Guangzhou petrochemical plant "brain" moved to achieve centralized control

Recently, in the cabinet room of the control room of the Guangzhou Petrochemical Refinery Center, the inspection personnel of the instrument control center carefully inspected the new control system after the migration of each device according to the newly compiled visual inspection guidelines, and recorded the operation status.
On file
.
The control system is the "brain" of the production and operation of the device, which is of great importance

In April, Guangzhou Petrochemical's new oil refining center control room was put into use, and all the control systems that were originally dispersed in the production facilities of the plant were moved to one place to achieve centralized control
.
To this end, the instrument control center made careful overall planning, full preparation, and rigorously formulating a plan to make the control system a successful migration

"Green Channel" to ensure the orderly progress of project construction

Since the beginning of this year, in order to realize the integrated functions of control and management in the refining area, Guangzhou Petrochemical has decided to build a new central control room and move all the functions of the operation station and auxiliary operation platform of the relevant equipment to one place
.
In February, the construction of the operation station relocation project was fully launched

"Can I use the original optical fiber?" According to the requirements of communication network equipment, the project design uses single-mode optical fiber to transmit signals, which is expensive.
Based on this, the technical team has a bold idea-to reuse the original optical fiber to save costs
.

According to regulations, single-mode optical fiber is used for optical fiber transmission distances greater than 2 kilometers, while multi-mode optical fiber was originally used for communication in the control room of the reforming device
.
Knowing the situation, Cai Changmao, a regional deputy chief, acted quickly and accurately measured the distance from the device control room to the central control room to be 1.

Subsequently, the technical team started a "brainstorming" to measure and inspect the original multimode fiber, and discussed the feasibility of using the old for many times
.
After a series of scientific verifications, they determined that the original multimode fiber meets the strength requirements, does not affect the transmission speed, and can be directly recycled, which greatly saves construction time and costs

In order to improve the drawings and documents and speed up the project progress, He Shanhua, the chief engineer of the Instrument Management Office, took the initiative to design and arrange carefully
.
As large as the layout of the network cabinet, the location of the console of each device, as small as the number of cables of each type, and the installation size of different equipment.

With the concerted efforts of relevant departments, the construction of the operation station relocation project was successfully completed in less than two months
.

Jointly tackling key problems to make "facade responsibility" land smoothly

Nowadays, when walking into the control room of Guangzhou Petrochemical Refinery Center, the first thing you see is the stunning large-screen visualization system splicing wall
.
On the super-large screen, images of enterprise installations, production capacity, and business goals are dynamically displayed

"The splicing wall is about 29.
16 meters long and 3.
64 meters high.
It is composed of 54 sets of 80-inch DLP screens.
The overall structure is 3 rows and 18 columns
.
During the process of the project, according to the actual needs of the production, they temporarily decided to put the 26 sets of DCS control system control screens to be displayed on the large screen.

　　Time is tight and tasks are heavy, and the technical team takes quick action
.
Project leader Huang Xianwen led technical personnel from various regions to urgently report the DCS system data and software version of each device, count the signal interface types of the computer, and determine the technical plan within 3 days
.

　　In order to realize the screen projection, each system is equipped with an operating station, and the host is uploaded to the large screen through the connection of the encoder.
Therefore, the location of the encoder directly affects the screen projection effect
.
"How to install to get the desired effect?" The members of the technical team used their brains
.
The regional leaders Yang Xinyu, Yuan Guanwei and Huang Xianwen combined their work experience, after discussion, conducted field tests on the existing console, rationally used the position of the console, and boldly used the horizontal plate method to install the encoder
.
Through the function test, the installation method works well
.

　　During the factory projection and debugging, the team technicians found that the resolution of the display screen of the distillation unit was insufficient and the image was unclear
.
Based on the circuit block diagram, they checked the large-screen multi-screen image processor, large-screen management software, etc.
, and confirmed that there was a problem with the transmission data line, and then replaced it immediately to achieve stable data transmission and ensure the best screen projection effect
.

　　Set up "simulation operation station" to achieve perfect migration

　　"During the migration process, it is necessary to consider that when the switch is reinstalled with the photoelectric converter, the DCS system will be disconnected from the operating station due to misoperation, which will cause the risk of failure of the operating station
.
" At the central control room project coordination meeting, instrument control Zhao Lifeng, deputy secretary of the party committee of the center, put forward new suggestions
.

　　In order to ensure that the migration process is foolproof, the technical team has carried out meticulous coordination and deduction many times, and rigorously formulated detailed risk control measures and emergency plans for each migration system
.
They also organized the establishment of "simulation operation stations", and carried out simulation tests for each set of system operation stations, switches and other communication equipment in the central control room in advance to find out possible problems during the migration process and formulate countermeasures for the migration of the operation stations.
Sufficient preparations
.

　　On April 8, the system migration began
.
The technicians in each area are in their respective positions.
After receiving the relocation instructions, they will close and relocate the operation stations of each device in the order of relocation
.
The operation console of the distillation unit DCS system became the first station for a smooth migration.
After the installation is in place, the technicians immediately check the keyboard conditions, perform dual-screen switching operations, check historical trends, alarm records, alarm sounds, and whether the system diagnosis information is abnormal and so on
.

　　In a short period of two days, the I&C center smoothly moved 33 sets of equipment and 51 sets of DCS systems and SIS system operating stations in the refining area to the central control room
.
After the relocation, the system operates stably, realizing the management mode of small concentration and large concentration of equipment in the refining area, enabling large and small control rooms to simultaneously monitor real-time data, which will help Guangzhou Petrochemical's intelligent construction to a new level
.

　　( He Bing Zhong Xiaoyou Huang Xianwen )