Double-positive-pressure wall box with multi-surface rotary steam soot blower

Abstract

The utility model relates to the technical field of soot blowers, and discloses a multi-face rotating steam soot blower double positive pressure wall box, which comprises a main body structure and a leakage-proof structure, the outer wall of the main body structure is fixedly connected with the leakage-proof structure, the main body structure comprises a steam soot blower body, the output end of the steam soot blower body is fixedly connected with a connecting main pipe, and the connecting main pipe is fixedly connected with the steam soot blower body. The end, away from the steam soot blower body, of the connecting main pipe is rotationally connected with a steam conveying pipe, steam discharged by the steam soot blower body reaches the interior of the steam conveying pipe through the connecting main pipe at the output end of the steam soot blower body, a plurality of steam nozzles are arranged on the steam conveying pipe at equal intervals, and the steam reaches the interior of the steam nozzles and then is sprayed out. The driving motor is started, the driving motor drives the driving gear to enable the driving gear to drive the meshed driven gear to rotate, the driven gear drives the steam spray head to rotate, the steam spray head rotates to spray steam to conduct soot blowing on a plurality of working faces, then the soot blowing working face of the soot blower is improved, and the soot blowing efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of soot blower technology, specifically a multi-faceted rotating steam soot blower with a double positive pressure wall box. Background Technology

[0002] An alkali recovery boiler is a device that generates steam by absorbing heat from the high-temperature flue gas discharged during combustion. A sootblower with a double positive pressure wall box is a device used to remove ash accumulation on the heating surfaces of a boiler. It is generally installed on the furnace walls in the boiler furnace, horizontal flue, and tail flue. According to its structural type, there are several types, including gun type, rotary type, and telescopic type. According to the medium used, there are three categories: air sootblower, steam sootblower, and hydraulic sootblower.

[0003] According to the patent announcement CN219775776U, "A Double Positive Pressure Wall Box for an Alkali Furnace Sootblower," steam is generated by the steam sootblower body, which then reaches the inside of the connecting pipe, the rotating drum, the main pipe, and finally the gun barrel through a telescopic pipe fixedly connected to the lower right side of the main pipe. Rotating four sets of screw rods changes the distance between them and the movable plate, causing the gun barrel to change its angle within a spherical groove on the right side of the main pipe. This adjustment of the gun barrel angle allows for the blowing of ash from the alkali recovery boiler, achieving the effect of adjustable and fixed sootblowing angle. A motor rotates, driving a gear, which in turn rotates a gear ring fixedly connected to the outer wall of the rotating drum. The rotating drum's rotation, in turn, rotates a spiral rod fixedly connected inside the drum, guiding the steam passing through the inner wall of the drum in a spiral flow, thus accelerating steam discharge and improving sootblowing efficiency.

[0004] However, the above-mentioned device has the problem that adjusting the barrel angle is relatively troublesome and the working surface of the steam blowing direction is singular, which makes it impossible to guarantee the soot blowing efficiency. Utility Model Content

[0005] The purpose of this invention is to provide a multi-faceted rotating steam soot blower with a double positive pressure wall box to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a multi-faceted rotating steam soot blower with double positive pressure wall box, including a main structure and a leak-proof structure, wherein the leak-proof structure is fixedly connected to the outer wall of the main structure;

[0007] The main structure includes a steam soot blower body, with a connecting main pipe fixedly connected to the output end of the steam soot blower body. A steam conveying pipe is rotatably connected to the end of the connecting main pipe away from the steam soot blower body. Several equidistant steam nozzles are fixedly connected to the outer surface of the steam conveying pipe. A driven gear is fixedly connected to the outer wall of the steam conveying pipe. A driving gear meshes with the outer surface of the driven gear. A drive motor is provided on the outer wall of the driving gear.

[0008] Preferably, a fixed box is fixedly connected to the outer surface of the connecting main pipe, and the drive motor is fixedly connected to the inner wall of the fixed box.

[0009] Preferably, the end of the steam delivery pipe away from the main connecting pipe passes through the inner wall of the fixed box and extends to the outside, and the steam delivery pipe is rotatably connected to the fixed box through a bearing.

[0010] Preferably, a filter plate is provided inside the connecting main pipe, and a fixing groove is provided on the outer walls of both sides of the filter plate. A reset spring is fixedly connected to the inner wall of the fixing groove, and a fixing block is fixedly connected to the top of the reset spring.

[0011] Preferably, the inner wall of the connecting main pipe is provided with a positioning groove, the shape and size of which are adapted to the shape and size of the fixing groove, and a sealing strip is provided on the upper end of the filter plate in contact with the connecting main pipe.

[0012] Preferably, the leak-proof structure includes a sealing ring, a heat recovery pipe is fixedly connected to the top of the sealing ring, and an induced draft fan is provided on the outer surface of the heat recovery pipe.

[0013] Preferably, the sealing ring is disposed at the connection between the connecting main pipe and the steam conveying pipe, and the end of the heat recovery pipe away from the sealing ring is fixedly connected to the connecting main pipe.

[0014] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0015] First, this utility model uses a fixed connecting pipe at the output end of the steam soot blower body to allow the steam discharged from the steam soot blower body to reach the inside of the steam conveying pipe. By setting several equidistant steam nozzles on the steam conveying pipe, the steam reaches into the steam nozzles and is then sprayed out. The drive motor is started, and the drive motor drives the drive gear, which in turn drives the meshing driven gear to rotate. The driven gear drives the steam nozzles to rotate, causing the steam nozzles to rotate and spray steam to blow soot onto multiple working surfaces. This increases the soot blowing working surface of the soot blower and improves the soot blowing efficiency.

[0016] Secondly, by installing a filter plate inside the connecting pipe, this utility model can effectively trap impurities in the steam, preventing the connecting pipe from being blocked and affecting its use. It effectively protects the connecting pipe and the steam delivery pipe, avoiding the problems of troublesome disassembly and cleaning, large workload, and easy burns. By starting the induced draft fan, the steam leakage at the connection between the connecting pipe and the steam delivery pipe is caused to be introduced into the heat recovery pipe from the inner wall of the sealing ring, and the steam is transported to the connecting pipe for recovery, thus preventing steam leakage and achieving the effect of preventing steam leakage from affecting its use. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the internal structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the overall cross-sectional structure of this utility model;

[0020] Figure 4 For the present utility model Figure 3 Enlarged schematic diagram of the structure at point A in the middle.

[0021] The components include: 1. Main structure; 101. Steam soot blower body; 102. Connecting main pipe; 103. Steam delivery pipe; 104. Steam nozzle; 105. Driven gear; 106. Driven gear; 107. Drive motor; 108. Fixing box; 109. Filter plate; 110. Fixing groove; 111. Return spring; 112. Fixing block; 113. Positioning groove; 2. Leak-proof structure; 201. Sealing ring; 202. Heat recovery pipe; 203. Exhaust fan. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] This utility model provides the following technical solution:

[0024] Example 1

[0025] Please see Figure 1-4 A multi-faceted rotating steam soot blower with double positive pressure wall box includes a main structure 1 and a leak-proof structure 2, with the leak-proof structure 2 fixedly connected to the outer wall of the main structure 1.

[0026] The main structure 1 includes a steam soot blower body 101. A connecting main pipe 102 is fixedly connected to the output end of the steam soot blower body 101. A steam conveying pipe 103 is rotatably connected to the end of the connecting main pipe 102 away from the steam soot blower body 101. Several equidistant steam nozzles 104 are fixedly connected to the outer surface of the steam conveying pipe 103. A driven gear 105 is fixedly connected to the outer wall of the steam conveying pipe 103. A driving gear 106 meshes with the outer surface of the driven gear 105. A drive motor 107 is provided on the outer wall of the driving gear 106.

[0027] A fixed box 108 is fixedly connected to the outer surface of the connecting main pipe 102, and a drive motor 107 is fixedly connected to the inner wall of the fixed box 108.

[0028] The end of the steam delivery pipe 103 away from the connecting main pipe 102 passes through the inner wall of the fixed box 108 and extends to the outside. The steam delivery pipe 103 is rotatably connected to the fixed box 108 through a bearing.

[0029] The connecting main pipe 102 is equipped with a filter plate 109. The filter plate 109 has a fixing groove 110 on both outer walls. A reset spring 111 is fixedly connected to the inner wall of the fixing groove 110. A fixing block 112 is fixedly connected to the top of the reset spring 111.

[0030] The inner wall of the connecting main pipe 102 is provided with a positioning groove 113, the shape and size of which are adapted to the shape and size of the fixing groove 110. A sealing strip is provided on the upper end of the filter plate 109 in contact with the connecting main pipe 102.

[0031] Through the above technical solution, the steam discharged from the steam sootblower body 101 is connected to the main pipe 102 fixed at the output end, allowing the steam to reach the steam delivery pipe 103. Several equidistant steam nozzles 104 are installed on the steam delivery pipe 103, allowing the steam to reach the nozzles and then be ejected. This activates the drive motor 107 (using existing technology). The drive motor 107 drives the drive gear 106, which in turn drives the meshing driven gear 105. The driven gear 105 then drives the steam nozzles 104, causing them to spray steam onto multiple working surfaces, thus increasing the sootblowing working area and improving efficiency. By installing a filter plate 109 inside the main pipe 102, impurities in the steam are effectively trapped, preventing blockage and ensuring the protection of both the main pipe 102 and the steam delivery pipe 103. This avoids the problems of cumbersome disassembly and cleaning, high workload, and the risk of burns. By installing the filter plate 109 into the connecting main pipe 102, and aligning the fixing groove 110 on the filter plate 109 with the positioning groove 113 on the connecting main pipe 102, the return spring 111 in the fixing groove 110 applies an outward force to the fixing block 112, causing the fixing block 112 to snap into the positioning groove 113, thus completing the fixed installation of the filter plate 109. The structure is simple and facilitates the cleaning and disassembly of the filter plate 109 by the staff.

[0032] Example 2

[0033] Please see Figure 1-4 Furthermore, based on Embodiment 1, a multi-faceted rotating steam soot blower double positive pressure wall box is obtained, comprising a main structure 1 and a leak-proof structure 2, wherein the leak-proof structure 2 is fixedly connected to the outer wall of the main structure 1.

[0034] The main structure 1 includes a steam soot blower body 101. A connecting main pipe 102 is fixedly connected to the output end of the steam soot blower body 101. A steam conveying pipe 103 is rotatably connected to the end of the connecting main pipe 102 away from the steam soot blower body 101. Several equidistant steam nozzles 104 are fixedly connected to the outer surface of the steam conveying pipe 103. A driven gear 105 is fixedly connected to the outer wall of the steam conveying pipe 103. A driving gear 106 meshes with the outer surface of the driven gear 105. A drive motor 107 is provided on the outer wall of the driving gear 106.

[0035] The leak-proof structure 2 includes a sealing ring 201, a heat recovery pipe 202 is fixedly connected to the top of the sealing ring 201, and an induced draft fan 203 is provided on the outer surface of the heat recovery pipe 202.

[0036] A sealing ring 201 is provided at the connection between the connecting main pipe 102 and the steam conveying pipe 103, and the end of the heat recovery pipe 202 away from the sealing ring 201 is fixedly connected to the connecting main pipe 102.

[0037] Through the above technical solution, by starting the induced draft fan 203 (which is existing technology and will not be described in detail here), the induced draft fan 203 drives the steam leakage at the connection between the connecting main pipe 102 and the steam conveying pipe 103, and introduces the steam from the inner wall of the sealing ring 201 into the heat recovery pipe 202, and delivers the steam to the connecting main pipe 102 for recovery, thereby preventing steam leakage and achieving the effect of preventing steam leakage from affecting the use.

[0038] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these specific embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-faceted rotary steam soot blower with double positive pressure wall box, comprising a main structure (1) and a leak-proof structure (2), characterized in that: The outer wall of the main structure (1) is fixedly connected with a leak-proof structure (2); The main structure (1) includes a steam soot blower body (101), the output end of which is fixedly connected to a connecting main pipe (102), the end of which is rotatably connected to a steam conveying pipe (103) away from the steam soot blower body (101), a plurality of equidistant steam nozzles (104) are fixedly connected to the outer surface of the steam conveying pipe (103), a driven gear (105) is fixedly connected to the outer wall of the steam conveying pipe (103), a driving gear (106) meshes with the outer surface of the driven gear (105), and a drive motor (107) is provided on the outer wall of the driving gear (106).

2. The multi-faceted rotary steam soot blower with double positive pressure wall box according to claim 1, characterized in that: The outer surface of the connecting main tube (102) is fixedly connected to a fixed box (108), and the drive motor (107) is fixedly connected to the inner wall of the fixed box (108).

3. The multi-faceted rotary steam soot blower with double positive pressure wall box according to claim 1, characterized in that: The end of the steam delivery pipe (103) away from the connecting main pipe (102) passes through the inner wall of the fixed box (108) and extends to the outside. The steam delivery pipe (103) is rotatably connected to the fixed box (108) through a bearing.

4. The multi-faceted rotary steam soot blower with double positive pressure wall box according to claim 1, characterized in that: The connecting main tube (102) is equipped with a filter plate (109). The filter plate (109) has a fixing groove (110) on both outer walls. A reset spring (111) is fixedly connected to the inner wall of the fixing groove (110). A fixing block (112) is fixedly connected to the top of the reset spring (111).

5. A multi-faceted rotary steam soot blower with double positive pressure wall box according to claim 4, characterized in that: The inner wall of the connecting main pipe (102) is provided with a positioning groove (113), the shape and size of which are adapted to the shape and size of the fixing groove (110), and a sealing strip is provided on the upper end of the filter plate (109) in contact with the connecting main pipe (102).

6. The multi-faceted rotary steam soot blower with double positive pressure wall box according to claim 1, characterized in that: The leak-proof structure (2) includes a sealing ring (201), a heat recovery pipe (202) is fixedly connected to the top of the sealing ring (201), and an induced draft fan (203) is provided on the outer surface of the heat recovery pipe (202).

7. A multi-faceted rotary steam soot blower with double positive pressure wall box according to claim 6, characterized in that: The sealing ring (201) is located at the connection between the connecting main pipe (102) and the steam conveying pipe (103), and the end of the heat recovery pipe (202) away from the sealing ring (201) is fixedly connected to the connecting main pipe (102).

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