Waste incineration fly ash storage tank and use method

Abstract

The invention discloses a waste incineration fly ash storage tank and a using method, and relates to the technical field of waste incineration fly ash storage tanks. A storage tank body comprises a feeding port, a gas exchange port, a spiral conveyor body and a driving device, and a plurality of knocking rods are fixed to the upper end of the interior of the storage tank body; the inner wall of the storage tank body is rotationally connected with a rotating disc, a filtering disc and reinforcing discs, the filtering disc is located below the rotating disc, the reinforcing discs are located below the filtering disc, the number of the reinforcing discs is two, a plurality of spiral scraping strips are fixed to the outer walls of the reinforcing discs along the circumferences of the reinforcing discs, and the rotating disc, the filtering disc and the reinforcing discs are all fixedly connected with the scraping strips. A fixing rod is fixed to the axis position of the reinforcing disc, a plurality of stirring frames are fixed to the outer wall of the fixing rod along the circumference of the fixing rod, a gap is formed between every two stirring frames, the reinforcing disc rotates to drive the scraping strips to rotate, the inner wall of the storage tank body is scraped, and waste incineration fly ash can be scraped from the inner wall of the storage tank body.

Description

Technical Field

[0001] The invention relates to the technical field of waste incineration fly ash storage tanks, and in particular to a waste incineration fly ash storage tank and a use method thereof. Background Art

[0002] Domestic waste incineration fly ash (hereinafter referred to as fly ash) is a powdery substance collected by the flue gas purification system of domestic waste incineration, which is a hazardous waste. In recent years, with the rapid growth of urban domestic waste generation, the amount of fly ash generated has increased.

[0003] The Chinese patent with patent application number CN202121372632.2 discloses a fly ash treatment device suitable for waste incineration power plants, including a diversion pipe, an ash discharge pipe is fixedly installed on the lower surface of the diversion pipe, a filter plate is movably installed at the connection between the diversion pipe and the ash discharge pipe, a cleaning plate is movably installed on the upper surface of the filter plate, a storage tank is fixedly connected to the lower surface of the ash discharge pipe, and a contact baffle is fixedly installed on the inner upper surface of the diversion pipe. The fly ash treatment device suitable for waste incineration power plants described in this technical solution can quickly clean it mechanically instead of manually, and the cleaning speed is fast, saving time and effort, thereby providing power generation and reducing the hidden dangers caused by garbage accumulation. In addition, the addition of the filter plate can greatly reduce the amount of fly ash flowing into the dust bag filter, thereby greatly reducing the pressure on the dust bag equipment and reducing the frequency of cleaning the dust bag.

[0004] The Chinese patent with patent application number CN202323261956.0 discloses a bag dust collector unloading and unblocking device, including an unblocking cylinder, flanges are respectively provided at both ends of the unblocking cylinder, and a unblocking air duct and an unblocking port are provided on the side wall of the unblocking cylinder, the unblocking air duct and the unblocking port are respectively connected to the inner cavity of the unblocking cylinder, and a grate plate is provided in the unblocking cylinder perpendicular to its axial direction. The bag dust collector unblocking device of this technical solution uses two methods: air supply loosening of the unblocking air duct and unblocking tool unblocking to unblock the cone of the bag dust collector. It solves the problem of difficulty in unblocking when the cone of the bag dust collector is blocked by materials, and at the same time avoids the on-site discharge of materials during the unblocking process, improves the working environment, and reduces safety risks. The bag dust collector unblocking device has the advantages of convenient disassembly and assembly, easy operation, and rapid and safe unblocking.

[0005] The following problems may occur during the use of the above solution: 1. Considering that after high-speed gas carries the waste incineration fly ash into the storage tank, most of the waste incineration fly ash will accumulate inside the storage tank, and some of it will float and adsorb on the inner wall of the storage tank. Due to the accumulation and adsorption, the waste incineration fly ash is prone to blockage when it is discharged, and the waste incineration fly ash adsorbed on the inner wall of the storage tank cannot be discharged.

[0006] 2. After the waste incineration fly ash is input into the storage tank, the high-speed gas will impact the existing waste incineration fly ash inside the storage tank, causing the waste incineration fly ash to rise, thereby driving the waste incineration fly ash to move upward. In order to ensure that the waste incineration fly ash will not be carried out of the storage tank, a filtering device is required to filter the high-speed gas, which is not dealt with in the above scheme.

[0007] 3. When high-speed gas is discharged, it will carry a small amount of waste incineration fly ash. After the filter device has filtered the waste incineration fly ash for a long time, the waste incineration fly ash will adhere to the filter device and affect the filtering effect of the filter device. Summary of the invention

[0008] In view of the above problems, the present invention provides a waste incineration fly ash storage tank and a use method thereof, which solve the above problems.

[0009] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a waste incineration fly ash storage tank and a method of using the same, comprising a storage tank body, the storage tank body comprising a feed port, a gas exchange port, a screw conveyor body and a driving device, a plurality of knocking rods are fixed to the upper end of the storage tank body, a turntable, a filter plate and a reinforcement plate are rotatably connected to the inner wall of the storage tank body, the filter plate is located below the turntable, the reinforcement plate is located below the filter plate, two reinforcement plates are symmetrically arranged above and below, and the outer wall of the reinforcement plate is connected along the A plurality of spiral scraping strips are fixed on the circumference, the turntable, filter plate and reinforcement plate are all fixedly connected to the scraping strips, a fixing rod is fixed on the axial position of the reinforcement plate, a plurality of stirring frames are fixed on the outer wall of the fixing rod along its circumference, gaps are provided between the stirring frames, a plurality of spirally distributed blades are fixed to the lower end of the fixing rod, the spiral direction of the blades is opposite to that of the scraping strips, a plurality of scrapers are fixed to the bottom of the reinforcement plate at the lower end, the scrapers and scraping strips are in contact with the inner wall of the storage tank body, and the turntable is transmission-connected to the driving device.

[0010] Preferably, two symmetrically arranged scraper plates are fixed to the lower end of the feed port, and the scraper plates rotate in close contact with the lower end surface of the filter plate. The lower end of the feed port passes through the turntable. The feed port and the filter plate are concentrically arranged, the feed port is rotatably connected to the turntable, and the feed port is fixedly connected to the storage tank body.

[0011] Preferably, the filter disc is funnel-shaped, larger at the top and smaller at the bottom, and filter holes are provided on the surface of the filter disc. A gap is provided between the filter disc and the turntable, and a through hole in the center of the filter disc corresponds to the lower end of the feed port to facilitate direct passage of waste incineration fly ash through the filter disc.

[0012] Preferably, the upper end of the turntable is provided with two circles of annularly distributed fixing frames along its circumference, the knocking rod is placed between the two circles of the fixing frames, the outer wall of the fixing frame is provided with a long strip of through holes, a swing rod is rotatably connected in the through holes, filter bags are fixed inside the fixing frames, an impact block is fixed at the lower end of the knocking rod, the diameter of the impact block is slightly larger than the distance between the two circles of the fixing frames, and the lower end of the turntable is provided with two circles of annularly distributed dust collecting barrels along its circumference, and the dust collecting barrels correspond to the fixing frames one by one.

[0013] Preferably, a bellows is fixed to the lower end of the fixed frame, and the bellows is fixedly connected to the turntable. A plurality of springs are fixed along the circumference of the lower end of the fixed frame, and the springs are fixedly connected to the turntable. A plurality of limiting steel wires are fixed to the lower end of the fixed frame, and the limiting steel wires are distributed between two of the springs, and the limiting steel wires are fixedly connected to the turntable.

[0014] Preferably, a connecting frame connected to the turntable is respectively provided at the lower end of the fixing frame, a flexible rod is rotatably connected to the upper end of the connecting frame, a fan blade is provided on the flexible rod, a plurality of brushes are fixed to the outer wall of the flexible rod, and the length of the brush is greater than the radius of the fixing frame.

[0015] Preferably, the lower end of the connecting frame is rotatably connected to a metal rod, the flexible rod rotates coaxially with the metal rod, and two symmetrically arranged dust removal plates are fixed to the outer wall of the metal rod. The dust removal plates are U-shaped, and the dust removal plates fit the inner and outer surfaces of the dust collecting barrel, and the metal rod is connected to the dust removal plates.

[0016] Preferably, the dust collecting cylinder is connected to the filter bag, the dust collecting cylinder is in a truncated cone shape, the dust collecting cylinder is small at the top and large at the bottom, the dust removing plate on the dust collecting cylinder is in an arc shape as a whole, the dust collecting cylinder is made of metal, and the dust collecting cylinder and the turntable are insulated.

[0017] A method for using a garbage incineration fly ash storage tank comprises the following steps: S1: High-speed gas carries the waste incineration fly ash into the interior of the storage tank body from the feed port, and directly brings the waste incineration fly ash to the position below the filter plate. The driving device drives the turntable to rotate, causing the filter plate and the reinforcement plate to rotate; S2: After the high-speed gas brings the waste incineration fly ash to the bottom of the filter plate, the stirring frame stirs the waste incineration fly ash to prevent the waste incineration fly ash from agglomerating, and the scraper scrapes the waste incineration fly ash inside the storage tank body; S3: When the high-speed gas moves upward and passes through the filter plate, the filter plate will filter out some of the waste incineration fly ash in the high-speed gas. As the filter plate rotates, the scraper plate will clean up the dust filtered at the bottom of the filter plate; S4: High-speed gas brings a small amount of waste incineration fly ash to the dust collection tube for electrostatic adsorption, which removes the small waste incineration fly ash and scrapes off the dust collection tube surface through the ash removal plate; S5: The high-speed gas carries the waste incineration fly ash through the filter bag for final filtration. After filtration, the high-speed gas is discharged through the gas exchange port. The waste incineration fly ash stays on the inner wall of the filter bag and is cleaned out by the swing rod and brush; S6: The garbage incineration fly ash cleaned from the filter bag and the dust collection tube falls on the surface of the filter plate. Since the high-speed gas entering from the feed port is directly blown to the lower end of the filter plate, the flow velocity in the central part of the filter plate is fast. The pressure is low in the place with fast flow velocity, and the garbage incineration fly ash on the surface of the filter plate is attracted to the center and re-enters the bottom of the filter plate for storage; S7: The waste incineration fly ash inside the storage tank body is discharged through the cooperation of pneumatic conveying and the screw conveyor body.

[0018] Compared with the prior art, the present invention has the following beneficial effects: 1. The reinforcement plate rotates to drive the scraper bar to rotate, and the inner wall of the storage tank body is scraped, which is beneficial to scrape the waste incineration fly ash from the inner wall of the storage tank body. At the same time, the spiral directions of the blades and the scraper bar are set in opposite directions. The scraper bar scrapes the waste incineration fly ash while squeezing the waste incineration fly ash downward, and the blade transports the waste incineration fly ash upward to prevent the waste incineration fly ash from being discharged from the inside of the storage tank body. At the same time, when the scraper bar and the blade rotate in opposite directions, the scraper bar transports the waste incineration fly ash on the inner edge of the storage tank body upward, and the blade transports the waste incineration fly ash in the center of the storage tank body to the screw conveyor body. The intervals between the blades are beneficial to the waste incineration fly ash to quickly reach the screw conveyor body, preventing the waste incineration fly ash discharge from being blocked.

[0019] 2. The fly ash from garbage incineration is filtered through the cooperation of the dust collecting tube and the filter bag to prevent the fly ash from being carried out when the gas is discharged and causing pollution. Through the cooperation of the fixed frame and the knocking rod, the fixed frame collides with the knocking rod after the turntable rotates, causing the fixed frame to swing, and then the swinging rod shakes to hit the filter bag, knocking down the fly ash from the inner wall of the filter bag to prevent the filter bag from being blocked.

[0020] 3. As the high-speed flow of gas ash passes through the inside of the filter bag, the gas drives the fan blades to rotate, and then drives the flexible rod and the ash removal plate to rotate. The rotation of the flexible rod drives the brush to rotate and scrub the inner wall of the filter bag, and the garbage incineration fly ash attached to the inner wall of the filter bag is brushed off. At the same time, the rotation of the metal rod drives the ash removal plate to rotate, and the dust adsorbed on the surface of the dust collector is scraped off, preventing the garbage incineration fly ash from being adsorbed too much on the dust collector and affecting the dust removal effect of the dust collector. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a cross-sectional schematic diagram of the present invention; Figure 3 It is a schematic diagram of the interior of the storage tank body of the present invention; Figure 4 It is an overall schematic diagram of the stirring frame of the present invention; Figure 5 It is an overall schematic diagram of the fixing frame of the present invention; Figure 6 It is an exploded schematic diagram of the fixing frame of the present invention; Figure 7 It is an exploded schematic diagram of the fixing frame of the present invention.

[0022] Notes in the figure: 1. Storage tank body; 2. Turntable; 3. Filter plate; 4. Reinforcement plate; 5. Fixing frame; 6. Dust collection cylinder; 11. Gas exchange port; 12. Screw conveyor body; 13. Feed port; 14. Knocking rod; 41. fixed rod; 42. stirring frame; 43. scraper; 44. blade; 45. scraper strip; 51. Swing rod; 52. Bellows; 53. Spring; 54. Limiting wire; 55. Filter bag; 56. Connecting frame; 57. Flexible rod; 61. dust removal plate; 62. metal rod; 131. Plasterboard; 571. Fan blades; 572. Brush. DETAILED DESCRIPTION

[0023] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] See also Figure 1 , Figure 2 , Figure 3 and Figure 4, considering that after the high-speed gas carries the waste incineration fly ash into the interior of the storage tank body 1, most of the waste incineration fly ash will accumulate inside the storage tank body 1, and a part of it will float and be adsorbed on the inner wall of the storage tank body 1. Due to the accumulation and adsorption, the waste incineration fly ash is prone to blockage when it is discharged, and the waste incineration fly ash adsorbed on the inner wall of the storage tank body 1 cannot be discharged. A waste incineration fly ash storage tank and a use method thereof include a storage tank body 1, wherein the upper end of the storage tank body 1 is provided with a feed port 13, and the upper part of the outer wall of the storage tank body 1 is provided with a gas exchange port 11 connected to the interior of the storage tank body 1, and the gas exchange port 11 is used to carry the waste incineration fly ash. The high-speed gas of ash is discharged to prevent the internal pressure of the storage tank body 1 from being too high. The discharge port at the lower end of the storage tank body 1 is provided with a screw conveyor body 12. The screw conveyor body 12 is an existing device. The screw conveyor body 12 includes an outer cylinder, an auger and a motor, which is used to transport the garbage incineration fly ash discharged from the storage tank body 1 to the corresponding position. A plurality of knocking rods 14 are fixed to the upper end of the storage tank body 1. The knocking rods 14 are used to hit the fixed frame 5 to make the fixed frame 5 swing. The inner wall of the storage tank body 1 is rotatably connected with a turntable 2, a filter plate 3 and a reinforcement plate 4. The filter plate 3 is located below the turntable 2, and the reinforcement plate 4 is located below the filter plate 3. The reinforcement plate 4 is symmetrically provided with two upper and lower parts. The outer wall of the reinforcement plate 4 is fixed with a plurality of spiral scraping strips 45 along its circumference. The scraping strips 45 are driven to rotate by the rotation of the reinforcement plate 4 to scrape the inner wall of the storage tank body 1, which is beneficial to scrape the fly ash from the inner wall of the storage tank body 1. The turntable 2, the filter plate 3 and the reinforcement plate 4 are all fixedly connected with the scraping strips 45. A fixing rod 41 is fixed to the axial position of the reinforcement plate 4. A plurality of stirring frames 42 are fixed to the outer wall of the fixing rod 41 along its circumference. A gap is provided between each of the stirring frames 42. A plurality of spirally distributed blades 44 are fixed to the lower end of the fixing rod 41. A gap is provided between each of the blades 44. The intervals provided between the blades 44 are beneficial to the rapid arrival of the fly ash from the incineration of garbage to the spiral conveyor The machine body 12 is used to prevent the discharge of waste incineration fly ash from being blocked. The spiral direction of the blade 44 is opposite to that of the scraper bar 45. At the same time, the spiral directions of the blade 44 and the scraper bar 45 are set in opposite directions. The scraper bar 45 scrapes the waste incineration fly ash while squeezing the waste incineration fly ash downward, and the blade 44 transports the waste incineration fly ash upward to prevent the waste incineration fly ash from being discharged from the inside of the storage tank body 1. At this time, the waste fly ash comes to the stirring frame 42 for gathering and stirring to prevent the waste combustion fly ash from agglomerating and affecting the final discharge. At the same time, when the scraper bar 45 and the blade 44 rotate in opposite directions, the scraper bar 45 transports the waste incineration fly ash on the inner edge of the storage tank body 1 upward, so that a space is formed between the waste incineration fly ash at the stirring frame 42 and the inner wall of the storage tank body 1.The blades 44 are convenient for conveying the garbage incineration fly ash in the center of the storage tank body 1 to the screw conveyor body 12. The stirring frame 42, the blades 44 and the scraper bars 45 cooperate with each other to facilitate the rapid discharge or storage of the garbage fly ash, and prevent agglomeration during storage. A plurality of scrapers 43 are fixed to the bottom of the reinforcement plate 4 at the lower end. The scrapers 43 and the scraper bars 45 are in contact with the inner wall of the storage tank body 1. The scrapers 43 scrape the inner wall of the tightened part of the lower end of the storage tank body 1, so that the garbage incineration fly ash can be discharged more smoothly when the garbage incineration fly ash is discharged. The upper end of the turntable 2 is connected to a driving device, which is fixedly connected to the storage tank body 1. The driving device is an existing device, which is used to drive the turntable 2, the filter plate 3 and the reinforcement plate 4 to rotate.

[0025] See also Figure 2 , Figure 3 and Figure 4 , considering that after the waste incineration fly ash is input into the interior of the storage tank body 1, the high-speed gas will impact the original waste incineration fly ash inside the storage tank body 1, causing the waste incineration fly ash to rise, and then drive the waste incineration fly ash to move upward, two symmetrically arranged scraper plates 131 are fixed at the lower end of the feed port 13, and the scraper plates 131 rotate in fit with the lower end surface of the filter disc 3, and the lower end of the feed port 13 passes through the turntable 2, and the waste incineration fly ash is filtered through the filter disc 3 to prevent the high-speed gas from driving the waste incineration fly ash to fly out, and the filtered waste incineration fly ash will be adsorbed and accumulated on the lower surface of the filter disc 3. After long-term accumulation, the filter holes on the surface of the filter disc 3 will be blocked, affecting the filtering effect of the filter disc 3, and the lower end of the filter disc 3 is fitted A scraper plate 131 is provided, and the scraper plate 131 is fixed on the feed port 13. When the filter disc 3 rotates, the scraper plate 131 scrapes off the waste incineration fly ash on the lower surface of the filter disc 3 to ensure the filtering effect of the filter disc 3. The waste incineration fly ash scraped off from the lower surface of the filter disc 3 will fall back into the space below the filter disc 3 for storage. The feed port 13 is concentrically arranged with the filter disc 3, and the feed port 13 is rotatably connected to the turntable 2. The feed port 13 is fixedly connected to the storage tank body 1, and the feed port 13 is rotatably connected to the turntable 2. At the same time, a sealing treatment is performed at the connection to ensure that the turntable 2 can rotate around the feed port 13, and at the same time, prevent the high-speed gas from carrying a small amount of waste incineration fly ash from escaping from the gap between the turntable 2 and the feed port 13.

[0026] See also Figure 2 and Figure 3Considering that the high-speed gas drives part of the waste incineration fly ash to move upward, and considering the waste incineration fly ash discharged from the filter bag 55 and the dust collecting tube 6, the waste incineration fly ash generated by the two is collected again in the lower half of the storage tank body 1, the filter plate 3 is funnel-shaped with a large top and a small bottom, and the surface of the filter plate 3 is provided with filter holes. The high-speed gas moves from bottom to top, and due to the effect of the inclined surface, it moves toward the outer edge of the filter plate 3 after passing through the filter plate 3, and the filtered waste incineration fly ash is filtered at the outer edge of the filter plate 3. There is a gap between the filter disc 3 and the turntable 2, and the through hole in the center of the filter disc 3 corresponds to the lower end of the feed port 13, and the garbage incineration fly ash discharged from the filter bag 55 and the dust collecting tube 6 will fall on the upper surface of the filter disc 3. Due to the effect of the inclined surface on the upper end of the filter disc 3 and the rapid downward flow of high-speed gas from the center of the filter disc 3, a low-pressure area is generated in the center of the filter disc 3. With the effect of the inclined surface on the upper end of the filter disc 3, the garbage incineration fly ash on the surface of the filter disc 3 is attracted into the high-speed gas, so that the garbage incineration fly ash returns to the bottom of the filter disc 3.

[0027] See also Figure 3 , Figure 5 , Figure 6 and Figure 7 , considering that a small amount of waste incineration fly ash will be carried with it when the high-speed gas is discharged, in order to ensure that the waste incineration fly ash will not be taken out of the storage tank body 1, a dust collecting barrel 6 and a filter cloth bag 55 are arranged to filter the waste incineration fly ash. After the dust collecting barrel 6 and the filter cloth bag 55 have filtered the waste incineration fly ash for a long time, the waste incineration fly ash will adhere to the dust collecting barrel 6 and the filter cloth bag 55. In order to ensure the filtering effect of the dust collecting barrel 6 and the filter cloth bag 55, it is necessary to clean the waste incineration fly ash attached to the dust collecting barrel 6 and the filter cloth bag 55. The upper end of the turntable 2 is provided with two circles of annular fixed frames 5 along its circumference, and the knocking rod 14 is placed between the two circles of the fixed frames 5. The outer wall of the fixed frame 5 is provided with a long strip of through holes, and a swing rod 51 is rotatably connected in the through holes. A filter bag 55 is fixed inside the fixed frame 5, and a strike block is fixed at the lower end of the knocking rod 14, the diameter of the strike block is slightly larger than the distance between the two circles of the fixed frame 5, and the lower end of the turntable 2 is provided with two circles of dust collecting barrels 6 distributed in an annular shape along its circumference, and the dust collecting barrels 6 correspond to the fixed frame 5 one by one, and the garbage incineration fly ash is filtered through the cooperation of the dust collecting barrel 6 and the filter bag 55 to prevent the garbage incineration fly ash from flying out when the gas is discharged and causing pollution, and through the cooperation of the fixed frame 5 and the knocking rod 14, after the turntable 2 rotates, the fixed frame 5 collides with the knocking rod 14 to make the fixed frame 5 swing, and then the swing rod 51 is shaken to hit the filter bag 55, so as to knock down the garbage incineration fly ash on the inner wall of the filter bag 55 and prevent the filter bag 55 from being blocked.

[0028] See also Figure 3 , Figure 5 , Figure 6 and Figure 7 Considering that the fixed frame 5 swings after being hit, it is necessary to prevent the fixed frame 5 from colliding with each other during the swinging process, resulting in damage to the components. A bellows 52 is fixed to the lower end of the fixed frame 5. The bellows 52 is fixedly connected to the turntable 2. The turntable 2 and the filter bag 55 are connected through the bellows 52 to ensure that the high-speed gas carries the waste incineration fly ash through the filter bag 55 to filter the waste incineration fly ash in the high-speed gas. A plurality of springs 53 are fixed along the circumference of the lower end of the fixed frame 5. The springs 53 is fixedly connected to the turntable 2, and the fixing frame 5 is elastically connected to the turntable 2 through the spring 53, so that the fixing frame 5 can swing after being hit by the knocking rod 14, and a plurality of limiting steel wires 54 are fixed to the lower end of the fixing frame 5, and the limiting steel wires 54 are distributed between two of the springs 53, and the limiting steel wires 54 are fixedly connected to the turntable 2. By arranging a plurality of limiting steel wires 54 at the lower end of the fixing frame 5, when the fixing frame 5 swings, individual limiting steel wires 54 are tightened to limit the swing angle of the fixing frame 5, thereby preventing the swing amplitude of the fixing frame 5 from being too large.

[0029] See also Figure 3 , Figure 5 , Figure 6 and Figure 7 In consideration of cleaning the incineration fly ash inside the filter bag 55, the lower end of the fixed frame 5 is respectively provided with a connecting frame 56 connected to the turntable 2, the connecting frame 56 is fixedly connected to the turntable 2, and the upper end of the connecting frame 56 is rotatably connected to a flexible rod 57, on which a fan blade 571 is provided, and a plurality of brushes 572 are fixed on the outer wall of the flexible rod 57, and the length of the brush 572 is greater than the radius of the fixed frame 5. As the high-speed flow of gas ash passes through the inside of the filter bag 55, the gas drives the fan blade 571 to rotate, thereby driving the flexible rod 57 and the ash removal plate 61 to rotate, and the rotation of the flexible rod 57 drives the brushes 572 to rotate. The brush 572 rotates and brushes the inner wall of the filter bag 55 to brush off the fly ash from incineration attached to the inner wall of the filter bag 55. At the same time, the metal rod 62 rotates to drive the ash removal plate 61 to rotate, and the dust adsorbed on the surface of the dust collecting tube 6 is scraped off to prevent the fly ash from being adsorbed too much on the dust collecting tube 6 and affecting the dust removal effect of the dust collecting tube 6. At the same time, during the swinging of the fixed frame 5, the flexible rod 57 will also swing slightly, so that the brush 572 can move up and down slightly inside the filter bag 55 to clean the fly ash from incineration on the inner wall of the filter bag 55 to prevent the fly ash from incineration from clogging the filter bag 55.

[0030] See also Figure 3 , Figure 5 , Figure 6 and Figure 7Considering that the waste incineration fly ash with a smaller diameter cannot be filtered by filtering, it is necessary to adsorb it by electrostatic adsorption. The lower end of the connecting frame 56 is rotatably connected with a metal rod 62, and the flexible rod 57 rotates coaxially with the metal rod 62. The flexible rod 57 and the metal rod 62 are fixedly connected by an insulating member. When the flexible rod 57 rotates, the metal rod 62 is driven to rotate. At the same time, the insulating member prevents the charge on the metal rod 62 from being transferred to the flexible rod 57. The metal rod 62 is caused to generate corona discharge by an external power supply to ionize the gas molecules to generate free electrons and ions. The free electrons or ions of the smaller waste incineration fly ash collide and carry an electric charge. The charged particles move toward the dust collecting barrel 6 under the action of the electric field and adhere to the surface of the dust collecting barrel 6. The outer wall of the metal rod 62 is fixed with two symmetrically arranged dust removal plates 61. The dust removal plates 61 are U-shaped and fit the inner and outer surfaces of the dust collecting barrel 6. The metal rod 62 is fixedly connected to the dust removal plates 61. The metal rod 62 and the ash removal plate 61 are fixedly connected by an insulating member to prevent the electric charge on the metal rod 62 from being transferred to the dust collecting tube 6 through the ash removal plate 61 to affect the dust collecting tube 6 to absorb smaller garbage incineration fly ash. The ash removal plate 61 is attached to the surface of the dust collecting tube 6. When the metal rod 62 rotates, the ash removal plate 61 scrapes the surface of the dust collecting tube 6 to scrape off the garbage incineration fly ash absorbed on the surface of the dust collecting tube 6, so as to prevent the garbage incineration fly ash from accumulating too thickly and affecting the adsorption effect of the dust collecting tube 6 on the garbage incineration fly ash. The dust collecting barrel 6 is connected with the filter bag 55, the dust collecting barrel 6 is in the shape of a truncated cone, the dust collecting barrel 6 is small at the top and large at the bottom, the dust removing plate 61 on the dust collecting barrel 6 is in the shape of an arc as a whole, the dust collecting barrel 6 is made of metal, and the dust collecting barrel 6 and the turntable 2 are insulated. By setting the dust collecting barrel 6 in the shape of a truncated cone with a small top and a large bottom, after the high-speed gas passes through the dust collecting barrel 6, due to the tightening effect of the upper end of the dust collecting barrel 6, the flow speed of the high-speed gas is faster, thereby causing the fan blades 571 to rotate.

[0031] When the present invention is used: First, the high-speed gas brings the waste incineration fly ash into the interior of the storage tank body 1 from the feed port 13, and directly brings the waste incineration fly ash to the position below the filter plate 3. The driving device drives the turntable 2 to rotate, prompting the filter plate 3 and the reinforcement plate 4 to rotate. After the high-speed gas brings the waste incineration fly ash to the bottom of the filter plate 3, the stirring frame 42 stirs the waste incineration fly ash to prevent the waste incineration fly ash from agglomerating, and at the same time, the scraper 45 scrapes the waste incineration fly ash inside the storage tank body 1; Then, when the high-speed gas moves upward and passes through the filter disc 3, the filter disc 3 will filter out part of the garbage incineration fly ash in the high-speed gas. As the filter disc 3 rotates, the scraper plate 131 will clean up the dust filtered at the lower end of the filter disc 3. The high-speed gas brings a small amount of garbage incineration fly ash to the dust collecting tube 6 for electrostatic adsorption, adsorbs and removes the small garbage incineration fly ash, and scrapes off the dust collecting tube 6 surface through the dust removing plate 61. The high-speed gas brings the garbage incineration fly ash through the filter bag 55 for final filtration. After filtration, the high-speed gas is discharged through the gas exchange port 11. The garbage incineration fly ash stays on the inner wall of the filter bag 55, and is cleaned out by the swing rod 51 and the brush 572. Next, the garbage incineration fly ash cleaned from the filter bag 55 and the dust collection tube 6 falls on the surface of the filter disc 3. Since the high-speed gas entering from the feed port 13 is directly blown to the lower end of the filter disc 3, the flow velocity in the central part of the filter disc 3 is fast. Taking advantage of the low pressure in the place with fast flow velocity, the garbage incineration fly ash on the surface of the filter disc 3 is attracted to the center and re-enters the bottom of the filter disc 3 for storage; Finally, when it is necessary to discharge the waste incineration fly ash inside the storage tank body 1, the driving device is reversed, the scraper bar 45 and the blade 44 rotate in opposite directions, the blade 44 transports the waste incineration fly ash downward, and the intervals between the blades 44 are conducive to the waste incineration fly ash to quickly reach the screw conveyor body 12. The scraper bar 45 transports the waste incineration fly ash on the inner edge of the storage tank body 1 upward to prevent blockage in the discharge of the waste incineration fly ash, and the waste incineration fly ash inside the storage tank body 1 is discharged through pneumatic conveying and the screw conveyor body 12.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waste incineration fly ash storage tank, comprising a storage tank body (1), wherein the storage tank body (1) comprises a feed inlet (13), a gas exchange port (11), a screw conveyor body (12) and a driving device, characterized in that: A plurality of knocking rods (14) are fixed to the upper end of the storage tank body (1); a rotating disk (2), a filter disk (3) and a reinforcement disk (4) are rotatably connected to the inner wall of the storage tank body (1); the filter disk (3) is located below the rotating disk (2); the reinforcement disk (4) is located below the filter disk (3); two reinforcement disks (4) are symmetrically arranged in the upper and lower parts; a plurality of spiral scraping strips (45) are fixed to the outer wall of the reinforcement disk (4) along its circumference; the rotating disk (2), the filter disk (3) and the reinforcement disk (4) are all fixedly connected to the scraping strips (45); and the reinforcement disk (4) is symmetrically arranged in the upper and lower parts. A fixing rod (41) is fixed at the axial position of the reinforcement plate (4), and a plurality of stirring racks (42) are fixed along the circumference of the outer wall of the fixing rod (41), and gaps are provided between the stirring racks (42). A plurality of blades (44) distributed in a spiral shape are fixed at the lower end of the fixing rod (41), and the spiral directions of the blades (44) and the scraper strips (45) are opposite. A plurality of scrapers (43) are fixed at the bottom of the reinforcement plate (4) at the lower end, and the scrapers (43) and the scraper strips (45) are in contact with the inner wall of the storage tank body (1), and the rotating disk (2) is connected to the driving device in a transmission manner.

2. A waste incineration fly ash storage tank according to claim 1, characterized in that: The lower end of the feed port (13) is fixed with two symmetrically arranged scraping plates (131), the scraping plates (131) are rotatably fitted with the lower end surface of the filter disc (3), the lower end of the feed port (13) passes through the turntable (2), the feed port (13) and the filter disc (3) are concentrically arranged, the feed port (13) is rotatably connected to the turntable (2), and the feed port (13) is fixedly connected to the storage tank body (1).

3. A waste incineration fly ash storage tank according to claim 1, characterized in that: The filter disc (3) is funnel-shaped and is larger at the top and smaller at the bottom. A filter hole is provided on the surface of the filter disc (3). A gap is provided between the filter disc (3) and the rotating disc (2). A through hole in the center of the filter disc (3) corresponds to the lower end of the feed port (13) to facilitate direct passage of waste incineration fly ash through the filter disc (3).

4. A waste incineration fly ash storage tank according to claim 1, characterized in that: The upper end of the rotating disk (2) is provided with two annularly distributed fixing frames (5) along its circumference, the knocking rod (14) is placed between the two annular fixing frames (5), the outer wall of the fixing frame (5) is provided with a long strip through hole, a swing rod (51) is rotatably connected in the through hole, a filter bag (55) is fixed inside the fixing frame (5), an impact block is fixed at the lower end of the knocking rod (14), the diameter of the impact block is slightly larger than the distance between the two annular fixing frames (5), and the lower end of the rotating disk (2) is provided with two annularly distributed dust collecting barrels (6) along its circumference, and the dust collecting barrels (6) correspond to the fixing frames (5) one by one.

5. A waste incineration fly ash storage tank according to claim 4, characterized in that: A bellows (52) is fixed to the lower end of the fixing frame (5), and the bellows (52) is fixedly connected to the turntable (2). A plurality of springs (53) are fixed along the circumference of the lower end of the fixing frame (5), and the springs (53) are fixedly connected to the turntable (2). A plurality of limiting steel wires (54) are fixed to the lower end of the fixing frame (5), and the limiting steel wires (54) are distributed between two of the springs (53), and the limiting steel wires (54) are fixedly connected to the turntable (2).

6. A waste incineration fly ash storage tank according to claim 5, characterized in that: A connecting frame (56) connected to the rotating disk (2) is provided at the lower end of the fixing frame (5), and a flexible rod (57) is rotatably connected to the upper end of the connecting frame (56). The flexible rod (57) is provided with a fan blade (571). A plurality of brushes (572) are fixed to the outer wall of the flexible rod (57), and the length of the brush (572) is greater than the radius of the fixing frame (5).

7. A waste incineration fly ash storage tank according to claim 6, characterized in that: The lower end of the connecting frame (56) is rotatably connected to a metal rod (62), the flexible rod (57) rotates coaxially with the metal rod (62), and the outer wall of the metal rod (62) is fixed with two symmetrically arranged dust removal plates (61), the dust removal plates (61) are U-shaped, the dust removal plates (61) fit the inner and outer surfaces of the dust collecting barrel (6), and the metal rod (62) is connected to the dust removal plates (61).

8. The waste incineration fly ash storage tank according to claim 4, characterized in that: The dust collecting cylinder (6) is in communication with the filter bag (55). The dust collecting cylinder (6) is in the shape of a truncated cone. The dust collecting cylinder (6) is small at the top and large at the bottom. The dust removal plate (61) on the dust collecting cylinder (6) is in the shape of an arc as a whole. The dust collecting cylinder (6) is made of metal. The dust collecting cylinder (6) and the rotating disk (2) are insulated.

9. A method for using a waste incineration fly ash storage tank, according to the waste incineration fly ash storage tank according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1: High-speed gas carries the waste incineration fly ash from the feed port (13) into the interior of the storage tank body (1), and directly brings the waste incineration fly ash to a position below the filter plate (3). The driving device drives the turntable (2) to rotate, causing the filter plate (3) and the reinforcement plate (4) to rotate; S2: After the high-speed gas brings the waste incineration fly ash to the bottom of the filter plate (3), the stirring frame (42) stirs the waste incineration fly ash to prevent the waste incineration fly ash from agglomerating, and at the same time, the scraper (45) scrapes off the waste incineration fly ash inside the storage tank body (1); S3: When the high-speed gas moves upward and passes through the filter plate (3), the filter plate (3) will filter out part of the waste incineration fly ash in the high-speed gas. As the filter plate (3) rotates, the scraper plate (131) will clean up the dust filtered at the lower end of the filter plate (3); S4: The high-speed gas brings a small amount of waste incineration fly ash to the dust collecting tube (6) for electrostatic adsorption, adsorbs and removes the small waste incineration fly ash, and scrapes off the dust on the surface of the dust collecting tube (6) through the ash removal plate (61); S5: The high-speed gas carries the waste incineration fly ash through the filter bag (55) for final filtration. After filtration, the high-speed gas is discharged through the gas exchange port (11). The waste incineration fly ash remains on the inner wall of the filter bag (55) and is cleaned out by the swing rod (51) and the brush (572). S6: The waste incineration fly ash cleaned from the filter bag (55) and the dust collecting tube (6) falls on the surface of the filter plate (3). Since the high-speed gas entering from the feed inlet (13) is directly blown toward the lower end of the filter plate (3), the flow velocity in the central part of the filter plate (3) is fast. By taking advantage of the low pressure in the area with fast flow velocity, the waste incineration fly ash on the surface of the filter plate (3) is attracted to the center and re-enters the bottom of the filter plate (3) for storage; S7: The waste incineration fly ash inside the storage tank body (1) is discharged through pneumatic conveying and the screw conveyor body (12).

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