An automatic slag removal device for boiler equipment

Abstract

This solution discloses an automatic slag-clearing device for boiler equipment, comprising a support frame with a fixed rod connected to it. The fixed rod has an installation groove, within which a lead screw is rotatably connected. The lead screw is connected to a motor that drives its rotation. The fixed rod also has a sliding groove communicating with the installation groove. A nut assembly is threaded onto the lead screw, and the nut assembly is connected to a sliding rod, which slides within the sliding groove. The sliding rod is connected to a push rod, which in turn is connected to a bendable slag-clearing rod. This device replaces manual high-intensity work with automated slag clearing, reducing labor intensity, eliminating safety hazards such as high temperature, dust, and high-altitude operations, improving operational safety, and ensuring stable boiler operation, thus meeting the requirements for safe production and efficient operation.

Description

Technical Field

[0001] This utility model relates to the field of boiler equipment technology, and in particular to an automatic slag removal device for boiler equipment. Background Technology

[0002] In the production and operation of thermal power plants, circulating fluidized bed boilers are one of the key pieces of equipment. Taking the YG-180 / 3.82-M type circulating fluidized bed boiler as an example, each circulating fluidized bed boiler was originally designed with 4 slag discharge pipes. During long-term operation, slag blockage in the slag discharge pipes frequently occurred.

[0003] When blockages occur, the traditional methods currently used for unblocking have many drawbacks. Firstly, the unblocking operation is extremely labor-intensive. At least two employees are required to operate on a narrow platform, only 4 meters above the ground and 1.5 meters wide. They must use tools such as 6-meter-long stainless steel bars and sledgehammers to continuously tap and clear the blockage. During this process, employees need to exert continuous force, and prolonged high-intensity work can easily lead to employee fatigue and increase the risk of operational errors.

[0004] On the other hand, the working environment presents serious safety hazards. Due to the extremely high operating temperature of the boiler, the ambient temperature around the slag discharge pipe is also high, making employees highly susceptible to burns when clearing blockages. Furthermore, when the blockage is suddenly cleared, slag can be ejected at high speed, potentially causing serious injury to employees. In addition, the site contains a large amount of dust, which employees inevitably inhale during operations. Long-term accumulation of dust can damage their respiratory system, leading to occupational diseases such as pneumoconiosis, seriously threatening their health.

[0005] Moreover, the confined working space, combined with the multiple hazards of working at heights and in high temperatures, makes the operation extremely unsafe. On the narrow platform, employees face difficulties in operation and movement, and in the event of an accident, such as slipping or losing control of tools, they are highly susceptible to falling from a great height. Furthermore, due to the limited space, employees face difficulties in escaping in the event of an accident, and rescue efforts are slow to commence. This poses a significant risk to safe production and seriously affects the stable operation of the thermal power plant.

[0006] In conclusion, existing methods for unclogging boiler ash drain pipes can no longer meet the requirements for safe production and efficient operation, and a new technical solution is urgently needed to address these issues. Utility Model Content

[0007] The present invention aims to provide an automatic slag removal device for boiler equipment to solve the problems of high labor intensity and high safety risks associated with manual slag removal when existing boilers are clogged.

[0008] An automatic slag clearing device for boiler equipment according to this solution includes a bracket, a fixed rod connected to the bracket, an installation groove on the fixed rod, a lead screw rotatably connected in the installation groove, a motor driving the lead screw to rotate the lead screw, a sliding groove on the fixed rod, the sliding groove communicating with the installation groove, a nut set threadedly connected to the lead screw, a sliding rod connected to the nut set, the sliding rod slidingly connected in the sliding groove, a push rod connected to the sliding rod, and a bendable clearing rod connected to the push rod.

[0009] The working principle and beneficial effects of this solution are as follows: In use, first, firmly place the support on the ground. Insert the end of the bendable unblocking rod into the slag discharge pipe opening. Turn on the motor; the motor outputs power to drive the lead screw to rotate within the mounting groove of the fixed rod. Due to the threaded transmission principle, the nut assembly connected to the lead screw moves linearly along the lead screw axis. Since the nut assembly is connected to a sliding rod, which slides within a groove connected to the mounting groove, the sliding rod moves horizontally within the groove along with the nut assembly. This, in turn, drives the push rod connected to the sliding rod, which in turn drives the unblocking rod to move together. This allows the unblocking rod, driven by the motor, to enter the slag discharge pipe opening, breaking up and discharging the blockage. This automated unblocking device replaces manual labor with machinery, greatly reducing the workload of employees. By starting the motor to unblock the blockage, employees are no longer in dangerous environments with high temperatures, high dust, high altitudes, or confined spaces, effectively avoiding safety risks such as burns, residue spraying, dust inhalation, and falls from heights, significantly improving operational safety. At the same time, the efficient unblocking method ensures the stable operation of the circulating fluidized bed boiler in the thermal power plant, solving the problems of low efficiency and inconvenient operation of manual unblocking, and meeting the dual requirements of modern safe production and efficient operation.

[0010] Furthermore, the nut assembly includes two nuts connected by a nut seat. The two nuts provide greater stability during slide movement, and the nut seat further facilitates smoother movement of the two nuts.

[0011] Furthermore, the push rod is connected to a cylinder that drives its extension and retraction. The cylinder is tilted and fixedly connected to the slide rod, and the extension and retraction end of the cylinder is rotatably connected to the push rod. The slide rod is rotatably connected to the push rod. When the motor drives the unblocking rod into the slag discharge pipe opening but fails to dislodge the blockage, the cylinder can be activated. The cylinder drives the push rod to penetrate towards the slag discharge pipe opening. Since the unblocking rod is bendable, the blockage can be dislodged through the reciprocating motion of the cylinder.

[0012] Furthermore, the bottom of the push rod is equipped with a rotating shaft, and the unblocking rod is rotatably connected to the push rod via a switching mechanism. After the cylinder is started, when the push rod pushes the unblocking rod towards the slag outlet, the unblocking rod and the push rod are rotatably connected, which is more suitable for the movement of the unblocking rod.

[0013] Furthermore, an adjusting block is fixedly connected to the fixed rod. The adjusting block is vertically slidably connected to the bracket and is fixedly connected to the bracket by bolts. Moving the position of the adjusting block on the bracket can adjust the height of the fixed rod.

[0014] Furthermore, the end of the fixing rod is provided with a fixing plate, and the fixing plate has a fixing opening through which the end of the unblocking rod passes. In use, the fixing opening is passed through the slag discharge pipe opening to achieve position fixation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of an automatic slag removal device for boiler equipment according to the present invention;

[0016] Figure 2 for Figure 1 A magnified view of the rear view. Detailed Implementation

[0017] The following detailed explanation illustrates the specific implementation methods:

[0018] The reference numerals in the accompanying drawings of the instruction manual include: motor 1, cylinder 2, slide rod 3, push rod 4, unblocking rod 5, rotating shaft 6, chute 7, slag discharge pipe 8, bracket 9, lead screw 10, nut 11, coupling 12, fixing plate 13, nut seat 14, adjusting block 15, and slag discharge pipe 16.

[0019] The basic implementation examples are as follows: Figure 1 and Figure 2 As shown: An automatic slag clearing device for boiler equipment includes a support 9. An adjusting block 15 is vertically slidably connected to the support 9 and is fixedly connected to the support 9 by bolts. An inclined fixing rod is fixedly connected to the adjusting block 15. A fixing plate 13 is provided at the right end of the fixing rod, and a fixing opening is provided on the fixing plate 13. An axial mounting groove is provided on the fixing rod, and a lead screw 10 is rotatably connected within the mounting groove. The lead screw 10 is connected to a motor 1 via a coupling 12. The housing of the motor 1 is fixedly connected to the fixing rod. A sliding groove 7 is also provided on the fixing rod, communicating with the mounting groove. Two nuts 11 are threaded onto the lever 10. The two nuts 11 are connected by a nut seat 14. A slide rod 3 is fixedly connected to the bottom of the nut seat 14. The slide rod 3 is slidably connected in the slide groove 7. A push rod 4 is connected to the slide rod 3. A rotating shaft 6 is rotatably connected to the bottom of the push rod 4. A bendable unblocking rod 5 is rotatably connected to the push rod 4 through the rotating shaft 6. The end of the unblocking rod 5 passes through the fixed opening. A cylinder 2 that drives the extension and retraction of the push rod 4 is connected to the push rod 4. The cylinder 2 is tilted and fixedly connected to the slide rod 3. The extension and retraction end of the cylinder 2 is rotatably connected to the push rod 4. The slide rod 3 is rotatably connected to the push rod 4.

[0020] By connecting motor 1 and cylinder 2 to the controller, the opening and closing of motor 1 and cylinder 2 can be remotely controlled.

[0021] Before use, adjust the height of the fixing rod according to the actual position of the slag discharge pipe 16 by adjusting the adjusting block 15 vertically slidably connected to the movable bracket 9, and fix the adjusting block 15 to the bracket 9 with bolts. Pass the fixing port on the fixing plate 13 at the end of the fixing rod through the slag discharge pipe opening 8 to achieve the initial positioning of the device. In use, insert the end of the bendable unblocking rod 5 through the fixing port into the slag discharge pipe opening 8. Turn on the motor 1, and the motor 1 outputs power to drive the lead screw 10 to rotate in the mounting groove of the fixing rod. The two nuts 11, which are threadedly connected to the lead screw 10, move linearly along the axis of the lead screw 10 due to the thread transmission principle. The two nuts 11 drive the nut seat 14 and the slide rod 3 fixedly connected to the nut seat 14 to move horizontally in the slide groove 7 connected to the mounting groove, thereby driving the push rod 4 connected to the slide rod 3 and the unblocking rod 5 connected to the push rod 4 to move together, so that the unblocking rod 5 enters the slag discharge pipe opening 8 under the drive of the motor 1, puncturing and discharging the blockage. If the motor 1 drives the unblocking rod 5 into the slag outlet 8 but fails to dislodge the blockage, the cylinder 2, tilted and fixed to the slide rod 3, can be activated. The telescopic end of the cylinder 2 drives the push rod 4 to penetrate the slag outlet 8. Because the rotating shaft 6 at the bottom of the push rod 4 connects the unblocking rod 5 to the push rod 4, and the unblocking rod 5 itself is flexible and bendable, the reciprocating motion of the cylinder 2 can more flexibly dislodge the blockage until the unblocking work is completed. This automatic unblocking device replaces manual labor with mechanical methods, greatly reducing the labor intensity of employees. Unblocking is performed remotely, eliminating the need for employees to be in dangerous environments with high temperatures, high dust levels, high altitudes, or confined spaces, effectively avoiding safety risks such as burns, residue spraying, dust inhalation, and falls from heights, significantly improving operational safety. Simultaneously, the efficient unblocking method ensures the stable operation of the circulating fluidized bed boiler in the thermal power plant, solving the problems of low efficiency and inconvenient operation associated with manual unblocking, and meeting the dual requirements of modern safe production and efficient operation.

[0022] The above descriptions are merely embodiments of this utility model, and common knowledge regarding specific structures and characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A boiler equipment slagging automatic unblocking device, characterized in that: The device includes a bracket with a fixed rod connected to it. The fixed rod has a mounting groove, and a lead screw is rotatably connected to the mounting groove. The lead screw is connected to a motor that drives the lead screw to rotate. The fixed rod also has a sliding groove that communicates with the mounting groove. A nut assembly is threaded onto the lead screw, and a sliding rod is connected to the nut assembly. The sliding rod is slidably connected within the sliding groove. The sliding rod is connected to a push rod, and the push rod is connected to a bendable unblocking rod.

2. A device for automatic desludging of a boiler installation according to claim 1, characterized in that The nut assembly includes two nuts connected by a nut seat.

3. A device for automatic desludging of a boiler installation according to claim 2, characterized in that: The push rod is connected to a cylinder that drives its extension and retraction. The cylinder is fixedly connected to the slide rod at an angle. The extension and retraction end of the cylinder is rotatably connected to the push rod, and the slide rod is rotatably connected to the push rod.

4. A device for automatic desludging of a boiler installation according to claim 3, characterized in that: The bottom of the push rod is equipped with a pivot, and the unblocking rod is rotatably connected to the push rod via a conversion mechanism.

5. The automatic slag removal device for boiler equipment according to claim 4, characterized in that: An adjusting block is fixedly connected to the fixed rod. The adjusting block is vertically slidably connected to the bracket and is fixedly connected to the bracket by bolts.

6. A device for automatic desludging of a boiler installation according to claim 5, characterized in that: The end of the fixed rod is provided with a fixed plate, and the fixed plate is provided with a fixed opening, through which the end of the unblocking rod passes.

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