Semi-telescopic soot blower

Abstract

The utility model is suitable for the technical field of soot blowers, and provides a semi-telescopic soot blower which comprises a telescopic box. The soot blowing pipe is arranged in the telescopic box in a sliding manner; the air injection holes are formed in the soot blowing side of the soot blowing pipe; the cover plates are arranged on the soot blowing side of the soot blowing pipe, the cover plates are arranged corresponding to the air injection holes, and the cover plates can seal the air injection holes; the air inlet pipe is rotationally mounted on the telescopic box, and the air inlet pipe extends into the soot blowing pipe; the cleaning bristles are fixedly mounted on the outer wall of the air inlet pipe, and the cleaning bristles can be in sliding contact with the inner wall of the soot blowing pipe. According to the semi-telescopic soot blower provided by the scheme, the blowholes in the soot blowing pipe can be shielded, the phenomenon that too much soot enters the blowholes to cause blockage is avoided, and the soot entering the soot blower can be conveniently cleaned.

Description

Technical Field

[0001] The utility model belongs to the technical field of soot blowers, in particular to a semi-telescopic soot blower. Background Art

[0002] A soot blower is a device used to remove soot from the heating surface of a boiler. It is usually composed of a soot blowing pipe and an operating valve. It is usually installed on the furnace wall of the boiler furnace, horizontal flue, and tail flue.

[0003] However, the common soot blower air holes lack shielding, soot that falls easily enters the air holes and causes blockage, and it is inconvenient to clean the soot that mistakenly enters the soot blowing pipe. Utility Model Content

[0004] The utility model provides a semi-retractable sootblower, aiming to solve the problems raised in the above background technology that the air jet holes of the currently common sootblower lack shielding, so that falling soot easily enters the air jet holes and causes blockage, and it is inconvenient to clean the soot that mistakenly enters the sootblowing pipe.

[0005] To solve the above problems, the utility model is implemented as follows: a semi-telescopic sootblower comprises: a telescopic box; a sootblowing pipe, the sootblowing pipe is slidably arranged in the telescopic box; a plurality of jet holes, the jet holes are opened on the sootblowing side of the sootblowing pipe; a plurality of cover plates, the cover plates are arranged on the sootblowing side of the sootblowing pipe, the cover plates are arranged corresponding to the jet holes, and the cover plates can close the jet holes; an air inlet pipe, the air inlet pipe is rotatably mounted on the telescopic box, and the air inlet pipe extends into the sootblowing pipe; cleaning hairs, the cleaning hairs are fixedly mounted on the outer wall of the air inlet pipe, and the cleaning hairs can be in sliding contact with the inner wall of the sootblowing pipe; a telescopic mechanism, the telescopic mechanism is arranged on the telescopic box, and the telescopic mechanism is used to drive the sootblowing pipe to extend or retract into the telescopic box; a shielding mechanism, the shielding mechanism is arranged on the sootblowing pipe, and the shielding mechanism is used to drive the cover plate to shield the jet holes; a cleaning mechanism, the cleaning mechanism is arranged on the telescopic box, and the cleaning mechanism is used to drive the cleaning hairs to clean the soot in the sootblowing pipe.

[0006] Preferably, the telescopic mechanism includes a threaded sleeve rotatably mounted on the sootblowing side of the telescopic box, the sootblowing pipe extends into the threaded sleeve and is threadedly connected to the threaded sleeve, a telescopic motor is fixedly mounted on one side of the top of the telescopic box, sprockets are fixedly mounted on the output shaft of the telescopic motor and the threaded sleeve, and the same chain is mounted on the two sprockets.

[0007] Preferably, the shielding mechanism includes a plurality of support frames fixedly mounted on the soot blowing side of the soot blowing tube, a support rod is rotatably mounted on the support frame, one end of the cover plate extending into the support frame is fixedly connected to the support rod, and a limit block is fixedly mounted on the rear side of the cover plate, and the limit block can contact the outer wall of the soot blowing tube.

[0008] Preferably, the cleaning mechanism comprises a rotating motor fixedly mounted on the rear side of the telescopic box, and meshing bevel gears are fixedly mounted on the output shaft of the rotating motor and the portion of the air inlet pipe extending out of the telescopic box.

[0009] Preferably, an ash outlet is provided on one side of the rear side of the telescopic box, an ash collecting box is fixedly installed on the bottom of the telescopic box below the ash outlet, and a plurality of filter holes are provided on the ash collecting box.

[0010] Preferably, a connecting tube is rotatably mounted on one end of the air inlet pipe extending outside the telescopic box, the connecting tube can be threadedly connected to an external air supply pipe, a fixing plate is fixedly mounted on the connecting tube, and one side of the fixing plate is fixedly connected to the telescopic box.

[0011] Preferably, a fixing ring is fixedly mounted on the front side of the threaded sleeve, and the cover plate can extend into the fixing ring and can be in sliding contact with the fixing ring.

[0012] Compared with the related art, the semi-retractable sootblower provided by the utility model has the following beneficial effects:

[0013] Compared with the prior art, the semi-retractable sootblower provided by this solution realizes efficient, stable and convenient cleaning of the boiler heating surface as a whole. Through the design of the telescopic mechanism, the sootblowing pipe can be accurately telescopically adjusted according to the cleaning needs, which improves the flexibility and pertinence of cleaning. At the same time, the design of the shielding mechanism effectively prevents the entry and blockage of soot during the cleaning process, ensuring the continuity and efficiency of the cleaning work. In addition, the setting of the cleaning mechanism can regularly clean the inside of the sootblowing pipe, keep it unobstructed, and extend the service life of the sootblower. The convenient connection method between the air inlet pipe and the external air supply pipe, as well as the enhancement of the stability of the cover plate by the fixing ring, further improve the operational convenience and working stability of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a semi-telescopic sootblower provided by the utility model;

[0015] Figure 2 This is a schematic diagram of the main sectional structure of a semi-telescopic sootblower provided by the utility model;

[0016] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A shown in FIG.

[0017] Figure numerals: 1. telescopic box; 2. soot blowing pipe; 3. air jet hole; 4. cover plate; 5. air inlet pipe; 6. cleaning hair; 7. threaded sleeve; 8. telescopic motor; 9. sprocket; 10. chain; 11. support frame; 12. support rod; 13. limit block; 14. rotating motor; 15. bevel gear; 16. ash outlet; 17. ash collecting box; 18. connecting tube; 19. fixing plate; 20. fixing ring. DETAILED DESCRIPTION

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0019] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0020] The utility model embodiment provides a semi-retractable soot blower, such as Figure 1-3As shown, the semi-retractable sootblower comprises: a telescopic box 1; a sootblowing pipe 2, which is slidably arranged in the telescopic box 1; a plurality of jet holes 3, which are opened on the sootblowing side of the sootblowing pipe 2; a plurality of cover plates 4, which are arranged on the sootblowing side of the sootblowing pipe 2, and the cover plates 4 are arranged corresponding to the jet holes 3, and the cover plates 4 can close the jet holes 3; an air inlet pipe 5, which is rotatably mounted on the telescopic box 1, and the air inlet pipe 5 extends into the sootblowing pipe 2; and a cleaning hair 6, which is fixedly mounted on the sootblowing side of the sootblowing pipe 2. On the outer wall of the air inlet pipe 5, the cleaning hair 6 can be in sliding contact with the inner wall of the soot blowing pipe 2; a telescopic mechanism, the telescopic mechanism is arranged on the telescopic box 1, and the telescopic mechanism is used to drive the soot blowing pipe 2 to extend or retract into the telescopic box 1; a shielding mechanism, the shielding mechanism is arranged on the soot blowing pipe 2, and the shielding mechanism is used to drive the cover plate 4 to shield the injection hole 3; a cleaning mechanism, the cleaning mechanism is arranged on the telescopic box 1, and the cleaning mechanism is used to drive the cleaning hair 6 to clean the soot in the soot blowing pipe 2.

[0021] In this embodiment, the telescopic box 1 serves as a storage and sliding track for the sootblowing pipe 2, so that the sootblowing pipe 2 can be extended or retracted as needed to meet the cleaning needs of different positions. A plurality of jet holes 3 are provided on the sootblowing side of the sootblowing pipe 2 for spraying clean gas to remove accumulated dust.

[0022] Importantly, corresponding cover plates 4 are provided on the air jet holes 3. These cover plates 4 can close the air jet holes 3, effectively preventing the falling ash from entering the air jet holes 3 and causing blockage. The shielding mechanism is responsible for controlling the shielding action of the cover plates 4, ensuring that the air jet holes 3 can be quickly and accurately shielded when needed.

[0023] The air inlet pipe 5 not only provides the source of clean gas for the sootblowing tube 2, but also has cleaning hairs 6 installed on its outer wall. These cleaning hairs 6 are in sliding contact with the inner wall of the sootblowing tube 2, and can clean up the soot attached to the sootblowing tube 2 inner wall.

[0024] The function of the telescopic mechanism is to promote the telescopic movement of the sootblowing pipe 2 in the telescopic box 1, thereby ensuring that the sootblowing pipe 2 can reach and clean every corner of the boiler.

[0025] The cleaning mechanism is responsible for controlling the cleaning action of the cleaning bristles 6 to ensure that the cleaning bristles 6 can play a maximum role when the sootblowing tube 2 needs to be cleaned.

[0026] In a further preferred embodiment of the utility model, the telescopic mechanism includes a threaded sleeve 7 rotatably mounted on the soot blowing side of the telescopic box 1, the soot blowing pipe 2 extends into the threaded sleeve 7 and is threadedly connected to the threaded sleeve 7, a telescopic motor 8 is fixedly mounted on one side of the top of the telescopic box 1, and a sprocket 9 is fixedly mounted on the output shaft of the telescopic motor 8 and the threaded sleeve 7, and the two sprockets 9 are provided with the same chain 10.

[0027] In this embodiment, the telescopic mechanism includes a threaded sleeve 7 rotatably mounted on the soot blowing side of the telescopic box 1. This design allows the soot blowing pipe 2 to extend into the threaded sleeve 7 and form a threaded connection with the threaded sleeve 7. This threaded connection is not only firm and reliable, but also enables precise telescopic adjustment. By rotating the threaded sleeve 7, the telescopic length of the soot blowing pipe 2 in the telescopic box 1 can be conveniently controlled to meet the cleaning needs of different positions and angles.

[0028] Secondly, a telescopic motor 8 is fixedly installed on one side of the top of the telescopic box 1. As a power source, the telescopic motor 8 can drive the rotation of the threaded sleeve 7. By controlling the forward and reverse rotation of the telescopic motor 8, the extension and retraction of the sootblowing tube 2 can be achieved. This electric control method is not only easy to operate, but also can improve the efficiency of cleaning work.

[0029] In addition, sprockets 9 are fixedly mounted on the output shaft of the telescopic motor 8 and the threaded sleeve 7, and the same chain 10 is sleeved on the two sprockets 9. This chain transmission method can effectively transmit the power of the telescopic motor 8 to the threaded sleeve 7 to realize the rotational movement of the threaded sleeve 7. The transmission of the chain 10 has the advantages of large transmission power, high transmission efficiency, reliable operation, etc., and can ensure the stability and reliability of the telescopic mechanism.

[0030] In a further preferred embodiment of the utility model, the shielding mechanism includes a plurality of support frames 11 fixedly mounted on the soot blowing side of the soot blowing pipe 2, a support rod 12 is rotatably mounted on the support frame 11, one end of the cover plate 4 extending into the support frame 11 is fixedly connected to the support rod 12, and a limit block 13 is fixedly mounted on the rear side of the cover plate 4, and the limit block 13 can contact the outer wall of the soot blowing pipe 2.

[0031] In this embodiment, the shielding mechanism includes a plurality of support frames 11 fixedly mounted on the soot blowing side of the soot blowing pipe 2. These support frames 11 not only provide stable support, but also provide a basis for the subsequent installation of components. A support rod 12 is rotatably mounted on each support frame 11, and one end of the cover plate 4 extending into the support frame 11 is fixedly connected to the support rod 12. Such a design enables the cover plate 4 to move accordingly when the support rod 12 rotates.

[0032] In addition, in order to limit the range of movement of the cover plate 4 and ensure that it can accurately cover the air injection hole 3, a limit block 13 is fixedly installed on the rear side of the cover plate 4. When the cover plate 4 rotates to contact the outer wall of the soot blowing pipe 2, the limit block 13 will play a blocking role to prevent the cover plate 4 from excessive rotation or misalignment.

[0033] In actual use, the gas ejected from the air jet hole 3 can push open the cover plate 4. When cleaning is completed, as the gas stops, the cover plate 4 on the upper side loses thrust and starts to fall, so that the upper air jet hole 3 can be covered to prevent the residual smoke and dust from falling into the air jet hole 3. This design is not only simple in structure and easy to operate, but also can effectively prevent smoke and ash from entering the air jet hole 3, and maintain the normal operation of the cleaning mechanism.

[0034] In a further preferred embodiment of the utility model, the cleaning mechanism includes a rotating motor 14 fixedly mounted on the rear side of the telescopic box 1, and a meshing bevel gear 15 is fixedly mounted on the output shaft of the rotating motor 14 and the portion of the air intake pipe 5 extending out of the telescopic box 1.

[0035] In this embodiment, the cleaning mechanism includes a rotating motor 14 fixedly mounted on the rear side of the telescopic box 1. The rotating motor 14, as a power source, can provide a stable driving force for the cleaning mechanism. In order to realize the rotation of the air intake pipe 5, a meshing bevel gear 15 is fixedly mounted on the output shaft of the rotating motor 14 and the portion of the air intake pipe 5 extending out of the telescopic box 1. The meshing mode of the bevel gear 15 can realize the power transmission between the rotating motor 14 and the air intake pipe 5, so that the air intake pipe 5 can rotate under the drive of the rotating motor 14.

[0036] When the rotating motor 14 is started, the air inlet pipe 5 starts to rotate through the transmission of the bevel gear 15. Since the cleaning bristles 6 are fixedly mounted on the outer wall of the air inlet pipe 5 and are in sliding contact with the inner wall of the soot blowing pipe 2, the rotation of the air inlet pipe 5 drives the cleaning bristles 6 to scrape and clean the inner wall of the soot blowing pipe 2. In this way, the soot attached to the inner wall of the soot blowing pipe 2 can be effectively removed, keeping the soot blowing pipe 2 clean and unobstructed.

[0037] Through this design, the cleaning mechanism can achieve efficient cleaning of the soot inside the sootblower 2, thereby improving the efficiency and quality of the cleaning work. At the same time, due to the transmission mode of the bevel gear 15, the entire cleaning mechanism has a compact structure and stable operation, which can meet the needs of long-term use.

[0038] In a further preferred embodiment of the utility model, an ash outlet 16 is opened on one side of the rear side of the telescopic box 1, and an ash collecting box 17 is fixedly installed at the bottom of the telescopic box 1 below the ash outlet 16, and the ash collecting box 17 is provided with a plurality of filter holes.

[0039] In this embodiment, the ash outlet 16 is provided so that when the cleaning mechanism is working, the ash scraped off by the cleaning hairs 6 can be smoothly discharged from the telescopic box 1. The ash falls directly into the ash collecting box 17 below through the ash outlet 16. The design of the ash collecting box 17 allows the ash to be collected in a centralized manner, which is convenient for subsequent cleaning and processing.

[0040] This design not only effectively prevents the accumulation of ash in the telescopic box 1, keeps the cleaning mechanism clean and works efficiently, but also simplifies the ash handling process and improves work efficiency. In addition, the detachable design of the ash box 17 also makes cleaning more convenient, and the ash box 17 can be cleaned regularly according to actual conditions to ensure the normal operation of the entire cleaning system.

[0041] In a further preferred embodiment of the utility model, a connecting tube 18 is rotatably installed on one end of the air inlet pipe 5 extending outside the telescopic box 1, and the connecting tube 18 can be threadedly connected to an external air supply pipe. A fixing plate 19 is fixedly installed on the connecting tube 18, and one side of the fixing plate 19 is fixedly connected to the telescopic box 1.

[0042] In this embodiment, a connecting tube 18 is rotatably mounted on one end of the air inlet pipe 5 extending outside the telescopic box 1, and the connecting tube 18 can be threadedly connected to the external air delivery pipe. In addition, a fixing plate 19 is fixedly mounted on the connecting tube 18, and one side of the fixing plate 19 is fixedly connected to the telescopic box 1, thereby ensuring the stability and reliability of the connection.

[0043] This design brings the following benefits:

[0044] Firstly, by rotating and installing the connecting tube 18 , the connection between the air intake pipe 5 and the external air delivery pipe becomes more flexible and convenient, and the connecting tube 18 is prevented from rotating together with the air intake pipe 5 .

[0045] Secondly, the threaded connection can ensure the tightness and sealing of the connection. The threaded connection has the advantages of simple structure, reliable connection, and convenient disassembly. It can effectively prevent gas leakage and ensure the normal cleaning work.

[0046] Finally, the design of the fixing plate 19 further enhances the stability of the connection. By fixing the fixing plate 19 to the telescopic box 1, it can be ensured that the connecting tube 18 will not rotate together with the rotation of the air inlet pipe 5, thereby improving the stability of the entire cleaning mechanism.

[0047] In a further preferred embodiment of the present invention, a fixing ring 20 is fixedly mounted on the front side of the threaded sleeve 7 , and the cover plate 4 can extend into the fixing ring 20 and can be in sliding contact with the fixing ring 20 .

[0048] In this embodiment, the setting of the fixing ring 20 allows the cover plate 4 to enter the fixing ring 20 when extended and to make sliding contact with the fixing ring 20. This sliding contact not only limits the movement trajectory of the cover plate 4, but also ensures that it can accurately cover the air injection hole 3.

[0049] After the sootblower 2 has cleaned the soot in the boiler, the sootblower 2 is first retracted into the telescopic box 1. As the cover plate 4 enters the fixing ring 20, the cover plate 4 is gradually subjected to the pressure of the fixing ring 20, so that the cover plate 4 is firmly pressed against the gas injection hole 3. At this time, the gas blown out through the air inlet pipe 5 will not be blown out through the gas injection hole 3, but will move along the inner wall of the sootblower 2 toward the ash outlet 16, driving the cleaned soot into the ash collecting box 17. The gas can continue to pass through the filter holes on the ash collecting box 17 to leave the ash collecting box 17, while the smoke brought out will be left in the ash collecting box 17.

[0050] In addition, the fixed connection between the fixing ring 20 and the threaded sleeve 7 also enhances the stability of the entire shielding mechanism, ensuring that during the cleaning process of the soot blowing tube 2, a large amount of gas will not directly leave the soot blowing tube 2 through the air injection hole 3, thereby facilitating the collection of soot.

[0051] In summary, compared with the relevant technology, the semi-retractable sootblower designed by the utility model realizes efficient, stable and convenient cleaning of the boiler heating surface as a whole. Through the design of the telescopic mechanism, the sootblowing pipe 2 can be accurately telescopically adjusted according to the cleaning needs, which improves the flexibility and pertinence of cleaning. At the same time, the design of the shielding mechanism effectively prevents the entry and blockage of soot during the cleaning process, ensuring the continuity and efficiency of the cleaning work. In addition, the setting of the cleaning mechanism can regularly clean the inside of the sootblowing pipe 2, keep it unobstructed, and extend the service life of the sootblower. The convenient connection method between the air inlet pipe 5 and the external air supply pipe, and the enhancement of the stability of the cover plate 4 by the fixing ring 20, further improve the operational convenience and working stability of the entire device.

[0052] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0053] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A semi-retractable sootblower, characterized in that: include: Telescopic box; A soot blowing pipe, wherein the soot blowing pipe is slidably arranged in the telescopic box; A plurality of air injection holes, wherein the air injection holes are provided on the soot blowing side of the soot blowing pipe; A plurality of cover plates, wherein the cover plates are arranged on the soot blowing side of the soot blowing pipe, the cover plates are arranged corresponding to the air injection holes, and the cover plates can close the air injection holes; An air inlet pipe, the air inlet pipe is rotatably mounted on the telescopic box, and the air inlet pipe extends into the sootblowing pipe; Cleaning hairs, the cleaning hairs are fixedly mounted on the outer wall of the air inlet pipe, and the cleaning hairs can be in sliding contact with the inner wall of the sootblowing pipe; A telescopic mechanism, the telescopic mechanism is arranged on the telescopic box, and the telescopic mechanism is used to drive the sootblowing pipe to extend out or retract into the telescopic box; A shielding mechanism, wherein the shielding mechanism is arranged on the sootblowing pipe and is used to drive the cover plate to shield the air injection hole; A cleaning mechanism is provided on the telescopic box and is used to drive the cleaning bristles to clean the soot in the soot blowing pipe.

2. The semi-retractable sootblower according to claim 1, characterized in that: The telescopic mechanism includes a threaded sleeve rotatably mounted on the soot blowing side of the telescopic box, the soot blowing pipe extends into the threaded sleeve and is threadedly connected to the threaded sleeve, a telescopic motor is fixedly mounted on one side of the top of the telescopic box, sprockets are fixedly mounted on the output shaft of the telescopic motor and the threaded sleeve, and the same chain is sleeved on the two sprockets.

3. The semi-retractable sootblower according to claim 1, characterized in that: The shielding mechanism includes a plurality of support frames fixedly mounted on the soot blowing side of the soot blowing tube, support rods are rotatably mounted on the support frames, one end of the cover plate extending into the support frame is fixedly connected to the support rods, and a limit block is fixedly mounted on the rear side of the cover plate, and the limit block can contact the outer wall of the soot blowing tube.

4. The semi-retractable sootblower according to claim 1, characterized in that: The cleaning mechanism comprises a rotating motor fixedly mounted on the rear side of the telescopic box, and meshing bevel gears are fixedly mounted on the output shaft of the rotating motor and the portion of the air inlet pipe extending out of the telescopic box.

5. The semi-retractable sootblower according to claim 1, characterized in that: An ash outlet is provided on one side of the rear side of the telescopic box, and an ash collecting box is fixedly installed at the bottom of the telescopic box below the ash outlet, and a plurality of filter holes are provided on the ash collecting box.

6. The semi-retractable sootblower according to claim 1, characterized in that: A connecting tube is rotatably mounted on one end of the air inlet pipe extending outside the telescopic box. The connecting tube can be threadedly connected to an external air delivery pipe. A fixing plate is fixedly mounted on the connecting tube. One side of the fixing plate is fixedly connected to the telescopic box.

7. The semi-retractable sootblower according to claim 2, characterized in that: A fixing ring is fixedly mounted on the front side of the threaded sleeve, and the cover plate can extend into the fixing ring and can be in sliding contact with the fixing ring.

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