Low-energy-consumption steam air preheater

Abstract

The utility model relates to the technical field of steam air pre-heaters, and discloses a low-energy-consumption steam air pre-heater, which solves the problems that a filter screen of the air pre-heater needs to be detached for cleaning when being cleaned, the use is very inconvenient, the labor amount of operators is increased, and the working efficiency is reduced, and comprises a mounting plate, a mounting table is fixedly mounted at the top of the mounting plate, a steam air preheater body is fixedly mounted on the upper portion of the mounting table, an air outlet pipe is fixedly mounted at one end of the steam air preheater body, an air inlet pipe is fixedly mounted at the other end of the steam air preheater body, and four supporting legs are fixedly mounted at the bottom of the mounting plate. The four supporting legs are distributed along the four corners of the bottom of the mounting plate, a mounting frame is arranged in the air inlet pipe, a filter screen is fixedly mounted in the mounting frame, and a quick cleaning assembly is arranged on the lower side of the air inlet pipe. The filter screen of the air preheater is very convenient to clean, so that the labor amount of operators is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of steam air preheaters, in particular to a low-energy-consumption steam air preheater. Background Art

[0002] The air preheater can use the heat energy carried by the flue gas at the boiler outlet to preheat the boiler combustion air or other drying purposes; the air preheater absorbs the waste heat of the exhaust gas to improve the efficiency of the boiler; the existing patent (Announcement No.: CN212108463U) is a low-energy air preheater for garbage power plants. By setting the first guide plate and the second guide plate, the contact time between air and heat is enhanced, thereby improving the energy-saving effect of the preheater; however, the filter screen of the air preheater needs to be disassembled for cleaning, which is very inconvenient to use, increases the workload of operators, and reduces work efficiency. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a low-energy steam air preheater, which effectively solves the problem that the filter of the air preheater needs to be disassembled for cleaning, which is very inconvenient to use, increases the workload of the operator, and reduces work efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-energy steam air preheater, comprising a mounting plate, a mounting platform is fixedly installed on the top of the mounting plate, a steam air preheater body is fixedly installed on the upper part of the mounting platform, an air outlet pipe is fixedly installed on one end of the steam air preheater body, an air inlet pipe is fixedly installed on the other end of the steam air preheater body, four supporting legs are fixedly installed on the bottom of the mounting plate, and the four supporting legs are distributed along the four corners of the bottom of the mounting plate, a mounting frame is provided inside the air inlet pipe, a filter screen is fixedly installed inside the mounting frame, a quick cleaning component is provided on the lower side of the air inlet pipe, a card block is fixedly installed on the top of the mounting frame, a card slot is opened on the top of the air inlet pipe, the card block is installed inside the card slot, and the quick cleaning component is movably connected to the bottom of the mounting frame.

[0005] Preferably, the quick cleaning assembly includes a connecting plate, a driving motor is fixedly mounted on the upper portion of one side of the connecting plate, an axle seat is fixedly mounted on the lower portion of one side of the connecting plate, a first sprocket is fixedly mounted on the output end of the driving motor, a second sprocket is rotatably mounted on one end of the axle seat, and a chain is meshed and connected between the first sprocket and the second sprocket.

[0006] Preferably, a first rotating rod is fixedly installed on one side of the first sprocket, a first sleeve is rotatably installed on the surface of the first rotating rod, a connecting block is fixedly installed on the upper side of the first sleeve, the top of the connecting block is fixedly connected to the intake pipe, a cleaning brush is fixedly installed on the end of the first rotating rod away from the first sprocket, and a connecting rod is fixedly installed on the bottom of the first sleeve.

[0007] Preferably, a second rotating rod is fixedly installed on one side of the second sprocket, a second bushing is rotatably installed on the surface of the second rotating rod, the top of the second bushing is fixedly connected to the bottom end of the connecting rod, a turntable is fixedly installed on the end of the second rotating rod away from the second sprocket, a transmission shaft is rotatably installed on one side of the turntable, a third bushing is rotatably installed on the surface of the transmission shaft, a movable bar is fixedly installed on the top of the third bushing, and the top of the movable bar is rotatably connected to the bottom of the mounting frame.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] During operation, the operator starts the driving motor to drive the first sprocket to rotate. When the first sprocket rotates, the second sprocket is driven to rotate along the shaft seat through the chain. When the second sprocket rotates, the second rotating rod is driven to rotate along the inside of the second shaft sleeve. When the second rotating rod rotates, the transmission shaft is driven to rotate through the turntable. When the transmission shaft rotates, the installation frame is driven to move downward through the movable bar. When the installation frame moves downward, the block is driven to move out of the inside of the slot and the filter is driven to move downward at the same time.

[0010] The rotation of the first sprocket simultaneously drives the first rotating rod to rotate inside the first shaft sleeve. When the first rotating rod rotates, it drives the cleaning brush to rotate, so that the moving filter can be cleaned. When the turntable continues to rotate, it drives the installation frame to re-enter the interior of the intake pipe, and drives the card block to be stuck in the interior of the card slot, thereby driving the filter to reset; the filter of the air preheater is very convenient to clean, thereby reducing the workload of the operator and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0012] In the attached picture:

[0013] Figure 1 It is a partial cross-sectional structural schematic diagram of the low-energy consumption steam air preheater of the utility model;

[0014] Figure 2 For this utility model Figure 1 A schematic diagram of a local enlarged structure;

[0015] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0016] In the figure: 1. mounting plate; 2. mounting table; 3. steam air preheater body; 4. supporting leg; 5. exhaust pipe; 6. intake pipe; 7. mounting frame; 8. filter screen; 9. clamping block; 10. clamping slot; 11. connecting plate; 12. driving motor; 13. first sprocket; 14. shaft seat; 15. second sprocket; 16. chain; 17. first rotating rod; 18. first shaft sleeve; 19. connecting block; 20. connecting rod; 21. second rotating rod; 22. second shaft sleeve; 23. turntable; 24. transmission shaft; 25. third shaft sleeve; 26. movable bar; 27. cleaning brush. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] Depend on Figures 1 to 3 The utility model includes a mounting plate 1, a mounting platform 2 is fixedly mounted on the top of the mounting plate 1, a steam air preheater body 3 is fixedly mounted on the upper part of the mounting platform 2, a guide plate which is the same as that in an air preheater for a low-energy garbage power station as announced in CN212108463U is arranged inside the steam air preheater body 3, so as to achieve the effect of low energy consumption, an air outlet pipe 5 is fixedly mounted on one end of the steam air preheater body 3, an air inlet pipe 6 is fixedly mounted on the other end of the steam air preheater body 3, four supporting legs 4 are fixedly mounted on the bottom of the mounting plate 1, and the four supporting legs 4 are distributed along the four corners of the bottom of the mounting plate 1, a mounting frame 7 is arranged inside the air inlet pipe 6, a filter screen 8 is fixedly mounted inside the mounting frame 7, a quick cleaning component is arranged on the lower side of the air inlet pipe 6, a card block 9 is fixedly mounted on the top of the mounting frame 7, a card slot 10 is opened on the top inside the air inlet pipe 6, the card block 9 is mounted inside the card slot 10, and the quick cleaning component is movably connected to the bottom of the mounting frame 7.

[0019] During operation, the operator starts the quick cleaning component to drive the installation frame 7 to move downward. When the installation frame 7 moves downward, the card block 9 is moved out of the interior of the card slot 10, and the filter screen 8 is moved downward at the same time. The moving filter screen 8 can be cleaned while the quick cleaning component is running. When the quick cleaning component continues to run, it will drive the installation frame 7 to re-enter the interior of the air intake pipe 6, and drive the card block 9 to be stuck in the interior of the card slot 10, thereby driving the filter screen 8 to reset; making it very convenient to clean the filter screen 8 of the air preheater, thereby reducing the workload of the operator and improving work efficiency.

[0020] The quick cleaning assembly includes a connecting plate 11, a driving motor 12 is fixedly installed on the upper part of one side of the connecting plate 11, a shaft seat 14 is fixedly installed on the lower part of one side of the connecting plate 11, a first sprocket 13 is fixedly installed on the output end of the driving motor 12, a second sprocket 15 is rotatably installed on one end of the shaft seat 14, and a chain 16 is meshed and connected between the first sprocket 13 and the second sprocket 15; a first rotating rod 17 is fixedly installed on one side of the first sprocket 13, a first shaft sleeve 18 is rotatably installed on the surface of the first rotating rod 17, a connecting block 19 is fixedly installed on the upper side of the first shaft sleeve 18, the top of the connecting block 19 is fixedly connected to the intake pipe 6, and the first rotating rod 17 is away from the first sprocket. A cleaning brush 27 is fixedly installed at one end of a sprocket 13, and a connecting rod 20 is fixedly installed at the bottom of the first sleeve 18; a second rotating rod 21 is fixedly installed on one side of the second sprocket 15, and a second sleeve 22 is rotatably installed on the surface of the second rotating rod 21, and the top of the second sleeve 22 is fixedly connected to the bottom end of the connecting rod 20, and a turntable 23 is fixedly installed on the end of the second rotating rod 21 away from the second sprocket 15, and a transmission shaft 24 is rotatably installed on one side of the turntable 23, and a third sleeve 25 is rotatably installed on the surface of the transmission shaft 24, and a movable bar 26 is fixedly installed on the top of the third sleeve 25, and the top of the movable bar 26 is rotatably connected to the bottom of the mounting frame 7.

[0021] The operator starts the driving motor 12 to drive the first sprocket 13 to rotate. When the first sprocket 13 rotates, it drives the second sprocket 15 to rotate along the shaft seat 14 through the chain 16. When the second sprocket 15 rotates, it drives the second rotating rod 21 to rotate along the inside of the second sleeve 22. When the second rotating rod 21 rotates, it drives the transmission shaft 24 to rotate through the turntable 23. When the transmission shaft 24 rotates, it drives the installation frame 7 to move downward through the movable bar 26; the rotation of the first sprocket 13 simultaneously drives the first rotating rod 17 to rotate inside the first sleeve 18, and when the first rotating rod 17 rotates, it drives the cleaning brush 27 to rotate; when the turntable 23 continues to rotate, it drives the installation frame 7 to re-enter the interior of the intake pipe 6 for reset.

Claims

1. A low energy consumption steam air preheater, comprising a mounting plate (1), characterized in that: A mounting platform (2) is fixedly mounted on the top of the mounting plate (1), a steam air preheater body (3) is fixedly mounted on the upper part of the mounting platform (2), an air outlet pipe (5) is fixedly mounted on one end of the steam air preheater body (3), an air inlet pipe (6) is fixedly mounted on the other end of the steam air preheater body (3), four supporting legs (4) are fixedly mounted on the bottom of the mounting plate (1), the four supporting legs (4) are distributed along the four corners of the bottom of the mounting plate (1), a mounting frame (7) is provided inside the air inlet pipe (6), a filter screen (8) is fixedly mounted inside the mounting frame (7), a quick cleaning component is provided on the lower side of the air inlet pipe (6), a clamping block (9) is fixedly mounted on the top of the mounting frame (7), a clamping slot (10) is provided at the top of the air inlet pipe (6), the clamping block (9) is mounted inside the clamping slot (10), and the quick cleaning component is movably connected to the bottom of the mounting frame (7).

2. A low energy consumption steam air preheater according to claim 1, characterized in that: The quick cleaning assembly comprises a connecting plate (11), a driving motor (12) is fixedly mounted on an upper portion of one side of the connecting plate (11), a shaft seat (14) is fixedly mounted on a lower portion of one side of the connecting plate (11), a first sprocket (13) is fixedly mounted on an output end of the driving motor (12), a second sprocket (15) is rotatably mounted on one end of the shaft seat (14), and a chain (16) is meshedly connected between the first sprocket (13) and the second sprocket (15).

3. A low energy consumption steam air preheater according to claim 2, characterized in that: A first rotating rod (17) is fixedly mounted on one side of the first sprocket (13); a first shaft sleeve (18) is rotatably mounted on the surface of the first rotating rod (17); a connecting block (19) is fixedly mounted on the upper side of the first shaft sleeve (18); the top of the connecting block (19) is fixedly connected to the air intake pipe (6); a cleaning brush (27) is fixedly mounted on one end of the first rotating rod (17) away from the first sprocket (13); and a connecting rod (20) is fixedly mounted on the bottom of the first shaft sleeve (18).

4. A low energy consumption steam air preheater according to claim 3, characterized in that: A second rotating rod (21) is fixedly mounted on one side of the second sprocket (15); a second shaft sleeve (22) is rotatably mounted on the surface of the second rotating rod (21); the top of the second shaft sleeve (22) is fixedly connected to the bottom end of the connecting rod (20); a rotating disk (23) is fixedly mounted on one end of the second rotating rod (21) away from the second sprocket (15); a transmission shaft (24) is rotatably mounted on one side of the rotating disk (23); a third shaft sleeve (25) is rotatably mounted on the surface of the transmission shaft (24); a movable bar (26) is fixedly mounted on the top of the third shaft sleeve (25); and the top of the movable bar (26) is rotatably connected to the bottom of the mounting frame (7).

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