Boiler waste heat recovery device

Abstract

The utility model relates to a boiler waste heat recovery device which comprises a processing box, the periphery of the bottom of the processing box is fixedly connected with a water storage tank through supporting legs, the inner wall of the water storage tank is provided with a heating cavity, the processing box is communicated with a conveying pipe in butt joint with a boiler, and the bottom of the processing box is communicated with a fixing cylinder. The left side of the fixing cylinder communicates with an auxiliary bent pipe, one end of the auxiliary bent pipe penetrates into the heating cavity, a cable-stayed plate is transversely inserted into the treatment box, a filter screen is embedded in the cable-stayed plate, and an auxiliary assembly matched with the filter screen for use is arranged on the treatment box. Impurities attached to the filter screen can be quickly shaken off towards one side through shaking force, so that the filter screen can be cleaned in real time, the situation that the filter screen is blocked and normal use of the filter screen is affected is effectively avoided, the whole cleaning process does not need to be stopped and is simple and convenient, and the working efficiency of the device is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of boilers, in particular to a boiler waste heat recovery device. Background Art

[0002] A boiler is an energy conversion device. The energy input to the boiler includes chemical energy and electrical energy in the fuel. The boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy. The flue gas of the boiler contains a lot of heat. In order to avoid wasting waste heat, users often use boiler waste heat recovery devices to recycle and reuse the waste heat.

[0003] The utility model with publication number CN219797253U discloses a boiler waste heat recovery device including a base, the top of the base is fixedly connected to the boiler and the box, a partition is fixedly connected in the box, a smoke outlet pipe is fixedly connected between the boiler and the box, and a detachable filter purification component is arranged in the box above the partition. The application can filter the dust in the flue gas through the setting of the filter box, and can absorb the harmful substances in the flue gas through the setting of activated carbon particles to achieve the purpose of purification, so that the discharged gas will not pollute the surrounding environment, and the filter box can be disassembled, cleaned and replaced conveniently and quickly to ensure the effect of filtering and purification.

[0004] However, this application cannot use vibration to shake off the impurities attached to the surface of the filter device in real time, and the filter device needs to be shut down to disassemble and clean it, which directly affects the normal use of the boiler waste heat recovery device and greatly reduces the working efficiency of the boiler waste heat recovery device. Utility Model Content

[0005] The utility model aims to solve the defect in the prior art that the impurities attached to the surface of the filter device cannot be shaken off in real time by vibration, and proposes a boiler waste heat recovery device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A boiler waste heat recovery device comprises a treatment box, the bottom of which is fixedly connected to a water storage tank by legs on all sides, a heating chamber is provided on the inner wall of the water storage tank, a delivery pipe connected to the boiler is connected to the treatment box, a fixed cylinder is connected to the bottom of the treatment box, an auxiliary bent pipe is connected to the left side of the fixed cylinder and one end of the auxiliary bent pipe passes through the heating chamber, a first air pump is fixedly connected to the bottom of the left side of the water storage tank by a first support plate, an air inlet end of the first air pump is connected to an L-shaped pipe used in conjunction with the heating chamber, a partition is fixedly connected to the left side of the inner cavity of the heating chamber and the partition is located on the side where the L-shaped pipe and the auxiliary bent pipe are close to each other, an inclined plate is horizontally inserted in the treatment box, a filter screen is embedded in the inclined plate, and an auxiliary component used in conjunction with the filter screen is provided on the treatment box.

[0008] Preferably, the auxiliary component includes a vertical plate fixedly connected to the left side of the bottom of the inclined plate, and a plurality of groups of cross bars are inserted in sequence along the front-to-back direction on the left side of the vertical plate, one end of the cross bar is fixedly connected to a limiting plate, and the other end of the cross bar is fixedly connected to a slide plate, and the right side of the slide plate is slidably arranged on the processing box, a spring is wound around each group of the cross bars, and the two ends of the spring are fixedly connected to the side where the vertical plate and the slide plate are close to each other, a groove is opened on the right side of the inclined plate, and two groups of cross plates are fixedly connected in sequence along the up and down directions on the right side of the processing box, and a driving frame used in conjunction with the groove is rotatably installed on the side where the cross plates are close to each other, an upper group of the cross plates is fixedly connected to a motor through an auxiliary frame, and the output shaft of the motor is fixedly connected to the driving frame, and the left side of the processing box is connected to a collection frame used in conjunction with the inclined plate.

[0009] Preferably, a plurality of groups of limit slides are sequentially fixedly connected to the right side of the slide plate along the front-rear direction, and a limit slideway used in conjunction with the limit slide is provided on the left side of the processing box.

[0010] Preferably, the top of the left back side of the water storage tank is fixedly connected to a second air pump through a second support plate, the air outlet end of the second air pump is connected to an air outlet pipe, the end of the air outlet pipe away from the second air pump is connected to an L-shaped pipe, the end of the L-shaped pipe close to the water storage tank is connected to a one-way valve, and the one-way valve is located on the right side of the air outlet pipe.

[0011] Preferably, an elastic pad used in conjunction with the driving frame is arranged on the left side of the inner cavity of the groove, and a sealing pad used in conjunction with the inclined plate is embedded on the right and left sides of the inner cavity of the processing box.

[0012] Preferably, two groups of limit rods are symmetrically fixedly connected to the right side of the inclined plate along the front-to-back direction, a blocking plate is fixedly connected to the inclined plate and the right side of the blocking plate is affixed to one of the groups of sealing pads.

[0013] Preferably, the bottom of the fixed cylinder is fixedly connected to the water storage tank.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The boiler waste heat recovery device, by setting an auxiliary component and using a motor to provide a driving source, can control the driving frame to rotate, and by using the elastic rebound of the spring, can provide the vertical plate and the inclined plate with a certain movable space while assisting the vertical plate and the inclined plate to quickly reset when affected by external force. At this time, the continuously rotating driving frame will continuously knock on the inclined plate to move it to a certain position, and at this time, the spring assists the inclined plate to quickly reset, and the spring can move up and down with the assistance of the slide plate to avoid affecting the normal movement of the inclined plate, and at the same time, the inclined plate and the filter screen will generate certain vibrations during the continuous knocking process, and at this time, the vibration force can be used to quickly shake off the impurities attached to the filter screen to one side, so as to clean the filter screen in real time, and the design of the collection frame can quickly collect the impurities shaken off, effectively avoiding clogging of the filter screen and affecting the normal use of the filter screen, and the entire cleaning process does not require shutdown, which is simple and convenient, and further improves the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a boiler waste heat recovery device proposed by the utility model;

[0017] Figure 2 This is a partial cross-sectional view of the structure of a boiler waste heat recovery device proposed by the utility model;

[0018] Figure 3 This is a bottom view of the structure of the inclined-stayed plate proposed in the utility model.

[0019] In the figure: 1. treatment box; 2. water storage tank; 3. first air pump; 4. L-shaped pipe; 5. heating chamber; 6. partition; 7. fixed cylinder; 8. auxiliary bent pipe; 9. conveying pipe; 10. inclined plate; 11. filter screen; 12. vertical plate; 13. limit slide; 14. limit slide seat; 15. slide plate; 16. cross bar; 17. spring; 18. cross plate; 19. driving frame; 20. motor; 21. groove; 22. elastic pad; 23. limit rod; 24. sealing pad; 25. collecting frame; 26. second air pump; 27. outlet pipe; 28. one-way valve. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Embodiment 1

[0022] Reference Figure 1-3A boiler waste heat recovery device includes a processing box 1, the bottom of the processing box 1 is fixedly connected to a water storage tank 2 through legs, the inner wall of the water storage tank 2 is provided with a heating chamber 5, the processing box 1 is connected with a delivery pipe 9 connected to the boiler, the bottom of the processing box 1 is connected with a fixed cylinder 7, the left side of the fixed cylinder 7 is connected with an auxiliary elbow 8 and one end of the auxiliary elbow 8 passes through the heating chamber 5, the bottom of the left side of the water storage tank 2 is fixedly connected with a first air pump 3 through a first support plate, the air inlet end of the first air pump 3 is connected with an L-shaped pipe 4 used in conjunction with the heating chamber 5, the left side of the inner cavity of the heating chamber 5 is fixedly connected with a partition 6 and the partition 6 is located On the side where the L-shaped tube 4 and the auxiliary bent tube 8 are close to each other, an inclined plate 10 is horizontally inserted in the processing box 1, and a filter screen 11 is embedded on the inclined plate 10. The processing box 1 is provided with an auxiliary component for use with the filter screen 11. By setting the auxiliary component, the impurities attached to the filter screen 11 can be quickly shaken off to one side by the vibration force, so that the filter screen 11 can be cleaned in real time, and the design of the collecting frame 25 can quickly collect the impurities shaken off, effectively avoiding clogging of the filter screen 11 and affecting the normal use of the filter screen 11, and the entire cleaning process does not require shutdown, which is simple and convenient, and further improves the working efficiency of the device.

[0023] Embodiment 2

[0024] Improvement on the basis of embodiment 1: a boiler waste heat recovery device comprises a treatment box 1, the bottom of the treatment box 1 is fixedly connected to a water tank 2 by legs, the inner wall of the water tank 2 is provided with a heating chamber 5, the treatment box 1 is connected with a delivery pipe 9 connected to the boiler, the bottom of the treatment box 1 is connected with a fixed cylinder 7, the left side of the fixed cylinder 7 is connected with an auxiliary curved pipe 8 and one end of the auxiliary curved pipe 8 passes through the heating chamber 5, the bottom of the fixed cylinder 7 is fixedly connected to the water tank 2, further improving the stability between the fixed cylinder 7 and the water tank 2, the bottom of the left side of the water tank 2 is fixedly connected with a first air pump 3 by a first support plate, the air inlet end of the first air pump 3 is connected with an L-shaped pipe 4 used in conjunction with the heating chamber 5, the left side of the inner cavity of the heating chamber 5 is fixedly connected with a partition 6 and The partition 6 is located on the side where the L-shaped tube 4 and the auxiliary elbow 8 are close to each other, and an inclined plate 10 is horizontally inserted in the processing box 1, and a filter screen 11 is embedded on the inclined plate 10. The top of the left back side of the water storage tank 2 is fixedly connected to the second air pump 26 through the second support plate, and the air outlet end of the second air pump 26 is connected to the air outlet pipe 27, and the end of the air outlet pipe 27 away from the second air pump 26 is connected to the L-shaped tube 4, and the end of the L-shaped tube 4 close to the water storage tank 2 is connected to the one-way valve 28, and the one-way valve 28 is located on the right side of the air outlet pipe 27. The design of the second air pump 26 and the air outlet pipe 27 can directly mix the external cold air with the flue gas, further cool the flue gas, and avoid direct discharge of high-temperature flue gas. The design of the one-way valve 28 prevents the external cold air from rushing into the heating chamber 5. An auxiliary component for use with the filter screen 11 is provided, and the auxiliary component includes a vertical plate 12 fixedly connected to the left side of the bottom of the inclined plate 10, and a plurality of groups of cross bars 16 are sequentially inserted transversely along the front-to-back direction on the left side of the vertical plate 12, and one end of the cross bar 16 is fixedly connected to a limiting disk, and the other end of the cross bar 16 is fixedly connected to a slide plate 15, and the right side of the slide plate 15 is slidingly provided on the processing box 1, and a plurality of groups of limiting slide seats 14 are sequentially fixedly connected to the right side of the slide plate 15 along the front-to-back direction, and a limiting slideway 13 for use with the limiting slide seat 14 is provided on the left side of the processing box 1. By setting the limiting slide seat 14 and the limiting slideway 13, the slide plate 15 can be slidably limited to prevent it from detaching from the processing box 1 and affecting the normal use of the slide plate 15, and a spring 17 is wound around each group of cross bars 16 and The two ends of the spring 17 are fixedly connected to the side where the vertical plate 12 and the slide plate 15 are close to each other. A groove 21 is opened on the right side of the inclined plate 10. Two groups of horizontal plates 18 are fixedly connected to the right side of the processing box 1 in sequence along the up and down directions. A driving frame 19 used in conjunction with the groove 21 is rotatably installed on the side where the horizontal plates 18 are close to each other. A motor 20 is fixedly connected to the upper group of horizontal plates 18 through an auxiliary frame, and the output shaft of the motor 20 is fixedly connected to the driving frame 19. The left side of the processing box 1 is connected to a collecting frame 25 used in conjunction with the inclined plate 10. By setting an auxiliary component, the impurities attached to the filter screen 11 can be quickly shaken off to one side by the vibration force, so that the filter screen 11 can be cleaned in real time. The design of the collecting frame 25 can quickly collect the impurities that are shaken off.It can effectively avoid the filter 11 from being blocked, which would affect the normal use of the filter 11. The whole cleaning process does not require shutdown, which is simple and convenient, and further improves the working efficiency of the device. An elastic pad 22 used in conjunction with the drive frame 19 is arranged on the left side of the inner cavity of the groove 21. A sealing pad 24 used in conjunction with the inclined plate 10 is embedded on the right and right sides of the inner cavity of the processing box 1. The design of the elastic pad 22 can prevent the drive frame 19 from directly hitting the inclined plate 10, which can avoid noise. The design of the sealing pad 24 improves the sealing performance of the contact between the inclined plate 10 and the processing box 1. A controller is arranged on the front of the processing box 1. Two groups of limiting rods 23 are symmetrically fixedly connected to the right side of the inclined plate 10 in the front-to-back direction. A blocking plate is fixedly connected to the inclined plate 10, and the right side of the blocking plate is attached to one of the groups of sealing pads 24. The design of the limiting rod 23 and the blocking plate can position the inclined plate 10.

[0025] In the utility model, the user transports the flue gas in the boiler to the processing box 1 through the transport pipe 9. At this time, the first air pump 3 pulls the flue gas through the L-shaped pipe 4. At this time, the flue gas is filtered by the filter screen 11 and then transported to the heating chamber 5 through the fixed cylinder 7 and the auxiliary bent pipe 8, and the heating chamber 5 is heated, so as to heat the clean water inside the water storage tank 2, and the waste heat of the flue gas is recycled and reused. At the same time, the first air pump 3 discharges the flue gas after the cycle. After the filter screen 11 has been used for a period of time, a lot of impurities will be attached to the surface. At this time, the user turns on the motor 20 through the controller, and the motor 20 drives the driving frame 19 to rotate. At this time, the elastic rebound of the spring 17 can be used to give the vertical plate 12 and the inclined plate 10 a The movable space is fixed. At this time, the rotating driving frame 19 will continuously knock the inclined plate 10, so that the inclined plate 10 and the filter screen 11 will move to a certain position synchronously. At this time, the elastic rebound of the spring 17 can assist the inclined plate 10 to quickly reset, and the spring 17 can move up and down with the assistance of the slide plate 15 to avoid affecting the normal movement of the inclined plate 10. At this time, the inclined plate 10 and the filter screen 11 will produce a certain vibration during the continuous knocking process. The vibration force can be used to quickly shake the impurities attached to the filter screen 11 to one side and collect them in the collection frame 25. The filter screen 11 is cleaned in real time, which can effectively avoid clogging of the filter screen 11. The entire cleaning process does not require shutdown, which is simple and convenient, and further improves the working efficiency of the device.

[0026] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A boiler waste heat recovery device, comprising a processing box (1), characterized in that: The bottom of the treatment box (1) is fixedly connected to a water storage tank (2) via legs on all sides, the inner wall of the water storage tank (2) is provided with a heating chamber (5), the treatment box (1) is connected to a delivery pipe (9) connected to a boiler, the bottom of the treatment box (1) is connected to a fixed cylinder (7), the left side of the fixed cylinder (7) is connected to an auxiliary curved pipe (8) and one end of the auxiliary curved pipe (8) passes through the heating chamber (5), the bottom of the left side of the water storage tank (2) is fixedly connected to a first support plate via a first support plate. An air pump (3), wherein the air inlet end of the first air pump (3) is connected to an L-shaped tube (4) for use with a heating chamber (5), a partition (6) is fixedly connected to the left side of the inner cavity of the heating chamber (5), and the partition (6) is located on a side where the L-shaped tube (4) and the auxiliary curved tube (8) are close to each other, an inclined plate (10) is transversely inserted into the processing box (1), a filter screen (11) is embedded on the inclined plate (10), and an auxiliary component for use with the filter screen (11) is provided on the processing box (1).

2. A boiler waste heat recovery device according to claim 1, characterized in that: The auxiliary component comprises a vertical plate (12) fixedly connected to the left side of the bottom of the inclined plate (10); a plurality of groups of cross bars (16) are sequentially inserted transversely along the front-rear direction on the left side of the vertical plate (12); one end of the cross bar (16) is fixedly connected to a limit plate; the other end of the cross bar (16) is fixedly connected to a slide plate (15); the right side of the slide plate (15) is slidably arranged on the processing box (1); a spring (17) is wound around each group of the cross bars (16); and the two ends of the spring (17) are fixedly connected to a position where the vertical plate (12) and the slide plate (15) are close to each other. The side of the inclined plate (10) is provided with a groove (21), the right side of the processing box (1) is fixedly connected with two groups of transverse plates (18) in sequence along the up-down direction, the side of the transverse plates (18) close to each other is rotatably provided with a driving frame (19) used in conjunction with the groove (21), the upper group of the transverse plates (18) is fixedly connected with a motor (20) through an auxiliary frame, and the output shaft of the motor (20) is fixedly connected to the driving frame (19), and the left side of the processing box (1) is connected with a collecting frame (25) used in conjunction with the inclined plate (10).

3. A boiler waste heat recovery device according to claim 2, characterized in that: The right side of the slide plate (15) is fixedly connected in sequence along the front-to-back direction with a plurality of groups of limit slide seats (14), and the left side of the processing box (1) is provided with a limit slideway (13) for use with the limit slide seats (14).

4. A boiler waste heat recovery device according to claim 1, characterized in that: A second air pump (26) is fixedly connected to the top of the left back side of the water storage tank (2) via a second support plate; an air outlet end of the second air pump (26) is connected to an air outlet pipe (27); an end of the air outlet pipe (27) away from the second air pump (26) is connected to the L-shaped pipe (4); an end of the L-shaped pipe (4) close to the water storage tank (2) is connected to a one-way valve (28), and the one-way valve (28) is located on the right side of the air outlet pipe (27).

5. A boiler waste heat recovery device according to claim 2, characterized in that: An elastic pad (22) for use with the drive frame (19) is provided on the left side of the inner cavity of the groove (21), and a sealing pad (24) for use with the inclined plate (10) is embedded on the right and left sides of the inner cavity of the processing box (1).

6. A boiler waste heat recovery device according to claim 1, characterized in that: Two groups of limit rods (23) are symmetrically fixedly connected to the right side of the inclined plate (10) along the front-rear direction. A blocking plate is fixedly connected to the inclined plate (10), and the right side of the blocking plate is affixed to one of the groups of sealing pads (24).

7. The boiler waste heat recovery device according to claim 1, characterized in that: The bottom of the fixed cylinder (7) is fixedly connected to the water storage tank (2).

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