Dredging tool for slag falling pipe of boiler

Abstract

The utility model relates to a pipeline dredging tool, in particular to a boiler slag falling pipe dredging tool. The utility model provides a boiler slag falling pipe dredging tool with a convenient dredging function. The device comprises a slag falling pipe, a connecting sleeve, a rotary material stirring assembly, a dredging assembly and the like, the slag falling pipe is divided into an upper section and a lower section, the upper section and the lower section of the slag falling pipe are connected and communicated through the connecting sleeve, and the connecting sleeve is provided with the rotary material stirring assembly and the dredging assembly which are used for dredging and cleaning slag blocking points. When a large number of slag blocking points are accumulated, a material stirring piece can rotate to automatically dredge and clean the slag blocking points through the cooperation of a rotary material stirring assembly and a dredging assembly, and meanwhile, a dredging piece can be driven to automatically move up and down to dredge the slag blocking points through the cooperation of a stirring structure, so that the dredging efficiency of the slag blocking points is improved, and the dredging efficiency of the slag blocking points is improved. Therefore, the problem of blockage of the slag falling pipe is quickly solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipeline dredging tool, in particular to a boiler slag falling pipe dredging tool. BACKGROUND

[0002] When the circulating fluidized bed boiler is in the running process, due to the furnace of the boiler is in the positive pressure state, and the fuel coal in the furnace is large or partial fluidization is poor, which leads to the boiler slag falling pipe blockage. And for the boiler, when the blockage occurs, due to the installation position and installation angle of the cold slag machine of various manufacturers are different, which leads to the dredging tool is different, and the dredging difficulty is large. After the blockage, the wind of the slag falling pipe spouts with 800-900 DEG C red slag, which exists great scalding risk, and also brings environmental pollution and additional workload problems.

[0003] The existing mode is dredged by manual use of steel bars or manual dredging by using the lever principle, and both of the two modes need manual operation, and the personnel on-site operation contacts the red slag, which still exists great safety risk, and the dredging effect is poor. And relying on manual force cannot break or remove the blockage, only short-term operation is maintained, so that the manual dredging cycle is long.

[0004] Therefore, the utility model provides a boiler slag falling pipe dredging tool with convenient dredging function to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of the existing mode, such as safety and low dredging efficiency, the technical problem to be solved is to provide a boiler slag falling pipe dredging tool with convenient dredging function.

[0006] The utility model discloses a boiler slag falling pipe dredging tool, including furnace, air cap, air chamber, slag falling pipe, slag falling hand door, slag falling pneumatic door, slag inlet pipe, slag poking opening, cold slag machine and air cannon, still including connecting sleeve, rotation stirring assembly and dredging assembly, the connecting sleeve is provided with respectively for the rotation stirring assembly and dredging assembly of the blockage point dredging cleaning, the rotation stirring assembly includes motor, gear, outer gear ring and stirring piece, the slag falling pipe is divided into upper and lower two section type structure design, the upper section and the lower section of the slag falling pipe are connected and communicate through the connecting sleeve, the motor is installed on the outer side of the connecting sleeve through the support, the output shaft of the motor is sleeved with the gear, the outer gear ring is rotatably connected between the upper and lower two sections of the slag falling pipe, and the gear is engaged with the outer gear ring, the inner side of the outer gear ring is connected with the stirring piece for dredging cleaning the blockage point.

[0007] As a further improvement of the above technical solution, the upper part of the stirring piece is gradually changed into a spiral structure design from narrow to wide, and the lower part of the stirring piece is a vertical structure design.

[0008] As a further improvement of the above technical solution, the stirring member extends upward to the port of the upper section of the slag falling pipe.

[0009] As a further improvement of the above technical solution, the dredging assembly comprises a guide sleeve, a dredging member, an elastic member and a stirring structure, the inner wall of the lower section of the slag falling pipe is connected with the guide sleeve, the dredging member is slidably connected to the guide sleeve and can move up and down, the elastic member is connected between the dredging member and the guide sleeve, and the stirring structure is connected between the dredging member and the stirring member.

[0010] As a further improvement of the above technical solution, the stirring structure comprises a wedge-shaped rod and a stirring rod, the lower end of the stirring member is connected with the stirring rod, the middle part of the dredging member is provided with the wedge-shaped rod, and the stirring rod can rotate to move the wedge-shaped rod upward.

[0011] As a further improvement of the above technical solution, the top end of the dredging member is designed in a sharp corner structure.

[0012] Beneficial effects: when the slag blocking point accumulates more, the cooperation of the rotating stirring assembly and the dredging assembly can make the stirring member rotate to automatically dredge and clean the slag blocking point, meanwhile, the cooperation of the stirring structure can drive the dredging member to automatically move up and down to dredge the slag blocking point, which is beneficial to improve the dredging efficiency of the slag blocking point, thereby rapidly solving the problem of the slag falling pipe blockage. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a sectional view of the hearth of the utility model.

[0014] Figure 2 It is a connection structure schematic view of the rotating stirring assembly and the dredging assembly of the utility model.

[0015] Figure 3 It is a sectional view of the slag falling pipe and the connecting sleeve of the utility model.

[0016] Figure 4 It is a position relation schematic view of the dredging assembly and the stirring member of the utility model.

[0017] Figure 5 It is a local structure schematic view of the dredging assembly of the utility model.

[0018] In the drawing, it is marked as: 1-hearth, 2-air cap, 3-air chamber, 4-slag falling pipe, 5-slag falling manual door, 6-slag falling pneumatic door, 7-slag feeding guide pipe, 70-slag poking port, 8-slag cooler, 9-air cannon, 10-connecting sleeve, 11-motor, 12-gear, 13-outer gear ring, 14-stirring member, 15-guide sleeve, 16-dredging member, 17-elastic member, 18-wedge-shaped rod, 19-stirring rod, a-slag blocking point. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In addition, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0021] Embodiment: The boiler slag pipe dredging tool provided by the present application, referring to Figures 1 to 5As shown, it comprises a hearth 1, a hood 2, an air chamber 3, a slag falling pipe 4, a slag falling manual door 5, a slag falling pneumatic door 6, a slag feeding guide pipe 7, a slag poking opening 70, a slag cooler 8, an air cannon 9, a connecting sleeve 10, a rotating poking assembly and a dredging assembly, the hood 2 is distributed on the inner bottom of the hearth 1, the air chamber 3 is arranged on the outside of the bottom of the hearth 1 and is communicated with the hood 2, the slag falling pipe 4 is arranged on the bottom of the hearth 1, wherein the slag falling pipe 4 is designed in a two-section structure, the upper section and the lower section of the slag falling pipe 4 are connected and communicated through the connecting sleeve 10, the upper section of the slag falling pipe 4 and the connecting sleeve 10 are located in the air chamber 3, the slag falling manual door 5 and the slag falling pneumatic door 6 are arranged on the middle and lower parts of the slag falling pipe 4 respectively, the slag feeding guide pipe 7 is connected and communicated with the lower end of the slag falling pipe 4, the slag poking opening 70 is connected and communicated on the slag feeding guide pipe 7, the lower end of the slag feeding guide pipe 7 is connected to the slag cooler 8, the air cannon 9 is connected and communicated with the middle part of the lower section of the slag falling pipe 4, the rotating poking assembly and the dredging assembly for dredging and cleaning the slag blocking point a are arranged on the connecting sleeve 10, the rotating poking assembly comprises a motor 11, a gear 12, an outer gear ring 13 and a poking piece 14, the motor 11 is installed on the outside of the connecting sleeve 10 through a support, the gear 12 is sleeved on the output shaft of the motor 11, the outer gear ring 13 is rotatably connected between the upper and lower sections of the slag falling pipe 4, the gear 12 is engaged with the outer gear ring 13, and the poking piece 14 is connected to the inside of the outer gear ring 13, wherein the middle upper part of the poking piece 14 is designed in a tapered spiral structure with the upper part being narrow and the lower part being wide, the lower part of the poking piece 14 is designed in a vertical structure, which is beneficial to automatically push the slag of the slag blocking point a downward and beneficial to conveniently dredge.

[0022] Referring to Figures 1 to 5 As shown, the dredging assembly comprises a guide sleeve 15, a dredging piece 16, a resilient piece 17 and a poking structure, the guide sleeve 15 is connected to the inner wall of the lower section of the slag falling pipe 4, and the dredging piece 16 which can move up and down is slidably connected to the guide sleeve 15; and the top end of the dredging piece 16 is designed in a sharp angle, which makes the dredging piece 16 more efficient when penetrating and crushing the blockage; through the rotation of the poking piece 14 and the up-and-down movement of the dredging piece 16, the slag blocking point a is gradually dredged and cleaned, thereby being beneficial to ensuring the smoothness of the slag falling pipe 4; the resilient piece 17 is connected between the dredging piece 16 and the guide sleeve 15, and the poking structure is connected between the dredging piece 16 and the poking piece 14, the resilient piece 17 is a compression spring and is used to reset the dredging piece 16 in cooperation with the poking structure; the poking structure comprises a wedge-shaped rod 18 and a poking rod 19, the poking rod 19 is connected to the lower end of the poking piece 14, the wedge-shaped rod 18 is arranged in the middle of the dredging piece 16, and the poking rod 19 can move the wedge-shaped rod 18 upward by rotating to enable the poking piece 14 to dredge and clean the slag blocking point a upward and downward.

[0023] When the slag blocking point a is accumulated too much to be normally discharged, the motor 11 is controlled to drive the gear 12 on the output shaft to rotate, the gear 12 and the outer gear ring 13 are in transmission meshing, so that the outer gear ring 13 drives the stirring piece 14 on it to rotate synchronously to dredge the blockage in the slag falling pipe 4; since the stirring piece 14 is designed in a spiral shape with narrow top and wide bottom, the blockage can be effectively pushed to move downward, so as to achieve the purpose of dredging the accumulated slag blocking point a. At the same time, the stirring rod 19 at the lower end of the stirring piece 14 will continuously contact the wedge-shaped rod 18 in the middle of the dredging piece 16 during the rotation process, due to the special shape design of the wedge-shaped rod 18, the rotation action of the stirring rod 19 can be converted into the up-down movement of the wedge-shaped rod 18 and the dredging piece 16, so as to clean the accumulated slag blocking point a completely, which is beneficial to further enhance the dredging effect; in addition, the lower slag pneumatic valve can be remotely closed, and the air cannon 9 is controlled to use the pressure release moment of the air cannon 9 to rush open the slag blocking point a, so as to completely discharge the residual slag in the furnace 1 of the boiler.

[0024] The above embodiments are provided for those skilled in the art to implement or use the utility model, those skilled in the art can make various modifications or changes to the above embodiments without departing from the utility model idea of the utility model, therefore the protection scope of the utility model is not limited by the above embodiments, but should be the maximum scope meeting the innovative features mentioned in the claims.

Claims

1. A boiler ash discharge pipe clearing tool, comprising a furnace (1), an air cap (2), an air chamber (3), an ash discharge pipe (4), a manual ash discharge door (5), a pneumatic ash discharge door (6), an ash inlet guide pipe (7), an ash shoveling port (70), a ash cooler (8), and an air cannon (9), characterized in that, It also includes a connecting sleeve (10), a rotating material-dispensing assembly and a dredging assembly. The connecting sleeve (10) is respectively provided with a rotating material-dispensing assembly and a dredging assembly for dredging and cleaning the blockage point (a). The rotating material-dispensing assembly includes a motor (11), a gear (12), an external gear ring (13) and a material-dispensing component (14). The slag pipe (4) is divided into an upper and lower section structure design. The upper and lower sections of the slag pipe (4) are connected and communicated through the connecting sleeve (10). The motor (11) is installed on the outside of the connecting sleeve (10) through a bracket. The output shaft of the motor (11) is fitted with a gear (12). The upper and lower sections of the slag pipe (4) are rotatably connected to the external gear ring (13), and the gear (12) meshes with the external gear ring (13). The material-dispensing component (14) for dredging and cleaning the blockage point (a) is connected to the inside of the external gear ring (13).

2. A boiler ash removal tool according to claim 1, characterized in that, The upper part of the feeding component (14) has a gradually changing spiral structure design with a narrower upper part and a wider lower part, and the lower part of the feeding component (14) has a vertical structure design.

3. A boiler slag pipe unblocking tool according to claim 1, characterized in that, The material feeding component (14) extends upward to the port of the upper section of the slag discharge pipe (4).

4. A boiler slag pipe unblocking tool according to claim 1, characterized in that, The unblocking assembly includes a guide sleeve (15), an unblocking component (16), an elastic component (17), and a prying structure. The inner wall of the lower section of the slag pipe (4) is connected to the guide sleeve (15). The unblocking component (16) that can move up and down is slidably connected to the guide sleeve (15). The elastic component (17) is connected between the unblocking component (16) and the guide sleeve (15). The prying structure is connected between the unblocking component (16) and the material-pushing component (14).

5. A boiler slag pipe unblocking tool according to claim 4, characterized in that, The actuating structure includes a wedge rod (18) and a lever (19). The lower end of the actuating component (14) is connected to the lever (19). The middle part of the unblocking component (16) is provided with a wedge rod (18), and the lever (19) can rotate to move the wedge rod (18) upward.

6. A boiler slag pipe unblocking tool according to claim 4, characterized in that, The top of the unblocking component (16) is designed with a pointed corner.

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