Fly ash pulping tank assembly for waste incineration power generation

Abstract

The utility model discloses a waste incineration power generation fly ash slurrying tank assembly, which relates to the technical field of fly ash slurrying and comprises a tank body and a sealing assembly. A third electromagnetic valve is installed on the circumferential face of a discharging pipe arranged at the lower end of the surface of the tank body, a support is fixed to the lower end of the tank body, a pressure sensor is installed in the tank body, a feeding opening is formed in the upper end of the tank body, an extrusion assembly is installed at the upper end of the tank body, and a rotating assembly is installed in the tank body. A stirring assembly is mounted on the surface of the rotating assembly, and the extruding assembly is matched with the stirring assembly; the sealing assembly comprises a limiting arc-shaped strip, a sealing disc, a connecting frame, a moving block, a threaded rod and a first motor, the limiting arc-shaped strip is fixed to the upper end of the tank body, the sealing disc is arranged on the side face of the limiting arc-shaped strip, harmful gas leakage can be avoided, and meanwhile uniform stirring can be conducted.

Description

Technical Field

[0001] This utility model relates to the field of fly ash pulping technology, specifically to a fly ash pulping tank assembly for waste incineration power generation. Background Technology

[0002] Waste-to-energy incineration is an important method of solid waste treatment, but it generates a large amount of fly ash during the incineration process, which contains harmful substances such as heavy metals and dioxins. To reduce environmental pollution, fly ash usually needs to undergo stabilization treatment before it can be landfilled or recycled. The slurry mixing tank, as the core equipment for fly ash stabilization treatment, is mainly used to mix fly ash with water or other solidifying agents to form a slurry.

[0003] However, existing fly ash slurry tank assemblies have the following technical defects:

[0004] 1. Insufficient sealing performance

[0005] The pulping process generates vapors containing harmful gases. Existing equipment has poor sealing performance, which can easily lead to leakage of harmful gases, posing a threat to the health of operators and the environment.

[0006] 2. Low mixing efficiency: Fly ash particles are small and have poor flowability. Existing mixing devices are difficult to achieve uniform mixing, which easily leads to fly ash agglomeration and affects the subsequent solidification effect. Therefore, we propose a fly ash slurry preparation tank component for waste incineration power generation. Utility Model Content

[0007] The technical problem to be solved by this utility model is to overcome the existing defects and provide a fly ash slurry tank assembly for waste incineration power generation, which can avoid the leakage of harmful gases and at the same time perform uniform stirring, thus effectively solving the problems in the background art.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a fly ash slurry preparation tank assembly for waste incineration power generation, comprising a tank body and a sealing assembly;

[0009] Tank body: A third solenoid valve is installed on the circumference of the discharge pipe provided at the lower end of the surface. A bracket is fixed at the lower end of the tank body. A pressure sensor is installed inside the tank body. A feeding port is opened at the upper end of the tank body. An extrusion assembly is installed at the upper end of the tank body. A rotating assembly is installed inside the tank body. A stirring assembly is installed on the surface of the rotating assembly. The extrusion assembly and the stirring assembly cooperate with each other.

[0010] The sealing assembly includes a limiting arc strip, a sealing disc, a connecting frame, a movable block, a threaded rod, and a first motor. The limiting arc strip is fixed to the upper end of the tank body. A sealing disc is provided on the side of the limiting arc strip. The sealing disc corresponds to the feeding port. A movable block is fixed on the circumferential surface of the sealing disc. A connecting frame is fixed to the upper end of the tank body. The movable block is slidably connected to the inside of the connecting frame. A threaded hole is opened in the middle of the movable block. A threaded rod is threadedly connected to the inside of the threaded hole. The threaded rod is rotatably connected to the inside of the connecting frame. A first motor is installed on the side of the connecting frame. The output shaft of the first motor is fixed to the end face of the threaded rod. A sealing assembly and an adsorption assembly are installed on the upper end of the sealing disc. The feeding port is sealed by setting the sealing assembly.

[0011] Wherein: the pressure sensor is bidirectionally electrically connected to an external PLC controller, and the input terminals of the third solenoid valve and the first motor are both electrically connected to the output terminals of the external PLC controller.

[0012] Furthermore, the sealing assembly includes an air pump, a T-shaped air injection pipe, a first solenoid valve, and an annular airbag. The air pump is installed at the upper end of the sealing disc, and the T-shaped air injection pipe is fixed inside the air outlet of the air pump. The first solenoid valve is installed at the front end of the surface of the T-shaped air injection pipe. The annular airbag is fixed at the lower end of the sealing disc, and the lower end of the T-shaped air injection pipe is fixed inside the air inlet of the annular airbag. The input ends of the air pump and the first solenoid valve are electrically connected to the output end of an external PLC controller. The gap between the feeding port and the sealing disc is sealed by setting the sealing assembly.

[0013] Furthermore, the adsorption assembly includes an exhaust pipe, a second solenoid valve, an outlet tank, a mesh pipe, and activated carbon. An exhaust port is provided in the middle of the upper end of the sealing disc. An exhaust pipe is fixed inside the exhaust port. A second solenoid valve is installed on the circumferential surface of the exhaust pipe. An outlet tank is fixed to the upper end of the exhaust pipe surface. A mesh pipe is fixed to the upper end of the exhaust pipe. Activated carbon is filled in the gap between the mesh pipe and the outlet tank. The input end of the second solenoid valve is electrically connected to the output end of an external PLC controller. The adsorption assembly adsorbs the discharged harmful gases.

[0014] Furthermore, the rotating assembly includes a second motor, a first gear, a rotating drum, and a gear ring. A rotating hole is provided in the middle of the tank, and a rotating drum is rotatably connected inside the rotating hole. A gear ring is fixed on the circumferential surface of the rotating drum. A second motor is installed at the upper end of the tank, and a first gear is fixed on the output shaft of the second motor. The first gear meshes with the gear ring. The input end of the second motor is electrically connected to the output end of an external PLC controller. The rotating assembly drives the stirring assembly to rotate.

[0015] Furthermore, the stirring assembly includes a rotating shaft, a second gear, a stirring plate, a movable frame, a rack, and a spring. The rotating drum has evenly distributed openings on its circumference. A rotating shaft is rotatably connected inside each opening. A second gear is fixed to the end face of the rotating shaft inside the rotating drum. A stirring plate is fixed to the other end of the rotating shaft. A movable frame is slidably connected inside the rotating shaft. Two corresponding racks are fixed inside the movable frame, each meshing with one of the four second gears. A spring is fixed to the lower side of the movable frame, and the spring is fixed to the lower end inside the rotating drum. The stirring assembly is used to stir fly ash and water.

[0016] Furthermore, the extrusion assembly includes a square rod, a fixed frame, an electric telescopic rod, a connecting plate, and a turntable. The square rod is slidably connected to the upper end of the inside of the rotating drum. The square rod is fixed to the upper side of the moving frame. The fixed frame is fixed to the upper end of the tank. An electric telescopic rod is installed on the upper side of the fixed frame. A connecting plate is fixed to the telescopic arm of the electric telescopic rod. The lower end of the connecting plate is rotatably connected to the turntable. The turntable is fixed to the upper side of the square rod. The input end of the electric telescopic rod is electrically connected to the output end of an external PLC controller. The extrusion assembly is used to extrude the moving frame.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: This waste incineration power generation fly ash slurry tank assembly has the following advantages:

[0018] 1. By setting up the extrusion component, the electric telescopic rod can be activated during use, causing the square rod to move downward. The downward movement of the square rod drives the moving frame downward, which in turn drives the two racks downward. The downward movement of the two racks drives the four second gears to rotate, which in turn drives the four rotating shafts to rotate. The rotation of the four rotating shafts drives the four mixing plates to rotate. In this way, the tilt angle of the four mixing plates can be adjusted. After adjustment, the rotation component is activated, causing all the mixing plates to rotate, which can fully mix fly ash and water and improve the effect of mortar.

[0019] 2. By setting up a sealing component, after the material is injected, the first motor can be started to rotate the threaded rod. The rotation of the threaded rod drives the moving block to move, and the moving block drives the sealing disc to move and contact the limiting arc strip. After contact, the feeding port can be sealed. After sealing, the air pump is started to inject compressed air into the interior of the annular airbag to make it inflate. After inflating, the gap between the sealing disc and the feeding port can be sealed. After sealing, the leakage of harmful gases during the production process can be effectively prevented.

[0020] 3. By setting a pressure sensor to detect the air pressure inside the tank, when the air pressure inside the tank is too high, the external PLC controller will automatically open the second solenoid valve to discharge the gas inside the tank through the exhaust pipe. The discharged gas will enter the interior of the exhaust tank through the mesh pipe. At this time, the activated carbon located inside the exhaust tank will adsorb and filter the exhaust gas, reducing the harmful substances in the exhaust gas. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the front structure of this utility model;

[0022] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;

[0023] Figure 3 This is a schematic diagram of the stirring assembly structure of this utility model;

[0024] Figure 4 This is a schematic diagram of the sealing component structure of this utility model.

[0025] In the diagram: 1. Tank body, 2. Pressure sensor, 3. Feeding port, 4. Extrusion assembly, 41. Square rod, 42. Fixing frame, 43. Electric telescopic rod, 44. Connecting plate, 45. Turntable, 5. Sealing assembly, 51. Limiting arc strip, 52. Sealing plate, 53. Connecting frame, 54. Moving block, 55. Threaded rod, 56. First motor, 6. Sealing assembly, 61. Air pump, 62. T-shaped air injection pipe, 63. First solenoid valve, 64. Annular airbag, 7. Adsorption assembly, 71. Exhaust pipe, 72. Second solenoid valve, 73. Air outlet, 74. Mesh pipe, 75. Activated carbon, 8. Rotating assembly, 81. Second motor, 82. First gear, 83. Rotating drum, 84. Gear ring, 9. Stirring assembly, 91. Rotating shaft, 92. Second gear, 93. Stirring plate, 94. Moving frame, 95. Rack, 96. Spring, 10. Third solenoid valve, 11. Support. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1-4 This embodiment provides a technical solution: a fly ash slurry tank assembly for waste incineration power generation, including a tank body 1 and a sealing assembly 5;

[0028] Tank 1: A third solenoid valve 10 is installed on the circumferential surface of the discharge pipe at the lower end of the surface of the tank 1. A bracket 11 is fixed at the lower end of the tank 1. A pressure sensor 2 is installed inside the tank 1. A feeding port 3 is opened at the upper end of the tank 1. An extrusion assembly 4 is installed at the upper end of the tank 1. A rotating assembly 8 is installed inside the tank 1. A stirring assembly 9 is installed on the surface of the rotating assembly 8. The extrusion assembly 4 and the stirring assembly 9 cooperate with each other. The rotating assembly 8 includes a second motor 81, a first gear 82, a rotating drum 83, and a gear ring 84. A rotating hole is opened in the middle of the tank 1. The rotating connection inside the rotating hole is... A rotating drum 83 is connected to the tank body 1. A gear ring 84 is fixed on the circumference of the rotating drum 83. A second motor 81 is installed at the upper end of the tank body 1. A first gear 82 is fixed on the output shaft of the second motor 81. The first gear 82 meshes with the gear ring 84. The input end of the second motor 81 is electrically connected to the output end of an external PLC controller. The stirring assembly 9 includes a rotating shaft 91, a second gear 92, a stirring plate 93, a moving frame 94, a rack 95, and a spring 96. The rotating drum 83 has evenly distributed openings on its circumference. The rotating shaft 91 is rotatably connected to the inside of the openings. The rotating shaft 91 is located on the rotating drum. A second gear 92 is fixed to the end face inside the rotating drum 83. A stirring plate 93 is fixed to the other end of the rotating shaft 91. A movable frame 94 is slidably connected inside the rotating shaft 91. Two corresponding racks 95 are fixed inside the movable frame 94. The two racks 95 mesh with four second gears 92 respectively. A spring 96 is fixed to the lower side of the movable frame 94. The spring 96 is fixed to the lower end inside the rotating drum 83. The extrusion assembly 4 includes a square rod 41, a fixed frame 42, an electric telescopic rod 43, a connecting plate 44, and a turntable 45. A square rod 41 is slidably connected to the upper end inside the rotating drum 83. Rod 41 is fixed to the upper side of the movable frame 94. A fixed frame 42 is fixed to the upper end of the tank 1. An electric telescopic rod 43 is installed on the upper side of the fixed frame 42. A connecting plate 44 is fixed on the telescopic arm of the electric telescopic rod 43. A turntable 45 is rotatably connected to the lower end of the connecting plate 44. The turntable 45 is fixed to the upper side of the square rod 41. The input end of the electric telescopic rod 43 is electrically connected to the output end of an external PLC controller. The movable frame 94 is squeezed by the extrusion assembly 4. The fly ash and water are stirred by the stirring assembly 9. The stirring assembly 9 is rotated by the rotation assembly 8.

[0029] The sealing component 5 includes a limiting arc strip 51, a sealing disc 52, a connecting frame 53, a moving block 54, a threaded rod 55, and a first motor 56. The limiting arc strip 51 is fixed to the upper end of the tank body 1. A sealing disc 52 is provided on the side of the limiting arc strip 51, corresponding to the feeding port 3. A moving block 54 is fixed to the circumferential surface of the sealing disc 52. A connecting frame 53 is fixed to the upper end of the tank body 1. The moving block 54 is slidably connected inside the connecting frame 53. A threaded hole is opened in the middle of the moving block 54. A threaded rod 55 is threadedly connected to the connecting frame 53. A first motor 56 is mounted on the side of the connecting frame 53, and the output shaft of the first motor 56 is fixed to the end face of the threaded rod 55. A sealing assembly 6 and an adsorption assembly 7 are mounted on the upper end of the sealing disc 52. The sealing assembly 6 includes an air pump 61, a T-shaped air injection pipe 62, a first solenoid valve 63, and an annular airbag 64. An air pump 61 is mounted on the upper end of the sealing disc 52, and a T-shaped air injection pipe 62 is fixed inside the air outlet of the air pump 61. A first solenoid valve 63 is installed at the front end of the surface of the pipe 62. An annular airbag 64 is fixed at the lower end of the sealing disc 52. The lower end of the T-shaped air injection pipe 62 is fixed inside the air inlet of the annular airbag 64. The input ends of the air pump 61 and the first solenoid valve 63 are electrically connected to the output end of an external PLC controller. The adsorption assembly 7 includes an exhaust pipe 71, a second solenoid valve 72, an air outlet 73, a mesh pipe 74, and activated carbon 75. An exhaust port is opened in the middle of the upper end of the sealing disc 52. An exhaust pipe 71 is fixed inside the exhaust port. A second solenoid valve 72 is installed on the circumferential surface of 1. An exhaust pipe 73 is fixed to the upper end of the surface of the exhaust pipe 71. A mesh pipe 74 is fixed to the upper end of the exhaust pipe 71. Activated carbon 75 is filled in the gap between the mesh pipe 74 and the exhaust pipe 73. The input end of the second solenoid valve 72 is electrically connected to the output end of an external PLC controller. The harmful gas discharged is adsorbed by setting an adsorption component 7. The gap between the feeding port 3 and the sealing plate 52 is sealed by setting a sealing component 6. The feeding port 3 is closed by setting a sealing component 5.

[0030] Among them, the pressure sensor 2 is bidirectionally electrically connected to the external PLC controller, and the input terminals of the third solenoid valve 10 and the first motor 56 are both electrically connected to the output terminals of the external PLC controller.

[0031] The working principle of the fly ash slurry tank assembly for waste incineration power generation provided by this utility model is as follows: First, fly ash and water are injected into the tank body 1 through the feeding port 3. After injection, the first motor 56 is started to rotate the threaded rod 55. The rotation of the threaded rod 55 drives the moving block 54 to move. The moving block 54 drives the sealing disc 52 to move and contact the limiting arc strip 51. After contact, the feeding port 3 is closed. After closure, the air pump 61 is started to inject compressed air into the annular airbag 64 to make it inflate. After inflation, the gap between the sealing disc 52 and the feeding port 3 is sealed. After sealing, the electric telescopic rod 43 is started to move the square rod 41 downward. The downward movement of the square rod 41 drives the moving frame 94 downward. The downward movement of the moving frame 94 drives the two racks 95 downward. The downward movement of the two racks 95 drives the four second gears 92 to rotate. 2. The rotation drives four rotating shafts 91 to rotate, which in turn drives four stirring plates 93 to rotate. This allows for adjustment of the tilt angle of the four stirring plates 93. After adjustment, the second motor 81 is started, causing the first gear 82 to rotate. The rotation of the first gear 82 drives the gear ring 84 to rotate, which in turn drives the rotating drum 83 to rotate. The rotation of the rotating drum 83 causes all the stirring plates 93 to rotate, thus fully mixing the fly ash and water. During the mixing process, the pressure sensor 2 detects the air pressure inside the tank 1. When the air pressure inside the tank 1 is too high, the external PLC controller will automatically open the second solenoid valve 72 to discharge the gas inside the tank 1 through the exhaust pipe 71. The discharged gas will enter the interior of the exhaust tank 73 through the mesh pipe 74. At this time, the activated carbon 75 located inside the exhaust tank 73 will adsorb and filter the exhaust gas, reducing the harmful substances in the exhaust gas.

[0032] It is worth noting that the external PLC controller disclosed in the above embodiments is specifically a Siemens S7-200. The first motor 56 and the second motor 81 can be 1LE0003 three-phase asynchronous motors. The electric telescopic rod 43 can be a TGC-A high-thrust electric telescopic rod. The air pump 61, the first solenoid valve 63, the second solenoid valve 72, the third solenoid valve 10, and the pressure sensor 2 can be freely configured according to the actual application scenario. The external PLC controller controls the operation of the first motor 56, the second motor 81, the first solenoid valve 63, the second solenoid valve 72, the third solenoid valve 10, the pressure sensor 2, and the electric telescopic rod 43 using methods commonly used in the prior art.

[0033] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A fly ash slurry tank assembly for a waste incineration power plant, characterized by: Includes a tank body (1) and a sealing assembly (5); Tank (1): A third solenoid valve (10) is installed on the circumferential surface of the discharge pipe provided at the lower end of the surface. A bracket (11) is fixed at the lower end of the tank (1). A pressure sensor (2) is installed inside the tank (1). A feeding port (3) is opened at the upper end of the tank (1). An extrusion assembly (4) is installed at the upper end of the tank (1). A rotating assembly (8) is installed inside the tank (1). A stirring assembly (9) is installed on the surface of the rotating assembly (8). The extrusion assembly (4) and the stirring assembly (9) cooperate with each other. The sealing assembly (5) includes a limiting arc strip (51), a sealing disc (52), a connecting frame (53), a moving block (54), a threaded rod (55), and a first motor (56). The limiting arc strip (51) is fixed at the upper end of the tank body (1). The sealing disc (52) is provided on the side of the limiting arc strip (51). The sealing disc (52) corresponds to the feeding port (3). The moving block (54) is fixed on the circumferential surface of the sealing disc (52). The connecting frame (53) is fixed at the upper end of the tank body (1). The movable block (54) is slidably connected inside the connecting frame (53). A threaded hole is provided in the middle of the movable block (54). A threaded rod (55) is threadedly connected inside the threaded hole. The threaded rod (55) is rotatably connected inside the connecting frame (53). A first motor (56) is installed on the side of the connecting frame (53). The output shaft of the first motor (56) is fixed on the end face of the threaded rod (55). A sealing component (6) and an adsorption component (7) are installed on the upper end of the sealing disc (52). Wherein: the pressure sensor (2) is bidirectionally electrically connected to the external PLC controller, and the input terminals of the third solenoid valve (10) and the first motor (56) are both electrically connected to the output terminal of the external PLC controller.

2. The MSW incineration fly ash slurrying tank assembly of claim 1, wherein: The sealing assembly (6) includes an air pump (61), a T-shaped air injection pipe (62), a first solenoid valve (63), and an annular airbag (64). The air pump (61) is installed at the upper end of the sealing disc (52). The T-shaped air injection pipe (62) is fixed inside the air outlet of the air pump (61). The first solenoid valve (63) is installed at the front end of the surface of the T-shaped air injection pipe (62). The annular airbag (64) is fixed at the lower end of the sealing disc (52). The lower end of the T-shaped air injection pipe (62) is fixed inside the air inlet of the annular airbag (64). The input ends of the air pump (61) and the first solenoid valve (63) are electrically connected to the output end of an external PLC controller.

3. The MSWI fly ash slurrying tank assembly of claim 1, wherein: The adsorption assembly (7) includes an exhaust pipe (71), a second solenoid valve (72), an exhaust tank (73), a mesh pipe (74), and activated carbon (75). An exhaust port is provided in the middle of the upper end of the sealing disc (52). An exhaust pipe (71) is fixed inside the exhaust port. A second solenoid valve (72) is installed on the circumferential surface of the exhaust pipe (71). An exhaust tank (73) is fixed at the upper end of the surface of the exhaust pipe (71). A mesh pipe (74) is fixed at the upper end of the exhaust pipe (71). Activated carbon (75) is filled in the gap between the mesh pipe (74) and the exhaust tank (73). The input end of the second solenoid valve (72) is electrically connected to the output end of an external PLC controller.

4. The MSW incineration fly ash slurrying tank assembly of claim 1, wherein: The rotating assembly (8) includes a second motor (81), a first gear (82), a rotating drum (83), and a gear ring (84). A rotating hole is provided in the middle of the tank (1), and the rotating drum (83) is rotatably connected inside the rotating hole. A gear ring (84) is fixed on the circumferential surface of the rotating drum (83). The second motor (81) is installed at the upper end of the tank (1). The first gear (82) is fixed on the output shaft of the second motor (81). The first gear (82) meshes with the gear ring (84). The input end of the second motor (81) is electrically connected to the output end of an external PLC controller.

5. The MSWI fly ash slurrying tank assembly of claim 4, wherein: The stirring assembly (9) includes a rotating shaft (91), a second gear (92), a stirring plate (93), a moving frame (94), a rack (95), and a spring (96). The rotating drum (83) has evenly distributed openings on its circumferential surface. The rotating shaft (91) is rotatably connected inside the openings. The second gear (92) is fixed on the end face of the rotating shaft (91) inside the rotating drum (83). The stirring plate (93) is fixed on the other end of the rotating shaft (91). The moving frame (94) is slidably connected inside the rotating shaft (91). Two corresponding racks (95) are fixed inside the moving frame (94). The two racks (95) mesh with four second gears (92) respectively. A spring (96) is fixed on the lower side of the moving frame (94). The spring (96) is fixed at the lower end inside the rotating drum (83).

6. The MSWI fly ash slurrying tank assembly of claim 5, wherein: The extrusion assembly (4) includes a square rod (41), a fixed frame (42), an electric telescopic rod (43), a connecting plate (44), and a turntable (45). The upper end of the inside of the rotating drum (83) is slidably connected to the square rod (41). The square rod (41) is fixed on the upper side of the moving frame (94). The upper end of the tank (1) is fixed to the fixed frame (42). The upper side of the fixed frame (42) is equipped with an electric telescopic rod (43). The telescopic arm of the electric telescopic rod (43) is fixed to the connecting plate (44). The lower end of the connecting plate (44) is rotatably connected to the turntable (45). The turntable (45) is fixed on the upper side of the square rod (41). The input end of the electric telescopic rod (43) is electrically connected to the output end of an external PLC controller.

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