Tank of benzene hydrogenation engineering and manufacturing and mounting method thereof

A production method, benzene hydrogenation technology, applied in the field of tanks, can solve the problems of high production costs, inconvenient production and installation methods, unscientific production and installation of tanks, etc.

Active Publication Date: 2015-08-19
MCC5 GROUP CORP SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the benzene hydrogenation engineering equipment that has been built or is under construction in China is still in the non-standard stage. There are many unscientific and unreasonable places in the tank and its production and installation. The production process is complicated and the production cost is high.
[0006] Therefore there are above-mentioned inconveniences and problems in the tank of known benzene hydrogenation project and its manufacture and installation method

Method used

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  • Tank of benzene hydrogenation engineering and manufacturing and mounting method thereof
  • Tank of benzene hydrogenation engineering and manufacturing and mounting method thereof
  • Tank of benzene hydrogenation engineering and manufacturing and mounting method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0132] The tank of the benzene hydrogenation project of the present invention is a vertical cylindrical steel storage tank. see now Figure 19 with Figure 20 , Figure 19 It is a schematic diagram of the tank structure of the embodiment of the present invention, Figure 20 for Figure 19 top view. As shown in the figure, the vertical cylindrical steel storage tank is provided with a tank vault, and a breather valve 24 and a light transmission hole 26 are arranged on the tank vault; several short pipes 28 are arranged on the tank of the vertical cylindrical steel storage tank. The vault and the tank wall are used to communicate with various media; the wind-resistant ring 30, the heat preservation ring 31 and a coil ladder 32 are arranged around the tank wall;

[0133] The waveguide 25 is a circular tube type radar waveguide, the waveguide extends from the top of the tank to the bottom, and the top of the waveguide is equipped with a flange for installing a radar level gau...

Embodiment 2

[0136] The tank manufacturing method of the benzene hydrogenation project of the present invention is characterized in that comprising the following steps:

[0137] a. Tank prefabrication

[0138] In construction and production, many components and materials of the tank must be prefabricated before installation, such as tank bottom edge plate forming, tank wall bevel and arc processing, and various arc components (reinforcing rings, etc.). Some components also need to be prefabricated on a special platform in order to form specifications, reduce high-altitude operations, improve work efficiency, and ensure project quality.

[0139] The chord length of the arc-shaped sample plate used for storage tank construction shall not be less than 2m, the length of the straight-line sample plate shall not be less than 1m, and the chord length of the arc-shaped sample plate used for measuring weld corner deformation shall not be less than 1m.

[0140] The prefabricated cutting of tank bot...

Embodiment 3

[0190] A tank installation method for a benzene hydrogenation project, characterized in that it comprises the following steps:

[0191] Figure 18 It is a block diagram of the tank installation and construction process of the benzene hydrogenation project of the embodiment of the present invention.

[0192] a. Floor laying and welding, including the following steps:

[0193] (1) Re-examine the foundation of the storage tank. According to the orientation of the plan, draw two centerlines perpendicular to each other on the foundation of the storage tank, and pay attention not to damage the foundation during the installation of the storage tank. If there is any damage, it must be repaired;

[0194] (2) The lower surface of the bottom plate shall be derusted according to the requirements of the drawing, and the first coat of epoxy coal tar pitch paint shall be painted immediately after passing the joint inspection by the supervision of Party A, and the edge of each plate shall no...

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Abstract

The invention discloses a tank of a benzene hydrogenation engineering. The tank is a vertical cylindrical steel storage tank, and comprises a breather valve (24), a waveguide pipe (25), a light transmission hole (26) and an inner floating disc (27); the vertical cylindrical steel storage tank is characterized by being provided with a tank vault; the breather valve (24) and the light transmission hole (26) are arranged on the tank vault; the waveguide pipe (25) is a round pipe type radar waveguide pipe, and extends into the bottom from the top of the tank; a flange is arranged at the top of the waveguide pipe for mounting a radar liquid level meter and measuring a real-time liquid level of the tank to remotely transfer to a central control room; and the inner floating disc (27) is a general self-floating assembled inner floating disc sold on the market, and is horizontally arranged in the vertical cylindrical steel storage tank. The tank of the benzene hydrogenation engineering and a manufacturing and mounting method thereof improve the tank welding quality and prevent the welding deformation caused by thinner wall plates of the tank, and have unique statuses of becoming the instruction classics of tanks and manufacturing and mounting operations thereof in industries.

Description

technical field [0001] The invention relates to a tank for storing chemical raw materials, finished products and intermediate products, in particular to a tank for benzene hydrogenation engineering and its manufacturing and installation method. Background technique [0002] The process of benzene hydrogenation unit is quite special, its system is complicated, there are many equipments, the pressure and temperature of the system itself are high, and the pump equipment is not allowed to run idle. The benzene hydrogenation project is mainly divided into the central control room and substation, refining device, water supply and drainage project, air compressor station, storage and transportation facilities (tank farm and pump room), power supply for the whole plant and lighting for the whole plant, torches and ancillary projects There are special requirements for lightning protection, fire protection and explosion protection in the electrical installation of these facilities, am...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D88/06B65D90/02B65D90/10B65D90/48B65D90/00
CPCB65D88/06B65D90/08B65D90/10B65D90/48
Inventor 刘昌球冯娜匡礼毅兰静陈和平
Owner MCC5 GROUP CORP SHANGHAI
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