Anti-blowing-loss fan-shaped rectifying nozzle applied to steam soot blower

Abstract

The anti-blowing-loss fan-shaped rectifying nozzle applied to the steam soot blower comprises a main body shell and an outer pipe, the bottom of the outer pipe is fixedly connected with a rack, and the right side of the front face of the main body shell is fixedly connected with a retarding forward and reverse motor. And the output end of the retarding forward and reverse motor penetrates into the main body shell and is fixedly connected with a gear. The guide rod mechanism is arranged to reinforce the right end of the outer pipe, and meanwhile, the left end of the outer pipe is in sliding connection with the inner wall of the main body shell, so that the two ends of the outer pipe can be kept horizontal all the time when the outer pipe moves, the arc-shaped cleaning pipe and the steam nozzle are driven to move stably, shaking is avoided, and the cleaning efficiency is improved. Therefore, the effects of effectively preventing the influence on the steam pipeline during rotation of the rotor, avoiding shaking of the steam pipeline during cleaning, keeping the nozzle stable, avoiding collision between the nozzle and the rotor, improving the stability of the steam pipeline and keeping normal operation of the rotor are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotary heat exchanger technical field, concretely to a kind of fan-shaped rectifying nozzle of anti-blowing loss applied to steam sootblower. BACKGROUND

[0002] Air preheater is the flue gas in the tail of boiler passes through the internal fin and enters the air preheater to a certain temperature of heat absorbing surface, is a kind of for improving the heat exchange performance of boiler, reduce the equipment of energy consumption.Air preheater is generally divided into plate type, rotary type and tube type three kinds.Currently the online cleaning mode of air preheater mainly has: acoustic sootblower, gas pulse sootblower, air preheater air volume cutting anti-blocking, high-pressure water online flushing device, steam sootblower, wherein steam sootblower utilizes superheated steam to clean by half telescopic single straight pipe interval arrangement lafayette nozzle.

[0003] Traditional sootblower, whether single medium, double medium (steam and high / low pressure water), half telescopic, full telescopic, hot end, cold end, are: single straight gun pipe 4-6 lafayette conical solid nozzle step telescoping, under the rotation of regenerative element linear velocity 1 meter / second, the impact time of flushing position is only 0.2 seconds, which cannot meet the duration of removing ash dirt.Regenerative element is transferred from flue gas bin to secondary air bin, primary air bin, and is cooled by low-temperature air.Even if the cleaning time is increased, the effect is not good, and the steam pipeline is easily affected by the wind generated by the rotation of the air preheater rotor during use, which causes the nozzle to contact the rotor, causing the pipeline and the rotor to be damaged, resulting in loose gas leakage of the pipeline and affecting the operation of the rotor, which brings inconvenience to the user.

[0004] Therefore, it needs to be reformed, effectively prevent the influence of the rotation of the rotor on the steam pipeline, avoid the steam pipeline from shaking during cleaning, keep the nozzle stable, avoid the nozzle from colliding with the rotor, improve the stability of the steam pipeline, and keep the rotor normal operation. UTILITY MODEL CONTENTS

[0005] To solve the problems in the above background art, the utility model aims to provide a fan-shaped rectifying nozzle of anti-blowing loss applied to steam sootblower, which effectively prevents the influence of the rotation of the rotor on the steam pipeline, avoids the steam pipeline from shaking during cleaning, keeps the nozzle stable, avoids the nozzle from colliding with the rotor, improves the stability of the steam pipeline, and keeps the rotor normal operation, solves the problem that the steam pipeline is easily affected by the wind generated by the rotation of the air preheater rotor during use, which causes the nozzle to contact the rotor, causes the pipeline and the rotor to be damaged, results in loose gas leakage of the pipeline and affects the operation of the rotor, and brings inconvenience to the user.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A kind of blow loss prevention fan-shaped rectifier nozzle applied to steam soot blower, including main body shell and outer tube, the bottom of the outer tube is fixedly connected with rack, the right side of the front of main body shell is fixedly connected with brake forward-reverse motor, the output of brake forward-reverse motor is penetrated to the inside of main body shell and is fixedly connected with gear, the surface of gear is engaged with the surface of rack, the front and back of left side of outer tube surface are all slidably connected with the inner wall of main body shell, the bottom of the front and back of main body shell is all fixedly connected with installation strip, the left side of the front of main body shell is fixedly connected with controller, controller is electrically connected with brake forward-reverse motor, the inside of outer tube is slidably connected with inner tube, the right end of outer tube is connected with arc cleaning pipe, the bottom of arc cleaning pipe is connected with several number evenly distributed steam nozzle, the top of the front and back of main body shell is all fixedly connected with guide rod mechanism, the front and back of right side of outer tube surface are all fixedly connected with stabilizing plate, the left side of stabilizing plate is fixedly connected with the right end of guide rod mechanism.

[0007] As preferred by the utility model, the guide rod mechanism includes a fixed plate fixedly connected to the right side of the surface of the main body shell, a circular hole is formed through the left and right surfaces of the fixed plate, and a stabilizing rod is slidably connected inside the circular hole. The left end of the stabilizing rod is fixedly connected to a limiting block, and the right end of the stabilizing rod is fixedly connected to the left side of the stabilizing plate.

[0008] As preferred by the utility model, the left side of the inner wall of the outer tube is fixedly connected to a first sealing slip ring, the inner surface of the first sealing slip ring is slidably connected to the surface of the inner tube, the right side of the surface of the inner tube is fixedly connected to a second sealing slip ring, and the surface of the second sealing slip ring is slidably connected to the inner wall of the outer tube.

[0009] As preferred by the utility model, the bottom of the arc cleaning pipe is fixedly connected to a rubber skirt outside the steam nozzle, the height of the rubber skirt is greater than the height of the steam nozzle, the lower side of the right side of the main body shell is fixedly connected to a sealing plate, the top of the sealing plate is in the same plane as the bottom of the rubber skirt, and the surface of the sealing plate is provided with an anti-sticking coating.

[0010] As preferred by the utility model, the front and back of the left side of the surface of the outer tube are both fixedly connected to T-shaped sliding blocks, the front and back of the inner wall of the main body shell are both fixedly connected to guide strips, T-shaped grooves are formed in the surface of the guide strips, and the surface of the T-shaped sliding blocks is slidably connected to the inner wall of the T-shaped grooves.

[0011] As preferred by the utility model, the left side of the surface of the inner tube is connected to a pressure sensing table, the top of the arc cleaning pipe is connected to a pressure relief valve, and the pressure sensing table and the pressure relief valve are both electrically connected to the controller.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、 the utility model discloses a fixing the main body shell on the surface of the rotor through the installation strip, then connecting the inner tube with the steam delivery pipeline, so that steam can enter the inside of the outer tube through the inner tube, the steam enters the inside of the arc cleaning pipe through the outer tube, then is sprayed by the steam nozzle, the controller controls the slow speed positive and negative motor to start, drives the gear rotation, moves the rack left and right through the gear rotation, drives the outer tube to slide left and right, the arc cleaning pipe is moved left and right on the surface of the rotor through the movement of the outer tube, thereby driving the steam nozzle to move left and right and clean the rotor, the right end of the outer tube is reinforced through the setting guiding rod mechanism, and the left end of the outer tube is slidably connected with the inner wall of the main body shell, so that the both ends of the outer tube can always keep horizontal when moving, thereby driving the arc cleaning pipe and the steam nozzle to move stably, avoiding shaking, so that the effect that the steam pipeline is prevented from being influenced when the rotor rotates, the steam pipeline is prevented from shaking when cleaning, the nozzle is kept stable, the nozzle is prevented from colliding with the rotor, the steam pipeline stability is improved, and the rotor normal operation is kept.

[0014] 2、 the utility model discloses the cooperation of the fixed plate, the stabilizer and the limit block is used, when the outer tube moves, the stabilizer is moved, and the stabilizer is slid in the inside of the fixed plate, and the fixed plate plays the location support effect to the stabilizer, so that it keeps horizontal movement, and the limit block plays the location effect to the stabilizer, avoids the stabilizer from falling off from the inside of the fixed plate when moving, and influences use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the utility model;

[0016] Figure 2 It is the front view structure schematic diagram of the utility model;

[0017] Figure 3 It is the structure schematic diagram of the utility model;

[0018] Figure 4 It is the left view structure schematic diagram of the utility model.

[0019] In the figure: 1. Main body shell; 2. Outer tube; 3. Rack; 4. Slow forward and reverse motor; 5. Gear; 6. Mounting bar; 7. Controller; 8. Inner tube; 9. Arc-shaped cleaning tube; 10. Steam nozzle; 11. Guide rod mechanism; 12. Stabilizing plate; 13. Fixing plate; 14. Stabilizing rod; 15. Limit block; 16. First sealing slip ring; 17. Second sealing slip ring; 18. Rubber skirt; 19. Sealing plate; 20. T-shaped slider; 21. Guide bar; 22. T-shaped slot; 23. Pressure sensor; 24. Pressure relief valve. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] like Figures 1 to 4 As shown, the utility model provides an anti-blow damage fan-shaped rectifying nozzle for steam soot blower, including a main body shell 1 and an outer tube 2, the bottom of the outer tube 2 is fixedly connected to a rack 3, the right side of the front of the main body shell 1 is fixedly connected to a slow forward and reverse motor 4, the output end of the slow forward and reverse motor 4 passes through the interior of the main body shell 1 and is fixedly connected to a gear 5, the surface of the gear 5 is meshed with the surface of the rack 3, the front and rear sides of the left surface of the outer tube 2 are both slidably connected to the inner wall of the main body shell 1, and the bottoms of the front and rear sides of the main body shell 1 are fixedly connected to the mounting holes. The mounting strip 6 and the left side of the front of the main body shell 1 are fixedly connected with a controller 7, the controller 7 is electrically connected to the slow forward and reverse motor 4, the inner sliding connection of the outer tube 2 is connected with the inner tube 8, the right end of the outer tube 2 is connected with an arc-shaped cleaning tube 9, and the bottom of the arc-shaped cleaning tube 9 is connected with a number of evenly distributed steam nozzles 10. The upper part of the front and rear sides of the main body shell 1 is fixedly connected with a guide rod mechanism 11, and the front and rear sides of the right side of the surface of the outer tube 2 are fixedly connected with a stabilizing plate 12, and the left side of the stabilizing plate 12 is fixedly connected to the right end of the guide rod mechanism 11.

[0022] refer to Figure 1 The guide rod mechanism 11 includes a fixing plate 13 fixedly connected to the front and rear sides of the right side of the surface of the main shell 1. A circular hole is opened on the surface of the fixing plate 13 and passes through the left and right sides. A stabilizing rod 14 is slidably connected to the inside of the circular hole. The left end of the stabilizing rod 14 is fixedly connected to the limiting block 15, and the right end of the stabilizing rod 14 is fixedly connected to the left side of the stabilizing plate 12.

[0023] As a technical optimization scheme of the utility model, through the cooperation of the fixed plate 13, the stabilizing rod 14 and the limiting block 15, the stabilizing plate 12 is moved when the outer pipe 2 moves, the stabilizing rod 14 slides in the fixed plate 13, the fixed plate 13 limits and supports the stabilizing rod 14, so that the stabilizing rod 14 moves horizontally, and the limiting block 15 limits the stabilizing rod 14, so that the stabilizing rod 14 does not fall off from the fixed plate 13 during movement, and use is affected.

[0024] Reference Figure 2 The left side of the inner wall of the outer pipe 2 is fixedly connected with a first sealing sliding ring 16, the inner surface of the first sealing sliding ring 16 is slidably connected with the surface of the inner pipe 8, the right side of the surface of the inner pipe 8 is fixedly connected with a second sealing sliding ring 17, and the surface of the second sealing sliding ring 17 is slidably connected with the inner wall of the outer pipe 2.

[0025] As a technical optimization scheme of the utility model, the cooperation of the first sealing sliding ring 16 and the second sealing sliding ring 17 can seal the connection between the inner pipe 8 and the outer pipe 2, and can make the outer pipe 2 slide on the surface of the inner pipe 8 more smoothly, so that the outer pipe 2 is not stuck and the connection leaks, and normal use is affected, and the stability of the steam pipeline is further improved.

[0026] Reference Figure 1 The bottom of the arc-shaped cleaning pipe 9 is fixedly connected with a rubber skirt 18 located outside the steam nozzle 10, the height of the rubber skirt 18 is greater than the height of the steam nozzle 10, the lower right side of the main body shell 1 is fixedly connected with a sealing plate 19, the top of the sealing plate 19 is in the same plane as the bottom of the rubber skirt 18, and the surface of the sealing plate 19 is provided with an anti-sticking coating.

[0027] As a technical optimization scheme of the utility model, the cooperation of the rubber skirt 18 and the sealing plate 19 can protect the steam nozzle 10 when the outer pipe 2 moves left to reset after cleaning, drives the arc-shaped cleaning pipe 9 and the steam nozzle 10 to move left, and the bottom of the rubber skirt 18 is attached to the top of the sealing plate 19, so that the steam nozzle 10 is protected, and smoke dust and dirt are not attached to the surface of the steam nozzle 10 when the device is not used, so that the steam nozzle 10 is blocked and use is affected.

[0028] Reference Figure 4 The front and back of the left side of the surface of the outer pipe 2 are fixedly connected with T-shaped sliding blocks 20, the front and back of the inner wall of the main body shell 1 are fixedly connected with guide strips 21, the surface of the guide strip 21 is provided with a T-shaped groove 22, and the surface of the T-shaped sliding block 20 is slidably connected with the inner wall of the T-shaped groove 22.

[0029] As a technical optimization scheme of the utility model, through the cooperation of the T-shaped slider 20, the guide strip 21 and the T-shaped groove 22, when the outer pipe 2 moves, the T-shaped slider 20 slides in the T-shaped groove 22, so that the left end of the outer pipe 2 can only move along the track of the guide strip 21, avoiding the swing of the left end of the outer pipe 2 during movement, and affecting normal use.

[0030] Reference Figure 1 The left side of the surface of the inner pipe 8 is communicated with a pressure sensing table 23, and the top of the arc-shaped cleaning pipe 9 is communicated with a pressure relief valve 24, and the pressure sensing table 23 and the pressure relief valve 24 are electrically connected with the controller 7.

[0031] As a technical optimization scheme of the utility model, through the cooperation of the T-shaped slider 20, the guide strip 21 and the T-shaped groove 22, when the outer pipe 2 moves, the T-shaped slider 20 slides in the T-shaped groove 22, so that the left end of the outer pipe 2 can only move along the track of the guide strip 21, avoiding the swing of the left end of the outer pipe 2 during movement, and affecting normal use.

[0032] The working principle and use process of the utility model: through the installation strip 6, the main body shell 1 is fixed on the surface of the rotor, then the inner pipe 8 is connected with the steam conveying pipeline, so that the steam can enter the inner pipe 8, the steam enters the arc-shaped cleaning pipe 9 through the outer pipe 2, and then is sprayed by the steam nozzle 10, the controller 7 controls the starting of the speed regulating motor 4, drives the gear 5 to rotate, moves the rack 3 left and right through the rotation of the gear 5, drives the outer pipe 2 to slide left and right, drives the arc-shaped cleaning pipe 9 to move left and right on the surface of the rotor through the movement of the outer pipe 2, so as to drive the steam nozzle 10 to move left and right and clean the rotor, the right end of the outer pipe 2 is reinforced by setting the guide rod mechanism 11, and the left end of the outer pipe 2 is slidably connected with the inner wall of the main body shell 1, so that the two ends of the outer pipe 2 can always keep horizontal during movement, so as to drive the arc-shaped cleaning pipe 9 and the steam nozzle 10 to move stably, avoid shaking, so as to effectively prevent the influence of the rotation of the rotor on the steam pipeline, avoid the shaking of the steam pipeline during cleaning, keep the nozzle stable, avoid the collision between the nozzle and the rotor, improve the stability of the steam pipeline, and keep the rotor normal running.

[0033] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0034] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A blow loss preventing sector rectifying nozzle applied to a steam soot blower, comprising a main body shell (1) and an outer tube (2), characterized in that: The bottom of the outer tube (2) is fixedly connected with a rack (3), the right side of the front of the main body shell (1) is fixedly connected with a speed regulating forward and reverse motor (4), the output end of the speed regulating forward and reverse motor (4) penetrates to the inside of the main body shell (1) and is fixedly connected with a gear (5), the surface of the gear (5) is engaged with the surface of the rack (3), the front and back of the left side of the surface of the outer tube (2) is slidably connected with the inner wall of the main body shell (1), the bottom of the front and back of the main body shell (1) is fixedly connected with a mounting strip (6), the left side of the front of the main body shell (1) is fixedly connected with a controller (7), the controller (7) is electrically connected with the speed regulating forward and reverse motor (4), the inside of the outer tube (2) is slidably connected with an inner tube (8), the right end of the outer tube (2) is communicated with an arc-shaped cleaning pipe (9), the bottom of the arc-shaped cleaning pipe (9) is communicated with a plurality of evenly distributed steam nozzles (10), the upper side of the front and back of the main body shell (1) is fixedly connected with a guide rod mechanism (11), the front and back of the right side of the surface of the outer tube (2) is fixedly connected with a stabilizing plate (12), the left side of the stabilizing plate (12) is fixedly connected with the right end of the guide rod mechanism (11).

2. The anti-blowing sector-shaped straightening nozzle applied to a steam soot blower according to claim 1, characterized in that: The guide rod mechanism (11) comprises a fixed plate (13) fixedly connected with the front and back of the right side of the surface of the main body shell (1), the surface of the fixed plate (13) is provided with a left and right through circular hole, and the inside of the circular hole is slidably connected with a stabilizing rod (14), the left end of the stabilizing rod (14) is fixedly connected with a limiting block (15), and the right end of the stabilizing rod (14) is fixedly connected with the left side of the stabilizing plate (12).

3. The anti-blowing sector-shaped straightening nozzle applied to the steam soot blower according to claim 1, characterized in that: The left side of the inner wall of the outer tube (2) is fixedly connected with a first sealing slip ring (16), the inner surface of the first sealing slip ring (16) is slidably connected with the surface of the inner tube (8), the right side of the surface of the inner tube (8) is fixedly connected with a second sealing slip ring (17), and the surface of the second sealing slip ring (17) is slidably connected with the inner wall of the outer tube (2).

4. The anti-blowing sector-shaped straightening nozzle applied to a steam soot blower according to claim 1, characterized in that: The bottom of the arc-shaped cleaning pipe (9) is fixedly connected with a rubber skirt (18) located outside the steam nozzle (10), the height of the rubber skirt (18) is greater than the height of the steam nozzle (10), the lower side of the right side of the main body shell (1) is fixedly connected with a sealing plate (19), the top of the sealing plate (19) is in the same plane as the bottom of the rubber skirt (18), and the surface of the sealing plate (19) is provided with an anti-sticking coating.

5. The anti-blowing sector-shaped straightening nozzle applied to a steam soot blower according to claim 1, characterized in that: The front and back of the left side of the surface of the outer tube (2) is fixedly connected with a T-shaped sliding block (20), the front and back of the inner wall of the main body shell (1) is fixedly connected with a guide strip (21), the surface of the guide strip (21) is provided with a T-shaped groove (22), and the surface of the T-shaped sliding block (20) is slidably connected with the inner wall of the T-shaped groove (22).

6. The anti-blowing sector-shaped straightening nozzle applied to a steam soot blower according to claim 1, characterized in that: The left side of the surface of the inner tube (8) is communicated with a pressure sensing table (23), the top of the arc-shaped cleaning pipe (9) is communicated with a pressure relief valve (24), and the pressure sensing table (23) and the pressure relief valve (24) are electrically connected with the controller (7).

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