Exhaust gas waste heat recovery and utilization device

Abstract

The utility model relates to waste gas utilization technical field, proposed waste gas waste heat recycling device, including the box, both sides of the box all are fixedly connected with the fairlead, one side of the fairlead all is fixedly connected with the fairlead pipe, one side fixed connection of the fairlead pipe has the connecting ring, the outside of connecting ring is equipped with the connecting hole that distributes evenly, one side fixed connection of the box has the water guide frame, the other side fixed connection of the box has the water outlet frame, both sides of the box inner wall all are fixedly connected with the support ring, the inside rotatable connection of support ring has the mounting panel, the common fixed connection of two mounting panels has the heat exchange pipe, the utility model discloses one end of water guide frame passes into the cold water to the inside of heat exchange pipe, makes waste gas to be able to heat the cold water in the inside of heat exchange pipe, the water that passes through the heated water flows out from the inside of water outlet frame, can prevent the water temperature reduction that the water inlet end and the water outlet end are adjacent to set up, the utilization efficiency reduction problem of the residual heat.

Description

Technical Field

[0001] This utility model relates to the field of waste gas utilization technology, specifically to a waste gas waste heat recovery and utilization device. Background Technology

[0002] Waste heat refers to the sensible and latent heat that has not been properly utilized in the original design of industrial energy-consuming equipment due to limitations in history, technology, and concepts. The waste heat in the exhaust gas contains a large amount of heat that needs to be discharged, and the inability to make reasonable use of it results in a large amount of resource waste. Recycling devices can better recover these resources.

[0003] According to the search, the waste heat recovery and utilization device for exhaust gas described in announcement number CN222733417U includes a main housing. An exhaust hood is fixedly installed on one side of the main housing, and an air inlet hood is fixedly installed on the other side. A rotating mounting plate is movably installed at the front end, and multiple heat exchange copper tubes are inserted inside the rotating mounting plate. A rotating water guide plate is movably installed at the rear end of the main housing. A partition plate is integrally formed inside the rotating water guide plate. A rotary joint is fixedly installed at the rear end of the rotating water guide plate, and a water pipe joint is fixedly installed at the rear end of the rotary joint. A belt mounting ring is fixedly installed at the rear end of the rotating water guide plate outside the rotary joint. A connecting mounting plate is fixedly installed at the rear end of the main housing on one side of the rotating water guide plate, and a drive pulley is movably installed at the front end of the connecting mounting plate.

[0004] This utility model is mainly used for waste heat recovery from exhaust gas.

[0005] However, the above-mentioned waste heat recovery and utilization device still has the following problems: by setting the inlet and outlet of the recovery and utilization device close to each other, the water heated by the waste heat is subjected to heat exchange between the cold water at the inlet and outlet, which causes the temperature to drop, thereby reducing the utilization efficiency of waste heat. In addition, strong vibration is generated during the rotation of the heat exchange tube inside, which affects the service life of the equipment. Utility Model Content

[0006] This utility model proposes a waste heat recovery and utilization device for exhaust gas, which solves the problems of reduced waste heat utilization efficiency and reduced equipment service life.

[0007] The technical solution of this utility model is as follows: a waste heat recovery and utilization device for waste gas includes a box body. A flow guide frame is fixedly connected to both sides of the box body. A flow guide pipe is fixedly connected to one side of each flow guide frame. A connecting ring is fixedly connected to one side of each flow guide pipe. Evenly distributed connecting holes are opened on the outer side of the connecting ring. A water guide frame is fixedly connected to one side of the box body, and a water outlet frame is fixedly connected to the other side of the box body. Support rings are fixedly connected to both sides of the inner wall of the box body. Mounting plates are rotatably connected inside the support rings. A heat exchange pipe is fixedly connected between the two mounting plates. Flow guide holes corresponding to the heat exchange pipe are opened inside the mounting plates.

[0008] The mounting plate has a gear groove in the middle, and a drive component that can mesh with the gear groove is provided on one side of the top of the housing. Vibration damping components that can buffer are provided at the four corners of the bottom of the housing.

[0009] Preferably, the drive assembly includes a drive frame, which is fixedly connected to one side of the top of the housing. A drive motor is fixedly connected to one side of the drive frame. One end of the output shaft of the drive motor passes through the drive frame and is fixedly connected to a drive gear. The bottom end of the drive gear meshes with a gear slot.

[0010] Preferably, the vibration damping component includes a damping sleeve, which is fixedly connected to the four corners of the bottom of the housing. A movable baffle is movably connected inside the damping sleeve. A buffer rod is fixedly connected to the bottom end of the movable baffle. A fixing plate is fixedly connected to the bottom end of the buffer rod. A fixing hole is provided on one side of the fixing plate.

[0011] Preferably, a damper is fixedly connected to the inner top wall of the shock-absorbing sleeve, a shock-absorbing spring is fixedly connected to the bottom end of the damper, and the bottom end of the shock-absorbing spring is fixedly connected to the movable baffle.

[0012] Preferably, the outer side of the mounting plate is fixedly connected with symmetrical sealing rings, and the sealing rings are rotatably connected to the inner wall of the support ring.

[0013] Preferably, a water inlet pipe is fixedly connected to the middle of one side of the water guide frame.

[0014] Preferably, a drain pipe is fixedly connected to the middle of the bottom end of the water outlet frame.

[0015] The beneficial effects of this utility model are as follows:

[0016] 1. In this utility model, one end of the guide pipe can be connected and fixed to the exhaust end of the exhaust gas through the connecting ring and connecting hole, so that the exhaust gas can be discharged into the box and exchange heat with the cold water inside the heat exchange tube. Cold water is introduced into the heat exchange tube through one end of the water guide frame, so that the exhaust gas can heat the cold water inside the heat exchange tube. The heated water flows out from the inside of the water outlet frame, which can prevent the water temperature from dropping due to the adjacent placement of the water inlet and the water outlet, thus reducing the efficiency of waste heat utilization.

[0017] 2. In this utility model, the drive component meshes with the gear groove to drive the heat exchange tube to rotate, so that the heat exchange tube can be in uniform contact with the heat flow of the exhaust gas, thereby improving the utilization rate of the waste heat of the exhaust gas. Furthermore, the vibration damping component can reduce the overall vibration impact and extend the overall service life. Attached Figure Description

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 This is a schematic diagram of the structure proposed in this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the box proposed in this utility model;

[0021] Figure 3 This is a schematic diagram of the drive component structure proposed in this utility model;

[0022] Figure 4 This is a schematic diagram of the vibration damping component structure proposed in this utility model;

[0023] In the diagram: 1. Housing; 2. Flow guide frame; 3. Flow guide pipe; 4. Connecting ring; 5. Connecting hole; 6. Water guide frame; 7. Water outlet frame; 8. Drive assembly; 81. Drive frame; 82. Drive motor; 83. Drive gear; 9. Vibration damping assembly; 91. Vibration damping sleeve; 92. Damper; 93. Vibration damping spring; 94. Movable baffle; 95. Buffer rod; 96. Fixing plate; 97. Fixing hole; 10. Water inlet pipe; 11. Mounting plate; 12. Gear groove; 13. Support ring; 14. Flow guide hole; 15. Heat exchange pipe; 16. Sealing ring; 17. Drain pipe. Detailed Implementation

[0024] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0025] Please see Figure 1-2 This utility model provides a technical solution for a waste gas waste heat recovery and utilization device: The waste gas waste heat recovery and utilization device includes a housing 1. Both sides of the housing 1 are fixedly connected to guide frames 2. One side of each guide frame 2 is fixedly connected to a guide pipe 3. One side of each guide pipe 3 is fixedly connected to a connecting ring 4. The outer side of the connecting ring 4 has evenly distributed connecting holes 5. The entire device can be connected and fixed to the waste gas pipeline through the connecting ring 4 and the connecting holes 5. One side of the housing 1 is fixedly connected to a water guide frame 6. The middle of one side of the water guide frame 6 is fixedly connected to a water inlet pipe 10. Cold water can be introduced into the water guide frame 6 through the water inlet pipe 10, allowing the water inside the water guide frame 6 to enter the heat exchange tube 15 through the guide holes 14. The other side of the housing 1... A water outlet frame 7 is fixedly connected, and a drain pipe 17 is fixedly connected to the middle of the bottom end of the water outlet frame 7. The hot water inside the water outlet frame 7 can be discharged outward through the drain pipe 17. Support rings 13 are fixedly connected to both sides of the inner wall of the tank 1. The support rings 13 are rotatably connected to the inside of the support rings 13. The outer side of the support rings 11 is fixedly connected to symmetrical sealing rings 16. The sealing rings 16 are rotatably connected to the inner wall of the support rings 13. The sealing rings 16 can seal the gap between the support rings 11 and the inner wall of the support rings 13 to prevent leakage of exhaust gas during discharge. A heat exchange tube 15 is fixedly connected between the two support rings 11. The inside of the support rings 11 is provided with guide holes 14 corresponding to the heat exchange tube 15.

[0026] A gear groove 12 is provided in the middle of the mounting plate 11. A drive assembly 8 that can mesh with the gear groove 12 is provided on one side of the top of the housing 1. Vibration damping assemblies 9 that can play a buffering role are provided at the four corners of the bottom of the housing 1.

[0027] Please see Figure 3 The drive assembly 8 includes a drive frame 81, which is fixedly connected to one side of the top of the housing 1. A drive motor 82 is fixedly connected to one side of the drive frame 81. One end of the output shaft of the drive motor 82 passes through the drive frame 81 and is fixedly connected to a drive gear 83. The bottom end of the drive gear 83 meshes with the gear groove 12. The drive motor 82 drives the drive gear 83 to rotate, so that the drive gear 83 meshes with the inside of the gear groove 12, which can drive the mounting plate 11 to rotate. This can drive the heat exchange tube 15 to rotate inside the housing 1, so that the heat exchange tube 15 can evenly contact the heat in the exhaust gas and better utilize the waste heat of the exhaust gas.

[0028] Please see Figure 4The vibration damping assembly 9 includes a damping sleeve 91, which is fixedly connected to the four corners of the bottom of the housing 1. A movable baffle 94 is movably connected inside the damping sleeve 91. A buffer rod 95 is fixedly connected to the bottom of the movable baffle 94. A fixing plate 96 is fixedly connected to the bottom of the buffer rod 95. A fixing hole 97 is opened on one side of the fixing plate 96. A damper 92 is fixedly connected to the inner top wall of the damping sleeve 91. A damping spring 93 is fixedly connected to the bottom of the damper 92. The bottom of the damping spring 93 is fixedly connected to the movable baffle 94. The fixing plate 96 and the fixing hole 97 can stably connect the housing 1. Through the action of the damper 92 and the damping spring 93, vibration energy can be absorbed, reducing the impact of vibration on the overall equipment.

[0029] The working principle and usage process of this utility model are as follows: Connect the connecting ring 4 to the exhaust gas pipe and fix it. Connect the water inlet pipe 10 to the water inlet end and input cold water into the water outlet frame 7. The exhaust gas enters the box 1 and the cold water enters the heat exchange tube 15 through the guide hole 14. Control the drive motor 82 to drive the drive gear 83 to rotate, so that the drive gear 83 meshes with the gear groove 12 and drives the mounting plate 11 to rotate inside the support ring 13, so that the heat exchange tube 15 rotates inside the box 1, so that each heat exchange tube 15 can contact the exhaust gas and exchange heat with the cold water inside the heat exchange tube 15, heating the cold water inside the heat exchange tube 15. The heated water flows into the water outlet frame 7 and flows out through the drain pipe 17. At the same time, through the combined action of the damper 92 and the shock absorption spring 93, the vibration energy in the equipment can be dissipated and the vibration impact on the equipment can be reduced.

[0030] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A waste heat recovery and utilization device, comprising a housing (1), characterized in that, Both sides of the box (1) are fixedly connected to the flow guide frame (2), and one side of the flow guide frame (2) is fixedly connected to the flow guide pipe (3). One side of the flow guide pipe (3) is fixedly connected to the connecting ring (4). The outer side of the connecting ring (4) is provided with evenly distributed connecting holes (5). One side of the box (1) is fixedly connected to the water guide frame (6). The other side of the box (1) is fixedly connected to the water outlet frame (7). Both sides of the inner wall of the box (1) are fixedly connected to the support ring (13). The inside of the support ring (13) is rotatably connected to the mounting plate (11). The two mounting plates (11) are fixedly connected to the heat exchange pipe (15). The inside of the mounting plate (11) is provided with the flow guide hole (14) corresponding to the heat exchange pipe (15). The mounting plate (11) has a gear groove (12) in the middle. A drive assembly (8) that can mesh with the gear groove (12) is provided on one side of the top of the housing (1). Vibration damping assemblies (9) that can play a buffering role are provided at the four corners of the bottom of the housing (1).

2. The waste heat recovery and utilization device according to claim 1, characterized in that, The drive assembly (8) includes a drive frame (81), which is fixedly connected to one side of the top of the housing (1). A drive motor (82) is fixedly connected to one side of the drive frame (81). One end of the output shaft of the drive motor (82) passes through the drive frame (81) and is fixedly connected to a drive gear (83). The bottom end of the drive gear (83) meshes with the gear groove (12).

3. The waste heat recovery and utilization device according to claim 1, characterized in that, The vibration damping component (9) includes a damping sleeve (91), which is fixedly connected to the four corners of the bottom of the housing (1). A movable baffle (94) is movably connected inside the damping sleeve (91). A buffer rod (95) is fixedly connected to the bottom of the movable baffle (94). A fixing plate (96) is fixedly connected to the bottom of the buffer rod (95). A fixing hole (97) is provided on one side of the fixing plate (96).

4. The waste heat recovery and utilization device according to claim 3, characterized in that, A damper (92) is fixedly connected to the inner top wall of the damping sleeve (91), and a damping spring (93) is fixedly connected to the bottom end of the damper (92). The bottom end of the damping spring (93) is fixedly connected to the movable baffle (94).

5. The waste heat recovery and utilization device according to claim 1, characterized in that, The outer side of the mounting plate (11) is fixedly connected with symmetrical sealing rings (16), and the sealing rings (16) are rotatably connected to the inner wall of the support ring (13).

6. The waste heat recovery and utilization device according to claim 1, characterized in that, A water inlet pipe (10) is fixedly connected to the middle of one side of the water guide frame (6).

7. The waste heat recovery and utilization device according to claim 1, characterized in that, A drain pipe (17) is fixedly connected to the middle of the bottom end of the water outlet frame (7).

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