Heat energy recovery device for power engineering

Abstract

The utility model discloses a heat energy recovery device for power engineering, which comprises a base, a heat source inlet box is vertically arranged at the top of the base, a heat exchange box is vertically arranged at the top of the base, a plurality of heat exchange pipes are transversely arranged on the side wall of the heat exchange box in a penetrating manner, and a scale cleaning assembly is arranged at the top in the heat exchange box. The heat energy recovery device for the heat energy power engineering is provided with a motor, a lead screw, a threaded block, a rectangular plate and a round scale removing hole, the lead screw is driven to rotate by starting the motor, the scale removing hole is formed in the top of the motor, and the scale removing hole is formed in the top of the motor; the screw rod drives the threaded block to transversely move, the threaded block drives the rectangular plate to move in the heat exchange box, water on the outer side of the heat exchange pipe is cleaned through the round scale removing holes formed in the rectangular plate, and then the situation that normal heat exchange is blocked by scale on the outer side of the heat exchange pipe is prevented.

Description

Technical Field

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

[0002] Heat recovery is the process of recycling heat generated in industry to improve energy utilization, reduce environmental pollution, and facilitate the use of efficient and clean energy. It is used to recycle unused heat from waste and scrap, or to recycle heat that is not effectively utilized in other heat-generating equipment to increase energy conversion efficiency, thereby increasing energy utilization and reducing resource waste.

[0003] The Chinese patent with the publication number CN215676592U discloses a heat recovery device for thermal power engineering, including a recovery box and a base, the recovery box is fixedly installed on the base, and the upper and lower ends of the recovery box are respectively provided with an air guide chamber and a heat exchange chamber, and one end of the air guide chamber is provided with a vent hole, the inlet end of the air guide chamber is externally connected with a hot air introduction pipe, and a flow control valve is fixedly installed on the hot air introduction pipe, a heat exchange mechanism is installed inside the heat exchange chamber, and an exhaust pipe is fixedly installed at the outlet end of the heat exchange chamber; the heat exchange mechanism includes a plurality of heat exchange tubes, and the first water collecting tank and the second water collecting tank are fixedly installed at both ends of the heat exchange tube, and a hot water outlet pipe is fixedly installed at the outlet end of the second water collecting tank, and a plurality of partitions are fixedly installed on the inner side of the heat exchange tube. The utility model can recycle the heat of thermal energy gas to avoid wasting resources.

[0004] However, the above patent has the following shortcomings: in the above patent, when the heat exchange tubes in the recovery box are in contact with water for a long time, a large amount of scale will be generated on their surface. If the scale is not cleaned in time, the heat in the heat exchange tubes cannot be exchanged with water to the maximum extent. Utility Model Content

[0005] The purpose of the utility model is to provide a heat energy recovery device for power engineering to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat energy recovery device for power engineering, comprising a base, a heat source inlet box is vertically installed on the top of the base, and a heat source air inlet is installed on the side wall of the heat source inlet box, a heat exchange box is vertically installed on the top of the base, and a water injection port is installed on the top of the heat exchange box, a plurality of heat exchange tubes are installed transversely through the side wall of the heat exchange box, a scale cleaning component is arranged on the top of the heat exchange box, an exhaust box is vertically installed on the top of the base, and an exhaust pipe is vertically installed on the top of the exhaust box, a filter component is arranged in the exhaust pipe, and an opening component is arranged on the outside of the exhaust pipe;

[0007] The scale cleaning assembly includes a motor, a screw, a threaded block, a rectangular plate and a circular scale removal hole. The motor is installed on the outside of the heat exchange box, and a screw is installed at the top position of the heat exchange box for horizontal rotation. The output end of the motor passes through the outer wall of the base and is connected to the end of the screw. The outer side of the screw is threadedly connected to a threaded block, and a rectangular plate is vertically installed at the bottom of the threaded block. A plurality of circular scale removal holes are opened on the rectangular plate, and heat exchange tubes are inserted into the circular scale removal holes in sequence.

[0008] By adopting the above technical solution, the scale on the outside of each heat exchange tube can be cleaned.

[0009] As a further solution of the utility model: a plurality of connecting rods are installed on the outer wall of the rectangular plate, and scrapers are installed on the ends of the connecting rods.

[0010] By adopting the above technical solution, the inner wall of the heat exchange box can be cleaned.

[0011] As a further solution of the utility model: one end of each of the heat exchange tubes is connected to the heat source inlet box, and the other end of the heat exchange tubes is connected to the exhaust box.

[0012] By adopting the above technical solution, it is achieved that the gas enters and then is discharged.

[0013] As a further solution of the utility model: the outer side of the heat exchange box is wrapped with a heat preservation layer.

[0014] By adopting the above technical solution, the heat exchange box can be kept warm.

[0015] As a further solution of the utility model: a heat insulation layer is installed on the inner wall of the box where the heat source enters.

[0016] By adopting the above technical solution, the heat source entering the box can be kept warm.

[0017] As a further solution of the utility model: the filter assembly includes an insertion groove and a filter plate, the filter plate is provided in the exhaust pipe, and the insertion groove is movably inserted in the filter plate.

[0018] By adopting the above technical solution, the exhaust gas can be filtered.

[0019] As a further solution of the utility model: the opening assembly includes a sealing plate and bolts, the outer wall of the exhaust pipe is provided with a sealing plate, and the sealing plate is connected to the outer wall of the exhaust pipe through bolts, and the bolts are threadedly connected to the exhaust pipe.

[0020] By adopting the above technical solution, regular replacement of the insertion slot is achieved.

[0021] As a further solution of the utility model: a collecting water tank is installed on the top of the base, and the collecting water tank is connected with the heat exchange box through a water pipe, and the outer side of the collecting water tank is wrapped with a heat preservation layer.

[0022] By adopting the above technical solution, energy recovery and utilization is achieved.

[0023] Compared with the prior art, the utility model has the following beneficial effects: the heat energy recovery device for power engineering,

[0024] A motor, a screw rod, a threaded block, a rectangular plate and a circular descaling hole are provided. When it is necessary to clean the water on the outside of the heat exchange tube, the motor is started to drive the screw rod to rotate, and the screw rod drives the threaded block to move horizontally, and the threaded block drives the rectangular plate to move in the heat exchange box, and the water on the outside of the heat exchange tube is cleaned through the circular descaling hole opened on the rectangular plate, thereby preventing the scale on the outside of the heat exchange tube from blocking the normal exchange of heat;

[0025] In addition, the heat energy recovery device for power engineering is also provided with a connecting rod and a scraper. During the movement of the rectangular plate, the scraper is driven by the connecting rod installed on the outside of the rectangular plate to move back and forth in the heat exchange box, thereby cleaning the inner wall of the heat exchange box. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the cross-sectional structure of the heat exchange box of the utility model;

[0028] Figure 3 This is a schematic diagram of the three-dimensional structure of the scale cleaning component of the utility model;

[0029] Figure 4 This is a schematic diagram of the cross-sectional structure of the heat source entry box and the heat insulation layer of the utility model;

[0030] Figure 5 This is a schematic diagram of the cross-sectional structure of the exhaust pipe of the utility model.

[0031] In the figure: 1. base; 2. heat exchange box; 3. heat source inlet box; 4. heat exchange tube; 5. motor; 6. exhaust box; 7. exhaust pipe; 8. sealing plate; 9. bolt; 10. rectangular plate; 11. circular descaling hole; 12. threaded block; 13. screw rod; 14. connecting rod; 15. scraper; 16. insulation layer; 17. insertion groove; 18. filter plate; 19. heat source air inlet; 20. water filling port; 21. water collection tank. DETAILED DESCRIPTION

[0032] 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.

[0033] See also Figure 1 -5. The utility model provides a technical solution: a heat energy recovery device for power engineering, comprising a base 1, a heat source entry box 3 is vertically installed on the top of the base 1, and a heat source air inlet 19 is installed on the side wall of the heat source entry box 3, a heat exchange box 2 is vertically installed on the top of the base 1, and a water injection port 20 is installed on the top of the heat exchange box 2, a plurality of heat exchange tubes 4 are installed transversely through the side wall of the heat exchange box 2, a scale cleaning component is arranged on the top of the heat exchange box 2, an exhaust box 6 is vertically installed on the top of the base 1, and an exhaust pipe 7 is vertically installed on the top of the exhaust box 6, a filter component is arranged in the exhaust pipe 7, and an opening component is arranged on the outside of the exhaust pipe 7;

[0034] The scale cleaning assembly includes a motor 5, a screw 13, a threaded block 12, a rectangular plate 10 and a circular descaling hole 11. The motor 5 is installed outside the heat exchange box 2, and the screw 13 is installed at the top position of the heat exchange box 2 for horizontal rotation. The output end of the motor 5 passes through the outer wall of the base 1 and is connected to the end of the screw 13. The screw block 12 is threadedly connected to the outer side of the screw 13, and a rectangular plate 10 is vertically installed at the bottom of the threaded block 12. A plurality of circular descaling holes 11 are opened on the rectangular plate 10, and heat exchange tubes 4 are inserted into the circular descaling holes 11 in sequence.

[0035] Specifically, the screw rod 13 is driven to rotate by starting the motor 5, and the screw rod 13 drives the threaded block 12 to move laterally. The threaded block 12 drives the rectangular plate 10 to move in the heat exchange box 2, and the circular descaling holes 11 opened on the rectangular plate 10 are used to scrape and clean the outside of the heat exchange tube 4, thereby preventing the scale on the outside of the heat exchange tube 4 from blocking the normal exchange of heat.

[0036] Furthermore, a plurality of connecting rods 14 are installed on the outer wall of the rectangular plate 10, and scrapers 15 are installed at the ends of the connecting rods 14;

[0037] Specifically, during the movement of the rectangular plate 10 , the connection rod 14 installed on the outer side of the rectangular plate 10 drives the scraper 15 to move back and forth in the heat exchange box 2 , thereby cleaning the inner wall of the heat exchange box 2 .

[0038] Further, one end of each heat exchange tube 4 is connected to the heat source inlet box 3, and the other end of each heat exchange tube 4 is connected to the exhaust box 6;

[0039] Specifically, the hot gas enters the heat source entry box 3 through the heat source air inlet 19, and then is injected into each heat exchange tube 4 through the heat source entry box 3. The heat exchange tube 4 exchanges energy with water when passing through the heat exchange box 2, and then the gas enters the exhaust box 6 and is discharged through the exhaust pipe 7.

[0040] Furthermore, the outer side of the heat exchange box 2 is wrapped with a heat preservation layer;

[0041] Specifically, the water in the heat exchange box 2 is kept warm by the heat insulation layer on the outside of the heat exchange box 2 .

[0042] Furthermore, a heat insulating layer 16 is installed on the inner wall of the heat source entry box 3;

[0043] Specifically, by installing a heat insulation layer 16 in the heat exchange box 2, it can be ensured that the energy of the hot air entering the box 3 from the heat source is lost.

[0044] Furthermore, the filter assembly includes an insertion slot 17 and a filter plate 18. The filter plate 18 is provided in the exhaust pipe 7, and the insertion slot 17 is movably inserted in the filter plate 18.

[0045] Specifically, when the gas passes through the exhaust pipe 7, the exhaust gas is filtered by the filter plate 18 installed in the insertion groove 17, thereby reducing the pollution of the exhaust gas to the environment.

[0046] Further, the opening assembly includes a sealing plate 8 and a bolt 9, the outer wall of the exhaust pipe 7 is provided with a sealing plate 8, and the sealing plate 8 is connected to the outer wall of the exhaust pipe 7 through the bolt 9, and the bolt 9 is threadedly connected to the exhaust pipe 7;

[0047] Specifically, when the filter plate 18 needs to be replaced, it is uninstalled by rotating the bolts 9 installed on the exhaust pipe 7, and then the sealing plate 8 is removed and the filter plate 18 is taken out from the insertion groove 17, and then the filter plate 18 is replaced, and then the sealing plate 8 is fixed to the exhaust pipe 7 by the bolts 9 to seal it.

[0048] Furthermore, a water collection tank 21 is installed on the top of the base 1, and the water collection tank 21 is connected to the heat exchange tank 2 through a water pipe, and the outside of the water collection tank 21 is wrapped with a heat preservation layer;

[0049] Specifically, the hot water in the heat exchange tank 2 is brought into the collection water tank 21 for storage by starting the water pump in the collection water tank 21 .

[0050] Working principle: When using the heat recovery device for thermal power engineering, hot gas enters the heat source entry box 3 through the heat source air inlet 19, and then injects the gas into each heat exchange tube 4 through the heat source entry box 3. The heat exchange tube 4 exchanges energy with water when passing through the heat exchange box 2, and then the gas enters the exhaust box 6 and is discharged through the exhaust pipe 7. When it is necessary to clean the outside of the heat exchange tube 4, the screw rod 13 is driven to rotate by the starting motor 5, and the screw rod 13 drives the threaded block 12 to move horizontally, and the rectangular plate 10 is driven by the threaded block 12 to move in the heat exchange box 2. The circular descaling holes 11 opened on the rectangular plate 10 are used to scrape and clean the water on the outside of the heat exchange tube 4, thereby preventing the scale on the outside of the heat exchange tube 4 from blocking the normal exchange of heat. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0051] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0052] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A heat recovery device for power engineering, comprising a base (1), characterized in that: A heat source inlet box (3) is vertically mounted on the top of the base (1), and a heat source air inlet (19) is mounted on the side wall of the heat source inlet box (3); a heat exchange box (2) is vertically mounted on the top of the base (1), and a water injection port (20) is mounted on the top of the heat exchange box (2); a plurality of heat exchange tubes (4) are horizontally penetrated and mounted on the side wall of the heat exchange box (2); a scale cleaning component is arranged on the top of the heat exchange box (2); an exhaust box (6) is vertically mounted on the top of the base (1), and an exhaust pipe (7) is vertically mounted on the top of the exhaust box (6); a filter component is arranged inside the exhaust pipe (7), and an opening component is arranged on the outside of the exhaust pipe (7); The scale cleaning component comprises a motor (5), a screw (13), a threaded block (12), a rectangular plate (10) and a circular scale removal hole (11); the motor (5) is installed on the outside of the heat exchange box (2), and the screw (13) is installed at the top position of the heat exchange box (2) for transverse rotation; the output end of the motor (5) passes through the outer wall of the base (1) and is connected to the end of the screw (13); the screw block (12) is threadedly connected to the outer side of the screw (13), and a rectangular plate (10) is vertically installed at the bottom of the threaded block (12); a plurality of circular scale removal holes (11) are penetrated and opened on the rectangular plate (10), and heat exchange tubes (4) are sequentially inserted into the circular scale removal holes (11).

2. A heat recovery device for power engineering according to claim 1, characterized in that: A plurality of connecting rods (14) are installed on the outer wall of the rectangular plate (10), and scrapers (15) are installed at the ends of the connecting rods (14).

3. A heat recovery device for power engineering according to claim 1, characterized in that: One end of each of the heat exchange tubes (4) is connected to the heat source inlet box (3), and the other end of each of the heat exchange tubes (4) is connected to the exhaust box (6).

4. A heat recovery device for power engineering according to claim 1, characterized in that: The outer side of the heat exchange box (2) is wrapped with a heat preservation layer.

5. The heat recovery device for power engineering according to claim 1, characterized in that: A heat insulation layer (16) is installed on the inner wall of the heat source entry box (3).

6. A heat recovery device for power engineering according to claim 1, characterized in that: The filter assembly comprises an insertion groove (17) and a filter plate (18); the filter plate (18) is provided in the exhaust pipe (7), and the insertion groove (17) is movably inserted in the filter plate (18).

7. The heat recovery device for power engineering according to claim 1, characterized in that: The opening assembly comprises a sealing plate (8) and a bolt (9); the outer wall of the exhaust pipe (7) is provided with a sealing plate (8), and the sealing plate (8) is connected to the outer wall of the exhaust pipe (7) via the bolt (9); the bolt (9) and the exhaust pipe (7) are threadedly connected.

8. The heat recovery device for power engineering according to claim 1, characterized in that: A water collection tank (21) is installed on the top of the base (1), and the water collection tank (21) is connected to the heat exchange tank (2) through a water pipe, and the outside of the water collection tank (21) is wrapped with a heat insulation layer.

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