A waste incineration waste heat recovery device

Abstract

This utility model discloses a waste incineration waste heat recovery device, relating to the field of waste heat recovery technology. It includes a base, with a gas guide groove fixedly connected to the top of the base. An air inlet is welded to the left side of the gas guide groove, and an air outlet is welded to the right side. A sealing cap is horizontally placed at the top of the gas guide groove. A heat and electricity synchronous recovery component is installed inside the gas guide groove. This waste incineration waste heat recovery device is equipped with a square plate, a heat-conducting plate, a thermoelectric generator, and a generator hub. During operation, cold water enters through the inlet, passes through a copper coil, and exits through the outlet. The heat-conducting plate absorbs heat and continuously conducts it to the interior of the square plate, exchanging heat with the copper coil to heat the water inside. A temperature difference is formed on both sides of the thermoelectric generator, generating current, thus achieving the function of simultaneous heat and electricity recovery. This solves the problem of devices lacking this function.

Description

Technical Field

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

[0002] Waste incineration is a process in which waste is reduced in volume through appropriate thermal decomposition, combustion, melting and other reactions, and then oxidized at high temperatures to become residue or molten solid matter.

[0003] Incinerators are commonly used equipment for waste incineration. The high-temperature flue gas generated during incineration is treated by flue gas treatment equipment such as desulfurization and deacidification before being discharged into the atmosphere. The heat of the high-temperature flue gas is usually recovered during the treatment process. Currently, the recovery of waste heat from waste incineration is mostly accomplished through heat exchange between heat transfer media and hot gas. The recovery is mainly reflected in the boiler's water heating. There is room for further improvement in the recovery efficiency, and it does not have the function of simultaneous heat and power recovery.

[0004] Now, a new type of waste incineration waste heat recovery equipment is proposed to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a waste incineration waste heat recovery device to solve the problem mentioned in the background art of not having the function of simultaneous heat and electricity recovery.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a waste incineration waste heat recovery device, including a base, a gas guide groove fixedly connected to the top of the base, an air inlet welded to the left side of the gas guide groove, an air outlet welded to the right side of the gas guide groove, a sealing cover horizontally placed at the top of the gas guide groove, handles welded to both sides of the top of the sealing cover, fixing bolts inserted into the four corners of the top of the sealing cover, two rows of U-shaped brackets welded to the bottom of the sealing cover, and a heat and electricity synchronous recovery component arranged inside the gas guide groove.

[0007] The recycling component includes four sets of rear connectors, which are welded to the rear end of the air guide channel. Five sets of front connectors are welded to the front end of the air guide channel. Square plates are inserted into the interior of each of the rear and front connectors. An outer fixing plate is welded to the outside of each square plate. Mounting bolts are inserted into the four corners of the outer fixing plate. A copper coil is installed inside the square plate. A water inlet is provided at the top of the copper coil, and a water outlet is provided at the bottom of the copper coil. Heat-conducting plates are fixedly connected to the left and right sides of the square plate. Multiple sets of thermoelectric generators are fixedly connected to the side of the heat-conducting plate closest to the copper coil. A generator hub is movably connected to the middle position inside the outer fixing plate.

[0008] As a further technical solution of this utility model, the shape and size of the outer side of the square plate are adapted to the shape and size of the inner side of the rear and front insertion ports, and the square plate can slide back and forth along the inner side of the rear and front insertion ports.

[0009] As a further technical solution of this utility model, the water inlet and water outlet pass through the outer fixing plate and extend to the outside, and the copper coil, water inlet and water outlet are internally connected.

[0010] As a further technical solution of this utility model, the outer side of the heat-conducting plate is flush with the side of the square plate, the side of the thermoelectric generator is attached to the copper coil, and the thermoelectric generator and the generator assembly are electrically connected.

[0011] As a further technical solution of this utility model, the fixing bolt passes through the sealing cover and extends into the interior of the air guide groove, and the shape and size of the bottom end of the sealing cover are adapted to the shape and size of the top end of the air guide groove.

[0012] As a further technical solution of this utility model, the shape and size of the U-shaped bracket inside are adapted to the shape and size of the square plate outside. The U-shaped bracket can slide up and down along the outside of the square plate, and the bottom end of the U-shaped bracket is in contact with the bottom end of the air guide groove inside.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the waste incineration waste heat recovery equipment not only realizes the function of simultaneous heat and electricity recovery, but also realizes the function of easy maintenance, and also realizes the function of increasing stability of the support plate.

[0014] (1) By setting up a rear inlet, a front inlet, a square plate, an outer fixing plate, mounting bolts, a copper coil, a water inlet, a water outlet, a heat conduction plate, a thermoelectric generator and a generator assembly line, when in use, the high-temperature flue gas generated by waste incineration enters the interior of the air guide channel through the air inlet. The square plates inside the rear inlet and the front inlet are staggered, which can extend the flow path of the flue gas and improve the efficiency of heat exchange. Cold water enters from the water inlet, passes through the copper coil and is discharged from the water outlet. The heat conduction plate absorbs heat and continuously conducts it to the interior of the square plate, and exchanges heat with the copper coil to heat the water inside. The external pipeline is connected to the water outlet to collect hot water. At the same time, because cold water continuously enters the copper coil, its surface temperature is lower than that of the heat conduction plate, a temperature difference is formed on both sides of the thermoelectric generator. The thermoelectric generator generates current, which is collected by the generator assembly line and discharged to the outside. It is collected by the external energy storage device, realizing the function of simultaneous heat and power recovery.

[0015] (2) By setting a sealing cover, handle and fixing bolt, when in use, the sealing cover covers the top of the air guide groove to increase the airtightness and is fixed by the fixing bolt. When maintenance, the fixing bolt is removed and the sealing cover can be lifted and removed by grasping the handles on both sides, thus realizing the function of easy maintenance.

[0016] (3) By setting a sealing cover and a U-shaped bracket, when in use, as the sealing cover is placed on the top of the air guide groove, the U-shaped bracket is just forked outside the square plate. Each square plate is fixed by two sets of U-shaped brackets, which can increase stability and prevent swaying displacement under the impact of airflow, thus realizing the function of supporting the plate to increase stability. Attached Figure Description

[0017] Figure 1 This is a front view structural diagram of the present utility model;

[0018] Figure 2 This is a top view partial cross-sectional structural diagram of the present invention;

[0019] Figure 3 This is a partial sectional view of the square plate of this utility model from the side.

[0020] Figure 4 This is a bottom view of the sealing cap structure of this utility model;

[0021] Figure 5 This is a side view enlarged structural schematic diagram of the U-shaped insert of this utility model.

[0022] In the diagram: 1. Base; 2. Air guide groove; 3. Air inlet; 4. Rear connector; 5. Front connector; 6. Square plate; 7. External fixing plate; 8. Mounting bolts; 9. Copper coil; 10. Water inlet; 11. Water outlet; 12. Heat conduction plate; 13. Thermoelectric generator; 14. Generator hub; 15. Sealing cover; 16. Handle; 17. Fixing bolts; 18. U-shaped bracket; 19. Air outlet. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example: Please refer to Figure 1-5 A waste incineration waste heat recovery device includes a base 1, an air guide channel 2 fixedly connected to the top of the base 1, an air inlet 3 welded to the left side of the air guide channel 2, an air outlet 19 welded to the right side of the air guide channel 2, a sealing cover 15 horizontally placed at the top of the air guide channel 2, handles 16 welded to both sides of the top of the sealing cover 15, and fixing bolts 17 inserted into the four corners of the top of the sealing cover 15. A heat and electricity synchronous recovery component is installed inside the air guide channel 2.

[0025] Please see Figure 1-5 A waste incineration waste heat recovery device also includes a recovery component, which includes four sets of rear inlets 4, which are welded to the rear end of the air guide channel 2. Five sets of front inlets 5 are welded to the front end of the air guide channel 2. Square plates 6 are inserted into the interior of the rear inlets 4 and the front inlets 5. An outer fixing plate 7 is welded to the outside of the square plate 6. Mounting bolts 8 are inserted into the four corners of the outer fixing plate 7. A copper coil 9 is installed inside the square plate 6. A water inlet 10 is installed at the top of the copper coil 9. A water outlet 11 is installed at the bottom of the copper coil 9. Heat-conducting plates 12 are fixedly connected to the left and right sides of the square plate 6. Multiple sets of thermoelectric generators 13 are fixedly connected to the side of the heat-conducting plate 12 near the copper coil 9. A generator hub 14 is movably connected to the middle position inside the outer fixing plate 7.

[0026] The shape and size of the square plate 6 are adapted to the shape and size of the rear socket 4 and the front socket 5. The square plate 6 can slide back and forth along the interior of the rear socket 4 and the front socket 5. The water inlet 10 and the water outlet 11 pass through the outer fixing plate 7 and extend to the outside. The interior of the copper coil 9, the water inlet 10, and the water outlet 11 are connected. The outer side of the heat conduction plate 12 is flush with the side of the square plate 6. The side of the thermoelectric generator 13 is attached to the copper coil 9. The thermoelectric generator 13 and the generator bus 14 are electrically connected, and the heat and electricity are recovered simultaneously to improve the heat recovery efficiency.

[0027] Specifically, such as Figure 1 , Figure 2 and Figure 3 As shown, the square plates 6 inside the rear inlet 4 and the front inlet 5 are staggered, which can extend the flow path of flue gas and improve the efficiency of heat exchange. Cold water enters from the inlet 10, passes through the copper coil 9 and is discharged from the outlet 11. The heat-conducting plate 12 absorbs heat and continuously conducts it to the inside of the square plate 6, where it exchanges heat with the copper coil 9 to heat the water inside. The external pipe is connected to the outlet 11 to collect hot water. At the same time, because cold water continuously enters the copper coil 9, its surface temperature is lower than that of the heat-conducting plate 12, thus forming a temperature difference on both sides of the thermoelectric generator 13. The thermoelectric generator 13 generates current, which is collected by the generator busbar 14 and discharged to the outside, where it is collected by the external energy storage device.

[0028] The fixing bolt 17 passes through the sealing cover 15 and extends into the air guide groove 2. The shape and size of the bottom end of the sealing cover 15 are compatible with the shape and size of the top end of the air guide groove 2, which facilitates disassembly and maintenance.

[0029] Specifically, such as Figure 2 and Figure 4 As shown, the sealing cover 15 covers the top of the air guide groove 2 to increase the airtightness and is fixed by the fixing bolt 17. During maintenance, the fixing bolt 17 is removed and the sealing cover 15 can be lifted and removed by grasping the handles 16 on both sides.

[0030] Two rows of U-shaped brackets 18 are welded to the bottom of the sealing cover 15. The shape and size of the U-shaped brackets 18 inside are adapted to the shape and size of the square plate 6 outside. The U-shaped brackets 18 can slide up and down along the outside of the square plate 6. The bottom of the U-shaped brackets 18 fits with the bottom of the air guide groove 2 inside, and the fixed plate increases stability.

[0031] Specifically, such as Figure 4 and Figure 5 As shown, with the sealing cap 15 covering the top of the air guide groove 2, the U-shaped bracket 18 is positioned just outside the square plate 6. Each square plate 6 is fixed by two sets of U-shaped brackets 18, which can increase stability and prevent swaying displacement under the impact of airflow.

[0032] Working principle: When this utility model is in use, firstly, the high-temperature flue gas generated by waste incineration enters the interior of the air guide groove 2 through the air inlet 3. The square plates 6 inside the rear inlet 4 and the front inlet 5 are staggered, which can extend the flow path of the flue gas and improve the efficiency of heat exchange. Cold water enters from the water inlet 10, passes through the copper coil 9 and is discharged from the water outlet 11. The heat conduction plate 12 absorbs heat and continuously conducts it to the interior of the square plate 6, where it exchanges heat with the copper coil 9 to heat the water inside. The external pipeline is connected to the water outlet 11 to collect hot water. At the same time, because cold water continuously enters the copper coil 9, its surface temperature is lower than that of the heat conduction plate 12, thus forming a temperature difference on both sides of the thermoelectric generator 13. The thermoelectric generator 13 generates current, which is collected by the generator bus 14 and discharged to the outside, where it is collected by the external energy storage device. The sealing cap 15 covers the top of the air guide channel 2 to increase airtightness and is fixed by the fixing bolts 17. During maintenance, the fixing bolts 17 are removed, and the sealing cap 15 can be lifted and removed by grasping the handles 16 on both sides. With the sealing cap 15 covering the top of the air guide channel 2, the U-shaped brackets 18 are precisely positioned outside the square plates 6. Each square plate 6 is fixed by two sets of U-shaped brackets 18, which can increase stability and prevent swaying and displacement under the impact of airflow.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A waste incineration heat recovery apparatus comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to an air guide groove (2). An air inlet (3) is welded to the left side of the air guide groove (2), and an air outlet (19) is welded to the right side of the air guide groove (2). A sealing cover (15) is placed horizontally at the top of the air guide groove (2). Handles (16) are welded to both sides of the top of the sealing cover (15). Fixing bolts (17) are inserted into the four corners of the top of the sealing cover (15). Two rows of U-shaped brackets (18) are welded to the bottom of the sealing cover (15). A thermoelectric synchronous recovery component is installed inside the air guide groove (2). The recycling assembly includes four sets of rear insertion ports (4), which are welded to the rear end of the air guide channel (2). Five sets of front insertion ports (5) are welded to the front end of the air guide channel (2). Square plates (6) are inserted into the interior of each of the rear insertion ports (4) and front insertion ports (5). An outer fixing plate (7) is welded to the outer side of each square plate (6). Mounting bolts (8) are inserted into the four corners of the outer fixing plate (7). The interior of the square plate (6)... A copper coil (9) is provided, with an inlet (10) at the top and an outlet (11) at the bottom. Heat-conducting plates (12) are fixedly connected to the left and right sides of the square plate (6). Multiple sets of thermoelectric generators (13) are fixedly connected to the side of the heat-conducting plate (12) near the copper coil (9). A generator hub (14) is movably connected to the middle position inside the outer fixed plate (7).

2. The waste incineration heat recovery apparatus according to claim 1, characterized by: The shape and size of the square plate (6) on the outside are adapted to the shape and size of the rear socket (4) and the front socket (5) inside. The square plate (6) can slide back and forth along the interior of the rear socket (4) and the front socket (5).

3. The waste incineration heat recovery device according to claim 1, characterized in that: The inlet (10) and outlet (11) pass through the outer fixing plate (7) and extend to the outside. The copper coil (9), inlet (10) and outlet (11) are internally connected.

4. The waste incineration heat recovery apparatus according to claim 1, characterized by: The outer side of the heat-conducting plate (12) is flush with the side of the square plate (6), the side of the thermoelectric generator (13) is in contact with the copper coil (9), and the thermoelectric generator (13) and the generator busbar (14) are electrically connected.

5. The waste incineration heat recovery apparatus according to claim 1, characterized by: The fixing bolt (17) passes through the sealing cover (15) and extends into the air guide groove (2). The shape and size of the bottom end of the sealing cover (15) are compatible with the shape and size of the top end of the air guide groove (2).

6. The waste incineration heat recovery apparatus according to claim 1, characterized by: The shape and size of the U-shaped insert (18) inside are adapted to the shape and size of the square plate (6) outside. The U-shaped insert (18) can slide up and down along the outside of the square plate (6). The bottom end of the U-shaped insert (18) fits into the bottom end of the air guide groove (2).

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