Preheating and recycling device for boiler flue gas

Abstract

The utility model discloses a boiler flue gas preheating recycling device, which relates to the technical field of waste heat recovery, and comprises a recovery box body, a feeding frame body and a recovery pipe, a support frame is arranged on the inner wall of the recovery box body, and the recovery pipe penetrating through the support frame is arranged in the recovery box body. A recycling pipe is installed in the recycling box, a fixing block fixed to the recycling box is installed on the outer wall of the recycling pipe, a connecting sealing cover is arranged on one side of the recycling box, a feeding frame is installed on the outer wall of the connecting sealing cover, and a partition plate inserted into the middle of the recycling box is installed in the middle of the feeding frame. A sealing installation mechanism used for fixing the position of the recycling box body is arranged in the connecting sealing cover, a material blocking inlet pipe is arranged in the recycling pipe, and an external connection block is installed on one side of the material blocking inlet pipe. According to the device, the arc-shaped blocking blocks are arranged at intervals, impact in different directions is achieved through gas, the forward speed is reduced, the heat exchange time is prolonged, and the heat exchange efficiency is improved. And the flue gas waste heat recovery time is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a waste heat recovery technical field, concretely is a boiler flue gas preheating recycling device. BACKGROUND

[0002] The boiler is a kind of energy conversion equipment, and the energy input into the boiler includes chemical energy in fuel and electric energy, and the boiler outputs steam, high-temperature water or organic heat carrier with certain heat energy.

[0003] The utility model belongs to heat exchange equipment technical field, especially a kind of boiler flue gas preheating recycling device, including box, heat exchange subassembly is equipped in the box, the heat exchange subassembly includes coiled heat exchange pipe, the both ends of heat exchange pipe are heat exchange pipe, two heat exchange pipes are extended to the outside of box, the non-bending portion of heat exchange pipe is rotationally sleeved with multiple heat conduction cleaning components that increase the contact area with flue gas, and the heat conduction cleaning component rotates can scrape off the dust on the surface of heat exchange pipe.The utility model is convenient to remove the soot on the surface of heat exchange pipe, ensure that the heat conduction effect of heat exchange pipe is not influenced by soot, ensure that always have preferable heat conduction effect in long-time heat exchange process.

[0004] However, the boiler flue gas preheating recycling device has the following problems in the process of using: in the traditional recycling, since the flue gas waste heat stays in the pipeline for a short time, the heat exchange time is short, and the recycling rate is low. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of boiler flue gas preheating recycling device to solve the relevant problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of boiler flue gas preheating recycling device, including recovery box body, feed frame body and recovery pipe, the inner wall of recovery box body is installed with support frame, recovery pipe is installed with the fixed block fixed with recovery box body outside wall in the inside of recovery box body and penetrates support frame, the side of recovery box body is provided with connection sealing cover, and the outer wall of connection sealing cover is installed with feed frame body, the middle position of feed frame body is installed with the partition plate inserted into the middle position of recovery box body, the inside of connection sealing cover is provided with sealing installation mechanism for fixing the position of recovery box body, the inside of recovery pipe is provided with material blocking pipe, and the outside block is installed on one side of material blocking pipe, the outer wall of outside block and fixed block is installed with rubidium magnetic, the side of outside block is installed with filter screen cover, the inner wall of material blocking pipe is installed with multiple arc-shaped blocking blocks at equal intervals.

[0007] The boiler flue gas preheating recycling device provided by the technical scheme has the following beneficial effects:

[0008] The boiler flue gas preheating recycling device provided by the technical scheme has the following beneficial effects:

[0009] The boiler flue gas preheating recycling device provided by the technical scheme has the following beneficial effects:

[0010] The boiler flue gas preheating recycling device provided by the technical scheme has the following beneficial effects:

[0011] The boiler flue gas preheating recycling device provided by the technical scheme has the following beneficial effects:

[0012] The boiler flue gas preheating recycling device provided by the technical scheme has the following beneficial effects:

[0013] 1、The utility model discloses a kind of boiler flue gas preheating recycling devices, with the following beneficial effects:

[0014] 2、The utility model discloses a kind of boiler flue gas preheating recycling devices, with the following beneficial effects: SHEET

[0015] Figure 1 It is the main view of the utility model and is shown in the structure schematic diagram of sectioning;

[0016] Figure 2 It is the main view of the utility model and is shown in the structure schematic diagram of sectioning; Figure 1

[0017] Figure 3 It is the main view of the utility model and is shown in the structure schematic diagram of sectioning;

[0018] ​In the diagram: 1. Recycling box; 2. Support frame; 3. Connecting pipe; 4. Feeding frame; 5. Divider plate; 6. Air inlet pipe; 7. Air outlet pipe; 8. Connecting sealing cover; 9. Sealing block; 10. Positioning screw; 11. Recycling pipe; 12. Fixing block; 13. Material blocking inlet pipe; 14. External block; 15. Rubidium magnet; 16. Filter screen; 17. Arc-shaped blocking block; 18. Sealing gasket. Detailed Implementation

[0019] 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.

[0020] Example 1, as Figures 1-2 As shown, this utility model provides a technical solution: a boiler flue gas preheating and recovery device, including a recovery box 1, a feeding frame 4, and a recovery pipe 11. A support frame 2 is installed on the inner wall of the recovery box 1. A recovery pipe 11 is installed inside the recovery box 1, penetrating the support frame 2. A fixing block 12 is installed on the outer wall of the recovery pipe 11 and fixed to the recovery box 1. A connecting sealing cover 8 is provided on one side of the recovery box 1, and the feeding frame 4 is installed on the outer wall of the connecting sealing cover 8. An insertion recovery device is installed in the middle of the feeding frame 4. The partition plate 5 is located in the middle of the box body 1. The top and bottom of the recycling box body 1 are equipped with connecting pipes 3, and the inside of the connecting pipes 3 is equipped with solenoid valves. The top of the feeding frame 4 is equipped with an air inlet pipe 6, and the bottom of the feeding frame 4 is equipped with an air outlet pipe 7. After the flue gas enters the feeding frame 4 through the air inlet pipe 6, the flue gas enters through the recycling pipe 11. The liquid is input through the connecting pipe 3, which can facilitate the heating of the liquid by the residual heat in the recycling pipe 11. After heating, the liquid is discharged from the connecting pipe 3. This structure facilitates preheating and recycling.

[0021] Example 2, as Figures 1-3As shown, the utility model provides a technical scheme: a boiler flue gas preheating recycling device, including the inside of connecting seal cover 8 is provided with the sealing mounting mechanism for fixing the position of recycling box body 1, sealing mounting mechanism includes sealing block 9, the inner wall of connecting seal cover 8 is provided with sealing groove, and the side of recycling box body 1 close to connecting seal cover 8 is installed sealing block 9, and the outer wall of sealing block 9 is inlaid with the sealing groove of connecting seal cover 8 inner wall, the outer wall of sealing block 9 is installed with the sealing pad 18 of inlaid with sealing groove inner wall, the inner wall of connecting seal cover 8 is provided with thread groove, and the inside of thread groove is provided with the positioning screw rod 10 of penetrating sealing block 9, by rotating positioning screw rod 10 and separating with sealing block 9 in, drive connecting seal cover 8 and the position of separating with sealing block 9 of feeding frame body 4, when needing to install, after the partition plate 5 of feeding frame body 4 is inserted into the middle position of recycling box body 1, the outer wall of connecting seal cover 8 position is inlaid with sealing block 9, so that the sealing pad 18 of sealing block 9 inner wall is inlaid with the inner wall of connecting seal cover 8, increase sealing effect, finally by rotating positioning screw rod 10 and the inlaid fixation of sealing block 9, the structure is simple to operate, convenient to use.

[0022] As shown in the embodiment 3, Figures 1-3 As shown, the utility model provides a technical scheme: a boiler flue gas preheating recycling device, including the inside of recycling pipe 11 is provided with the material resistance pipe 13, and the side of material resistance pipe 13 is installed with external connection block 14, the outer wall of external connection block 14 and fixed block 12 is installed with rubidium magnet 15, the side of external connection block 14 is installed with filter screen cover 16, the inner wall of material resistance pipe 13 is installed with multiple arc-shaped blocking blocks 17 at equal intervals, by inserting material resistance pipe 13 in recycling pipe 11, then external connection block 14 is fixed to fixed block 12 by rubidium magnet 15, the position of material resistance pipe 13 in recycling pipe 11 is fixed, then by the interval arrangement of arc-shaped blocking block 17, when the gas is forwardly rushed in different directions, the advancing speed is slowed down, the heat exchange time is increased, in addition, the particles in the flue gas can be filtered by filter screen cover 16.

[0023] Working principle: first, connect the external power supply, after the flue gas enters the feeding frame body 4 from the air inlet pipe 6, the flue gas enters the material resistance pipe 13 in the recycling pipe 11, and the advancing speed is slowed down when the gas is forwardly rushed in different directions, the heat exchange time is increased, in addition, the particles in the flue gas can be filtered by filter screen cover 16, the operator can input liquid in the connecting pipe 3, which can facilitate the heating of the liquid by the residual heat in the recycling pipe 11, and the liquid is discharged from the connecting pipe 3 after heating, which is convenient for preheating recycling.

[0024] Finally, it should be noted that the above is merely to illustrate the technical solutions of the present application, and is not a limitation on the scope of protection of the present application, and simple modifications or equivalent replacements of the technical solutions of the present application by those skilled in the art do not deviate from the essence and scope of the technical solutions of the present application.

Claims

1. A boiler flue gas preheating recycling device, comprising a recycling box (1), a feeding frame (4) and a recycling pipe (11), characterized in that: The inner wall of the recycling box (1) is provided with a support frame (2), the recycling box (1) is internally provided with a recycling pipe (11) penetrating through the support frame (2), and the outer wall of the recycling pipe (11) is provided with a fixed block (12) fixed with the recycling box (1), one side of the recycling box (1) is provided with a connecting sealing cover (8), the outer wall of the connecting sealing cover (8) is provided with an inlet frame (4), the middle position of the inlet frame (4) is provided with a partition plate (5) inserted into the middle position of the recycling box (1), the inside of the connecting sealing cover (8) is provided with a sealing mounting mechanism for fixing the position of the recycling box (1), the inside of the recycling pipe (11) is provided with a material blocking pipe (13), one side of the material blocking pipe (13) is provided with an external connecting block (14), the outer walls of the external connecting block (14) and the fixed block (12) are provided with a rubidium magnet (15), one side of the external connecting block (14) is provided with a filter screen cover (16), and the inner wall of the material blocking pipe (13) is provided with a plurality of arc-shaped blocking blocks (17) at equal intervals.

2. A boiler flue gas preheating recycling device according to claim 1, characterized in that: The top end and the bottom end of the recycling box (1) are provided with a connecting pipe (3), and the inside of the connecting pipe (3) is provided with a solenoid valve.

3. The device for preheating and recycling of boiler flue gas according to claim 1, characterized in that: The top end of the inlet frame (4) is provided with an air inlet pipe (6).

4. The device for preheating and recycling of boiler flue gas according to claim 1, characterized in that: The bottom end of the inlet frame (4) is provided with an air outlet pipe (7).

5. The device for preheating and recycling of boiler flue gas according to claim 1, characterized in that: The sealing mounting mechanism comprises a sealing block (9), the inner wall of the connecting sealing cover (8) is provided with a sealing groove, one side of the recycling box (1) close to the connecting sealing cover (8) is provided with a sealing block (9), the outer wall of the sealing block (9) is matched with the sealing groove in the inner wall of the connecting sealing cover (8), and the outer wall of the sealing block (9) is provided with a sealing gasket (18) matched with the inner wall of the sealing groove.

6. A boiler flue gas preheating recovery device according to claim 5, characterized in that: The inner wall of the connecting sealing cover (8) is provided with a threaded groove, and the threaded groove is internally provided with a positioning screw (10) penetrating through the sealing block (9).

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