Heat energy recovery device for heat energy power engineering

Abstract

The utility model relates to the technical field of heat energy power engineering, in particular to a heat energy recovery device for heat energy power engineering, which comprises a main body, a heat exchange cavity is arranged in the main body, a water inlet is arranged on one side of the main body, a plurality of heat exchange tubes are arranged in the heat exchange cavity, and a water outlet is arranged on one side of the main body. The water inlet is communicated with the heat exchange pipes, the water outlet is communicated with the heat exchange pipes, a plurality of partition plates are arranged in the heat exchange cavity, one ends of the heat exchange pipes penetrate through the partition plates to be arranged on one sides of the partition plates, an air inlet is formed in one side of the main body, and the air inlet is communicated with the heat exchange cavity. And a hot air ingress pipe is arranged in the air inlet. According to the utility model, the hot air ingress pipe can be conveniently mounted or dismounted through the limiting mechanism, the use convenience of the hot air ingress pipe is improved, the mounting stability of the filter plate is improved through the fixing mechanism, and the filter plate can be conveniently taken out for cleaning and maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal energy power engineering, in particular to a heat energy recovery device for thermal energy power engineering. Background Art

[0002] Power engineering is a field of applied engineering technology that studies the theory and technology of energy conversion, transmission and utilization in the engineering field, improves energy utilization, reduces primary energy consumption and pollutant emissions, and promotes the sustainable development of the national economy. It is closely related to human production and life. It has a long history and is one of the three major frontier fields of energy, information and materials in the economic development of the 21st century. In the process of using thermal energy as a power source for processing, the thermal energy is generally discharged directly through high-temperature exhaust gas, and the high-temperature exhaust gas needs to be heat recovered.

[0003] In a heat recovery device for thermal power engineering, the public specification of the Chinese utility model patent application is CN214407122U. Although it has the advantage that the exhaust gas inside the exchange tube can evenly and fully heat the water inside the heat recovery box, thereby improving the heat recovery efficiency, it does not solve the problems that the intake pipe of the high-temperature exhaust gas is not stable enough, making it inconvenient to install or disassemble the air inlet; the filter plate at the exhaust port is not installed stably enough, making it inconvenient to clean and maintain the filter plate. Utility Model Content

[0004] The purpose of the utility model is to provide a heat recovery device for thermal power engineering to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A heat recovery device for thermal power engineering comprises a main body, a heat exchange cavity is provided inside the main body, a water inlet is provided on one side of the main body, a plurality of heat exchange tubes are arranged inside the heat exchange cavity, a water outlet is provided on one side of the main body, the water inlet is communicated with the heat exchange tube, the water outlet is communicated with the heat exchange tube, a plurality of partitions are provided inside the heat exchange cavity, one end of the heat exchange tube passes through the partition and is arranged on one side of the partition, an air inlet is provided on one side of the main body, the air inlet is communicated with the heat exchange cavity, a hot air introduction pipe is arranged inside the air inlet, grooves are provided on both sides of the air inlet, a limiting mechanism is provided inside the groove, an exhaust port is provided on one side of the main body, a mounting groove is provided on one side of the exhaust port, a filter plate is provided inside the exhaust port, one end of the filter plate is arranged inside the mounting groove, a cavity is provided at the top of the exhaust port, an active cavity is provided at the top of the cavity, and fixing mechanisms are provided inside the cavity and the active cavity.

[0007] The limiting mechanism includes a limiting block, a first spring, a damper, an arc groove and a limiting groove. The limiting block is movably arranged inside the groove. A first spring is arranged at one end of the limiting block. A damper is arranged at one end of the first spring. Arc grooves are provided on both sides of one end of the hot air inlet pipe. Limiting grooves are provided on both sides of the hot air inlet pipe. One end of the limiting block is arranged inside the limiting groove.

[0008] The fixing mechanism includes a limit rod, a block, a slot, a second spring and a movable rod. The limit rod is arranged inside the cavity, a block is arranged at one end of the limit rod, a slot is opened on one side of the filter plate, one end of the block is arranged in the slot, one end of the limit rod passes through the cavity and is arranged in the movable cavity, one end of the limit rod is sleeved with a second spring, a movable rod is movably arranged in the movable cavity via a rotating shaft, one end of the movable rod is connected to one end of the limit rod via a rotating shaft, one end of the movable rod passes through the main body and is arranged on one side of the main body, one end of the block is trapezoidal, and one end of the filter plate is trapezoidal.

[0009] One end of the limiting block is arranged in an arc shape, and the limiting groove is arranged in an arc shape.

[0010] Slide blocks are arranged on both sides of the limit block, slide grooves are arranged on both sides of the groove, and one side of the slide block is movably arranged inside the slide groove.

[0011] A movable groove is formed at the top end of the limit rod, a movable block is arranged at one end of the movable rod, and one end of the movable block is movably arranged inside the movable groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A heat recovery device for thermal power engineering, inserting one end of a hot air inlet pipe into an air inlet so that the arc groove is aligned with both ends of the air inlet, so that the limit block is inserted into the arc groove, and then the hot air inlet pipe is rotated so that the limit block is inserted into the limit groove, and the limit block is pushed by a first spring and a damper so that the limit block is firmly fixed inside the limit groove to limit the hot air inlet pipe. After use, the hot air inlet pipe is rotated, and the trapezoidal setting of the limit block and the limit groove facilitates the limit block to move out of the limit groove and into the arc groove, thereby canceling the limit on the hot air inlet pipe and then pulling out the hot air inlet pipe. Through the above device, the hot air inlet pipe is easily installed or disassembled through the limit mechanism, thereby improving the convenience of using the hot air inlet pipe.

[0014] 2. In a heat recovery device for thermal power engineering, after the filter plate has been used for a period of time, the filter plate needs to be cleaned and maintained to ensure the filtering efficiency of the filter plate. At this time, the movable rod is pressed so that one end of the movable rod drives the limit rod to move, so that the card block is moved out of the card slot, and the fixation of the filter plate is cancelled, so that the filter plate is taken out and the filter plate is maintained. The trapezoidal arrangement of the card block and the filter plate facilitates the insertion of the card block into the card slot on one side of the filter plate, and then the filter plate is installed in the exhaust port so that one end of the filter plate is located in the installation slot, so that the card block is inserted into the card slot, and the card block is pushed by the second spring so that the card block is firmly fixed inside the card slot, and the filter plate is limited and fixed. Through the above device, the fixing mechanism improves the installation stability of the filter plate, and it is convenient to take out the filter plate for cleaning and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a front structural sectional view of the utility model;

[0017] Figure 3 This is a schematic diagram of the installation structure of the hot air introduction pipe of the utility model;

[0018] Figure 4 For this utility model Figure 2 A magnified schematic diagram of center A.

[0019] In the figure: 1. main body; 2. heat exchange chamber; 3. water inlet; 4. heat exchange tube; 5. water outlet; 6. partition; 7. air inlet; 8. hot air inlet pipe; 9. groove; 10. exhaust port; 11. mounting groove; 12. filter plate; 13. cavity; 14. movable cavity; 15. limit block; 16. first spring; 17. damper; 18. arc groove; 19. limit groove; 20. limit rod; 21. block; 22. groove; 23. second spring; 24. movable rod; 25. slider; 26. slide groove; 27. movable groove; 28. movable block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 4 As shown, a technical solution provided by the utility model:

[0022] A heat recovery device for thermal power engineering includes a main body 1, a heat exchange chamber 2 is provided inside the main body 1, a water inlet 3 is provided on one side of the main body 1, a plurality of heat exchange tubes 4 are provided inside the heat exchange chamber 2, a water outlet 5 is provided on one side of the main body 1, the water inlet 3 is connected to the heat exchange tube 4, the water outlet 5 is connected to the heat exchange tube 4, a plurality of partitions 6 are provided inside the heat exchange chamber 2, one end of the heat exchange tube 4 passes through the partition 6 and is arranged on one side of the partition 6, an air inlet 7 is provided on one side of the main body 1, and the air inlet 7 is connected to the heat exchange chamber 2. The air inlet 7 is connected, a hot air introduction pipe 8 is arranged inside the air inlet 7, grooves 9 are arranged on both sides of the air inlet 7, and a limiting mechanism is arranged inside the groove 9. An exhaust port 10 is arranged on one side of the main body 1, and a mounting groove 11 is arranged on one side of the exhaust port 10. A filter plate 12 is arranged inside the exhaust port 10, and one end of the filter plate 12 is arranged inside the mounting groove 11. A cavity 13 is arranged at the top of the exhaust port 10, and an active cavity 14 is arranged at the top of the cavity 13. Fixing mechanisms are arranged inside the cavity 13 and the active cavity 14. Through the above device, One end of the hot gas introduction pipe 8 is inserted into the air inlet 7, and the hot gas introduction pipe 8 is limited by a limiting mechanism, and then the high-temperature exhaust gas is introduced into the air inlet 7 through the hot gas introduction pipe 8, and the high-temperature exhaust gas flows into the heat exchange chamber 2. Cold water is introduced into the air exchange pipe through the water inlet 3, and the high-temperature exhaust gas flows through the entire heat exchange chamber 2 through the partition 6, and then input into the exhaust port 10 at one end of the heat exchange chamber 2. The high-temperature exhaust gas heats the cold water in the air exchange pipe, and the heat of the high-temperature exhaust gas is recovered, and then discharged from the exhaust port 10 after recovery. The exhausted waste gas is filtered by the filter plate 12 to absorb some harmful substances in the waste gas. After use, the limit on the hot air inlet pipe 8 is cancelled by the limit mechanism, and the hot air inlet pipe 8 is then withdrawn. After the filter plate 12 has been used for a period of time, it is necessary to clean and maintain the filter plate 12 to ensure the filtering efficiency of the filter plate 12. The fixation of the filter plate 12 is cancelled by the fixing mechanism, and the filter plate 12 is taken out, and the filter plate 12 is maintained and fixed by the fixing mechanism.

[0023] In this embodiment, preferably, the limiting mechanism includes a limiting block 15, a first spring 16, a damper 17, a hot air inlet pipe 8, an arc groove 18 and a limiting groove 19, a limiting block 15 is movably arranged inside the groove 9, a first spring 16 is arranged at one end of the limiting block 15, a damper 17 is arranged at one end of the first spring 16, an arc groove 18 is opened on both sides of one end of the hot air inlet pipe 8, and a limiting groove 19 is opened on both sides of the hot air inlet pipe 8, and one end of the limiting block 15 is arranged inside the limiting groove 19. Through the above device, one end of the hot air inlet pipe 8 is inserted into the Into the air inlet 7, so that the arc groove 18 is aligned with the two ends of the air inlet 7, so that the limit block 15 is inserted into the arc groove 18, and then the hot air inlet pipe 8 is rotated to make the limit block 15 inserted into the limit groove 19, and the limit block 15 is pushed by the first spring 16 and the damper 17, so that the limit block 15 is firmly inside the limit groove 19 to limit the hot air inlet pipe 8. After use, the hot air inlet pipe 8 is rotated to facilitate the limit block 15 to move out of the limit groove 19 and enter the arc groove 18, cancel the limit on the hot air inlet pipe 8, and then pull out the hot air inlet pipe 8.

[0024] In this embodiment, preferably, the fixing mechanism includes a limit rod 20, a block 21, a slot 22, a second spring 23 and a movable rod 24. The limit rod 20 is arranged inside the cavity 13, and a block 21 is arranged at one end of the limit rod 20. A slot 22 is opened on one side of the filter plate 12, and one end of the block 21 is arranged inside the slot 22. One end of the limit rod 20 passes through the cavity 13 and is arranged inside the movable cavity 14. A second spring 23 is sleeved on one end of the limit rod 20. A movable rod 24 is movably arranged inside the movable cavity 14 through a rotating shaft. One end of the movable rod 24 is connected to one end of the limit rod 20 through a rotating shaft. One end of the movable rod 24 passes through the main body 1 and is arranged on one side of the main body 1. One end of the block 21 is arranged in a trapezoidal shape. One end of the filter plate 12 is set in a trapezoidal shape. Through the above-mentioned device, the movable rod 24 is pressed, so that one end of the movable rod 24 drives the limiting rod 20 to move, so that the block 21 is moved out of the slot 22, and the fixation of the filter plate 12 is cancelled, so that the filter plate 12 is taken out and the filter plate 12 is maintained. The trapezoidal setting of the block 21 and the filter plate 12 facilitates the insertion of the block 21 into the slot 22 on one side of the filter plate 12, and then the filter plate 12 is installed in the exhaust port 10, so that one end of the filter plate 12 is located in the installation slot 11, so that the block 21 is inserted into the slot 22, and the block 21 is pushed by the second spring 23, so that the block 21 is firmly fixed inside the slot 22, and the filter plate 12 is limited and fixed.

[0025] In this embodiment, preferably, one end of the limit block 15 is arc-shaped, and the limit groove 19 is arc-shaped. Through the above device, it is convenient for the limit block 15 to move out of the limit groove 19 and enter the arc groove 18.

[0026] In this embodiment, preferably, sliders 25 are provided on both sides of the limit block 15, and slide grooves 26 are opened on both sides of the groove 9. One side of the slider 25 is movably arranged inside the slide groove 26. Through the above device, the limit block 15 can slide in the groove 9.

[0027] In this embodiment, preferably, a movable groove 27 is opened at the top of the limit rod 20, and a movable block 28 is arranged at one end of the movable rod 24. One end of the movable block 28 is movably arranged inside the movable groove 27. Through the above device, one end of the movable rod 24 can slide at the top of the limit rod 20, so that when one end of the movable rod 24 rotates, it drives one end of the limit rod 20 to slide up and down.

[0028] When a heat recovery device for thermal power engineering of the present embodiment is used, one end of the hot gas introduction pipe 8 is inserted into the air inlet 7 so that the arc groove 18 is aligned with the two ends of the air inlet 7, so that the limit block 15 is inserted into the arc groove 18, and then the hot gas introduction pipe 8 is rotated so that the limit block 15 is inserted into the limit groove 19, and the limit block 15 is pushed by the first spring 16 and the damper 17 so that the limit block 15 is firmly fixed inside the limit groove 19, and the hot gas introduction pipe 8 is limited, and then the high-temperature exhaust gas is introduced into the air inlet 7 through the hot gas introduction pipe 8, and the high-temperature exhaust gas flows into the heat exchange chamber 2, and the cold water is introduced into the air exchange pipe through the water inlet 3, and the high-temperature exhaust gas is circulated in the entire heat exchange chamber 2 through the partition 6. It is then input into the exhaust port 10 at one end of the heat exchange chamber 2, and the cold water in the ventilation pipe is heated by the high-temperature exhaust gas to recover the heat of the high-temperature exhaust gas, which is then discharged from the exhaust port 10. The exhausted exhaust gas is filtered by the filter plate 12 to absorb some harmful substances in the exhaust gas. After use, the hot air inlet pipe 8 is rotated, and the trapezoidal setting of the limit block 15 and the limit groove 19 makes it convenient for the limit block 15 to move out of the limit groove 19 and into the arc groove 18, thereby canceling the limit on the hot air inlet pipe 8 and then pulling out the hot air inlet pipe 8. Through the above-mentioned device and the limit mechanism, the hot air inlet pipe 8 can be easily installed or disassembled, thereby improving the convenience of using the hot air inlet pipe 8.

[0029] The block 21 is pushed by the second spring 23 so that the block 21 is firmly fixed inside the card slot 22, and the filter plate 12 is limited and fixed. Through the above device, the installation stability of the filter plate 12 is improved through the fixing mechanism, and the filter plate 12 is conveniently taken out for cleaning and maintenance.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A heat recovery device for thermal power engineering, comprising a main body (1), characterized in that: A heat exchange chamber (2) is provided inside the main body (1), a water inlet (3) is provided on one side of the main body (1), a plurality of heat exchange tubes (4) are arranged inside the heat exchange chamber (2), a water outlet (5) is provided on one side of the main body (1), the water inlet (3) is communicated with the heat exchange tube (4), the water outlet (5) is communicated with the heat exchange tube (4), a plurality of partitions (6) are arranged inside the heat exchange chamber (2), one end of the heat exchange tube (4) passes through the partition (6) and is arranged on one side of the partition (6), an air inlet (7) is provided on one side of the main body (1), the air inlet (7) is communicated with the heat exchange chamber (2), A hot air introduction pipe (8) is arranged inside the air inlet (7), grooves (9) are provided on both sides of the air inlet (7), and a limiting mechanism is arranged inside the grooves (9), an exhaust port (10) is arranged on one side of the main body (1), a mounting groove (11) is arranged on one side of the exhaust port (10), a filter plate (12) is arranged inside the exhaust port (10), one end of the filter plate (12) is arranged inside the mounting groove (11), a cavity (13) is arranged at the top end of the exhaust port (10), a movable cavity (14) is arranged at the top end of the cavity (13), and fixing mechanisms are arranged inside the cavity (13) and the movable cavity (14).

2. A heat recovery device for thermal power engineering according to claim 1, characterized in that: The limiting mechanism comprises a limiting block (15), a first spring (16), a damper (17), an arc groove (18) and a limiting groove (19); a limiting block (15) is movably arranged inside the groove (9); a first spring (16) is arranged at one end of the limiting block (15); a damper (17) is arranged at one end of the first spring (16); arc grooves (18) are provided on both sides of one end of the hot air inlet pipe (8); limiting grooves (19) are provided on both sides of the hot air inlet pipe (8); and one end of the limiting block (15) is arranged inside the limiting groove (19).

3. A heat recovery device for thermal power engineering according to claim 1, characterized in that: The fixing mechanism comprises a limiting rod (20), a clamping block (21), a clamping slot (22), a second spring (23) and a movable rod (24); a limiting rod (20) is arranged inside the cavity (13); a clamping block (21) is arranged at one end of the limiting rod (20); a clamping slot (22) is provided on one side of the filter plate (12); one end of the clamping block (21) is arranged inside the clamping slot (22); one end of the limiting rod (20) passes through the cavity (13) and is provided with a second spring (23) and a movable rod (24); The movable chamber (14) is arranged inside the movable cavity (14), one end of the limit rod (20) is sleeved with a second spring (23), a movable rod (24) is arranged inside the movable cavity (14) through a rotating shaft, one end of the movable rod (24) is connected to one end of the limit rod (20) through the rotating shaft, one end of the movable rod (24) passes through the main body (1) and is arranged on one side of the main body (1), one end of the block (21) is arranged in a trapezoidal shape, and one end of the filter plate (12) is arranged in a trapezoidal shape.

4. A heat recovery device for thermal power engineering according to claim 2, characterized in that: One end of the limiting block (15) is arranged in an arc shape, and the limiting groove (19) is arranged in an arc shape.

5. The heat recovery device for thermal power engineering according to claim 2, characterized in that: Slide blocks (25) are arranged on both sides of the limit block (15), slide grooves (26) are opened on both sides of the groove (9), and one side of the slide block (25) is movably arranged inside the slide groove (26).

6. A heat recovery device for thermal power engineering according to claim 3, characterized in that: A movable groove (27) is provided at the top end of the limit rod (20), a movable block (28) is provided at one end of the movable rod (24), and one end of the movable block (28) is movably arranged inside the movable groove (27).

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