Soot blower for biomass boiler

Abstract

The soot blower for the biomass boiler comprises a supporting frame, a sliding body is in sliding fit with the bottom of the supporting frame, a driving motor is arranged at one end of the sliding body in a matched mode, a gas conveying pipe is arranged below the driving motor, a transmission sleeve is matched with the gas conveying pipe, the transmission sleeve is in transmission fit with the driving motor, and an extension pipe is in sliding fit with the gas conveying pipe. One end of the extension pipe is fixedly matched with the transmission sleeve, and a plurality of multi-section air nozzles are distributed on the extension pipe, so that the gas conveying device has the advantages that the teeth are arranged on the outer wall of the gas conveying pipe, the transmission teeth are in meshed transmission with the teeth, the external threads are arranged on the inner wall of the transmission sleeve, and the gas conveying pipe is in threaded fit with the transmission sleeve; the driving motor can achieve movement of the transmission sleeve along the gas conveying pipe through transmission, the extension pipe rotates along with the transmission sleeve along with the transmission sleeve, so that ash removal of the inner wall of the boiler is achieved, air pressure output by the gas conveying pipe can achieve extension of the multiple sections of gas nozzles, the distance between the multiple sections of gas nozzles and the inner wall of the boiler can be shortened by extending the multiple sections of gas nozzles outwards, and the ash removal effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sootblowing equipment, in particular to a sootblower for a biomass boiler. Background Art

[0002] Biomass boiler is a type of boiler. A boiler that uses biomass energy as fuel is called a biomass boiler. It is divided into biomass steam boiler, biomass hot water boiler, biomass hot air furnace, biomass thermal oil furnace, vertical biomass boiler, horizontal biomass boiler, etc. When using a biomass boiler, a lot of dust will be generated. If the dust is not handled for a long time, it will condense on the boiler wall, thereby increasing the heat transfer thermal resistance. Therefore, boiler cleaning is very important.

[0003] At present, the air nozzles of soot blowers are all fixed, and the distance between the soot blowing area and the air nozzles can easily affect the soot cleaning effect, and the use effect needs to be improved.

[0004] Therefore, in view of the shortcomings of the above scheme in actual production and implementation, it is revised and improved. At the same time, in the spirit and concept of seeking excellence, with the assistance of professional knowledge and experience, and after many ingenuity and experiments, the present utility model is created, and a soot blower for a biomass boiler is provided to solve the above problems. Utility Model Content

[0005] The utility model provides a soot blower for a biomass boiler, which solves the problems in the prior art.

[0006] The technical solution of the utility model is achieved as follows: a soot blower for a biomass boiler comprises: a support frame, a sliding body is slidably fitted at the bottom of the support frame, a driving motor is provided at one end of the sliding body, an air pipe is provided below the driving motor, a transmission sleeve is provided on the air pipe, the transmission sleeve is in transmission cooperation with the driving motor, an extension pipe is slidably fitted on the air pipe, one end of the extension pipe is fixedly fitted with the transmission sleeve, and a plurality of multi-section air nozzles are distributed on the extension pipe.

[0007] As a preferred embodiment of a sootblower for a biomass boiler, the support frame includes a transverse plate and a longitudinal plate, a slide groove is provided at the bottom of the transverse plate, the slide body is slidably fitted in the slide groove, and the gas pipe is fixedly fitted on the longitudinal plate.

[0008] As a preferred embodiment of a sootblower for a biomass boiler, the output end of the drive motor extends outward through the sliding body, the extended end of the drive motor is provided with a transmission tooth, the transmission sleeve is matched on the air pipe, the outer wall of the air pipe is provided with teeth, and the transmission teeth are meshed with the teeth for transmission.

[0009] As a preferred embodiment of a soot blower for a biomass boiler, the outer wall of the gas pipe is provided with an internal thread, the inner wall of the transmission sleeve is provided with an external thread, and the transmission sleeve is threadedly engaged with the gas pipe.

[0010] By adopting the above scheme, the driving motor can realize the movement of the transmission sleeve along the air pipe through transmission, and the forward or backward movement is adjusted with the positive and negative movement of the driving motor. During the movement of the transmission sleeve, the sliding body moves synchronously to achieve stable transmission. Secondly, the extension tube rotates with the transmission sleeve.

[0011] As a preferred embodiment of a sootblower for a biomass boiler, an outer protective cover is arranged outside the transmission part composed of the transmission sleeve and the transmission teeth, and one end of the outer protective cover is fixed on the sliding body.

[0012] By adopting the above solution, the outer shield is used to ensure the stability of the transmission part.

[0013] As a preferred embodiment of a soot blower for a biomass boiler, an end plate is provided at one end of the extension pipe, and a connecting plate is provided at one end of the transmission sleeve, and the end plate is fixedly matched with the connecting plate.

[0014] As a preferred embodiment of a sootblower for a biomass boiler, the multi-section air nozzle is double-sectioned and slidably fitted on an extension pipe. The extension pipe is provided with a sliding hole corresponding to the multi-section air nozzle, and the multi-section air nozzle is slidably fitted in the sliding hole.

[0015] As a preferred embodiment of a sootblower for a biomass boiler, an arc-shaped portion is provided at the bottom of the multi-section air nozzle.

[0016] By adopting the above scheme, the air pressure output by the gas transmission pipe can realize the extension of the multi-section air nozzle, and the cleaning effect is improved by extending and shortening the distance to the inner wall of the boiler. Secondly, the arc-shaped portion is conducive to the passage of gas, avoiding the problem that the multi-section air nozzle cannot be extended after being matched with the corresponding multi-section air nozzle.

[0017] After adopting the above technical scheme, the beneficial effects of the utility model are as follows: the outer wall of the gas pipe is provided with teeth, the transmission teeth are meshed with the teeth for transmission, the inner wall of the transmission sleeve is provided with external threads, the gas pipe and the transmission sleeve threads cooperate, and the driving motor can realize the movement of the transmission sleeve along the gas pipe through transmission, and at the same time, the extension pipe rotates with the transmission sleeve, thereby realizing the cleaning of the inner wall of the boiler, and the air pressure output by the gas pipe can realize the extension of multiple-section air nozzles, and the distance from the inner wall of the boiler can be shortened by extending outward to improve the cleaning effect.

[0018] The arc-shaped portion at the bottom of the multi-section jet nozzle facilitates the passage of gas, thereby avoiding the problem that the multi-section jet nozzle cannot be extended after being matched with the corresponding multi-section jet nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 This is a schematic diagram of the structure of a soot blower for a biomass boiler of the utility model;

[0021] Figure 2 This is a bottom view of the soot blower structure for a biomass boiler of the utility model;

[0022] Figure 3 This is a schematic diagram of the positional relationship of the transmission gear, transmission sleeve and outer shield of the utility model;

[0023] Figure 4 This is a cross-sectional view of the structure of the matching relationship between the extension tube and the multi-section air nozzle of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the multi-section air jet of the utility model;

[0025] In the figure, 1-support frame; 2-slide groove; 3-air pipe; 4-transmission sleeve; 5-sliding body; 6-driving motor; 61-transmission gear; 7-outer shield; 8-extension pipe; 9-multi-section air nozzle; 91-arc portion. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1 As shown, a soot blower for a biomass boiler comprises: a support frame 1, a sliding body 5 is slidably fitted at the bottom of the support frame 1, a driving motor 6 is provided at one end of the sliding body 5, an air pipe 3 is provided below the driving motor 6, a transmission sleeve 4 is provided on the air pipe 3, the transmission sleeve 4 is in transmission cooperation with the driving motor 6, an extension pipe 8 is slidably fitted on the air pipe 3, one end of the extension pipe 8 is fixedly fitted with the transmission sleeve 4, and a plurality of multi-section air nozzles 9 are distributed on the extension pipe 8.

[0028] The support frame 1 includes a transverse plate and a longitudinal plate. A slide groove 2 is provided at the bottom of the transverse plate. The slide body 5 is slidably fitted in the slide groove 2. The air delivery pipe 3 is fixedly fitted on the longitudinal plate.

[0029] like Figure 2-3 As shown, the output end of the drive motor 6 extends outward through the slide 5, and a transmission tooth 61 is provided at the extended end of the drive motor 6. The transmission sleeve 4 is matched with the air pipe 3, and teeth are provided on the outer wall of the air pipe 3. The transmission tooth 61 meshes with the teeth for transmission.

[0030] The outer wall of the gas pipe 3 is provided with an internal thread, the inner wall of the transmission sleeve 4 is provided with an external thread, and the transmission sleeve 4 is fitted on the gas pipe 3 through threads.

[0031] An outer protective cover 7 is disposed outside the transmission part composed of the transmission sleeve 4 and the transmission teeth 61 , and one end of the outer protective cover 7 is fixed on the sliding body 5 .

[0032] Among them, an end plate is arranged at one end of the extension tube 8, and a connecting plate is arranged at one end of the transmission sleeve 4, and the end plate and the connecting plate are fixedly matched.

[0033] like Figure 4-5 As shown, the multi-section air nozzle 9 is double-sectioned and slidably fitted on the extension tube 8. The extension tube 8 is provided with a sliding hole corresponding to the multi-section air nozzle 9, and the multi-section air nozzle 9 is slidably fitted in the sliding hole.

[0034] Among them, the bottom of the multi-section air nozzle 9 is provided with an arc portion.

[0035] Working principle: the driving motor 6 can realize the movement of the transmission sleeve 4 along the gas pipe 3 through transmission. At the same time, the extension pipe 8 rotates with the transmission sleeve 4 and enters the boiler. The air pressure output by the gas pipe 3 can realize the extension of the multi-section air nozzle 9. By extending outward, the distance from the inner wall of the boiler can be shortened to improve the cleaning effect.

[0036] In the description of the present utility model, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A soot blower for a biomass boiler, characterized in that: include: A support frame (1), wherein a sliding body (5) is slidably engaged at the bottom of the support frame (1), a driving motor (6) is co-arranged at one end of the sliding body (5), an air pipe (3) is arranged below the driving motor (6), a transmission sleeve (4) is co-arranged on the air pipe (3), the transmission sleeve (4) and the driving motor (6) are in driving engagement, an extension pipe (8) is slidably engaged on the air pipe (3), one end of the extension pipe (8) is fixedly engaged with the transmission sleeve (4), and a plurality of multi-section air nozzles (9) are distributed on the extension pipe (8).

2. A soot blower for a biomass boiler according to claim 1, characterized in that: The support frame (1) comprises a transverse plate and a longitudinal plate, a slide groove (2) is provided at the bottom of the transverse plate, the slide body (5) is slidably fitted in the slide groove (2), and the air delivery pipe (3) is fixedly fitted on the longitudinal plate.

3. A soot blower for a biomass boiler according to claim 1, characterized in that: The output end of the drive motor (6) passes through the sliding body (5) and extends outwards. The extended end of the drive motor (6) is provided with a transmission tooth (61). The transmission sleeve (4) is matched with the air delivery pipe (3). The outer wall of the air delivery pipe (3) is provided with teeth. The transmission tooth (61) meshes with the teeth for transmission.

4. A soot blower for a biomass boiler according to claim 1, characterized in that: The outer wall of the gas delivery pipe (3) is provided with an internal thread, the inner wall of the transmission sleeve (4) is provided with an external thread, and the transmission sleeve (4) is fitted onto the gas delivery pipe (3) via threads.

5. A soot blower for a biomass boiler according to claim 3, characterized in that: An outer protective cover (7) is arranged outside the transmission part composed of the transmission sleeve (4) and the transmission teeth (61), and one end of the outer protective cover (7) is fixed on the sliding body (5).

6. A soot blower for a biomass boiler according to claim 1, characterized in that: An end plate is provided at one end of the extension tube (8), and a connecting plate is provided at one end of the transmission sleeve (4), and the end plate and the connecting plate are fixedly matched.

7. A soot blower for a biomass boiler according to claim 1, characterized in that: The multi-section air nozzle (9) is double-sectioned and slidably fitted on the extension tube (8); the extension tube (8) is provided with a sliding hole corresponding to the multi-section air nozzle (9), and the multi-section air nozzle (9) is slidably fitted in the sliding hole.

8. A soot blower for a biomass boiler according to claim 7, characterized in that: The bottom of the multi-section air jet nozzle (9) is provided with an arc-shaped portion.

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