Automatic soot blowing mechanism of steam boiler

Abstract

The utility model relates to the technical field of steam boilers, and discloses a steam boiler automatic soot blowing mechanism which comprises a boiler side wall, one side of the boiler side wall is in lap joint with the corresponding side of a support, the two sides in the support are fixedly connected with the two ends of an electric guide rail respectively, a sealing component is arranged in an inner cavity of the support, and a locking component is arranged in the boiler side wall. The sealing component comprises a driving motor slidably connected to the bottom end of the electric guide rail, the output end of the driving motor is in transmission connection with the corresponding end of the soot blowing pipeline, two soot blowing openings are formed in the outer wall of the soot blowing pipeline, the other end of the soot blowing pipeline is sleeved with a sealing sleeve, and a through hole is formed in the other side of the side wall of the boiler. The through hole in the surface of the side wall of the boiler is sealed through the sealing sleeve, the through hole can be used for normal movement of the soot blowing pipeline, and the soot blowing pipeline can be sealed through the sealing sleeve so as to prevent external equipment from being damaged by heat in the boiler.

Description

Technical Field

[0001] The utility model relates to the technical field of steam boilers, in particular to an automatic soot blowing mechanism for a steam boiler. Background Art

[0002] The automatic soot blowing mechanism of a steam boiler is a special device used to remove dust, slag and other materials in the boiler pipes and condensers to improve the efficiency and life of the boiler. Its working principle is to use a certain pressure to spray compressed air through a nozzle into the boiler pipes or condensers to wash away the dirt and ash therein.

[0003] For example, the flue evaporator soot blowing mechanism with publication number CN218509819U includes a cleaning box fixedly arranged on the flue, and the second blocking mechanism is symmetrically arranged on both sides of the cleaning box. The utility model sets a first blocking mechanism and a second blocking mechanism. After the second blocking mechanism is opened, the first blocking mechanism is used to block the flue, and then water is sprayed to the ventilation fan through the nozzle to clean the blades of the ventilation fan, thereby reducing the influence of excessive smoke on the soot blowing work of the ventilation fan.

[0004] The above-mentioned prior art has the following disadvantages: the steam soot blower used for the boiler usually requires the soot blowing pipe to be inserted into the boiler, and the soot blowing operation is performed on the inside of the boiler during the rotation of the soot blowing pipe, and the hole for the soot blowing pipe to enter the boiler is usually not provided with a sealing structure, resulting in the heat leaking from the through hole causing damage to external equipment. Utility Model Content

[0005] In view of the above problems existing in the automatic soot blowing mechanism of the existing steam boiler, the present utility model is proposed.

[0006] Therefore, the utility model aims to provide an automatic sootblowing mechanism for a steam boiler, which solves the problem that a sootblowing pipe entering a boiler hole is usually not provided with a blocking structure, resulting in heat leaking from the through hole causing damage to external equipment.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] An automatic sootblowing mechanism for a steam boiler comprises a boiler side wall, one side of the boiler side wall overlaps with a side corresponding to a bracket, two sides inside the bracket are respectively fixedly connected to two ends of an electric guide rail, an inner cavity of the bracket is provided with a closing component, and a locking component is provided inside the boiler side wall.

[0009] The closing component includes a driving motor slidably connected to the bottom end of the electric guide rail, the output end of the driving motor is drivingly connected to one end corresponding to the soot blowing pipe, the outer wall of the soot blowing pipe is provided with two soot blowing ports, the other end of the soot blowing pipe is sleeved with a closing sleeve, the other side of the boiler side wall is provided with a through hole, the closing sleeve is clamped in the through hole, the inside of the boiler side wall is provided with a movable groove, the movable groove is connected with the through hole, two baffles are slidably connected in the movable groove, the opposite surfaces of the two baffles overlap each other, and the opposite surfaces of the two baffles are sleeved on the outer wall of the soot blowing pipe.

[0010] Preferably, the inner sides of the bracket are respectively fixedly connected to the two ends of the guide rod, the outer wall of the guide rod is sleeved with a connecting wire, one side of the drive motor is fixedly connected to the end corresponding to the connecting wire, and the other end of the connecting wire is connected to an external power supply device to limit the connecting wire.

[0011] Preferably, the locking component includes a plurality of fixing bolts threadedly connected to the surface of the bracket, and the plurality of fixing bolts are all threadedly connected through a fixing plate extending from the bracket to the boiler side wall, thereby locking the bracket to the boiler side wall.

[0012] Preferably, two slide grooves are provided on both sides of the movable groove, and a plurality of rollers are clamped on both sides of the two baffles. Both sides of the baffles are slidably connected in the slide grooves through the rollers to ensure smooth movement of the baffles.

[0013] Furthermore, two slots are provided on one side of the baffle plate close to the driving motor, and the same latch is clamped inside the two adjacent slots, and the latch is in a "U" shape to lock the two baffle plates.

[0014] Preferably, the outer wall of the sootblowing duct is provided with two positioning grooves, and the two positioning grooves are both threadedly connected with rotating fixing bolts to lock the closing sleeve and the sootblowing duct.

[0015] Preferably, two limiting grooves are provided on one side of the sealing sleeve close to the baffle, the two limiting grooves are respectively connected with the two positioning grooves, and the two locking bolts are respectively clamped in the two limiting grooves to limit the locking bolts.

[0016] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0017] The utility model adjusts the position of the driving motor through the electric guide rail, so that the driving motor drives the sootblowing pipe to pass through the movable groove and the through hole, and then moves the two baffles. After the two baffles are in contact, they are sleeved on the outside of the sootblowing pipe, and the sootblowing pipe discharges steam through the sootblowing port. After the sootblowing pipe is driven to rotate by the driving motor, sootblowing is carried out on the inside of the boiler, and the through hole on the surface of the side wall of the boiler is conveniently closed by the closing sleeve. The through hole can not only allow the sootblowing pipe to move normally, but also be closed with the help of the closing sleeve to prevent the heat inside the boiler from damaging external equipment.

[0018] The utility model assembles the boiler side wall and the bracket by fixing bolts, and when the two baffles are close to each other, the rollers on both sides slide in the slide groove and are locked by means of a latch, so that the closing sleeve is connected to the soot blowing pipe, the limiting groove is corresponding to the positioning groove, and the locking screw inside the limiting groove is rotated so that the locking bolt gradually passes through the limiting groove and enters the positioning groove, which is convenient for connecting the boiler side wall and the bracket to ensure the warmth of the soot blowing pipe during operation, and also convenient for rapid assembly of the closing sleeve and the soot blowing pipe, so that the closing sleeve and the soot blowing pipe can be quickly replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a cutaway stereogram of the utility model;

[0022] Figure 3 It is a sectional stereoscopic view of the boiler side wall of the utility model;

[0023] Figure 4 It is a sectional stereoscopic diagram of the sootblowing duct of the utility model;

[0024] Figure 5 It is a cutaway perspective view of the sealing sleeve of the utility model;

[0025] Description of reference numerals:

[0026] 1. Boiler side wall; 2. Bracket; 3. Electric guide rail; 4. Closing part; 41. Driving motor; 42. Soot blowing pipe; 43. Soot blowing port; 44. Closing sleeve; 45. Through hole; 46. Movable groove; 47. Baffle; 5. Guide rod; 6. Connecting wire; 7. Locking part; 71. Fixing bolt; 72. Slide groove; 73. Roller; 74. Slot; 75. Latch; 76. Positioning groove; 77. Limiting groove; 78. Locking bolt. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] The utility model embodiment discloses an automatic soot blowing mechanism for a steam boiler.

[0029] The utility model provides Figure 1-5 An automatic sootblowing mechanism for a steam boiler is shown, comprising a boiler side wall 1, one side of the boiler side wall 1 being overlapped with a side corresponding to a bracket 2, both sides inside the bracket 2 being fixedly connected to both ends of an electric guide rail 3, a closing component 4 being provided in the inner cavity of the bracket 2, and a locking component 7 being provided inside the boiler side wall 1.

[0030] The closing component 4 includes a driving motor 41 slidably connected to the bottom end of the electric guide rail 3, the output end of the driving motor 41 is drivingly connected to the corresponding end of the soot blowing pipe 42, the outer wall of the soot blowing pipe 42 is provided with two soot blowing ports 43, the other end of the soot blowing pipe 42 is sleeved with a closing sleeve 44, the other side of the boiler side wall 1 is provided with a through hole 45, the closing sleeve 44 is clamped in the through hole 45, the inside of the boiler side wall 1 is provided with a movable groove 46, the movable groove 46 is connected to the through hole 45, and two baffles 47 are slidably connected in the movable groove 46, the opposite surfaces of the two baffles 47 overlap each other, and the opposite surfaces of the two baffles 47 are sleeved on the outer wall of the soot blowing pipe 42.

[0031] The inner sides of the bracket 2 are fixedly connected to the two ends of the guide rod 5 respectively, and the outer wall of the guide rod 5 is sleeved with a connecting wire 6. One side of the drive motor 41 is fixedly connected to the corresponding end of the connecting wire 6, and the other end of the connecting wire 6 is connected to an external power supply device.

[0032] After the bracket 2 is fitted onto the boiler side wall 1, the position of the drive motor 41 can be adjusted through the electric guide rail 3, so that the drive motor 41 drives the sootblowing pipe 42 to pass through the movable groove 46. Since the shape of the closing sleeve 44 is the same as the through hole 45, the sootblowing pipe 42 and the closing sleeve 44 will pass through the through hole 45 together, and then the two baffles 47 inside the movable groove 46 are moved. After the two baffles 47 come into contact, they will be together on the outside of the sootblowing pipe 42. As the electric guide rail 3 continues to drive the sootblowing pipe 42 to move, the connecting line 6 connected to the drive motor 41 will move on the outside of the guide rod 5, and then the drive motor 41 can be started to drive the rotation, so that the sootblowing pipe 42 discharges steam through the sootblowing port 43 and blows soot into the boiler.

[0033] In order to lock the closure sleeve 44, as Figure 1-5 As shown, the locking component 7 includes a plurality of fixing bolts 71 threadedly connected to the surface of the bracket 2, and the plurality of fixing bolts 71 are all threadedly connected through the bracket 2 and the fixing plate extending from the boiler side wall 1. Two slide grooves 72 are provided on both sides of the movable groove 46, and a plurality of rollers 73 are clamped on both sides of the two baffles 47. Both sides of the baffles 47 are slidably connected in the slide grooves 72 through the rollers 73. Two clamping grooves 74 are provided on the side of the baffle 47 close to the drive motor 41, and the same latch 75 is clamped inside the two adjacent clamping grooves 74, and the latch 75 is in a "U" shape. Two positioning grooves 76 are provided on the outer wall of the sootblowing duct 42, and the two positioning grooves 76 are both threadedly connected with the rotating fixing bolts 71. Two limiting grooves 77 are provided on the side of the closing sleeve 44 close to the baffle 47, and the two limiting grooves 77 are respectively connected to the two positioning grooves 76, and two locking bolts 78 are respectively clamped in the two limiting grooves 77.

[0034] The boiler side wall 1 and the bracket 2 are connected by fixing bolts 71. When the two baffles 47 approach each other, the rollers 73 on both sides thereof slide inside the slide groove 72. After the two baffles 47 are brought close together, they can be locked with the help of latches 75. In the process of connecting the closing sleeve 44 with the soot blowing pipe 42, it is necessary to make the limiting groove 77 opened on the closing sleeve 44 correspond to the positioning groove 76 on the outside of the soot blowing pipe 42, and then rotate the locking screw inside the limiting groove 77 so that the locking bolt 78 gradually passes through the limiting groove 77 and enters the positioning groove 76, thereby finally connecting the closing sleeve 44 with the soot blowing pipe 42.

[0035] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An automatic sootblowing mechanism for a steam boiler, comprising a boiler side wall (1), characterized in that: One side of the boiler side wall (1) and one side corresponding to the bracket (2) are overlapped with each other, two sides inside the bracket (2) are respectively fixedly connected to two ends of the electric guide rail (3), the inner cavity of the bracket (2) is provided with a sealing component (4), and the inside of the boiler side wall (1) is provided with a locking component (7); The closing component (4) comprises a driving motor (41) slidably connected to the bottom end of the electric guide rail (3); the output end of the driving motor (41) is drivingly connected to one end of a soot blowing pipe (42); the outer wall of the soot blowing pipe (42) is provided with two soot blowing ports (43); the other end of the soot blowing pipe (42) is sleeved with a closing sleeve (44); the other side of the boiler side wall (1) is provided with a through hole (45); the closing sleeve (44) is snap-fitted into the through hole (45); the inside of the boiler side wall (1) is provided with a movable groove (46); the movable groove (46) is connected to the through hole (45); two baffles (47) are slidably connected in the movable groove (46); the opposite surfaces of the two baffles (47) overlap each other, and the opposite surfaces of the two baffles (47) are sleeved on the outer wall of the soot blowing pipe (42).

2. The automatic sootblowing mechanism for a steam boiler according to claim 1, characterized in that: The inner sides of the bracket (2) are respectively fixedly connected to the two ends of the guide rod (5), the outer wall of the guide rod (5) is sleeved with a connecting wire (6), one side of the drive motor (41) is fixedly connected to the corresponding end of the connecting wire (6), and the other end of the connecting wire (6) is connected to an external power supply device.

3. The automatic sootblowing mechanism for a steam boiler according to claim 1, characterized in that: The locking component (7) comprises a plurality of fixing bolts (71) threadedly connected to the surface of the bracket (2), and the plurality of fixing bolts (71) are all threadedly connected through the bracket (2) and to a fixing plate extending from the boiler side wall (1).

4. The automatic sootblowing mechanism for a steam boiler according to claim 1, characterized in that: Two slide grooves (72) are provided on both sides of the movable groove (46), and a plurality of rollers (73) are clamped on both sides of the two baffles (47). Both sides of the baffles (47) are slidably connected in the slide grooves (72) via the rollers (73).

5. The automatic sootblowing mechanism for a steam boiler according to claim 1, characterized in that: Two slots (74) are formed on one side of the baffle plate (47) close to the drive motor (41), and a same latch (75) is latched inside two adjacent slots (74), and the latch (75) is in a "U" shape.

6. The automatic sootblowing mechanism for a steam boiler according to claim 3, characterized in that: The outer wall of the sootblowing pipe (42) is provided with two positioning grooves (76), and the two positioning grooves (76) are both threadedly connected with rotating fixing bolts (71).

7. The automatic sootblowing mechanism for a steam boiler according to claim 6, characterized in that: Two limiting grooves (77) are formed on one side of the sealing sleeve (44) close to the baffle (47), the two limiting grooves (77) are respectively connected to the two positioning grooves (76), and the two locking bolts (78) are respectively clamped in the two limiting grooves (77).

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