Pulverized coal conveying pipeline insertion plate door structure

Abstract

The utility model relates to the technical field of inserting plate doors, and discloses a pulverized coal conveying pipeline inserting plate door structure which comprises a first pipeline, a plurality of grooves are formed in the front side of the first pipeline, first fixing blocks are fixedly connected to the inner sides of the grooves, and springs are fixedly connected to the front sides of the first fixing blocks. Second fixing blocks are fixedly connected to the front sides of the springs, inserting blocks are fixedly connected to the front sides of the second fixing blocks, an inserting plate is arranged on the front side of the first pipeline, a fixing ring is fixedly connected to the outer wall of the inserting plate, a plurality of inserting grooves are formed in the rear side of the fixing ring, and the outer walls of the inserting blocks are arranged on the inner sides of the inserting grooves. And a pipeline II is slidably connected to the front side of the insertion plate. According to the utility model, the groove, the fixing block, the spring and the inserting block are arranged on the first pipeline, and the fixing ring and the inserting groove are arranged on the inserting plate, so that the inserting plate is tightly attached to the pipeline, and the sealing effect between the inserting plate and the pipeline is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of flap gates, in particular to a flap gate structure for a pulverized coal conveying pipeline. Background Technique

[0002] Pulverized coal is an extremely fine coal particle, which is prepared by converting coal through a fine grinding process into a powdery form. This powdery pulverized coal has a high surface area to volume ratio, which means that it can come into full contact with oxygen in the air during combustion, thus significantly improving the combustion efficiency. Due to its high combustion efficiency, pulverized coal has been widely used in the fields of industrial production and energy production.

[0003] In order to effectively transport such fine pulverized coal particles, a special conveying pipeline system, namely a pulverized coal conveying pipeline, is designed. This pipeline system can ensure that the pulverized coal flows evenly during transportation, avoiding blockage and leakage, thus ensuring the smoothness and safety of the entire transportation process. An insertion plate gate is provided in the pipeline. When maintenance, repair or troubleshooting is required for a certain section of the pipeline or equipment, the insertion plate gate needs to be closed to isolate the part to be maintained from other operating systems. Therefore, the design of the insertion plate gate in the pulverized coal conveying pipeline is crucial.

[0004] Traditional insertion plate gates for pulverized coal conveying pipelines use simple planar fitting or rubber gaskets to achieve sealing. After long-term use or frequent opening and closing operations, this sealing method is prone to wear and deformation, resulting in poor sealing and an increased risk of pulverized coal leakage. Therefore, an insertion plate gate structure for a pulverized coal conveying pipeline is proposed to solve the above problems. Content of the Utility Model

[0005] In order to make up for the above deficiencies, the utility model provides an insertion plate gate structure for a pulverized coal conveying pipeline, aiming to improve the problem of easy wear in the prior art by using simple planar fitting or rubber gaskets to achieve sealing.

[0006] To achieve the above object, the utility model adopts the following technical solutions: A plug valve structure for a pulverized coal conveying pipeline, including a first pipeline. A plurality of grooves are provided on the front side of the first pipeline. A first fixing block is fixedly connected to the inner side of each of the plurality of grooves. A spring is fixedly connected to the front side of each of the plurality of first fixing blocks. A second fixing block is fixedly connected to the front side of each of the plurality of springs. An insertion block is fixedly connected to the front side of each of the plurality of second fixing blocks. A plug plate is arranged on the front side of the first pipeline. A fixing ring is fixedly connected to the outer wall of the plug plate. A plurality of slots are provided on the rear side of the fixing ring. The outer walls of the plurality of insertion blocks are arranged inside the slots. A second pipeline is slidably connected to the front side of the plug plate. A telescopic assembly is arranged on the left side of the plug plate. A frame body is arranged on the left side of the plug plate. The outer wall of the plug plate is slidably connected to the inside of the frame body. A dust suction mechanism is arranged inside the frame body. The dust suction mechanism is used to suck away the residual coal ash on the plug plate to ensure the cleanliness of the plug plate.

[0007] As a further description of the above technical solution:

[0008] The dust suction mechanism includes a sliding groove, which is provided inside the frame body. A plurality of openings are provided on the front and rear sides of the outer wall of the frame body. A collection box is slidably connected to the inside of each of the plurality of openings. An electrostatic adsorption strip is fixedly connected to the inside of each of the plurality of collection boxes. A pull rod is fixedly connected to the outer wall of each of the plurality of collection boxes.

[0009] As a further description of the above technical solution:

[0010] The telescopic assembly includes a cylinder. One end of the cylinder is fixedly connected to a push rod. The right side of the push rod is fixedly connected to the left side of the outer wall of the fixing ring.

[0011] As a further description of the above technical solution:

[0012] A handle is fixedly connected to the outer wall of each of the plurality of pull rods. The outer wall of the handle is made of rubber material.

[0013] As a further description of the above technical solution:

[0014] A sealing ring is fixedly connected to the outer wall of each of the plurality of collection boxes. The outer walls of the plurality of sealing rings are slidably connected to the inside of the openings.

[0015] As a further description of the above technical solution:

[0016] A first support rod is fixedly connected to the top of the outer wall of the cylinder. The right side of the first support rod is fixedly connected to the left side of the frame body.

[0017] As a further description of the above technical solution:

[0018] The bottom of the outer wall of the cylinder is fixedly connected with a second support rod, and the right side of the second support rod is fixedly connected to the left side of the frame.

[0019] As a further description of the above technical solution:

[0020] A triangle is formed among the second support rod, the first support rod and the cylinder.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, through the structures of arranging grooves, fixing blocks, springs, inserting blocks on the first pipeline and arranging fixing rings and inserting slots on the inserting plate, the inserting plate is tightly attached to the pipeline, ensuring the sealing effect between the inserting plate and the pipeline, and being able to maintain good sealing performance during frequent opening and closing operations, reducing the possibility of pulverized coal leakage.

[0023] 2. In the utility model, static adsorption strips are arranged in the collection box inside the frame to adsorb pulverized coal. A collection box with a pull rod and a handle is designed, which is convenient for the collection and cleaning of pulverized coal. Using the principle of static adsorption, the pulverized coal remaining on the inserting plate can be efficiently adsorbed, ensuring the cleanliness of the inserting plate, thereby prolonging the service life of the equipment. Description of the Drawings

[0024] Figure 1 is a three-dimensional schematic diagram of a structure of a pulverized coal conveying pipeline plug door proposed by the utility model;

[0025] Figure 2 is a partial structure schematic diagram of a structure of a pulverized coal conveying pipeline plug door proposed by the utility model;

[0026] Figure 3 is a partial exploded view of a structure of a pulverized coal conveying pipeline plug door proposed by the utility model;

[0027] Figure 4 is a structure schematic diagram of an ash suction mechanism of a structure of a pulverized coal conveying pipeline plug door proposed by the utility model;

[0028] Figure 5 is Figure 2 the front view of.

[0029] Legend Explanation:

[0030] 1. First pipeline; 2. Ash suction mechanism; 201. Opening; 202. Collection box; 203. Static adsorption strip; 204. Sliding groove; 205. Pull rod; 206. Handle; 207. Sealing ring; 3. Second pipeline; 4. Inserting plate; 5. Fixing ring; 6. Groove; 7. First fixing block; 8. Spring; 9. Second fixing block; 10. Inserting block; 11. Inserting slot; 12. Cylinder; 13. Push rod; 14. First support rod; 15. Frame; 16. Second support rod. Specific embodiments

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] Refer to the attached Figure 2 and the attached Figure 3 and the attached Figure 5 As shown in the figures, an embodiment provided by the present utility model is a structure of a plug valve for a pulverized coal conveying pipeline, including a first pipeline 1. A plurality of grooves 6 are formed on the front side of the first pipeline 1. A first fixing block 7 is fixedly connected to the inner side of each of the plurality of grooves 6. A spring 8 is fixedly connected to the front side of each of the plurality of first fixing blocks 7. A second fixing block 9 is fixedly connected to the front side of each of the plurality of springs 8. An insertion block 10 is fixedly connected to the front side of each of the plurality of second fixing blocks 9. A plug plate 4 is arranged on the front side of the first pipeline 1. A fixing ring 5 is fixedly connected to the outer wall of the plug plate 4. A plurality of slots 11 are formed on the rear side of the fixing ring 5. The outer walls of the plurality of insertion blocks 10 are arranged inside the slots 11, enhancing the sealing effect between the first pipeline 1 and the plug plate 4. A second pipeline 3 is slidably connected to the front side of the plug plate 4. A telescopic assembly is arranged on the left side of the plug plate 4. A frame 15 is arranged on the left side of the plug plate 4. The outer wall of the plug plate 4 is slidably connected to the inside of the frame 15. A dust suction mechanism 2 is arranged inside the frame 15. The dust suction mechanism 2 is used to suck away the residual coal ash on the plug plate 4 to ensure the cleanliness of the plug plate 4. The telescopic assembly includes a cylinder 12. One end of the cylinder 12 is fixedly connected to a push rod 13. The right side of the push rod 13 is fixedly connected to the left side of the outer wall of the fixing ring 5, making the movement operation of the plug plate 4 more convenient through the cylinder 12 and the push rod 13.

[0033] Specifically, in the plurality of grooves 6 on the front side of the first pipeline 1, the structure composed of the first fixing block 7, the spring 8, the second fixing block 9, and the insertion block 10 makes the insertion block 10 tightly inserted into the slot 11 of the fixing ring 5 on the plug plate 4 through the elastic force of the spring 8. This design can enhance the sealing effect between the first pipeline 1 and the plug plate 4, effectively reducing the possibility of pulverized coal leakage at the connection, ensuring the tightness of the pulverized coal conveying process, and avoiding environmental pollution and resource waste caused by pulverized coal leakage. The cylinder 12 pushes the push rod 13, driving the fixing ring 5 and the plug plate 4 to move, realizing the opening and closing of the plug valve. This design eliminates the need for manual direct operation of the plug plate 4, reducing the labor intensity, improving the accuracy and efficiency of the operation, and enabling the operator to more easily control the on-off of the pulverized coal conveying.

[0034] Refer to the attached Figure 4, the dust suction mechanism 2 includes a sliding groove 204 which is opened on the inner side of the frame body 15. A plurality of openings 201 are opened on the front and rear sides of the outer wall of the frame body 15. A collection box 202 is slidably connected to the inner side of each of the plurality of openings 201. An electrostatic adsorption strip 203 is fixedly connected to the inner side of each of the plurality of collection boxes 202. By using the electrostatic principle, the residual coal ash on the plug board 4 can be effectively adsorbed. A pull rod 205 is fixedly connected to the outer wall of each of the plurality of collection boxes 202; a handle 206 is fixedly connected to the outer wall of each of the plurality of pull rods 205. The outer wall of the handle 206 is made of rubber material, which has good anti-slip performance and comfort; a sealing ring 207 is fixedly connected to the outer wall of each of the plurality of collection boxes 202. The outer wall of each of the plurality of sealing rings 207 is slidably connected to the inner side of the opening 201, effectively preventing the coal ash from leaking out from the gap between the collection box 202 and the opening 201 during the dust suction process;

[0035] Specifically, the electrostatic adsorption strip 203 inside the collection box 202 can use the electrostatic principle to effectively adsorb the residual coal ash on the plug board 4, ensuring the cleanliness of the plug board 4, thereby ensuring the normal operation of the plug board 4. The opening 201 on the outer wall of the frame body 15 is slidably connected to the collection box 202, and the collection box 202 is connected with a pull rod 205 and a handle 206, making the disassembly and installation of the collection box 202 very convenient. When the coal ash in the collection box 202 accumulates to a certain extent, the operator only needs to hold the handle 206 and pull the pull rod 205 to easily pull out the collection box 202 from the opening 201 for cleaning or replacement, reducing the maintenance difficulty and time cost.

[0036] Refer to the appendix Figure 1 , a first support rod 14 is fixedly connected to the top of the outer wall of the cylinder 12, and the right side of the first support rod 14 is fixedly connected to the left side of the frame body 15; a second support rod 16 is fixedly connected to the bottom of the outer wall of the cylinder 12, and the right side of the second support rod 16 is fixedly connected to the left side of the frame body 15; a triangle is formed between the second support rod 16, the first support rod 14 and the cylinder 12. When the cylinder 12 works, the generated force can be evenly transmitted to the frame body 15 through the first support rod 14 and the second support rod 16, reducing the situation of local stress concentration, reducing the risk of component damage due to uneven force, and improving the reliability and durability of the entire device;

[0037] Specifically, a triangle is formed between the second support rod 16, the first support rod 14 and the cylinder 12, which has unique stability advantages in mechanics, effectively enhancing the stability of the cylinder 12 during the working process, so that when it pushes the push rod 13 to drive the plug board 4 to move, it will not easily shake or shift, thereby ensuring the smoothness and accuracy of the movement of the plug board 4.

[0038] Working principle: When the plug board 4 is in the open state, pulverized coal can be normally conveyed in pipeline 1 and pipeline 2. At this time, the plug block 10 is in the extended state under the action of the spring 8. When it is necessary to close the plug door, the cylinder 12 is started. The cylinder 12 pushes the push rod 13 to move to the right. Since the push rod 13 is connected to the fixed ring 5, the fixed ring 5 and the plug board 4 as a whole move to the right. As the plug board 4 moves to the right, the fixed ring 5 on the plug board 4 gradually approaches the plug block 10 on the front side of pipeline 1. When the rear wall of the fixed ring 5 contacts the plug block 10, the plug block 10 receives the thrust from the fixed ring 5. Since the plug block 10 is connected to the fixed block 1 7 through the fixed block 2 9 and the spring 8, under the action of this thrust, the spring 8 is compressed, and the plug block 10 retracts into the groove 6. The plug board 4 continues to move to the right. When the plug block 10 is aligned with the slot 11 on the fixed ring 5, the spring 8 resumes the extended state and pushes the plug block 10 into the slot 11. At this time, the plug board 4 is in close contact with pipeline 1, and the conveying channel of pulverized coal is cut off. When it is necessary to open the plug door, the cylinder 12 works in the reverse direction and pulls the push rod 13 to move to the left. The push rod 13 drives the fixed ring 5 and the plug board 4 to move to the left. During the movement of the plug board 4 to the left, the plug block 10 is again compressed by the spring 8 under the thrust of the fixed ring 5 and withdraws from the slot 11. As the plug board 4 continues to move to the left, the plug block 10 completely disengages from the slot 11, and the plug board 4 gradually opens, and the pulverized coal conveying channel resumes unobstructed;

[0039] When the plug board 4 moves within the frame body 15, the static adsorption strips 203 in the multiple collection boxes 202 inside the frame body 15 are in the working state. The static adsorption strips 203 are charged with static electricity. When pulverized coal particles pass by, due to electrostatic induction, the pulverized coal will be adsorbed onto the static adsorption strips 203. When the pulverized coal in the transparent collection box 202 accumulates to a certain extent and needs to be cleaned, the operator holds the handle 206 and pulls the collection box 202 out of the opening 201 through the pull rod 205. Then, the pulverized coal in the collection box 202 can be poured out or other cleaning operations can be carried out. After the cleaning is completed, the collection box 202 is pushed back to its original position through the opening 201, and the adsorption and collection of pulverized coal continue;

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gate structure for a coal powder conveying pipeline, comprising a pipeline (1), characterized in that: The front side of the pipe 1 (1) is provided with a plurality of grooves (6), the inner sides of the plurality of grooves (6) are fixedly connected with a fixing block 1 (7), the front sides of the plurality of fixing blocks 1 (7) are fixedly connected with a spring (8), the front sides of the plurality of springs (8) are fixedly connected with a fixing block 2 (9), the front sides of the plurality of fixing blocks 2 (9) are fixedly connected with an insert block (10), the front side of the pipe 1 (1) is provided with an insert plate (4), the outer wall of the insert plate (4) is fixedly connected with a fixing ring (5), the rear side of the fixing ring (5) is provided with There are a plurality of slots (11), the outer walls of the plurality of plug blocks (10) are arranged on the inner side of the slots (11), the front side of the plug board (4) is slidably connected with a pipe 2 (3), the left side of the plug board (4) is provided with a telescopic component, the left side of the plug board (4) is provided with a frame (15), the outer wall of the plug board (4) is slidably connected to the inner side of the frame (15), the inner side of the frame (15) is provided with an ash suction mechanism (2), the ash suction mechanism (2) is used to suck away the coal ash remaining on the plug board (4) to ensure that the plug board (4) is clean.

2. A pulverized coal conveying pipeline gate structure according to claim 1, characterized in that: The dust suction mechanism (2) comprises a sliding groove (204), wherein the sliding groove (204) is provided on the inner side of the frame (15), and the outer wall of the frame (15) is provided with a plurality of openings (201) on the front and rear sides, and the inner sides of the plurality of openings (201) are slidably connected to a collection box (202), and the inner sides of the plurality of collection boxes (202) are fixedly connected to an electrostatic adsorption strip (203), and the outer walls of the plurality of collection boxes (202) are fixedly connected to a pull rod (205).

3. The pulverized coal conveying pipeline gate structure according to claim 1 is characterized in that: The telescopic assembly comprises a cylinder (12), one end of the cylinder (12) is fixedly connected to a push rod (13), and the right side of the push rod (13) is fixedly connected to the left side of the outer wall of the fixing ring (5).

4. A pulverized coal conveying pipeline gate structure according to claim 2, characterized in that: The outer walls of the plurality of pull rods (205) are fixedly connected with a handle (206), and the outer wall of the handle (206) is made of rubber material.

5. The pulverized coal conveying pipeline gate structure according to claim 2 is characterized in that: The outer walls of the plurality of collection boxes (202) are all fixedly connected with sealing rings (207), and the outer walls of the plurality of sealing rings (207) are all slidably connected to the inner side of the opening (201).

6. The pulverized coal conveying pipeline gate structure according to claim 3 is characterized by: A support rod 1 (14) is fixedly connected to the top of the outer wall of the cylinder (12), and the right side of the support rod 1 (14) is fixedly connected to the left side of the frame (15).

7. The pulverized coal conveying pipeline gate structure according to claim 3 is characterized by: A second support rod (16) is fixedly connected to the bottom of the outer wall of the cylinder (12), and the right side of the second support rod (16) is fixedly connected to the left side of the frame (15).

8. The pulverized coal conveying pipeline gate structure according to claim 7, characterized in that: The second support rod (16), the first support rod (14) and the cylinder (12) form a triangle.

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