Industrial flue gas waste heat recovery device

Abstract

The utility model belongs to the technical field of waste heat recovery, and particularly relates to an industrial flue gas waste heat recovery device which comprises a waste heat recovery machine body and gas guide pipes, the gas guide pipes are inserted into an inner cavity of the waste heat recovery machine body at equal intervals in a penetrating mode, and the surface of the top of the waste heat recovery machine body is communicated with a liquid discharge pipe. A liquid injection pipe is connected to the surface of the bottom of the waste heat recovery machine body in a communicating mode, an air inlet cover is movably connected to one end of the waste heat recovery machine body, an exhaust cover is movably connected to the other end of the waste heat recovery machine body, fixing plates are movably arranged in inner cavities of the air inlet cover and the exhaust cover, and pull wires are arranged at the positions, corresponding to the air guide pipes, of the surfaces of the fixing plates. The stay wires penetrate through the air guide pipe; according to the industrial flue gas waste heat recovery device, the movable cleaning ring is arranged in the gas guide pipe, and the cleaning ring is pulled by the pull wire to move in the gas guide pipe in a reciprocating manner, so that dust on the inner wall of the gas guide pipe can be quickly cleaned, and the waste heat recovery efficiency of the waste heat recovery device on industrial flue gas is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery, in particular to an industrial flue gas waste heat recovery device. Background Art

[0002] Waste heat refers to the unused heat energy generated by various heat conversion equipment, energy-consuming equipment, chemical reaction equipment and production processes during the production process. In the textile printing and dyeing, electroplating processing, chemical pharmaceuticals, printing drying, coal slime drying and other industrial fields, there is a large amount of waste heat that needs to be recycled. If this part of energy can be fully utilized through recycling, it will greatly reduce industrial energy loss.

[0003] When the existing waste heat recovery device recovers waste heat from industrial flue gas, the industrial flue gas is injected into the air duct of the waste heat recovery device. The industrial flue gas contains a large amount of smoke dust. When the smoke dust passes through the air duct, a large amount of dust and dirt will be formed on the inner wall of the air duct, resulting in reduced air conduction efficiency or blockage of the air duct, which will affect the waste heat recovery efficiency of the industrial flue gas. In order to solve the above problems, an industrial flue gas waste heat recovery device is proposed in the present application. Utility Model Content

[0004] (I) Purpose of the utility model

[0005] In order to solve the technical problems existing in the background technology, the utility model proposes an industrial flue gas waste heat recovery device, which can quickly clean the dust and dirt on the inner wall of the air duct by arranging a movable cleaning ring in the air duct and pulling the cleaning ring to move back and forth in the air duct by a pull wire, so as to solve the problems raised in the background technology.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, the utility model provides an industrial flue gas waste heat recovery device, including a waste heat recovery body and an air guide pipe, wherein the air guide pipe is equidistantly inserted into the inner cavity of the waste heat recovery body, the top surface of the waste heat recovery body is conductively connected to a drain pipe, and the bottom surface of the waste heat recovery body is conductively connected to a liquid injection pipe;

[0008] One end of the waste heat recovery body is movably connected to an air intake hood, and the other end of the waste heat recovery body is movably connected to an exhaust hood;

[0009] The air intake hood and the exhaust hood are both movably provided with fixing plates, and the surfaces of the fixing plates are provided with pull wires at positions corresponding to the positions of the air guide pipes, and the pull wires are all passed through the air guide pipes;

[0010] Cleaning rings are installed on the pull wire surfaces.

[0011] Preferably, the cleaning rings are sleeved on the surface of the fixed bracket, and the fixed bracket is fixedly connected to the pull wire.

[0012] Preferably, one end of each of the pull wires is fixedly connected to a spiral telescopic wire, and one end of each of the spiral telescopic wires is connected to one group of the fixed plates.

[0013] Preferably, air conducting holes are formed through the surface of the fixing plate, and the air conducting holes are distributed equidistantly.

[0014] Preferably, both end surfaces of the waste heat recovery body are rotatably provided with rotating shafts, and both end surfaces of the waste heat recovery body are rotatably connected to the air intake hood and the exhaust hood through the rotating shafts.

[0015] Preferably, the surfaces of the air inlet hood and the exhaust hood are provided with lock buckles, and the lock buckles are symmetrically distributed.

[0016] Preferably, the surfaces of the air inlet hood and the exhaust hood are both conductively connected with connecting flanges.

[0017] The above technical solution of the utility model has the following beneficial technical effects:

[0018] 1. In the utility model, the air intake hood and the exhaust hood are rotatably connected to the waste heat recovery body through a rotating shaft and are locked by a lock. After the lock is opened, the air intake hood and the exhaust hood can be turned over, so as to facilitate the cleaning of the air duct and make it more convenient to use.

[0019] 2. The utility model, by pulling the fixed plate away from one end of the spiral telescopic wire, the fixed plate drives the fixed bracket to move along the air duct through the pulling wire, and the outer wall of the cleaning ring on the surface of the fixed bracket abuts against the inner wall surface of the air duct. When the cleaning ring moves with the fixed bracket, the dust adhering to the inner wall of the air duct can be cleaned by the cleaning ring. At this time, the spiral telescopic wire can be stretched, and then another set of fixed plates can be pulled, and the fixed bracket can be pulled back by the pulling wire. By reciprocatingly pulling the fixed bracket, the inner wall of the air duct can be quickly cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of an industrial flue gas waste heat recovery device of the utility model;

[0021] Figure 2 This is a schematic cross-sectional structure diagram of an industrial flue gas waste heat recovery device of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of a waste heat recovery body of an industrial flue gas waste heat recovery device of the utility model;

[0023] Figure 4 This is a schematic diagram of the wire setting structure of an industrial flue gas waste heat recovery device of the utility model;

[0024] Figure 5 The utility model is a schematic diagram of the cleaning ring setting structure of an industrial flue gas waste heat recovery device.

[0025] Reference numerals:

[0026] 1. Waste heat recovery body; 2. Air duct; 3. Drain pipe; 4. Injection pipe; 5. Intake hood; 6. Exhaust hood; 7. Connecting flange; 8. Rotating shaft; 9. Lock; 10. Fixed plate; 11. Pull wire; 12. Spiral telescopic wire; 13. Fixed bracket; 14. Cleaning ring; 15. Air duct hole. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0028] like Figure 1-5 As shown, the utility model proposes an industrial flue gas waste heat recovery device, comprising a waste heat recovery body 1 and an air guide pipe 2, wherein the air guide pipe 2 is equidistantly inserted into the inner cavity of the waste heat recovery body 1, the top surface of the waste heat recovery body 1 is conductively connected to a drain pipe 3, and the bottom surface of the waste heat recovery body 1 is conductively connected to a liquid injection pipe 4;

[0029] One end of the waste heat recovery body 1 is movably connected to an air intake hood 5, and the other end of the waste heat recovery body 1 is movably connected to an exhaust hood 6;

[0030] The inner cavities of the air intake hood 5 and the exhaust hood 6 are both movably provided with a fixing plate 10, and the surface of the fixing plate 10 is provided with a pull wire 11 at a position corresponding to the position of the air duct 2, and the pull wire 11 passes through the air duct 2;

[0031] Cleaning rings 14 are installed on the surfaces of the pull wires 11 .

[0032] It should be noted that the two ends of the waste heat recovery body 1 are connected to the air intake pipe and the exhaust pipe through the connecting flange 7 respectively. The industrial flue gas enters the air duct 2 in the inner cavity of the waste heat recovery body 1 through the air intake hood 5. The water is injected into the waste heat recovery body 1 through the injection pipe 4. After the inner cavity of the waste heat recovery body 1 is filled, it is discharged through the drain pipe 3, which can realize the continuous circulation of the water. The water is coated on the surface of the air duct 2. The heat in the industrial flue gas is transferred to the water through the cavity wall of the air duct 2, which can heat the water and realize the waste heat recovery of the industrial flue gas. The industrial flue gas contains a large amount of smoke dust, which adheres to the inner wall of the air duct 2 and forms a The dust and dirt will affect the air guiding efficiency of the air duct 2. By pulling the fixed plate 10 away from one end of the spiral telescopic wire 12, the fixed plate 10 drives the fixed bracket 13 to move along the air duct 2 through the pull wire 11. The outer wall of the cleaning ring 14 on the surface of the fixed bracket 13 abuts against the inner wall surface of the air duct 2. When the cleaning ring 14 moves with the fixed bracket 13, the dust and dirt adhering to the inner wall of the air duct 2 can be cleaned by the cleaning ring 14. At this time, the spiral telescopic wire 12 can be stretched, and then another set of fixed plates 10 can be pulled. The fixed bracket 13 can be pulled back by the pull wire 11. By reciprocatingly pulling the fixed bracket 13, the inner wall of the air duct 2 can be quickly cleaned.

[0033] In this embodiment, if Figure 3 and Figure 4 As shown, the cleaning rings 14 are sleeved on the surface of the fixing bracket 13 , and the fixing bracket 13 is fixedly connected to the pull wire 11 .

[0034] It should be noted that the cleaning ring 14 is fixed on the pull wire 11 through the fixing bracket 13 .

[0035] In this embodiment, if Figure 3 and Figure 4 As shown, one end of each of the pull wires 11 is fixedly connected to a spiral telescopic wire 12 , and one end of each of the spiral telescopic wires 12 is connected to one group of the fixed plates 10 .

[0036] It should be noted that the spiral telescopic wire 12 can be stretched, so as to facilitate the arrangement of the pull wire 11 .

[0037] In this embodiment, if Figure 3 and Figure 4 As shown, air-conducting holes 15 are formed through the surface of the fixing plate 10 , and the air-conducting holes 15 are distributed in an equidistant manner.

[0038] It should be noted that the industrial smoke passes through the fixed plate 10 through the air guide hole 15.

[0039] In this embodiment, if Figure 1 and Figure 2As shown, the surfaces of both ends of the waste heat recovery body 1 are rotatably provided with rotating shafts 8, and the surfaces of both ends of the waste heat recovery body 1 are rotatably connected with the air intake hood 5 and the exhaust hood 6 through the rotating shafts 8. The surfaces of the air intake hood 5 and the exhaust hood 6 are provided with lock buckles 9, and the lock buckles 9 are symmetrically distributed. The surfaces of the air intake hood 5 and the exhaust hood 6 are conductively connected with connecting flanges 7.

[0040] It should be noted that the surfaces of the air intake hood 5 and the exhaust hood 6 are connected to the air intake duct and the exhaust duct respectively through the connecting flange 7, and the lock buckle 9 can lock the air intake hood 5 and the exhaust hood 6.

[0041] The working principle and use process of the utility model are as follows: the two ends of the waste heat recovery body 1 are connected to the air intake pipe and the exhaust pipe respectively through the connecting flange 7, the industrial smoke enters the air duct 2 in the inner cavity of the waste heat recovery body 1 through the air intake hood 5, and the water is injected into the waste heat recovery body 1 through the injection pipe 4. After the inner cavity of the waste heat recovery body 1 is filled, it is discharged through the drain pipe 3, which can realize the continuous circulation of the water, and the water is coated on the surface of the air duct 2. The heat in the industrial smoke is transferred to the water through the cavity wall of the air duct 2, which can heat the water and realize the waste heat recovery of the industrial smoke. The industrial smoke contains a large amount of smoke dust, and the smoke dust adheres to the inner wall of the air duct 2, and will form dust on the inner wall of the air duct 2, which will affect the air duct 2. In order to improve the air guide efficiency, after the lock buckle 9 is opened, the air intake hood 5 and the exhaust hood 6 can be flipped over respectively by the rotating shaft 8, and the fixing plate 10 away from one end of the spiral telescopic line 12 is pulled, and the fixing plate 10 drives the fixing bracket 13 to move along the air guide pipe 2 through the pull wire 11, and the outer wall of the cleaning ring 14 on the surface of the fixing bracket 13 abuts against the inner wall surface of the air guide pipe 2. When the cleaning ring 14 moves with the fixing bracket 13, the dust adhering to the inner wall of the air guide pipe 2 can be cleaned by the cleaning ring 14. At this time, the spiral telescopic line 12 can be stretched, and then another set of fixing plates 10 can be pulled, and the fixing bracket 13 can be pulled back by the pull wire 11. By reciprocatingly pulling the fixing bracket 13, the inner wall of the air guide pipe 2 can be quickly cleaned.

[0042] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims or the equivalent forms of such scope and boundaries.

Claims

1. An industrial flue gas waste heat recovery device, comprising a waste heat recovery body (1) and an air duct (2), wherein the air duct (2) is inserted into the inner cavity of the waste heat recovery body (1) at equal intervals, and is characterized in that: The top surface of the waste heat recovery body (1) is conductively connected to a liquid discharge pipe (3), and the bottom surface of the waste heat recovery body (1) is conductively connected to a liquid injection pipe (4); One end of the waste heat recovery body (1) is movably connected to an air intake hood (5), and the other end of the waste heat recovery body (1) is movably connected to an exhaust hood (6); The air intake hood (5) and the exhaust hood (6) are both movably provided with a fixing plate (10), and a pull wire (11) is provided on the surface of the fixing plate (10) at a position corresponding to the position of the air duct (2), and the pull wire (11) passes through the air duct (2); Cleaning rings (14) are installed on the surfaces of the pull wires (11).

2. The industrial flue gas waste heat recovery device according to claim 1, characterized in that: The cleaning rings (14) are sleeved on the surface of the fixed bracket (13), and the fixed bracket (13) is fixedly connected to the pull wire (11).

3. The industrial flue gas waste heat recovery device according to claim 2, characterized in that: One end of each of the pull wires (11) is fixedly connected to a spiral telescopic wire (12), and one end of each of the spiral telescopic wires (12) is connected to one group of the fixed plates (10).

4. The industrial flue gas waste heat recovery device according to claim 3, characterized in that: The surface of the fixing plate (10) is provided with air-conducting through holes (15) which are equidistantly distributed.

5. The industrial flue gas waste heat recovery device according to claim 1, characterized in that: Rotating shafts (8) are rotatably provided on both end surfaces of the waste heat recovery body (1), and both end surfaces of the waste heat recovery body (1) are rotatably connected to the air inlet hood (5) and the exhaust hood (6) via the rotating shafts (8).

6. The industrial flue gas waste heat recovery device according to claim 5, characterized in that: Lock buckles (9) are provided on the surfaces of the air intake hood (5) and the exhaust hood (6), and the lock buckles (9) are symmetrically distributed.

7. The industrial flue gas waste heat recovery device according to claim 6, characterized in that: The surfaces of the air inlet hood (5) and the exhaust hood (6) are both conductively connected with a connecting flange (7).

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