Smoke purifier waste heat recovery equipment for boiler

Abstract

The utility model belongs to the technical field of waste heat recovery, and particularly discloses a smoke purifier waste heat recovery device for a boiler, which comprises a collecting box, a flue is arranged on one side of the upper end of the collecting box, a recovery box is arranged on one side of the flue, an air locking valve mechanism is arranged at the lower end of the collecting box, and a group of water pipes are respectively arranged on the front surface and the rear surface of the recovery box. Every two water pipes arranged up and down form a group. A heating area is arranged in the recycling box through a partition plate, so that two independent heating spaces are formed in the recycling box, water is heated through the outer wall of the air pipe, and water media in the water pipe continue to be heated through clean flue gas moving downwards through the air pipe. The air locking valve is arranged at the lower end of the collecting box, air circulation is controlled by controlling the sealing rotating plate, backflow is prevented, flow adjustment and pressure balance are achieved, and the operation reliability, safety and working efficiency of equipment are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cleaning components, and in particular relates to a cleaning component for an electric power control cabinet. Background Art

[0002] Clean flue gas waste heat refers to the heat energy contained in the flue gas after treatment during industrial production and energy utilization. These flue gases are usually waste gases generated during combustion or other processes. After purification and treatment, they still contain a certain amount of heat. By using the heated medium, it can be used for various purposes, such as heating, hot water supply or heating needs in industrial production processes. In the existing technology, the use of clean flue gas waste heat is relatively single, the heat recovery efficiency is poor, and it cannot be applied to a variety of usage scenarios. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a waste heat recovery device for a smoke purifier of a boiler.

[0004] In order to achieve the above purpose, the utility model provides a waste heat recovery device for a smoke purifier for a boiler, including a collecting box, a flue is provided on one side of the upper end of the collecting box, a recovery box is installed on one side of the flue, a wind locking valve mechanism is provided at the lower end of the collecting box, and a group of water pipes are respectively installed on the front and rear surfaces of the recovery box, and every two water pipes arranged up and down form a group.

[0005] In the above technical solution, further, the air lock valve mechanism includes a ventilation duct fixedly installed at the lower end of the collection box, a turning handle is installed through the ventilation duct, a sealing turning plate is installed on the outer surface of the turning handle located inside the ventilation duct, and a heavy hammer is installed on the outer side of the turning handle.

[0006] In the above technical solution, further, an air inlet pipe is fixedly installed on the upper end of the recovery box, the air inlet pipe is connected to the flue, and the air inlet pipe is located inside the recovery box and has a plurality of air ducts fixedly installed thereon which are arranged at equal distances.

[0007] In the above technical solution, further, a partition is fixedly installed inside the recycling box, the lower end of the air duct passes through the partition and is provided with a corresponding through groove, an air outlet is fixedly installed on one side of the upper end of the recycling box, and an exhaust fan is installed inside the air outlet.

[0008] In the above technical solution, further, a heating zone is arranged inside the recycling box by installing a partition, a water inlet is opened on the upper end of the heating zone on one side surface of the recycling box, and a water outlet is opened on the lower end of the heating zone on the other side surface of the recycling box.

[0009] In the above technical solution, further, each of the water pipes is provided with a plurality of fins arranged at equal distances on one side close to the recovery box, and the fins penetrate the recovery box.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. A heating zone is provided inside the recycling box through a partition, so that two independent heating spaces are formed inside the recycling box. The outer wall of the air duct is used to heat the water, and the clean flue gas moving downward through the air duct continues to heat the water medium inside the water pipe.

[0012] 2. A lock valve is set at the lower end of the collection box to control the gas flow by controlling the sealing rotating plate to prevent backflow, and realize flow regulation and pressure balance, thereby improving the operating reliability, safety and work efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a waste heat recovery device for a smoke purifier for a boiler proposed in the utility model;

[0014] Figure 2 This is a diagram of the internal structure of a recovery box of a waste heat recovery device for a boiler smoke purifier proposed by the utility model;

[0015] Figure 3 The utility model is a schematic diagram of the structure of the air lock valve mechanism of the waste heat recovery equipment of the smoke purifier for boiler.

[0016] In the figure: 1. Collection box; 2. Flue; 3. Ventilation duct; 4. Sealing rotating plate; 5. Rotating handle; 6. Heavy hammer; 7. Air inlet pipe; 8. Recovery box; 9. Air duct; 10. Through groove; 11. Partition; 12. Water inlet; 13. Water outlet; 14. Water pipe; 15. Fin; 16. Air outlet; 17. Exhaust fan; 18. Heating zone. DETAILED DESCRIPTION

[0017] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] like Figure 1-Figure 3 The waste heat recovery device of a smoke purifier for a boiler shown in the figure includes a collecting box 1, a flue 2 is provided on one side of the upper end of the collecting box 1, a recovery box 8 is installed on one side of the flue 2, a wind lock valve mechanism is provided on the lower end of the collecting box 1, and a group of water pipes 14 are respectively installed on the front and rear surfaces of the recovery box 8, and every two water pipes 14 arranged up and down form a group.

[0019] like Figure 2 As shown, an air inlet pipe 7 is fixedly installed on the upper end of the recovery box 8, and the air inlet pipe 7 is connected to the flue 2. The air inlet pipe 7 is located inside the recovery box 8 and has several equidistantly arranged air ducts 9 fixedly installed thereon. After the air ducts 9 heat the water inside the heating area 18, the water is discharged from the water outlet 13.

[0020] A partition 11 is fixedly installed inside the recovery box 8, the lower end of the air duct 9 passes through the partition 11 and is provided with a corresponding through groove 10, an air outlet 16 is fixedly installed on one side of the upper end of the recovery box 8, and an exhaust fan 17 is installed inside the air outlet 16. The exhaust fan 17 discharges the clean smoke inside the recovery box 8, speeds up the air circulation speed, and increases the efficiency of waste heat recovery.

[0021] A heating zone 18 is provided inside the recovery box 8 by installing a partition 11. A water inlet 12 is provided on the upper end of the heating zone 18 on one side surface of the recovery box 8, and a water outlet 13 is provided on the lower end of the heating zone 18 on the other side surface of the recovery box 8. Water is transported to the interior of the heating zone 18 through the water inlet 12.

[0022] A plurality of equidistantly arranged fins 15 are provided on one side of each water pipe 14 close to the recovery box 8. The fins 15 penetrate the recovery box 8. The plurality of bent fins 15 effectively increase the contact surface area with the clean flue gas and improve the waste heat utilization rate.

[0023] like Figure 3 As shown, the air lock valve mechanism includes a ventilation duct 3 fixedly installed at the lower end of the collection box 1, a rotating handle 5 is installed through the ventilation duct 3, a sealing rotating plate 4 is installed on the outer surface of the rotating handle 5 located inside the ventilation duct 3, and a heavy hammer 6 is installed on the outer side of the rotating handle 5. The sealing rotating plate 4 maintains the sealing of the ventilation duct 3 under the action of the heavy hammer 6 to prevent gas leakage.

[0024] Working principle: During the combustion process of the boiler, after the generated gas is purified and processed, there is still a certain amount of heat inside the gas. By recovering the waste heat of the clean flue gas, energy consumption can be reduced, and it can be used to heat water, thereby reducing the demand for external energy. A wind lock valve mechanism is provided at the lower end of the collection box 1. The staff drives the sealing rotating plate 4 to control the flow of gas by turning the handle 5 that runs through the ventilation duct 3, thereby preventing the backflow of gas inside the collection box 1, and realizing flow regulation and pressure balance, thereby improving the stability and safety of the waste heat recovery process of the smoke purifier. A flue 2 is provided at the upper end of the collection box 1, which is connected to the recovery box 8 through the air inlet pipe 7 to transport the clean flue gas. A number of equidistantly arranged air ducts 9 are fixedly installed at the lower end of the air inlet pipe 7, and the internal space of the recovery box 8 is divided into two heating parts by installing a partition 11, of which the part located at the upper end of the partition 11 is provided with a flue 2.

[0025] The space is a heating zone 18. A water inlet 12 is provided on one side of the recovery box 8 at the upper end of the heating zone 18. A water outlet 13 is provided on the other side of the recovery box 8 at the lower end of the heating zone 18. The staff transports the external water body to be heated from the water inlet 12 to the inside of the heating zone 18. The water body is heated by the temperature formed by the flue gas inside the air duct 9. After the heating is completed, the water outlet 13 is opened to the external water-using equipment. The lower end of the air duct 9 penetrates the partition 11 and is provided with a corresponding through groove 10. The clean flue gas passing through the heating zone 18 flows through the lower end of the recovery box 8. A group of water pipes 14 are respectively provided on the front and rear surfaces of the recovery box 8. Every two water pipes 14 arranged up and down form a group. Each water pipe 14 is fixedly installed with a number of equidistantly arranged fins 15 near the side of the recovery box 8. The fins 15 are stainless steel pipes and penetrate the recovery box 8. The internal space of the recovery box 8 is located at the lower end of the heating zone 18 to form a secondary heating zone, which effectively improves the use efficiency of the clean flue gas, and the heated water body can be used for different purposes. An air outlet 16 is installed at the upper end of the recovery box 8, and an exhaust fan 17 is arranged inside the air outlet 16. The exhaust fan 17 discharges the clean smoke inside the recovery box 8 to form air circulation, thereby increasing the internal waste heat recovery efficiency.

[0026] 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 the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A waste heat recovery device for a smoke purifier for a boiler, comprising a collecting box (1), characterized in that: A flue (2) is provided on one side of the upper end of the collection box (1), a recovery box (8) is installed on one side of the flue (2), a wind lock valve mechanism is provided on the lower end of the collection box (1), and a group of water pipes (14) are respectively installed on the front and rear surfaces of the recovery box (8), and every two water pipes (14) arranged up and down form a group.

2. The waste heat recovery device for a smoke purifier for a boiler according to claim 1, characterized in that: The air lock valve mechanism comprises a ventilation duct (3) fixedly mounted at the lower end of the collection box (1); a rotating handle (5) is installed through the ventilation duct (3); a sealing rotating plate (4) is installed on the outer surface of the rotating handle (5) located inside the ventilation duct (3); and a heavy hammer (6) is installed on the outer side of the rotating handle (5).

3. The waste heat recovery device for a smoke purifier for a boiler according to claim 1, characterized in that: An air inlet pipe (7) is fixedly installed on the upper end of the recovery box (8), and the air inlet pipe (7) is connected to the flue (2). The air inlet pipe (7) is located inside the recovery box (8) and has a plurality of air ducts (9) arranged at equal distances fixedly installed thereon.

4. The waste heat recovery device for a smoke purifier for a boiler according to claim 3, characterized in that: A partition (11) is fixedly installed inside the recovery box (8); the lower end of the air duct (9) passes through the partition (11) and is provided with a corresponding through slot (10); an air outlet (16) is fixedly installed on one side of the upper end of the recovery box (8); an exhaust fan (17) is installed inside the air outlet (16).

5. The waste heat recovery device for a smoke purifier for a boiler according to claim 4, characterized in that: A heating zone (18) is arranged inside the recovery box (8) by installing a partition (11); a water inlet (12) is provided on one side surface of the recovery box (8) at the upper end of the heating zone (18); and a water outlet (13) is provided on the other side surface of the recovery box (8) at the lower end of the heating zone (18).

6. The waste heat recovery device for a smoke purifier for a boiler according to claim 1, characterized in that: Each of the water pipes (14) is provided with a plurality of fins (15) arranged at equal distances on one side close to the recovery box (8), and the fins (15) penetrate the recovery box (8).

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