Boiler waste heat utilization device

Abstract

The utility model discloses a boiler waste heat utilization device, and relates to the technical field of energy conservation and environmental protection. The boiler waste heat utilization device comprises a boiler body and a water pump, a smoke outlet is formed in the top of the boiler body, an exchange pipe is fixedly connected to the top of the water pump, and a stirring assembly is arranged in the exchange pipe; the stirring assembly comprises an impeller and a transmission rod, a baffle is fixedly connected to the inner wall of the exchange pipe, a first bevel gear is fixedly connected to the front end of the impeller, a second bevel gear is fixedly connected to the side face of the transmission rod, and a belt is arranged on the outer side of the transmission rod. According to the boiler waste heat utilization device, the water pump is started, liquid rapidly flows through the exchange pipe, the baffle, the impeller, the first bevel gear, the second bevel gear, the transmission rod, the belt and the rotating rod are matched, the stirring plate rotates, the liquid in the exchange pipe is stirred, waste heat at the smoke outlet can be recycled, and the waste heat recycling effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of energy conservation and environmental protection, in particular to a boiler waste heat utilization device. Background Art

[0002] A boiler is a mechanical device that uses the heat energy of fuel or other energy sources to heat water into hot water or steam. The original meaning of a pot refers to a water container heated on fire, and a furnace refers to a place where fuel is burned. A boiler consists of two parts: a pot and a furnace.

[0003] According to a publicly disclosed boiler waste heat utilization device (publication number: CN205424883U), it includes a boiler, a first heat exchange tube is installed in the inner cavity of the boiler body, the outlet of the first heat exchange tube is connected to the inlet of the heat pipe, the outlet of the heat pipe is connected to the disinfection cabinet, a shelf is provided inside the disinfection cabinet, a main controller is fixed on the side of the disinfection cabinet, a water tank is installed on the top of the inner cavity of the disinfection cabinet, a second heat exchange tube and a water level sensor are installed inside the water tank, and the inlet of the second heat exchange tube is connected to the outlet of the heat pipe. In the above application document, a heat exchange operation is performed by adopting a winding first heat exchange tube, but a large amount of heat is still stored in the smoke outlet on the top of the device, resulting in insufficient waste heat recovery. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a boiler waste heat utilization device, which solves the problems raised in the above background technology. To achieve the above purpose, the utility model is implemented through the following technical solutions: a boiler waste heat utilization device, including a boiler body and a water pump, the top of the boiler body is provided with a smoke outlet, the top of the water pump is fixedly connected with an exchange tube, and the interior of the exchange tube is provided with a stirring assembly;

[0005] The stirring assembly includes an impeller and a transmission rod. The inner wall of the exchange tube is fixedly connected with a baffle, the front end of the impeller is fixedly connected with a bevel gear 1, the side of the transmission rod is fixedly connected with a bevel gear 2, a belt is provided on the outer side of the transmission rod, the inner wall of the exchange tube is rotatably connected with a rotating rod, and the side of the rotating rod is fixedly connected with a stirring plate.

[0006] Preferably, the bevel gear 2 is located at the front end of the bevel gear 1, and the bevel gear 2 is in meshing state with the bevel gear 1, so that when the bevel gear 1 rotates, the bevel gear 2 can rotate accordingly.

[0007] Preferably, the belt is away from one side of the transmission rod, and the belt is located outside the rotating rod, so that when the transmission rod rotates, the rotating rod can rotate accordingly.

[0008] Preferably, the baffle is located at a side position of the impeller, and the baffle is located at a side of the impeller close to the water pump.

[0009] Preferably, a swing assembly is provided inside the exchange tube;

[0010] The swing assembly comprises a fixed groove, the interior of the fixed groove is rotatably connected with a rotating shaft, and the outer side of the rotating shaft is fixedly connected with a swing plate, so that when the rotating shaft rotates, the swing plate can rotate accordingly.

[0011] Preferably, the swing plate is located in the fixing groove, so that the swing plate can rotate in the fixing groove.

[0012] The utility model provides a boiler waste heat utilization device, which has the following beneficial effects:

[0013] (1) The boiler waste heat utilization device starts the water pump to allow liquid to flow quickly through the exchange tube. The baffle, impeller, bevel gear 1, bevel gear 2, transmission rod, belt and rotating rod are used to rotate the stirring plate to stir the liquid in the exchange tube, thereby recovering the waste heat at the smoke outlet, thereby improving the waste heat recovery effect of the device.

[0014] (2) The boiler waste heat utilization device, when the stirring plate rotates, cooperates with the fixed groove opened on the stirring plate, the rotating shaft rotatably connected to the fixed groove, and the swing plate fixedly connected to the rotating shaft, so that during the rotation of the stirring plate, the swing plate swings under the action of inertia, thereby further improving the waste heat recovery effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the overall appearance of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall sectional three-dimensional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the stirring assembly of the utility model;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the swing component of the utility model.

[0019] In the figure: 1. boiler body; 2. water pump; 3. smoke outlet; 4. exchange tube; 5. impeller; 6. transmission rod; 7. baffle; 8. bevel gear 1; 9. bevel gear 2; 10. belt; 11. rotating rod; 12. stirring plate; 13. fixed groove; 14. rotating shaft; 15. swing plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] For example, see Figure 1-3 A boiler waste heat utilization device comprises a boiler body 1 and a water pump 2. A smoke outlet 3 is provided on the top of the boiler body 1. An exchange tube 4 is fixedly connected to the top of the water pump 2. A stirring assembly is provided inside the exchange tube 4.

[0022] The stirring assembly includes an impeller 5 and a transmission rod 6. A baffle 7 is fixedly connected to the inner wall of the exchange tube 4. The baffle 7 is located at the side of the impeller 5. The baffle 7 is located on the side of the impeller 5 close to the water pump 2. The front end of the impeller 5 is fixedly connected to a bevel gear 8. When the water pump 2 is started, liquid in the exchange tube 4 flows quickly. The baffle 7 fixedly connected to the exchange tube 4 is used to rotate the impeller 5 rotatably connected to the exchange tube 4. The impeller 5 drives the bevel gear 8 fixedly connected to it to rotate. A bevel gear 2 9 is fixedly connected to the side of the transmission rod 6. The bevel gear 2 9 is located at the front end of the bevel gear 8. The bevel gear 2 9 is meshed with the bevel gear 8. A belt 10 is arranged on the outside of the transmission rod 6. The belt 10 On the side away from the transmission rod 6, the belt 10 is located at the outer side of the transmission rod 6, and the inner wall of the exchange tube 4 is rotatably connected with a rotating rod 11. When the bevel gear 1 8 rotates, the bevel gear 1 8 drives the bevel gear 2 9 meshing with it to rotate, and the bevel gear 2 9 drives the transmission rod 6 fixedly connected thereto to rotate, and cooperates with the belt 10 on the outer side of the transmission rod 6 to rotate the rotating rod 11 connected to the transmission rod 6 through the belt 10. A stirring plate 12 is fixedly connected to the side of the rotating rod 11. When the rotating rod 11 rotates, the rotating rod 11 drives the stirring plate 12 fixedly connected thereto to rotate, and the liquid in the exchange tube 4 is stirred, so that the waste heat at the smoke outlet 3 can be recovered, thereby improving the waste heat recovery effect of the device.

[0023] When in use, the water pump 2 is started to allow liquid to flow quickly through the exchange tube 4, and the baffle plate 7 fixedly connected to the exchange tube 4 is cooperated to make the impeller 5 rotatably connected to the exchange tube 4 rotate, and the impeller 5 drives the bevel gear 1 8 fixedly connected to it to rotate, so that the bevel gear 1 8 drives the bevel gear 2 9 meshing with it to rotate, and the bevel gear 2 9 drives the transmission rod 6 fixedly connected to it to rotate, and cooperates with the belt 10 on the outside of the transmission rod 6 to make the rotating rod 11 connected to the transmission rod 6 through the belt 10 rotate, and the rotating rod 11 can drive the stirring plate 12 fixedly connected to it to rotate, so as to stir the liquid in the exchange tube 4.

[0024] For example 2, please refer to Figure 1-4 , on the basis of the first embodiment, a swing assembly is provided inside the exchange tube 4;

[0025] The swing assembly includes a fixed groove 13, the interior of the fixed groove 13 is rotatably connected to a rotating shaft 14, the outer side of the rotating shaft 14 is fixedly connected to a swing plate 15, and the swing plate 15 is located in the fixed groove 13. When the stirring plate 12 rotates, the fixed groove 13 opened on the stirring plate 12, the rotating shaft 14 rotatably connected to the fixed groove 13, and the swing plate 15 fixedly connected to the rotating shaft 14 are cooperated, so that during the rotation of the stirring plate 12, the swing plate 15 swings under the action of inertia, thereby further improving the waste heat recovery effect of the device.

[0026] During use, based on the first embodiment, when the stirring plate 12 rotates, in conjunction with the fixed groove 13 provided on the stirring plate 12, the rotating shaft 14 rotatably connected to the fixed groove 13, and the swinging plate 15 fixedly connected to the rotating shaft 14, the stirring plate 12 rotates and the swinging plate 15 swings under the action of inertia.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A boiler waste heat utilization device, comprising a boiler body (1) and a water pump (2), characterized in that: The top of the boiler body (1) is provided with a smoke outlet (3), the top of the water pump (2) is fixedly connected with an exchange tube (4), and a stirring assembly is arranged inside the exchange tube (4); The stirring assembly comprises an impeller (5) and a transmission rod (6); a baffle (7) is fixedly connected to the inner wall of the exchange tube (4); a bevel gear 1 (8) is fixedly connected to the front end of the impeller (5); a bevel gear 2 (9) is fixedly connected to the side of the transmission rod (6); a belt (10) is arranged on the outer side of the transmission rod (6); a rotating rod (11) is rotatably connected to the inner wall of the exchange tube (4); and a stirring plate (12) is fixedly connected to the side of the rotating rod (11).

2. A boiler waste heat utilization device according to claim 1, characterized in that: The bevel gear 2 (9) is located at the front end of the bevel gear 1 (8), and the bevel gear 2 (9) is in meshing state with the bevel gear 1 (8).

3. A boiler waste heat utilization device according to claim 2, characterized in that: The belt (10) is located away from a side of the transmission rod (6), and the belt (10) is located outside the transmission rod (6).

4. A boiler waste heat utilization device according to claim 3, characterized in that: The baffle plate (7) is located on the side of the impeller (5), and the baffle plate (7) is located on a side of the impeller (5) close to the water pump (2).

5. A boiler waste heat utilization device according to claim 4, characterized in that: A swing assembly is provided inside the exchange tube (4); The swing assembly comprises a fixing groove (13), the interior of the fixing groove (13) is rotatably connected to a rotating shaft (14), and the outer side of the rotating shaft (14) is fixedly connected to a swing plate (15).

6. A boiler waste heat utilization device according to claim 5, characterized in that: The swing plate (15) is located in the fixing groove (13).

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