Vertically suspended branch horizontal rotating sootblower

By designing a vertical suspension split horizontal rotary soot blower, using the combined structure of the shock wave generation system and the rotating soot blower, the existing boiler soot blower has solved the problems of high operating costs, high failure rate and low safety factor, and achieved efficient and safe single-point large-area effective soot blower.

CN113357656BActive Publication Date: 2025-04-18LIAONING HUAZI TECH CO LTD
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Patent Information

Application Number
CN202010151151.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-03-06
Publication Date
2025-04-18
Estimated Expiration
2040-03-06

AI Technical Summary

Technical Problem

The existing boiler soot blowers have problems such as high operating costs, high failure rate, low safety factor, low soot blowing efficiency and high equipment failure rate, making it difficult to achieve safe and reliable single-point large-area effective soot blowing.

Method used

A vertical suspension split horizontal rotary soot blower is designed to generate shock waves using the shock wave generation system. Through the combined structure of the rotating soot blower and the installation tube, the horizontal rotation and vertical soot blowing of the rotating soot blower are realized, which enhances the coverage area and penetration force of the soot blower.

Benefits of technology

The injection coverage area of ​​shock nozzles has increased by tens of times, and the single point large-area effective soot blowing covered by the jet position without pole is achieved. The vertical soot blowing penetration power is strong, the failure rate is low, and it is safe and reliable.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the field of boiler sootblowing, specifically a compressed air shock wave vertical rotary sootblower, comprising a shock wave generating system, a mounting pipe, a furnace chamber jacket pipe assembly and a rotary sootblowing pipe, wherein the input end of the mounting pipe is arranged outside the boiler furnace wall, and the output end of the shock wave generating system is connected to the input end of the mounting pipe through a connecting pipe, the output end of the mounting pipe is vertically arranged inside the boiler furnace wall, and the middle part of the rotary sootblowing pipe is horizontally rotatably connected to the output end of the mounting pipe through a rotating assembly, the rotary sootblowing pipe is symmetrical on both sides, and the sootblowing pipe opening at one end of the rotary sootblowing pipe is inclined in a clockwise direction, and the sootblowing pipe opening at the other end is inclined in a counterclockwise direction, and a furnace chamber jacket pipe assembly is arranged between the mounting pipe and the boiler furnace wall. The present invention can safely and reliably realize single-point large-area effective sootblowing with the spray coverage area of ​​the shock wave nozzle increased by dozens of times and the spray position infinitely covered, and the vertical sootblowing has strong penetration and low failure rate.
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Description

Technical Field

[0001] The invention relates to the field of boiler sootblowing, in particular to a vertically suspended branch-path horizontally rotating sootblower. Background Art

[0002] During the normal operation of the boiler, all heating surfaces of the boiler's water-cooled wall, superheater, economizer, and air preheater will produce ash and coke, which will affect the heat exchange efficiency. In severe cases, it may also cause unexpected shutdowns and cause significant economic losses. Therefore, most boilers are equipped with soot blowers to remove ash or slag to ensure safe operation of the boiler. Soot blowers in the prior art mainly use steam soot blowing, sonic soot blowing, gas pulse soot blowing, air energy pulse soot blowing, etc. to achieve soot blowing operations, among which:

[0003] 1. Steam soot blowing has high operating costs, high failure rates, severe corrosion of boiler tube bundles, poor soot blowing penetration, low safety factor and average soot blowing efficiency;

[0004] 2. The efficiency of sonic soot blowing is low and generally cannot complete the boiler soot blowing work;

[0005] 3. Gas pulse soot blowing has high operating costs, high failure rates and low safety factors, which brings many disadvantages to users;

[0006] 4. Air energy pulse soot blowing equipment has a high failure rate and a large maintenance workload during operation due to factors such as large temperature differences in the working environment, severe air fly ash, and vibration. Summary of the invention

[0007] The purpose of the present invention is to provide a vertically suspended branch horizontally rotating sootblower, which can safely and reliably achieve single-point large-area effective sootblowing with a shock wave nozzle spray coverage area increased by dozens of times and infinite coverage of the spray position, and has strong vertical sootblowing penetration and low failure rate.

[0008] The objective of the present invention is achieved through the following technical solutions:

[0009] A vertically suspended branch horizontally rotating sootblower comprises a shock wave generating system, a mounting pipe, a furnace chamber jacket pipe assembly and a rotating sootblowing pipe, wherein the input end of the mounting pipe is arranged outside the boiler furnace wall, and the output end of the shock wave generating system is connected to the input end of the mounting pipe through a connecting pipe, the output end of the mounting pipe is vertically arranged in the boiler furnace wall, and the middle part of the rotating sootblowing pipe is horizontally rotatably connected to the output end of the mounting pipe through a rotating assembly, the rotating sootblowing pipe is symmetrical on both sides, and the sootblowing pipe opening at one end of the rotating sootblowing pipe is inclined in a clockwise direction, and the sootblowing pipe opening at the other end is inclined in a counterclockwise direction, and a furnace chamber jacket pipe assembly is provided between the mounting pipe and the boiler furnace wall.

[0010] The rotating assembly includes a fixed sleeve, a rotating sleeve and a rotating positioning sleeve, wherein the rotating positioning sleeve and the rotating sleeve are both sleeved on the output end of the mounting tube, the rotating sleeve includes a first connecting portion and a second connecting portion, the fixed sleeve is sleeved on the outside of the rotating positioning sleeve and the first connecting portion, and the fixed sleeve and the rotating positioning sleeve are fixedly connected to the mounting tube, an inner convex portion is provided at the lower end of the fixed sleeve, and the lower end of the first connecting portion abuts against the inner convex portion, the rotating soot blowing pipe is fixedly connected to the second connecting portion of the rotating sleeve located on the outside of the fixed sleeve and is communicated with the output end of the mounting tube.

[0011] The upper end of the first connecting portion of the rotating sleeve is matched with the rotating positioning sleeve in an inclined surface, and the lower end is matched with the inner convex portion of the fixing sleeve in an inclined surface.

[0012] The furnace chamber jacket tube assembly includes a jacket tube, a refractory jacket, a first flange, a second flange, a front baffle and a rear baffle flange, wherein a refractory jacket is provided inside the jacket tube and is sleeved on the mounting tube, a second flange is fixedly provided at one end of the jacket tube located outside the boiler furnace wall, and the first flange is fixedly connected to the second flange, and a jacket sealing gasket is provided between the first flange and the second flange, the front baffle is fixedly provided on the mounting tube and arranged in a cavity between the first flange and the second flange, a rear baffle is provided at one end of the jacket tube located inside the boiler furnace wall, and the refractory jacket is provided between the front baffle and the rear baffle flange.

[0013] The mounting pipe comprises a first straight pipe, a first curved pipe, a second straight pipe, a second curved pipe, a third straight pipe, a third curved pipe and a fourth straight pipe which are connected in sequence, wherein the first straight pipe is connected to a shock wave generating system, and the furnace chamber jacket pipe assembly is mounted on the first straight pipe, the second straight pipe, the second curved pipe, the third straight pipe, the third curved pipe and the fourth straight pipe are inverted concave structures, and the rotating soot blowing pipe is mounted on a vertical fourth straight pipe, and a clamp is provided on the third straight pipe of the mounting pipe.

[0014] The rotating sootblowing pipe is symmetrical on both sides and each side includes a first connecting pipe, a first connecting elbow, a second connecting pipe, a second connecting elbow, a third connecting pipe, a third connecting elbow and a sootblowing pipe mouth which are connected in sequence, wherein the second connecting pipe, the second connecting elbow, the third connecting pipe, the third connecting elbow and the sootblowing pipe mouth are in an inverted concave structure.

[0015] The shock wave generating system includes a shock wave generator, a local control cabinet and a central control cabinet, wherein the gas input end of the shock wave generator is connected to the local control cabinet through a first high-pressure hose, the local control cabinet is connected to the gas source pipe through a second high-pressure hose, and a control valve is provided at the connecting end of the second high-pressure hose and the gas source pipe. In addition, the local control cabinet is connected to the central control cabinet through a signal line.

[0016] The shock wave generator is suspended and fixed outside the furnace wall of the boiler through a fixed bracket.

[0017] The gas output end of the shock generator is provided with a shock wave generator flange, the input end of the connecting pipe is provided with an input end flange, the shock wave generator flange and the input end flange are fixedly connected, and a connecting sealing gasket is provided between the shock wave generator flange and the input end flange.

[0018] The output end of the connecting pipe is provided with an output end flange, the input end of the mounting pipe is provided with a connecting flange, the output end flange and the connecting flange are fixedly connected, and a sealing ring is provided between the output end flange and the connecting flange.

[0019] The advantages and positive effects of the present invention are:

[0020] 1. The rotary sootblowing tube of the present invention utilizes the reaction forces in different directions generated by the shock waves on both sides to realize rotational motion, which can change the effective sootblowing orientation. There is no dead angle within the effective circular sootblowing range, and there is no electric or other auxiliary equipment to drive the rotation. Therefore, the failure rate is low, and the shock wave nozzle spray coverage area can be increased by dozens of times and the spray position can be infinitely covered. The single-point large-area effective sootblowing has strong vertical sootblowing penetration.

[0021] 2. The mounting pipe of the present invention is suspended and fixed inside the boiler by a clamp, which plays a role in rotating vertical soot blowing rebound and fixing, effectively ensuring the stability of the soot blowing end, and the furnace cavity jacket pipe assembly forms a boiler negative pressure sealing shock absorption protection structure, which also plays a role in reducing shock wave vibration and protecting the furnace wall and negative pressure sealing. These can effectively ensure the safe operation of the equipment, reduce the failure rate and extend the service life of the equipment.

[0022] 3. The overall structure of the present invention is compact, wherein the portion of the mounting tube inside the furnace wall is of an inverted concave structure, ensuring that the rotating sootblowing tube is vertically arranged and horizontally rotated, and the rotating sootblowing tube itself is symmetrical on both sides and has an inverted concave structure on each side, which can expand the balanced thrust rotation.

[0023] 4. The present invention can control the local control cabinets of multiple sootblowing units through a central control cabinet and realize automatic and manual control modes, thereby meeting the control requirements of the sootblowing units of various parts of the boiler. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention,

[0025] Figure 2 for Figure 1 A in the enlarged view,

[0026] Figure 3 for Figure 1 The enlarged view of point B in the figure,

[0027] Figure 4 for Figure 1 The enlarged view of point C in the figure,

[0028] Figure 5 for Figure 1 Schematic diagram of the installation pipe and rotating sootblowing pipe structure,

[0029] Figure 6 This is a front view of the state when the present invention is applied to an economizer.

[0030] Figure 7 This is a top view of the state when the present invention is applied to an economizer.

[0031] Figure 8 for Figure 7 The enlarged view of D in the figure,

[0032] Fig. 9 It is a top view of the state when the present invention is applied to an air preheater.

[0033] Among them, 1 is a shock generator, 101 is a fixed bracket, 102 is a shock generator flange, 2 is a local control cabinet, 3 is a central control cabinet, 4 is a connecting pipe, 401 is an input end flange, 402 is an output end flange, 5 is a furnace chamber jacket pipe assembly, 501 is a first flange, 502 is a second flange, 503 is a connecting bolt, 504 is a jacket sealing gasket, 505 is a front baffle, 506 is a refractory sleeve, 507 is a jacket pipe, 508 is a rear baffle flange, 509 is a mounting screw, 6 is a first high-pressure hose, 7 is a rotary sootblower, 701 is a first connecting pipe, 702 is a first connecting elbow, 703 is a second connecting pipe, 704 is a second connecting elbow, 705 is a third connecting pipe, 706 is The third connecting elbow, 707 is the sootblowing pipe mouth, 8 is the mounting pipe, 801 is the connecting flange, 802 is the clamp, 803 is the first straight pipe, 804 is the first elbow, 805 is the second straight pipe, 806 is the second elbow, 807 is the third straight pipe, 808 is the third elbow, 809 is the fourth straight pipe, 9 is the rotating assembly, 901 is the fixing sleeve, 9011 is the inner convex part, 902 is the rotating sleeve, 9021 is the first connecting part, 9022 is the second connecting part, 903 is the rotating positioning sleeve, 904 is the screw, 10 is the air source pipe, 11 is the control valve, 12 is the signal line, 13 is the cable tray, 14 is the second high-pressure hose, 15 is the sealing ring, 16 is the connecting sealing pad, and 17 is the connecting bolt. DETAILED DESCRIPTION

[0034] The present invention will be further described below in conjunction with the accompanying drawings.

[0035] like Figures 1 to 9As shown, the present invention includes a shock wave generating system, a mounting pipe 8, a furnace chamber jacket pipe assembly 5 and a rotating sootblowing pipe 7, wherein the input end of the mounting pipe 8 is arranged outside the boiler furnace wall, and the output end of the shock wave generating system is connected to the input end of the mounting pipe 8 through a connecting pipe 4, the output end of the mounting pipe 8 is vertically arranged inside the boiler furnace wall along the boiler height direction, and the middle part of the rotating sootblowing pipe 7 is rotatably connected to the output end of the mounting pipe 8 through a rotating assembly 9 and can rotate horizontally, and a furnace chamber jacket pipe assembly 5 is arranged between the mounting pipe 8 and the boiler furnace wall. Figure 1 and Figure 5 As shown, the rotating soot blowing pipe 7 is symmetrical on both sides, and as shown in Figure 8 As shown, the soot blowing pipe opening 707 at one end of the rotating soot blowing pipe 7 is inclined in a clockwise direction, and the soot blowing pipe opening 707 at the other end is inclined in a counterclockwise direction. In this way, when the soot blowing pipe openings 707 on both sides of the rotating soot blowing pipe 7 simultaneously spray compressed air shock waves, the rotating soot blowing pipe 7 can utilize the reaction forces in different directions generated by the shock waves on both sides to realize rotational motion.

[0036] like Figure 2 As shown, the rotating assembly 9 includes a fixed sleeve 901, a rotating sleeve 902 and a rotating positioning sleeve 903, wherein the rotating positioning sleeve 903 and the rotating sleeve 902 are sequentially sleeved on the output end of the mounting tube 8 from top to bottom, and the rotating sleeve 902 includes a first connecting portion 9021 and a second connecting portion 9022, the fixed sleeve 901 is sleeved on the rotating positioning sleeve 903 and the outer side of the first connecting portion 9021 of the rotating sleeve 902, and the fixed sleeve 901 and the rotating positioning sleeve 903 are screwed together by screws 904. It is fixedly connected to the mounting tube 8, an inner convex portion 9011 is provided at the lower end of the fixed sleeve 901, and the lower end of the first connecting portion 9021 of the rotating sleeve 902 abuts against the inner convex portion 9011 to achieve positioning, and the rotating soot blowing pipe 7 is fixedly connected to the second connecting portion 9022 of the rotating sleeve 902 located outside the fixed sleeve 901 and communicated with the output end of the mounting tube 8, and the first connecting portion 9021 of the rotating sleeve 902 can rotate freely in the fixed sleeve 901, thereby realizing the rotation of the rotating soot blowing pipe 7.

[0037] like Figure 2 As shown, the upper end of the first connecting portion 9021 of the rotating sleeve 902 is matched with the rotating positioning sleeve 903 in an inclined plane, and the lower end is matched with the inner protrusion 9011 of the fixing sleeve 901 in an inclined plane.

[0038] like Figure 3As shown, the furnace chamber jacket tube assembly 5 includes a jacket tube 507, a refractory sleeve 506, a first flange 501, a second flange 502, a front baffle 505 and a rear baffle flange 508, wherein the jacket tube 507 is provided with a refractory sleeve 506 mounted on the mounting tube 8, a second flange 502 is fixedly provided at one end of the jacket tube 507 located outside the boiler furnace wall, and the first flange 501 is fixedly connected to the second flange 502 by connecting bolts 503, and a jacket sealing gasket 504 is provided between the first flange 501 and the second flange 502 to ensure sealing, the front baffle 505 is fixedly provided on the mounting tube 8 and is provided in the cavity between the first flange 501 and the second flange 502, and a rear baffle flange 508 is provided at one end of the jacket tube 507 located inside the boiler furnace wall, and the rear baffle flange 508 is fixedly mounted on the jacket tube 507 by mounting screws 509. In this embodiment, the refractory sleeve 506 is refractory wool, and the sleeve sealing gasket 504 is an asbestos rubber sheet gasket. During assembly, the refractory wool is filled between the mounting tube 8 and the sleeve tube 507 and is limited by the rear baffle flange 508 and the front baffle 505 fixed on the mounting tube 8 to form the refractory sleeve 506. The front baffle 505, the sleeve sealing gasket 504, the first flange 501 and the sleeve tube 507 are sealed and fastened by connecting bolts 503 to form a boiler negative pressure sealing shock absorbing protection structure, so as to reduce shock wave vibration and protect the furnace wall as well as the negative pressure sealing function.

[0039] like Figure 5 As shown, the mounting pipe 8 includes a first straight pipe 803, a first curved pipe 804, a second straight pipe 805, a second curved pipe 806, a third straight pipe 807, a third curved pipe 808 and a fourth straight pipe 809 which are connected in sequence, wherein the first straight pipe 803 is connected to the shock wave generating system, and the furnace chamber jacket pipe assembly 5 is installed on the first straight pipe 803, the second straight pipe 805, the second curved pipe 806, the third straight pipe 807, the third curved pipe 808 and the fourth straight pipe 809 are inverted concave structures, and the rotating soot blowing pipe 7 is installed on the vertical fourth straight pipe 809.

[0040] like Figure 5 As shown, a clamp 802 is provided on the third straight pipe 807 of the installation pipe 8 for fixing the installation pipe 8 as a whole in the boiler to ensure stability, and plays a role in rotating vertical soot blowing rebound fixation.

[0041] like Figure 5As shown, the rotating sootblowing pipe 7 is symmetrical on both sides and each side includes a first connecting pipe 701, a first connecting elbow 702, a second connecting pipe 703, a second connecting elbow 704, a third connecting pipe 705, a third connecting elbow 706 and a sootblowing pipe mouth 707 connected in sequence, wherein the first connecting pipe 701 is fixedly connected to the second connecting portion 9022 of the rotating sleeve 902 and communicates with the end of the mounting pipe 8, and the second connecting pipe 703, the second connecting elbow 704, the third connecting pipe 705, the third connecting elbow 706 and the sootblowing pipe mouth 707 are in an inverted concave structure. The rotating sootblowing pipe 7 structure can expand the balanced thrust rotation, realize the horizontal rotation of the rotating sootblowing pipe 7 and vertical sootblowing, and safely and reliably realize that the shock wave nozzle spray coverage area is increased by dozens of times and the spray position is infinitely covered.

[0042] like Figure 1 As shown, the shock wave generating system includes a shock wave generator 1, a local control cabinet 2 and a central control cabinet 3, wherein the shock wave generator 1 is suspended and fixed outside the furnace wall of the boiler through a fixed bracket 101, and the gas input end of the shock wave generator 1 is connected to the local control cabinet 2 through a first high-pressure hose 6, and the local control cabinet 2 is connected to the gas source pipe 10 through a second high-pressure hose 14, and a control valve 11 is provided at the connecting end of the second high-pressure hose 14 and the gas source pipe 10. In this embodiment, the control valve 11 is a ball valve, and the local control cabinet 2 is connected to the central control cabinet 3 through a signal line 12, and the signal line 12 is supported and fixed by a cable tray 13, and the central control cabinet 3 is respectively connected to the local control cabinet 2 of each soot blowing unit through the signal line 12 to realize automatic and manual control modes, and the gas source pipe 10 is connected to the gas input end of the local control cabinet 2 through the second high-pressure hose 14, and the gas output end of the local control cabinet 2 is connected to the gas input end of the shock wave generator 1 through the first high-pressure hose 6, forming a gas supply line system. The shock wave generator 1, the local control cabinet 2 and the central control cabinet 3 are all well-known technologies in the art.

[0043] like Figure 1 As shown, the gas output end of the shock wave generator 1 is connected to the input end of the mounting tube 8 through a connecting tube 4, wherein Figure 4 As shown, the gas output end of the shock generator 1 is provided with a shock generator flange 102, and the input end of the connecting pipe 4 is provided with an input end flange 401. The shock generator flange 102 and the input end flange 401 are fixedly connected by connecting bolts 17, and a connecting sealing gasket 16 is provided between the shock generator flange 102 and the input end flange 401. In this embodiment, the connecting sealing gasket 16 is an asbestos rubber gasket.

[0044] like Figure 3As shown, the output end of the connecting pipe 4 is provided with an output end flange 402, the input end of the mounting pipe 8 is provided with a connecting flange 801, the output end flange 402 and the connecting flange 801 are fixedly connected by screws, and a sealing ring 15 is provided between the output end flange 402 and the connecting flange 801.

[0045] The connecting pipe 4 of the present invention and the mounting pipe 8 located outside the furnace wall can be made of carbon steel material, and the mounting pipe 8 located inside the furnace wall and the rotating sootblowing pipe 7 are made of corrosion-resistant, high-temperature-resistant and wear-resistant alloy materials to reduce pipeline failures and increase equipment service life.

[0046] The working principle of the present invention is:

[0047] like Figures 6 to 9 As shown, the present invention can be applied to all parts of the boiler that involve soot accumulation and soot blowing, such as economizers and air preheaters. When the present invention is working, the shock wave generator 1 in the shock wave generating system forms a compressed air shock wave, which enters the rotating soot blowing pipe 7 through the connecting pipe 4 and the mounting pipe 8, and is finally ejected from the soot blowing pipe ports 707 on both sides of the rotating soot blowing pipe 7 to achieve soot blowing, wherein as shown in FIG. Figure 8 As shown, the sootblowing pipe mouth 707 at the end of one side of the rotating sootblowing pipe 7 is inclined in the clockwise direction, and the sootblowing pipe mouth 707 at the end of the other side is inclined in the counterclockwise direction. In this way, when the sootblowing pipe mouths 707 on both sides of the rotating sootblowing pipe 7 simultaneously spray compressed air shock waves, the rotating sootblowing pipe 7 can utilize the reaction forces in different directions generated by the shock waves on both sides to realize rotational motion, and can change the effective sootblowing orientation. There is no dead angle within the effective circular sootblowing range, and there is no electric or other auxiliary equipment to drive the rotation. Therefore, the failure rate is low, and the shock wave nozzle spray coverage area is increased by dozens of times, and the single-point large-area effective sootblowing with infinite coverage of the spray position is safely and reliably realized, and the vertical sootblowing penetration is strong.

[0048] In addition, the mounting pipe 8 is suspended and fixed inside the boiler by a clamp 802, which plays a role in rotating vertical soot blowing rebound and fixing, effectively ensuring the stability of the soot blowing end, and the furnace chamber jacket pipe assembly 5 forms a boiler negative pressure sealing and shock absorbing protection structure, which also plays a role in reducing shock wave vibration and protecting the furnace wall and negative pressure sealing. These can effectively ensure the safe operation of the equipment, reduce the failure rate and extend the service life of the equipment.

[0049] The present invention can control the local control cabinets of multiple sootblowing units through a central control cabinet 3 and realize automatic and manual control modes, thereby meeting the control requirements of the sootblowing units of various parts of the boiler.

Claims

1. A vertically suspended branch horizontally rotating sootblower, characterized in that: The invention comprises a shock wave generating system, a mounting pipe (8), a furnace chamber jacket pipe assembly (5) and a rotating soot blowing pipe (7), wherein the input end of the mounting pipe (8) is arranged outside the furnace wall of the boiler, and the output end of the shock wave generating system is connected to the input end of the mounting pipe (8) through a connecting pipe (4), the output end of the mounting pipe (8) is vertically arranged inside the furnace wall of the boiler, and the middle part of the rotating soot blowing pipe (7) is horizontally rotatably connected to the output end of the mounting pipe (8) through a rotating assembly (9), the rotating soot blowing pipe (7) is symmetrical on both sides, and the soot blowing pipe opening (707) at the end of one side of the rotating soot blowing pipe (7) is inclined in the clockwise direction, and the soot blowing pipe opening (707) at the end of the other side is inclined in the counterclockwise direction, and a furnace chamber jacket pipe assembly (5) is arranged between the mounting pipe (8) and the furnace wall of the boiler; The rotating assembly (9) comprises a fixed sleeve (901), a rotating sleeve (902) and a rotating positioning sleeve (903), wherein the rotating positioning sleeve (903) and the rotating sleeve (902) are both sleeved on the output end of the mounting tube (8), the rotating sleeve (902) comprises a first connecting portion (9021) and a second connecting portion (9022), the fixed sleeve (901) is sleeved on the outer side of the rotating positioning sleeve (903) and the first connecting portion (9021), and the fixed sleeve (901) and the rotating positioning sleeve (903) are fixedly connected to the mounting tube (8), the lower end of the fixed sleeve (901) is provided with an inner convex portion (9011), and the lower end of the first connecting portion (9021) abuts against the inner convex portion (9011), and the rotating soot blowing pipe (7) is fixedly connected to the second connecting portion (9022) of the rotating sleeve (902) located on the outer side of the fixed sleeve (901) and communicates with the output end of the mounting tube (8); The upper end of the first connecting portion (9021) of the rotating sleeve (902) is matched with the rotating positioning sleeve (903) in an inclined plane, and the lower end is matched with the inner convex portion (9011) of the fixing sleeve (901) in an inclined plane; The furnace chamber jacket pipe assembly (5) comprises a jacket pipe (507), a refractory jacket (506), a first flange (501), a second flange (502), a front baffle (505) and a rear baffle flange (508), wherein the jacket pipe (507) is provided with a refractory jacket (506) sleeved on the mounting pipe (8), a second flange (502) is fixedly provided at one end of the jacket pipe (507) located outside the boiler furnace wall, and the first flange (501) and the second flange (502) are connected to each other. 2) are fixedly connected, and a sheath sealing gasket (504) is provided between the first flange (501) and the second flange (502), the front baffle (505) is fixedly provided on the mounting pipe (8) and is provided in the cavity between the first flange (501) and the second flange (502), a rear baffle flange (508) is provided at one end of the sheath pipe (507) located in the boiler furnace wall, and the refractory sleeve (506) is provided between the front baffle (505) and the rear baffle flange (508); The installation pipe (8) comprises a first straight pipe (803), a first curved pipe (804), a second straight pipe (805), a second curved pipe (806), a third straight pipe (807), a third curved pipe (808) and a fourth straight pipe (809) which are connected in sequence, wherein the first straight pipe (803) is connected to the shock wave generating system, and the furnace chamber jacket pipe assembly (5) is installed on the first straight pipe (803), the second straight pipe (805), the second curved pipe (806), the third straight pipe (807), the third curved pipe (808) and the fourth straight pipe (809) are in an inverted concave structure, and the rotary soot blowing pipe (7) is installed on the vertical fourth straight pipe (809), and a clamp (802) is provided on the third straight pipe (807) of the installation pipe (8); The rotating sootblowing pipe (7) is symmetrical on both sides, and each side comprises a first connecting pipe (701), a first connecting elbow (702), a second connecting pipe (703), a second connecting elbow (704), a third connecting pipe (705), a third connecting elbow (706) and a sootblowing pipe opening (707) which are connected in sequence, wherein the second connecting pipe (703), the second connecting elbow (704), the third connecting pipe (705), the third connecting elbow (706) and the sootblowing pipe opening (707) are in an inverted concave structure.

2. The vertically suspended branched horizontally rotating sootblower according to claim 1 is characterized in that: The shock wave generating system comprises a shock wave generator (1), a local control cabinet (2) and a central control cabinet (3), wherein the gas input end of the shock wave generator (1) is connected to the local control cabinet (2) via a first high-pressure hose (6), the local control cabinet (2) is connected to the gas source pipe (10) via a second high-pressure hose (14), and a control valve (11) is provided at the connecting end between the second high-pressure hose (14) and the gas source pipe (10), and the local control cabinet (2) is connected to the central control cabinet (3) via a signal line (12).

3. The vertically suspended branched horizontally rotating sootblower according to claim 2 is characterized in that: The shock wave generator (1) is suspended and fixed outside the furnace wall of the boiler via a fixing bracket (101).

4. The vertically suspended branched horizontally rotating sootblower according to claim 2 is characterized in that: The gas output end of the shock generator (1) is provided with a shock generator flange (102), the input end of the connecting pipe (4) is provided with an input end flange (401), the shock generator flange (102) and the input end flange (401) are fixedly connected, and a connecting sealing gasket (16) is provided between the shock generator flange (102) and the input end flange (401).

5. The vertically suspended branched horizontally rotating sootblower according to claim 1 is characterized in that: The output end of the connecting pipe (4) is provided with an output end flange (402), the input end of the mounting pipe (8) is provided with a connecting flange (801), the output end flange (402) and the connecting flange (801) are fixedly connected, and a sealing ring (15) is provided between the output end flange (402) and the connecting flange (801).

Citation Information

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