Biomass boiler waste heat recovery box

Abstract

The utility model discloses a biomass boiler waste heat recycling bin which comprises a boiler body, the top of the boiler body is fixedly connected with a plurality of supporting rods, the tops of the supporting rods are fixedly connected with a recycling bin body, the top of the recycling bin body is provided with an installation opening, and a heat utilization pipe is arranged in the installation opening. And the two ends of the heat utilization pipe penetrate and extend to the outer portion of the recycling box correspondingly, a smoke exhaust port is formed in the top of the furnace body, a smoke exhaust pipe is installed in the smoke exhaust port, and one end of the smoke exhaust pipe communicates with the recycling box. By arranging the smoke exhaust pipe, the recycling box and the heat utilization pipe, tail gas is exhausted into the recycling box through the smoke exhaust pipe, water can be injected into the heat utilization pipe, and a water source can be heated under the action of smoke, so that the effect of heat utilization is achieved, excessive waste of resources is avoided, and practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of biomass boilers, in particular to a waste heat recovery box for a biomass boiler. Background Technique

[0002] A biomass boiler is a type of boiler. A boiler that uses biomass energy as fuel is called a biomass boiler, which is divided into biomass steam boilers, biomass hot water boilers, biomass hot air furnaces, biomass heat transfer oil furnaces, vertical biomass boilers, horizontal biomass boilers, etc.

[0003] In the prior art, when the tail gas of a traditional biomass steam boiler is discharged from the biomass steam boiler, it usually carries a large amount of heat energy. If the tail gas of the biomass steam boiler is directly subjected to dust removal and acid removal treatment, it will cause serious waste of heat energy resources. During the process of heat utilization, soot will adhere to the surface of the heat utilization pipe. If it is not cleaned in time, it will affect the efficiency of waste heat utilization. To solve this problem, a waste heat recovery box for a biomass boiler is proposed. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is that during the process of heat utilization, soot will adhere to the surface of the heat utilization pipe, and if it is not cleaned in time, it will affect the efficiency of waste heat utilization.

[0005] To solve the above technical problem, a technical solution adopted by the utility model is: to provide a waste heat recovery box for a biomass boiler, including a furnace body. A plurality of support rods are fixedly connected to the top of the furnace body. A recovery box is fixedly connected to the top of the plurality of support rods. An installation opening is provided at the top of the recovery box. A heat utilization pipe is arranged inside the installation opening, and both ends of the heat utilization pipe respectively penetrate and extend to the outside of the recovery box. A smoke exhaust opening is arranged at the top of the furnace body. A smoke exhaust pipe is installed inside the smoke exhaust opening, and one end of the smoke exhaust pipe is communicated with the recovery box. A top cover is arranged at the top of the recovery box. Two limiting plates are symmetrically and fixedly connected to the bottom of the top cover. A screw rod is rotatably connected between the two limiting plates. Two connecting rods are fixedly connected between the two limiting plates. The two connecting rods are located on both sides of the screw rod;

[0006] A moving block is sleeved and installed on the outside of the two connecting rods and the screw rod. A plurality of brushes are fixedly connected to the bottom of the moving block. A driving assembly is arranged on one side of the surface of the recovery box. A through opening is provided on one side of the surface of the recovery box. A storage groove is slidably connected inside the through opening. A baffle is fixedly connected to one side of the surface of the storage groove. A combustion chamber is provided on one side of the surface of the furnace body. An ash collection chamber is provided on the surface of the furnace body close to the combustion chamber.

[0007] Preferably, the driving component includes an electric push rod, the electric push rod is fixedly connected to the surface of the recycling box, one side of the surface of the top cover is fixedly connected with a push plate, and the output end of the electric push rod is fixedly connected to the bottom of the push plate. By arranging the electric push rod, the push plate can be driven to move, which is convenient for opening and closing the top cover.

[0008] Preferably, a plurality of sliding rods are fixedly connected to the periphery of the bottom of the top cover, and the bottom ends of the plurality of sliding rods penetrate and are slidably connected to the inside of the recycling box to ensure the stability of the top cover when moving up and down.

[0009] Preferably, two furnace doors are rotatably connected to the surface of the furnace body near the combustion chamber and the ash collection chamber, and connecting blocks are fixedly connected to the surfaces of the two furnace doors. The connecting blocks are used to facilitate the opening of the furnace doors.

[0010] Preferably, a clamping plate is rotatably connected to the surface of the recycling box, and the surface of the clamping plate is slidably connected to the outer surface of the baffle. The rotation of the clamping plate is used to facilitate the clamping of the baffle.

[0011] Preferably, the moving block is threadedly connected to the screw rod, and the moving block is slidably connected to the two connecting rods. A motor is fixedly connected to the surface of one of the limiting plates, and the output end of the motor penetrates through the limiting plate and is fixedly connected to one end of the screw rod. By arranging the motor, the screw rod can be driven to rotate, and the rotation of the screw rod can drive the moving block to move, which is very convenient.

[0012] Preferably, a plurality of support legs are fixedly connected to the periphery of the bottom of the furnace body. By arranging the plurality of support legs, support can be provided, which is convenient for stable placement.

[0013] Preferably, a plurality of leakage holes are formed at the bottom of the combustion chamber, and the combustion chamber is communicated with the ash collection chamber.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. By arranging the exhaust pipe, the recycling box and the heat utilization pipe, the present utility model discharges the tail gas into the inside of the recycling box through the exhaust pipe. The heat utilization pipe can inject water, and under the action of the flue gas, the water source can be heated, thereby achieving the effect of heat utilization, avoiding excessive waste of resources, and having stronger practicability.

[0016] 2. By arranging structures such as a screw rod, a connecting rod, a moving block and a brush, the present utility model drives the moving block to move by the screw rod, and the moving block drives the brush to clean the soot on the surface of the heat utilization pipe, ensuring higher efficiency when the tail gas is used for heat utilization. The cleaned soot directly falls into the storage groove, which is convenient for later cleaning and has stronger practicability. Description of the Drawings

[0017] Figure 1 This is a three-dimensional view of a waste heat recovery box for a biomass boiler of the present utility model;

[0018] Figure 2 This is a schematic diagram of a partial structure of a waste heat recovery box for a biomass boiler of the present utility model;

[0019] Figure 3 For the present utility model Figure 1 An enlarged view of part A in it.

[0020] In the figure: 1, support legs; 2, furnace body; 3, support rods; 4, electric push rods; 5, push plates; 6, exhaust pipes; 7, heat utilization pipes; 8, recovery box; 9, installation openings; 10, sliding rods; 11, clamping plates; 12, baffles; 13, combustion chambers; 14, connecting blocks; 15, furnace doors; 16, connecting rods; 17, top covers; 18, motors; 19, screw rods; 20, limiting plates; 21, brushes; 22, moving blocks; 23, through openings; 24, storage grooves. Specific embodiments

[0021] The following will elaborate on the preferred embodiments of the present utility model in conjunction with the accompanying drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making the protection scope of the present utility model more clearly defined.

[0022] Please refer to Figure 1 and Figure 3 , a waste heat recovery box for a biomass boiler, including a furnace body 2. A plurality of support rods 3 are fixedly connected to the top of the furnace body 2, and a recovery box 8 is fixedly connected to the top of the plurality of support rods 3, facilitating the installation of the recovery box 8. An installation opening 9 is opened at the top of the recovery box 8, and a heat utilization pipe 7 is arranged inside the installation opening 9, and both ends of the heat utilization pipe 7 respectively penetrate and extend to the outside of the recovery box 8. A smoke exhaust port is arranged at the top of the furnace body 2, and an exhaust pipe 6 is installed inside the smoke exhaust port, and one end of the exhaust pipe 6 is communicated with the recovery box 8. The exhaust gas discharged from the furnace body 2 can enter the inside of the recovery box 8 through the exhaust pipe 6, and the heat utilization pipe 7 is used for heat utilization. A top cover 17 is arranged at the top of the recovery box 8, and two limiting plates 20 are symmetrically and fixedly connected to the bottom of the top cover 17. A screw rod 19 is rotatably connected between the two limiting plates 20, and two connecting rods 16 are fixedly connected between the two limiting plates 20, and the two connecting rods 16 are located on both sides of the screw rod 19;

[0023] A moving block 22 is sleeved and installed outside the two connecting rods 16 and the screw rod 19. The movement of the moving block 22 can be realized by the drive of the screw rod 19, which is very convenient. A plurality of brushes 21 are fixedly connected to the bottom of the moving block 22. The movement of the brushes 21 can be used to clean the soot on the surface of the heat utilization pipe 7, which is very convenient. A drive assembly is arranged on one side of the surface of the recycling box 8. An opening 23 is opened on one side of the surface of the recycling box 8. A storage groove 24 is slidably connected inside the opening 23. A baffle 12 is fixedly connected to one side of the surface of the storage groove 24, which is convenient for collecting the cleaned soot. A combustion chamber 13 is opened on one side of the surface of the furnace body 2. A dust collection chamber is opened on the surface of the furnace body 2 close to the combustion chamber 13. A plurality of support legs 1 are fixedly connected to the four peripheries of the bottom of the furnace body 2. The furnace body 2 can be supported by the plurality of support legs 1 arranged, which is convenient for stable placement. A plurality of leakage holes are opened at the bottom of the combustion chamber 13, and the combustion chamber 13 is communicated with the dust collection chamber.

[0024] As Figure 1 and Figure 2 shown, the drive assembly includes an electric push rod 4. The electric push rod 4 is fixedly connected to the surface of the recycling box 8. A push plate 5 is fixedly connected to one side of the surface of the top cover 17. The output end of the electric push rod 4 is fixedly connected to the bottom of the push plate 5. The electric push rod 4 arranged can drive the push plate 5 to move, which is convenient for opening and closing the top cover 17. A plurality of sliding rods 10 are fixedly connected to the four peripheries of the bottom of the top cover 17. The bottom ends of the plurality of sliding rods 10 penetrate and are slidably connected to the inside of the recycling box 8 to ensure the stability of the top cover 17 when moving up and down. Two furnace doors 15 are rotatably connected to the surface of the furnace body 2 close to the combustion chamber 13 and the dust collection chamber. Connecting blocks 14 are fixedly connected to the surfaces of the two furnace doors 15. The connecting blocks 14 are used to facilitate the opening of the furnace doors 15. A clamping plate 11 is rotatably connected to the surface of the recycling box 8. The surface of the clamping plate 11 is slidably connected to the outer surface of the baffle 12. The rotation of the clamping plate 11 is used to facilitate the clamping of the baffle 12. The moving block 22 is threadedly connected to the screw rod 19, and the moving block 22 is slidably connected to the two connecting rods 16. A motor 18 is fixedly connected to the surface of one of the limiting plates 20. The output end of the motor 18 penetrates the limiting plate 20 and is fixedly connected to one end of the screw rod 19. The motor 18 arranged can drive the screw rod 19 to rotate. Under the rotation of the screw rod 19, the moving block 22 can be driven to move, which is very convenient.

[0025] When the utility model is in use, water is first injected into the heat utilization pipe 7. The tail gas generated in the furnace body 2 can enter the interior of the recovery box 8 through the exhaust pipe 6. The heat in the tail gas can heat the water source inside the heat utilization pipe 7, thereby achieving the effect of heat utilization and avoiding excessive waste of resources. After being used for a period of time, soot will adhere to the heat utilization pipe 7. The motor 18 is turned on, and the motor 18 drives the screw rod 19 to rotate. The rotation of the screw rod 19 drives the moving block 22 to move, so as to clean the soot on the surface of the heat utilization pipe 7 and improve the heat utilization effect. The cleaned soot directly falls into the storage groove 24, which is convenient for later cleaning and has stronger practicability.

[0026] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A waste heat recovery box for a biomass boiler, comprising a furnace body (2), characterized in that: A plurality of support rods (3) are fixedly connected to the top of the furnace body (2). The tops of the plurality of support rods (3) are fixedly connected to a recovery box (8). An installation opening (9) is formed in the top of the recovery box (8). A heat utilization pipe (7) is arranged inside the installation opening (9), and both ends of the heat utilization pipe (7) respectively penetrate and extend to the outside of the recovery box (8). A smoke exhaust opening is arranged at the top of the furnace body (2). A smoke exhaust pipe (6) is installed inside the smoke exhaust opening, and one end of the smoke exhaust pipe (6) is communicated with the recovery box (8). A top cover (17) is arranged on the top of the recovery box (8). Two limiting plates (20) are symmetrically and fixedly connected to the bottom of the top cover (17). A screw rod (19) is rotatably connected between the two limiting plates (20). Two connecting rods (16) are fixedly connected between the two limiting plates (20). The two connecting rods (16) are located on both sides of the screw rod (19). A moving block (22) is sleeved and installed on the outer sides of the two connecting rods (16) and the screw rod (19). A plurality of brushes (21) are fixedly connected to the bottom of the moving block (22). A driving assembly is arranged on one side of the surface of the recovery box (8). A through opening (23) is formed in one side of the surface of the recovery box (8). A storage groove (24) is slidably connected inside the through opening (23). A baffle (12) is fixedly connected to one side of the surface of the storage groove (24). A combustion chamber (13) is formed in one side of the surface of the furnace body (2). A dust collection chamber is formed in the surface of the furnace body (2) close to the combustion chamber (13).

2. The waste heat recovery box of a biomass boiler according to claim 1, characterized in that: The driving assembly includes an electric push rod (4). The electric push rod (4) is fixedly connected to the surface of the recovery box (8). A push plate (5) is fixedly connected to one side of the surface of the top cover (17). The output end of the electric push rod (4) is fixedly connected to the bottom of the push plate (5).

3. The waste heat recovery box of a biomass boiler according to claim 1, characterized in that: A plurality of sliding rods (10) are fixedly connected to the periphery of the bottom of the top cover (17). The bottom ends of the plurality of sliding rods (10) penetrate and are slidably connected to the inside of the recovery box (8).

4. A waste heat recovery box for a biomass boiler according to claim 1, characterized in that: Two furnace doors (15) are rotatably connected to the surface of the furnace body (2) close to the combustion chamber (13) and the dust collection chamber. Connecting blocks (14) are fixedly connected to the surfaces of the two furnace doors (15).

5. A waste heat recovery box for a biomass boiler according to claim 1, characterized in that: A clamping plate (11) is rotatably connected to the surface of the recovery box (8). The surface of the clamping plate (11) is slidably connected to the outer surface of the baffle (12).

6. The waste heat recovery box of a biomass boiler according to claim 1, characterized in that: The moving block (22) is in threaded connection with the screw rod (19). The moving block (22) is slidably connected to the two connecting rods (16). A motor (18) is fixedly connected to the surface of one of the limiting plates (20). The output end of the motor (18) penetrates the limiting plate (20) and is fixedly connected to one end of the screw rod (19).

7. A waste heat recovery box for a biomass boiler according to claim 1, characterized in that: A plurality of support legs (1) are fixedly connected to the periphery of the bottom of the furnace body (2).

8. A biomass boiler waste heat recovery box according to claim 1, characterized in that: A plurality of leakage holes are formed in the bottom of the combustion chamber (13), and the combustion chamber (13) is communicated with the dust collection chamber.

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