Intelligent anti-blocking ash discharging bin for coal ash of thermal power plant

Abstract

The invention discloses an intelligent thermal power plant fly ash anti-blocking type ash discharging bin which comprises a bottom plate, a vertical frame, an ash discharging bin, an ash filtering anti-blocking mechanism, an ash discharging mechanism and a transferring mechanism, and the ash filtering anti-blocking mechanism comprises a driving motor, a transmission gear, a sliding frame, a sliding groove, a sliding block, an ash filtering box, a limiting groove and a limiting block. The ash discharging mechanism comprises an air cylinder support, a telescopic air cylinder, a movable support, an adjusting rod, a fixed support and an ash discharging cover plate. The transferring mechanism comprises a rotating motor, a supporting disc, a push plate and an ash receiving box. The invention belongs to the technical field of coal ash bins. A driving motor is started to drive an ash filtering box to automatically translate in a reciprocating mode to filter and screen coal ash falling on the upper portion to prevent blockage of large-particle impurities. Two groups of telescopic cylinders are opened to shrink to drive two groups of ash discharge cover plates at the bottom of the ash discharge bin to be opened, so that fly ash is quantitatively discharged; the rotating motor is started to drive the pushing plates to rotate, so that the ash receiving boxes are conveniently pushed to slide to the bottom of the ash discharging bin to receive and transfer discharged coal ash.

Description

Technical Field

[0001] The invention belongs to the technical field of coal ash silos, and specifically refers to an intelligent anti-blocking ash silo for fly ash in thermal power plants. Background Art

[0002] Fly ash from thermal power plants is a fine particle material containing silicates, oxides, alumina and other components produced during the coal combustion process. In order to reduce environmental pollution and resource waste and promote the effective recovery and utilization of fly ash, ash silos are needed to collect and store fly ash.

[0003] Most of the existing fly ash silos for thermal power plants are container tanks that only have the function of storing ash. It is inconvenient to pre-automatically oscillate and screen the fly ash to prevent large particles from clogging the ash outlet of the silo, and it is inconvenient to automatically open and close the outlet to adjust the ash discharge amount according to the discharge demand of the fly ash silo, and it is inconvenient to equip the discharged fly ash with a convenient transfer material holding structure. Therefore, there is an urgent need for an intelligent anti-blocking ash silo for fly ash in thermal power plants to solve the above problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is that the fly ash silo used for the current intelligent thermal power plant is inconvenient to pre-screen the fly ash to prevent clogging of the ash outlet, and it is also inconvenient to automatically open and close the ash outlet to adjust the ash output, and it is inconvenient to receive and transport the discharged fly ash.

[0005] In order to achieve the above functions, the technical solution adopted by the present invention is as follows: an intelligent anti-blocking ash silo for fly ash in thermal power plants, comprising a bottom plate and a vertical frame relatively fixed to the bottom plate, an ash silo is fixedly provided on the top of the vertical frame, and also comprises an ash filter anti-blocking mechanism, the ash filter anti-blocking mechanism is arranged in the ash silo, and also comprises an ash discharging mechanism, the ash discharging mechanism is arranged at the bottom of the ash silo, and also comprises a transfer mechanism, the transfer mechanism is arranged on the bottom plate.

[0006] In order to smoothly achieve the purpose of pre-screening the fly ash and prevent large particles from clogging the ash outlet, the ash filter anti-blocking mechanism includes a driving motor fixedly connected to the top of one side wall of the ash bin, the output end of the driving motor is connected to a transmission gear, and the transmission gear is meshed with a sliding frame, and a slide groove is relatively provided on one side wall of the ash bin, and a sliding block fixed to the edge of the sliding frame is slidably connected to the slide groove, an ash filter box is fixed on the sliding frame, and a limit groove is provided on the other side wall of the ash bin, and a limit block fixed to the other end of the ash filter box is slidably connected to the limit groove.

[0007] In order to smoothly achieve the purpose of automatically opening and closing the ash outlet of the ash hopper to adjust the ash discharge amount, the ash discharge mechanism includes a cylinder support fixedly connected to the bottom of one side wall of the ash hopper, a telescopic cylinder fixedly connected to the side wall of the cylinder support is penetrated by the side wall of the cylinder support, the telescopic end of the telescopic cylinder is connected to a movable support, an adjustment rod is rotatably connected between the two side walls of the movable support, the other end of the adjustment rod is rotatably connected to a fixed support, and an ash discharge cover plate hinged to the bottom of the ash hopper is fixedly connected to the top wall of the fixed support.

[0008] In order to smoothly achieve the purpose of conveniently collecting and transporting the discharged fly ash, the transport mechanism includes a rotating motor fixedly connected to the base plate, a support plate fixedly provided on the top of the rotating motor and connected to the base plate, and push plates are evenly distributed on the output end of the rotating motor, and an ash receiving box slidably arranged on the top wall of the support plate is fitted on the push plate.

[0009] Furthermore, transparent windows are relatively fixedly connected to the two side walls of the ash placing bin, a feeding hopper is fixedly provided on the top of the ash placing bin, and a reinforcing plate fixedly connected to the bottom wall of the support plate is fixedly provided on the bottom plate.

[0010] The transmission gear is provided with teeth evenly distributed at sixty degrees, and the top wall and the bottom wall of the sliding frame are provided with straight teeth meshing with the teeth on the transmission gear.

[0011] Preferably, the bottom plate is T-shaped, the vertical frame is in an inverted L-shape, the bottom of the ash bin is V-shaped and ash outlets are provided on two inclined walls, and the push plate is semicircular.

[0012] The beneficial effects achieved by the present invention using the above structure are as follows:

[0013] 1. By turning on the driving motor, the transmission gear can be driven to mesh with the sliding frame. The reciprocating sliding frame can drive the ash filter box to automatically reciprocate and translate the fly ash falling on the upper part to filter the ash to prevent large particles from blocking the ash outlet at the bottom of the ash bin;

[0014] 2. By opening the two sets of telescopic cylinders to contract and drive the adjusting rod to rotate, it is convenient to drive the two sets of ash discharge covers at the bottom of the ash bin to open so that the fly ash can be discharged quantitatively;

[0015] 3. By turning on the rotating motor to drive each group of push plates to rotate, it is convenient to push each group of ash receiving boxes to slide to the bottom of the ash bin to receive and transport the discharged fly ash. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of an intelligent anti-blocking ash silo for fly ash in thermal power plants proposed in this scheme;

[0017] Figure 2This is a schematic diagram of the structure from another angle of an intelligent anti-blocking ash silo for fly ash in thermal power plants proposed in this scheme;

[0018] Figure 3 This is a cross-sectional view of an intelligent anti-blocking ash silo for fly ash in thermal power plants proposed in this scheme;

[0019] Figure 4 For this solution Figure 3 A magnified view of part A in FIG.

[0020] Figure 5 This is a cross-sectional view of an intelligent anti-blocking ash silo for fly ash in thermal power plants proposed in this scheme;

[0021] Figure 6 This is a cross-sectional view from another angle of the intelligent anti-blocking ash silo for fly ash in thermal power plants proposed in this plan.

[0022] Among them, 1. bottom plate; 2. stand; 3. ash bin; 4. ash filter anti-blocking mechanism; 5. ash discharge mechanism; 6. transfer mechanism; 7. drive motor; 8. transmission gear; 9. sliding frame; 10. slide groove; 11. slider; 12. ash filter box; 13. limit groove; 14. limit block; 15. cylinder support; 16. telescopic cylinder; 17. movable support; 18. adjustment rod; 19. fixed support; 20. ash discharge cover plate; 21. rotating motor; 22. support plate; 23. push plate; 24. ash receiving box.

[0023] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] like Figure 1-3As shown, in order to achieve the above functions, the technical scheme adopted by the present invention is as follows: an intelligent anti-blocking ash silo for fly ash in a thermal power plant, comprising a T-shaped bottom plate 1, and a vertical frame 2 relatively fixed to the bottom plate 1 and arranged in an inverted L shape, the top of the vertical frame 2 is fixedly provided with an ash silo 3 for storing fly ash, and transparent windows are relatively fixed on the two side walls of the ash silo 3 for conveniently viewing the storage situation of the internal fly ash, and the top of the ash silo 3 is fixedly provided with a feeding hopper for convenient fly ash delivery, the bottom of the ash silo 3 is V-shaped and ash outlets are provided on the two inclined walls, and also includes an ash filtering and anti-blocking mechanism 4, which is arranged in the ash silo 3 to filter the delivered fly ash, and also includes an ash discharging mechanism 5, which is arranged at the bottom of the ash silo 3 and can automatically discharge the stored fly ash, and also includes a transfer mechanism 6, which is arranged on the bottom plate 1 and can receive and transport the discharged fly ash.

[0026] like Figure 2 , 4 As shown in , 5 and 6, the ash filter anti-blocking mechanism 4 includes a driving motor 7 fixedly connected to the top of one side wall of the ash bin 3, the output end of the driving motor 7 is connected to a transmission gear 8, the transmission gear 8 is provided with teeth evenly distributed at sixty degrees, the transmission gear 8 is meshed with a sliding frame 9, the top and bottom walls of the sliding frame 9 are provided with straight teeth meshing with the teeth on the transmission gear 8, the teeth on the transmission gear 8 intermittently mesh with the straight teeth on the sliding frame 9 to drive the sliding frame 9 to reciprocate. A slide groove 10 is relatively provided on one side wall of the ash bin 3, a slider 11 fixed to the edge of the sliding frame 9 is slidably connected to the slide groove 10, an ash filter box 12 is fixedly provided on the sliding frame 9, a limiting groove 13 is provided on the other side wall of the ash bin 3, a limiting block 14 fixed to the other end of the ash filter box 12 is slidably connected to the limiting groove 13, and the reciprocating filter box 12 can be limited and supported by the slide groove 10 and the limiting block 14.

[0027] like Figure 5 As shown, the ash discharging mechanism 5 includes a cylinder support 15 fixedly connected to the bottom of one side wall of the ash bin 3, a telescopic cylinder 16 fixedly connected to the side wall of the cylinder support 15 is penetrated, the telescopic end of the telescopic cylinder 16 is connected to a movable support 17, an adjusting rod 18 is rotatably connected between the two side walls of the movable support 17, the telescopic cylinder 16 drives two groups of adjusting rods 18 to rotate and adjust, the other end of the adjusting rod 18 is rotatably connected to a fixed support 19, the top wall of the fixed support 19 is fixedly connected to an ash discharging cover plate 20 hinged to the bottom of the ash bin 3, and the rotating and adjusted adjusting rod 18 can drive the ash discharging cover plate 20 to open and close at the bottom of the ash bin 3.

[0028] like Figure 1 , 2As shown in Figure 5, the transfer mechanism 6 includes a rotating motor 21 fixedly connected to the base plate 1, a support plate 22 fixedly connected to the base plate 1 is fixedly arranged on the top of the rotating motor 21, a reinforcing plate fixedly connected to the bottom wall of the support plate 22 is fixedly arranged on the base plate 1, and a push plate 23 arranged in a semicircular shape is evenly distributed on the output end of the rotating motor 21. An ash receiving box 24 slidably arranged on the top wall of the support plate 22 is fitted on the push plate 23, and the rotating push plate 23 can automatically push each group of ash receiving boxes 24 so that it can switch at the bottom of the ash bin 3 to receive the fly ash in groups.

[0029] During specific use, the user puts fly ash into the ash filter box 12 from the feeding hopper on the top of the ash bin 3, and then turns on the driving motor 7 to drive the transmission gear 8 to rotate. The teeth on the transmission gear 8 are intermittently meshed with the straight teeth on the sliding frame 9, thereby driving the sliding frame 9 and the sliding block 11 to slide back and forth along the slide groove 10, and the ash filter box 12 moves back and forth accordingly. At the same time, the limit groove 13 at the other end of the ash filter box 12 slides back and forth along the limit block 14 to limit, and the fly ash in the ash filter box 12 is filtered and sieved to the bottom of the ash bin 3. In this way, large particles of debris can be left in the ash filter box 12 to prevent them from falling and blocking the ash outlet at the bottom of the ash bin 3. The ash bin 3 can store the fly ash after filtration, and the internal fly ash storage situation can be viewed through the transparent window. When the fly ash needs to be discharged for subsequent use, the rotating motor 21 is turned on to drive each group of push plates 23 to rotate, and the push plates 23 push each group of ash boxes 24 The top of the support plate 22 slides, and the rotating motor 21 is stopped after one of the ash receiving boxes 24 moves to the bottom of the ash placing bin 3, and then the two telescopic cylinders 16 are opened to contract and drive the movable support 17 to move. Then the two ends of the two adjusting rods 18 are respectively rotated along the movable support 17 and the fixed support 19 to adjust the angle, thereby driving the two ash discharging cover plates 20 to rotate and separate from the bottom of the ash placing bin 3, so as to facilitate the discharge of the fly ash stored in the ash placing bin 3 from the bottom ash outlet, and the ash receiving box 24 below receives the fly ash. Turning on the rotating motor 21 again can push the other ash receiving boxes 24 to slide to the bottom of the ash placing bin 3 to receive the fly ash in groups. After the fly ash is discharged quantitatively, the two telescopic cylinders 16 are opened to extend and drive the ash discharging cover plates 20 to rotate again to close the ash outlet at the bottom of the ash placing bin 3. The above is the entire use process of the anti-blocking ash placing bin for fly ash in the entire intelligent thermal power plant.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] 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.

[0032] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. An intelligent anti-blocking ash silo for fly ash in thermal power plants, comprising a bottom plate and a stand fixedly connected to the bottom plate, wherein an ash silo is fixedly provided on the top of the stand, and characterized in that: It also includes an ash filter anti-blocking mechanism, which is arranged in the ash bin, an ash discharging mechanism, which is arranged at the bottom of the ash bin, and a transfer mechanism, which is arranged on the bottom plate.

2. According to claim 1, an intelligent anti-blocking ash discharge silo for fly ash in thermal power plants is characterized by: The ash filter anti-blocking mechanism includes a driving motor fixedly connected to the top of one side wall of the ash bin, the output end of the driving motor is connected to a transmission gear, and a sliding frame is meshedly connected to the transmission gear. A sliding groove is relatively provided on one side wall of the ash bin, and a sliding block fixed to the edge of the sliding frame is slidably connected to the sliding groove, an ash filter box is fixed on the sliding frame, and a limiting groove is provided on the other side wall of the ash bin, and a limiting block fixed to the other end of the ash filter box is slidably connected to the limiting groove.

3. The intelligent anti-blocking ash discharge silo for fly ash in thermal power plants according to claim 2 is characterized by: The ash discharging mechanism includes a cylinder support fixedly connected to the bottom of one side wall of the ash bin, a telescopic cylinder fixedly connected to the side wall of the cylinder support is penetrated by the side wall of the cylinder support, the telescopic end of the telescopic cylinder is connected to a movable support, an adjustment rod is rotatably connected between the two side walls of the movable support, the other end of the adjustment rod is rotatably connected to a fixed support, and an ash discharging cover plate hinged to the bottom of the ash bin is fixedly connected to the top wall of the fixed support.

4. The intelligent anti-blocking ash silo for fly ash in thermal power plants according to claim 3 is characterized by: The transfer mechanism includes a rotating motor fixedly connected to a bottom plate, a supporting plate fixedly provided on the top of the rotating motor and connected to the bottom plate, a push plate evenly distributed in a circle on the output end of the rotating motor, and an ash receiving box slidably provided on the top wall of the supporting plate.

5. The intelligent anti-blocking ash discharge silo for fly ash in thermal power plants according to claim 4 is characterized by: Transparent windows are relatively fixedly connected to the two side walls of the ash placing bin, a feeding hopper is fixedly provided on the top of the ash placing bin, and a reinforcing plate fixedly connected to the bottom wall of the support plate is fixedly provided on the bottom plate.

6. The intelligent anti-blocking ash discharge silo for fly ash in thermal power plants according to claim 5, characterized in that: The transmission gear is provided with teeth evenly distributed at sixty degrees, and the top wall and the bottom wall of the sliding frame are both provided with straight teeth meshing with the teeth on the transmission gear.

7. The intelligent anti-blocking ash discharge silo for fly ash in thermal power plants according to claim 6, characterized in that: The bottom plate is arranged in a T shape, the vertical frame is arranged in an inverted L shape, the bottom of the ash bin is arranged in a V shape and ash outlets are arranged on two inclined walls, and the push plate is arranged in a semicircular ring shape.

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