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A Wiggins-type gas cabinet constant cabinet capacity replacement device and replacement method

A technology of Wiggins type and gas cabinet, which is applied in the field of replacement device, and can solve the problems of nitrogen consumption, frequent lifting and lowering of piston position, and long replacement period, etc.

Active Publication Date: 2021-05-07
SHANGHAI MEISHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantages of this method are: the operation steps are cumbersome, more operators are required, the position of the piston is frequently raised and lowered during the operation, and the piston is easily damaged; due to the need to repeatedly operate the valve and lift the piston, the replacement cycle is also longer, generally 18 hours. A total of about 45,000 Nm is needed to consume nitrogen 3 , increase maintenance cost

Method used

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  • A Wiggins-type gas cabinet constant cabinet capacity replacement device and replacement method
  • A Wiggins-type gas cabinet constant cabinet capacity replacement device and replacement method

Examples

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Effect test

Embodiment 1

[0023] Embodiment 1: see figure 1 , figure 2 , a Wiggins-type gas tank constant cabinet capacity replacement device, the replacement device includes a bottom plate 1, a side plate 2, a top plate 3, a movable piston 4, a sleeve type guardrail 5 and a piston bar 6, and the side plate is set Between the base plate and the top plate, the movable piston is arranged on the base plate, and the sleeve type guardrail 5 and the piston bar are arranged on one side of the replacement device, and the replacement device also includes a sealing curtain 7, and the sealing curtain is arranged On the sleeve-type guardrail 5, the replacement device also includes a balance device 8, which is arranged above the inside of the entire replacement device, and the part below the height of 1 / 3 of the bottom plate and the side plate is required to be sealed, and the side plate 1 / 3 3 Ventilation windows are set up between the height and the top of the tank, and inspection doors are installed at vertical...

Embodiment 2

[0024] Example 2: see figure 1 , figure 2 , Wiggins-type gas cabinet constant cabinet capacity replacement method, nitrogen enters the ring pipe 12 under a section of the gas cabinet through the main valve 11, and enters the gas cabinet body through four access points through the ring pipe 12, and the gas cabinet releases 9 according to the PLC in advance The set cabinet capacity is opened by the hydraulic cylinder automatic control 14 to open the top of the cabinet to disperse 9 to complete the purging and replacement operations of the Wiggins type gas cabinet. In addition, the original operation mode: the piston of the gas cabinet rises, and when the cabinet capacity reaches 98%, the ram 10 opens the top of the cabinet to disperse 9; before the ram 10 opens the top of the cabinet to disperse 9, the patent utilizes hydraulic cylinder automatic control 14 and the cabinet capacity Interlocking, when the cabinet capacity reaches 96%, the top vent 9 will be opened automatically...

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Abstract

The invention relates to a replacement device for a Wiggins-type gas cabinet with constant cabinet capacity, characterized in that the replacement device includes a bottom plate, a side plate, a top plate, a movable piston, a sleeve-type guardrail and a piston fence, and the side plate is provided with Between the bottom plate and the top plate, the movable piston is arranged on the bottom plate, and the sleeve type guardrail and the piston fence are arranged on one side of the replacement device. The main principle of this scheme is that when the Wiggins-type converter gas cabinet needs to be overhauled, purged and replaced, the traditional method of repeatedly lifting and lowering the cabinet capacity replacement is changed to a constant low cabinet capacity replacement by modifying the nitrogen purging pipeline form and the automatic control of the release method, with the shortest time and the least amount of nitrogen used, the purging and replacement operation of the Wiggins-type gas holder is completed, which reduces labor intensity and improves labor efficiency. It has high efficiency and environmental protection, energy saving and emission reduction, and low maintenance cost. Easy to promote and so on.

Description

technical field [0001] The invention relates to a replacement device, in particular to a replacement device for a Wiggins-type gas holder with constant cabinet capacity, in particular to a replacement device for a constant cabinet capacity of a Wiggins-type gas cabinet in the iron and steel industry and the technical field of control. Background technique [0002] Wiggins type gas holders are mainly used in metallurgy, chemical industry and other industries. A large amount of converter gas is produced in the process of pure oxygen top-blown converter steelmaking. Because it contains up to 60%-90% CO, it can be used as the main gas in the production of metallurgical enterprises. The recycling of fuel and converter gas can greatly reduce the energy consumption of the steelmaking process, and has obvious economic benefits. At the same time, converter gas contains a large amount of CO, which is a flammable, explosive and poisonous gas. The dust content can reach 100 mg / m3, which...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17B1/14F17B1/02
CPCF17B1/02F17B1/14
Inventor 赵阳杨左兵
Owner SHANGHAI MEISHAN IRON & STEEL CO LTD
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