Carbon removal device for diketene cracking furnace

Abstract

The utility model belongs to the technical field of carbon removal devices, and particularly relates to a diketene cracking furnace carbon removal device which comprises a cooling box, a fixing frame is fixedly connected to the upper surface of the cooling box, clamping grooves are formed in the opposite sides of the interior of the fixing frame, and an air inlet pipe is fixedly connected to the upper surface of the fixing frame. Two gas-phase pipelines are slidably connected to the interior of the fixed frame, and two first sliding grooves are formed in the upper surface of the fixed frame. Through the arrangement of the fixed frame, the gas-phase pipelines, a second servo motor, a second threaded rod, a second L-shaped sliding column and the like, the second servo motor drives the threaded rod to rotate; the second threaded rod drives the second L-shaped sliding column to move, the second L-shaped sliding column drives the two gas-phase pipelines to move, one gas-phase pipeline with carbon deposition is moved to one side, the other gas-phase pipeline is moved to the position below the gas inlet pipe, the time for removing the carbon from the gas-phase pipelines is saved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of decarbonization devices, in particular to a decarbonization device for a diketene cracking furnace. Background Art

[0002] Diketene is an advanced acylating agent, which is widely used in the chemical industry and has certain applications in industries such as pigments, feeds, pharmaceuticals, and food additives. However, in the production of diketene, there is a section of pipeline that is prone to carbon deposition after acetic acid cracking and before cooling, and thus decarbonization is required.

[0003] However, in existing equipment, most of them shut down the machine and manually remove the pipeline for decarbonization. Removing the pipeline wastes a lot of time and reduces the working efficiency of the cracking furnace. Therefore, a decarbonization device for a diketene cracking furnace is proposed. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and a decarbonization device for a diketene cracking furnace is proposed.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A decarbonization device for a diketene cracking furnace, including a cooling box, the upper surface of the cooling box is fixedly connected with a fixed frame, opposite sides inside the fixed frame are both provided with clamping grooves, the upper surface of the fixed frame is fixedly connected with an air inlet pipe, two gas-phase pipelines are slidably connected inside the fixed frame, two first sliding grooves are opened on the upper surface of the fixed frame, two fixed columns are fixedly connected to the upper surface of the fixed frame, a first sliding groove is provided on one side of each fixed column, and an extrusion structure is arranged inside each first sliding groove. The upper surface of the cooling box is fixedly connected with a cross column, a second sliding groove is opened on the upper surface of the cross column, and a moving structure is arranged inside the second sliding groove. Second sliding grooves are opened on the upper surface and the bottom of each gas-phase pipeline, a third sliding groove is opened on one side of each gas-phase pipeline, a fixing plate is fixedly connected to one side inside each third sliding groove, and a sealing structure is arranged on each fixing plate.

[0006] As a further description of the above technical solution:

[0007] One side of the cooling box is fixedly connected through a water inlet pipe, one end of the water inlet pipe is fixedly connected with a spiral pipe, one end of the spiral pipe is fixedly connected with a water outlet pipe, and one end of the water outlet pipe is fixedly connected through the side of the cooling box. Two connecting frames are fixedly connected to the bottom of the fixed frame, a third sliding groove is opened on one side of each connecting frame, and a collection box is slidably connected inside each third sliding groove.

[0008] As a further description of the above technical solution:

[0009] The extrusion structure includes a first threaded rod rotatably connected in the first sliding groove. The upper surface of the fixed column is fixedly connected with a first servo motor. The output shaft of the first servo motor is fixedly connected with one end of the first threaded rod. A first L-shaped sliding column is threadedly connected to the first threaded rod. The first L-shaped sliding column is slidably connected in the first sliding groove. The bottom of the first L-shaped sliding column is fixedly connected with an extrusion plate. The extrusion plate is movably connected in the first sliding groove.

[0010] As a further description of the above technical solution:

[0011] The moving structure includes a second threaded rod rotatably connected in the second sliding groove. One side of the cross column is fixedly connected with a second servo motor. The output shaft of the second servo motor is fixedly connected with one end of the second threaded rod. A second L-shaped sliding column is threadedly connected to the second threaded rod. The second L-shaped sliding column is slidably connected with the second sliding groove. The opposite sides of the second L-shaped sliding column are respectively fixedly connected with one side of the corresponding gas phase pipeline.

[0012] As a further description of the above technical solution:

[0013] The sealing structure includes a limiting rod fixedly connected through the upper surface of the fixing plate. Two first sliding plates are slidably connected to the limiting rod. One side of each first sliding plate is fixedly connected with an L-shaped sliding plate. One side of each L-shaped sliding plate is fixedly connected with a moving column. Each moving column is movably connected with the corresponding card slot. One side of each L-shaped sliding plate is fixedly connected with a sealing frame. Each sealing frame is respectively slidably connected in the corresponding second sliding groove. One side of each sealing frame is fixedly connected with a sealing gasket.

[0014] As a further description of the above technical solution:

[0015] Two springs are movably connected to the limiting rod. The opposite ends of the two springs are respectively fixedly connected to the opposite sides of the fixing plate. The opposite ends of the two springs are respectively fixedly connected to the opposite sides of the two first sliding plates.

[0016] The present utility model has the following beneficial effects:

[0017] 1. Compared with the prior art, for the carbon removal device for the diketene cracking furnace, by setting a fixed frame, a gas phase pipeline, a second servo motor, a second threaded rod, a second L-shaped sliding column, etc., the second servo motor drives the threaded rod to rotate, the second threaded rod drives the second L-shaped sliding column to move, and the second L-shaped drives the two gas phase pipelines to move, moving the gas phase pipeline with carbon deposition to one side and the other gas phase pipeline to below the intake pipe, saving the time for removing carbon from the gas phase pipeline and improving work efficiency.

[0018] 2. Compared with the prior art, in this decarbonization device for diketene cracking furnace, by setting a clamping groove, a limiting rod, a first sliding plate, an L-shaped sliding plate, a moving column, a sealing frame and a spring, etc., when the gas-phase pipeline moves, the two moving columns are extruded through the clamping groove. The moving column drives the L-shaped sliding plate, and the L-shaped sliding plate drives the sealing frame and the first sliding plate to move, so that the upper surface of the sealing frame disengages from the opposite side inside the fixed frame, avoiding damage to the sealing ring caused by excessive friction when the gas-phase pipeline moves, and preventing the cracked gas from leaking out from the upper and lower ends of the gas-phase pipeline. Brief Description of the Drawings

[0019] Figure 1 Figure 1 is a schematic perspective view of a decarbonization device for diketene cracking furnace according to the present invention from a first perspective;

[0020] Figure 2 Figure 2 is a schematic perspective view of a decarbonization device for diketene cracking furnace according to the present invention from a second perspective;

[0021] Figure 3 Figure 3 is a plan view of a decarbonization device for diketene cracking furnace according to the present invention;

[0022] Figure 4 Figure 4 is a sectional view of a decarbonization device for diketene cracking furnace according to the present invention;

[0023] Figure 5 Figure 5 is a schematic view of the moving structure and extrusion structure of a decarbonization device for diketene cracking furnace according to the present invention;

[0024] Figure 6 Figure 6 is an exploded view of the moving structure and extrusion structure of a decarbonization device for diketene cracking furnace according to the present invention;

[0025] Figure 7 Figure 7 is a schematic view of the sealing structure of a decarbonization device for diketene cracking furnace according to the present invention;

[0026] Figure 8 Figure 8 is an exploded view of the sealing structure and the gas-phase pipeline of a decarbonization device for diketene cracking furnace according to the present invention;

[0027] Figure 9 Figure 9 is a schematic view of the extrusion structure of a decarbonization device for diketene cracking furnace according to the present invention;

[0028] Figure 10 Figure 10 is an exploded view of the extrusion structure of a decarbonization device for diketene cracking furnace according to the present invention.

[0029] Legend:

[0030] 1. Cooling box; 2. Fixed frame; 201. Card slot; 3. Gas phase pipeline; 301. Second sliding groove; 302. Third sliding groove; 4. Fixed column; 5. Inlet pipe; 6. Extrusion structure; 601. First servo motor; 602. First threaded rod; 603. First L-shaped sliding column; 604. Extrusion plate; 7. Connection frame; 8. Collection box; 9. Cross column; 10. Moving structure; 101. Second servo motor; 102. Second threaded rod; 103. Second L-shaped sliding column; 11. Fixed plate; 12. Sealing structure; 121. Limit rod; 122. First sliding plate; 123. L-shaped sliding plate; 124. Moving column; 125. Sealing frame; 126. Spring; 13. Water inlet pipe; 14. Spiral pipe; 15. Water outlet pipe. Detailed implementation mode

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

[0032] Refer to Figures 1 to 10 , a decarbonization device for a diketene cracking furnace provided by the present invention: includes a cooling box 1, one side of the cooling box 1 is fixedly connected through a water inlet pipe 13, one end of the water inlet pipe 13 is fixedly connected with a spiral pipe 14, the spiral pipe 14 can effectively cool the cracking gas, one end of the spiral pipe 14 is fixedly connected with a water outlet pipe 15, one end of the water outlet pipe 15 is fixedly connected through the side of the cooling box 1, the upper surface of the cooling box 1 is fixedly connected with a fixed frame 2, the bottom of the fixed frame 2 is fixedly connected with two connection frames 7, each side of each connection frame 7 is provided with a third sliding groove, a collection box 8 is slidably connected in each third sliding groove, opposite sides inside the fixed frame 2 are provided with card slots 201, the upper surface of the fixed frame 2 is fixedly connected with an inlet pipe 5, two gas phase pipelines 3 are slidably connected inside the fixed frame 2, two first sliding grooves are provided on the upper surface of the fixed frame 2, two fixed columns 4 are fixedly connected to the upper surface of the fixed frame 2, a first sliding groove is provided on one side of each fixed column 4, and an extrusion structure 6 is provided in each first sliding groove, the upper surface of the cooling box 1 is fixedly connected with a cross column 9, a second sliding groove is provided on the upper surface of the cross column 9, and a moving structure 10 is provided in the second sliding groove, second sliding grooves 301 are provided on the upper surface and bottom of each gas phase pipeline 3, a third sliding groove 302 is provided on one side of each gas phase pipeline 3, one side inside each third sliding groove 302 is fixedly connected with a fixed plate 11, and a sealing structure 12 is provided on each fixed plate 11;

[0033] Refer to Figure 5 ,Figure 9 and Figure 10 , to achieve the purpose of removing carbon deposits, the extrusion structure 6 includes a first threaded rod 602 rotatably connected in the first chute. The upper surface of the fixed column 4 is fixedly connected with a first servo motor 601. The output shaft of the first servo motor 601 is fixedly connected with one end of the first threaded rod 602. A first L-shaped sliding column 603 is threadedly connected to the first threaded rod 602. The first L-shaped sliding column 603 is slidably connected in the first chute. The bottom of the first L-shaped sliding column 603 is fixedly connected with an extrusion plate 604. The extrusion plate 604 is movably connected in the first sliding groove. The first servo motor 601 above the gas-phase pipeline 3 with carbon deposits drives the first threaded rod 602 to rotate. The first threaded rod 602 drives the first L-shaped sliding column 603 to move. The first L-shaped sliding column 603 drives the extrusion plate 604 to move. When the extrusion plate 604 moves downward, the side of the extrusion plate 604 scrapes off the carbon deposits accumulated on the inner wall of the gas-phase pipeline 3. The carbon deposits fall into the collection box 8. After the cleaning is completed, the collection box 8 is taken out to process the carbon deposits inside;

[0034] Refer to Figure 5 and Figure 6 , to achieve the purpose of moving the two gas-phase pipelines 3, the moving structure 10 includes a second threaded rod 102 rotatably connected in the second chute. One side of the cross column 9 is fixedly connected with a second servo motor 101. The output shaft of the second servo motor 101 is fixedly connected with one end of the second threaded rod 102. A second L-shaped sliding column 103 is threadedly connected to the second threaded rod 102. The second L-shaped sliding column 103 is slidably connected to the second chute. The sides of the second L-shaped sliding columns 103 away from each other are respectively fixedly connected with one side of the corresponding gas-phase pipeline 3. The second servo motor 101 drives the second threaded rod 102 to rotate. The second threaded rod 102 drives the second L-shaped sliding column 103 to move. The second L-shaped sliding column 103 drives the two gas-phase pipelines 3 to move. Move the gas-phase pipeline 3 with carbon deposits to one side, and move the other gas-phase pipeline 3 under the air inlet pipe 5, saving the time for removing carbon from the gas-phase pipeline 3 and improving work efficiency;

[0035] Refer to Figure 6 、 Figure 7 and Figure 8, To achieve the purpose of moving the sealing frame 125, the sealing structure 12 includes a limiting rod 121 fixedly connected through the upper surface of the fixed plate 11. Two first sliding plates 122 are slidably connected to the limiting rod 121. An L-shaped sliding plate 123 is fixedly connected to one side of each first sliding plate 122. Two springs 126 are movably connected to the limiting rod 121. The opposite ends of the two springs 126 are respectively fixedly connected to the opposite sides of the fixed plate 11 away from each other. The opposite ends of the two springs 126 are respectively fixedly connected to the opposite sides of the two first sliding plates 122. A moving column 124 is fixedly connected to one side of each L-shaped sliding plate 123. Each moving column 124 is movably connected to the corresponding card slot 201. A sealing frame 125 is fixedly connected to one side of each L-shaped sliding plate 123. Each sealing frame 125 is slidably connected in the corresponding second sliding groove 301. A sealing pad is fixedly connected to one side of each sealing frame 125. When the gas-phase pipeline 3 moves, it squeezes the two moving columns 124 through the card slot 201. The moving column 124 drives the L-shaped sliding plate 123. The L-shaped sliding plate 123 drives the sealing frame 125 and the first sliding plate 122 to move, so that the upper surface of the sealing frame 125 disengages from the opposite sides inside the fixed frame 2, avoiding damage to the sealing ring due to excessive friction when the gas-phase pipeline 3 moves, and preventing the cracked gas from leaking from the upper and lower ends of the gas-phase pipeline 3.

[0036] Working principle: The cracked gas flows from the intake pipe 5 through the gas-phase pipeline 3 into the cooling box 1 and is discharged after being cooled by the cooling box 1. If the carbon accumulation in the first gas-phase pipeline 3 is excessive, the valve is closed. Then, the second servo motor 101 drives the second threaded rod 102 to rotate. The second threaded rod 102 drives the second L-shaped sliding column 103 to move. The second L-shaped sliding column 103 drives the two gas-phase pipelines 3 to move, moving the gas-phase pipeline 3 with carbon accumulation to one side and moving the other gas-phase pipeline 3 below the intake pipe 5, saving the time for removing carbon from the gas-phase pipeline 3 and improving work efficiency. Then, the valve is opened to continue transporting the cracked gas. Then, the first servo motor 601 above the gas-phase pipeline 3 with carbon accumulation drives the first threaded rod 602 to rotate. The first threaded rod 602 drives the first L-shaped sliding column 603 to move. The first L-shaped sliding column 603 drives the extrusion plate 604 to move. When the extrusion plate 604 moves downward, the side surface of the extrusion plate 604 scrapes off the carbon accumulation on the inner wall of the gas-phase pipeline 3. The carbon accumulation falls into the collection box 8. After the cleaning is completed, the collection box 8 is taken out to process the carbon accumulation inside. When the gas-phase pipeline 3 moves, it squeezes the two moving columns 124 through the card slot 201. The moving column 124 drives the L-shaped sliding plate 123. The L-shaped sliding plate 123 drives the sealing frame 125 and the first sliding plate 122 to move, so that the upper surface of the sealing frame 125 disengages from the opposite sides inside the fixed frame 2, avoiding damage to the sealing ring due to excessive friction when the gas-phase pipeline 3 moves, and preventing the cracked gas from leaking from the upper and lower ends of the gas-phase pipeline 3.

[0037] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A decarbonization device for a diketene cracking furnace, comprising a cooling box (1), characterized in that: The upper surface of the cooling box (1) is fixedly connected with a fixed frame (2). On opposite sides inside the fixed frame (2), clamping grooves (201) are respectively formed. The upper surface of the fixed frame (2) is fixedly connected with an air inlet pipe (5). Two gas-phase pipes (3) are slidably connected inside the fixed frame (2). Two first sliding grooves are formed on the upper surface of the fixed frame (2). The upper surface of the fixed frame (2) is fixedly connected with two fixed columns (4). A first sliding groove is formed on one side of each fixed column (4). An extrusion structure (6) is arranged in each first sliding groove. The upper surface of the cooling box (1) is fixedly connected with a cross column (9). A second sliding groove is formed on the upper surface of the cross column (9). A moving structure (10) is arranged in the second sliding groove. Second sliding grooves (301) are respectively formed on the upper surface and the bottom of each gas-phase pipe (3). A third sliding groove (302) is formed on one side of each gas-phase pipe (3). On one side inside each third sliding groove (302), a fixing plate (11) is fixedly connected. A sealing structure (12) is arranged on each fixing plate (11).

2. The decarbonization device for diketene cracking furnace according to claim 1, wherein: One side of the cooling box (1) is fixedly connected through with a water inlet pipe (13). One end of the water inlet pipe (13) is fixedly connected with a spiral pipe (14). One end of the spiral pipe (14) is fixedly connected with a water outlet pipe (15). One end of the water outlet pipe (15) is fixedly connected through the side of the cooling box (1). The bottom of the fixed frame (2) is fixedly connected with two connecting frames (7). A third sliding groove is formed on one side of each connecting frame (7). A collection box (8) is slidably connected in each third sliding groove.

3. The decarbonization device for diketene cracking furnace according to claim 1, characterized in that: The extrusion structure (6) includes a first threaded rod (602) rotatably connected in the first sliding groove. The upper surface of the fixed column (4) is fixedly connected with a first servo motor (601). The output shaft of the first servo motor (601) is fixedly connected with one end of the first threaded rod (602). A first L-shaped sliding column (603) is threadedly connected to the first threaded rod (602). The first L-shaped sliding column (603) is slidably connected in the first sliding groove. The bottom of the first L-shaped sliding column (603) is fixedly connected with an extrusion plate (604). The extrusion plate (604) is movably connected in the first sliding groove.

4. A decarbonization device for a diketene cracking furnace according to claim 1, characterized in that: The moving structure (10) includes a second threaded rod (102) rotatably connected in the second sliding groove. One side of the cross column (9) is fixedly connected with a second servo motor (101). The output shaft of the second servo motor (101) is fixedly connected with one end of the second threaded rod (102). A second L-shaped sliding column (103) is threadedly connected to the second threaded rod (102). The second L-shaped sliding column (103) is slidably connected with the second sliding groove. The opposite sides of the second L-shaped sliding column (103) are respectively fixedly connected with one side of the corresponding gas-phase pipe (3).

5. A decarbonization device for a diketene cracking furnace according to claim 1, characterized in that: The sealing structure (12) includes a limiting rod (121) fixedly connected through the upper surface of the fixing plate (11). Two first sliding plates (122) are slidably connected to the limiting rod (121). A side of each first sliding plate (122) is fixedly connected with an L-shaped sliding plate (123). A side of each L-shaped sliding plate (123) is fixedly connected with a moving column (124). Each moving column (124) is movably connected to the corresponding card slot (201). A side of each L-shaped sliding plate (123) is fixedly connected with a sealing frame (125). Each sealing frame (125) is respectively slidably connected in the corresponding second sliding groove (301). A side of each sealing frame (125) is fixedly connected with a sealing gasket.

6. The decarbonization device for diketene cracking furnace according to claim 5, characterized in that: Two springs (126) are movably connected to the limiting rod (121). Opposite ends of the two springs (126) are respectively fixedly connected to opposite sides of the fixing plate (11) away from each other. Opposite ends of the two springs (126) away from each other are respectively fixedly connected to opposite sides of the two first sliding plates (122).

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