A boiler furnace sootblower

Abstract

The application discloses a boiler furnace soot blowing device in the technical field of soot blowing equipment, which comprises a boiler body, the upper surface of the boiler body is rotationally provided with an upper movable cover, the upper surface of the upper movable cover is symmetrically provided with threaded parts, the threaded parts are rotationally provided on the upper movable cover and are all threadedly connected with outer movable pipes, the upper ends of the outer movable pipes are fixedly provided with upper connecting plates, the two ends of the upper connecting plates are all fixedly provided with limiting rods, the limiting rods are slidably connected with the upper movable cover and extend into the boiler body at lower ends, the outer movable pipes are fixedly provided with blowing pipes, one side of the blowing pipe is provided with a material guide pipe, the lower end of the material guide pipe is led out below the outer movable pipe and is fixedly provided with a connecting elbow, the lower end of the connecting elbow is fixedly provided with a suction nozzle, the soot blowing and cleaning angle can be automatically adjusted, dust can be automatically collected, cleaning troubles are reduced, dust cleaning is more comprehensive, cleaning efficiency is improved, and thermal deviation of a heating surface is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of soot blowing equipment, in particular to a boiler furnace soot blowing device. BACKGROUND

[0002] When a boiler burns solid fuel or liquid fuel containing ash, a large amount of fly ash is formed due to the presence of ash particles and oxidized sulfur in the combustion products. The fly ash deposits on the boiler heating surface, causing contamination of the heating surface, forming ash deposits, increasing the heat transfer resistance, and producing high-temperature flue gas. As a result, the normal operation of the boiler is affected, and the power generation efficiency is reduced.

[0003] The boiler needs to be cleaned regularly to avoid excessive ash accumulation, causing shutdown accidents, to avoid the increase in heat transfer resistance caused by dust accumulation, which reduces the efficiency of the boiler, and to avoid frequent shutdown for maintenance, which reduces power generation and increases maintenance costs. Artificial ash cleaning is difficult and labor-intensive. The dust accumulated at the bottom after regular cleaning is difficult to clean, and the cleaned dust is difficult to collect.

[0004] Therefore, the present application provides a boiler furnace soot blowing device to solve the above problems. SUMMARY

[0005] The present application aims to provide a boiler furnace soot blowing device that can reduce the rate of ash accumulation, automatically adjust the soot blowing cleaning angle, automatically collect dust, reduce cleaning difficulties, make dust cleaning more comprehensive, improve cleaning efficiency, and reduce heat deviation of the heating surface.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0007] A boiler furnace soot blowing device, comprising a boiler body, an upper movable cover is rotatably installed on the upper surface of the boiler body, a threaded member is symmetrically installed on the upper surface of the upper movable cover, the threaded member is rotatably installed on the upper movable cover and is threadedly connected with an outer movable pipe, an upper connecting plate is fixedly installed on the upper end of the outer movable pipe, a limiting rod is fixedly installed at both ends of the upper connecting plate, the limiting rod is slidably connected with the upper movable cover and extends into the boiler body at the lower end, a blowing pipe is fixedly installed in the outer movable pipe, a material guide pipe is provided on one side of the blowing pipe, the lower end of the material guide pipe extends out below the outer movable pipe and is fixedly installed with a connecting elbow, a suction nozzle is fixedly installed at the lower end of the connecting elbow, and a movable soot blowing device is provided at the lower end of the blowing pipe.

[0008] Preferably, the movable soot blowing device comprises a lower connecting seat fixedly installed at the lower end of the blowing pipe, side connecting pipes rotatably installed at the two ends of the lower connecting seat, a soot blowing nozzle fixedly installed between the side connecting pipes, a through groove arranged between the soot blowing nozzle and the side connecting pipes, and a transmission assembly arranged on each of the side connecting pipes and capable of allowing a user to adjust the angle of the soot blowing nozzle from the upper end of the outer movable pipe.

[0009] Preferably, the transmission assembly comprises a lower installation shaft rotatably installed at the lower end of the blowing pipe, upper gears fixedly installed at the two ends of the lower installation shaft, lower gears fixedly installed on the side connecting pipes, and upper transmission gears fixedly installed at the two ends of an upper installation shaft rotatably installed at the upper end of the blowing pipe.

[0010] Preferably, the upper installation shaft rotatably installed at the upper end of the blowing pipe, upper transmission gears fixedly installed at the two ends of the upper installation shaft, and a transmission chain sleeved with the upper transmission gears and the lower transmission gears.

[0011] Preferably, a blowing device is fixedly installed at one side of the upper end of the outer movable pipe and fixedly connected with the upper end of the blowing pipe, an air extraction device is fixedly installed at the end of the outer movable pipe away from the blowing device and fixedly connected with the upper end of the material guide pipe, and illuminating lamps are fixedly installed at the lower ends of the limiting rods.

[0012] Preferably, an outer gear ring is fixedly installed on the upper movable cover, a side installation rack is fixedly installed on one side of the boiler body, and an outer drive gear is rotatably installed at the upper end of the side installation rack and engaged with the outer gear ring.

[0013] Preferably, an inner gear ring is rotatably installed on the upper surface of the upper movable cover, an inner drive gear is rotatably installed on the upper surface of the upper movable cover and engaged with the inner gear ring, and driven gears are fixedly installed at the upper ends of the threaded members and engaged with the inner gear ring.

[0014] Preferably, a display terminal is arranged outside the boiler body, a micro motor is arranged on the upper surface of the upper connecting plate, and the output end of the micro motor is fixedly connected with the upper installation shaft.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1. The present application is through the cooperation between the outer cover and the outer tube, the screw rotation and the outer tube surface thread interaction, so as to drive the outer tube down, the outer tube down drive the blowing pipe and the material pipe in the outer tube down, when the outer tube moves to the specified height which needs to be cleaned, through the blowing device and the blowing nozzle to blow the inner wall, the outer drive gear rotation drives the outer gear ring rotation, the outer gear rotation drives the upper cover rotation, the upper cover rotation drives the outer tube rotation, the outer tube rotation drives the blowing nozzle rotation along the inner wall of the boiler body, through the up and down movement of the outer tube and the rotation of the upper cover, the blowing nozzle can cover every place of the inner wall of the boiler body, so that the cleaning range of the blowing nozzle is more comprehensive.

[0017] 2. In the present application, the angle between the blowing nozzle and the inner wall of the boiler body can be adjusted by the micro motor during the blowing process, so that the blowing nozzle can blow the stubborn dust on the inner wall, and at the same time, the suction nozzle connected to the lower end of the elbow pipe is always between the blowing nozzle and the inner wall during the dust process, the suction nozzle automatically sucks the dust during the blowing process, so that the dust is absorbed into the material pipe and then guided out of the boiler body along the upper end of the material pipe, the dust is automatically collected, avoiding the trouble of manually moving the dust out of the boiler body. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is the front perspective view structure diagram of the present application;

[0020] Figure 2 It is the structure partial view of the present application Figure 1 at A;

[0021] Figure 3 It is the structure section view of the present application Figure 1 ;

[0022] Figure 4 It is the structure partial view of the present application Figure 3 at B;

[0023] Figure 5 It is the structure section view of the present application Figure 2 ;

[0024] Figure 6 It is the structure partial view of the present application Figure 5 at C.

[0025] The components represented by the numbers in the drawings are listed as follows:

[0026] 1, boiler body; 2, upper movable cover; 3, inner gear ring; 4, outer gear ring; 5, inner drive gear; 6, side mounting frame; 7, outer drive gear; 8, driven gear; 9, limiting rod; 10, upper connecting plate; 11, outer movable pipe; 12, air extraction device; 13, air blowing device; 14, air blowing pipe; 15, material guide pipe; 16, threaded part; 17, upper mounting shaft; 18, transmission chain; 19, upper transmission gear; 20, illuminating lamp; 21, picture acquisition device; 22, connecting elbow; 23, suction nozzle; 24, upper gear; 25, lower gear; 26, lower connecting seat; 27, side connecting pipe; 28, soot blowing nozzle; 29, lower transmission gear; 30, lower mounting shaft; 31, through slot. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-6 The present application provides a technical solution:

[0029] A boiler furnace soot blowing device, including boiler body 1, the upper surface of the boiler body 1 is rotatably installed with upper movable cover 2, the upper surface of the upper movable cover 2 is symmetrically installed with threaded part 16, the threaded part 16 is rotatably installed on the upper movable cover 2 and is threadedly connected with outer movable pipe 11, the upper end of the outer movable pipe 11 is fixedly installed with upper connecting plate 10, the both ends of the upper connecting plate 10 are fixedly installed with limiting rod 9, the limiting rod 9 is slidably connected with the upper movable cover 2 and the lower end extends into the boiler body 1, the outer movable pipe 11 is fixedly installed with air blowing pipe 14, one side of the air blowing pipe 14 is provided with material guide pipe 15, the lower end of the material guide pipe 15 extends out below the outer movable pipe 11 and is fixedly installed with connecting elbow 22, the lower end of the connecting elbow 22 is fixedly installed with suction nozzle 23, the lower end of the air blowing pipe 14 extends below the outer movable pipe 11 and is provided with movable soot blowing device.

[0030] Among them, the movable soot blowing device includes lower connecting seat 26, the lower connecting seat 26 is fixedly installed at the lower end of the air blowing pipe 14, the both ends of the lower connecting seat 26 are rotatably installed with side connecting pipe 27, the side connecting pipe 27 is fixedly installed with soot blowing nozzle 28 between them, the soot blowing nozzle 28 is provided with through slot 31 between the side connecting pipe 27, the side connecting pipe 27 is provided with transmission assembly, the transmission assembly can make the user adjust the angle of the soot blowing nozzle 28 from the upper end of the outer movable pipe 11.

[0031] The transmission assembly comprises a lower mounting shaft 30 and an upper mounting shaft 17, the lower mounting shaft 30 is rotatably mounted at the lower end of the blowing pipe 14, the two ends of the lower mounting shaft 30 are fixedly provided with upper gears 24, the side connecting pipe 27 is fixedly provided with lower gears 25, the upper gears 24 are engaged with the lower gears 25, and the two ends of the lower mounting shaft 30 are fixedly provided with lower transmission gears 29.

[0032] The upper mounting shaft 17 is rotatably mounted at the upper end of the blowing pipe 14, the two ends of the upper mounting shaft 17 are fixedly provided with upper transmission gears 19, the upper transmission gears 19 are sleeved with the lower transmission gears 29 through a transmission chain 18, and the lower end of the outer movable pipe 11 is fixedly provided with a picture acquisition device 21 on the outer surface of one side close to the suction nozzle 23.

[0033] The upper end of the outer movable pipe 11 is fixedly provided with a blowing device 13 on one side, the blowing device 13 is fixedly connected with the upper end of the blowing pipe 14, the end of the outer movable pipe 11 away from the blowing device 13 is fixedly provided with an air extraction device 12, the air extraction device 12 is fixedly connected with the upper end of the material guide pipe 15, and the lower ends of the limiting rods 9 are fixedly provided with illuminating lamps 20.

[0034] The upper movable cover 2 is fixedly provided with an outer gear ring 4, one side of the boiler body 1 is fixedly provided with a side mounting frame 6, the upper end of the side mounting frame 6 is rotatably provided with an outer drive gear 7, and the outer drive gear 7 is engaged with the outer gear ring 4.

[0035] The upper surface of the upper movable cover 2 is rotatably provided with an inner gear ring 3, the upper surface of the upper movable cover 2 is rotatably provided with an inner drive gear 5, the inner drive gear 5 is engaged with the inner gear ring 3, the upper ends of the threaded parts 16 are fixedly provided with driven gears 8, and the driven gears 8 are engaged with the inner gear ring 3.

[0036] The boiler body 1 is externally provided with a display terminal, the upper surface of the upper connecting plate 10 is provided with a micro motor, and the output end of the micro motor is fixedly connected with the upper mounting shaft 17.

[0037] When the inner wall of the boiler body 1 needs to be cleaned in the present application, the inner drive gear 5 is driven to rotate by the motor, the inner drive gear 5 drives the inner gear ring 3 to rotate, the inner gear drives the driven gear 8 engaged therewith to rotate, the driven gear 8 drives the threaded part 16 to rotate, the threaded part 16 rotates and interacts with the threads on the surface of the outer movable pipe 11, thereby driving the outer movable pipe 11 to move downward, the outer movable pipe 11 drives the blowing pipe 14 and the material guide pipe 15 inside the outer movable pipe 11 to move downward, and the picture acquisition device 21 scans the ash deposition condition of the inner wall of the boiler body 1 under the auxiliary action of the illuminating lamp 20 during the moving-down process, and transmits the picture information to the remote terminal, so that the user can observe the ash deposition condition and cleaning degree at different heights of the inner wall, and when the outer movable pipe 11 moves to the specified height to be cleaned, the blowing device 13 and the blowing nozzle 28 clean the inner wall, and during the cleaning process, the outer drive gear 7 drives the outer gear ring 4 engaged therewith to rotate, the outer gear rotates and drives the upper movable cover 2 to rotate, the upper movable cover 2 drives the outer movable pipe 11 to rotate, and the outer movable pipe 11 drives the blowing nozzle 28 to rotate along the inner wall of the boiler body 1, so that the blowing nozzle 28 can cover every place of the inner wall of the boiler body 1, and the cleaning range of the blowing nozzle 28 is more comprehensive.

[0038] During the blowing process of the blowing nozzle 28 in the present application, the miniature motor can adjust the angle between the blowing nozzle 28 and the inner wall of the boiler body 1, so that the blowing nozzle 28 can blow the stubborn dust on the inner wall, the upper mounting shaft 17 is driven to rotate by the miniature motor, the upper mounting shaft 17 drives the upper transmission gear 19 to rotate, the upper transmission gear 19 drives the lower transmission gear 29 to rotate through the transmission chain 18, the lower transmission gear 29 drives the lower mounting shaft 30 to rotate, the lower mounting shaft 30 drives the upper gear 24 to rotate, the upper gear 24 drives the lower gear 25 engaged therewith to rotate, the lower gear 25 drives the side connecting pipe 27 to rotate in the lower connecting seat 26, thereby adjusting the angle of the blowing nozzle 28, and at the same time during the dust blowing process, the suction nozzle 23 at the lower end of the connecting elbow 22 is always between the blowing nozzle 28 and the inner wall, the suction nozzle 23 automatically sucks the dust during the blowing process, so that the dust is sucked into the material guide pipe 15 and guided out of the boiler body 1 through the upper end of the material guide pipe 15, the dust is automatically collected, and the trouble of manually moving the dust out of the boiler body 1 is avoided.

Claims

1. A furnace sootblowing device comprising a boiler body (1), characterized in that: The upper surface of the boiler body (1) is rotatably provided with an upper movable cover (2), the upper surface of the upper movable cover (2) is symmetrically provided with a threaded part (16), the threaded part (16) is rotatably provided on the upper movable cover (2) and is threadedly connected with an outer movable pipe (11), the upper end of the outer movable pipe (11) is fixedly provided with an upper connecting plate (10), the both ends of the upper connecting plate (10) are fixedly provided with a limiting rod (9), the limiting rod (9) is slidably connected with the upper movable cover (2) and the lower end extends into the boiler body (1), the outer movable pipe (11) is fixedly provided with a blowing pipe (14) and a material guiding pipe (15), one side of the blowing pipe (14) is provided with the material guiding pipe (15), the lower end of the material guiding pipe (15) extends out of the lower side of the outer movable pipe (11) and is fixedly provided with a connecting elbow (22), the lower end of the connecting elbow (22) is fixedly provided with a suction nozzle (23), the lower end of the blowing pipe (14) extends out of the lower side of the outer movable pipe (11) and is provided with a movable soot blowing device.

2. A furnace sootblowing device according to claim 1, characterised in that: The movable soot blowing device comprises a lower connecting seat (26), the lower connecting seat (26) is fixedly provided on the lower end of the blowing pipe (14), the both ends of the lower connecting seat (26) are rotatably provided with a side connecting pipe (27), the side connecting pipes (27) are fixedly provided with a soot blowing nozzle (28) between them, the soot blowing nozzle (28) is provided with a through slot (31) between the side connecting pipes (27), the side connecting pipes (27) are all provided with a transmission assembly, the transmission assembly can enable the user to adjust the angle of the soot blowing nozzle (28) from the upper end of the outer movable pipe (11).

3. A furnace sootblowing device according to claim 2, characterised in that: The transmission assembly comprises a lower mounting shaft (30) and an upper mounting shaft (17), the lower mounting shaft (30) is rotatably provided on the lower end of the blowing pipe (14), the both ends of the lower mounting shaft (30) are fixedly provided with an upper gear (24), the side connecting pipes (27) are all fixedly provided with a lower gear (25), the upper gears (24) are engaged with the lower gears (25), the both ends of the lower mounting shaft (30) are fixedly provided with a lower transmission gear (29).

4. A furnace sootblowing device according to claim 3, characterised in that: The upper mounting shaft (17) is rotatably provided on the upper end of the blowing pipe (14), the both ends of the upper mounting shaft (17) are fixedly provided with an upper transmission gear (19), the upper transmission gears (19) are externally sleeved with a transmission chain (18) with the lower transmission gears (29), the lower end of the outer movable pipe (11) is fixedly provided with a picture acquisition device (21) on the side close to the suction nozzle (23).

5. A furnace sootblowing device according to claim 4, characterised in that: The upper end of the outer movable pipe (11) is fixedly provided with a blowing device (13) on one side, the blowing device (13) is fixedly connected with the upper end of the blowing pipe (14), the end of the outer movable pipe (11) away from the blowing device (13) is fixedly provided with an air suction device (12), the air suction device (12) is fixedly connected with the upper end of the material guiding pipe (15), the lower end of the limiting rod (9) is fixedly provided with an illuminating lamp (20).

6. A furnace sootblowing device according to claim 5, characterised in that: The upper movable cover (2) is fixedly installed with an outer gear ring (4), one side of the boiler body (1) is fixedly installed with a side mounting frame (6), the upper end of the side mounting frame (6) is rotatably installed with an outer drive gear (7), and the outer drive gear (7) is engaged with the outer gear ring (4).

7. A furnace sootblowing device according to claim 6, characterised in that: The upper surface of the upper movable cover (2) is rotatably installed with an inner gear ring (3), the upper surface of the upper movable cover (2) is rotatably installed with an inner drive gear (5), the inner drive gear (5) is engaged with the inner gear ring (3), the upper end of the threaded part (16) is fixedly installed with a driven gear (8), and the driven gear (8) is engaged with the inner gear ring (3).

8. A furnace sootblowing device according to claim 7, characterised in that: The boiler body (1) is externally provided with a display terminal, the upper surface of the upper connecting plate (10) is provided with a micro motor, and the output end of the micro motor is fixedly connected with the upper mounting shaft (17).

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