Power plant fly ash sorting machine

Abstract

The invention discloses a power plant coal ash sorting machine, and relates to the technical field of coal ash sorting. Comprising a sorting pipe, a plurality of sliding openings are formed in the top side of the sorting pipe, a sorting frame is slidably connected between the inner walls of the sliding openings, a powder selecting frame is arranged between the inner walls of the sorting frames, and a powder selecting filter screen is fixedly connected between the inner walls of the powder selecting frames; and one end of the sorting pipe is fixedly communicated with an air blowing pipe. Through arrangement of the sorting frame, the powder sorting filter screen in the sorting pipe can be taken out of the sorting frame along with extraction of the sorting frame, meanwhile, an embedding groove is formed in the sorting frame and used for containing the powder sorting frame provided with the powder sorting filter screen, the powder sorting frame is fixed through a fastening buckle strip, and after the sorting frame is extracted, the powder sorting filter screen can be taken out of the sorting frame. And the powder selecting frame can be separated from the sorting frame by turning over the fastening buckle strip, so that a worker can replace the worn filter screen conveniently, and the sorting quality of the coal ash is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of fly ash sorting, in particular to a fly ash sorting machine for a power plant. Background Art

[0002] A sorting machine is a device that performs weight classification and screening on products. In the thermal power industry, in order to fully utilize coal as fuel and reduce the pollution of combustion products to the environment, coal is generally processed into fly ash and then blown into the combustion furnace for combustion. Therefore, a sorting machine is required to distinguish the processed fly ash according to the size of fly ash particles, and according to the different sizes of fly ash, it is applied to different occasions. An existing fly ash sorting machine (Announcement No.: CN211247341U) has at least the following defects in use:

[0003] In the above scheme, a first screen, a second screen, a third screen and a cleaning plate are provided. Under the action of a motor, the cleaning plate rotates on the lower surfaces of the first screen, the second screen and the third screen to remove fly ash adhering to the lower surfaces of the first screen, the second screen and the third screen to avoid clogging of the screen. However, in actual use, the coal ash will cause certain wear to the screen when passing through the screen. After long-term use, the mesh size of the screen will be enlarged, which will hinder the coal ash sorting work. Therefore, a power plant fly ash sorting machine is developed. Summary of the invention

[0004] The main purpose of the present invention is to provide a fly ash separator for a power plant, which can effectively solve the problems in the background technology.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] A fly ash sorting machine for a power plant comprises a sorting pipe, a plurality of sliding openings are provided on the top side of the sorting pipe, a sorting frame is slidably connected between the inner walls of each of the sliding openings, a powder selection frame is arranged between the inner walls of the sorting frames, a powder selection filter is fixedly connected between the inner walls of each of the powder selection frames, one end of the sorting pipe is fixedly connected to an air blast pipe, the other end of the sorting pipe is fixedly connected to a powder outlet hose, one end of each of the powder selection frames facing the corresponding sliding opening is inclined in the direction of the air blast pipe, the top side of each of the sorting frames is fixedly connected to a backblowing hose, the bottom side of each of the sorting frames is fixedly connected to a powder outlet pipe, and each of the sorting frames and the corresponding powder outlet pipe are distributed on both sides of the corresponding powder selection filter.

[0007] Preferably, each of the sorting frames is provided with an embedding groove on the inner wall of the top side of one end facing the air blast tube, and each of the sorting frames is provided with another embedding groove on the inner wall of the bottom side of one end facing away from the air blast tube, and the upper and lower outer edges of each of the powder selection frames are respectively fitted with the corresponding inner walls of the embedding grooves.

[0008] Preferably, each of the sorting frames is rotatably connected to a fastening strip on the inner wall of the top side of one end facing the air blast tube, and each of the sorting frames is rotatably connected to another fastening strip on the inner wall of the bottom side of one end facing away from the air blast tube, each of the fastening strips is snapped into engagement with the inner wall of the corresponding engaging groove, and each of the fastening strips is tightly attached to the outer wall of the corresponding powder selection frame on one side facing the inside of the corresponding sorting frame, and a lever piece is fixedly connected to the outer edge of each of the fastening strips.

[0009] Preferably, a back-blowing port is provided on the top side of each of the sorting frames, and a partition rotating plate is rotatably connected to the top side of each of the sorting frames, and each of the partition rotating plates corresponds to the corresponding back-blowing port, and a connecting ring is fixedly connected to the top side of each of the sorting frames, a circle of ventilation pipes is fixedly connected to the top side of the connecting ring, and the top side of each of the ventilation pipes is fixedly connected to a circle of connecting pipes, and each of the connecting pipes is connected to a back-blowing hose.

[0010] Preferably, one side of each of the connecting rings is open, one side of each of the dividing rotating plates is in contact with the inner wall of the corresponding connecting ring, the top side of each of the dividing rotating plates is in contact with the bottom side of the corresponding ventilation pipe, and the top side of each of the sorting frames is fixedly connected to a rotating motor, and the output end of each of the rotating motors is fixedly connected to the corresponding dividing rotating plate.

[0011] Preferably, a powder outlet is provided on the bottom side of each of the sorting frames, a circle of powder outlet hopper tube is fixedly connected between the inner walls of each of the powder outlets, each of the powder outlet hopper tubes passes through the sorting tube and extends to the inside of the corresponding powder outlet tube, a lift is fixedly connected to the outside of the bottom end of each of the powder outlet tubes, the output end of each of the lifts extends to the inside of the powder outlet tube and is fixedly connected to a powder outlet valve plate, and the top side of each of the powder outlet valve plates fits against the inner wall of the corresponding powder outlet hopper tube.

[0012] Preferably, the bottom inner wall of each powder outlet pipe is fixedly connected to a material guide slope, one side of each powder outlet pipe is fixedly connected to a powder passing tube, the bottom inner wall of each powder passing tube is flush with the top side of the corresponding material guide slope, and the ends of all the powder passing tubes facing away from the corresponding powder outlet pipe are commonly connected to a collecting frame.

[0013] Preferably, a plurality of partition plates are installed between the inner walls of the collecting frame, and the inner walls of the collecting frame are divided into a plurality of chambers by the partition plates, each of the powder outlet pipes and the powder outlet hose are connected to the interior of a chamber, the outer side of the collecting frame is fixedly connected to a powder discharge pipe corresponding one-to-one to the chamber, the outer side of each of the powder discharge pipes is rotatably connected to a sealing plate, and the outer side of the collecting frame is fixedly provided with an observation window corresponding one-to-one to the chamber.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] Through the setting of the sorting frame, the powder selection filter in the sorting tube can be taken out of the sorting frame as the sorting frame is pulled out. At the same time, an interlocking groove is opened in the sorting frame to place the powder selection frame installed with the powder selection filter, and the powder selection frame is fixed with a fastening buckle strip. After the sorting frame is pulled out, the powder selection frame can be removed from the sorting frame by flipping the fastening buckle strip, which makes it convenient for the staff to replace the worn filter and ensure the sorting quality of fly ash. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is an isometric view of the present invention;

[0017] Figure 2 It is a schematic diagram of the structure of the sorting tube of the present invention;

[0018] Figure 3 It is a schematic diagram of the structure of the selection frame of the present invention;

[0019] Figure 4 It is a schematic diagram of the backflush structure of the present invention;

[0020] Figure 5 It is a schematic diagram of the powder discharge pipe structure of the present invention;

[0021] Figure 6 This is a schematic diagram of the powder inlet pipe structure of the present invention;

[0022] Figure 7 It is a schematic diagram of the collection frame structure of the present invention.

[0023] In the figure: 101, sorting pipe; 102, powder outlet; 201, sorting frame; 202, lifting handle; 203, fitting groove; 204, fastening buckle strip; 205, powder discharge hopper; 206, powder selection frame; 207, pull plate; 208, powder selection filter; 301, backflush hose; 302, connecting pipe; 303, ventilation pipe; 304, connecting ring; 305, rotating motor; 306, partitioning rotor; 401, powder discharge pipe; 402, powder discharge valve plate; 403, material guide slope; 404, elevator; 405, powder pipe; 501, air blow pipe; 502, feed hopper; 503, air inlet pipe; 601, collecting frame; 602, partition plate; 603, powder discharge pipe; 604, blocking plate; 605, observation window; 606, connecting top plate. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] See also Figure 1-Figure 7 , the present invention provides a technical solution:

[0028] A fly ash separator for a power plant includes a separator 101, a plurality of sliding openings are provided on the top side of the separator 101, a separator frame 201 is slidably connected between the inner walls of each sliding opening, a powder selection frame 206 is provided between the inner walls of the separator 201, a powder selection filter screen 208 is fixedly connected between the inner walls of each powder selection frame 206, one end of the separator 101 is fixedly connected to an air blow pipe 501, and the other end of the separator 101 is fixedly connected to a powder outlet hose. In this embodiment, A feed hopper 502 is fixedly connected to the top side of the air blast pipe 501, which is used to introduce the fly ash to be sorted into the air blast pipe 501, and an air inlet pipe 503 is fixedly connected to the end of the air blast pipe 501 facing away from the sorting pipe 101. The outer end of the air inlet pipe 503 is connected to an air pump, which blows air into the air blast pipe 501 to blow the fly ash raw material into the sorting pipe 101. The powder selection filter 208 reduces the filter hole size as the distance between it and the air blast pipe 501 increases, thereby blocking the fly ash with larger size.

[0029] The end of each powder selection frame 206 facing the corresponding sliding port is inclined in the direction of the air blast pipe 501, the top side of each selection frame 201 is fixedly connected to a back-blowing hose 301, the bottom side of each selection frame 201 is fixedly connected to a powder outlet pipe 401, and each selection frame 201 and the corresponding powder outlet pipe 401 are distributed on both sides of the corresponding powder selection filter 208. An interlocking groove 203 is provided on the inner wall of the top side of one end of each selection frame 201 facing the air blast pipe 501, and another interlocking groove 203 is provided on the inner wall of the bottom side of one end of each selection frame 201 facing away from the air blast pipe 501, and the upper and lower outer edges of each powder selection frame 206 are respectively fitted with the inner walls of the corresponding interlocking groove 203. A fastening strip 204 is rotatably connected to the inner wall of the top side of one end of each sorting frame 201 facing the air blast tube 501, and another fastening strip 204 is rotatably connected to the inner wall of the bottom side of one end of each sorting frame 201 facing away from the air blast tube 501. Each fastening strip 204 is snapped with the inner wall of the corresponding interlocking groove 203, and the side of each fastening strip 204 facing the inside of the corresponding sorting frame 201 is tightly attached to the outer wall of the corresponding powder selection frame 206, and a pull piece 207 is fixedly connected to the outer edge of each fastening strip 204. In this embodiment, a lifting handle 202 is fixedly connected to the top side of each sorting frame 201, so that the staff can take out the sorting frame 201 conveniently, and the setting of the pull piece 207 makes it convenient for the staff to pull the fastening strip 204 to take out the powder selection frame 206. The outer side of each back-blowing hose 301 is connected to a back-blowing air pump, which blows the fly ash intercepted by each powder selection filter 208 into the corresponding powder outlet pipe 401 .

[0030] Each sorting frame 201 has a back-blowing port on the top side, and each sorting frame 201 has a partitioning rotating piece 306 rotatably connected to the top side, and each partitioning rotating piece 306 corresponds to the corresponding back-blowing port. Each sorting frame 201 has a connecting ring piece 304 fixedly connected to the top side, and a circle of ventilating pipes 303 fixedly connected to the top side of the connecting ring piece 304. The top side of each ventilating pipe 303 is fixedly connected to a circle of connecting pipes 302, and each connecting pipe 302 is connected to a back-blowing hose 301. One side of each connecting ring piece 304 is open, one side of each partitioning rotating piece 306 is in contact with the inner wall of the corresponding connecting ring piece 304, the top side of each partitioning rotating piece 306 is in contact with the bottom side of the corresponding ventilating pipe 303, and each sorting frame 201 has a rotating motor 305 fixedly connected to the top side, and the output end of each rotating motor 305 is fixedly connected to the corresponding partitioning rotating piece 306. In this embodiment, when the fly ash is introduced, the corresponding back-blowing hose 301 is blocked by the partition rotor 306 , and after the fly ash is sorted, the back-blowing air pump is used to blow the fly ash accumulated in the re-sorting pipe 101 into the corresponding powder outlet pipe 401 .

[0031] A powder outlet 102 is provided on the bottom side of each sorting frame 201, and a circle of powder outlet hopper tube 205 is fixedly connected between the inner walls of each powder outlet 102. Each powder outlet hopper tube 205 penetrates the sorting tube 101 and extends to the inside of the corresponding powder outlet tube 401. A lift 404 is fixedly connected to the outside of the bottom end of each powder outlet tube 401. The output end of each lift 404 extends to the inside of the powder outlet tube 401 and is fixedly connected to a powder outlet valve plate 402. The top side of each powder outlet valve plate 402 fits against the inner wall of the corresponding powder outlet hopper tube 205. The inner wall of the bottom side of each powder outlet pipe 401 is fixedly connected to a material guide slope 403, and one side of each powder outlet pipe 401 is fixedly connected to a powder passing pipe 405, and the inner wall of the bottom side of each powder passing pipe 405 is flush with the top side of the corresponding material guide slope 403. The ends of all powder passing pipes 405 facing away from the corresponding powder outlet pipe 401 are connected to a connecting top plate 606, and the bottom side of the connecting top plate 606 is fixedly connected to a collecting frame 601. In this embodiment, the connection of the powder outlet pipe 401 is controlled by the operation of the elevator 404.

[0032] Multiple partition plates 602 are installed between the inner walls of the collection frame 601, and the inner wall of the collection frame 601 is divided into multiple chambers by the partition plates 602. Each powder outlet pipe 401 and the powder outlet hose are connected to the inside of a chamber. The outer side of the collection frame 601 is fixedly connected with a powder discharge pipe 603 corresponding to the chamber one by one. The outer side of each powder discharge pipe 603 is rotatably connected with a blocking piece 604. The outer side of the collection frame 601 is fixedly opened with an observation window 605 corresponding to the chamber one by one. In this embodiment, fly ash of different sizes enters different chambers in the collection frame 601, and the amount of fly ash in each chamber is observed through the observation window 605.

[0033] It should be noted that the present invention is a fly ash sorting machine for a power plant. When in use, the corresponding backflush hose 301 must first be sealed with the partition rotor 306, and the fly ash to be sorted must be blown into the sorting tube 101 for graded screening using the air inlet pipe 503. After the screening is completed, the fly ash remaining in the sorting tube 101 is blown into the collecting frame 601 for collection using the backflush hose 301. After long-term use, each sorting frame 201 must be pulled out and the powder selection filter 208 must be replaced.

[0034] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached embodiments and their equivalents.

Claims

1. A fly ash separator for a power plant, comprising a separator tube (101), characterized in that: The top side of the sorting tube (101) is provided with a plurality of sliding openings, and a sorting frame (201) is slidably connected between the inner walls of each of the sliding openings, a powder selection frame (206) is provided between the inner walls of the sorting frames (201), and a powder selection filter (208) is fixedly connected between the inner walls of each of the powder selection frames (206), one end of the sorting tube (101) is fixedly connected to an air blowing pipe (501), and the other end of the sorting tube (101) is connected to a powder filter (208). A powder outlet hose is fixedly connected thereto, one end of each powder selection frame (206) facing the corresponding sliding port is inclined in the direction of the air blow pipe (501), the top side of each selection frame (201) is fixedly connected thereto with a back-blowing hose (301), the bottom side of each selection frame (201) is fixedly connected thereto with a powder outlet pipe (401), and each selection frame (201) and the corresponding powder outlet pipe (401) are distributed on both sides of the corresponding powder selection filter (208).

2. A fly ash separator for power plants according to claim 1, characterized in that: An engaging groove (203) is provided on the inner wall of the top side of one end of each of the selection frames (201) facing the air blast tube (501), and another engaging groove (203) is provided on the inner wall of the bottom side of one end of each of the selection frames (201) facing away from the air blast tube (501). The outer edges of the upper and lower ends of each of the powder selection frames (206) are respectively fitted with the inner walls of the corresponding engaging grooves (203).

3. A fly ash separator for power plants according to claim 2, characterized in that: A fastening strip (204) is rotatably connected to the inner wall of the top side of one end of each sorting frame (201) facing the air blast tube (501), and another fastening strip (204) is rotatably connected to the inner wall of the bottom side of one end of each sorting frame (201) facing away from the air blast tube (501). Each fastening strip (204) is snap-fitted to the inner wall of the corresponding engaging groove (203), and one side of each fastening strip (204) facing the inside of the corresponding sorting frame (201) is tightly attached to the outer wall of the corresponding powder selection frame (206), and the outer edge of each fastening strip (204) is fixedly connected to a lever (207).

4. A fly ash separator for power plants according to claim 1, characterized in that: A back-blowing port is provided on the top side of each of the sorting frames (201), and a partition rotating plate (306) is rotatably connected to the top side of each of the sorting frames (201), and each of the partition rotating plates (306) corresponds to the corresponding back-blowing port. A connecting ring plate (304) is fixedly connected to the top side of each of the sorting frames (201), and a circle of ventilation pipes (303) are fixedly connected to the top side of the connecting ring plate (304), and each of the ventilation pipes (303) is fixedly connected to a circle of connecting pipes (302) on the top side, and each of the connecting pipes (302) is connected to a back-blowing hose (301).

5. A fly ash separator for power plants according to claim 4, characterized in that: One side of each connecting ring (304) is open, one side of each separating rotating piece (306) is in contact with the inner wall of the corresponding connecting ring (304), the top side of each separating rotating piece (306) is in contact with the bottom side of the corresponding ventilation pipe (303), the top side of each selecting frame (201) is fixedly connected to a rotating motor (305), and the output end of each rotating motor (305) is fixedly connected to the corresponding separating rotating piece (306).

6. A fly ash separator for power plants according to claim 1, characterized in that: A powder outlet (102) is provided on the bottom side of each of the sorting frames (201); a powder outlet hopper (205) is fixedly connected to the inner wall of each of the powder outlets (102); each of the powder outlet hoppers (205) passes through the sorting tube (101) and extends to the inside of the corresponding powder outlet tube (401); a lift (404) is fixedly connected to the outside of the bottom end of each of the powder outlet tubes (401); the output end of each of the lifts (404) extends to the inside of the powder outlet tube (401) and is fixedly connected to a powder outlet valve plate (402); the top side of each of the powder outlet valve plates (402) fits the inner wall of the corresponding powder outlet hopper tube (205).

7. A fly ash separator for power plants according to claim 6, characterized in that: The inner wall of the bottom side of each powder outlet pipe (401) is fixedly connected to a material guide slope (403), and one side of each powder outlet pipe (401) is fixedly connected to a powder passing tube (405), and the inner wall of the bottom side of each powder passing tube (405) is flush with the top side of the corresponding material guide slope (403), and the ends of all the powder passing tubes (405) facing away from the corresponding powder outlet pipe (401) are commonly connected to a collecting frame (601).

8. A fly ash separator for power plants according to claim 7, characterized in that: A plurality of partition plates (602) are installed between the inner walls of the collecting frame (601), and the inner walls of the collecting frame (601) are divided into a plurality of chambers by the partition plates (602), each of the powder outlet pipes (401) and the powder outlet hose are connected to the interior of a chamber, the outer side of the collecting frame (601) is fixedly connected to a powder discharge pipe (603) corresponding one-to-one to the chamber, the outer side of each of the powder discharge pipes (603) is rotatably connected to a blocking plate (604), and the outer side of the collecting frame (601) is fixedly provided with an observation window (605) corresponding one-to-one to the chamber.

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