Fly ash recycling equipment for boiler of thermal power plant

Abstract

The utility model relates to fly ash recycling equipment for a thermal power plant boiler. The fly ash recycling equipment comprises a recycling box, a spraying assembly, a cooling assembly and an air inlet assembly. The recycling box comprises a first air inlet and a first air outlet, and the air inlet assembly is arranged at the first air inlet and used for inputting boiler fly ash into the recycling box; the cooling assembly is arranged in the recycling box and used for cooling the boiler fly ash input into the recycling box. The spraying assembly comprises a spraying box, a splitter plate and a plurality of nozzles, the spraying box comprises a second air inlet and a second air outlet, the second air inlet is used for allowing boiler fly ash cooled by the cooling assembly to enter, and the second air outlet is communicated with the first air outlet; wherein the splitter plate is fixedly connected to the top of the spraying box, the multiple nozzles are fixedly connected with the splitter plate, and the multiple nozzles are arranged in the spraying box and used for spraying the boiler fly ash, so that water mist of the nozzles can be effectively utilized to adsorb small particles in the boiler fly ash, and the discharged flue gas reaches the standard.

Description

Technical Field

[0001] The present disclosure relates to the technical field of boilers, and more particularly, to a fly ash recycling device for a thermal power plant boiler. Background Art

[0002] When the fuel coal used in boiler production burns, a large amount of fly ash is generated. The fly ash will be discharged into the external air through the exhaust pipe, causing serious pollution to the environment.

[0003] A patent with the publication number CN215411947U discloses a fly ash recovery device for the boiler tail during boiler production, including a base plate. The lower surface of the base plate is fixedly connected with support columns, the lower surface of the support columns is fixedly connected with universal self-locking wheels, the side surface of the support columns is fixedly connected with a support plate, the upper surface of the support plate is fixedly connected with a collection box, the upper surface of the base plate is fixedly connected with a treatment box, the left side surface of the treatment box is fixedly connected with a smoke pipe, and the right side surface of the treatment box is fixedly connected with an exhaust pipe. For this fly ash recovery device for the boiler tail during boiler production, by setting a cooling water pipe and a cooling water tank, an external ice water device can be connected to cool the cooling pipe and reduce the temperature of the fly ash in the cooling pipe. By setting a fly ash filter box and a filter plate, the fly ash in the boiler exhaust can be filtered. By setting a vibration motor to drive the filter plate to vibrate, the fly ash in the filter plate can be vibrated and dropped into the waste collection hopper, thereby achieving the effect of treating boiler fly ash.

[0004] However, when the above fly ash recovery device for the boiler tail during boiler production is in use, only the fly ash is filtered, and small particles in the flue gas cannot be removed during the fly ash filtering process, resulting in unqualified flue gas emissions. Summary of the Utility Model

[0005] The purpose of the present disclosure is to provide a fly ash recycling device for a thermal power plant boiler to solve the technical problems existing in the related art.

[0006] To achieve the above purpose, the present disclosure provides a fly ash recycling device for a thermal power plant boiler, and the recycling device includes a recycling box, a spraying assembly, a cooling assembly, and an air inlet assembly;

[0007] The recycling box includes a first air inlet and a first air outlet, and the air inlet assembly is arranged at the first air inlet for inputting boiler fly ash into the recycling box;

[0008] The cooling assembly is arranged in the recycling box and is used for cooling the boiler fly ash input into the recycling box;

[0009] The spray assembly includes a spray box, a flow splitter plate, and a plurality of nozzles. The spray box includes a second air inlet and a second air outlet. The second air inlet is for the boiler fly ash cooled by the cooling assembly to enter, and the second air outlet is communicated with the first air outlet;

[0010] Wherein, the flow splitter plate is fixedly connected to the top of the spray box, and a plurality of the nozzles are fixedly connected to the flow splitter plate, and the plurality of nozzles are arranged inside the spray box for spraying the boiler fly ash.

[0011] Optionally, the air inlet assembly includes an air inlet pipe and an induced draft fan. The air inlet pipe is fixedly connected to the recovery box and passes through the first air inlet, and the induced draft fan is fixedly connected to the air inlet pipe and is located outside the recovery box; wherein, the cooling assembly is used to cool the boiler fly ash in the air inlet pipe.

[0012] Optionally, the cooling assembly includes a cooling box, a diversion pipe, a return pipe, a cooling water tank, and a cooling water pump;

[0013] The cooling box is fixedly connected to the inside of the recovery box, the air inlet pipe is used to pass through the inside of the cooling box, one end of the diversion pipe is communicated with the cooling water tank, the cooling water pump is arranged on the diversion pipe and is used to convey the cooling water in the cooling water tank into the cooling box, and the return pipe communicates the cooling box and the cooling water tank.

[0014] Optionally, the recycling device further includes a circulation assembly, and the circulation assembly includes a circulation filter base, a circulation collection box, a circulation water pump, and a circulation water pipe;

[0015] A first opening is formed at the bottom of the spray box, and a second opening opposite to the first opening is formed at the bottom of the recovery box. The circulation filter base is fixedly connected to the bottom of the recovery box and is opposite to and sealed with the second opening. The circulation collection box is fixedly connected to the bottom of the circulation filter base. One end of the circulation water pipe is communicated with the circulation collection box, and the other end is communicated with the flow splitter plate. The circulation water pump is arranged on the circulation water pipe to convey the water in the circulation collection box to the flow splitter plate.

[0016] Optionally, the circulation assembly further includes a circulation filter plate, and the circulation filter plate is detachably arranged inside the circulation filter base.

[0017] Optionally, the circulation component further includes a circulation guide bar and a first pull rod. Two circulation guide bars are provided and fixedly connected to both sides of the circulation filter plate. The circulation filter seat is formed with a plug-in slot, and the circulation guide bar and the circulation filter plate are slidably arranged in the plug-in slot. The first pull rod is fixedly connected to the circulation filter plate and is located outside the circulation filter seat.

[0018] Optionally, the fly ash recycling equipment for a thermal power plant boiler further includes support columns, an air outlet pipe, a sealing plate, and fixing bolts. A plurality of support columns are provided, and the plurality of support columns are fixedly connected to the bottom of the recycling box. The air outlet pipe is fixedly connected to the recycling box and passes through the first air outlet. A plurality of fixing bolts are provided, and the sealing plate is connected to the recycling box through the plurality of fixing bolts.

[0019] Optionally, the recycling equipment further includes a filtering component. The filtering component includes a gas filtering seat, a gas filtering plate, and a demisting plate. The gas filtering seat is fixedly connected to the inside of the recycling box, and the inlet of the gas filtering seat is communicated with the second air outlet. The outlet of the gas filtering seat is communicated with the air outlet pipe. The gas filtering plate and the demisting plate are both pluggable and arranged inside the gas filtering seat.

[0020] Optionally, the filtering component further includes filtering guide bars and a second pull rod. A plurality of filtering guide bars are provided, and the plurality of filtering guide bars are respectively fixedly connected to the gas filtering plate and the demisting plate and are respectively located on both sides of the gas filtering plate and the demisting plate. Two second pull rods are provided. One of the second pull rods is fixedly connected to the gas filtering plate, and the other second pull rod is fixedly connected to the demisting plate.

[0021] Optionally, the recycling box further includes a first slot and a second slot. The first slot is used for one of the second pull rods to pass through the recycling box, and the second slot is used for the other second pull rod to pass through the recycling box.

[0022] In the above technical solution, after the boiler fly ash enters the recycling box, the cooling component cools down the fly ash. The cooled boiler fly ash enters the spraying box through the second air inlet, and the nozzles in the spraying box spray the boiler fly ash. Thus, the water mist of the nozzles can effectively adsorb the small particles in the boiler fly ash. The flue gas after adsorption is discharged to the first air outlet through the second air outlet, so that the discharged flue gas meets the standards.

[0023] Other features and advantages of the present disclosure will be described in detail in the subsequent specific implementation section. Brief Description of the Drawings

[0024] The accompanying drawings are used to provide a further understanding of the present disclosure and form a part of the specification. Together with the following detailed description, they are used to explain the present disclosure, but do not constitute a limitation to the present disclosure. In the accompanying drawings:

[0025] Figure 1 is a schematic diagram of the overall structure of a fly ash recycling device for a thermal power plant boiler in the first embodiment of the present disclosure.

[0026] Figure 2 is a side view of the cooling component and the air intake component in the first embodiment of the present disclosure.

[0027] Figure 3 is a schematic diagram of the structure of the spray component and the circulation component in the first embodiment of the present disclosure.

[0028] Figure 4 is a schematic diagram of the internal structure of the spray component in the first embodiment of the present disclosure.

[0029] Figure 5 is a front view of a fly ash recycling device for a thermal power plant boiler in the second embodiment of the present disclosure.

[0030] Figure 6 is a schematic diagram of the structure of the filtration component in the second embodiment of the present disclosure.

[0031] Description of the reference numerals

[0032] 101 - Recycling box, 102 - Spray box, 103 - Diverting plate, 104 - Nozzle, 105 - Cooling box, 106 - Diversion pipe, 107 - Return pipe, 108 - Cooling water tank, 109 - Cooling water pump, 110 - Intake pipe, 111 - Induced draft fan, 112 - Circulation filtration seat, 113 - Circulation collection box, 114 - Circulation filtration plate, 115 - Circulation guide bar, 116 - First pull rod, 117 - Circulation water pump, 118 - Circulation water pipe, 119 - Support column, 120 - Exhaust pipe, 121 - Sealing plate, 122 - Fixed bolt, 201 - Gas filtration seat, 202 - Gas filtration plate, 203 - Demisting plate, 204 - Filtration guide bar, 205 - Second pull rod. Detailed description of the specific implementation

[0033] The following is a detailed description of the specific implementation of the present disclosure in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure and does not limit the present disclosure.

[0034] Refer to Figures 1 to 4 as shown, wherein, Figure 1 is a schematic diagram of the overall structure of a fly ash recycling device for a thermal power plant boiler in the first embodiment of the present disclosure, Figure 2 is a side view of the cooling component and the air intake component in the first embodiment of the present disclosure,Figure 3 It is a schematic structural diagram of the spray component and the circulation component of the first embodiment of the present disclosure. Figure 4 It is a schematic internal structure diagram of the spray component of the first embodiment of the present disclosure.

[0035] The present disclosure provides a fly ash recycling device for a thermal power plant boiler, including a fly ash recycling device for a thermal power plant boiler. The recycling device includes a recovery tank 101, a spray component, a cooling component, and an air inlet component; the recovery tank 101 includes a first air inlet and a first air outlet, and the air inlet component is arranged at the first air inlet for inputting boiler fly ash into the recovery tank 101; the cooling component is arranged in the recovery tank 101 and is used for cooling the boiler fly ash input into the recovery tank 101; the spray component includes a spray tank 102, a flow dividing plate 103, and a plurality of nozzles 104. The spray tank 102 includes a second air inlet and a second air outlet. The second air inlet is for the boiler fly ash cooled by the cooling component to enter, and the second air outlet is communicated with the first air outlet.

[0036] Wherein, the flow dividing plate 103 is fixedly connected to the top of the spray tank 102, and the plurality of nozzles 104 are fixedly connected to the flow dividing plate 103, and the plurality of nozzles 104 are arranged inside the spray tank 102 for spraying the boiler fly ash.

[0037] In the above technical solution, after the boiler fly ash enters the recovery tank 101, the cooling component cools down the fly ash. The cooled boiler fly ash enters the spray tank 102 through the second air inlet, and the nozzles 104 in the spray tank 102 spray the boiler fly ash, so that the small particles in the boiler fly ash can be effectively adsorbed by the water mist of the nozzles. The flue gas after adsorption is discharged to the first air outlet through the second exhaust port, so that the discharged flue gas meets the standards.

[0038] Optionally, the above first air inlet and the second air inlet can be connected together through a pipeline, and the second exhaust port and the first air outlet can also be connected together through a pipeline.

[0039] For this specific embodiment, the spray box 102 is fixedly connected to the recycling box 101 and is located inside the recycling box 101. The flow splitter plate 103 is fixedly connected to the spray box 102 and is located at the top of the spray box 102. The number of spray nozzles 104 is multiple, and the multiple spray nozzles 104 are respectively fixedly connected to the flow splitter plate 103 and are respectively located inside the spray box 102. The cooling component, the air intake component, the circulation component, and the filtration component are respectively connected to the recycling box 101. The recycling box 101 is used for collecting and processing boiler fly ash. The spray box 102 is used for providing a spraying effect for the flue gas generated by the boiler. The circulation component introduces the circulating water to the flow splitter plate 103. Through the splitting of the flow splitter plate 103, it is pumped into the spray nozzles 104 and sprayed into the spray box 102 respectively through the multiple spray nozzles 104, achieving the purpose of spraying the flue gas. The water with impurities after spraying falls from the bottom of the spray box 102 into the circulation component for circulation, achieving the recycling and reuse of water resources.

[0040] Among them, the cooling box 105 is fixedly connected to the recycling box 101 and is located inside the recycling box 101. The diversion pipe 106 is fixedly connected to the cooling box 105 and is located at the top of the recycling box 101. The return pipe 107 is fixedly connected to the cooling box 105 and is located at the bottom of the cooling box 105. The cooling box 105 is used for cooling the high-temperature flue gas generated by the boiler, facilitating the subsequent treatment of the flue gas. The diversion pipe 106 provides a diversion function for the cooling water. The return pipe 107 introduces the circulating water in the cooling box 105 into the cooling water tank 108 for storage, enabling the cooling water in the cooling box 105 to be in a circulating state.

[0041] Among them, the cooling water tank 108 is fixedly connected to the return pipe 107 and is located outside the return pipe 107. The cooling water pump 109 is fixedly connected to the diversion pipe 106 and is located at the bottom of the diversion pipe 106. The cooling water tank 108 is used for storing cooling water. The cooling water pump 109 pumps the cooling water in the cooling water tank 108 into the cooling box 105 through the diversion pipe 106, achieving the purpose of cooling the high-temperature flue gas.

[0042] Among them, the intake pipe 110 is fixedly connected to the recycling box 101 and passes through the cooling box 105. The induced draft fan 111 is fixedly connected to the intake pipe 110 and is located outside the recycling box 101. The induced draft fan 111 pumps the high-temperature flue gas into the equipment through the intake pipe 110, successively passing through the cooling component, the air intake component, and the filtration component, achieving the purpose of recycling and treating the flue gas.

[0043] Among them, the circulation filtration base 112 is fixedly connected to the recycling box 101 and is located at the bottom of the recycling box 101. The circulation collection box 113 is fixedly connected to the circulation filtration base 112 and is located at the bottom of the circulation filtration base 112. The circulation filtration base 112 provides a supporting function for the circulation component. The circulation collection box 113 is used for storing circulating water.

[0044] In order to facilitate the recycling of the water after spraying, a first opening is formed at the bottom of the spray box 102, and a second opening is formed at the bottom of the recovery box 101, and the first opening is arranged opposite to the second opening, and the circulation filter seat 112 is fixedly connected to the bottom of the recovery box 101 and opposite to the second opening and sealed, so that the water after spraying flows to the circulation filter seat 112 and then flows into the circulation collection box 113. In addition, in order to avoid the leakage of smoke, the circulation filter seat 112 is arranged at the second opening, and the sealing needs to be ensured.

[0045] Secondly, the circulation filter plate 114 is slidably connected to the circulation filter seat 112 and is located inside the circulation filter seat 112. There are two circulation guide strips 115, which are respectively fixedly connected to the circulation filter plate 114 and are located on both sides of the circulation filter plate 114. The first pull rod 116 is fixedly connected to the circulation filter plate 114 and is located on the outside of the circulation filter seat 112. The circulating water after spraying falls into the circulation filter seat 112, and the circulation filter plate 114 provides a filtering effect for the circulating water. The circulation guide strips 115 provide guiding and limiting functions for the circulation filter plate 114. The staff can easily pull the circulation filter plate 114 out of the circulation filter seat 112 through the first pull rod 116, so as to facilitate the replacement of the circulation filter plate 114.

[0046] Again, the circulating water pump 117 is fixedly connected to the circulating collection box 113 and is located on the outside of the circulating collection box 113. One end of the circulating water pipe 118 is fixedly connected to the circulating water pump 117, and the other end of the circulating water pipe 118 is fixedly connected to the diverter plate 103. The circulating water pump 117 pumps the circulating water in the circulating collection box 113 into the diverter plate 103 through the circulating water pipe 118, thereby achieving the purpose of guiding the spray assembly.

[0047] In addition, there are multiple support columns 119, which are respectively fixedly connected to the recovery box 101 and located at the bottom of the recovery box 101. The air outlet pipe 120 is fixedly connected to the recovery box 101 and located on the side of the recovery box 101 away from the air inlet pipe 110. There are multiple fixing bolts 122. The sealing plate 121 is connected to the recovery box 101 by multiple fixing bolts 122. The support columns 119 provide support for the equipment. The flue gas after processing and filtration is discharged from the recovery box 101 through the air outlet pipe 120. The sealing plate 121 provides sealing and protection for the recovery box 101. When repairing and maintaining the equipment in the recovery box 101, the fixing bolts 122 can be removed to facilitate the removal of the sealing plate 121 for repairing and maintaining the equipment in the recovery box 101.

[0048] Using a fly ash recycling device for a thermal power plant boiler in this embodiment, the recycling box 101 is used to collect and process the boiler fly ash. The spraying box 102 is used to provide a spraying effect for the flue gas generated by the boiler. The circulating water introduced by the circulating component into the diversion plate 103 is pumped into the nozzles 104 through the diversion of the diversion plate 103 and sprayed into the spraying box 102 through the multiple nozzles 104 respectively to achieve the purpose of spraying the flue gas. The water with impurities after spraying falls from the bottom of the spraying box 102 into the circulating component for circulation, achieving the recycling and reuse of water resources, and solving the problem that when the fly ash recycling device at the tail of the boiler for boiler production is in use, only the fly ash is filtered, and the small particulate matter in the flue gas cannot be removed during the fly ash filtering process, resulting in non-compliant flue gas emissions.

[0049] The second embodiment of the present disclosure is as follows:

[0050] Based on the first embodiment, please refer to Figure 5 and Figure 6 , where Figure 5 is the front view of a fly ash recycling device for a thermal power plant boiler in the second embodiment of the present disclosure, Figure 6 is the structural schematic diagram of the filtering component in the second embodiment of the present disclosure.

[0051] A fly ash recycling device for a thermal power plant boiler in this embodiment further includes a filtering component, and the filtering component includes a gas filtering seat 201, a gas filtering plate 202, a demisting plate 203, a filtering guide bar 204, and a second pull rod 205.

[0052] For this specific embodiment, the gas filtering seat 201 is fixedly connected to the recycling box 101 and is located inside the recycling box 101. The gas filtering plate 202 is slidably connected to the gas filtering seat 201 and is located inside the gas filtering seat 201. The demisting plate 203 is slidably connected to the gas filtering seat 201 and is located inside the gas filtering seat 201. The gas filtering seat 201 provides a supporting function for the filtering component. The gas filtering plate 202 provides a filtering effect for the flue gas. The demisting plate 203 is used to remove the excess moisture in the gas.

[0053] Among them, the number of the filtering guide bars 204 is multiple. The multiple filtering guide bars 204 are respectively fixedly connected to the gas filtering plate 202 and the demisting plate 203, and are respectively located on both sides of the gas filtering plate 202 and the demisting plate 203. The number of the second pull rods 205 is two. One of the second pull rods 205 is fixedly connected to the gas filtering plate 202, and the other second pull rod 205 is fixedly connected to the demisting plate 203. The filtering guide bars 204 provide a guiding function for the gas filtering plate 202 and the demisting plate 203. When the equipment is in use, after the gas is sprayed by the spraying assembly to remove most of the impurities, the gas is filtered by the gas filtering plate 202, and then the water in the gas is removed by the demisting plate 203, achieving the purpose of gas treatment. When replacing the filtering assembly, the staff can pull out the gas filtering plate 202 and the demisting plate 203 from the gas filtering seat 201 along the filtering guide bars 204 through the second pull rods 205, which is convenient for replacing the gas filtering plate 202 and the demisting plate 203.

[0054] When using a fly ash recycling device for a thermal power plant boiler in this embodiment, when the equipment is in use, after the gas is sprayed by the spraying assembly to remove most of the impurities, the gas is filtered by the gas filtering plate 202, and then the water in the gas is removed by the demisting plate 203, achieving the purpose of gas treatment. When replacing the filtering assembly, the staff can pull out the gas filtering plate 202 and the demisting plate 203 from the gas filtering seat 201 along the filtering guide bars 204 through the second pull rods 205, which is convenient for replacing the gas filtering plate 202 and the demisting plate 203. In addition, the recovery box 101 can be provided with a first slot and a second slot for the two second pull rods 205 to pass through the recovery box 101, which is convenient for the operator to clean or replace the gas filtering plate 202 and the demisting plate 203.

[0055] In addition, regarding the flow of the boiler fly ash in the recovery box 101, it can first enter the recovery box 101 through the inlet pipe 110 arranged at the first air inlet. The cooling box 105 cools the boiler fly ash in the inlet pipe 110. The cooled boiler fly ash can flow through the first pipeline to the second air inlet and then enter the spraying box 102. The boiler fly ash after spraying flows out through the second air outlet. The boiler fly ash flowing out from the air outlet can flow through the second pipeline to the inlet of the gas filtering seat 201, and the filtered flue gas is discharged through the outlet pipe 120.

[0056] The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings. However, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0057] In addition, it should be noted that, for the various specific technical features described in the above specific embodiments, they can be combined in any appropriate manner without conflict. To avoid unnecessary repetition, the present disclosure will not separately describe various possible combination manners.

[0058] In addition, any combination can be made among various different embodiments of the present disclosure, as long as it does not violate the idea of the present disclosure, and it should also be regarded as the content disclosed by the present disclosure.

Claims

1. A thermal power plant boiler fly ash recycling equipment, characterized in that: The recycling equipment includes a recovery box, a spray assembly, a cooling assembly and an air intake assembly; The recovery box comprises a first air inlet and a first air outlet, and the air inlet assembly is arranged at the first air inlet to input boiler fly ash into the recovery box; The cooling assembly is disposed in the recovery box and is used to cool the boiler fly ash input into the recovery box; The spray assembly includes a spray box, a diverter plate and a plurality of spray heads, the spray box includes a second air inlet and a second air outlet, the second air inlet is used for the boiler fly ash cooled by the cooling assembly to enter, and the second air outlet is connected to the first air outlet; The diverter plate is fixedly connected to the top of the spray box, the plurality of nozzles are fixedly connected to the diverter plate, and the plurality of nozzles are arranged inside the spray box for spraying boiler fly ash.

2. The fly ash recycling equipment for thermal power plant boiler according to claim 1, characterized in that: The air intake assembly includes an air intake pipe and an induced draft fan, the air intake pipe is fixedly connected to the recovery box and passes through the first air inlet, the induced draft fan is fixedly connected to the air intake pipe and is located outside the recovery box; wherein the cooling assembly is used to cool the boiler fly ash in the air intake pipe.

3. The fly ash recycling equipment for thermal power plant boiler according to claim 2, characterized in that: The cooling assembly includes a cooling box, a guide pipe, a return pipe, a cooling water tank and a cooling water pump; The cooling box is fixedly connected to the inside of the recovery box, the air intake pipe is used to pass through the inside of the cooling box, one end of the guide pipe is connected to the cooling water tank, the cooling water pump is arranged on the guide pipe and is used to transport the cooling water in the cooling water tank to the cooling box, and the return pipe connects the cooling box and the cooling water tank.

4. The fly ash recycling equipment for thermal power plant boiler according to claim 1, characterized in that: The recycling equipment also includes a circulation component, which includes a circulation filter seat and a circulation collection box, a circulation water pump and a circulation water pipe; A first opening is formed at the bottom of the spray box, a second opening is formed at the bottom of the recovery box and is arranged opposite to the first opening, the circulation filter seat is fixedly connected to the bottom of the recovery box and is opposite to the second opening and sealed, the circulation collection box is fixedly connected to the bottom of the circulation filter seat, one end of the circulation water pipe is connected to the circulation collection box, and the other end is connected to the diverter plate, and the circulation water pump is arranged in the circulation water pipe to transport the water in the circulation collection box to the diverter plate.

5. The fly ash recycling equipment for thermal power plant boiler according to claim 4, characterized in that: The circulation component further comprises a circulation filter plate, and the circulation filter plate is pluggably arranged inside the circulation filter seat.

6. The fly ash recycling equipment for thermal power plant boiler according to claim 5, characterized in that: The circulation component also includes a circulation guide bar and a first pull rod. The circulation guide bar is provided in two and is fixedly connected to both sides of the circulation filter plate. The circulation filter seat is formed with a plug-in groove. The circulation guide bar and the circulation filter plate are slidably arranged in the plug-in groove. The first pull rod is fixedly connected to the circulation filter plate and is located on the outside of the circulation filter seat.

7. The fly ash recycling equipment for thermal power plant boiler according to claim 1, characterized in that: The boiler fly ash recycling equipment of a thermal power plant also includes a support column, an air outlet pipe, a sealing plate and fixing bolts. The support column is provided in plurality, and the plurality of support columns are fixedly connected to the bottom of the recovery box. The air outlet pipe is fixedly connected to the recovery box and passes through the first air outlet. The fixing bolts are provided in plurality, and the sealing plate is connected to the recovery box through the plurality of fixing bolts.

8. The fly ash recycling equipment for thermal power plant boiler according to claim 7, characterized in that: The recycling equipment also includes a filter assembly, which includes a gas filter seat, a gas filter plate and a defogger plate. The gas filter seat is fixedly connected to the interior of the recovery box, and the inlet of the gas filter seat is connected to the second air outlet, and the outlet of the gas filter seat is connected to the air outlet pipe. The gas filter plate and the defogger plate can be pluggably arranged inside the gas filter seat.

9. The thermal power plant boiler fly ash recycling equipment according to claim 8, characterized in that: The filter assembly also includes a filter guide bar and a second pull rod. The filter guide bar is provided in plurality. The plurality of filter guide bars are respectively fixedly connected to the gas filter plate and the defogger plate and are respectively located on both sides of the gas filter plate and the defogger plate. Two second pull rods are provided, one of which is fixedly connected to the gas filter plate, and the other is fixedly connected to the defogger plate.

10. The fly ash recycling equipment for thermal power plant boiler according to claim 9, characterized in that: The recovery box further comprises a first slot and a second slot, wherein the first slot is used for allowing one of the second pull rods to pass through the recovery box, and the second slot is used for allowing another of the second pull rods to pass through the recovery box.

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