Fan for utilizing waste heat of boiler flue gas

Abstract

The utility model relates to the technical field of flue gas waste heat utilization, and discloses a boiler flue gas waste heat utilization fan which comprises a supporting box, a movable groove is formed in the top of the supporting box, the inner side wall of the supporting box is fixedly connected with a supporting plate, the inner wall of the supporting plate is movably connected with a lead screw, and the lead screw is fixedly connected with the movable groove. A movable block is movably connected to the outer wall of the lead screw, a movable frame is fixedly connected to the outer wall of the movable block, a supporting frame is fixedly connected to the top of the movable frame, a connecting column is movably connected to the inner wall of the supporting frame, a rotating disc is fixedly connected to one end of the connecting column, and an inserting rod is movably connected to the inner wall of the rotating disc. According to the fan for boiler flue gas waste heat utilization, a user can conveniently and flexibly adjust the fan according to use requirements, the height of the fan during supporting can be adjusted to a proper position, when the angle of the fan needs to be adjusted, an air barrel can be conveniently rotated to be adjusted, the fan meets different field use requirements, the applicability is high, and the practicability is high. And the use is flexible.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas waste heat utilization, in particular to a fan for utilizing boiler flue gas waste heat. Background Art

[0002] A boiler is a thermal energy device that converts the chemical energy of fuel into thermal energy, and then into steam, high-temperature water or organic heat carriers. Industrial boilers that use a large amount of resources such as coal generate a large amount of high-temperature flue gas every day, which is directly discharged into the atmosphere after simple treatment by economizers, causing huge waste to enterprises. Therefore, in the process of using the waste heat of boiler flue gas, the waste heat of flue gas will be compressed and transmitted for use through the gas collection function of the fan.

[0003] The existing fans for utilizing waste heat from boiler flue gas have a simple structure and low functionality, and have low adjustment flexibility during use, so that the height and angle cannot be adjusted according to the use requirements on site, which limits their use. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a fan for utilizing the waste heat of boiler flue gas, which has the advantages of flexible adjustment and the like, and solves the problems in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] In order to achieve the purpose of the above-mentioned flexible adjustment, the utility model provides the following technical solutions: a fan for utilizing the waste heat of boiler flue gas, comprising a support box, a movable groove is opened on the top of the support box, the inner wall of the support box is fixedly connected with a support plate, the inner wall of the support plate is movably connected with a screw rod, the outer wall of the screw rod is movably connected with a movable block, the outer wall of the movable block is fixedly connected with a movable frame, and the top of the movable frame is fixedly connected with a support frame.

[0008] The inner wall of the support frame is movably connected with a connecting column, one end of the connecting column is fixedly connected with a turntable, the inner wall of the turntable is movably connected with an insertion rod, one end of the insertion rod is fixedly connected with a connecting rope, one end of the connecting column is fixedly connected with an air cylinder, a dual-axis motor is installed on the inner wall of the air cylinder, and a filter is fixedly connected to the back of the air cylinder, which is convenient for users to flexibly adjust the fan according to usage requirements, so that the height of the fan when supported can be adjusted to a suitable position, and when the fan needs to be adjusted at an angle, it is also convenient to rotate the air cylinder for rotation adjustment, so that it can meet different on-site usage requirements, with high applicability and flexible use.

[0009] Preferably, the shaft ends of the dual-axis motor are respectively equipped with fan blades and a connecting shaft, and the outer wall of the connecting shaft is fixedly connected to a brush plate, which can synchronously drive the connecting shaft to rotate when the dual-axis motor drives the fan blades to rotate, and while utilizing the waste heat of the boiler flue gas, the brush plate can also clean the surface of the filter to reduce the adhesion of soot in the flue gas to the filter.

[0010] Preferably, a guide groove is provided on the inner wall of the support box, a guide block is fixedly connected to one side of the movable frame, and the outer wall of the guide block is movably connected to the inner wall of the guide groove, which can play a guiding and limiting role during adjustment to prevent instability during adjustment and movement.

[0011] Preferably, a bearing is provided on the inner wall of the support plate, and the inner ring of the bearing is fixedly connected to the outer wall of the screw rod, and the support plate is movably connected to the screw rod through the bearing and can be movably installed with the screw rod, so that it plays a supporting and positioning role when the screw rod is rotated.

[0012] Preferably, slots are provided on one side of the turntable and one side of the support frame, and the turntable and the support frame are movably connected to the insertion rod through the slots, so as to facilitate positioning of the adjusted air duct, thereby improving flexibility during adjustment and stability during use.

[0013] Preferably, the outer wall of the wind tube is provided with a movable shaft, and the wind tube is movably connected to the support frame via the movable shaft, so that the wind tube can be movably connected to the support frame, thereby bringing convenience to the adjustment operation.

[0014] Preferably, a positioning block is fixedly connected to the top of the support box, a positioning groove is opened on the top of the support frame, and the support frame is movably connected to the positioning block through the positioning groove, so that after the height of the air duct is reset, the support frame and the support box can be positioned and connected, thereby playing the role of limiting support.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a fan for utilizing the waste heat of boiler flue gas, which has the following beneficial effects:

[0017] 1. The fan for utilizing waste heat from boiler flue gas is convenient for users to flexibly adjust the fan according to the needs of use through the support box, movable groove, screw rod, movable block, movable frame, support frame, turntable, plug rod and connecting column, so that the height of the fan can be adjusted to a suitable position when supported, and when the angle of the fan needs to be adjusted, it is also convenient to rotate the wind tube for rotation adjustment, so that it can meet different on-site use needs, with high applicability and flexible use.

[0018] 2. The fan for utilizing the waste heat of boiler flue gas can drive the connecting shaft to rotate synchronously when the fan blades are driven by the double-shaft motor through a double-shaft motor, a connecting shaft and a brush plate. In addition, the brush plate can also be used to clean the surface of the filter while utilizing the waste heat of boiler flue gas, thereby reducing the adhesion of soot in the flue gas to the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the back structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;

[0022] Figure 4 This is a schematic diagram of the structure of the screw rod and the support frame of the utility model;

[0023] Figure 5 For this utility model Figure 4 Enlarged view of point A in the middle;

[0024] Figure 6 This is a schematic diagram of the support box structure of the utility model.

[0025] In the figure: 1. support box; 2. positioning block; 3. movable groove; 4. guide groove; 5. support plate; 6. screw rod; 7. movable block; 8. movable frame; 9. guide block; 10. support frame; 11. turntable; 12. plug-in rod; 13. connecting rope; 14. connecting column; 15. air cylinder; 16. dual-axis motor; 17. fan blades; 18. connecting shaft; 19. brush plate; 20. filter. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] The preferred embodiment of the fan for utilizing the waste heat of boiler flue gas provided by the utility model is as follows: Figures 1 to 6As shown: a fan for utilizing waste heat from boiler flue gas, comprising a support box 1, a movable groove 3 is opened on the top of the support box 1, a support plate 5 is fixedly connected to the inner wall of the support box 1, a screw rod 6 is movably connected to the inner wall of the support plate 5, a movable block 7 is movably connected to the outer wall of the screw rod 6, a movable frame 8 is fixedly connected to the outer wall of the movable block 7, and a support frame 10 is fixedly connected to the top of the movable frame 8.

[0029] The inner wall of the support frame 10 is movably connected with a connecting column 14, one end of which is fixedly connected to a turntable 11, the inner wall of the turntable 11 is movably connected with an insertion rod 12, one end of the insertion rod 12 is fixedly connected to a connecting rope 13, one end of the connecting column 14 is fixedly connected to a wind tube 15, a dual-axis motor 16 is installed on the inner wall of the wind tube 15, and a filter screen 20 is fixedly connected to the back of the wind tube 15, so that the user can flexibly adjust the fan according to the needs of use, so that the height of the fan when supported can be adjusted to a suitable position, and when the angle of the fan needs to be adjusted, it is also convenient to rotate the wind tube 15 for rotation adjustment, so that it can meet different on-site use needs, with high applicability and flexible use.

[0030] In this embodiment, the shaft ends of the dual-axis motor 16 are respectively equipped with fan blades 17 and a connecting shaft 18, and the outer wall of the connecting shaft 18 is fixedly connected to a brush plate 19, which can synchronously drive the connecting shaft 18 to rotate when the dual-axis motor 16 drives the fan blades 17 to rotate. While utilizing the waste heat of the boiler flue gas, the brush plate 19 can also clean the surface of the filter 20 to reduce the soot in the flue gas adhering to the filter 20.

[0031] Example 2

[0032] On the basis of Example 1, a preferred embodiment of the fan for utilizing the waste heat of boiler flue gas provided by the utility model is as follows: Figures 1 to 6 As shown: a guide groove 4 is provided on the inner wall of the support box 1, a guide block 9 is fixedly connected to one side of the movable frame 8, and the outer wall of the guide block 9 is movably connected to the inner wall of the guide groove 4, which can play a guiding and limiting role during adjustment to prevent instability during adjustment and movement.

[0033] In this embodiment, a bearing is provided on the inner wall of the support plate 5, and the inner ring of the bearing is fixedly connected to the outer wall of the screw rod 6. The support plate 5 is movably connected to the screw rod 6 through the bearing and can be movably installed with the screw rod 6, so that it plays a supporting and positioning role when the screw rod 6 is rotated.

[0034] Furthermore, slots are provided on one side of the turntable 11 and one side of the support frame 10, and the turntable 11 and the support frame 10 are movably connected to the insertion rod 12 through the slots, which facilitates the positioning of the adjusted air duct 15, thereby improving flexibility during adjustment and stability during use.

[0035] Furthermore, a movable shaft is provided on the outer wall of the wind tube 15, and the wind tube 15 is movably connected to the support frame 10 via the movable shaft, so that the wind tube 15 can be movably connected to the support frame 10, thereby bringing convenience to the adjustment operation.

[0036] In addition, a positioning block 2 is fixedly connected to the top of the support box 1, a positioning groove is opened on the top of the support frame 10, and the support frame 10 is movably connected to the positioning block 2 through the positioning groove. After the height of the air duct 15 is reset, the support frame 10 can be positioned and connected with the support box 1, thereby playing the role of limiting support.

[0037] When in use, first move the fan as a whole to a suitable position, and then rotate the screw rod 6 according to the height of use, so that the screw rod 6 drives the movable block 7 of the outer wall to move when rotating, so that the movable frame 8 outside the movable block 7 can be synchronously moved up and down in the support box 1 through the cooperation of the movable groove 3, and the wind tube 15 can be adjusted to a suitable height. When the angle of the wind tube 15 needs to be adjusted, the plug rod 12 can be removed from the turntable 11, and then after adjusting the angle of the wind tube 15 by the cooperation and rotation of the support frame 10, the plug rod 12 can be inserted into the turntable 11 and positioned with the support frame 10, so as to quickly complete the adjustment work, and the adjustment operation can be performed according to the use requirements, and when the dual-axis motor 16 is started to drive the fan blades 17 to rotate for utilizing the waste heat of the flue gas, the dual-axis motor 16 is cooperated to make the connecting shaft 18 rotate outside the filter screen 20, and drive the brush plate 19 to clean the surface of the filter screen 20 during rotation, thereby reducing the clogging caused by the adhesion and accumulation of smoke, and effectively improving the functionality of use.

[0038] To sum up, the fan for utilizing the waste heat of boiler flue gas is convenient for users to flexibly adjust the fan according to the needs of use, so that the height of the fan when supported can be adjusted to a suitable position, and when the angle of the fan needs to be adjusted, it is also convenient to rotate the wind tube 15 for adjustment to meet different on-site use needs. At the same time, when the dual-axis motor 16 drives the fan blades 17 to rotate, it can synchronously drive the connecting shaft 18 to rotate, and while utilizing the waste heat of boiler flue gas, the surface of the filter 20 can also be cleaned by the brush plate 19 to reduce the adhesion of soot in the flue gas to the filter 20.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fan for utilizing waste heat from boiler flue gas, comprising a support box (1), characterized in that: The top of the support box (1) is provided with a movable groove (3), the inner wall of the support box (1) is fixedly connected to a support plate (5), the inner wall of the support plate (5) is movably connected to a screw rod (6), the outer wall of the screw rod (6) is movably connected to a movable block (7), the outer wall of the movable block (7) is fixedly connected to a movable frame (8), and the top of the movable frame (8) is fixedly connected to a support frame (10); The inner wall of the support frame (10) is movably connected to a connecting column (14), one end of the connecting column (14) is fixedly connected to a turntable (11), the inner wall of the turntable (11) is movably connected to an insertion rod (12), one end of the insertion rod (12) is fixedly connected to a connecting rope (13), one end of the connecting column (14) is fixedly connected to a wind tube (15), a double-axis motor (16) is installed on the inner wall of the wind tube (15), and a filter (20) is fixedly connected to the back of the wind tube (15).

2. The fan for utilizing waste heat from boiler flue gas according to claim 1, characterized in that: The shaft ends of the dual-shaft motor (16) are respectively mounted with fan blades (17) and a connecting shaft (18), and the outer wall of the connecting shaft (18) is fixedly connected with a brush plate (19).

3. The fan for utilizing waste heat from boiler flue gas according to claim 1, characterized in that: The inner wall of the support box (1) is provided with a guide groove (4), one side of the movable frame (8) is fixedly connected with a guide block (9), and the outer wall of the guide block (9) is movably connected to the inner wall of the guide groove (4).

4. The fan for utilizing waste heat from boiler flue gas according to claim 1, characterized in that: The inner wall of the support plate (5) is provided with a bearing, and the inner ring of the bearing is fixedly connected to the outer wall of the screw rod (6), and the support plate (5) is movably connected to the screw rod (6) via the bearing.

5. The fan for utilizing waste heat from boiler flue gas according to claim 1, characterized in that: One side of the rotating disk (11) and one side of the supporting frame (10) are both provided with slots, and the rotating disk (11) and the supporting frame (10) are both movably connected to the insertion rod (12) via the slots.

6. The fan for utilizing waste heat from boiler flue gas according to claim 1, characterized in that: The outer wall of the wind tube (15) is provided with a movable shaft, and the wind tube (15) is movably connected to the support frame (10) via the movable shaft.

7. The fan for utilizing waste heat from boiler flue gas according to claim 1, characterized in that: A positioning block (2) is fixedly connected to the top of the support box (1), a positioning groove is provided on the top of the support frame (10), and the support frame (10) is movably connected to the positioning block (2) via the positioning groove.

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