Training topics for joint-alkali plant compressors

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Names of comprehensive test questions for CO2 compression operators during outing training at Henan Junhua Alkali Plant: workshop: time: Year, month, day 1. Fill in the blanks: (0.5 points for each empty period, totaling 19 points) 1. CO2 gas must be compressed by a compressor before it can be sent to carbonization. 2. Gas has. 3. The working principle of the reciprocating compressor is that the volume changes due to the piston in the cylinder and the gas is transferred. 4. The production capacity of the compressor refers to. 5. The two types of compressors we currently use are model and model, and their production capacities are respectively__ M3/min and__ _M3/min。 6. The sources of gas compressed in our compression process include__ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ . 7. Our compressor outlet pipeline is divided into__ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ Three types. 8. Compressors are divided into__ _ _ _ _ _ _ _ and__ _ _ _ _ _ _ _ Two kinds. 9. Positive displacement compressors have__ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ Other types, speed compressors include__ _ _ _ _ _ _ _ wait. 10. Positive displacement compressors rely on__ _ _ _ _ _ _ _ Works in response to periodic changes. 11. Speed ​​compressor relies on__ _ _ _ _ _ _ _ Working with high-speed movement. 12. The three processes of gas compression are:__ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ . 13. The reciprocating compressor must be started before starting__ _ _ _ _ _ _ _ , add good__ _ _ _ _ _ _ _ , open the__ _ _ _ _ _ _ _ , open the cylinder jacket__ _ _ _ _ _ _ _ , then start the motor м to make the compressor operate normally and then open__ _ _ _ _ _ _ _ . 14. Reciprocating compressors are mainly composed of__ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ _ ,__ _ _ _ _ _ _ ,__ _ _ _ _ _ _ _ Composed of other parts. 2. Multiple choice questions: (1 point for each question, totaling 9 points) 1. The compression process in actual production belongs to ( ) A isothermal compression B adiabatic compression C polytropic compression 2. The smallest compression work consumed in the compression process is ( ) A isothermal compression B adiabatic compression C polyvariable compression 3. The compression ratio refers to: ( ) A. Inlet air temperature to outlet temperature B. Inlet pressure to outlet pressure C. Outlet temperature to inlet temperature D. Outlet pressure to inlet pressure 4. The outlet air temperature of the lower section gas cooling tower should be controlled at ( ) ℃ A30-40 B40 - 45 C70 - 805. The lower section gas outlet pressure should be controlled at ( ) A0.25 - 0.30 B0.30-0.32 C0.32-0.356. The water pressure entering the CO2 gas cooling tower is required to be not less than ( ) MPa A 0.15 B0.25 C0.35 D0.457. The compressor exhaust temperature cannot exceed ( ) ℃ A45 B70 C150 D1808. The reasons for insufficient displacement of the reciprocating compressor may be ( ) A. Unstable exhaust pressure B. Piston ring leakage C. Loose safety valve D. Stuffing box leakage 9. The reasons for compressor bearing heating may be ( ) A. Insufficient oil supply B. Small bearing clearance C. Poor bearing concentricity III. True or False Question: (1 point for each question, totaling 9 points) 1. When the inlet air temperature is high, the gas density decreases and the compressor production capacity decreases. ( ) 2. In order to save compression work, cooling water is usually used to cool the cylinder and compressed gas. ( ) 3. The greater the compression ratio, the greater the production capacity of the compressor. ( ) 4. When water and lubricating oil are cut off, emergency stop is required. ( ) 5. High exhaust temperature may be caused by partial blockage of the exhaust valve. ( ) 6. Compressor air volume inlet control is detrimental to compressor efficiency. ( ) 7. The compressor inlet air temperature is required to be lower than 40°C. ( ) 8. In order to ensure the water seal of the outlet cooling tower, the higher the liquid level, the better. ( ) 9. Preventing the loss of CO2 during the compression process is the responsibility of the compression operation. ( ) 10. After electrical equipment catches fire, only use a fire extinguisher to extinguish the fire. ( ) 4. Questions and Answers: 1. What is the working principle of a reciprocating compressor? (3 points) 2. At what temperature should the outlet air temperature of the reciprocating compressor be controlled? Why? What factors are related to the outlet air temperature? (6 points) 3. How can the working capacity of the reciprocating compressor be improved? (5 points) 4. Why does the compressor need to be lubricated? What are its requirements for lubrication? (4 points) 5. What method is used to lubricate the reciprocating compressor? Please describe the lubricating oil process? (5 points) 6. Describe the structure and performance of the compressor we use? (5 points) 7. At what level should the inlet pressure and outlet pressure of the compressor be controlled? Why is the inlet pressure too low and the outlet pressure too high bad? (10 points) 9. What are the starting steps for a reciprocating compressor? (10 points) 5. Comprehensive questions: 1. Draw the process flow chart of the compression process and describe the process. (15 points)