it through the narrowed area in the middle of the acceleration frame 25. Finally, it is discharged from the flared end of the acceleration frame 25, allowing the dust-laden airflow to evenly enter the dust collection area of ​​the bag filter 14. This ensures that the dust and each bag 14 can come into uniform contact, improving the filtration effect and extending the service life of the bag filter 14.

[0076] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A high-efficiency electrostatic precipitator / bag filter hybrid dust collector, characterized in that, include: Install the base frame; A shock-absorbing assembly is mounted on top of a mounting base. A frame is mounted on top of the shock-absorbing assembly, and a fixing frame is mounted on top of the frame. Multiple second sealing rings are mounted on top of the fixing frame. A second mounting ring is mounted on top of each second sealing ring via a second mounting bolt. A bag cage is mounted on bottom of each second mounting ring. An air jet assembly is mounted on top of each set of second mounting rings. Multiple first docking rings are mounted on bottom of the fixing frame. A first sealing ring is mounted on bottom of each first docking ring via a first mounting bolt. A cloth bag is mounted on bottom of each first mounting ring. A sealing pressure ring is installed between the first mounting ring and the first sealing ring. An electrostatic dust removal device is installed inside a frame near one side. An airflow exhaust hood is installed on the top of the frame, an air supply assembly is installed on the back of the frame, and a dust collection assembly is installed on the bottom of the frame.

2. The high-efficiency electrostatic precipitator / bag filter composite dust collector according to claim 1, characterized in that, A control box with a door is installed on the front of the frame, and an operation panel is also installed on the front of the frame.

3. The high-efficiency electrostatic precipitator / bag filter composite dust collector according to claim 1, characterized in that, The mounting base includes a base plate, a mounting structure, and an adjustment structure. The mounting structure is used to mount the adjustment structure to the bottom of the base plate.

4. The high-efficiency electrostatic precipitator / bag filter composite dust collector according to claim 1, characterized in that, The shock-absorbing assembly includes two mounting plates and a shock-absorbing component. The two mounting plates are used to install the shock-absorbing component between the mounting base and the frame.

5. The high-efficiency electrostatic precipitator / bag filter composite dust collector according to claim 1, characterized in that, The air supply assembly includes an air supply device, an air supply pipe, and a diversion pipe. The air supply pipe is installed at the outlet of the air supply device, and the diversion pipe is used to connect multiple sets of jet components and the air supply pipe.

6. The high-efficiency electrostatic precipitator / bag filter composite dust collector according to claim 1, characterized in that, The jet assembly includes a connecting pipe, multiple fixing pipes, multiple fixing bases, and multiple nozzles. The multiple fixing bases are used to mount the multiple nozzles on the top of the second mounting ring, and the multiple fixing pipes are used to connect the nozzles and the connecting pipes.

7. The high-efficiency electrostatic precipitator / bag filter composite dust collector according to claim 1, characterized in that, The ash receiving assembly includes an ash receiving hopper and a discharge pipe, with the discharge pipe installed at the bottom of the ash receiving hopper.

8. The high-efficiency electrostatic precipitator / bag filter composite dust collector according to claim 1, characterized in that, The front and back sides of the inner wall of the frame are equipped with docking components, and two of the docking components are equipped with acceleration frames.

9. The high-efficiency electrostatic precipitator / bag filter composite dust collector according to claim 8, characterized in that, The docking assembly includes a limiting frame and a docking bracket. The limiting frame is installed on the front or back of the inner wall of the frame, and the docking bracket is installed on the front or back of the acceleration frame.

10. A high-efficiency electrostatic precipitator / bag filter hybrid dust collector and dust removal method, characterized in that, The high-efficiency electrostatic precipitator / bag filter composite dust collector, as described in any one of claims 1-9, requires a dust removal method during its use, comprising the following steps: S1: Prepare the fixing frame, sealing ring, sealing ring, mounting ring, mounting ring, sealing pressure ring, mounting bolt, mounting bolt, cloth bag and bag cage. Check that the parts are not damaged or deformed, the sealing ring is not aged or cracked, and the cloth bag is not burr or hole. Clean the mounting holes of the fixing frame and the sealing area of ​​the mating ring to ensure that the mounting surface is flat and clean. S2: Install multiple second sealing rings on the top of the fixing frame, aligning the positions of the second sealing rings with the mounting holes of the bag cage. Then, fix the bag cage to the fixing frame by connecting the second mounting rings and the second sealing rings, allowing the bag cage to be inserted into the bottom of the fixing frame. At the bottom of the fixing frame, corresponding to the positions of the second sealing rings, first sealing rings are installed by connecting rings. Then, install the first mounting rings on the open end of the cloth bag. S3: After completion, put the cloth bag on the outer surface of the bag cage. Then, fix the first mounting ring with the sealing pressure ring below the first sealing ring by the first mounting bolt. At the same time, make sure the first mounting bolt and the first mating ring are threaded together to complete the fixing of the cloth bag. Through the cooperation of the first sealing ring and the sealing pressure ring with the second sealing ring and the second mounting ring, the bag cage, the cloth bag and the fixing frame are independently sealed, ensuring the airtightness. S4: Start the electrostatic precipitator and bag filter. After the flue gas is pretreated by the electrostatic precipitator, the remaining dust enters the bag filter area and is filtered by the filter bags. The clean air is discharged through the airflow exhaust hood. When the differential pressure rises due to dust accumulation, the air supply component and the jet component are activated to blow and clean the dust. The dust falls into the dust collection component. S5: When the filter bag needs to be replaced, stop the machine to cool down and depressurize, and clean the residual dust. Loosen the mounting bolts on the upper and lower parts of the fixing frame, remove the relevant parts, old filter bags, and bag cages in sequence, replace the new filter bags and aged sealing rings, and reassemble in reverse. Test the sealing effect through a fluorescent powder test. After confirming that the standard is met during no-load operation, put it into use.

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