This technology is suitable for the installation and commissioning of compressor control systems in industrial and civil engineering. According to the installation drawings of the compressor and the requirements of the current installation specifications, the quality control project is divided into the following main units: electrical meter interlock test; these units are used as key control units, and strict quality control is carried out on their construction links, and according to each The installation characteristics of the unit, respectively list the quality control standards and specific implementation measures of different unit projects. 2.2 Unit project installation quality control The table equipment of the compressor is generally packaged and transported together with the compressor; when unpacking acceptance, the number of specifications and the main technical parameters of all the tables and tables installed on the list of random tables of the compressor should be carefully checked. Design drawing requirements; carefully check the case shell for cracks, breakage, oil seepage; spare parts and spare parts are complete. Check the PLC control part of the control cabinet carefully to see if there are any parts falling off, missing, damaged, and whether the control part and the field table transmit signals are consistent, avoiding the mismatch between each other and not receiving the signal normally, and promptly submit it. 2.2.1.2.1 Control cabinet and on-site inspection table Before installation, install according to the supplied construction drawings and related specifications, pay attention to convenient maintenance and operation. 2.2.1.2.2 All pressure gauges, temperature changes, pressure transmitters and other random tables shall be calibrated and inspected before installation. The test components and tables that are randomly assembled shall be removed and the motor shall be removed. The temperature measuring components of the inner stator, rotor and bearing temperature can be tested on the unit at room temperature resistance and voltage. Other single meters must be in accordance with the relevant one-time calibration specifications and calibration. 2.2.1.2.3 All test tables are required during the adjustment process. The heart must be thin and the action must be slow. It is strictly forbidden to use brute force to prevent damage to the watch. 2.2.1.2.4 The installation and laying of the watch box and measuring pipelines and electrical pipelines shall be carried out according to the position and path required by the design and random data, so as to facilitate the operation of the watch, without affecting the operation and maintenance of the unit, and not blocking the operation and Exit. 2.2.1.2.5 All the single-unit calibration and single-loop test of the primary meter shall be tested. 2.2.1.2.6 All compressors shall be tested, controlled, interlocked and alarmed. The test shall be in accordance with the random data of the compressor and the design requirements of the design institute, and shall be tested according to the data provided by the above two parties. Installation of instrument and meter equipment 3.1 Installation of unit body instrument Installation of unit body pressure, temperature, liquid level, etc. The above table carefully check the primary parts used in each table in the drawing before installation, because the compressor has a large part of the pipe High-pressure, so the primary parts used are different. After the installation position is confirmed, the site will be marked and submitted to the pipeline construction personnel one by one to avoid errors and bring inconvenience to subsequent construction. The installation of the temperature measuring element for measuring the shaft temperature should pay attention to the following points: It should be installed in place before the unit construction personnel finally close the bearing box. The cable or compensation wire of the temperature measuring component is fixed in the bearing housing with a steel card to prevent damage. The cable of the temperature measuring component and the output shaft of the compensation wire shall be sealed as required to prevent leakage of the oil inside the casing. 3.2 The installation of the instrument panel and the rack mounted instrument panel and the tray loading table shall be installed according to the design documents, the unit installation manual and the specifications. The dial box and the table shall have reliable grounding, and the grounding resistance shall meet the requirements. 3.3 Test and control of the unit control and control The test system of the test system is tested according to the parameters, functions and random data of the compressor. The interlock switch in the electric control cabinet is tested to the test position before the test to avoid the test process. A misoperation will start the host and cause unnecessary damage. 3.3.2 Table control cabinet Before power transmission, be sure to check whether the UPS is working normally, then check if the power supply at the incoming end of the control cabinet is 220V, check whether the PLC power supply line has passed the small transformer, otherwise the PLC will be burned out and confirmed. After that, first send the UPS switch, then send the power supply in the watch cabinet to open, and then see if the PLC indication is normal. 3.3.3 On-site pressure gauge and pressure transmitter, open all root sampling valves before the test to see if the on-site indication and PLC indication are consistent. If there is any inconsistency, firstly exhaust the on-site meter to be measured in the pipeline. After the gas is discharged, install the on-site table and compare it with the PLC instructions to achieve consistency. 3.4 Lubricating oil heating control system test 3.4.2 When the meter detects that the oil temperature is lower than 17 degrees, it alarms and indicates that the oil temperature is low. The PLC also gives a signal to the electric control cabinet. At this time, the motor protector in the electric control cabinet acts, and the heater starts. When the oil temperature is higher than 35 degrees, the alarm indicator of the watch cabinet is loud and the oil temperature is high. At the same time, the PLC gives a signal to the electric control cabinet, and the motor heater in the electric control cabinet should stop working. (Attachment, 5) 3.5 Lubrication main pump/standby pump mutual test: Condition: The oil level of the lubricating oil tank is normal to start the oil pump, turn the transfer switch to the 1 or 2 position, designate a oil pump as the main oil pump, and start. 3.5.1 When the total oil pipe pressure is low and 0.1Mpa, the alarm indicator in the watch cabinet will light up and alarm, and at the same time give a signal to the electric. At this time, the motor protector in the electric control cabinet will operate, and the two oil pumps will start at the same time. When the oil pressure is greater than 0.15Mpa, the auxiliary oil pump stops working and the main oil pump continues to run. 3.5.2 When the pressure of the lubricating oil main pipe is low and 0.15Mpa, the alarm indicator in the watch cabinet will sound loudly, indicating that the oil pressure is low and the electric signal is given, and the standby pump starts immediately. (Attachment, 9) Make the automatic cranking switch in the "starting" position, and start the motoring of the turning motor by the electric control cabinet. At this time, the PLC indicates (attached) the motor of the turning motor. At this time, the main control panel of the electric control cabinet is allowed to start. If the host is off, it cannot be started. Otherwise, check the reason. 3.7 Unit start control system test: The following conditions are met before the unit can be started: (Attachment 1) The pressure of the lubricating oil main pipe is normal. When the above conditions are met, the PLC instruction is as shown in (Attachment 1). At this time, the allowable start light in the electrical control cabinet should be lit, indicating that the start condition has been reached, press the allow start button, the host is running, the watch is transferred to the monitoring state, and the compressor is ensured. The normal operation. 3.8 Unit interlocking and jumping system test: The following parameters are caused to cause the unit to jump: (attached) The spindle temperature is higher than 120 degrees. If any of the above signals are generated, the PLC will give an alarm and give a signal at the same time. The main motor will jump in 2 seconds, and the cause of the alarm and parking will be listed in the PLC alarm record. (attached) Construction technical measures and quality assurance measures 4.1 Personnel participating in the installation of the unit table and system test should closely cooperate with the relevant personnel of the process installation personnel (fitters) and ESC personnel to reduce duplication of work. 4.2 When the unit system test is carried out, it shall be jointly tested with Party A, the supervisor and the process operator. After each test, it shall be signed and approved by Party A and the supervisor. 4.3 When the alarm interlock test is carried out, in addition to the unit test, the buttons, switches, signal lights and alarms on the dial and cabinet shall be tested according to the procedure. All project tests must be completed before the unit is officially operational. 5.1 Unit instruments should be properly kept and checked in the outbound inventory. After a single calibration, the original packaging should be restored. The instruments that have been removed from the unit for calibration and inspection should have protective measures. 5.2 Pressure gauges and bimetal thermometers shall be handed over directly to Party A during installation or intermediate handover during the test phase to prevent damage or loss in advance installation. 5.3 The installation and test personnel of the instrument shall strictly abide by the safety rules and regulations. The on-site operators shall wear safety helmets, pay attention to the surrounding construction environment and ensure personal safety. 5.4 During the commissioning of the unit, there should be instrument installation and test personnel on duty, and problems can be dealt with in time to prevent serious consequences. 5.5 Fire-fighting equipment should be equipped to prevent fires. 5.6 The operation of electric welding on the pipeline of the unit and the unit must be approved by the equipment professionally and completed before the fuel tank enters the oil. 5.7 During the commissioning phase, all test personnel shall abide by the operating procedures of the compressor and shall not operate at will. The following is a description of the PLC operation interface and description of the 6MD32(3)D5-215-146 type CO2 compressor, so as to more intuitively understand the interlocking and monitoring picture and operation of the CO2 compressor. This operation and monitoring system can display the operating parameters in real time and easily modify the set values ​​such as alarms. The operation has a user level limit, and the corresponding operation can only be performed if the corresponding user level is met. In all operation screens, click the shortcut button on the left to switch between screens conveniently. The initial interface is displayed as shown below (Figure 1). After the user name and corresponding level password are operated (the user name and password are shown in Figure H.5), the I entered the username and password. The monitoring screen (Fig. 2) allows you to easily monitor all real-time operating parameters of the system. (Figure 3) This screen displays the real-time alarm and historical alarm information of the system, prompting the user to respond to the alarm. And on this screen you can "mute" operating. Monitoring screen (Fig. 4) The operation stop state of peripheral auxiliary machines such as machine, main oil pump, auxiliary oil pump, fan, and oiler. On this screen, the start and stop temperature of the tank heater can be set. Click the “Set Value†button to pop up (Figure 5), click the value you want to modify, pop up the keyboard, and confirm the value after entering the correct value. After the modification is completed, press the "Close" button to close the pop-up screen. The “Enter†button appears on the interface and click to enter the operation monitoring system. Click the “Exit Login†button, the system will exit, and the next time you enter, you need to re-enter this screen to modify all transmitter ranges to facilitate on-site debugging. Take the tubing pressure as an example. Click the corresponding “Setpoint†button after the displayed value, and pop up (Figure 7). Click the value you want to modify, pop up the keyboard, and confirm the value after entering the correct value. After the modification is completed, press the "Close" button to close the pop-up screen. The rest of the modifications are the same. 6.7 Alarm interlock value setting screen (Fig. 8) On this screen, the setting values ​​such as alarm interlock can be modified to facilitate on-site debugging. Take the tubing pressure as an example. Click the corresponding “Setpoint†button after the displayed value, and pop up (Figure 9). Click the value you want to modify, pop up the keyboard, and confirm the value after entering the correct value. After the modification is completed, press the "Close" button to close the pop-up screen. The rest of the modifications are the same. The historical curve of the six parameters of the chain is displayed, which is convenient for the customer to analyze and query the fault. In this screen, the two conditions of the power-on condition and the alarm interlock enable and cancel are set. When the status is "Cancel, the corresponding condition is masked. In addition, the screen displays whether the power-on condition is available. 6.10 System provides online modification of user bookmark14 password operationbook15 When it is the highest operation level, in the (Figure 1 continued) screen, click the “Change Password†button to enter the password modification screen, as shown in Figure (12). Enter the password you need to modify on this screen, click the “OK†button, the corresponding password is changed, and the next password will be entered according to the new password. After the modification is completed, press the "Close" button to close. The author unit should be the Chongqing Urban and Rural Construction Committee, in which Yang Dinghui is the Chongqing Extension Industry Construction Engineering Quality Inspection Co., Ltd. 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