Rapid assembly and disassembly method for coke oven baking pipeline

Abstract

The invention relates to the technical field of coke oven construction, in particular to a quick mounting and dismounting method for a coke oven baking pipeline, which changes the conventional welding connection mode between pipelines, adopts flanges for connection, can shorten the mounting and dismounting time of the baking pipeline, and improves the mounting and dismounting construction efficiency of the pipeline. The oven pipeline is ensured to be mounted and dismounted within limited time, and the project is ensured to be carried out smoothly; and open fire operation is avoided during dismounting, so that the safety is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of coke oven construction, in particular to a method for quickly installing and disassembling a coke oven baking pipe. Background Art

[0002] In the field of coking system construction of coking projects, after the installation of the coke oven equipment pipeline is completed, the oven needs to be dried. To ensure that the oven drying work can proceed smoothly, after the installation of the coke oven iron parts is completed, a row of oven drying pipelines needs to be installed on both sides of the machine coke. The oven drying pipelines are temporary pipelines and need to be removed after the oven drying is completed. For the installation and removal of oven drying pipelines, the traditional construction method is to install them by welding connection, and use gas cutting equipment to cut and disassemble the pipelines during removal. This construction method consumes high labor costs and slows the construction progress. When removing the pipelines, open flames are used, which is very dangerous. Summary of the invention

[0003] The present invention aims to solve the above problems, thereby providing a method for quickly installing and disassembling a coke oven baking oven pipeline.

[0004] The present invention solves the above-mentioned problem by adopting the following technical solution: A method for quickly installing and disassembling a coke oven pipe is carried out according to the following steps: Step 1: Purchase flanges; purchase flanges of corresponding specifications in advance according to the pipe diameter specifications of the oven pipes; Step 2: Flange installation: Before installing the oven pipe, install the flanges at both ends of the oven pipe; Step 3: Installation of oven pipes: hoist the oven pipes to the location to be installed, connect the two pipes via flanges, and firmly connect the two pipes via connecting bolts, nuts and gaskets; Step 4: Pipeline pressure detection; mainly detect the leakage of the weld between the flange and the pipeline and the parts between the flanges; Step 5: Dismantling of the furnace pipeline; after the furnace is baked, first use nitrogen to replace the medium in the pipeline, then blow air, and after the gas content test is qualified, start the pipeline dismantling work. When dismantling, first remove the connecting bolts, nuts and gaskets, and lift the disassembled pipelines to the ground one by one, clean them and transport them out of the construction site.

[0005] In step 3, the two flanges connected to each other must be tightly sealed using gaskets.

[0006] Compared with the prior art, the present invention adopting the above technical solution has the following outstanding features: The method disclosed in the present invention can shorten the installation and removal time of the oven pipeline, improve the efficiency of pipeline installation and removal, ensure that the installation and removal of the oven pipeline are completed within a limited time, and ensure smooth performance of the project; open flame operations are avoided during removal, and safety is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 This is a schematic diagram of the flange and pipeline connection structure according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the side view structure of the flange and pipeline connection according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the pipe-to-pipe connection structure according to an embodiment of the present invention; Marked in the figure: pipe 1, flange 2, gasket 201, nut 202, bolt 203. DETAILED DESCRIPTION

[0008] The present invention will be further described below in conjunction with embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0009] See also Figure 1-Figure 3 A method for quickly installing and disassembling a coke oven pipe is carried out according to the following steps: Step 1: Purchase flange 2; purchase flange 2 of corresponding specifications in advance according to the pipe diameter specifications of the drying furnace pipeline 1; Step 2: Install the flange 2: Before installing the oven pipe 1, install the flange 2 at both ends of the oven pipe 1; Step 3: Install the oven pipe 1; hoist the oven pipe 1 to the location to be installed, connect the two pipes via the flange 2, and firmly connect the two pipes via the connecting bolts 203, nuts 202 and gaskets 201; Step 4: Pipeline pressure detection; mainly detect the leakage of the weld between flange 2 and pipeline 1 and the area between flange 2; Step 5: Dismantling of the oven pipeline 1; after the oven is completed, first use nitrogen to replace the medium in the pipeline, then purge with air, and start dismantling the pipeline after the gas content test is qualified. When dismantling, first remove the connecting bolts 203, nuts 202 and gaskets 201, and lift the disassembled pipelines 1 to the ground one by one, clean them and transport them out of the construction site.

[0010] In step 3, the two flanges 2 connected to each other must be tightly sealed using gaskets.

[0011] The method disclosed in the present invention can shorten the installation and removal time of the oven pipeline, improve the efficiency of pipeline installation and removal, ensure that the installation and removal of the oven pipeline are completed within a limited time, and ensure smooth performance of the project; open flame operations are avoided during removal, and safety is greatly improved.

[0012] The above description is only a preferred feasible embodiment of the present invention, and does not limit the scope of rights of the present invention. All equivalent changes made using the contents of the present specification and its drawings are included in the scope of rights of the present invention.

Claims

1. A method for rapid installation and disassembly of a coke oven pipe, characterized in that: Follow these steps: Step 1: Purchase flanges; purchase flanges of corresponding specifications in advance according to the pipe diameter specifications of the oven pipes; Step 2: Flange installation: Before installing the oven pipe, install the flanges at both ends of the oven pipe; Step 3: Installation of oven pipes: hoist the oven pipes to the location to be installed, connect the two pipes via flanges, and firmly connect the two pipes via connecting bolts, nuts and gaskets; Step 4: Pipeline pressure detection; mainly detect the leakage of the weld between the flange and the pipeline and the parts between the flanges; Step 5: Dismantling of the furnace pipeline; after the furnace is baked, first use nitrogen to replace the medium in the pipeline, then blow air, and after the gas content test is qualified, start the pipeline dismantling work. When dismantling, first remove the connecting bolts, nuts and gaskets, and lift the disassembled pipelines to the ground one by one, clean them and transport them out of the construction site.

2. A method for rapid installation and removal of a coke oven pipe according to claim 1, characterized in that: In step three, the two flanges connected to each other must be tightly sealed using gaskets.

Images