Boiler soot blower for household garbage incineration power plant

By using a worm gear structure and telescopic cylinder design, the problems of transmission loss and deformation of the soot blowing pipe during the lifting and telescopic process of the boiler soot blowing device are solved, realizing convenient and efficient cleaning of boiler soot blowing.

CN223855659UActive Publication Date: 2026-01-30HENAN YUSHENG ELECTRIC POWER ENG CO LTD
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Patent Information

Application Number
CN202520416101.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-30
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing boiler soot blowing devices suffer from high transmission losses and severe wear during lifting and extension, and the soot blowing pipe may bend at high temperatures, resulting in poor soot blowing effect.

Method used

The system employs a worm gear structure and telescopic cylinder design. The motor drives the worm to rotate, which in turn drives the worm wheel to rotate, thus achieving smooth lifting and lowering of the lifting plate and extension and retraction of the telescopic cylinder. This ensures that the position of the soot blowing assembly is precisely aligned with the boiler soot blowing port.

Benefits of technology

This technology facilitates the lifting, lowering, and extension of the boiler soot blowing device, improves the stability and accuracy of the soot blowing effect, and reduces the wear and deformation of transmission components.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223855659U_ABST
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Abstract

The utility model relates to the technical field of boiler soot blowing, and discloses a boiler soot blowing device for a household garbage incineration power plant, a worm gear is fixedly sleeved on an outer ring of a rotating shaft, movable blocks are fixedly sleeved on the outer ring of the rotating shaft and are positioned on two sides of the worm gear, and teeth of an outer ring of the worm gear are matched with thread grooves of an outer ring of a worm. By arranging the worm gear, the worm, the connecting rod and other structures, stable lifting is achieved, the motor is started, the worm is made to rotate, the worm drives the rotating shaft and the worm gear to rotate between the fixing plates when rotating, the worm gear rotates to drive the movable block to rotate, and through the angle deviation and the height deviation between the movable block and the connecting rod, the movable block is driven to rotate. And after the position of the telescopic cylinder corresponds to the position of the soot blowing opening of the boiler by changing the height of the lifting plate, the motor is stopped, and the effect of facilitating lifting is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler soot blowing technical field especially relates to a kind of for domestic waste incineration power plant boiler soot blowing device. BACKGROUND

[0002] Garbage power generation heating boiler refers to the boiler using municipal domestic waste power generation heating.For solving the pollution problem caused by heating boiler to environment, improve air quality, the state has decided to take quick action to ban regional boiler and dispersed boiler year by year.

[0003] According to the utility model patent publication number:“CN221648509U” boiler soot blowing device, the present disclosure relates to a kind of boiler soot blowing device, the boiler soot blowing device includes bottom plate, lifting plate, lifting assembly, sliding assembly and soot blowing component, the lifting assembly is arranged between the bottom plate and the lifting plate, and is used to drive the lifting plate moves along the first direction, the sliding assembly is arranged on the lifting plate, and is used to drive the soot blowing component moves along the second direction, the first direction and the second direction are perpendicular to each other.The boiler soot blowing device of the present disclosure can expand the cleaning area while blowing and cleaning in the boiler furnace by the above technical scheme.

[0004] For the process of lifting plate ascending or descending using transverse screw rod and connecting rod mechanism, when lifting plate ascends, two hinged rods move towards similar direction, need screw rod to rotate many circles to adjust to the highest position, and there is loss in transmission process, after using for a period of time, there can be silk sliding state, although it can slide smoothly, but only one side is motor-driven, there is tension between sliding rod, need to consider whether wear and tear will increase.

[0005] For the expansion of soot blowing pipe, due to the insufficient strength after screw thread stretching, when blowing soot into the boiler, under high temperature baking, soot blowing pipe can be bent, so that the opening of soot blowing pipe can be offset, and the original angle blowing effect cannot be realized. UTILITY MODEL CONTENT

[0006] In view of the deficiencies of the prior art, the utility model provides a kind of for domestic waste incineration power plant boiler soot blowing device, with the advantages of easy to lift, the initial direction of expansion, solve the problems raised in the above background art.

[0007] The utility model provides following technical scheme: a kind of for domestic waste incineration power plant boiler soot blower, including bottom plate, the one side of bottom plate is fixedly installed pull rod, the bottom rectangular array of bottom plate is equipped with moving wheel, the top of bottom plate is fixedly installed with support plate, the bottom of support plate is circularly evenly fixedly installed with supporting leg, the bottom of support plate is fixedly installed with motor, the top of support plate is equipped with lifting plate, lifting plate and support plate are movably connected, the top of lifting plate is fixedly installed with soot blowing assembly, the side of soot blowing assembly is equipped with air inlet pipe, one side of soot blowing assembly is equipped with air blowing pipe, air blowing pipe outer ring is fixedly sleeved with telescopic cylinder.

[0008] Through the above structure arrangement, the height of lifting plate can be controlled by starting motor, the synchronous rotation of worm gear is driven by worm rotation, the common movement of movable block is driven by worm rotation, the angle of connecting rod is deviated, the height of lifting plate is changed by the deviation of angle.

[0009] Preferably, the top of the support plate is circularly and uniformly provided with a fixed plate, the fixed plate is provided with three groups, a rotating shaft is rotatably installed between each group of fixed plates, a worm wheel is fixedly sleeved with the outer ring of the rotating shaft, a movable block is fixedly sleeved with the outer ring of the rotating shaft on both sides of the worm wheel, and a side rod is fixedly installed on one side of the movable block.

[0010] Through the above structure arrangement, the teeth of the outer ring of the worm wheel are clamped in the thread groove of the outer ring of the worm, when the worm rotates, the angle of the worm wheel and the rotating shaft is affected, and the angle of the movable block is deviated, the angle and height deviation between the movable block and the connecting rod.

[0011] Preferably, the output shaft end of the motor is fixedly connected with a worm above the support plate, the outer ring of the worm is provided with a thread groove, the teeth of the outer ring of the worm wheel are matched with the thread groove of the outer ring of the worm, and the worm wheel is matched with the worm.

[0012] Through the above structure arrangement, the worm is rotated by starting the motor, the worm wheel is rotated around the rotating shaft, the movable block is moved, and the angle of the movable block and the side rod is deviated, and the angle of the connecting rod is changed at the same time.

[0013] Preferably, one end of the side rod is movably connected with a connecting rod, the bottom of the lifting plate is circularly provided with a buckle, and the other end of the connecting rod is movably installed in the buckle.

[0014] Through the above structure arrangement, the movable block is rotated by the rotation of the worm wheel, and the height of the lifting plate is affected by the angle and height deviation between the movable block and the connecting rod.

[0015] Preferably, the middle part of the telescopic cylinder is in a telescopic state, a fixed cylinder is fixedly installed on the inner ring of the telescopic cylinder near the air blower, a first-level telescopic sleeve is slidably sleeved on the outer ring of the fixed cylinder, a second-level telescopic sleeve is slidably installed on the outer ring of the first-level telescopic sleeve, and one end of the second-level telescopic sleeve is fixedly installed on the inner wall of the telescopic cylinder near the air outlet.

[0016] With the above structural setup, pulling the other end of the telescopic cylinder causes the middle of the telescopic cylinder to extend and retract. The first-stage telescopic sleeve slides on the outer ring of the fixed cylinder, and the second-stage telescopic sleeve continues to slide on the outer ring of the first-stage telescopic sleeve, until the air outlet of the telescopic cylinder extends into the boiler soot blowing port.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. This soot blowing device for boilers in municipal solid waste incineration power plants achieves smooth lifting and lowering through a structure consisting of a worm gear, worm, and connecting rod. Starting the motor causes the worm to rotate, which in turn drives the rotating shaft and worm gear to rotate between the fixed plates. The rotation of the worm gear drives the movable block to rotate. The angular and height deviations between the movable block and the connecting rod affect the height of the lifting plate. By adjusting the height of the lifting plate to align the position of the telescopic cylinder with the boiler soot blowing port, the motor is stopped, thus facilitating lifting and lowering.

[0019] 2. This soot blowing device for boilers in municipal solid waste incineration power plants achieves support and extension through a structure consisting of a telescopic cylinder, a fixed sleeve, and a telescopic sleeve. After the telescopic cylinder is fitted onto the outer ring of the air blowing pipe, pulling the other end of the telescopic cylinder causes the middle part of the cylinder to extend and retract. The first-stage telescopic sleeve slides on the outer ring of the fixed cylinder. When the first-stage telescopic sleeve reaches the end of the outer ring of the fixed cylinder, it is limited by the fixed cylinder. The second-stage telescopic sleeve continues to slide on the outer ring of the first-stage telescopic sleeve until the air outlet of the telescopic cylinder extends into the boiler soot blowing port to blow soot from the boiler soot blowing port, thus achieving the effect of telescopic cylinder support and extension. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the support plate structure connection of this utility model;

[0022] Figure 3 This is a schematic diagram of the worm gear structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the internal structure of the telescopic cylinder of this utility model.

[0024] In the figure: 1, bottom plate; 11, pull rod; 12, moving wheel; 2, support plate; 21, support leg; 22, fixed plate; 23, worm wheel; 24, movable block; 241, side rod; 25, connecting rod; 3, motor; 31, worm; 4, lifting plate; 5, soot blowing assembly; 51, air inlet pipe; 52, air blowing pipe; 6, telescopic cylinder; 61, fixed cylinder; 62, first telescopic sleeve; 63, second telescopic sleeve. DETAILED DESCRIPTION

[0025] 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 labor fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-2 A soot blowing device for a boiler of a household waste incineration power plant, comprising a bottom plate 1, a pull rod 11 is fixedly installed on one side of the bottom plate 1, which facilitates the movement of the overall position of the device, a moving wheel 12 is arranged in a rectangular array at the bottom of the bottom plate 1, a support plate 2 is fixedly installed on the top of the bottom plate 1, support legs 21 are uniformly and fixedly installed in a circular ring shape at the bottom of the support plate 2, a motor 3 is fixedly installed at the bottom of the support plate 2, a lifting plate 4 is arranged at the top of the support plate 2, the lifting plate 4 is movably connected with the support plate 2, a soot blowing assembly 5 is fixedly installed at the top of the lifting plate 4, an air inlet pipe 51 is arranged on one side of the soot blowing assembly 5, and an air blowing pipe 52 is arranged on one side of the soot blowing assembly 5, and a telescopic cylinder 6 is fixedly sleeved on the outer ring of the air blowing pipe 52.

[0027] When the device is used to blow soot in the boiler, the height of the lifting plate 4 can be adjusted by starting the motor 3, the worm 31 is rotated to drive the worm wheel 23 to rotate synchronously, the movable block 24 is driven to move together after the worm wheel 23 rotates, the angle of the connecting rod 25 deviates, the height of the lifting plate 4 is changed through the deviation of the angle, the position of the telescopic cylinder 6 is facilitated to enter the air outlet of the boiler by changing the height of the lifting plate 4, the length of the telescopic cylinder 6 is changed by stretching the telescopic cylinder 6, so that the telescopic cylinder 6 can be inserted into the inside of the boiler, and the air outlet of the telescopic cylinder 6 is always the same through the sliding support between the fixed cylinder 61 and the first telescopic sleeve 62 and the second telescopic sleeve 63.

[0028] Please refer to Figures 1-3The output shaft end of the motor 3 is fixedly connected with a worm 31 above the support plate 2, the outer ring of the worm 31 is provided with a threaded groove, the top of the support plate 2 is uniformly provided with a fixed plate 22 in a circular ring shape, the fixed plate 22 is provided with three groups, a rotating shaft is rotatably installed between each group of the fixed plate 22, the outer ring of the rotating shaft is fixedly sleeved with a worm wheel 23, the outer ring of the rotating shaft is fixedly sleeved with a movable block 24 on both sides of the worm wheel 23, one side of the movable block 24 is fixedly installed with a side rod 241, one end of the side rod 241 is movably connected with a connecting rod 25.

[0029] When the motor 3 drives the worm 31 to rotate, the teeth of the outer ring of the worm wheel 23 are clamped in the threaded groove of the outer ring of the worm 31, when the worm 31 rotates, the angle of the worm wheel 23 and the rotating shaft is affected, and the angle of the movable block 24 is deviated, the height of the lifting plate 4 is affected through the angle deviation and height deviation between the movable block 24 and the connecting rod 25, and the height of the lifting plate 4 is controlled.

[0030] Please refer to Figures 1-3 The teeth of the outer ring of the worm wheel 23 are matched with the threaded groove of the outer ring of the worm 31, and the worm wheel 23 is matched with the worm 31.

[0031] The bottom of the lifting plate 4 is provided with a buckle in a circular ring shape, and the other end of the connecting rod 25 is movably installed in the buckle.

[0032] By starting the motor 3, the worm 31 is rotated, the worm wheel 23 is driven to rotate around the rotating shaft, the movable block 24 is driven to move together, the angle of the movable block 24 and the side rod 241 is deviated, the angle of the connecting rod 25 is changed at the same time, the interval between the lifting plate 4 and the support plate 2 is adjusted, the height of the lifting plate 4 is controlled by driving the worm wheel 23 to rotate by the motor 3, and the position of the lifting plate 4 is conveniently controlled.

[0033] Please refer to Figures 1-4 The middle part of the telescopic cylinder 6 is in a telescopic state, the length of the telescopic cylinder 6 can be lengthened by stretching, and the length of the telescopic cylinder 6 can be shortened by extruding the two ends of the telescopic cylinder 6, the fixed cylinder 61 is fixedly installed on the inner ring of the telescopic cylinder 6 close to the blowing pipe 52, the first telescopic sleeve 62 is limitingly and slidably sleeved on the outer ring of the fixed cylinder 61, the second telescopic sleeve 63 is limitingly and slidably installed on the outer ring of the first telescopic sleeve 62, one end of the second telescopic sleeve 63 is fixedly installed on the inner wall of the telescopic cylinder 6 close to the air outlet, and the fixed cylinder 61, the first telescopic sleeve 62 and the second telescopic sleeve 63 serve as the keel support of the telescopic cylinder 6, so that the shaft center of the telescopic cylinder 6 is uniform in the telescopic or telescopic state, and the air inlet and the air outlet of the telescopic cylinder 6 are consistent.

[0034] Working principle: by holding the pull rod 11, push the position of the device as a whole, to the boiler when, stop moving, observe the position between the boiler soot blower and the device, start the motor 3, make the worm 31 rotation, worm 31 rotation driven shaft and worm gear 23 between the fixed plate 22 rotation, worm gear 23 rotation driven movable block 24 rotation, through the angle deviation and height deviation between movable block 24 and connecting rod 25, influence the height of the lifting plate 4, by changing the height of the lifting plate 4 will be telescopic cylinder 6 position and the position of the boiler soot blower corresponding after stop motor 3, telescopic cylinder 6 outside the circle of blowpipe 52, pull the other end of the telescopic cylinder 6, make the telescopic cylinder 6 middle part of the telescopic, the first telescopic sleeve 62 outside the circle of fixed cylinder 61 sliding, when the first telescopic sleeve 62 to the fixed cylinder 61 outside the circle end, be fixed by the fixed cylinder 61, the second telescopic sleeve 63 continue to be located outside the circle of the first telescopic sleeve 62 sliding, will the air outlet of telescopic cylinder 6 into the boiler soot blower inside, blow the soot of the boiler soot blower.

Claims

1. A soot blowing device for a boiler of a waste incineration power plant, comprising a base plate (1), characterized in that: One side of the bottom plate (1) is fixedly installed with a pull rod (11), the bottom of the bottom plate (1) is provided with a rectangular array of moving wheels (12), the top of the bottom plate (1) is fixedly installed with a support plate (2), the bottom of the support plate (2) is uniformly fixedly installed with a supporting leg (21) in a circular ring shape, the bottom of the support plate (2) is fixedly installed with a motor (3), the top of the support plate (2) is provided with a lifting plate (4), the lifting plate (4) and the support plate (2) are movably connected, the top of the lifting plate (4) is fixedly installed with a soot blowing assembly (5), one side of the soot blowing assembly (5) is provided with an air inlet pipe (51), one side of the soot blowing assembly (5) is provided with a blowing pipe (52), the blowing pipe (52) is fixedly sleeved with an extension cylinder (6) outside the circle.

2. A soot blower for a boiler of a waste incineration plant according to claim 1, characterized in that: The top of the support plate (2) is uniformly provided with a fixed plate (22) in a circular ring shape, the fixed plate (22) is provided with three groups, a rotating shaft is rotatably installed between each group of fixed plates (22), a worm gear (23) is fixedly sleeved outside the rotating shaft, movable blocks (24) are fixedly sleeved outside the rotating shaft on both sides of the worm gear (23), an edge rod (241) is fixedly installed on one side of the movable block (24).

3. A soot blower for a boiler of a waste incineration plant according to claim 2, characterized in that: The output shaft end of the motor (3) is fixedly connected with a worm (31) above the support plate (2), a threaded groove is formed in the outer circle of the worm (31), the teeth of the outer circle of the worm gear (23) are matched with the threaded groove of the outer circle of the worm (31), and the worm gear (23) is matched with the worm (31).

4. The soot blower for a boiler of a waste incineration plant according to claim 3, characterized in that: One end of the edge rod (241) is movably connected with a connecting rod (25), the bottom of the lifting plate (4) is provided with a buckle in a circular ring shape, and the other end of the connecting rod (25) is movably installed in the buckle.

5. A soot blower for a boiler of a waste incineration plant according to claim 4, characterized in that: The middle part of the extension cylinder (6) is telescopic, a fixed cylinder (61) is fixedly installed on the inner circle of the extension cylinder (6) close to the blowing pipe (52), a first telescopic sleeve (62) is limitingly and slidably sleeved on the outer circle of the fixed cylinder (61), a second telescopic sleeve (63) is limitingly and slidably installed on the outer circle of the first telescopic sleeve (62), and one end of the second telescopic sleeve (63) is fixedly installed on the inner wall of the extension cylinder (6) close to the air outlet.

Citation Information

Patent Citations

  • Boiler soot blower

    CN221648509U