High-pressure cleaning device of induced draft fan

Abstract

The utility model relates to the technical field of induced draft fans, in particular to an induced draft fan high-pressure cleaning device which comprises a high-pressure flushing mechanism. The high-pressure flushing mechanism comprises a hose, a water receiving pipe connected with one end of the hose, a booster pump connected to the pipe section of the water receiving pipe, a hard pipe connected to the other end of the hose, a plurality of water spraying holes formed in one end of the hard pipe and a hot air control mechanism connected to the hard pipe. A first valve is arranged on the hard pipe section; the hot air control mechanism comprises an air inlet pipe connected to the side wall of the hard pipe, a second valve connected to the pipe section of the air inlet pipe and a hot air supply device connected to one end of the air inlet pipe, and the air inlet pipe is located on one side of the water outlet end of the first valve; the device facilitates all-dimensional dead-corner-free high-pressure washing of the impeller of the induced draft fan, and solves the problems of high washing difficulty, high labor cost and long kiln stopping time in the existing induced draft fan washing process; and residual water on the impeller of the induced draft fan can be conveniently dried, and the kiln stopping time when the induced draft fan is washed is further shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of induced draft fans, in particular to a high-pressure cleaning device for induced draft fans. Background Art

[0002] During the shutdown and maintenance of the rotary kiln, the induced draft fan needs to be cleaned.

[0003] Since the impeller diameter of the induced draft fan is 1.8m, the impeller needs to be rotated during cleaning, which increases the cleaning workload and poses a risk. Secondly, the equipment cannot be disassembled, and a small amount of SO2 flue gas will overflow during cleaning, making it difficult for personnel to clean up. Multiple people are required to assist in cleaning, increasing labor costs. The cleaning of adhesives in the dead corners of the impeller is not thorough and takes a long time.

[0004] And after high-pressure cleaning of the fan impeller, the residual water on the surface of the impeller needs to be dried naturally, which prolongs the kiln shutdown time. Utility Model Content

[0005] The utility model aims to provide a high-pressure cleaning device for induced draft fans, which is used to solve the problems of large workload, great cleaning difficulty, need for multiple people to assist in cleaning, and long cleaning time in the current manual cleaning process of induced draft fans. In addition, the residual water on the impeller surface after cleaning is inconvenient to dry, resulting in extended kiln shutdown time.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-pressure cleaning device for an induced draft fan, comprising a high-pressure flushing mechanism, the high-pressure flushing mechanism comprising a hose, a water connecting pipe connected to one end of the hose, a booster pump connected to the water connecting pipe section, a hard pipe connected to the other end of the hose, a plurality of water spray holes opened at one end of the hard pipe, and a hot air control mechanism connected to the hard pipe; a first valve is provided on the hard pipe section; the hot air control mechanism comprises an air inlet pipe connected to the side wall of the hard pipe, a second valve connected to the air inlet pipe section, and a hot air supply device connected to one end of the air inlet pipe, and the air inlet pipe is located on one side of the water outlet end of the first valve.

[0007] Furthermore, the high-pressure flushing mechanism also includes a splash-proof mechanism arranged on the hard pipe, and the splash-proof mechanism is located on one side of the hot air supply device.

[0008] Furthermore, the splash-proof mechanism comprises a threaded sleeve arranged on the outer wall of the hard tube and a splash-proof cover connected to one end of the threaded sleeve, and the outer wall of the hard tube is provided with an external thread matching with the threaded sleeve.

[0009] Furthermore, the hot air supply device includes a heating cone connected to one end of the air inlet pipe, an exhaust fan arranged in the heating cone, and an electric heating wire arranged in the heating cone, and the electric heating wire is located below the exhaust fan.

[0010] Furthermore, the hot air supply device also includes a dust filter arranged on the upper side of the heating cone.

[0011] Furthermore, the outer wall of the rigid tube is provided with two symmetrically arranged handles, and the two handles are both located on one side of the first valve.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model has the following beneficial effects:

[0014] When flushing the induced draft fan, the water connection pipe is connected to the tap water pipe, and the tap water provides high-pressure flushing water. The hard pipe is manually held, the first valve is opened, the second valve is closed, and the booster pump is turned on through the controller. The tap water enters the hard pipe through the water connection pipe and the hose in turn, and is sprayed out through multiple water spray holes, so that the water outlet has high pressure, and the impeller of the induced draft fan is flushed with high pressure in all directions without dead angles, thereby solving the current problems of difficult cleaning, high labor cost, and long kiln stop time during the cleaning process of the induced draft fan;

[0015] When the high-pressure flushing is completed, the booster pump and the first valve are closed, the second valve is opened, and hot air is provided by controlling the hot air supply device. The hot air enters the hard pipe through the air inlet pipe and is blown out through multiple water spray holes to dry the residual moisture on the induced draft fan impeller, thereby further reducing the kiln stop time during the flushing of the induced draft fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the high-pressure cleaning device for induced draft fans of the utility model;

[0017] Figure 2 This is a front view schematic diagram of the induced draft fan high pressure cleaning device of the utility model;

[0018] Figure 3 This is a cross-sectional schematic diagram of the hot air supply device of the utility model;

[0019] Figure 4 It is a side view schematic diagram of the hard tube of the utility model;

[0020] Figure 5 This is a system block diagram of the utility model.

[0021] In the figure: 1. Hose; 2. Hard pipe; 3. Water spray hole; 4. Hot air control mechanism; 5. First valve; 6. Hot air supply device; 7. Air inlet pipe; 8. Second valve; 9. Heating cone; 10. Exhaust fan; 11. Electric heating wire; 12. Dust filter; 13. Splash-proof mechanism; 14. Splash-proof cover; 15. Threaded sleeve; 16. External thread; 17. Handle; 18. Water connecting pipe; 19. Booster pump. DETAILED DESCRIPTION

[0022] See also Figure 1-5 A high-pressure cleaning device for an induced draft fan comprises a high-pressure flushing mechanism, the high-pressure flushing mechanism comprises a hose 1, a water receiving pipe 18 connected to one end of the hose 1 through a flange, a booster pump 19 connected to a pipe section of the water receiving pipe 18, a hard pipe 2 connected to the other end of the hose 1 through a flange, a plurality of water spray holes 3 provided at one end of the hard pipe 2, a hot air control mechanism 4 connected to the hard pipe 2, one end of the water receiving pipe 18 is connected to a tap water pipe, and the tap water provides water for high-pressure flushing; a first valve 5 connected to the pipe section of the hard pipe 2; the hot air control mechanism 4 comprises an air inlet pipe 7 connected to a side wall of the hard pipe 2, a second valve 8 connected to a pipe section of the air inlet pipe 7, and a hot air supply device 6 connected to one end of the air inlet pipe 7, and the air inlet pipe 7 is located on one side of the water outlet end of the first valve 5; when flushing the induced draft fan, the water receiving pipe 18 is connected to the tap water pipe, and the hot air supply device 6 is connected to the hot air supply device 6. The ... , tap water is used to provide high-pressure flushing water, the hard pipe 2 is manually held, the first valve 5 is opened, the second valve 8 is closed, and the booster pump 19 is turned on through the controller. The tap water enters the hard pipe 2 through the water receiving pipe 18 and the hose 1 in turn, and is sprayed out through multiple water spray holes 3, so that the water outlet has high pressure, and the impeller of the induced draft fan is flushed with high pressure in all directions without dead ends, thereby solving the current problems of difficult cleaning, high labor cost and long kiln shutdown time during the cleaning process of the induced draft fan; when the high-pressure flushing is completed, the booster pump 19 and the first valve 5 are closed, the second valve 8 is opened, and hot air is provided by controlling the hot air supply device 6, and the hot air enters the hard pipe 2 through the air inlet pipe 7, and is blown out through multiple water spray holes 3 to dry the residual moisture on the impeller of the induced draft fan, thereby further reducing the kiln shutdown time when flushing the induced draft fan.

[0023] The high-pressure flushing mechanism also includes a splash-proof mechanism 13 arranged on the hard pipe 2, and the splash-proof mechanism 13 is located on one side of the hot air supply device 6; the splash-proof mechanism 13 includes a threaded sleeve 15 arranged on the outer wall of the hard pipe 2, and a splash-proof cover 14 connected to one end of the threaded sleeve 15, and the outer wall of the hard pipe 2 is provided with an external thread 16 that matches the thread of the threaded sleeve 15; during the high-pressure flushing of the induced draft fan by the hard pipe 2, the splash-proof cover 14 is used to prevent the flushing water from splashing onto the staff during the high-pressure flushing process; and through the arrangement of the threaded sleeve 15 and the external thread 16 on the outer wall of the hard pipe 2, it is convenient to disassemble the splash-proof cover 14 and adjust the position of the splash-proof cover 14 on the outer wall of the hard pipe 2.

[0024] The hot air supply device 6 includes a heating cone 9 connected to one end of the air inlet pipe 7, an exhaust fan 10 installed in the heating cone 9, and an electric heating wire 11 connected to the heating cone 9. The electric heating wire 11 is located below the exhaust fan 10. The controller controls the electric heating wire 11 to be powered on and the exhaust fan 10 to be turned on. The exhaust fan 10 draws external air into the heating cone 9. The drawn air is heated by the electric heating wire 11 to provide hot air for the drying of the induced draft fan.

[0025] The hot air supply device 6 also includes a dust filter 12 detachably connected to the upper side of the heating cone 9 by a plurality of screws; the dust and impurities carried in the air entering the heating cone 9 are filtered through the dust filter 12.

[0026] Two symmetrically arranged handles 17 are welded to the outer wall of the hard tube 2, and both handles 17 are located on one side of the first valve 5; the two handles 17 facilitate the staff to hold the hard tube 2, and a rubber sleeve for anti-slip is set on the outer wall of the handle 17.

[0027] Working principle: When flushing the induced draft fan, the water connection pipe 18 is connected to the tap water pipe, and the tap water provides high-pressure flushing water. The two handles 17 are manually held to open the first valve 5, close the second valve 8, and start the booster pump 19 through the controller. The tap water enters the hard pipe 2 through the water connection pipe 18 and the hose 1 in turn, and is sprayed out through multiple water spray holes 3, so that the water outlet has high pressure, and the impeller of the induced draft fan is flushed with high pressure in all directions without dead ends, thereby solving the current problems of difficult cleaning, high labor cost, and long kiln shutdown time during the cleaning process of the induced draft fan; during the high-pressure flushing of the induced draft fan by the hard pipe 2, the splash guard 14 is used to prevent the flushing water from splashing onto the staff during the high-pressure flushing process; and through the threaded sleeve 15 The setting of the external thread 16 on the outer wall of the hard tube 2 makes it easy to disassemble the splash guard 14 and adjust the position of the splash guard 14 on the outer wall of the hard tube 2; when the high-pressure flushing is completed, the booster pump 19 and the first valve 5 are turned on, the second valve 8 is opened, the electric heating wire 11 is controlled by the controller to turn on the power, and the exhaust fan 10 is controlled to turn on. The exhaust fan 10 draws external air into the heating cone 9, and filters the dust and impurities carried in the air entering the heating cone 9 through the dust filter 12. The drawn air is heated by the electric heating wire 11, and the hot air enters the hard tube 2 through the air inlet pipe 7 and is blown out through multiple water spray holes 3 to dry the residual moisture on the impeller of the induced draft fan, thereby further reducing the kiln stop time during the flushing of the induced draft fan.

[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-pressure cleaning device for an induced draft fan, comprising a high-pressure flushing mechanism, characterized in that: The high-pressure flushing mechanism comprises a hose (1), a water receiving pipe (18) connected to one end of the hose (1), a booster pump (19) connected to a pipe section of the water receiving pipe (18), a hard pipe (2) connected to the other end of the hose (1), a plurality of water spray holes (3) provided at one end of the hard pipe (2), and a hot air control mechanism (4) connected to the hard pipe (2); a first valve (5) is provided on the pipe section of the hard pipe (2); the hot air control mechanism (4) comprises an air inlet pipe (7) connected to a side wall of the hard pipe (2), a second valve (8) connected to a pipe section of the air inlet pipe (7), and a hot air supply device (6) connected to one end of the air inlet pipe (7); the air inlet pipe (7) is located on one side of a water outlet end of the first valve (5).

2. The high-pressure cleaning device for an induced draft fan according to claim 1, characterized in that: The high-pressure flushing mechanism further comprises a splash-proof mechanism (13) provided on the hard pipe (2), wherein the splash-proof mechanism (13) is located on one side of the hot air supply device (6).

3. The high-pressure cleaning device for an induced draft fan according to claim 2, characterized in that: The splash-proof mechanism (13) comprises a threaded sleeve (15) provided on the outer wall of the hard tube (2) and a splash-proof cover (14) connected to one end of the threaded sleeve (15); the outer wall of the hard tube (2) is provided with an external thread (16) that matches the thread of the threaded sleeve (15).

4. The induced draft fan high pressure cleaning device according to claim 1, characterized in that: The hot air supply device (6) comprises a heating cone (9) connected to one end of the air inlet pipe (7), an exhaust fan (10) arranged in the heating cone (9), and an electric heating wire (11) arranged in the heating cone (9), wherein the electric heating wire (11) is located below the exhaust fan (10).

5. The high-pressure cleaning device for an induced draft fan according to claim 4, characterized in that: The hot air supply device (6) further comprises a dust filter (12) arranged on the upper side of the heating cone (9).

6. The induced draft fan high pressure cleaning device according to claim 1, characterized in that: The outer wall of the hard tube (2) is provided with two symmetrically arranged handles (17), and the two handles (17) are both located on one side of the first valve (5).

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