阅读说明：本技术 一种高炉开口机空压风管路的改进方法 (Improvement method of air compression air pipeline of blast furnace tapping machine ) 是由 姜玉兔 朱晨睿 于 2021-06-17 设计创作，主要内容包括：本发明公开一种高炉开口机空压风管路的改进方法,所述改进方法包括如下步骤：将高炉开口机进行停机,保持停机状态；关闭高炉开口机的空压风管路与总管之间的阀门,保持空压风管路内无压力；在空压风管路中间截去450-600mm长度的管道,将空压风管路分割为两段,其中设有进口端的为前段管路,设有出口端的为后段管路,在前段管路上增加阀门,前段管路的后端安装直径为200-250mm、长度为450-500mm的气包,将后段管路连接在气包上,完成对高炉开口机空压风管路的改进。本发明改进方法通过对高炉开口机空压风管路进行改造,在不增大总管空压风压力的情况下,保证了高炉开口机空压风压力达到保护钻头和有效吹扫铁口通道的所需压力。(The invention discloses an improvement method of an air compression air pipeline of a blast furnace tapping machine, which comprises the following steps: stopping the blast furnace tapping machine, and keeping a stopped state; closing a valve between an air compression air pipeline and a main pipe of the blast furnace tapping machine, and keeping no pressure in the air compression air pipeline; the method comprises the steps of cutting off a pipeline with the length of 450-plus-600 mm in the middle of an air compression air pipeline, dividing the air compression air pipeline into two sections, wherein the front section pipeline is provided with an inlet end, the rear section pipeline is provided with an outlet end, a valve is additionally arranged on the front section pipeline, an air bag with the diameter of 200-plus-250 mm and the length of 450-plus-500 mm is installed at the rear end of the front section pipeline, and the rear section pipeline is connected to the air bag to complete improvement of the air compression air pipeline of the blast furnace tapping machine. The improvement method of the invention ensures that the air pressure of the tapping machine of the blast furnace reaches the pressure required for protecting the drill bit and effectively purging the iron notch channel by reforming the air pressure air pipeline of the tapping machine of the blast furnace under the condition of not increasing the air pressure of the main air pressure air.)

1. An improved method for an air compression air pipeline of a blast furnace tapping machine is characterized by comprising the following steps:

s1: stopping the blast furnace tapping machine, and keeping a stopped state;

s2: under the state that the blast furnace tapping machine is stopped, closing a valve between an air compression air pipeline and a main pipe of the blast furnace tapping machine, and keeping no pressure in the air compression air pipeline;

s3: cutting off a pipeline with the length of 450-;

s4: connecting the rear section pipeline to the air bag to complete the improvement of the air compression air pipeline of the blast furnace tapping machine;

s5: and starting a blast furnace tapping machine, and testing the air pressure in the improved air pressure pipeline under the condition of keeping the original air pressure of the main pipe.

2. The improved method of blast furnace tapping machine air-compressed air pipeline according to claim 1, characterized in that the improved method comprises the following steps:

s1: stopping the blast furnace tapping machine, and keeping a stopped state;

s2: under the state that the blast furnace tapping machine is stopped, closing a valve between an air compression air pipeline and a main pipe of the blast furnace tapping machine, and keeping no pressure in the air compression air pipeline;

s3: cutting off a pipeline with the length of 500mm in the middle of the air compression air pipeline, dividing the air compression air pipeline into two sections, wherein the front section pipeline is arranged at an inlet end, the rear section pipeline is arranged at an outlet end, a valve is additionally arranged on the front section pipeline, and an air bag with the diameter of 220mm and the length of 450mm is installed at the rear end of the front section pipeline;

s4: connecting the rear section pipeline to the air bag to complete the improvement of the air compression air pipeline of the blast furnace tapping machine;

s5: and starting a blast furnace tapping machine, and testing the air pressure in the improved air pressure pipeline under the condition of keeping the original air pressure of the main pipe.

3. The improved method of blast furnace tapping machine air-compressed air pipeline according to claim 1, characterized in that the improved method comprises the following steps:

s1: stopping the blast furnace tapping machine, and keeping a stopped state;

s2: under the state that the blast furnace tapping machine is stopped, closing a valve between an air compression air pipeline and a main pipe of the blast furnace tapping machine, and keeping no pressure in the air compression air pipeline;

s3: cutting off a pipeline with the length of 450mm in the middle of an air compression air pipeline, dividing the air compression air pipeline into two sections, wherein the front section pipeline is arranged at an inlet end, the rear section pipeline is arranged at an outlet end, a valve is additionally arranged on the front section pipeline, and an air bag with the diameter of 200mm and the length of 470mm is installed at the rear end of the front section pipeline;

s4: connecting the rear section pipeline to the air bag to complete the improvement of the air compression air pipeline of the blast furnace tapping machine;

s5: and starting a blast furnace tapping machine, and testing the air pressure in the improved air pressure pipeline under the condition of keeping the original air pressure of the main pipe.

4. The improved method of blast furnace tapping machine air-compressed air pipeline according to claim 1, characterized in that the improved method comprises the following steps:

s1: stopping the blast furnace tapping machine, and keeping a stopped state;

s2: under the state that the blast furnace tapping machine is stopped, closing a valve between an air compression air pipeline and a main pipe of the blast furnace tapping machine, and keeping no pressure in the air compression air pipeline;

s3: cutting off a pipeline with the length of 600mm in the middle of an air compression air pipeline, dividing the air compression air pipeline into two sections, wherein the front section pipeline is arranged at an inlet end, the rear section pipeline is arranged at an outlet end, a valve is additionally arranged on the front section pipeline, and an air bag with the diameter of 250mm and the length of 500mm is installed at the rear end of the front section pipeline;

s4: connecting the rear section pipeline to the air bag to complete the improvement of the air compression air pipeline of the blast furnace tapping machine;

s5: and starting a blast furnace tapping machine, and testing the air pressure in the improved air pressure pipeline under the condition of keeping the original air pressure of the main pipe.

Technical Field

The invention relates to an improvement method of a blast furnace tapping machine, in particular to an improvement method of an air compression air pipeline of a blast furnace tapping machine.

Background

When the tapping machine of the blast furnace works, the working environment of the equipment is in a high-temperature area, and a wind-carrying drill bit equipped on the tapping machine is easy to burn and lose under high temperature.

Frequent burning loss drill bit not only reduces stokehole operating efficiency, has still increased manufacturing cost, because present blast furnace tapping machine pneumatics tuber pipe is from house steward access, and pneumatics wind pressure can't be in the on-the-spot adjustment, when causing house steward pressure low, supplies tapping machine pneumatics wind pressure low, and traditional tapping machine's pneumatics wind pressure is less than 0.5MPA, can't reach the effect of sweeping indisputable mouthful passageway and protection drill bit, need reform transform tapping machine pneumatics wind pipeline, increase pneumatics wind pressure.

Disclosure of Invention

The invention aims to provide an improvement method of a blast furnace tapping machine air compression air pipeline, which ensures that the blast furnace tapping machine air compression air pressure reaches the pressure required by protecting a drill bit and effectively purging an iron notch channel under the condition of not increasing the main pipe air compression air pressure by modifying the blast furnace tapping machine air compression air pipeline.

The purpose of the invention can be realized by the following technical scheme:

an improved method for an air compression air pipeline of a blast furnace tapping machine comprises the following steps:

s1: stopping the blast furnace tapping machine, and keeping a stopped state;

s2: under the state that the blast furnace tapping machine is stopped, closing a valve between an air compression air pipeline and a main pipe of the blast furnace tapping machine, and keeping no pressure in the air compression air pipeline;

s3: cutting off a pipeline with the length of 450-;

s4: connecting the rear section pipeline to the air bag to complete the improvement of the air compression air pipeline of the blast furnace tapping machine;

s5: and starting a blast furnace tapping machine, and testing the air pressure in the improved air pressure pipeline under the condition of keeping the original air pressure of the main pipe.

Further, the improvement method comprises the following steps:

s1: stopping the blast furnace tapping machine, and keeping a stopped state;

s2: under the state that the blast furnace tapping machine is stopped, closing a valve between an air compression air pipeline and a main pipe of the blast furnace tapping machine, and keeping no pressure in the air compression air pipeline;

s3: cutting off a pipeline with the length of 500mm in the middle of the air compression air pipeline, dividing the air compression air pipeline into two sections, wherein the front section pipeline is arranged at an inlet end, the rear section pipeline is arranged at an outlet end, a valve is additionally arranged on the front section pipeline, and an air bag with the diameter of 220mm and the length of 450mm is installed at the rear end of the front section pipeline;

s4: connecting the rear section pipeline to the air bag to complete the improvement of the air compression air pipeline of the blast furnace tapping machine;

s5: and starting a blast furnace tapping machine, and testing the air pressure in the improved air pressure pipeline under the condition of keeping the original air pressure of the main pipe.

Further, the improvement method comprises the following steps:

s1: stopping the blast furnace tapping machine, and keeping a stopped state;

s2: under the state that the blast furnace tapping machine is stopped, closing a valve between an air compression air pipeline and a main pipe of the blast furnace tapping machine, and keeping no pressure in the air compression air pipeline;

s3: cutting off a pipeline with the length of 450mm in the middle of an air compression air pipeline, dividing the air compression air pipeline into two sections, wherein the front section pipeline is arranged at an inlet end, the rear section pipeline is arranged at an outlet end, a valve is additionally arranged on the front section pipeline, and an air bag with the diameter of 200mm and the length of 470mm is installed at the rear end of the front section pipeline;

s4: connecting the rear section pipeline to the air bag to complete the improvement of the air compression air pipeline of the blast furnace tapping machine;

s5: and starting the blast furnace tapping machine, and testing the air pressure of the improved blast furnace tapping machine to the taphole channel and the drill bit under the condition of keeping the original air pressure of the main pipe.

Further, the improvement method comprises the following steps:

s1: stopping the blast furnace tapping machine, and keeping a stopped state;

s2: under the state that the blast furnace tapping machine is stopped, closing a valve between an air compression air pipeline and a main pipe of the blast furnace tapping machine, and keeping no pressure in the air compression air pipeline;

s3: cutting off a pipeline with the length of 600mm in the middle of an air compression air pipeline, dividing the air compression air pipeline into two sections, wherein the front section pipeline is arranged at an inlet end, the rear section pipeline is arranged at an outlet end, a valve is additionally arranged on the front section pipeline, and an air bag with the diameter of 250mm and the length of 500mm is installed at the rear end of the front section pipeline;

s4: connecting the rear section pipeline to the air bag to complete the improvement of the air compression air pipeline of the blast furnace tapping machine;

s5: and starting a blast furnace tapping machine, and testing the air pressure in the improved air pressure pipeline under the condition of keeping the original air pressure of the main pipe.

The invention has the beneficial effects that:

1. the improvement method of the invention ensures that the air pressure of the blast furnace tapping machine reaches the pressure required for protecting the drill bit and effectively purging the iron notch channel by reforming the air pressure air pipeline of the blast furnace tapping machine under the condition of not increasing the air pressure of the main air pressure air, prolongs the service life of the drill bit and reduces the production cost.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

an improved method for an air compression air pipeline of a blast furnace tapping machine comprises the following steps:

s1: stopping the blast furnace tapping machine, and keeping a stopped state;

s2: under the state that the blast furnace tapping machine is stopped, closing a valve between an air compression air pipeline and a main pipe of the blast furnace tapping machine, and keeping no pressure in the air compression air pipeline;

s3: cutting off a pipeline with the length of 500mm in the middle of the air compression air pipeline, dividing the air compression air pipeline into two sections, wherein the front section pipeline is arranged at an inlet end, the rear section pipeline is arranged at an outlet end, a valve is additionally arranged on the front section pipeline, and an air bag with the diameter of 220mm and the length of 450mm is installed at the rear end of the front section pipeline;

s4: connecting the rear section pipeline to the air bag to complete the improvement of the air compression air pipeline of the blast furnace tapping machine;

s5: and starting a blast furnace tapping machine, and testing the air pressure in the improved air pressure pipeline under the condition of keeping the original air pressure of the main pipe.

And testing to obtain that the air pressure value in the improved air pressure pipeline is 0.9MPA.

Example 2:

an improved method for an air compression air pipeline of a blast furnace tapping machine comprises the following steps:

s1: stopping the blast furnace tapping machine, and keeping a stopped state;

s2: under the state that the blast furnace tapping machine is stopped, closing a valve between an air compression air pipeline and a main pipe of the blast furnace tapping machine, and keeping no pressure in the air compression air pipeline;

s3: cutting off a pipeline with the length of 450mm in the middle of an air compression air pipeline, dividing the air compression air pipeline into two sections, wherein the front section pipeline is arranged at an inlet end, the rear section pipeline is arranged at an outlet end, a valve is additionally arranged on the front section pipeline, and an air bag with the diameter of 200mm and the length of 470mm is installed at the rear end of the front section pipeline;

s4: connecting the rear section pipeline to the air bag to complete the improvement of the air compression air pipeline of the blast furnace tapping machine;

s5: and starting a blast furnace tapping machine, and testing the air pressure in the improved air pressure pipeline under the condition of keeping the original air pressure of the main pipe.

And testing to obtain that the air pressure value in the improved air pressure pipeline is 1.2MPA.

Example 3:

an improved method for an air compression air pipeline of a blast furnace tapping machine comprises the following steps:

s1: stopping the blast furnace tapping machine, and keeping a stopped state;

s2: under the state that the blast furnace tapping machine is stopped, closing a valve between an air compression air pipeline and a main pipe of the blast furnace tapping machine, and keeping no pressure in the air compression air pipeline;

s3: cutting off a pipeline with the length of 600mm in the middle of an air compression air pipeline, dividing the air compression air pipeline into two sections, wherein the front section pipeline is arranged at an inlet end, the rear section pipeline is arranged at an outlet end, a valve is additionally arranged on the front section pipeline, and an air bag with the diameter of 250mm and the length of 500mm is installed at the rear end of the front section pipeline;

s4: connecting the rear section pipeline to the air bag to complete the improvement of the air compression air pipeline of the blast furnace tapping machine;

s5: and starting a blast furnace tapping machine, and testing the air pressure in the improved air pressure pipeline under the condition of keeping the original air pressure of the main pipe.

And testing to obtain that the air pressure value in the improved air pressure pipeline is 1.5 MPA.

In the above embodiment, the value of the air pressure in the improved air pressure pipeline is 0.5MPA, and it can be seen from the above embodiment that the air pressure in the improved air pressure pipeline can achieve the effects of purging the taphole channel and protecting the drill bit.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.